Title:
LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2016046245
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a light-emitting display device preventing a mixed color from occurring thereby to be improved in display quality.SOLUTION: A light-emitting display device includes: a substrate on which a plurality of pixels are disposed; a first electrode formed on the substrate for each pixel; a pixel defining film defining each of the pixels on the substrate and having an opening to expose the first electrode; a charge injection layer formed on the first electrode; a surface processing layer formed to extend from the inside of the opening of the pixel defining film to a top surface of the pixel defining film on the charge injection layer and including a plurality of grooves formed in a portion extending on the top surface of the pixel defining film; a charge transport layer formed on the surface processing layer; a light-emitting layer formed on the charge transport layer; and a second electrode formed on the light-emitting layer.SELECTED DRAWING: Figure 2
Inventors:
KIM GEUN TAK
Application Number:
JP2015093265A
Publication Date:
April 04, 2016
Filing Date:
April 30, 2015
Export Citation:
Assignee:
SAMSUNG DISPLAY CO LTD
International Classes:
H05B33/12; H01L51/50; H05B33/10; H05B33/22
Domestic Patent References:
| JP2007311235A | 2007-11-29 | |||
| JP2015053215A | 2015-03-19 |
Foreign References:
| WO2010109877A1 | 2010-09-30 | |||
| US20140131684A1 | 2014-05-15 | |||
| US20130187163A1 | 2013-07-25 |
Attorney, Agent or Firm:
Takahashi Hayashi & Partners