Thin film transistor array having single light shield layer over transistors and gate and drain lines
US5327001A · kind A · utility
243Cited by
28References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1993 |
| Grant date | Jul 5, 1994 |
| Priority date | — |
| Expiry date | Apr 1, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/136227
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A TFT array has a plurality of gate lines and a plurality of drain lines formed on a transparent insulating substrate. The gate lines intersect with the drain lines. TFTs are formed at the intersections of the gate lines and the drain lines. An opaque film is formed above the gate lines, the drain lines, and the TFTs, allowing no passage of light passing through the gaps between the transparent electrode, on the one hand, and the gate and drain lines, on the other hand. Therefore, when the TFT array is incorporated into a liquid-crystal display, the display will display high-contrast images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.