Invention Grant
- Patent Title: Optical plate having triangular pyramidal depressions and backlight module using the same
- Patent Title (中): 具有三角锥形凹陷的光学板和使用其的背光模块
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Application No.: US12319045Application Date: 2008-12-31
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Publication No.: US07993020B2Publication Date: 2011-08-09
- Inventor: Shao-Han Chang
- Applicant: Shao-Han Chang
- Applicant Address: TW Tu-Cheng, New Taipei
- Assignee: Hon Hai Precision Industry Co., Ltd.
- Current Assignee: Hon Hai Precision Industry Co., Ltd.
- Current Assignee Address: TW Tu-Cheng, New Taipei
- Agent Clifford O. Chi
- Priority: CN200810302545 20080704
- Main IPC: F21V13/04
- IPC: F21V13/04 ; F21V5/02
Abstract:
An optical plate includes a light output surface and a bottom surface opposite to the light output surface. The light output surface defines a plurality of triangular pyramidal depressions and a plurality of four-sided pyramidal depressions. Each four-sided pyramidal depression is surrounded by four triangular pyramidal depressions.
Public/Granted literature
- US20100002416A1 Optical plate and backlight module using the same Public/Granted day:2010-01-07
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