Matrix display and its drive method

Details Matrix display and its drive method Matrix display and its drive method

2005-05-24

2005-05-24

Lao, Lun-yi (Department: 2673)

Computer graphics processing and selective visual display system

Display driving control circuitry

Intensity or color driving control

C345S204000, C345S089000, C345S063000, C345S077000, C345S100000

Reexamination Certificate

active

06897884

ABSTRACT:
In a display device capable of low power and multi-color displaying without raising a frame rate due to increase of display gradations in number by combining a gradation representation through a FRC and a gradation representation system using a pulse width modulation or pulse height modulation method, the gradation representation is executed by a method of pulse width or pulse height modulation in one frame using lower significant N bits to a video signal of M bits, and the display of the gradations is performed by the FRC of the present invention using more significant M−N bits and further using 2M−N−1 frames, and thus the number of the frames required for FRC is reduced to decrease a frame frequency to thereby realize a gradation display with reduction of electric power and suppression of flickers.

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patent: WO-02052534 (2002-07-01), None
patent: WO-02054375 (2002-07-01), None

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