Computer graphics processing and selective visual display system – Display driving control circuitry – Intensity or color driving control
Reexamination Certificate
2005-05-31
2005-05-31
Lao, Lun-Yi (Department: 2673)
Computer graphics processing and selective visual display system
Display driving control circuitry
Intensity or color driving control
C345S063000, C345S077000, C345S089000, C345S102000, C345S211000, C315S086000
Reexamination Certificate
active
06900820
ABSTRACT:
The refresh rate of an LCD panel is changed as the brightness of the LCD panel changes. When the brightness of the LCD panel is decreased, the refresh rate is also decreased. In addition, whether the power source of the apparatus is AC or DC is determined based on whether an AC adapter is attached or not. When the DC power source is used, the brightness and refresh rate of the LCD panel is lowered with respect to when the AC power source is used.
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patent: PUPA11-194749 (2000-08-01), None
Kataoka Rieko
Kobayashi Masaki
Ogawa Hideki
Takeda Yasumasa
International Business Machines - Corporation
Jennings Derek S.
Lao Lun-Yi
McGinn & Gibb PLLC
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