Electro-luminescence display panel and driving method thereof

Details Electro-luminescence display panel and driving method thereof Electro-luminescence display panel and driving method thereof

2005-03-31

2011-10-11

Sim, Yong H (Department: 2629)

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

C345S077000

Reexamination Certificate

active

08035580

ABSTRACT:
An electro-luminescence display panel and a driving method thereof for preventing a life shortening of the EL caused by a direct current are disclosed. In the electro-luminescence display panel implementing a gray level by a combination of light-emitting periods of sub-frames corresponding to each bit of video data, each of pixels includes an electro-luminescence (EL) cell, and a cell driver for allowing a forward current to be flown into the EL cell in accordance with a supplied data signal in a light-emitting period of the sub-frame while allowing a backward bias to be applied to the EL cell in a non-light-emitting period of the sub-frame.

REFERENCES:
patent: 2003/0057895 (2003-03-01), Kimura
patent: 2003/0103022 (2003-06-01), Noguchi et al.
patent: 2003/0214245 (2003-11-01), Yamazaki et al.
patent: 2004/0075627 (2004-04-01), Ouchi et al.

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