Patent
1987-12-28
1989-03-14
Heyman, John S.
350336, 350339F, G02F 113
Patent
active
048120170
ABSTRACT:
A pixel electrode arrangement for use in color liquid crystal display devices provides that on every other row the color filter pixels and their associated transparent electrodes are split symmetrically by the data drive line. Data voltages are supplied to the split electrode pair either by two FETs or by an appropriately insulated conductive bridge extending between split electrode pads. The configuration provided exhibits the advantages inherent in a staggered triad color arrangement without the penalty of decreased data bus pitch or of increased bus overlap. Furthermore, the fraction of the total display area utilized by transmitted light is maintained at a high fraction of the total display area.
REFERENCES:
patent: 4600274 (1986-07-01), Morozumi
Tsuruta, S. et al., "Color Pixel Arrangement Evaluation for LC-TV", Conference Record of the 1985 International Display Research Conference, 85CH2239-2, pp. 24-26.
Saito, T., "A High Picture Quality LC-TV Using Triangle Trio-Color Dots Addressed by a-Si TFTs", Conference Record of the 1985 International Display Research Conference, 85CH2239-2, pp. 27-29.
Davis Jr. James C.
Gallivan Richard F.
General Electric Company
Heyman John S.
Krauss Geoffrey H.
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