Title:
COLOR CONVERSION FILTER AND MULTICOLOR LIGHT EMITTING DEVICE USING THIS
Document Type and Number:
Japanese Patent JP2008153073
Kind Code:
A
Abstract:
To provide a color conversion filter, along with a multicolor light emitting device using the same, which contains coumarin compound having a specific structure excellent in durability.
A coumarin compound having a specific structure is synthesized anew, which is used as fluorescent pigment of a color conversion filter. The color conversion filter is coupled with an organic EL element to form a multicolor light emitting device.
Inventors:
KURODA MASAMI
KANAI NAOYUKI
KANAI NAOYUKI
Application Number:
JP2006340249A
Publication Date:
July 03, 2008
Filing Date:
December 18, 2006
Export Citation:
Assignee:
FUJI ELECTRIC HOLDINGS
International Classes:
H05B33/12; H01L51/50; C09B57/02
Attorney, Agent or Firm:
Hiroshi Yamamoto