CN101539682B - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN101539682B CN101539682B CN2008100350029A CN200810035002A CN101539682B CN 101539682 B CN101539682 B CN 101539682B CN 2008100350029 A CN2008100350029 A CN 2008100350029A CN 200810035002 A CN200810035002 A CN 200810035002A CN 101539682 B CN101539682 B CN 101539682B
- Authority
- CN
- China
- Prior art keywords
- blooming piece
- light guide
- guide plate
- elastic positioning
- sidewall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to a backlight module for a liquid crystal display device, a positioning frame used thereby and elastic positioning elements used by the positioning frame. The mounting of one or more of the elastic positioning elements on one sidewall or two sidewalls of the positioning frame of the backlight module for carrying out the aligning positioning of a light guide plate and the normal and facial line positioning of an optical film solves the problems of the aligning positioning of the light guide plate and the fixing of the optical film, particularly the problem of the aligning positioning of the light guide plate. On the premise of perfect positioning function, the elastic positioning element adopted by the backlight module realizes a simple structure, very convenient mounting and convenient rework and detachment of the backlight module.
Description
Technical field
The present invention is about the positioning framework and the setting element that is used to locate light guide plate and film of a kind of module backlight and use thereof; Particularly, the invention relates to a kind of module backlight of feed flow crystal device use and the positioning framework and the elastic positioning element that is applied on the positioning framework of use thereof.
Background technology
Show the field on the plane, traditional CRT (Cathode Ray Tube, cathode-ray tube (CRT)) display is because its high radiation, high power consumption, large volume, low resolution and big quality, progressively replaced by more and more advanced LCD (Liquid Crystal Display, liquid crystal display) display.LCD display just has been celebrated with frivolous fashion, environmental protection and energy saving, resolution height, long service life since coming out.But because LCD display is in the initial stage of production development, the finished product rate is low, and the market sale small scale is so its price is stood high above the masses always.Over the years, development along with market, LCD display has progressed into the growth stage, its industry size high-volume increases, large-screen liquid crystal display television (more than 23 inches) has become the main product that high-end colour TV updates in developed regions such as America and Europe, Japan, and with annual 400% speed increment.And TFT-LCD (Thin-Film Transistor LCD, TFT thin film transistor monitor) becomes the new growth engines in market especially.For the fluid,matching crystal device reaches apparent requirement on function, the employed design of backlight module of liquid crystal indicator also becomes more diversified.
Figure 1 shows that traditional module synoptic diagram backlight.Traditional module backlight comprises LGP 1, blooming piece (FILM) 2, has the positioning framework 3 and the light source module of bonding LGP base plate.LGP 1 adopts adhesive means to stick on the base plate of positioning framework usually, and blooming piece (FILM) is to utilize the align member that is provided with on the positioning framework to fix.
Fig. 2, Figure 3 shows that existing a kind of fixed form synoptic diagram of NB machine blooming piece (FILM), among the figure, a positioning boss 31 is set on the relative avris of positioning framework 3, simultaneously drive a pilot hole 21 at the relative avris of blooming piece (FILM) 2, see through pilot hole 21 on the blooming piece (FILM) 2 with positioning boss 31, to the location of blooming piece (FILM) 2 enforcement upper thread directions, with the displacement on restriction blooming piece (FILM) the 2 upper thread directions; The elasticity card 4 that takes the shape of the letter U with the xsect side that is stuck in positioning framework 3 comes location that blooming piece (FILM) 2 is implemented normal directions simultaneously, with the displacement on restriction blooming piece (FILM) 2 normals.Because elasticity card 4 is provided with two or more resilient barb 41, two or more resilient barb 41 be hooked in positioning framework 3 predefined hooks protruding on, so elasticity card 4 is disassembled very difficulty again in case after the engaging, be difficult to disassemble from positioning framework 3.
