Invention Application
- Patent Title: REFLECTING SHEET AND OPTICAL TOUCH DEVICE USING THE SAME
- Patent Title (中): 使用它的反光片和光触控器件
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Application No.: US13472469Application Date: 2012-05-15
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Publication No.: US20120319998A1Publication Date: 2012-12-20
- Inventor: Hung-Ching Lai , Cheng-Nan Tsai
- Applicant: Hung-Ching Lai , Cheng-Nan Tsai
- Applicant Address: TW Hsinchu City
- Assignee: PixArt Imaging Inc.
- Current Assignee: PixArt Imaging Inc.
- Current Assignee Address: TW Hsinchu City
- Priority: TW100121109 20110616
- Main IPC: G06F3/042
- IPC: G06F3/042 ; G02B27/14
Abstract:
A reflecting sheet includes a base, a plurality of protruding structure and a plurality of reflecting micro structures. The base has a first surface. The protruding structures are disposed on the first surface of the base. The reflecting micro structures are disposed on the protruding structures. An optical touch device using the reflecting sheet is also provided. The reflecting sheet can effectively reflect incident light rays with different incident angles. The optical touch device has simple structure and is easily assembled.
Information query
