JP2005516239A - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- JP2005516239A JP2005516239A JP2003562712A JP2003562712A JP2005516239A JP 2005516239 A JP2005516239 A JP 2005516239A JP 2003562712 A JP2003562712 A JP 2003562712A JP 2003562712 A JP2003562712 A JP 2003562712A JP 2005516239 A JP2005516239 A JP 2005516239A
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- JP
- Japan
- Prior art keywords
- light transmissive
- light
- display device
- optical waveguide
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0031—Reflecting element, sheet or layer
-
- 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
- G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
- G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
-
- 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
- G02B6/0066—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 characterised by the light source being coupled to the light guide
- G02B6/007—Incandescent lamp or gas discharge lamp
- G02B6/0071—Incandescent lamp or gas discharge lamp with elongated shape, e.g. tube
-
- 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
- G02F1/133615—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
- 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
- G02F1/133616—Front illuminating devices
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Vehicle Body Suspensions (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Planar Illumination Modules (AREA)
Abstract
Description
「反射型ディスプレイ用の小型前方照明」、SID96アプリケーションダイジェスト(43〜46頁)
好ましくは、境界面は、鋸歯状の構造又はプリズム構造を有する。
図は略図であり、縮尺は異なる。対応した部品は、一般的に同じ参照番号が与えられている。
Claims (10)
- 画素の領域に電極が設けられた第1の基板を有する画像表示パネルと、前記画像表示パネルと対向する出射面、及び、少なくとも一つが光の入射面である複数の端面を有する光導波路を含み、光を前記光導波路の前記端面に結合させることが可能である照明システムと、
を含む表示装置であって、
前記光導波路は、2層の光透過層の間に、前記光透過層の材料よりも高い屈折率を持つ光透過材料をそなえ、
前記光透過材料と、前記光透過層のうち前記画像表示パネルから離れている方の第1の光透過層との間の境界面は構造化されている、
表示装置。 - 請求項1に記載の表示装置において、
前記光透過材料と前記光透過層の材料は、共に実質的に光異方性である表示装置。 - 請求項1に記載の表示装置において、
前記第1の光透過層は、前記境界面で構造化されている表示装置。 - 請求項1に記載の表示装置において、
前記境界面は、鋸歯状の構造又はプリズム構造を有する表示装置。 - 請求項1又は2記載の表示装置において、
前記光透過材料は液体であり、
前記光透過層の材料は、ガラス、水晶又は合成材料である、
表示装置。 - 出射面及び複数の端面を有し、前記端面のうちの少なくとも一つは対向した位置にある光の入射面である、光透過材料の光導波路を含み、光を前記光導波路の前記端面に結合することが可能である照明システムであって、
前記光導波路は、2層の光透過層の間に、前記光透過層の材料よりも高い屈折率をもつ光透過材料をそなえ、
前記光透過材料と、前記光透過層のうち前記画像表示パネルから離れている方の第1の光透過層との間の境界面は構造化されている、
照明システム。 - 請求項6に記載の照明システムにおいて、
前記光透過材料と前記光透過層の材料は共に実質的に光異方性である照明システム。 - 請求項6に記載の照明システムにおいて、
前記光透過層の一方は前記境界面で構造化されている照明システム。 - 請求項6に記載の照明システムにおいて、
前記境界面は鋸歯状の構造又はプリズム構造を有する照明システム。 - 請求項6に記載の照明システムにおいて、
前記光透過材料は液体であり、
前記光透過層の材料は、ガラス、水晶又は合成材料である、
照明システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02075313 | 2002-01-25 | ||
PCT/IB2002/005670 WO2003062912A1 (en) | 2002-01-25 | 2002-12-20 | Display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2005516239A true JP2005516239A (ja) | 2005-06-02 |
Family
ID=27589142
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003562712A Pending JP2005516239A (ja) | 2002-01-25 | 2002-12-20 | 表示装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US20050117088A1 (ja) |
EP (1) | EP1472490B1 (ja) |
JP (1) | JP2005516239A (ja) |
KR (1) | KR100911960B1 (ja) |
CN (1) | CN1615449A (ja) |
AT (1) | ATE409833T1 (ja) |
DE (1) | DE60229166D1 (ja) |
WO (1) | WO2003062912A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020016724A (ja) * | 2018-07-24 | 2020-01-30 | 株式会社ジャパンディスプレイ | 表示装置 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI289708B (en) | 2002-12-25 | 2007-11-11 | Qualcomm Mems Technologies Inc | Optical interference type color display |
US7342705B2 (en) | 2004-02-03 | 2008-03-11 | Idc, Llc | Spatial light modulator with integrated optical compensation structure |