Fig. 4, Figure 5 shows that the existing another kind of fixed form synoptic diagram of NB machine blooming piece (FILM), a positioning boss 31 is set on the relative avris of positioning framework 3 among the figure equally, simultaneously drive a pilot hole 21 at the relative avris of blooming piece (FILM) 2, see through pilot hole 21 on the blooming piece (FILM) 2 with positioning boss 31, to the location of blooming piece (FILM) 2 enforcement upper thread directions, with the displacement on restriction blooming piece (FILM) the 2 upper thread directions; Avris upper side at positioning framework 3 is provided with two or more boss that project upwards 32 simultaneously, avris lateral surface at positioning framework 3 is provided with the hook platform, hold the hole 41a that boss 32 passes and on the side of the L-shaped elasticity card 4a of an xsect, have, another side at elasticity card 4a has resilient barb 42a, the side that elasticity card 4a from top to bottom is stuck in positioning framework 3 comes location that blooming piece (FILM) 2 is implemented normal directions, with the displacement on restriction blooming piece (FILM) 2 normals.Because elasticity card 4a is provided with resilient barb 42a, so after the elasticity card 4a engaging in a single day, be difficult to disassemble, disassemble very difficulty again from positioning framework 3.
Figure 6 shows that existing another fixed form synoptic diagram of NB machine blooming piece (FILM), blooming piece among the figure (FILM) 2 adopts the location of 5 pairs of blooming pieces of band (FILM), the 2 enforcement normal directions that are fixed on the positioning framework 3, with the displacement on restriction blooming piece (FILM) 2 normals, such mode exists the problem of disassembling difficulty again equally.
Align member on the existing in addition positioning framework 3 is not implemented the location to LGP1, therefore the operator is when pasting LGP1, need to carry out the centering location by range estimation, such method of operating accuracy of alignment is not high enough, occur the shadow skew of the invalid luminous zone of LGP1 easily, in the process of mobile LGP1, easily produce cull simultaneously.
Summary of the invention
The object of the present invention is to provide the positioning framework in the module backlight that a kind of feed flow crystal device uses and be applied to elastic positioning element on the positioning framework, have good heavy industry and disassemble performance.
Other purposes of the present invention are to provide the positioning framework in the module backlight that a kind of feed flow crystal device uses and are applied to elastic positioning element on the positioning framework, so that LGP is located between two parties.
Other purposes of the present invention are to provide the positioning framework in the module backlight that a kind of feed flow crystal device uses and are applied to elastic positioning element on the positioning framework, blooming piece (FILM) is implemented the location of upper thread direction.
Other purposes of the present invention are to provide the positioning framework in the module backlight that a kind of feed flow crystal device uses and are applied to elastic positioning element on the positioning framework, blooming piece (FILM) is implemented the location of normal direction.
Other purposes of the present invention are to provide the positioning framework in the module backlight that a kind of feed flow crystal device uses and are applied to elastic positioning element on the positioning framework, can reduce whole production cost and production time.
A kind of module backlight provided by the invention comprises:
One light guide plate;
One covers the blooming piece on the described light guide plate; And
One is used to accommodate the positioning framework of described light guide plate and described blooming piece, and described positioning framework comprises:
One base plate; And
Take shape on the described base plate, surround the sidewall of number more than the described light guide plate, it is characterized in that:
Sidewall at described majority is provided with at least one elastic positioning element, and described elastic positioning element withstands described light guide plate and is used for described light guide plate is implemented the centering location.
In one of the present invention embodiment, the first side wall in the sidewall of described majority is provided with a liquid crystal panel support face and a blooming piece support face, below described optics matrix support face, be formed with the cavity of accommodating described elastic positioning element, be provided with first through hole at described blooming piece support face, described cavity is communicated in the inside of described positioning framework by one first through hole, and described elastic positioning element has and passes described first through hole and withstand the outer teat of described light guide plate.
In one of the present invention embodiment, have a pilot hole at described blooming piece, described elastic positioning element also have one outside described the upwardly extending necking part of one of teat end, described necking part passes first through hole of described blooming piece support face and the described pilot hole of described blooming piece, to implement the location on the upper thread direction of described blooming piece.
In one of the present invention embodiment, described elastic positioning element also has one from the left-hand thread portion of described necking part to the direction extension of pushing down described blooming piece, with the displacement of restriction blooming piece normal direction.
In one of the present invention embodiment, described elastic positioning element also has a spring, and described outer teat is an outwards outstanding arc structure, the outside surface side of described outer teat is passed described first through hole and is withstood described light guide plate, and described spring is installed between the chamber wall of the inner surface side of described outer teat and described cavity.
