Invention Grant
- Patent Title: Light-emitting device and lighting apparatus
- Patent Title (中): 发光装置及照明装置
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Application No.: US13823478Application Date: 2012-10-18
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Publication No.: US08950897B2Publication Date: 2015-02-10
- Inventor: Koji Uenoyama , Atusi Ootubo , Hiroyuki Matsumoto
- Applicant: Panasonic Corporation
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2011-254085 20111121
- International Application: PCT/JP2012/006668 WO 20121018
- International Announcement: WO2013/076910 WO 20130530
- Main IPC: F21S4/00
- IPC: F21S4/00 ; F21V21/00 ; F21V29/00 ; H05K1/00 ; H05K1/02 ; F21K99/00 ; F21S8/04 ; F21Y101/02 ; F21Y103/02 ; F21V3/00 ; H05B33/08
Abstract:
A light-emitting device includes: a board; light-emitting elements interconnected in parallel and provided above a top face of the board; light-emitting elements, one of which is connected in series with the light-emitting element and the other of which is connected in series with the light-emitting element, the light-emitting elements being interconnected in parallel; a metal pattern provided continuously under the light-emitting elements, on an undersurface of the board; and a metal pattern provided continuously under the light-emitting elements, and isolated from the first metal pattern.
Public/Granted literature
- US20140111991A1 LIGHT-EMITTING DEVICE AND LIGHTING APPARATUS Public/Granted day:2014-04-24
Information query
