Illuminating arrangement for a field-effect liquid-crystal display as well as fabrication and application of the illuminating arrangement
US4096550A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1976 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Oct 15, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F13/0463
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An illuminating arrangement for a field-effect liquid-crystal display having a transparent plate disposed on the side of the liquid-crystal display away from the observer in which there is a recess formed in a thickened side portion thereof for receiving a light source and wherein the surface of the plate, at least on the side thereof away from the liquid-crystal display, is smooth and the surface next to the liquid-crystal display is provided with a continuous reflecting film of low transparency. Preferably, a reflector also is mounted on the surface of the plate facing away from the liquid-crystal display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.