Invention Grant
US08493329B2 Keypad assembly using optical shutter and light guide panel and portable terminal having the same
有权
使用光学快门和导光板的键盘组件和具有相同功能的便携式终端
- Patent Title: Keypad assembly using optical shutter and light guide panel and portable terminal having the same
- Patent Title (中): 使用光学快门和导光板的键盘组件和具有相同功能的便携式终端
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Application No.: US12712830Application Date: 2010-02-25
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Publication No.: US08493329B2Publication Date: 2013-07-23
- Inventor: Sun-Tae Jung , Sung-Soo Park
- Applicant: Sun-Tae Jung , Sung-Soo Park
- Applicant Address: KR
- Assignee: Samsung Electronics Co., Ltd
- Current Assignee: Samsung Electronics Co., Ltd
- Current Assignee Address: KR
- Agency: The Farrell Law Firm, P.C.
- Priority: KR10-2009-0016851 20090227
- Main IPC: G09G5/00
- IPC: G09G5/00
Abstract:
A keypad assembly includes an optical shutter configured to shield or transmit light according to a voltage applied thereto; a light guide panel configured to guide an internal light generated inside of the keypad assembly and coupled to the interior of the light guide panel; and a symbol pattern layer including at least one symbol pattern illuminated by both the internal light irradiated from the light guide panel and an external light from outside of the keypad assembly that has passed through the optical shutter.
Public/Granted literature
- US20100219059A1 KEYPAD ASSEMBLY USING OPTICAL SHUTTER AND LIGHT GUIDE PANEL AND PORTABLE TERMINAL HAVING THE SAME Public/Granted day:2010-09-02
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