Electro-optical device

Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

257 56, 359139, G02F 11343

Patent

active

055859496

ABSTRACT:
A display device with over voltage protection circuits having zener diode characteristics. The protection circuits have pairs of TFTs connected to resistive dividers. Each resistive divider provide the voltage set levels for one direction of overvoltage application.

REFERENCES:
patent: 4066918 (1978-01-01), Heunes et al.
patent: 4131928 (1978-12-01), Davis et al.
patent: 4393380 (1983-07-01), Hosokawa et al.
patent: 4523189 (1985-06-01), Takahara et al.
patent: 4803536 (1989-02-01), Tuan
patent: 4876584 (1989-10-01), Taylor
patent: 4897757 (1990-01-01), Tailliet
patent: 4930036 (1990-05-01), Sitch
patent: 5068748 (1991-11-01), Ukai
patent: 5087955 (1992-02-01), Futami
patent: 5144392 (1992-09-01), Brotherton
patent: 5159518 (1992-10-01), Roy
patent: 5204988 (1993-05-01), Sukurai
patent: 5220443 (1993-06-01), Noguchi
The Art of Electronics, Horowitz et al., Cambridge University Press pp. 182-184, 176-177.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Electro-optical device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electro-optical device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electro-optical device will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1996363

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.