In one of the present invention embodiment, described outer teat is the structure of an outwards outstanding non-sealing and approximate ring-type, the two ends of the structure of this non-sealing and approximate ring-type do not connect, and one first side of the outside surface of described outer teat is passed described first through hole and is withstood described light guide plate, the outside surface of described outer teat withstand the 21 chamber wall of described cavity with respect to one second side of described first side.
In one of the present invention embodiment, the sidewall of described majority is four sidewalls, and described four side walls enclose become a square, and described the first side wall is described tetragonal left side wall or right side wall.
In one of the present invention embodiment, an elastic positioning element is installed on the centre of a sidewall in the sidewall of described majority; The compartment of terrain is equipped with two elastic positioning elements on another sidewall in the sidewall of described majority.
In one of the present invention embodiment, the distance between described two elastic positioning elements of described another sidewall is 1/4th of whole described another sidewall length.
According to technique scheme, the present invention is with respect to prior art, the positioning framework of module backlight is provided with at least one and is used for described light guide plate is implemented the centering location or/and described blooming piece is implemented normal or/and the elastic positioning element of upper thread location, can solve the fixing problem of light guide plate centering location or blooming piece and once solve light guide plate centering location and optics matrix normal and upper thread orientation problem, especially solve light guide plate centering orientation problem.The operator is when concrete operations, do not need to adopt the method for range estimation to solve light guide plate centering location, elastic positioning element on the positioning framework can be automatically with light guide plate centering, therefore reduce whole production cost and shortened the production time, also prevented the shadow skew of the invalid luminous zone of LGP simultaneously.The elastic positioning element that adopts can be complete the upper thread of enforcement blooming piece and the location on the normal, thereby can limit the displacement of blooming piece on upper thread and normal by an element, reduced the employing of other part, also reduced cost.The elastic positioning element that the present invention adopts, simple in structure under prerequisite with perfect positioning function, install very conveniently, be convenient to heavy industry and disassemble module backlight.
Description of drawings
Fig. 1 is the synoptic diagram of existing module backlight.
Fig. 2 is existing a kind of fixed form synoptic diagram of NB machine blooming piece (FILM).
Fig. 3 is the elasticity card schematic perspective view that fixed form shown in Figure 2 adopted.
Fig. 4 is the existing another kind of fixed form synoptic diagram of NB machine blooming piece (FILM).
Fig. 5 is the elasticity card schematic perspective view that fixed form shown in Figure 4 adopts.
Fig. 6 is existing another fixed form synoptic diagram of NB machine blooming piece (FILM).
Fig. 7 is the synoptic diagram of an embodiment of the present invention's module backlight.
Fig. 8 is the synoptic diagram of the present invention another embodiment of module backlight.
Fig. 9 is the synoptic diagram of the present invention another embodiment of module backlight.
Figure 10 is the synoptic diagram of an embodiment of positioning framework of the present invention.
Figure 11 is the synoptic diagram of another embodiment of positioning framework of the present invention.
Figure 12 is the reference diagram of a preferred embodiment of elastic positioning element of the present invention.
Figure 13 is the synoptic diagram of elastic positioning element installation process shown in Figure 12.
Figure 14 is the synoptic diagram of an Application Example of the present invention.
Figure 15 a is for adopting elastic positioning element of the present invention to before the light guide plate centering location, the synoptic diagram of light guide plate shadow skew.
Figure 15 b the synoptic diagram of shadow skew do not occur for after adopting elastic positioning element of the present invention to light guide plate centering location.
Embodiment
The positioning framework of module backlight provided by the invention and use thereof and the elastic positioning element that is applied on the positioning framework, with preferred embodiment, the NB machine that this module backlight is the feed flow crystal device uses.Yet, but also other machine of feed flow crystal device, computor-keyboard, mobile phone button, billboard and other need the device of planar light source to use to this module backlight.Furthermore, the present invention more comprises the liquid crystal indicator that uses this module backlight.In preferred embodiment, liquid crystal indicator of the present invention comprises color liquid crystal display arrangement.Yet in different embodiment, liquid crystal indicator of the present invention also can comprise monochromatic liquid crystal indicator.Said herein liquid crystal indicator is then made a general reference the display device of using liquid crystal panel, comprises the LCDs etc. of LCD monitor, mobile phone and digital camera of LCD TV, PC and the kneetop computer of family expenses.
