KR100685805B1 - 발광소자와 그 제조방법 및 이를 이용한 표시장치 - Google Patents
발광소자와 그 제조방법 및 이를 이용한 표시장치 Download PDFInfo
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- KR100685805B1 KR100685805B1 KR1020047015201A KR20047015201A KR100685805B1 KR 100685805 B1 KR100685805 B1 KR 100685805B1 KR 1020047015201 A KR1020047015201 A KR 1020047015201A KR 20047015201 A KR20047015201 A KR 20047015201A KR 100685805 B1 KR100685805 B1 KR 100685805B1
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- 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
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- 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
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- 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
- H05B33/02—Details
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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
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
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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
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- Manufacturing & Machinery (AREA)
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- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
Claims (18)
- 광투과성 기판상에 고굴절률층과, 투명한 제 1 전극 및 제 2 전극에 끼워진 1층 또는 다층의 유기 박막층으로 이루어진 유기 전계발광소자를 적어도 구비하고, 상기 고굴절률층은 1.65 이상의 굴절률을 갖고, 또 상기 고굴절률층과 상기 광투과성 기판과의 계면이 중심선 평균 거칠기 0.01㎛ 이상, 0.6㎛ 이하의 범위에 있는 것을 특징으로 하는 발광소자.
- 광투과성 기판상에 고굴절률층과, 투명한 제 1 전극 및 제 2 전극에 끼워진 1층 또는 다층의 유기 박막층으로 이루어진 유기 전계발광소자를 적어도 구비하고, 상기 고굴절률층은 상기 발광층 보다도 큰 굴절률을 갖고, 또 상기 고굴절률층과 상기 광투과성 기판과의 계면이 중심선 평균 거칠기 0.01㎛ 이상, 0.6㎛ 이하의 범위에 있는 것을 특징으로 하는 발광소자.
- 제 1 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면의 전개면적비가 1.02 이상인 것을 특징으로 하는 발광소자.
- 제 2 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면의 전개면적비가 1.02 이상 인 것을 특징으로 하는 발광소자.
- 제 1 항 또는 제 3 항에 있어서,상기 고굴절률층은 질화실리콘으로 이루어진 것을 특징으로 하는 발광소자.
- 제 2 항 또는 제 4 항에 있어서,상기 고굴절률층은 질화실리콘으로 이루어진 것을 특징으로 하는 발광소자.
- 제 1 항 또는 제 3 항에 있어서,상기 광투과성 기판이 복수의 광투과성층으로 이루어지고, 고굴절률층과 접촉하는 광투과성층이 다른 광투과성층 보다도 작은 굴절률을 갖는 것을 특징으로 하는 발광소자.
- 제 2 항 또는 제 4 항에 있어서,상기 광투과성 기판이 복수의 광투과성층으로 이루어지고, 고굴절률층과 접촉하는 광투과성층이 다른 광투과성층 보다도 작은 굴절률을 갖는 것을 특징으로 하는 발광소자.
- 제 7 항에 있어서,고굴절률층과 접촉하는 광투과성층이 다공질실리카로 이루어진 것을 특징으 로 하는 발광소자.
- 제 8 항에 있어서,고굴절률층과 접촉하는 광투과성층이 다공질실리카로 이루어진 것을 특징으로 하는 발광소자.
- 제 1 항 또는 제 3 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면 형상이 광투과성 기판에 대한 역스퍼터링법으로 형성되는 것을 특징으로 하는 발광소자.
- 제 2 항 또는 제 4 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면 형상이 광투과성 기판에 대한 역스퍼터링법으로 형성되는 것을 특징으로 하는 발광소자.
- 제 1 항 또는 제 3 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면 형상이 광투과성 기판상에 피복률 1 이하의 박막형상으로 형성되고, 상기 박막을 구비한 광투과성 기판이 에칭되어 형성되는 것을 특징으로 하는 발광소자.
- 제 2 항 또는 제 4 항에 있어서,상기 광투과성 기판과 상기 고굴절률층과의 계면 형상이 광투과성 기판상에 피복률 1 이하의 박막형상으로 형성되고, 상기 박막을 구비한 광투과성 기판이 에칭되어 형성되는 것을 특징으로 하는 발광소자.
- 제 1 항 또는 제 3 항에 있어서,상기 고굴절률층의 두께가 0.4∼2㎛의 범위에 있는 것을 특징으로 하는 발광소자.
- 제 2 항 또는 제 4 항에 있어서,상기 고굴절률층의 두께가 0.4∼2㎛의 범위에 있는 것을 특징으로 하는 발광소자.
- 제 1 항, 제 3 항, 제 5 항, 제 7 항, 제 9 항, 제 11 항, 제 13 항 또는 제 15 항 중 어느 한 항에 기재된 발광소자가 복수개 배치되는 것을 특징으로 하는 표시장치.
- 제 2 항, 제 4 항, 제 6 항, 제 8 항, 제 10 항, 제 12 항, 제 14 항 또는 제 16 항 중 어느 한 항에 기재된 발광소자가 복수개 배치되는 것을 특징으로 하는 표시장치.
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JP2002096704A JP4226835B2 (ja) | 2002-03-29 | 2002-03-29 | 発光素子、その製造方法およびこれを用いた表示装置 |
JPJP-P-2002-00096704 | 2002-03-29 |
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US (1) | US7598669B2 (ko) |
JP (1) | JP4226835B2 (ko) |
KR (1) | KR100685805B1 (ko) |
CN (2) | CN1653856A (ko) |
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EP2334149A2 (en) * | 2008-09-25 | 2011-06-15 | LG Chem, Ltd. | Organic light-emitting diodes (oleds) with high efficiency and its manufacturing method |
EP2334149A4 (en) * | 2008-09-25 | 2012-07-11 | Lg Chemical Ltd | ORGANIC LIGHT-EMITTING DIODES (OLEDS) OF HIGH EFFICIENCY AND MANUFACTURING METHOD THEREFOR |
KR101182462B1 (ko) * | 2008-09-25 | 2012-09-12 | 주식회사 엘지화학 | 고효율 유기발광소자 및 이의 제조 방법 |
KR101530748B1 (ko) * | 2008-09-25 | 2015-06-24 | 주식회사 엘지화학 | 고효율 유기발광소자 및 이의 제조 방법 |
US9722209B2 (en) | 2008-09-25 | 2017-08-01 | Lg Display, Co., Ltd. | Organic light-emitting diodes (OLEDS) with high efficiency and its manufacturing method |
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KR20040094861A (ko) | 2004-11-10 |
JP4226835B2 (ja) | 2009-02-18 |
US7598669B2 (en) | 2009-10-06 |
JP2003297572A (ja) | 2003-10-17 |
CN1653856A (zh) | 2005-08-10 |
US20050127832A1 (en) | 2005-06-16 |
CN102024913A (zh) | 2011-04-20 |
CN102024913B (zh) | 2012-12-26 |
WO2003084291A1 (fr) | 2003-10-09 |
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