发明名称 |
Light guide plates and backlight module |
摘要 |
A light guide plate includes a body having a bottom surface and a light output surface opposite to the bottom surface. A reflector is located on the light output surface opposite to the center of the bottom surface. The reflector is a cavity concaved from the light output surface to the inside of the body. A plurality of scattering dots are located on the bottom surface. The scattering dots are arranged in the form of a plurality of concentric circles around the center of the bottom surface. The number of the scattering dots is defined based on a radius of the circle they reside on, and the radius of the circle is greater than or substantially equal to 4 millimeter. |
申请公布号 |
US8070345(B2) |
申请公布日期 |
2011.12.06 |
申请号 |
US20090544709 |
申请日期 |
2009.08.20 |
申请人 |
ZHANG HE;ZHU JUN;ZHAO YAN;JIN GUO-FAN;TSINGHUA UNIVERSITY;HON HAI PRECISION INDUSTRY CO., LTD. |
发明人 |
ZHANG HE;ZHU JUN;ZHAO YAN;JIN GUO-FAN |
分类号 |
F21V7/04 |
主分类号 |
F21V7/04 |
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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