Title:
一貫した色質のための色混合方法
Document Type and Number:
Japanese Patent JP2012503273
Kind Code:
A
Abstract:
The present invention relates to a light emitting device (100; 300; 400; 500) comprising at least two light emitting diodes (101; 301; 401; 501) and a first optical layer (102; 302; 402; 502) comprising a plurality of lenses (103; 303). The first optical layer (102; 302; 402; 502) is directly illuminated by the light emitting diodes (101; 301; 401; 501) and is adapted to create a plurality of images (104) of the light emitting diodes (101; 301; 401; 501). A device of the present invention provides an improved color quality in the far-field and is suitable for large area applications.
Inventors:
Klein Marcelinus PC M
Fan Golcom Ramon Pea
Fissenberg Michel JM
Willemsen Oscar H
Fan Golcom Ramon Pea
Fissenberg Michel JM
Willemsen Oscar H
Application Number:
JP2011526615A
Publication Date:
February 02, 2012
Filing Date:
September 11, 2009
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
F21S2/00; F21V5/00; F21V5/04; F21V9/16; F21V9/40; F21Y101/02
Attorney, Agent or Firm:
Susumu Tsugaru
Fueda Shusen
Sakiko Shibata
Fueda Shusen
Sakiko Shibata