As shown in Figure 7, module backlight of the present invention comprises light guide plate (LGP) 100, covers blooming piece (FILM) 200, positioning framework 300 on the light guide plate 100, said herein light guide plate (LGP) 100 can be to comprise total reflection principle with the optical element that incident ray evenly conducts, and also can be to comprise to make the equally distributed diffuser plate of light or other optical element.In addition, also can cooperate the different optical design on the light guide plate (LGP) 100 and add various optical microstructures.Blooming piece (FILM) 200 can be bright enhancement film or diffusion barrier etc.
In embodiment as shown in Figure 7, positioning framework 300 is to cooperate the shape of light guide plate (LGP) 100 and be one to have the rectangular frame structure of a base plate, yet in different embodiment, positioning framework 300 also can be other different shape.In addition, positioning framework 300 can be made by plastics, as PET, PC, PMMA or other organic material.Positioning framework 300 also can be made by metal or other material.
As shown in Figure 7, the positioning framework 300 of module backlight comprises base plate 310 and takes shape on the base plate 310 and surround four sidewalls 320 of a frame, in preferred embodiment, base plate 310 and four sidewalls 320 adopt integrated mode to make, and the reasonable mode of production comprises mould model modes such as injection moulding.Four sidewalls 320 are preferably perpendicular to light guide plate (LGP) 100 and base plate 310.In the embodiment shown in fig. 7, on a sidewall 320 elastic positioning element 400 that light guide plate 100 is implemented the centering location and blooming piece 200 implemented normal and upper thread location is installed therein.In preferred embodiment, this sidewall 320 can guarantee centering on light guide plate (LGP) the 100 horizontal view angle directions for being positioned at the left side or the right side of whole LCD by this elastic positioning element 400.In another preferred embodiment, the position of elastic positioning element 400 just in time is positioned at the centre of this sidewall 320.
In the embodiment shown in fig. 8, on the two opposite side walls 320,330 two elastic positioning elements 400 that light guide plate 100 is implemented the centering location and blooming piece 200 implemented normal and upper thread location are installed therein.In preferred embodiment, this two opposite side walls 320,330 can guarantee centering on light guide plate (LGP) the 100 horizontal view angle directions for being positioned at the left and right side of whole LCD horizontal view angle direction by these two elastic positioning elements 400.In another preferred embodiment, the position of elastic positioning element 400 just in time is positioned at the centre of each sidewall 320,330.Certainly, these two elastic positioning elements 400 also can be positioned at the upper and lower side of whole LCD horizontal view angle direction.
In the embodiment shown in fig. 9, three elastic positioning elements 400 that light guide plate 100 is implemented the centering location and blooming piece 200 implemented normal and upper thread location are installed on the two opposite side walls 320,330 therein, one of them sidewall 320 is equipped with two elastic positioning elements 400, and another sidewall 330 is equipped with an elastic positioning element 400.In preferred embodiment, this two opposite side walls 320,330 can guarantee centering on light guide plate (LGP) the 100 horizontal view angle directions for being positioned at the left and right side of whole LCD horizontal view angle direction by these three elastic positioning elements 400.In another preferred embodiment, the position of the elastic positioning element 400 on the sidewall 330 just in time is positioned at the centre of sidewall 330, can certainly not be positioned at the centre position in other embodiments; The certain distance H in interval in one embodiment, obtains preferable fixed effect for making light guide plate 100 between two elastic positioning elements 400 on the sidewall 320, and this distance H can be at least 1/4th of whole sidewall 320 length.In another preferred embodiment, two elastic positioning elements 400 on the sidewall 320 are with the intermediate point symmetric arrangement of sidewall 320.
In the above-described embodiments, 400 needs of elastic positioning element are implemented the centering location to light guide plate 100, and blooming piece 200 is implemented normal and upper thread location employing existing mode.Perhaps elastic positioning element 400 is only implemented the centering location and blooming piece 200 is implemented the normal location light guide plate 100, and the mode of blooming piece 200 enforcement upper thread location is still adopted the mode of commonly using.
