Active liquid-crystal multi-color display panel structure having

Details Active liquid-crystal multi-color display panel structure having Active liquid-crystal multi-color display panel structure having

1988-06-27

1990-11-13

Miller, Stanley D.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

350333, 350334, 350336, 340784, G02F 113

Patent

active

049697188

ABSTRACT:
A liquid-crystal multi-color display panel structure comprising a transparent substrate, pixel electrodes disposed on the substrate to form a matrix having columns each in a first direction and rows each in a second direction perpendicular to the first direction, the pixel electrodes consisting of those of first, second and third types respectively for displaying in first, second and third preselected colors, the pixel electrodes of each of row being each one and a half pitch distance offset from the pixel electrodes of the adjacent row, signal lines disposed between adjacent two columns of the matrix and extending in the first direction, scanning lines disposed in every other intervals between adjacent two rows of the matrix and extending in the second direction, switching transistors each having a first terminal connected to one of the pixel electrodes, a second terminal connected to one of the signal lines, a third terminal connected to one of the scanning lines to control the conductivity between the first and second terminals, the third terminals of the transistors associated with the pixel electrodes of adjacent two rows of the matrix on both sides of the scanning lines being connected to the scanning line between the adjacent two rows, whereby one of the pixel electrodes of the first type in one of the adjacent two rows and each of the pixel electrodes of the second and third types in the other of the adjacent two rows form a generally triangular triad of color display pixels.

REFERENCES:
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patent: 4728172 (1988-03-01), Cannella
patent: 4745406 (1988-05-01), Hayashi et al.
patent: 4775861 (1988-10-01), Saito
patent: 4781438 (1988-11-01), Noguchi
patent: 4791415 (1988-12-01), Takahashi
patent: 4800375 (1989-01-01), Silverstein et al.
patent: 4812017 (1989-03-01), Piper
patent: 4822142 (1989-04-01), Yasui
patent: 4834505 (1989-05-01), Migliorato et al.
patent: 4855724 (1989-08-01), Yang

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