Drive circuit to be used in active matrix type...

Details Drive circuit to be used in active matrix type... Drive circuit to be used in active matrix type...

2005-03-22

2005-03-22

Shalwala, Bipin (Department: 2673)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S076000, C345S077000, C345S204000, C345S205000, C345S206000, C345S210000, C345S214000, C315S169100, C315S169300

Reexamination Certificate

active

06870553

ABSTRACT:
A light-emitting element and a picture signal current supply circuit are formed near each of the crossings of scan lines and signal lines and a charging circuit is provided to precharge the electric capacitance of the light-emitting element with an electric load that is lower than the light-emitting threshold level of the element. With this arrangement, the time that needs to be spent before the light-emitting element, which is an organic EL element, starts emitting light is reduced so that it can be driven at high speed to display an image with tones.

REFERENCES:
patent: 4602192 (1986-07-01), Nomura et al.
patent: 4799224 (1989-01-01), Bottacchi et al.
patent: 5006732 (1991-04-01), Nakamura et al.
patent: 5349595 (1994-09-01), Ogawa et al.
patent: 5723950 (1998-03-01), Wei et al.
patent: 5869949 (1999-02-01), Nishikawa et al.

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