KR20060122742A - 투명 발광 소자 - Google Patents
투명 발광 소자 Download PDFInfo
- Publication number
- KR20060122742A KR20060122742A KR1020060047075A KR20060047075A KR20060122742A KR 20060122742 A KR20060122742 A KR 20060122742A KR 1020060047075 A KR1020060047075 A KR 1020060047075A KR 20060047075 A KR20060047075 A KR 20060047075A KR 20060122742 A KR20060122742 A KR 20060122742A
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- KR
- South Korea
- Prior art keywords
- light emitting
- dielectric layers
- transparent
- stack
- layer
- Prior art date
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- 239000010410 layer Substances 0.000 claims description 83
- 239000012044 organic layer Substances 0.000 claims description 21
- 230000003595 spectral effect Effects 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000002310 reflectometry Methods 0.000 claims description 3
- 238000000295 emission spectrum Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 11
- 239000000758 substrate Substances 0.000 abstract description 9
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- 238000002347 injection Methods 0.000 description 12
- 239000007924 injection Substances 0.000 description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 239000003989 dielectric material Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000000737 periodic effect Effects 0.000 description 3
- 238000000411 transmission spectrum Methods 0.000 description 3
- 238000002834 transmittance Methods 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
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- 239000011229 interlayer Substances 0.000 description 1
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- 230000035699 permeability Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/26—Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/302—Details of OLEDs of OLED structures
- H10K2102/3023—Direction of light emission
- H10K2102/3031—Two-side emission, e.g. transparent OLEDs [TOLED]
-
- 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
- H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
Abstract
Description
Claims (12)
- 발광 유기층이 상부 및 하부 전극 사이에 배치되는 층 배치를 갖고, 상기 층 배치는 스위칭-오프 상태에서 투명하고 스위칭-온 상태에서 상부 및 하부 전극에 전압을 인가함으로써 상기 발광 유기층에서 광이 생성되어 방출되고, 상기 광은 상기 상부 또는 하부 전극을 통해 적어도 약 4:1의 비율에서 방출되는, 유기 발광 다이오드(OLED)와 같은 투명 발광 소자로서,가시광선 스펙트럼 영역에서 투명하고 상이한 굴절율들을 갖는 2개 이상의 물질들의 유전체층들로 이루어진 적층부가 상기 상부 또는 하부 전극의 측면 상에 배치된, 투명 발광 소자.
- 제 1 항에 있어서,90%를 초과하는 높은 반사력을 갖는 상기 유전체층들의 적층부의 스펙트럼 반사 영역과 상기 발광 유기층에서 생성되는 광의 방출 스펙트럼은 적어도 부분적으로 중첩되도록 형성되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 또는 제 2 항에 있어서,상기 유전체층들은 각각의 경우 (n×λ/4)의 층 두께를 가지며, 여기서 n=1, 2, ...이고, λ는 방출되는 광의 파장인 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서,상기 유전체층들의 적층부는 상기 상부 또는 하부 전극에 직접 제공되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 4 항 중 어느 한 항에 있어서,상기 발광 유기층은 다수의 층들을 가진 층 시퀀스로서 형성되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 5 항 중 어느 한 항에 있어서,상기 층 배치는 백색광을 방출하도록 형성되고, 상기 백색광은 상기 발광 유기층에서 형성되는 광의 다수의 스펙트럼 성분들로 이루어진 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 6 항 중 어느 한 항에 있어서,균일한 층 두께를 갖는 상기 적층부에 다수의 반사 대역들이 사용될 수 있도록, 상기 발광 유기층에 생성되는 광의 상이한 스펙트럼 성분들에 대해 상기 적층부에 의한 반사를 위해 상이한 차순들(orders)의 상기 유전체층들의 적층부가 사용되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 7 항 중 어느 한 항에 있어서,상기 발광 유기층은 유기 발광 다이오드에서 형성되고, 추가적인 발광 유기층을 갖는 하나 이상의 추가적인 유기 발광 다이오드가 형성되며, 상기 유기 발광 다이오드와 상기 하나 이상의 추가적인 유기 발광 다이오드는 하나가 다른 하나 상부에 적층되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 8 항 중 어느 한 항에 있어서,상기 유전체층들의 적층부의 유전체층들의 적어도 일부는 각각의 경우 상이한 굴절율을 갖는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 9 항 중 어느 한 항에 있어서,상기 유전체층들의 적층부에서 상기 유전체층들의 적어도 일부분에 대해 변조된 굴절율 분포가 형성되는 것을 특징으로 하는 투명 발광 소자.
