Invention Grant
- Patent Title: Light guide sheet and movable contact assembly including the same
- Patent Title (中): 导光片和包括其的可动触头组件
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Application No.: US12506585Application Date: 2009-07-21
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Publication No.: US08388157B2Publication Date: 2013-03-05
- Inventor: Naoki Tatehata , Nobuhisa Takahashi , Masahiro Ito , Makoto Sadakane , Shinji Ohkawa
- Applicant: Naoki Tatehata , Nobuhisa Takahashi , Masahiro Ito , Makoto Sadakane , Shinji Ohkawa
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Pearne & Gordon LLP
- Priority: JP2008-190563 20080724; JP2008-190564 20080724
- Main IPC: H04M1/22
- IPC: H04M1/22
Abstract:
A light guide sheet includes a material sheet having a film shape, first and second illuminations portion provided on the material sheet for diffusing light. The material sheet has a slit having substantially a strip shape provided therein and provided around the first illumination portion. The slit has a first edge and a second edge opposite to the first edge. The first edge faces the first illumination portion. The material sheet includes a first bridge and a second bridge linking the first edge of the first slit to the second edge across the first slit. This light guide sheet provides a movable contact assembly which is easily fabricated and provides preferable illuminating.
Public/Granted literature
- US20100020567A1 LIGHT GUIDE SHEET AND MOVABLE CONTACT ASSEMBLY INCLUDING THE SAME Public/Granted day:2010-01-28
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