Electrowetting display device with color filtering spacers
US10444490B1 · kind B1 · utility
2Cited by
0References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2017 |
| Grant date | Oct 15, 2019 |
| Priority date | — |
| Expiry date | Aug 17, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2300/0469
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A display device including a first support plate and an opposing second support plate. A first pixel is positioned between the first support plate and the second support plate. A spacer structure is coupled to the second support plate and associated with the first pixel. The spacer structure allows propagation of light having a first wavelength and prevents propagation of light having a second wavelength.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.