ATE252706T1 - Lichtleiter zur hintergrundbeleuchtung eines flachbildschirms - Google Patents
Lichtleiter zur hintergrundbeleuchtung eines flachbildschirmsInfo
- Publication number
- ATE252706T1 ATE252706T1 AT99660194T AT99660194T ATE252706T1 AT E252706 T1 ATE252706 T1 AT E252706T1 AT 99660194 T AT99660194 T AT 99660194T AT 99660194 T AT99660194 T AT 99660194T AT E252706 T1 ATE252706 T1 AT E252706T1
- Authority
- AT
- Austria
- Prior art keywords
- backlighting
- light
- light guide
- flat screen
- input end
- Prior art date
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
- G02B6/0013—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
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1828—Diffraction gratings having means for producing variable diffraction
-
- 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
- G02B6/0033—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)
- Light Guides In General And Applications Therefor (AREA)
- Liquid Crystal (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Position Input By Displaying (AREA)
- Holo Graphy (AREA)
- Woven Fabrics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI982825A FI106323B (fi) | 1998-12-30 | 1998-12-30 | Taustavalaistuksen valonjohdin litteälle näytölle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE252706T1 true ATE252706T1 (de) | 2003-11-15 |
Family
ID=8553217
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05007478T ATE393406T1 (de) | 1998-12-30 | 1999-12-28 | Lichtleiter zur hintergrundbeleuchtung eines flachbildschirms |
| AT99660194T ATE252706T1 (de) | 1998-12-30 | 1999-12-28 | Lichtleiter zur hintergrundbeleuchtung eines flachbildschirms |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT05007478T ATE393406T1 (de) | 1998-12-30 | 1999-12-28 | Lichtleiter zur hintergrundbeleuchtung eines flachbildschirms |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US7114820B1 (de) |
| EP (3) | EP1351074A1 (de) |
| AT (2) | ATE393406T1 (de) |
| DE (2) | DE69912233T2 (de) |
| ES (2) | ES2305934T3 (de) |
| FI (1) | FI106323B (de) |
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| US11892717B2 (en) | 2021-09-30 | 2024-02-06 | Reald Spark, Llc | Marks for privacy display |
| EP4476588A4 (de) | 2022-02-09 | 2025-12-31 | Reald Spark Llc | Beobachterverfolgte privatsphärenanzeige |
| TW202332973A (zh) | 2022-02-09 | 2023-08-16 | 美商瑞爾Ｄ斯帕克有限責任公司 | 具均勻減低偏軸亮度之顯示裝置 |
| CN119053908A (zh) | 2022-04-07 | 2024-11-29 | 瑞尔D斯帕克有限责任公司 | 定向显示设备 |
| TW202441227A (zh) | 2023-03-29 | 2024-10-16 | 美商瑞爾Ｄ斯帕克有限責任公司 | 角度濾光片標記 |
| JP2026515841A (ja) | 2023-04-25 | 2026-05-19 | リアルディー スパーク エルエルシー | 切り替え可能なプライバシーディスプレイ |
| WO2025030030A2 (en) | 2023-08-03 | 2025-02-06 | Reald Spark, Llc | Privacy displays |
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-
1998
- 1998-12-30 FI FI982825A patent/FI106323B/fi not_active IP Right Cessation
-
1999
- 1999-12-28 ES ES05007478T patent/ES2305934T3/es not_active Expired - Lifetime
- 1999-12-28 EP EP03012881A patent/EP1351074A1/de not_active Withdrawn
- 1999-12-28 EP EP05007478.0A patent/EP1564568B2/de not_active Expired - Lifetime
- 1999-12-28 AT AT05007478T patent/ATE393406T1/de not_active IP Right Cessation
- 1999-12-28 AT AT99660194T patent/ATE252706T1/de not_active IP Right Cessation
- 1999-12-28 DE DE69912233T patent/DE69912233T2/de not_active Expired - Lifetime
- 1999-12-28 DE DE69938614T patent/DE69938614T2/de not_active Expired - Lifetime
- 1999-12-28 ES ES99660194T patent/ES2209367T3/es not_active Expired - Lifetime
- 1999-12-28 EP EP99660194.4A patent/EP1016817B2/de not_active Expired - Lifetime
- 1999-12-29 US US09/473,765 patent/US7114820B1/en not_active Expired - Lifetime
-
2005
- 2005-03-14 US US11/079,635 patent/US7192175B2/en not_active Expired - Lifetime
-
2006
- 2006-04-14 US US11/404,976 patent/US7712942B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20060187677A1 (en) | 2006-08-24 |
| DE69912233T2 (de) | 2004-08-19 |
| FI982825L (fi) | 2000-07-01 |
| ES2305934T3 (es) | 2008-11-01 |
| FI982825A0 (fi) | 1998-12-30 |
| US7192175B2 (en) | 2007-03-20 |
| EP1016817B1 (de) | 2003-10-22 |
| EP1564568B1 (de) | 2008-04-23 |
| US20050213348A1 (en) | 2005-09-29 |
| DE69938614T2 (de) | 2009-06-10 |
| EP1016817B2 (de) | 2014-10-01 |
| EP1016817A1 (de) | 2000-07-05 |
| DE69938614D1 (de) | 2008-06-05 |
| ES2209367T3 (es) | 2004-06-16 |
| DE69912233D1 (de) | 2003-11-27 |
| FI106323B (fi) | 2001-01-15 |
| ATE393406T1 (de) | 2008-05-15 |
| EP1564568A1 (de) | 2005-08-17 |
| US7712942B2 (en) | 2010-05-11 |
| EP1351074A1 (de) | 2003-10-08 |
| US7114820B1 (en) | 2006-10-03 |
| EP1564568B2 (de) | 2014-10-01 |
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| Date | Code | Title | Description |
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| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |