Computer graphics processing and selective visual display system – Display peripheral interface input device – Including keyboard
Reexamination Certificate
2007-07-10
2007-07-10
Lefkowitz, Sumati (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Including keyboard
C345S168000
Reexamination Certificate
active
10434609
ABSTRACT:
The present invention discloses to a keypad with an EL device for a backlight united with a keypad rubber and a method for fabricating the same for improving a click sensitivity and visibility of keys and preventing a wrong operation of the keys by using a silicon injection process.The method for fabricating a keypad used in a portable terminal, comprises the steps of: fabricating a light-emitting device for a backlight; printing an adhesive on a front side and a back side of the light-emitting device; performing an injection process to form a silicon layer, the silicon layer united with the light-emitting device through the adhesive; cutting the light-emitting device united with the silicon layer in a regular shape suitable to the portable terminal; and attaching keys to portions of the silicon layer corresponding to a light-emitting portion of the front side in the light-emitting device.
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Han Wan Soo
Ko Ho Seok
Lee Sang Hoon
Lee Young Woo
Bushnell , Esq. Robert E.
Hansung Elcomtec Co., Ltd.
Lefkowitz Sumati
Xiao Ke
LandOfFree
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