Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2005-10-18
2005-10-18
Tran, Henry N. (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C345S173000, C345S102000, C178S018110, C200S0050EA, C200S314000, C200S317000, C040S542000, C040S544000, C340S815400, C340S815480, C340S815490, C340S815530, C379S368000, C313S506000, C313S509000, C313S511000
Reexamination Certificate
active
06956561
ABSTRACT:
A keypad backlighting apparatus includes an electroluminescence layer for lighting an input device of an electronic apparatus. The input device may be a keypad and the electronic apparatus may be a mobile communications terminal. The terminal includes an upper case having a plurality of button holes formed in a predetermined pattern, electroluminescence (EL) keypad on a lower surface of the upper case and having buttons exposed through the button holes. A printed circuit board (PCB) installed adjacent the EL keypad includes a backlight driving circuit for supplying power to the EL keypad. A lower case of the terminal is coupled to the upper case and supports the EL keypad and the PCB.
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Chinese Office Action dated Mar. 5, 2004 with English language translation.
Fleshner & Kim LLP
LG Electronics Inc.
Tran Henry N.
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