Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Sun-Tae Jung0
Dong-Hoon Jang0
Joo-Hoon Lee0
Kyoung-Youm Kim0
Byung-Duck Cho0
Date of Patent
December 9, 2008
0Patent Application Number
118204590
Date Filed
June 18, 2007
0Patent Primary Examiner
Patent abstract
A keypad includes a light guide panel, the interior of which light propagates through; at least one key button positioned on the upper surface of the light guide panel; and at least one reflective pattern fixedly positioned with respect to the light guide panel to reflect a part of the light, which propagates through the interior of the light guide panel, towards the key button.
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