TWI356235B - Light guide for use in planar light source device - Google Patents
Light guide for use in planar light source device Download PDFInfo
- Publication number
- TWI356235B TWI356235B TW094102428A TW94102428A TWI356235B TW I356235 B TWI356235 B TW I356235B TW 094102428 A TW094102428 A TW 094102428A TW 94102428 A TW94102428 A TW 94102428A TW I356235 B TWI356235 B TW I356235B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- light source
- light guide
- source device
- incident end
- Prior art date
Links
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Classifications
-
- 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
- G02F1/29—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 position or the direction of light beams, i.e. deflection
- G02F1/295—Analog deflection from or in an optical waveguide structure]
-
- 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
- G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
-
- 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
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- 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
-
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
- Light Guides In General And Applications Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004021604A JP4553596B2 (ja) | 2004-01-29 | 2004-01-29 | 面光源装置用導光体及びその製造方法並びに面光源装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200535519A TW200535519A (en) | 2005-11-01 |
| TWI356235B true TWI356235B (en) | 2012-01-11 |
Family
ID=34823799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW094102428A TWI356235B (en) | 2004-01-29 | 2005-01-27 | Light guide for use in planar light source device |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP4553596B2 (enExample) |
| KR (2) | KR100927513B1 (enExample) |
| CN (1) | CN1914460B (enExample) |
| TW (1) | TWI356235B (enExample) |
| WO (1) | WO2005073624A1 (enExample) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI368087B (en) | 2008-10-27 | 2012-07-11 | Coretronic Corp | Backlight module and liquid crystal display |
| CN101737725B (zh) * | 2008-11-20 | 2013-03-06 | 中强光电股份有限公司 | 背光模块及液晶显示器 |
| WO2012043828A1 (ja) * | 2010-09-30 | 2012-04-05 | 三菱レイヨン株式会社 | 微細凹凸構造を表面に有するモールド、微細凹凸構造を表面に有する物品の製造方法、物品の用途、虹彩色を発現する積層体および面発光体 |
| WO2020091097A1 (ko) * | 2018-10-30 | 2020-05-07 | 덴탈에이스 주식회사 | 치과 진료용 조명 장치 |
| JP2024094750A (ja) * | 2022-12-28 | 2024-07-10 | 株式会社ジャパンディスプレイ | 表示装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3213496B2 (ja) * | 1994-11-30 | 2001-10-02 | シャープ株式会社 | 照明装置 |
| JPH08184829A (ja) * | 1995-01-04 | 1996-07-16 | Hitachi Ltd | 液晶表示装置の照明構造 |
| JP3064224B2 (ja) * | 1995-11-27 | 2000-07-12 | 松下電工株式会社 | 照明装置 |
| JP3286932B2 (ja) * | 1995-12-14 | 2002-05-27 | 株式会社エンプラス | サイドライト型面光源装置 |
| JP3253001B2 (ja) * | 1995-12-14 | 2002-02-04 | 株式会社エンプラス | サイドライト型面光源装置 |
| JP4308968B2 (ja) * | 1999-04-22 | 2009-08-05 | 日本ライツ株式会社 | 導光板および平面照明装置 |
| JP3965298B2 (ja) * | 2000-12-27 | 2007-08-29 | 三菱化学株式会社 | 発光構造体、発光方法及び照明体 |
| EP1220261A3 (en) * | 2000-12-27 | 2002-07-10 | Mitsubishi Chemical Corporation | Structured lighting material, method to generate incoherent luminescence and illuminator |
| JP4761422B2 (ja) * | 2001-09-07 | 2011-08-31 | 三菱レイヨン株式会社 | 面光源装置及びそれに用いる導光体 |
| US6755678B2 (en) * | 2002-04-22 | 2004-06-29 | Tyco Electronics Corporation | Wire retaining connector block |
| JP4323208B2 (ja) * | 2002-04-22 | 2009-09-02 | 三菱レイヨン株式会社 | 面光源装置及びそれに用いる導光体 |
-
2004
- 2004-01-29 JP JP2004021604A patent/JP4553596B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-26 KR KR1020087008021A patent/KR100927513B1/ko not_active Expired - Fee Related
- 2005-01-26 WO PCT/JP2005/001002 patent/WO2005073624A1/ja not_active Ceased
- 2005-01-26 KR KR1020067017370A patent/KR20060126797A/ko not_active Ceased
- 2005-01-26 CN CN2005800033945A patent/CN1914460B/zh not_active Expired - Fee Related
- 2005-01-27 TW TW094102428A patent/TWI356235B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR20060126797A (ko) | 2006-12-08 |
| WO2005073624A1 (ja) | 2005-08-11 |
| CN1914460B (zh) | 2011-07-20 |
| TW200535519A (en) | 2005-11-01 |
| JP4553596B2 (ja) | 2010-09-29 |
| CN1914460A (zh) | 2007-02-14 |
| KR100927513B1 (ko) | 2009-11-17 |
| JP2005216665A (ja) | 2005-08-11 |
| KR20080035704A (ko) | 2008-04-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |