US 11,789,327 B2
Display device comprising a metal wiring between an organic insulating film and a first inorganic insulating film and having a portion overlapping a drain electrode of a thin film transistor
Tohru Sasaki, Mobara (JP); and Takahiro Ochiai, Chiba (JP)
Assigned to Japan Display Inc., Tokyo (JP); and Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Filed by Japan Display Inc., Tokyo (JP); and Panasonic Intellectual Property Corporation of America, Torrance, CA (US)
Filed on May 23, 2022, as Appl. No. 17/750,635.
Application 17/750,635 is a continuation of application No. 17/239,714, filed on Apr. 26, 2021, granted, now 11,385,512.
Application 17/239,714 is a continuation of application No. 16/898,645, filed on Jun. 11, 2020, granted, now 11,016,351, issued on May 25, 2021.
Application 16/898,645 is a continuation of application No. 16/528,008, filed on Jul. 31, 2019, granted, now 10,718,983, issued on Jul. 21, 2020.
Application 16/528,008 is a continuation of application No. 14/985,606, filed on Dec. 31, 2015, granted, now 10,409,122, issued on Sep. 10, 2019.
Application 14/985,606 is a continuation of application No. 14/502,108, filed on Sep. 30, 2014, granted, now 9,261,747, issued on Feb. 16, 2016.
Application 14/502,108 is a continuation of application No. 13/718,467, filed on Dec. 18, 2012, granted, now 8,879,036, issued on Nov. 4, 2014.
Application 13/718,467 is a continuation of application No. 13/550,330, filed on Jul. 16, 2012, granted, now 8,368,830, issued on Feb. 15, 2013.
Application 13/550,330 is a continuation of application No. 12/230,417, filed on Aug. 28, 2008, granted, now 8,253,873, issued on Aug. 28, 2012.
Claims priority of application No. 2007-228412 (JP), filed on Sep. 4, 2007.
Prior Publication US 2022/0283472 A1, Sep. 8, 2022
Int. Cl. G02F 1/1362 (2006.01); G02F 1/1343 (2006.01); G02F 1/1333 (2006.01); G02F 1/1368 (2006.01); G02F 1/1335 (2006.01)
CPC G02F 1/136227 (2013.01) [G02F 1/1368 (2013.01); G02F 1/13439 (2013.01); G02F 1/133345 (2013.01); G02F 1/133512 (2013.01); G02F 1/133514 (2013.01); G02F 1/134363 (2013.01); G02F 1/136213 (2013.01); G02F 1/136286 (2013.01); G02F 1/13629 (2021.01)] 15 Claims
OG exemplary drawing
 
1. A display device comprising:
a first substrate;
an organic insulating film on the first substrate;
a first inorganic insulating film laminated on the organic insulating film;
a signal line between the first substrate and the organic insulating film;
a thin film transistor between the first substrate and the organic insulating film;
a second inorganic insulating film laminated on the first inorganic insulating film;
an alignment film covering the second inorganic insulating film;
a first transparent pixel electrode between the organic insulating film and the alignment film;
a first transparent counter electrode between the organic insulating film and the alignment film;
a metal wiring between the organic insulating film and the alignment film; and a thin film transistor between the first substrate and the organic insulating film, wherein
the metal wiring is connected to the first transparent counter electrode, the organic insulating film is between the first substrate and the first inorganic insulating film,
the first inorganic insulating film is between the organic insulating film and the second inorganic insulating film,
the second inorganic insulating film is between the first inorganic insulating film and the alignment film,
the first transparent pixel electrode is connected to a source electrode of the thin film transistor at a region where the organic insulating film is not formed, a drain electrode of the thin film transistor is a part of the signal line,
the drain electrode is between the first substrate and the organic insulating film,
the first transparent pixel electrode is connected to the source electrode of the thin film transistor at a region where the organic first inorganic insulating film is not formed,
the metal wiring is between the organic insulating film and the first inorganic insulating film, and
a part of the metal wiring overlaps the drain electrode of the thin film transistor.