The elastic positioning element that is adopted in above-mentioned module backlight and the positioning framework 300 can have a variety of versions, as adopts a rubber projection or a rubber sphere that is directly installed in the cavity 323 to come light guide plate 100 is implemented the centering location.Ball and spring perhaps are installed in cavity 323 to be come light guide plate 100 is implemented centering location or the like.
Only enumerate two kinds of texture ratios elastic positioning element 400 structures preferably below, illustrate this elastic positioning element 400 is how to realize light guide plate 100 is implemented the centering location and blooming piece 200 is implemented normal and upper thread location.
In the embodiment of Figure 10, elastic positioning element 400 comprises a spring 410 and a setting element 420, setting element 420 has one and is used for light guide plate (LGP) 100 is implemented the outer teat 421 of centering location, one is used for blooming piece 200 is implemented the necking part 422 of upper thread direction location, one is used for blooming piece 200 is implemented the left-hand thread portion 423 of normal direction location, outer teat 421 is an outwards outstanding arc structure, the outside surface of outer teat 421 withstands light guide plate (LGP) 100, the inside surface of teat 421 has the projection of a mounting spring 410 outside, simultaneously on the wall of the chamber of cavity 323, also be provided with a projection, spring 410 is installed on these two projections, withstanding setting element 420, and then force light guide plate (LGP) 100 automatic centerings by the outer teat 421 of setting element 420; Necking part 422 is a straight section, just in time can pass through hole 324 on the blooming piece support face 322 and the pilot hole 210 on the blooming piece 200, to the location on the upper thread direction of blooming piece 200, blooming piece 200 just can not move along the upper thread direction of light guide plate 100 like this with enforcement.Left-hand thread portion 423 is extended along the direction that can push down blooming piece 200 by necking part 422, pushing down blooming piece 200, thereby has limited the displacement of blooming piece 200 normal directions.In preferred embodiment, for do not destroy blooming piece can for along perpendicular to necking part 422 and outward the direction of the outside surface of teat 421 extend.Top setting element 420 can be by sheet metal moulding or injection mo(u)lding and other any available means moulding, and the outer teat 421 on the setting element 420 can also be outwards outstanding straight section, or outwards outstanding taper and outside outstanding spherical crown shape etc.
In the embodiment of Figure 11 and embodiment shown in Figure 12, elastic positioning element 400 is preferred embodiment of the present invention, such elastic positioning element 400 adopts the metal tape with certain width, by the similar short bottle shape of sheet metal moulding, the two ends of metal tape are unconnected, therefore can guarantee that elastic positioning element 400 self has certain elasticity.Certainly the elastic positioning element 400 of shape is a working of plastics like this, as engineering plastics injection mouldings such as employing ABS.
As Figure 12 and shown in Figure 14, this elastic positioning element 400 has one and is used for light guide plate (LGP) 100 is implemented the outer teat 421 of centering location, one is used for blooming piece 200 is implemented the necking part 422 of upper thread direction location, one is used for blooming piece 200 is implemented the left-hand thread portion 423 of normal direction location, outer teat 421 is the structure of an outwards outstanding non-sealing and approximate ring-type, first side of the outside surface of outer teat 421 is withstood the edge of light guide plate (LGP) 100, second side with respect to this first side of the outside surface of outer teat 421 is withstood the chamber wall of cavity 323, and the two ends of the structure of this non-sealing and approximate ring-type do not connect.In a preferred embodiment, this ring texture all is made of segmental arc, so that make, can improve serviceable life simultaneously and obtain preferable elasticity.And in another embodiment, the structure of this non-sealing and approximate ring-type can be made of at least one straight section and segmental arc, and straight section contacts with light guide plate (LGP) 100, the contact of formation face.This ring texture also can be made of at least one awl section and segmental arc in addition, and the awl section contacts with light guide plate (LGP) 100.This non-sealing and approximate ring-type can also be outwards outstanding straight section, or outwards outstanding taper and outwards outstanding spherical crown shape etc.
