Capacitance substrate for a liquid crystal device and a projection type display device
US6573955B2 · kind B2 · utility
30Cited by
14References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2002 |
| Grant date | Jun 3, 2003 |
| Priority date | — |
| Expiry date | Mar 15, 2022 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/136209
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Placement of a first light shielding film (7) at least below the channel region (1c) of a TFT which drives a pixel, and of a second light shielding film (3) above the same prevents impingement of light coming from above or from below on that channel region (1c). Further, a second light shielding film (3) is formed to cover the channel region (1c) and the first light shielding film (7), thereby to prevent the surface of the first light shielding film (7) from direct exposure to light.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.