Invention Grant
- Patent Title: Light-collecting device, light-collecting device group, and solid-state imaging apparatus
- Patent Title (中): 集光装置，集光装置组和固体摄像装置
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Application No.: US13275646Application Date: 2011-10-18
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Publication No.: US08502910B2Publication Date: 2013-08-06
- Inventor: Motonori Ishii
- Applicant: Motonori Ishii
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: McDermott Will & Emery LLP
- Priority: JP2009-102498 20090420
- Main IPC: H04N5/225
- IPC: H04N5/225 ; H04N9/083 ; H04N3/14 ; H04N5/335 ; H04N9/04 ; H01L27/00 ; H01L31/0232 ; G01J3/50 ; H01J5/16
Abstract:
A light-collecting device includes at least one first annular region having a first refractive index, and at least one second annular region having a second refractive index different from the first refractive index, the at least one first annular region and the at least one second annular region are adjacently and alternately arranged in a concentric manner, and at least one of the at least one first annular region and the at least one second annular region includes a gap at a portion where a width of the annular region gradually decreases.
Public/Granted literature
- US20120033126A1 LIGHT-COLLECTING DEVICE, LIGHT-COLLECTING DEVICE GROUP, AND SOLID-STATE IMAGING APPARATUS Public/Granted day:2012-02-09
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