Light-emitting display panel
US6118210A · kind A · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 1, 1998 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Jul 1, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F9/33
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light-emitting display panel comprising an opaque background having a front face of dark color fitted with a plurality of light-emitting elements, the front face and the light-emitting elements being covered by a front optical filter. The front optical filter is a substantially neutral absorbant filter having a transmission coefficient lying in the range 10% to 60% over substantially the entire visible light spectrum, the display panel not having any other optical filter interposed between the background and the front optical filter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.