Filters of electronic displays
US7242542B2 · kind B2 · utility
1Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 3, 2003 |
| Grant date | Jul 10, 2007 |
| Priority date | — |
| Expiry date | Apr 11, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J2211/44
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A filter of an electronic display device provides a clear image, the filter comprising an squarylium compound represent by formula (II):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.