Title:
光束制御部材、発光装置および照明装置
Document Type and Number:
Japanese Patent JP5889065
Kind Code:
B2
Abstract:
A luminous flux control member (120) has: a light input surface (121) having inputted thereto light that has been outputted from a light emitting element (110); a total reflecting surface (122) which totally reflects a part of the light inputted from the light input surface (121); and a light output surface (123), which outputs a part of the light inputted from the light input surface (121), and the light reflected by the total reflecting surface (122). The light output surface (123) of the luminous flux control member (120) has a substantially toroidal shape or a saddle-like shape.
Inventors:
Akinobu Seki
Application Number:
JP2012063533A
Publication Date:
March 22, 2016
Filing Date:
March 21, 2012
Export Citation:
Assignee:
Enplus Inc.
International Classes:
F21S2/00
Domestic Patent References:
| JP200841528A | ||||
| JP2010251073A | ||||
| JP200593622A |
Foreign References:
| WO2011114608A1 |
Attorney, Agent or Firm:
Koichi Washida