US7630123B2 (en) | 2004-09-27 | 2009-12-08 | Qualcomm Mems Technologies, Inc. | Method and device for compensating for color shift as a function of angle of view |
KR20060130999A (ko) | 2005-06-14 | 2006-12-20 | 삼성전자주식회사 | 개선된 도광판, 도광판을 개선한 백라이트 어셈블리 및이를 구비한 표시 장치 |
US8872085B2 (en) | 2006-10-06 | 2014-10-28 | Qualcomm Mems Technologies, Inc. | Display device having front illuminator with turning features |
CN101600901A (zh) | 2006-10-06 | 2009-12-09 | 高通Mems科技公司 | 集成于显示器的照明设备中的光学损失结构 |
US8068710B2 (en) * | 2007-12-07 | 2011-11-29 | Qualcomm Mems Technologies, Inc. | Decoupled holographic film and diffuser |
US8721149B2 (en) | 2008-01-30 | 2014-05-13 | Qualcomm Mems Technologies, Inc. | Illumination device having a tapered light guide |
US9121979B2 (en) | 2009-05-29 | 2015-09-01 | Qualcomm Mems Technologies, Inc. | Illumination devices and methods of fabrication thereof |
EP2633343B1 (en) * | 2010-10-28 | 2018-06-13 | Philips Lighting Holding B.V. | Collimator comprising a prismatic layer stack, and lighting unit comprising such collimator |
US8902484B2 (en) | 2010-12-15 | 2014-12-02 | Qualcomm Mems Technologies, Inc. | Holographic brightness enhancement film |
WO2018181622A1 (ja) * | 2017-03-30 | 2018-10-04 | Agc株式会社 | 振動板として機能する導光板 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1156362A1 (en) * | 1986-05-19 | 2001-11-21 | Seiko Epson Corporation | A liquid crystal display device |
JPH08152526A (ja) * | 1994-11-30 | 1996-06-11 | Sharp Corp | 面照明用シートとこれを用いた装置 |
JPH08271887A (ja) * | 1995-03-29 | 1996-10-18 | Sumitomo Bakelite Co Ltd | 液晶表示装置用調光シート |
EP0868681A1 (en) * | 1996-09-23 | 1998-10-07 | Koninklijke Philips Electronics N.V. | Illumination system for a flat-panel picture display device |
EP0879991A3 (en) * | 1997-05-13 | 1999-04-21 | Matsushita Electric Industrial Co., Ltd. | Illuminating system |
US6618104B1 (en) * | 1998-07-28 | 2003-09-09 | Nippon Telegraph And Telephone Corporation | Optical device having reverse mode holographic PDLC and front light guide |
JP3532119B2 (ja) | 1999-06-01 | 2004-05-31 | 富士通化成株式会社 | フロントライトユニット用導光板 |
EP1166011A1 (en) * | 2000-01-14 | 2002-01-02 | Koninklijke Philips Electronics N.V. | Display device |
JP2002023155A (ja) * | 2000-07-05 | 2002-01-23 | Nitto Denko Corp | 反射型液晶表示装置 |
-
2002
- 2002-12-20 DE DE60229166T patent/DE60229166D1/de not_active Expired - Lifetime
- 2002-12-20 JP JP2003562712A patent/JP2005516239A/ja active Pending
- 2002-12-20 WO PCT/IB2002/005670 patent/WO2003062912A1/en active IP Right Grant
- 2002-12-20 AT AT02791930T patent/ATE409833T1/de not_active IP Right Cessation
- 2002-12-20 US US10/502,406 patent/US20050117088A1/en not_active Abandoned
- 2002-12-20 KR KR1020047011418A patent/KR100911960B1/ko not_active IP Right Cessation
- 2002-12-20 CN CNA028274806A patent/CN1615449A/zh active Pending
- 2002-12-20 EP EP02791930A patent/EP1472490B1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020016724A (ja) * | 2018-07-24 | 2020-01-30 | 株式会社ジャパンディスプレイ | 表示装置 |
WO2020022113A1 (ja) * | 2018-07-24 | 2020-01-30 | 株式会社ジャパンディスプレイ | 表示装置 |
US11073652B2 (en) | 2018-07-24 | 2021-07-27 | Japan Display Inc. | Display device |
JP7118790B2 (ja) | 2018-07-24 | 2022-08-16 | 株式会社ジャパンディスプレイ | 表示装置 |
Also Published As
Publication number | Publication date |
---|---|
ATE409833T1 (de) | 2008-10-15 |
EP1472490A1 (en) | 2004-11-03 |
EP1472490B1 (en) | 2008-10-01 |
KR20040086288A (ko) | 2004-10-08 |
CN1615449A (zh) | 2005-05-11 |
KR100911960B1 (ko) | 2009-08-13 |
DE60229166D1 (de) | 2008-11-13 |
WO2003062912A1 (en) | 2003-07-31 |
US20050117088A1 (en) | 2005-06-02 |
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