CH1370870A4 - - Google Patents
Info
- Publication number
- CH1370870A4 CH1370870A4 CH1370870DD CH1370870A4 CH 1370870 A4 CH1370870 A4 CH 1370870A4 CH 1370870D D CH1370870D D CH 1370870DD CH 1370870 A4 CH1370870 A4 CH 1370870A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B39/00—Watch crystals; Fastening or sealing of crystals; Clock glasses
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B19/00—Indicating the time by visual means
- G04B19/30—Illumination of dials or hands
- G04B19/32—Illumination of dials or hands by luminescent substances
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G9/00—Visual time or date indication means
- G04G9/0023—Visual time or date indication means by light valves in general
- G04G9/0029—Details
- G04G9/0035—Details constructional
- G04G9/0041—Illumination devices
-
- 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
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
-
- 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
- G02F1/133616—Front illuminating devices
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1370870A CH534916A (fr) | 1970-09-16 | 1970-09-16 | Dispositif d'affichage à cristal liquide pour l'horlogerie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH1370870A4 true CH1370870A4 (US20020095090A1-20020718-M00002.png) | 1972-10-13 |
Family
ID=4394666
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1370870A CH534916A (fr) | 1970-09-16 | 1970-09-16 | Dispositif d'affichage à cristal liquide pour l'horlogerie |
| CH1370870D CH1370870A4 (US20020095090A1-20020718-M00002.png) | 1970-09-16 | 1970-09-16 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1370870A CH534916A (fr) | 1970-09-16 | 1970-09-16 | Dispositif d'affichage à cristal liquide pour l'horlogerie |
Country Status (5)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992081A (en) * | 1969-06-11 | 1976-11-16 | Kabushiki Kaisha Suwa Seikosha | Liquid crystal display device with enhanged contrast |
| US4033672A (en) * | 1971-11-24 | 1977-07-05 | Ing. C. Olivetti & C., S.P.A. Ufficio Brevetti | Liquid crystal devices |
| US3947091A (en) * | 1974-09-19 | 1976-03-30 | Rockwell International Corporation | Reflective display apparatus |
| DE2640909C2 (de) * | 1976-09-10 | 1987-05-07 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anzeigevorrichtung mit einem Strahlungskollektor und -verdichter |
| DE2616669C2 (de) * | 1976-04-15 | 1986-10-09 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Strahlungskollektor und -verdichter in Form einer fluoreszierenden Kunststoffplatte und Anzeigevorrichtung hiermit |
| US4043116A (en) * | 1976-01-29 | 1977-08-23 | Metallprodukte A.G. Grenchen | Timepiece comprising a flat display device exposed through an opening in a case |
| CH609193B5 (fr) * | 1976-02-25 | 1979-08-31 | Ebauches Sa | Cellule d'affichage électro-optique passif et procédé pour sa fabrication |
| DE2660996C2 (de) * | 1976-04-15 | 1986-08-28 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Anzeigevorrichtung mit einem Strahlungskollektor und -verdichter |
| US4124279A (en) * | 1977-07-18 | 1978-11-07 | Hughes Aircraft Company | Reflector focused light trap for a liquid crystal display |
| US4263594A (en) * | 1978-06-19 | 1981-04-21 | Izon Corporation | Electro-optical display design |
| JPS59120983A (ja) * | 1982-12-28 | 1984-07-12 | Matsushita Electric Works Ltd | 太陽電池時計 |
| US5329502A (en) * | 1993-12-10 | 1994-07-12 | Haring Chad T | Light bending watch apparatus |
| GB0028890D0 (en) * | 2000-11-27 | 2001-01-10 | Isis Innovation | Visual display screen arrangement |
| GB0223883D0 (en) * | 2002-10-15 | 2002-11-20 | Seamless Display Ltd | Visual display screen arrangement |
| EP2264687A4 (en) * | 2008-03-31 | 2011-10-19 | Sharp Kk | DISPLAY DEVICE |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH232944A (fr) * | 1943-04-05 | 1944-06-30 | Desfourneaux Eugene | Montre à éclairage dit "radium". |
| GB774577A (en) * | 1952-11-07 | 1957-05-15 | British Thomson Houston Co Ltd | Improvements relating to the illumination of instrument dials |
| US2847970A (en) * | 1955-02-16 | 1958-08-19 | Thomas A Smith | Transilluminated dial |
| CH346178A (fr) * | 1958-04-18 | 1960-04-30 | Kyburz & Cie | Verre pour couvrir le cadran d'un instrument indicateur |
| US3499112A (en) * | 1967-03-31 | 1970-03-03 | Rca Corp | Electro-optical device |
-
1970
- 1970-09-16 CH CH1370870A patent/CH534916A/fr unknown
- 1970-09-16 CH CH1370870D patent/CH1370870A4/xx unknown
-
1971
- 1971-07-19 GB GB3374471A patent/GB1346348A/en not_active Expired
- 1971-07-29 DE DE2138063A patent/DE2138063C3/de not_active Expired
- 1971-08-09 US US00170096A patent/US3768887A/en not_active Expired - Lifetime
- 1971-09-09 FR FR7132556A patent/FR2106550B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3768887A (en) | 1973-10-30 |
| DE2138063A1 (de) | 1972-03-23 |
| GB1346348A (en) | 1974-02-06 |
| DE2138063B2 (de) | 1972-11-23 |
| FR2106550B1 (US20020095090A1-20020718-M00002.png) | 1974-09-06 |
| DE2138063C3 (de) | 1978-12-07 |
| FR2106550A1 (US20020095090A1-20020718-M00002.png) | 1972-05-05 |
| CH534916A (fr) | 1972-10-13 |