Necking part 422 is by extended two straight sections in the two ends of the outer teat 421 of elastic positioning element 400, just in time can pass through hole 324 on the blooming piece support face 322 and the pilot hole 210 on the blooming piece 200, to the location on the upper thread direction of blooming piece 200, blooming piece 200 just can not move along the in-plane of light guide plate 100 like this with enforcement.Two flat segments that left-hand thread portion 423 extends along two that can push down blooming piece 200 different directions respectively for two straight sections by necking part 422, two flat segments of left-hand thread portion 423 just in time can be pushed down blooming piece 200, thereby have limited the displacement of blooming piece 200 normal directions.In preferred embodiment, obtain the preferred positioning effect for not destroying optics diaphragm And, two flat segments of left-hand thread portion 423 can for along perpendicular to necking part 422 and respectively outward two of first side of the outside surface of teat 421 and second side different directions extend, wherein these two different directions form 180 degree.
As shown in figure 13, the assembly method of elastic positioning element 400 shown in Figure 12 is: draw close as best one can with the elasticity that hand or instrument make two flat segments of left-hand thread portion 423 overcome outer teat 421, make two straight sections of two flat segments of left-hand thread portion 423 and necking part 422 pass two flat segments of unclamping left-hand thread portion 423 behind through hole 324 on the blooming piece support face 322 and the pilot hole 210 on the blooming piece 200 then, two flat segments of left-hand thread portion 423 and two straight sections of necking part 422 are outside under the elastic reaction of teat 421, return to original state, just can carry out normal and upper thread direction location to blooming piece 200, simultaneously outer teat 421 second sides are subjected to the extruding of chamber wall of the cavity 323 of sidewall 320, and first side is just withstood light guide plate 100 in order to carry out centering.If on sidewall 320,330 such elastic positioning element 400 is installed all, light guide plate 100 is centering under the extruded situation in both sides.
As shown in figure 14, elastic positioning element 400 is installed on the sidewall 320 of positioning framework 300, wherein the outer teat 421 of elastic positioning element 400 is arranged in the cavity 323 below the blooming piece support face 322, its second side props up the chamber wall of the cavity 323 of sidewall 320, first side props up light guide plate (LGP) 100, makes light guide plate (LGP) 100 centerings location.Light guide plate (LGP) 100 also directly or indirectly is attached on the base plate 310 of positioning framework 300 by mucigel 500, behind the employing elastic positioning element 400 centerings location, and the cull phenomenon that light guide plate (LGP) 100 can not occur because not adopting existing method centering.Mucigel 500 comprises the material of polyester plastics usually, forms a reflecting surface at the outside surface of mucigel 500, and reflecting surface can contain the metal material or the non-metallic material of tool light reflective, as organic coating of white or black etc.Two straight sections of necking part 422 pass through hole 324 on the blooming piece support face 322 and the pilot hole 210 on the blooming piece 200, blooming piece 200 is carried out upper thread direction location, two flat segments of left-hand thread portion 423 are pushed down blooming piece 200 simultaneously, and blooming piece 200 is carried out the normal direction location.
In addition, by Figure 14, as can be seen, assembling of the present invention is simple, can assemble elastic positioning element 400 earlier according to method shown in Figure 13 earlier, and then assembling light guide plate (LGP) 100 and blooming piece 200.
Shown in Figure 15 a, before not adopting 400 pairs of light guide plate of elastic positioning element of the present invention (LGP), 100 centerings location, shadow 101 skews have appearred in light guide plate (LGP) 100 invalid luminous zones, shown in Figure 15 b, behind 400 pairs of light guide plate of elastic positioning element of the present invention (LGP), the 100 centerings location, shadow 101 skews do not appear in light guide plate (LGP) 100 invalid luminous zones.By contrast, illustrate that the present invention has significant effect.
The present invention is described by above-mentioned related embodiment, yet the foregoing description it must be noted that only for implementing example of the present invention the embodiment and the end that have disclosed limit the scope of the invention.On the contrary, comprising the modification of the spirit of claims and scope and equalization is provided with and all is contained in the scope of the present invention.
