Computer graphics processing and selective visual display system – Plural physical display element control system – Display elements arranged in matrix
Reexamination Certificate
2007-05-08
2007-05-08
Tran, Henry N. (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Display elements arranged in matrix
C345S082000, C345S211000, C349S061000, C349S068000, C362S011000
Reexamination Certificate
active
11002289
ABSTRACT:
The present invention provides a method for modulating backlight sources for flat panel displays (FPD), which comprises: lowing steps: step31: turning on a display screen; step32: identifying whether the total number of the BLL groups provided on the backlight module is an odd number or an even number; step33: turning on the one BLL group located at the center-most region of the backlight module while the total number of the BLL groups is an odd number; step34: turning on the two BLL groups located at the center-most region of the screen while the total number of the BLL groups is an even number; step35: turning on the two backlight groups located at the two outer side of the center turned-on backlight groups while turning off the center turned-on backlight groups, and similarly, progressing the turning-on and the turning-off from the center region to the two outer edge of the backlight module and then reverse-progressing respectively from the two edges to the center region, so as to complete a full cycle; step36: determining whether the display screen is off; if so, the process proceeds to step (37); otherwise, the process goes to step (31); and step37: ending the process.
REFERENCES:
patent: 6020867 (2000-02-01), Shimada et al.
patent: 6956556 (2005-10-01), Yajima et al.
patent: 2003/0122771 (2003-07-01), Sumiyoshi et al.
Chang Bou Chi
Chang Chung-Yi
Chang Wei-Jen
Liou Chang Ho
Industrial Technology Research Institute
Tran Henry N.
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