发明名称 |
Keypad assembly using optical shutter and light guide panel and portable terminal having the same |
摘要 |
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.
|
申请公布号 |
US8493329(B2) |
申请公布日期 |
2013.07.23 |
申请号 |
US20100712830 |
申请日期 |
2010.02.25 |
申请人 |
JUNG SUN-TAE;PARK SUNG-SOO;SAMSUNG ELECTRONICS CO., LTD |
发明人 |
JUNG SUN-TAE;PARK SUNG-SOO |
分类号 |
G09G5/00 |
主分类号 |
G09G5/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|