US 12,105,392 B2
Display device
Takahiro Koshiba, Kameyama (JP); and Hiroto Akiyama, Kameyama (JP)
Assigned to Sharp Display Technology Corporation, Kameyama (JP)
Filed by Sharp Display Technology Corporation, Kameyama (JP)
Filed on Nov. 1, 2023, as Appl. No. 18/386,111.
Claims priority of application No. 2022-196426 (JP), filed on Dec. 8, 2022.
Prior Publication US 2024/0192561 A1, Jun. 13, 2024
Int. Cl. G09G 3/36 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01); H01L 27/12 (2006.01)
CPC G02F 1/1368 (2013.01) [G02F 1/136286 (2013.01); H01L 27/124 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A display device comprising:
a first pixel electrode disposed in a display region;
a first switching element disposed in the display region and connected to the first pixel electrode;
a first wiring disposed inside and outside the display region and connected to the first switching element;
a second pixel electrode disposed in the display region;
a second switching element disposed in the display region and connected to the second pixel electrode;
a second wiring disposed inside and outside the display region and connected to the second switching element;
a third wiring disposed outside the display region and not connected to the first switching element and the second switching element;
a fourth wiring disposed adjacent to the third wiring outside the display region and not connected to the first switching element and the second switching element;
a first insulating film;
a second insulating film disposed on an upper layer side than the first insulating film; and
an alignment film disposed on an upper layer side than the second insulating film, wherein
the first wiring includes a first lead-out portion disposed outside the display region and located on a lower layer side of the first insulating film,
the second wiring includes a second lead-out portion disposed adjacent to the first lead-out portion outside the display region and located on a lower layer side of the second insulating film on the upper layer side of the first insulating film,
the third wiring is located on the lower layer side of the first insulating film, and
the fourth wiring is located on the lower layer side of the second insulating film on the upper layer side of the first insulating film.