Invention Grant
- Patent Title: Light guide panel and optical system including the same
- Patent Title (中): 导光板和光学系统包括相同
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Application No.: US13665301Application Date: 2012-10-31
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Publication No.: US08641258B2Publication Date: 2014-02-04
- Inventor: Takayoshi Suganuma
- Applicant: Enplas Corporation
- Applicant Address: JP Saitama
- Assignee: Enplas Corporation
- Current Assignee: Enplas Corporation
- Current Assignee Address: JP Saitama
- Agency: Law Office of Katsuhiro Arai
- Priority: JP2011-241472 20111102
- Main IPC: F21V8/00
- IPC: F21V8/00
Abstract:
A light guide panel 1 having a reflective sub-wavelength diffraction grating 3 generates zero-order light and minus first-order light in the reflective sub-wavelength diffraction grating 3, extracts the minus first-order light as outgoing light, and transmits the zero-order light to generate new minus first-order light by satisfying the conditional expressions: sin−1(1/n)
Public/Granted literature
- US20130107569A1 LIGHT GUIDE PANEL AND OPTICAL SYSTEM INCLUDING THE SAME Public/Granted day:2013-05-02
Information query
