KR100705737B1 - 다중 반사면의 반사판을 구비한 백라이트 유닛 - Google Patents
다중 반사면의 반사판을 구비한 백라이트 유닛 Download PDFInfo
- Publication number
- KR100705737B1 KR100705737B1 KR1020050029498A KR20050029498A KR100705737B1 KR 100705737 B1 KR100705737 B1 KR 100705737B1 KR 1020050029498 A KR1020050029498 A KR 1020050029498A KR 20050029498 A KR20050029498 A KR 20050029498A KR 100705737 B1 KR100705737 B1 KR 100705737B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- guide plate
- light guide
- liquid crystal
- crystal panel
- Prior art date
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Classifications
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- 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
- G02F1/133553—Reflecting elements
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- 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
- G02F1/133504—Diffusing, scattering, diffracting elements
-
- 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
- G02F1/133524—Light-guides, e.g. fibre-optic bundles, louvered or jalousie light-guides
-
- 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
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/02—Function characteristic reflective
-
- 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
- G02F2203/00—Function characteristic
- G02F2203/03—Function characteristic scattering
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
Claims (7)
- 빛을 방출하는 적어도 하나의 발광수단;상기 발광수단에서 방출되는 빛을 측면으로부터 입사받아 액정패널의 전면으로 공급하는 적어도 하나의 도광판; 및상기 도광판의 후면에 형성되며, 상기 도광판의 측면으로부터 입사된 빛을 다중 반사시켜 상기 액정패널의 전면을 향하도록 상기 도광판에 투사하는 적어도 하나의 다중 반사면을 갖는 반사판을 구비하며,상기 다중 반사면은상기 발광수단으로부터 상기 도광판으로 입사된 빛을 상기 액정패널과 반대측 방향으로 1차 반사시키는 제 1 반사면; 및상기 제 1 반사면에서 반사된 빛을 상기 액정패널측으로 2차 반사시키는 제 2 반사면을 포함하는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
- 제 1항에 있어서,상기 발광수단과 상기 도광판 사이에 구비되어 상기 발광수단에서 방출되는 빛을 평행광으로 만들어 상기 도광판으로 출사하는 적어도 하나의 라이트 가이드를 더 구비하는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
- 제 1항 또는 제 2항에 있어서, 상기 도광판은상기 발광수단으로부터 멀어질 수록 그 두께가 얇아지는 테이퍼 형상으로 이루어지는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
- 삭제
- 제 1항에 있어서, 상기 제 1 반사면과 상기 제 2 반사면은상기 1, 2차 반사된 빛이 상기 액정패널에 대해 수직한 방향으로 진행하도록, 상기 1차 반사된 빛의 반사각과 상기 2차 반사된 빛의 반사각의 합이 90°또는 90°에 근접되도록 형성되는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
- 제 1항에 있어서,상기 제 1 반사면과 상기 제 2 반사면은 코팅처리 되거나 패턴이 형성되는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
- 제 6항에 있어서,상기 도광판의 광출사면에 상기 도광판으로부터의 빛을 확산시키기 위한 확산판을 더 구비하는 것을 특징으로 하는 다중 반사면의 반사판을 갖는 백라이트 유닛.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050029498A KR100705737B1 (ko) | 2005-04-08 | 2005-04-08 | 다중 반사면의 반사판을 구비한 백라이트 유닛 |
US11/910,692 US7760290B2 (en) | 2005-04-08 | 2006-02-23 | Multi-reflecting device and backlight unit and display device having multi-reflecting architecture |
PCT/KR2006/000616 WO2006107138A1 (en) | 2005-04-08 | 2006-02-23 | Multi-reflecting device and backlight unit and display device having the multi-reflecting architecture |
