Invention Grant
- Patent Title: Lighting device, and apparatus and system incorporating the lighting device
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Application No.: US15880989Application Date: 2018-01-26
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Publication No.: US10401287B2Publication Date: 2019-09-03
- Inventor: Hitoshi Itoh , Fumihiro Nakashige , Kenji Kobayashi
- Applicant: Hitoshi Itoh , Fumihiro Nakashige , Kenji Kobayashi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2017-012007 20170126; JP2018-011191 20180126
- Main IPC: G01N21/57
- IPC: G01N21/57 ; G03G15/00 ; G01N21/55
Abstract:
A lighting device includes: a light emitting device including a plurality of light emitting elements arranged in curve having a first curvature; and a honeycomb member having an extendable and contractible honeycomb structure, arranged in curve having a second curvature larger than the first curvature, in an emission direction of light emitted from the light emitting device.
Public/Granted literature
- US20180209904A1 LIGHTING DEVICE, AND APPARATUS AND SYSTEM INCORPORATING THE LIGHTING DEVICE Public/Granted day:2018-07-26
Information query
