TWI272411B - Surface light-emitting device - Google Patents
Surface light-emitting device Download PDFInfo
- Publication number
- TWI272411B TWI272411B TW092112590A TW92112590A TWI272411B TW I272411 B TWI272411 B TW I272411B TW 092112590 A TW092112590 A TW 092112590A TW 92112590 A TW92112590 A TW 92112590A TW I272411 B TWI272411 B TW I272411B
- Authority
- TW
- Taiwan
- Prior art keywords
- light
- light source
- transmission
- guiding space
- plate
- Prior art date
Links
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Classifications
-
- 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
-
- 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
- G02B6/0051—Diffusing 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
-
- 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
- G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
- G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
-
- 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
- G02B6/0065—Manufacturing aspects; Material aspects
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002148622A JP4040364B2 (ja) | 2002-05-23 | 2002-05-23 | 面発光装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200409977A TW200409977A (en) | 2004-06-16 |
| TWI272411B true TWI272411B (en) | 2007-02-01 |
Family
ID=29561187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW092112590A TWI272411B (en) | 2002-05-23 | 2003-05-08 | Surface light-emitting device |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1506438A1 (ja) |
| JP (1) | JP4040364B2 (ja) |
| KR (1) | KR20050004205A (ja) |
| CN (1) | CN1312498C (ja) |
| AU (1) | AU2003225098A1 (ja) |
| TW (1) | TWI272411B (ja) |
| WO (1) | WO2003100481A1 (ja) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0222810D0 (en) * | 2002-10-02 | 2002-11-06 | 3M Innovative Properties Co | Light source assembly and light-guide light suitable for an illuminated display |
| KR100829015B1 (ko) * | 2006-08-22 | 2008-05-14 | 엘지전자 주식회사 | 면 광원 장치, 이를 구비한 백라이트 유닛 및 액정 표시장치 |
| JP4538674B2 (ja) * | 2007-07-26 | 2010-09-08 | 株式会社オプトデザイン | 面照明ユニット、面照明光源装置、面照明装置および面照明ユニットの製造用展開基板 |
| JP5792464B2 (ja) * | 2008-02-22 | 2015-10-14 | スリーエム イノベイティブ プロパティズ カンパニー | 選択的出力光束分布を有するバックライト及びそれを使用した表示システム並びにバックライトの形成方法 |
| CN102383555A (zh) * | 2011-10-11 | 2012-03-21 | 常熟市华夏建筑节能材料有限公司 | 一种节能天花板 |
| TWI503608B (zh) * | 2013-10-30 | 2015-10-11 | Au Optronics Corp | 平面光源產生裝置 |
| CN112996302B (zh) * | 2019-12-13 | 2022-08-16 | 华硕电脑股份有限公司 | 电子装置 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4460940A (en) * | 1981-11-07 | 1984-07-17 | Kei Mori | Apparatus for uniform illumination employing light diffuser |
| JP3271695B2 (ja) * | 1996-09-20 | 2002-04-02 | シャープ株式会社 | バックライト光源および液晶表示装置 |
| JP2001338508A (ja) * | 2000-03-24 | 2001-12-07 | Nec Corp | 背面光源およびそれを用いた表示装置 |
| JP4023079B2 (ja) * | 2000-08-31 | 2007-12-19 | 株式会社日立製作所 | 面状照明装置及びこれを備えた表示装置 |
-
2002
- 2002-05-23 JP JP2002148622A patent/JP4040364B2/ja not_active Expired - Fee Related
-
2003
- 2003-04-22 AU AU2003225098A patent/AU2003225098A1/en not_active Abandoned
- 2003-04-22 EP EP03721805A patent/EP1506438A1/en not_active Withdrawn
- 2003-04-22 CN CNB038150697A patent/CN1312498C/zh not_active Expired - Fee Related
- 2003-04-22 WO PCT/US2003/012310 patent/WO2003100481A1/en not_active Ceased
- 2003-04-22 KR KR10-2004-7018919A patent/KR20050004205A/ko not_active Ceased
- 2003-05-08 TW TW092112590A patent/TWI272411B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003346527A (ja) | 2003-12-05 |
| CN1312498C (zh) | 2007-04-25 |
| WO2003100481A1 (en) | 2003-12-04 |
| TW200409977A (en) | 2004-06-16 |
| EP1506438A1 (en) | 2005-02-16 |
| JP4040364B2 (ja) | 2008-01-30 |
| KR20050004205A (ko) | 2005-01-12 |
| CN1666121A (zh) | 2005-09-07 |
| AU2003225098A1 (en) | 2003-12-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |