US 12,287,552 B2
Display device
Hajime Watakabe, Tokyo (JP); Masashi Tsubuku, Tokyo (JP); Toshinari Sasaki, Tokyo (JP); and Takaya Tamaru, Tokyo (JP)
Assigned to JAPAN DISPLAY INC., Tokyo (JP)
Filed by Japan Display Inc., Tokyo (JP)
Filed on Nov. 14, 2023, as Appl. No. 18/508,246.
Claims priority of application No. 2022-187757 (JP), filed on Nov. 24, 2022.
Prior Publication US 2024/0176196 A1, May 30, 2024
Int. Cl. G02F 1/1362 (2006.01); G02F 1/1368 (2006.01); G06F 3/044 (2006.01)
CPC G02F 1/136227 (2013.01) [G02F 1/136286 (2013.01); G02F 1/13685 (2021.01); G06F 3/044 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A display device comprising:
a plurality of pixel electrodes each connected to a semiconductor device;
a plurality of common electrodes each disposed opposite to a part of the plurality of pixel electrodes; and
a plurality of common wirings each connected to the plurality of common electrodes, wherein
the semiconductor device includes a first oxide semiconductor layer,
the first oxide semiconductor layer includes a channel portion and a conductive portion,
at least a part of each common wiring is composed of a second oxide semiconductor layer, and
both the conductive portion of the first oxide semiconductor layer and the second oxide semiconductor layer include the same impurities selected from argon (Ar), phosphorus (P), or Boron (B).