WO2003052842A3 - Encapsulation structure that acts as a multilayer mirror - Google Patents

Encapsulation structure that acts as a multilayer mirror Download PDF

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Publication number
WO2003052842A3
WO2003052842A3 PCT/US2002/035671 US0235671W WO03052842A3 WO 2003052842 A3 WO2003052842 A3 WO 2003052842A3 US 0235671 W US0235671 W US 0235671W WO 03052842 A3 WO03052842 A3 WO 03052842A3
Authority
WO
WIPO (PCT)
Prior art keywords
multilayer mirror
oled
layers
electrode
refractive index
Prior art date
Application number
PCT/US2002/035671
Other languages
French (fr)
Other versions
WO2003052842A2 (en
Inventor
Michael Stuart Weaver
Original Assignee
Universal Display Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Universal Display Corp filed Critical Universal Display Corp
Priority to AU2002365092A priority Critical patent/AU2002365092A1/en
Priority to DE60224698T priority patent/DE60224698T2/en
Priority to JP2003553639A priority patent/JP5143996B2/en
Priority to EP02802940A priority patent/EP1442488B1/en
Priority to KR1020047006780A priority patent/KR100923086B1/en
Publication of WO2003052842A2 publication Critical patent/WO2003052842A2/en
Publication of WO2003052842A3 publication Critical patent/WO2003052842A3/en

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Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/85—Arrangements for extracting light from the devices
    • H10K50/856—Arrangements for extracting light from the devices comprising reflective means
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/844—Encapsulations
    • H10K50/8445—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/85—Arrangements for extracting light from the devices
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/875—Arrangements for extracting light from the devices
    • H10K59/876—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
    • H10K59/80—Constructional details
    • H10K59/875—Arrangements for extracting light from the devices
    • H10K59/878—Arrangements for extracting light from the devices comprising reflective means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/02—Bonding areas; Manufacturing methods related thereto
    • H01L2224/04—Structure, shape, material or disposition of the bonding areas prior to the connecting process
    • H01L2224/05—Structure, shape, material or disposition of the bonding areas prior to the connecting process of an individual bonding area
    • H01L2224/05001—Internal layers
    • H01L2224/05075—Plural internal layers
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
    • H10K50/00—Organic light-emitting devices
    • H10K50/80—Constructional details
    • H10K50/85—Arrangements for extracting light from the devices
    • H10K50/852—Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair

Abstract

The present invention is directed to novel structures for use in connection with OLED devices that simultaneously act as a multilayer mirror and as a barrier to harmful species in the exterior environment. According to one embodiment of the invention, an OLED structure is provided that comprises: (a) a substrate (110); (b) an OLED (140) over the substrate that comprises (i) a first electrode (142), (ii) an emission region (144) above the first electrode and (iii) a second electrode (146) above the emission region, wherein the OLED emits light having a range of wavelengths upon being turned on; and (c) a multilayer mirror (120) over the substrate, the multilayer mirror comprising an alternating series of (i) planarizing layers (121a-c) having a first refractive index and (ii) high-density layers (122a-c) having a second refractive index that differs from the first refractive index. The thicknesses of the planarizing layers and of the high-density layers in this embodiment are selected such that the multilayer mirror is tuned to transmit light at a peak wavelength within the range of wavelengths emitted by the OLED. Moreover, the planarizing layers and the high-density layers cooperate to restrict transmission of water and oxygen.
PCT/US2002/035671 2001-11-06 2002-11-06 Encapsulation structure that acts as a multilayer mirror WO2003052842A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AU2002365092A AU2002365092A1 (en) 2001-11-06 2002-11-06 Encapsulation structure that acts as a multilayer mirror
DE60224698T DE60224698T2 (en) 2001-11-06 2002-11-06 SOCKET STRUCTURE THAT SERVES AS MULTILAYER MIRROR
JP2003553639A JP5143996B2 (en) 2001-11-06 2002-11-06 Organic light emitting device structure having sealing structure that functions as multilayer mirror
EP02802940A EP1442488B1 (en) 2001-11-06 2002-11-06 Encapsulation structure that acts as a multilayer mirror
KR1020047006780A KR100923086B1 (en) 2001-11-06 2002-11-06 Encapsulation structure that acts as a multilayer mirror

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/992,437 2001-11-06
US09/992,437 US6888305B2 (en) 2001-11-06 2001-11-06 Encapsulation structure that acts as a multilayer mirror

Publications (2)

Publication Number Publication Date
WO2003052842A2 WO2003052842A2 (en) 2003-06-26
WO2003052842A3 true WO2003052842A3 (en) 2004-01-22

Family

ID=25538343

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2002/035671 WO2003052842A2 (en) 2001-11-06 2002-11-06 Encapsulation structure that acts as a multilayer mirror

Country Status (9)

Country Link
US (1) US6888305B2 (en)
EP (1) EP1442488B1 (en)
JP (2) JP5143996B2 (en)
KR (1) KR100923086B1 (en)
CN (1) CN100435376C (en)
AT (1) ATE384340T1 (en)
AU (1) AU2002365092A1 (en)
DE (1) DE60224698T2 (en)
WO (1) WO2003052842A2 (en)

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US6888305B2 (en) 2005-05-03
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JP2006505092A (en) 2006-02-09
EP1442488B1 (en) 2008-01-16
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KR100923086B1 (en) 2009-10-22
US20030085652A1 (en) 2003-05-08
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CN1582504A (en) 2005-02-16
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ATE384340T1 (en) 2008-02-15
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JP5379287B2 (en) 2013-12-25
AU2002365092A1 (en) 2003-06-30

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