Claims (8)
1. module backlight comprises:
One light guide plate;
One covers the blooming piece on the described light guide plate; And
One is used to accommodate the positioning framework of described light guide plate and described blooming piece, and described positioning framework comprises:
One base plate; And
Take shape on the described base plate, surround the sidewall of number more than the described light guide plate,
The sidewall of described majority is provided with at least one elastic positioning element, and described elastic positioning element withstands described light guide plate, is used for described light guide plate is implemented the centering location; It is characterized in that:
The first side wall in the sidewall of described majority is provided with a liquid crystal panel support face and a blooming piece support face, below described blooming piece support face, be formed with the cavity of accommodating described elastic positioning element, be provided with one first through hole at described blooming piece support face, described cavity is communicated in the inside of described positioning framework by this first through hole, and described elastic positioning element has the outer teat that passes described first through hole and withstand described light guide plate.
2. module backlight according to claim 1, it is characterized in that: have a pilot hole at described blooming piece, described elastic positioning element also have one outside described the upwardly extending necking part of one of teat end, described necking part passes first through hole of described blooming piece support face and the described pilot hole of described blooming piece, to implement the location on the upper thread direction of described blooming piece.
3. module backlight according to claim 2 is characterized in that: described elastic positioning element also has one from the left-hand thread portion of described necking part to the direction extension of pushing down described blooming piece, with the displacement of restriction blooming piece normal direction.
4. module backlight according to claim 3, it is characterized in that: described elastic positioning element also has a spring, and described outer teat is an outwards outstanding arc structure, the outside surface side of described outer teat is withstood described light guide plate, and described spring is installed between the chamber wall of the inner surface side of described outer teat and described cavity.
5. module backlight according to claim 3, it is characterized in that: described outer teat is one outwards outstanding, the structure of non-sealing and approximate ring-type, the two ends of the structure of this non-sealing and approximate ring-type do not connect, and one first side of the outside surface of described outer teat is withstood described light guide plate, and one second side with respect to described first side of the outside surface of described outer teat is withstood a chamber wall of described cavity.
6. module backlight according to claim 5 is characterized in that: the sidewall of described majority is four sidewalls, and described four side walls enclose become a square, and described the first side wall is described tetragonal left side wall or right side wall.
7. module backlight according to claim 1 is characterized in that: an elastic positioning element is installed on the centre of a sidewall in the sidewall of described majority; The compartment of terrain is equipped with two elastic positioning elements on another sidewall relative with a described sidewall.
8. module backlight according to claim 7 is characterized in that: the distance between described two elastic positioning elements of described another sidewall is 1/4th of whole described another sidewall length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100350029A CN101539682B (en) | 2008-03-21 | 2008-03-21 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100350029A CN101539682B (en) | 2008-03-21 | 2008-03-21 | Backlight module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101539682A CN101539682A (en) | 2009-09-23 |
| CN101539682B true CN101539682B (en) | 2011-08-10 |
Family
ID=41122953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100350029A Active CN101539682B (en) | 2008-03-21 | 2008-03-21 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101539682B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2354836B1 (en) * | 2009-12-14 | 2018-08-08 | Harman Becker Automotive Systems GmbH | Display unit with an integrated backlight |
| CN102003661A (en) * | 2010-11-03 | 2011-04-06 | 深圳市华星光电技术有限公司 | Edge-type backlight module and liquid crystal display |
| CN202209588U (en) * | 2011-08-18 | 2012-05-02 | 深圳市华星光电技术有限公司 | Light-emitting diode (LED) backlight module and liquid crystal display device |
| US8582048B2 (en) | 2011-08-18 | 2013-11-12 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | LED backlight module and liquid crystal display device using the same |
