Planar electrochromic dimmer
US4927246A · kind A · utility
45Cited by
8References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1988 |
| Grant date | May 22, 1990 |
| Priority date | — |
| Expiry date | Aug 12, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/055
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present invention relates to a planar electrochromic dimmer used in dimming devices such as car sun roofs, and others having a structure comprising; a pair of bases, each comprising a transparent electrode film provided on each of a pair of bases, and arranged such that both transparent electrode films are facing each other, an electrolyte provided between the two electrode-equipped bases, a color-forming layer provided on at least one of the electrode-equipped bases, and a thin film with a visible ray transmittivity of 20-60% provided on at least one of the bases or the transaprent electrode films.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.