KR20070122367A - 광학 유닛 및 액정 표시 모듈 - Google Patents
광학 유닛 및 액정 표시 모듈 Download PDFInfo
- Publication number
- KR20070122367A KR20070122367A KR1020070057173A KR20070057173A KR20070122367A KR 20070122367 A KR20070122367 A KR 20070122367A KR 1020070057173 A KR1020070057173 A KR 1020070057173A KR 20070057173 A KR20070057173 A KR 20070057173A KR 20070122367 A KR20070122367 A KR 20070122367A
- Authority
- KR
- South Korea
- Prior art keywords
- optical
- liquid crystal
- crystal display
- base film
- light
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0033—Means for improving the coupling-out of light from the light guide
- G02B6/0056—Means for improving the coupling-out of light from the light guide for producing polarisation effects, e.g. by a surface with polarizing properties or by an additional polarizing elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising 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
- G02F1/1336—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
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- 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
- G02F2202/00—Materials and properties
- G02F2202/40—Materials having a particular birefringence, retardation
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
- Optical Elements Other Than Lenses (AREA)
- Polarising Elements (AREA)
Abstract
Description
Claims (11)
- 반사광과 투과광으로 편광 특성을 분리하는 반사 편광판과, 이 반사 편광판의 이면 측에 중첩되는 광학 시트를 구비하는 사각형의 층상 구조체로서,상기 광학 시트가 광학적 이방성이 있는 수지제의 기재 필름을 가지고 있고,상기 반사 편광판의 투과축 방향을 기준으로 하는 기재 필름의 결정축 방향의 각도의 절대값이 π/8 이상 3π/8 이하인 것을 특징으로 하는 광학 유닛.
- 제 1 항에 있어서, 상기 반사 편광판과 광학 시트 사이에 충전되는 투명 매체층을 구비하고 있는 것을 특징으로 하는 광학 유닛.
- 제 1 항에 있어서, 상기 기재 필름의 리타데이션값이 70nm 이상 320nm 이하인 것을 특징으로 하는 광학 유닛.
- 제 1 항에 있어서, 상기 기재 필름을 구성하는 매트릭스 수지로서 폴리에틸렌테레프탈레이트 또는 폴리카보네이트가 사용되고 있는 것을 특징으로 하는 광학 유닛.
- 제 1 항에 있어서, 상기 광학 시트가 기재 필름의 일측 면에 적층되는 광학층을 가지고 있는 것을 특징으로 하는 광학 유닛.
- 제 5 항에 있어서, 상기 광학층이 복수의 광확산제와 그 바인더를 갖는 것을 특징으로 하는 광학 유닛.
- 제 5 항에 있어서, 상기 광학층이 굴절성을 갖는 미소한 요철 형상을 가지고 있는 것을 특징으로 하는 광학 유닛.
- 제 1 항에 있어서, 상기 광학 시트가 기재 필름의 타측 면에 바인더 중에 비즈가 분산된 스티킹 방지층을 가지고 있는 것을 특징으로 하는 광학 유닛.
- 한 쌍의 편광판 사이에 액정 셀을 끼워 지지한 액정 표시 소자와,이 액정 표시 소자의 이면 측에 중첩 설치되는 제 1 항에 기재된 광학 유닛과,이 광학 유닛의 이면 측에 중첩 설치되는 면광원인 직하형 또는 대향 엣지 라이트형 백라이트를 구비하는 것을 특징으로 하는 사각형의 액정 표시 모듈.
- 제 9 항에 있어서, 상기 광학 유닛의 반사 편광판이 액정 표시 소자의 이면 측 편광판으로 되어 있는 것을 특징으로 하는 액정 표시 모듈.
