发明名称 |
LIQUID CRYSTAL DISPLAY TO WHICH INFRARED RAYS SOURCE IS APPLIED AND MULTI-TOUCH SYSTEM USING THE SAME |
摘要 |
There are provided a liquid crystal display (LCD) to which infrared rays (IR) light sources are applied and a multi-touch system using the same. The LCD to which IR light sources are applied includes a back light in which a plurality of lamp light sources and a plurality of IR light sources are repeatedly arranged in column and row directions, a diffusion plate and a plurality of optical sheets arranged on the back light, and an LCD panel provided on the back light to display an image using light incident from the back light.
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申请公布号 |
US2009167656(A1) |
申请公布日期 |
2009.07.02 |
申请号 |
US20080343131 |
申请日期 |
2008.12.23 |
申请人 |
AHN IN-HO;LIM DAE-SAN;CHOI JONG-SEONG;JANG HYUNG-UK;LEE SANG-RAE;BAE SANG-HYUCK;YU BYUNG-CHUN |
发明人 |
AHN IN-HO;LIM DAE-SAN;CHOI JONG-SEONG;JANG HYUNG-UK;LEE SANG-RAE;BAE SANG-HYUCK;YU BYUNG-CHUN |
分类号 |
G06F3/041;G09G3/36 |
主分类号 |
G06F3/041 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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