Invention Grant
US07589923B2 Prism, imaging device and lighting device including the same, and prism manufacturing method
有权
棱镜，成像装置和包括其的照明装置以及棱镜制造方法
- Patent Title: Prism, imaging device and lighting device including the same, and prism manufacturing method
- Patent Title (中): 棱镜，成像装置和包括其的照明装置以及棱镜制造方法
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Application No.: US11792485Application Date: 2006-11-08
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Publication No.: US07589923B2Publication Date: 2009-09-15
- Inventor: Toshiaki Takano , Minoru Onoda , Tomokazu Tokunaga
- Applicant: Toshiaki Takano , Minoru Onoda , Tomokazu Tokunaga
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2005-338477 20051124
- International Application: PCT/JP2006/022259 WO 20061108
- International Announcement: WO2007/060835 WO 20070531
- Main IPC: G02B5/04
- IPC: G02B5/04
Abstract:
A prism 30 includes a prism body 31 formed into a polygonal column. At least one ridge 35 of a plurality of ridges 35 of the prism body 31 is formed into a flat face 37. A joint part 38 between the flat face 37 and at least one 32, 33 of the faces 32, 33 of the prism body 31 which are adjacent to each other with the ridge 35 in the flat face 37 interposed is formed into an R-plane.
Public/Granted literature
- US20080130147A1 Prism, Imaging Device And Lighting Device Including The Same, And Prism Manufacturing Method Public/Granted day:2008-06-05
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