| CN102606960A (en) * | 2012-03-26 | 2012-07-25 | 深圳市华星光电技术有限公司 | Backlight module |
| CN102720993B (en) * | 2012-06-15 | 2014-07-16 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN103781314B (en) | 2014-01-17 | 2017-04-26 | 合肥京东方显示光源有限公司 | Display module fixation positioning frame and display device |
| CN104033852B (en) * | 2014-06-11 | 2017-02-01 | 合肥鑫晟光电科技有限公司 | Light guide plate compressing structure and backlight module |
| CN104390179B (en) | 2014-11-21 | 2016-07-06 | 深圳市华星光电技术有限公司 | A kind of backlight module |
| DE102020216019A1 (en) | 2020-09-01 | 2022-03-03 | Continental Automotive Gmbh | Lighting unit with a centering device for a light guide |
| DE102020216016B3 (en) | 2020-09-01 | 2022-01-27 | Continental Automotive Gmbh | Lighting unit with a centering device for a light guide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6046785A (en) * | 1997-08-30 | 2000-04-04 | Lg Electronics Inc. | Attachment structure of light guide to frame for liquid crystal display device |
| JP2001035235A (en) * | 1999-07-22 | 2001-02-09 | Sanyo Electric Co Ltd | Edge-light type backlight |
| JP2005019003A (en) * | 2003-06-23 | 2005-01-20 | Matsushita Electric Ind Co Ltd | Illumination device |
| CN1617024A (en) * | 2003-11-14 | 2005-05-18 | 三洋电机株式会社 | Liquid crystal module |
| JP2006318793A (en) * | 2005-05-13 | 2006-11-24 | Toshiba Matsushita Display Technology Co Ltd | Flat light source device and liquid crystal display device equipped therewith |
-
2008
- 2008-03-21 CN CN2008100350029A patent/CN101539682B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6046785A (en) * | 1997-08-30 | 2000-04-04 | Lg Electronics Inc. | Attachment structure of light guide to frame for liquid crystal display device |
| JP2001035235A (en) * | 1999-07-22 | 2001-02-09 | Sanyo Electric Co Ltd | Edge-light type backlight |
| JP2005019003A (en) * | 2003-06-23 | 2005-01-20 | Matsushita Electric Ind Co Ltd | Illumination device |
| CN1617024A (en) * | 2003-11-14 | 2005-05-18 | 三洋电机株式会社 | Liquid crystal module |
| JP2006318793A (en) * | 2005-05-13 | 2006-11-24 | Toshiba Matsushita Display Technology Co Ltd | Flat light source device and liquid crystal display device equipped therewith |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101539682A (en) | 2009-09-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101539682B (en) | Backlight module | |
| US7864260B2 (en) | Receiving container, method of manufacturing the same and liquid crystal display apparatus having the same | |
| US9470920B2 (en) | Mold frame for curved displaying and curved liquid crystal display device using same | |
| EP2211226B1 (en) | Display device | |
| US9766487B2 (en) | Curved liquid crystal display device | |
| US8451554B2 (en) | Flat panel display device and method for producing the same | |
| EP2746841A1 (en) | Liquid crystal display device | |
| US8698974B2 (en) | Receiving module, manufacturing method of the same, and liquid crystal display with the same | |
| CN101430845A (en) | Display device and information processing device having the same | |
| US9632334B2 (en) | Display apparatus | |
| WO2021227732A1 (en) | Display device and back panel assembly | |
| US20210033912A1 (en) | Display device | |
| JP2007047693A (en) | Frame of flat panel display device and manufacturing method thereof | |
| KR20090046405A (en) | Backlight unit for liquid crystal display device and liquid crystal display device module | |
| CN209992784U (en) | Support piece, backlight module and display device | |
| CN101149517A (en) | Backlight module and liquid crystal display | |
| US20080284937A1 (en) | Liquid crystal display and manufacturing method thereof | |
| CN101725927B (en) | Back light module | |
| CN101344663A (en) | LCD and manufacturing method thereof | |
| CN202852725U (en) | Support device of light-emitting diode (LED) light mixing device | |
| TWI410715B (en) | Backlight module and plastic frame structure thereof | |
| CN201047895Y (en) | Backlight module and frame structure thereof | |
| US8733958B2 (en) | Flat panel display device and stereoscopic display device | |
| US10605973B2 (en) | Light guide plate and display device | |
| KR101810907B1 (en) | Guide panel and manufacturing method of the same, lcd module including guide panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN HUAXING PHOTOELECTRIC TECHNOLOGY CO., LTD Free format text: FORMER OWNER: SUZHOU CANYU OPTICAL CO., LTD. Effective date: 20120816 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 215006 SUZHOU, JIANGSU PROVINCE TO: 518132 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120816 Address after: 518132 No. 9-2 Ming Avenue, Guangming New District, Shenzhen Patentee after: Shenzhen Huaxing Optoelectronic Technology Co., Ltd. Address before: 215006, No. 3, No. 68, Star Road, Suzhou Industrial Park, Jiangsu Province Patentee before: Suzhou Canyu Optical Co., Ltd. |