Color display device, vehicle interior/exterior member, lamp for panel light, signboard for display and vehicle
US11623518B2 · kind B2 · utility
0Cited by
2References
46Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 2020 |
| Grant date | Apr 11, 2023 |
| Priority date | — |
| Expiry date | Nov 19, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09F2013/227
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A color display device (D) is provided, including a colored light-transmitting base material (10), a light-blocking base material, and a light source unit (30) that has at least a part located between the colored light-transmitting base material (10) and the light-blocking base material (20), in which the colored light-transmitting base material (10) has a total light transmittance of 18% or less, and in which the light source unit (30) is disposed such that emission light transmits through the colored light-transmitting base material (10), the color display device having excellent designability and high luminance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.