CH610487B5 - - Google Patents
Info
- Publication number
- CH610487B5 CH610487B5 CH181376A CH181376A CH610487B5 CH 610487 B5 CH610487 B5 CH 610487B5 CH 181376 A CH181376 A CH 181376A CH 181376 A CH181376 A CH 181376A CH 610487 B5 CH610487 B5 CH 610487B5
- Authority
- CH
- Switzerland
Links
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
- G02F1/01—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
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/563,928 US3994564A (en) | 1975-03-31 | 1975-03-31 | Light pipe reflector for use in liquid crystal or other display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH610487GA3 CH610487GA3 (instruction) | 1979-04-30 |
| CH610487B5 true CH610487B5 (instruction) | 1979-10-15 |
Family
ID=24252470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH181376A CH610487B5 (instruction) | 1975-03-31 | 1976-02-13 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3994564A (instruction) |
| CH (1) | CH610487B5 (instruction) |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH600471A5 (instruction) * | 1976-06-24 | 1978-06-15 | Bbc Brown Boveri & Cie | |
| AT351615B (de) * | 1975-12-03 | 1979-08-10 | Siemens Ag | Anordnung zur passiven helligkeitsverstaerkung von ein- oder mehrfarbigen anzeigevor- richtungen |
| CH608934B5 (de) * | 1976-06-03 | 1979-10-31 | Bbc Brown Boveri & Cie | Elektro-optische anzeigevorrichtung |
| JPS5333132A (en) * | 1976-09-09 | 1978-03-28 | Canon Inc | Illuminating device for camera display |
| GB2019050B (en) * | 1978-03-22 | 1982-08-25 | Citizen Watch Co Ltd | Electronic watch module structure |
| US4252416A (en) * | 1978-10-23 | 1981-02-24 | Societe Suisse Pour L'industrie Horlogere Management Services S.A. | Optical instrument for gathering and distribution of light |
| US4310871A (en) * | 1978-11-06 | 1982-01-12 | Nissan Motor Co., Ltd. | Illuminating device for instrument |
| DE2926341A1 (de) * | 1979-06-29 | 1981-01-29 | Siemens Ag | Anordnung zur helligkeitsverstaerkung von passiven anzeigevorrichtungen |
| US4247928A (en) * | 1979-10-17 | 1981-01-27 | Timex Corporation | Integral lightpipe and display holder for a timepiece |
| USRE33987E (en) * | 1980-03-24 | 1992-07-07 | Seiko Epson Corporation | Backlighted liquid crystal display |
| US4487481A (en) * | 1980-03-24 | 1984-12-11 | Epson Corporation | Backlighted liquid crystal display |
| JPS59119436U (ja) * | 1983-01-29 | 1984-08-11 | 旭光学工業株式会社 | カメラのフアインダ内情報表示装置 |
| US4573766A (en) * | 1983-12-19 | 1986-03-04 | Cordis Corporation | LED Staggered back lighting panel for LCD module |
| JP2595067B2 (ja) * | 1988-08-18 | 1997-03-26 | 東ソー株式会社 | 液晶パネル用バックライト |
| US4978952A (en) * | 1989-02-24 | 1990-12-18 | Collimated Displays Incorporated | Flat screen color video display |
| FR2684476A1 (fr) * | 1991-11-30 | 1993-06-04 | Meitaku Syst Kk | Panneau a eclairage lateral et procede de fabrication de celui-ci. |
| US5349503A (en) * | 1991-12-31 | 1994-09-20 | At&T Bell Laboratories | Illuminated transparent display with microtextured back reflector |
| US5394255A (en) * | 1992-01-27 | 1995-02-28 | Sekisui Kagaku Kogyo Kabushiki Kaisha | Liquid crystal display using a plurality of light adjusting sheets angled at 5 degrees or more |
| US5339179A (en) * | 1992-10-01 | 1994-08-16 | International Business Machines Corp. | Edge-lit transflective non-emissive display with angled interface means on both sides of light conducting panel |
| DE19512079A1 (de) * | 1995-04-03 | 1996-10-10 | Mannesmann Ag | Bildschirmgerät |
| US5760754A (en) * | 1995-12-04 | 1998-06-02 | Motorola, Inc. | Light pipe assembly and electrical device using same |
| US6036327A (en) * | 1997-07-28 | 2000-03-14 | Lucent Technologies Inc. | Transparent display with diffuser backed microtextured illuminating device and method of manufacture therefor |
| US6447135B1 (en) | 1999-10-08 | 2002-09-10 | 3M Innovative Properties Company | Lightguide having a directly secured reflector and method of making the same |
| US6845212B2 (en) * | 1999-10-08 | 2005-01-18 | 3M Innovative Properties Company | Optical element having programmed optical structures |
| US6356391B1 (en) | 1999-10-08 | 2002-03-12 | 3M Innovative Properties Company | Optical film with variable angle prisms |
| US7046905B1 (en) * | 1999-10-08 | 2006-05-16 | 3M Innovative Properties Company | Blacklight with structured surfaces |
| TW551502U (en) * | 2001-09-14 | 2003-09-01 | Chunghwa Picture Tubes Ltd | Lamp tube apparatus of backlight module |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561885A (en) * | 1945-05-31 | 1951-07-24 | Gen Electric | Illuminated dial |
| US3023304A (en) * | 1958-08-07 | 1962-02-27 | Sinclair Oil & Gas Company | Shadow box |
| US3752974A (en) * | 1971-12-13 | 1973-08-14 | Coastal Dynamics Corp | Uniform illumination with edge lighting |
| US3881809A (en) * | 1972-03-10 | 1975-05-06 | Hoffmann La Roche | Reflection system for liquid crystal displays |
| US3840695A (en) * | 1972-10-10 | 1974-10-08 | Westinghouse Electric Corp | Liquid crystal image display panel with integrated addressing circuitry |
| US3864905A (en) * | 1973-11-14 | 1975-02-11 | Hoffmann La Roche | Horological instrument incorporating means for illuminating a liquid crystal display |
-
1975
- 1975-03-31 US US05/563,928 patent/US3994564A/en not_active Expired - Lifetime
-
1976
- 1976-02-13 CH CH181376A patent/CH610487B5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH610487GA3 (instruction) | 1979-04-30 |
| US3994564A (en) | 1976-11-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |