Title:
拡散光を発するための発光素子
Document Type and Number:
Japanese Patent JP2014509433
Kind Code:
A
Abstract:
A light-emitting device which has a plate-shaped light guide (102) having front and rear surfaces (106, 108), being major surfaces, and edge surfaces (110, 112, 114, 116); and a light source (104) arranged at the plate-shaped light guide at such a position that the generated light is entered into the plate-shaped light guide and propagates in a substantial direction of propagation that is parallel with the front surface. At least a portion of the plate-shaped light guide includes a three-dimensional surface structure (118) arranged to provide a controlled light output through at least one of the front and rear surfaces and at least one of the edge surfaces. The controlled light output is controlled in terms of light output characteristics.
Inventors:
Van der Lance Dorienkato
Sartels Baltic Andre
Sartels Baltic Andre
Application Number:
JP2013532300A
Publication Date:
April 17, 2014
Filing Date:
October 03, 2011
Export Citation:
Assignee:
KONINKLIJKE PHILIPS N.V.
International Classes:
F21S2/00; F21Y101/02
Foreign References:
| US20090116241A1 | 2009-05-07 |
Attorney, Agent or Firm:
Susumu Tsugaru
Fueda Shusen
Fueda Shusen