Low-power driven display device

Computer graphics processing and selective visual display system – Display driving control circuitry – Display power source

Reexamination Certificate

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Details

C345S212000

Reexamination Certificate

active

10648789

ABSTRACT:
For a display device having a solar cell and a power buffer for keeping stored electric power, a display system which has a low-power drive mode, self-contained power and no need for recharging or power wiring is provided. The display system includes a solar cell using a thin-film semiconductor, a power storage element for temporarily storing the produced power, a driving circuit, a matrix display unit, a display rewrite instruction unit for inputting screen rewrite and a control circuit and starts rewriting a display when power sufficient to rewrite an image screen is stored in the solar cell. The display device having remarkable portability and no limited battery life, which controls a display mode depending on the power produced by the solar cell, can display even when power generation is low and allows self-contained power even if the storage element has a small capacity, can be obtained.

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Machine translation of JP 2001066573 A.
A.Konno, “Present and future of organic solar cell”,Applied Physics, vol. 71, No. 4, pp. 425-428, issued by Japan Society of Applied Physics Association, Apr. 10, 2002.
Office Action dated Nov. 22, 2005.
Office Action dated May 16, 2006.

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