- 제 9 항에 있어서, 상기 액정 표시 소자와 백라이트 사이에 다른 광학 시트 를 구비하고 있으며,이 이외의 광학 시트의 기재 필름으로 저 리타데이션 필름이 사용되고 있는 것을 특징으로 하는 액정 표시 모듈.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006175809A JP2008003514A (ja) | 2006-06-26 | 2006-06-26 | 光学ユニット及び液晶表示モジュール |
JPJP-P-2006-00175809 | 2006-06-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070122367A true KR20070122367A (ko) | 2007-12-31 |
KR100899995B1 KR100899995B1 (ko) | 2009-05-29 |
Family
ID=38626379
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020070057173A KR100899995B1 (ko) | 2006-06-26 | 2007-06-12 | 광학 유닛 및 액정 표시 모듈 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8928843B2 (ko) |
EP (1) | EP1873579A1 (ko) |
JP (1) | JP2008003514A (ko) |
KR (1) | KR100899995B1 (ko) |
CN (1) | CN101097348A (ko) |
TW (1) | TW200807029A (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100909222B1 (ko) * | 2006-05-09 | 2009-07-23 | 케이와 인코포레이티드 | 광학 시트용 기재 필름, 광학 시트 및 액정 표시 모듈 |
KR101290585B1 (ko) * | 2009-12-15 | 2013-07-30 | 엘지디스플레이 주식회사 | 투명표시소자 |
Families Citing this family (19)
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JP2007065160A (ja) * | 2005-08-30 | 2007-03-15 | Keiwa Inc | 光学シート用基材フィルム、光学シート及びバックライトユニット |
KR100960556B1 (ko) * | 2008-05-27 | 2010-06-03 | 엘지전자 주식회사 | 광학시트 및 이를 이용한 액정표시장치 |
EP2128661A1 (en) | 2008-05-27 | 2009-12-02 | LG Electronics Inc. | Optical sheet and liquid crystal display including the same |
US7956954B2 (en) | 2008-05-28 | 2011-06-07 | Lg Electronics Inc. | Optical sheet, backlight unit, and liquid crystal display |
KR100945392B1 (ko) * | 2008-05-28 | 2010-03-04 | 엘지전자 주식회사 | 광학 시트, 이를 포함하는 백라이트 유닛 및 액정표시장치 |
JP2013238867A (ja) * | 2008-06-09 | 2013-11-28 | Sony Corp | 光学フィルムおよびその製造方法、防眩性フィルム、光学層付偏光子、ならびに表示装置 |
JP4530082B2 (ja) * | 2008-07-31 | 2010-08-25 | エプソンイメージングデバイス株式会社 | バックライトユニット、電気光学装置及び電子機器 |
JP2010096916A (ja) * | 2008-10-15 | 2010-04-30 | Keiwa Inc | 光学シート及びこれを用いたバックライトユニット |
JP2012032751A (ja) * | 2010-07-01 | 2012-02-16 | Sumitomo Chemical Co Ltd | 液晶表示装置 |
JP2012198326A (ja) * | 2011-03-18 | 2012-10-18 | Dainippon Printing Co Ltd | 配向膜の製造方法および位相差フィルムの製造方法 |
JP2012242564A (ja) * | 2011-05-18 | 2012-12-10 | Sony Corp | 偏光モジュール及び画像表示装置 |
JP5868642B2 (ja) * | 2011-09-15 | 2016-02-24 | 恵和株式会社 | 光学シート、液晶表示装置用バックライトユニット及び光学シートの製造方法 |
KR20140020493A (ko) * | 2012-08-08 | 2014-02-19 | 삼성디스플레이 주식회사 | 도광판 및 그 제조 방법 |
JP6250278B2 (ja) * | 2012-12-28 | 2017-12-20 | 恵和株式会社 | 光拡散シート及びバックライトユニット |
TWI514049B (zh) * | 2014-04-03 | 2015-12-21 | Ind Tech Res Inst | 顯示器結構 |
CN104914624A (zh) | 2015-06-19 | 2015-09-16 | 京东方科技集团股份有限公司 | 一种导光结构、背光模组和显示装置 |
CN107390307A (zh) * | 2016-05-16 | 2017-11-24 | 惠和株式会社 | 液晶显示装置用光学片、液晶显示装置用背光单元及液晶显示装置用光学片的制造方法 |
JP2017227893A (ja) * | 2016-06-21 | 2017-12-28 | 住友化学株式会社 | 偏光板セット |
US10401553B2 (en) * | 2017-03-21 | 2019-09-03 | Keiwa Inc. | Liquid crystal display device and turning film for liquid crystal display device |
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-
2006
- 2006-06-26 JP JP2006175809A patent/JP2008003514A/ja active Pending
-
2007
- 2007-05-24 TW TW096118458A patent/TW200807029A/zh unknown
- 2007-06-12 KR KR1020070057173A patent/KR100899995B1/ko active IP Right Grant
- 2007-06-20 EP EP07012030A patent/EP1873579A1/en not_active Withdrawn
- 2007-06-25 US US11/821,725 patent/US8928843B2/en active Active
- 2007-06-26 CN CNA2007101262459A patent/CN101097348A/zh active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100909222B1 (ko) * | 2006-05-09 | 2009-07-23 | 케이와 인코포레이티드 | 광학 시트용 기재 필름, 광학 시트 및 액정 표시 모듈 |
KR101290585B1 (ko) * | 2009-12-15 | 2013-07-30 | 엘지디스플레이 주식회사 | 투명표시소자 |
Also Published As
Publication number | Publication date |
---|---|
KR100899995B1 (ko) | 2009-05-29 |
US20080123028A1 (en) | 2008-05-29 |
CN101097348A (zh) | 2008-01-02 |
TW200807029A (en) | 2008-02-01 |
TWI369513B (ko) | 2012-08-01 |
US8928843B2 (en) | 2015-01-06 |
EP1873579A1 (en) | 2008-01-02 |
JP2008003514A (ja) | 2008-01-10 |
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