Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
FRONT PLATE FOR EL ELEMENT AND ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2015/119203
Kind Code:
A1
Abstract:
A front plate for EL elements comprises: a light-transmitting substrate; a high-refractive index layer provided on a first surface of the light-transmitting substrate and having a higher refractive index than the light-transmitting substrate; and an electrically-conductive light-reflecting layer that is laminated on a section corresponding to a non-light-emitting area formed around an island-shaped light-emitting area, in the surface on the opposite side to where the light-transmitting substrate of the high-refractive index layer is provided, said electrically-conductive light-reflecting layer having conductivity and light-reflecting properties.

Inventors:
KAGOTANI AKIHITO (JP)
Application Number:
PCT/JP2015/053264
Publication Date:
August 13, 2015
Filing Date:
February 05, 2015
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
H05B33/02; G02B1/11; H01L51/50; H05B33/22; H05B33/24; H05B33/26; H05B33/28
Domestic Patent References:
WO2011016086A12011-02-10
Foreign References:
JP2013054837A2013-03-21
JP2009152148A2009-07-09
JP2013114802A2013-06-10
JP2011048937A2011-03-10
Other References:
See also references of EP 3104668A4
Attorney, Agent or Firm:
SUZUKI Shirou et al. (JP)
Shiro Suzuki (JP)
Download PDF: