Title:
発光装置および電子機器
Document Type and Number:
Japanese Patent JP4531341
Kind Code:
B2
Abstract:
When materials of a cathode and an anode are transparent and a substrate with transparency is used for a substrate and a sealing substrate, luminescence from a layer including an organic compound can simultaneously perform two ways of display: luminescence passing a cathode and luminescence transmitted in an anode. However, interference effect by an optical distance difference results in difference in optical characteristics (such as a color tone) between luminescence from a top surface and luminescence from a bottom surface. According to the present invention, a light-emitting device having luminescence from a top surface and luminescence from a bottom surface provides both luminescence to a top surface and luminescence to a bottom surface with an image display having an uniform color tone and of high quality by regulating a film thickness of a transparent conductive film disposed on a cathode side and a film thickness of a cathode.
Inventors:
Shunpei Yamazaki
Hiromitsu Goto
Junichiro Sakata
Kaoru Tsuchiya
Hiromitsu Goto
Junichiro Sakata
Kaoru Tsuchiya
Application Number:
JP2003053944A
Publication Date:
August 25, 2010
Filing Date:
February 28, 2003
Export Citation:
Assignee:
Semiconductor Energy Laboratory Co., Ltd.
International Classes:
H05B33/12; G09F9/30; G09G3/30; H01J1/62; H01J63/04; H01L27/32; H01L51/50; H01L51/52; H05B33/14; H05B33/28
Domestic Patent References:
| JP2002025779A |
Attorney, Agent or Firm:
Shinichi Tamaki