Cha & Reiter, LLC
Keypad apparatus for electronic device
A keypad apparatus for an electronic device permits a thinner construction. The keypad apparatus includes a first light guide plate having key buttons molded in one body attached onto the first light guide plate, a second light guide plate disposed under the first light guide plate, a first light source disposed at one side of the first light guide plate, a second light source disposed at one side of the second light guide plate, and key input switches associated with the key buttons.
Samsung Electronics Co., Ltd.
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Ji-Young Jin-Hyuk Yong-Jin Tae-Jin Ju-Yup
Jung Choi Lee Yoon Kim