- 제 10 항에 있어서,상기 변조된 굴절율 분포는 본질적으로 진동하는 방식으로 형성되는 것을 특징으로 하는 투명 발광 소자.
- 제 1 항 내지 제 11 항 중 어느 한 항에 있어서,상기 유전체층들의 적층부에서 상기 유전체층들의 적어도 일부분에 대해 연속적으로 증가/감소하는 굴절율의 시퀀스가 형성되는 것을 특징으로 하는 투명 발 광 소자.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05011427A EP1727221B1 (de) | 2005-05-27 | 2005-05-27 | Transparente organische Leuchtdiode |
EP05011427.1 | 2005-05-27 | ||
EP05015072 | 2005-07-12 | ||
EP05015072.1 | 2005-07-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060122742A true KR20060122742A (ko) | 2006-11-30 |
KR100812438B1 KR100812438B1 (ko) | 2008-03-10 |
Family
ID=37553487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020060047075A KR100812438B1 (ko) | 2005-05-27 | 2006-05-25 | 투명 발광 소자 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7598519B2 (ko) |
EP (2) | EP1727221B1 (ko) |
JP (1) | JP2006332064A (ko) |
KR (1) | KR100812438B1 (ko) |
DE (1) | DE502005009415D1 (ko) |
TW (1) | TW200709733A (ko) |
Cited By (2)
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US8558222B2 (en) | 2009-12-21 | 2013-10-15 | Samsung Display Co., Ltd. | Organic light emitting diode display |
US8587499B2 (en) | 2009-07-20 | 2013-11-19 | Samsung Display Co., Ltd. | Organic light emitting diode display |
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US8637331B2 (en) | 2008-10-17 | 2014-01-28 | Bloominescence, Llc | Transparent polarized light-emitting device |
US8253153B2 (en) * | 2008-10-17 | 2012-08-28 | Bloominescence, Llc | Transparent polarized light-emitting device |
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MX2013011599A (es) | 2011-04-05 | 2013-12-16 | Nanoholdings Llc | Metodo y aparato para proveer una ventana con iluminacion mediante un dispositivo organico emisor de luz, emisor de un solo lado, por lo menos parcialmente transparente , y un panel fotovoltaico sensible a la radiacion infrarroja. |
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2005
- 2005-05-27 DE DE502005009415T patent/DE502005009415D1/de active Active
- 2005-05-27 EP EP05011427A patent/EP1727221B1/de active Active
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2006
- 2006-05-12 EP EP06009885A patent/EP1727222A3/de not_active Withdrawn
- 2006-05-17 TW TW095117553A patent/TW200709733A/zh unknown
- 2006-05-25 US US11/420,346 patent/US7598519B2/en active Active
- 2006-05-25 KR KR1020060047075A patent/KR100812438B1/ko active IP Right Grant
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US8587499B2 (en) | 2009-07-20 | 2013-11-19 | Samsung Display Co., Ltd. | Organic light emitting diode display |
US8558222B2 (en) | 2009-12-21 | 2013-10-15 | Samsung Display Co., Ltd. | Organic light emitting diode display |
Also Published As
Publication number | Publication date |
---|---|
EP1727222A3 (de) | 2008-11-19 |
US7598519B2 (en) | 2009-10-06 |
US20060284170A1 (en) | 2006-12-21 |
EP1727222A2 (de) | 2006-11-29 |
TW200709733A (en) | 2007-03-01 |
DE502005009415D1 (de) | 2010-05-27 |
EP1727221A1 (de) | 2006-11-29 |
JP2006332064A (ja) | 2006-12-07 |
EP1727221B1 (de) | 2010-04-14 |
KR100812438B1 (ko) | 2008-03-10 |
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