Display device and camera having the display device
US6556179B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1998 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Feb 17, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/13347
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Disclosed is a display device which comprises a pair of plate-like light transmittable members; a display member located so as to form a predetermined pattern between a pair of light transmittable members, the display member being composed of a material whose light transmittance is electrically changed; and a pair of light transmittable electrodes, at least one of a pair of light transmittable electrodes having a shape corresponding to the pattern, a pair of light transmittable electrodes being formed on a pair of light transmittable members and for electrically controlling the material. The camera having the display device comprises illuminating means for illuminating the display portion. The display portion is illuminated in accordance with a luminance of a subject. The illuminating light can be also used for measuring a distance and for illuminating another display element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.