CN200680011199A CN100580527C (zh) | 2005-04-08 | 2006-02-23 | 具有多反射结构的多反射设备、背光单元和显示设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050029498A KR100705737B1 (ko) | 2005-04-08 | 2005-04-08 | 다중 반사면의 반사판을 구비한 백라이트 유닛 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060106386A KR20060106386A (ko) | 2006-10-12 |
KR100705737B1 true KR100705737B1 (ko) | 2007-04-09 |
Family
ID=37627113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020050029498A KR100705737B1 (ko) | 2005-04-08 | 2005-04-08 | 다중 반사면의 반사판을 구비한 백라이트 유닛 |
Country Status (2)
Country | Link |
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KR (1) | KR100705737B1 (ko) |
CN (1) | CN100580527C (ko) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102681049B (zh) * | 2012-03-12 | 2014-06-11 | 京东方科技集团股份有限公司 | 色偏平衡薄膜、侧入式背光模组及液晶显示装置 |
CN102644889B (zh) * | 2012-04-01 | 2014-06-04 | 深圳市华星光电技术有限公司 | 背光模组 |
JP6721453B2 (ja) * | 2016-08-08 | 2020-07-15 | マクセル株式会社 | ヘッドアップディスプレイ装置およびその映像表示装置 |
US9915773B1 (en) * | 2017-04-28 | 2018-03-13 | Delta Electronics, Inc. | Backlight module and stereo display device using the same |
WO2019156321A1 (ko) * | 2018-02-08 | 2019-08-15 | 주식회사 린피니티 | 광 반사형 광확산 및 집광 프로파일면, 이를 이용한 면 발광 조명 및 집광 장치 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0826234A (ja) * | 1994-07-06 | 1996-01-30 | Ishino:Kk | 下げ札糸付け機 |
JPH10172318A (ja) * | 1996-12-11 | 1998-06-26 | Copal Co Ltd | 面発光装置 |
JP2000222923A (ja) * | 1999-01-29 | 2000-08-11 | Sanyo Electric Co Ltd | 導光板およびバックライト装置 |
JP2000284104A (ja) * | 1999-03-30 | 2000-10-13 | Casio Comput Co Ltd | 光学素子および液晶表示素子 |
KR100271036B1 (ko) * | 1997-07-21 | 2000-11-01 | 구본준, 론 위라하디락사 | 백라이트장치(back light device) |
JP2001330715A (ja) * | 2000-05-19 | 2001-11-30 | Casio Comput Co Ltd | 反射透過兼用板およびそれを用いた液晶表示装置 |
KR20030000096A (ko) * | 2001-06-22 | 2003-01-06 | 엘지전자 주식회사 | 인체 유해한 전자파의 전자파 비 흡수율이 저감되는이동통신 단말기 |
-
2005
- 2005-04-08 KR KR1020050029498A patent/KR100705737B1/ko active IP Right Grant
-
2006
- 2006-02-23 CN CN200680011199A patent/CN100580527C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0826234A (ja) * | 1994-07-06 | 1996-01-30 | Ishino:Kk | 下げ札糸付け機 |
JPH10172318A (ja) * | 1996-12-11 | 1998-06-26 | Copal Co Ltd | 面発光装置 |
KR100271036B1 (ko) * | 1997-07-21 | 2000-11-01 | 구본준, 론 위라하디락사 | 백라이트장치(back light device) |
JP2000222923A (ja) * | 1999-01-29 | 2000-08-11 | Sanyo Electric Co Ltd | 導光板およびバックライト装置 |
JP2000284104A (ja) * | 1999-03-30 | 2000-10-13 | Casio Comput Co Ltd | 光学素子および液晶表示素子 |
JP2001330715A (ja) * | 2000-05-19 | 2001-11-30 | Casio Comput Co Ltd | 反射透過兼用板およびそれを用いた液晶表示装置 |
KR20030000096A (ko) * | 2001-06-22 | 2003-01-06 | 엘지전자 주식회사 | 인체 유해한 전자파의 전자파 비 흡수율이 저감되는이동통신 단말기 |
Non-Patent Citations (1)
Title |
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2003096340000 |
Also Published As
Publication number | Publication date |
---|---|
KR20060106386A (ko) | 2006-10-12 |
CN100580527C (zh) | 2010-01-13 |
CN101156106A (zh) | 2008-04-02 |
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