KR100926372B1 - 콜레스테릭 액정층을 포함하는 유기박막표시장치 - Google Patents
콜레스테릭 액정층을 포함하는 유기박막표시장치 Download PDFInfo
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- KR100926372B1 KR100926372B1 KR1020080024387A KR20080024387A KR100926372B1 KR 100926372 B1 KR100926372 B1 KR 100926372B1 KR 1020080024387 A KR1020080024387 A KR 1020080024387A KR 20080024387 A KR20080024387 A KR 20080024387A KR 100926372 B1 KR100926372 B1 KR 100926372B1
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- light
- organic
- liquid crystal
- cholesteric liquid
- polarized light
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- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 title claims abstract description 50
- 239000010409 thin film Substances 0.000 title claims abstract description 29
- 239000010408 film Substances 0.000 claims abstract description 29
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 230000010287 polarization Effects 0.000 abstract description 7
- 230000003098 cholesteric effect Effects 0.000 abstract 1
- -1 organic EL Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 12
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000006059 cover glass Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000005281 excited state Effects 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 230000005525 hole transport Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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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
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133541—Circular polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
- G02F1/133638—Waveplates, i.e. plates with a retardation value of lambda/n
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/125—Active-matrix OLED [AMOLED] displays including organic TFTs [OTFT]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/04—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning
- H10N30/045—Treatments to modify a piezoelectric or electrostrictive property, e.g. polarisation characteristics, vibration characteristics or mode tuning by polarising
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/34—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector
- G02F2201/343—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00 reflector cholesteric liquid crystal reflector
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (7)
- 유기EL패널, 원편광의 광을 선편광의 광으로 변환시키는 λ/4 위상지연층, 상기 λ/4 위상지연층에서 선편광으로 변환된 광 가운데 광축이 일치하는 광만을 선택적으로 통과시키는 편광필름을 포함하는 유기박막표시장치에 있어서,입사광 가운데 일방향으로 회전하는 원편광의 광은 투과시키며 상기 일방향과 반대되는 방향으로 회전하는 원편광의 광은 반사시키는 콜레스테릭 액정층을 더 포함하며,상기 콜레스테릭 액정층은 상기 유기EL패널 내부에 배치된 것을 특징으로 하는 유기박막표시장치.
- 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,상기 유기EL패널은 절연기판 상에 형성된 애노드 전극, 상기 애노드 전극 상에 형성된 유기발광층, 상기 유기발광층 상에 형성된 캐소드 전극 및 상기 적층된 애노드 전극, 유기발광층, 캐소드 전극을 둘러싸는 보호글래스를 포함하며,상기 콜레스테릭 액정층은 상기 보호글래스 내부에 배치되도록 상기 캐소드 전극 상에 형성된 것을 특징으로 하는 유기박막표시장치.
- 제 1 항 또는 제 5 항에 있어서,상기 콜레스테릭 액정층은 가시광 영역의 광을 반사하도록 형성된 것을 특징으로 하는 유기박막표시장치.
- 제 1 항 또는 제 5 항에 있어서,상기 λ/4 위상지연층은 연신필름, 액정, 쿼츠(Quartz) 가운데 어느 하나로 형성된 것을 특징으로 하는 유기박막표시장치.
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KR1020080024387A KR100926372B1 (ko) | 2008-03-17 | 2008-03-17 | 콜레스테릭 액정층을 포함하는 유기박막표시장치 |
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KR1020080024387A KR100926372B1 (ko) | 2008-03-17 | 2008-03-17 | 콜레스테릭 액정층을 포함하는 유기박막표시장치 |
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KR20090099248A KR20090099248A (ko) | 2009-09-22 |
KR100926372B1 true KR100926372B1 (ko) | 2009-11-10 |
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KR1020080024387A Active KR100926372B1 (ko) | 2008-03-17 | 2008-03-17 | 콜레스테릭 액정층을 포함하는 유기박막표시장치 |
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Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101107175B1 (ko) | 2009-12-07 | 2012-01-25 | 삼성모바일디스플레이주식회사 | 유기 발광 표시 장치 |
KR101117734B1 (ko) * | 2010-01-21 | 2012-02-24 | 삼성모바일디스플레이주식회사 | 유기 발광 장치 |
KR101721889B1 (ko) | 2010-08-06 | 2017-03-31 | 삼성전자주식회사 | 능동형유기발광다이오드 표시장치 및 그의 표시제어방법 |
US9219248B2 (en) | 2012-08-10 | 2015-12-22 | Samsung Electronics Co., Ltd. | Organic electroluminescence display device |
KR20150006726A (ko) | 2013-07-09 | 2015-01-19 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
KR101700772B1 (ko) * | 2015-10-30 | 2017-01-31 | 엘지디스플레이 주식회사 | 유기전계발광 표시장치 |
CN106200094A (zh) * | 2016-07-08 | 2016-12-07 | 京东方科技集团股份有限公司 | 一种反射式显示装置及其制作方法 |
CN109856880B (zh) * | 2019-02-27 | 2021-12-10 | 京东方科技集团股份有限公司 | 反射器及驱动方法、显示面板及驱动方法 |
Citations (3)
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KR20020061474A (ko) * | 2001-01-15 | 2002-07-24 | 가부시키가이샤 히타치세이사쿠쇼 | 발광 소자 및 표시 장치 |
KR20040097373A (ko) * | 2002-04-23 | 2004-11-17 | 닛토덴코 가부시키가이샤 | 편광 소자, 편광 광원 및 이들을 사용한 화상 표시 장치 |
KR20060065729A (ko) * | 2003-10-24 | 2006-06-14 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 표시 장치 |
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- 2008-03-17 KR KR1020080024387A patent/KR100926372B1/ko active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20020061474A (ko) * | 2001-01-15 | 2002-07-24 | 가부시키가이샤 히타치세이사쿠쇼 | 발광 소자 및 표시 장치 |
KR20040097373A (ko) * | 2002-04-23 | 2004-11-17 | 닛토덴코 가부시키가이샤 | 편광 소자, 편광 광원 및 이들을 사용한 화상 표시 장치 |
KR20060065729A (ko) * | 2003-10-24 | 2006-06-14 | 도시바 마쯔시따 디스플레이 테크놀로지 컴퍼니, 리미티드 | 표시 장치 |
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