Title:
DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/073670
Kind Code:
A1
Abstract:
Provided is a display device which is suppressed in the occurrence of defects due to etching. A display device which comprises a plurality of pixels that are composed of a plurality of sub-pixels, each comprising a circuit layer, a planarization film which is provided with a plurality of through holes, a connection electrode which is connected to the source via a through hole, and a lower electrode which is electrically connected to the connection electrode, while being patterned by means of an etching liquid. This display device is characterized in that: a plurality of non-effective areas, in each of which a plurality of through holes are arranged in the flowing direction of the etching liquid, and a plurality of effective areas, in each of which the lower electrode is arranged, are contained therein; and the plurality of through holes contained in one non-effective area include at least one through hole that is provided with a connection electrode which is connected to a lower electrode that is arranged on one side of the flowing direction of the etching liquid and at least one through hole that is provided with a connection electrode which is connected to a lower electrode that is arranged on the other side of the flowing direction of the etching liquid.
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Inventors:
KAJIYAMA KENTA (JP)
Application Number:
PCT/JP2018/029099
Publication Date:
April 18, 2019
Filing Date:
August 02, 2018
Export Citation:
Assignee:
JAPAN DISPLAY INC (JP)
International Classes:
G09F9/30; G02F1/1368; G09F9/302; H01L27/32; H01L51/50; H05B33/02; H05B33/12; H05B33/22; H05B33/26
Foreign References:
JP2017126005A | 2017-07-20 | |||
JP2017146463A | 2017-08-24 | |||
JP2016130780A | 2016-07-21 | |||
JP2014041352A | 2014-03-06 | |||
JP2008298966A | 2008-12-11 | |||
JP2007102181A | 2007-04-19 | |||
JP2000267596A | 2000-09-29 | |||
JP2006041161A | 2006-02-09 | |||
US20150236080A1 | 2015-08-20 | |||
JP2016161920A | 2016-09-05 |
Attorney, Agent or Firm:
HARUKA PATENT & TRADEMARK ATTORNEYS (JP)
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