KR100329325B1 - 액정표시장치 - Google Patents
액정표시장치 Download PDFInfo
- Publication number
- KR100329325B1 KR100329325B1 KR1019990021534A KR19990021534A KR100329325B1 KR 100329325 B1 KR100329325 B1 KR 100329325B1 KR 1019990021534 A KR1019990021534 A KR 1019990021534A KR 19990021534 A KR19990021534 A KR 19990021534A KR 100329325 B1 KR100329325 B1 KR 100329325B1
- Authority
- KR
- South Korea
- Prior art keywords
- light
- scattering
- liquid crystal
- backlight
- polarizing plate
- Prior art date
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 79
- 230000010287 polarization Effects 0.000 claims abstract description 41
- 238000000149 argon plasma sintering Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 9
- 238000009826 distribution Methods 0.000 description 12
- 230000006870 function Effects 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 9
- 230000000740 bleeding effect Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 229920006254 polymer film Polymers 0.000 description 4
- 230000009993 protective function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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
-
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
-
- 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
-
- 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
- G02F1/133528—Polarisers
- G02F1/133536—Reflective polarizers
-
- 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
Abstract
Description
Claims (3)
- 액정의 후방에 배치된 백라이트로부터 발생하는 빛이 상기 액정을 투과함으로써, 상기 액정의 전방에서 액정부의 표시가 관찰되는 액정표시장치에 있어서,상기 백라이트와 상기 액정 사이에 배치되고, 상기 백라이트로부터의 빛의 일 방향의 편광성분은 투과시키지만, 상기 일 방향에 직각인 방향의 편광성분은 그 빛의 진행방향과 역방향으로 산란 반사시키는 산란 편광판과,상기 산란 반사된 빛을 반사하여, 상기 일 방향의 편광성분도 포함하여 상기 산란 편광판으로 향하게 하는 산란광 반사부재를 구비한 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 산란 편광판과 상기 산란광 반사부재 사이에 배치되고, 상기 산란 편광판으로부터 산란 반사된 빛을 굴절시키고 투과시켜, 상기 산란광 반사부재에 집광시키는 렌즈 시이트를 더 구비한 것을 특징으로 하는 액정표시장치.
- 제 1 항에 있어서,상기 산란 편광판과 상기 산란광 반사부재 사이에 배치되고, 상기 산란 편광판으로부터 산란 반사된 빛을 입사각에 따라 산란도를 변화하여 투과시키는 광산란 제어필름을 더 구비한 것을 특징으로 하는 액정표시장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP321919 | 1998-11-12 | ||
JP10321919A JP2000147484A (ja) | 1998-11-12 | 1998-11-12 | 液晶表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000034868A KR20000034868A (ko) | 2000-06-26 |
KR100329325B1 true KR100329325B1 (ko) | 2002-03-22 |
Family
ID=18137885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019990021534A KR100329325B1 (ko) | 1998-11-12 | 1999-06-10 | 액정표시장치 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6215537B1 (ko) |
JP (1) | JP2000147484A (ko) |
KR (1) | KR100329325B1 (ko) |
TW (1) | TWI225949B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1154875C (zh) * | 1997-07-18 | 2004-06-23 | 时至准钟表股份有限公司 | 液晶显示装置 |
US6853413B2 (en) * | 2000-04-18 | 2005-02-08 | Honeywell International Inc. | Polarized display with wide-angle illumination |
KR100757785B1 (ko) * | 2001-07-12 | 2007-09-11 | 삼성전자주식회사 | 액정표시장치에서의 광 조명 방법 및 이를 이용한액정표시장치 |
CN100447629C (zh) * | 2001-12-21 | 2008-12-31 | 奇美电子股份有限公司 | 用于直下式背照模块的灯管反射装置 |
JP2003279987A (ja) * | 2002-03-26 | 2003-10-02 | Seiko Epson Corp | 液晶表示装置および電子機器 |
DE102006023993A1 (de) * | 2005-05-23 | 2007-03-08 | Wang, Ran-Hong, Tustin | Polarisationssteuerung für Flüssigkristallanzeigen |
CN107121838B (zh) * | 2017-06-13 | 2020-06-05 | 明基材料有限公司 | 背光模组 |
CN110398860A (zh) * | 2019-07-08 | 2019-11-01 | 深圳市宝明科技股份有限公司 | 一种具有增亮效果的背光结构及具有其的显示装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980024342A (ko) * | 1996-09-05 | 1998-07-06 | 세끼자와 다다시 | 편광장치 및 이를 이용한 투사광학장치 |
KR19990004688A (ko) * | 1997-06-28 | 1999-01-25 | 성재갑 | 반사형 편광판을 이용한 휘도가 증가된 배면 조명 장치 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH618018A5 (ko) * | 1977-08-30 | 1980-06-30 | Bbc Brown Boveri & Cie | |
EP0821261B1 (en) * | 1992-06-26 | 2001-11-14 | Sharp Kabushiki Kaisha | Reflective type liquid crystal display device |
JP3519130B2 (ja) | 1994-09-01 | 2004-04-12 | 松下電器産業株式会社 | 液晶ディスプレイおよびそのバックライト |
US5751388A (en) * | 1995-04-07 | 1998-05-12 | Honeywell Inc. | High efficiency polarized display |
US5995183A (en) * | 1996-03-08 | 1999-11-30 | Matsushita Electric Industrial Co., Ltd. | Anisotropic scattering device and its use |
-
1998
- 1998-11-12 JP JP10321919A patent/JP2000147484A/ja active Pending
-
1999
- 1999-04-08 US US09/288,514 patent/US6215537B1/en not_active Expired - Lifetime
- 1999-05-24 TW TW088108454A patent/TWI225949B/zh not_active IP Right Cessation
- 1999-06-10 KR KR1019990021534A patent/KR100329325B1/ko not_active IP Right Cessation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980024342A (ko) * | 1996-09-05 | 1998-07-06 | 세끼자와 다다시 | 편광장치 및 이를 이용한 투사광학장치 |
KR19990004688A (ko) * | 1997-06-28 | 1999-01-25 | 성재갑 | 반사형 편광판을 이용한 휘도가 증가된 배면 조명 장치 |
Also Published As
Publication number | Publication date |
---|---|
JP2000147484A (ja) | 2000-05-26 |
US6215537B1 (en) | 2001-04-10 |
TWI225949B (en) | 2005-01-01 |
KR20000034868A (ko) | 2000-06-26 |
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