DE69423044D1 - Flächenartige Lichtquelle - Google Patents
Flächenartige LichtquelleInfo
- Publication number
- DE69423044D1 DE69423044D1 DE69423044T DE69423044T DE69423044D1 DE 69423044 D1 DE69423044 D1 DE 69423044D1 DE 69423044 T DE69423044 T DE 69423044T DE 69423044 T DE69423044 T DE 69423044T DE 69423044 D1 DE69423044 D1 DE 69423044D1
- Authority
- DE
- Germany
- Prior art keywords
- light source
- flat light
- flat
- source
- light
- 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.)
- Expired - Fee Related
Links
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
- 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
- G02B6/0055—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
- G02B6/0058—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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19940115016 EP0703404B1 (de) | 1994-09-23 | 1994-09-23 | Flächenartige Lichtquelle |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69423044D1 true DE69423044D1 (de) | 2000-03-23 |
DE69423044T2 DE69423044T2 (de) | 2000-06-08 |
Family
ID=8216314
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE1994623044 Expired - Fee Related DE69423044T2 (de) | 1994-09-23 | 1994-09-23 | Flächenartige Lichtquelle |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0703404B1 (de) |
DE (1) | DE69423044T2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103777268B (zh) * | 2014-01-22 | 2016-05-04 | 福州大学 | 一种提高导光板网版耐印率及透过性的方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6057049B2 (ja) * | 1980-07-28 | 1985-12-13 | 住友電気工業株式会社 | 開口数変換用凸レンズ |
JP2640578B2 (ja) * | 1991-02-27 | 1997-08-13 | シャープ株式会社 | 液晶用照明装置 |
JP3184219B2 (ja) * | 1991-09-27 | 2001-07-09 | 康博 小池 | 光散乱導光体とその製造方法及び応用光学装置 |
EP0797045B1 (de) * | 1993-02-01 | 1999-05-12 | Tosoh Corporation | Hintergrundbeleuchtungseinrichtung |
-
1994
- 1994-09-23 DE DE1994623044 patent/DE69423044T2/de not_active Expired - Fee Related
- 1994-09-23 EP EP19940115016 patent/EP0703404B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0703404B1 (de) | 2000-02-16 |
EP0703404A1 (de) | 1996-03-27 |
DE69423044T2 (de) | 2000-06-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |