Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Patent
1996-11-01
1997-09-23
Hjerpe, Richard
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
345101, 345100, G09G 336
Patent
active
056709730
ABSTRACT:
A method and apparatus for compensating crosstalk in liquid crystal displays is disclosed which involves applying boost voltages to the rows and columns of the display in proportion to the number of ON pixels in a row or column, the number of transition between "ON-and-OFF" or "OFF-and-ON" in each column, and the position of the pixel in a row. "Boost" voltages are applied to each row as it is being actively scanned to provide horizontal crosstalk compensation, while "boost" voltages are applied to each column during the vertical retrace interval of the display sequence to provide vertical crosstalk compensation. In a preferred embodiment, the vertical crosstalk compensation is determined during the vertical retrace interval over several flames.
REFERENCES:
patent: 3725818 (1973-04-01), Nurmohamed et al.
patent: 3955187 (1976-05-01), Bigelow
patent: 4390874 (1983-06-01), Woodside et al.
patent: 4824218 (1989-04-01), Kuro et al.
patent: 4827221 (1989-05-01), Botti et al.
patent: 4873516 (1989-10-01), Castleberry
patent: 5010326 (1991-04-01), Yamazaki et al.
patent: 5033822 (1991-07-01), Ooki et al.
patent: 5070326 (1991-12-01), Yoshimoto et al.
patent: 5088806 (1992-02-01), McCartney et al.
patent: 5130703 (1992-07-01), Fairbanks et al.
patent: 5151690 (1992-09-01), Yamazaki
patent: 5179371 (1993-01-01), Yamazaki
patent: 5307084 (1994-04-01), Yamaguchi et al.
patent: 5438342 (1995-08-01), Yanaguchi
"Cross-Modulation and Disuniformity Reduction in the Addressing of Passive Matrix Displays" By Paolo Maltese pp. 15-20 Sep. 18-20, 1984.
Bassetti, Jr. Chester Floyd
Bindlish Rakesh Kumar
Bril Vlad
Chang Chin-Hsian
Cirrus Logic Inc.
Hjerpe Richard
Lao Lun-Yi
LandOfFree
Method and apparatus for compensating crosstalk in liquid crysta does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus for compensating crosstalk in liquid crysta, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for compensating crosstalk in liquid crysta will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1940044