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Title:
A light source module, a lighting installation, and a lighting system
Document Type and Number:
Japanese Patent JP6041450
Kind Code:
B2
Abstract:
A are provided a light source module. The light source module including a light emitting device configured to emit light in a light emitting direction; and an optical device including a first surface disposed over the light emitting device and having a groove recessed in the light emitting direction in a central portion through which an optical axis of the optical device passes, and a second surface disposed opposite to the first surface and configured to refract light incident through the groove to be emitted to the outside. The optical device includes a plurality of ridges disposed on the second surface and periodically arranged in a direction from the optical axis to an edge of the optical device connected to the first surface.

Inventors:
Hide Ikemoto
Nori Park
Kawaso U
Application Number:
JP2015053555A
Publication Date:
December 07, 2016
Filing Date:
March 17, 2015
Export Citation:
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Assignee:
Samsung Electronics Co.,Ltd.
International Classes:
H01L33/58; F21S10/02; F21V5/00; F21V5/04; H05B44/00
Domestic Patent References:
JP2006114863A
JP2012123984A
JP2011109102A
JP2011091022A
JP3156731U
JP2009258143A
JP2009044016A
JP2009241369A
Attorney, Agent or Firm:
Kyosei International Patent Office