US 12,111,545 B2
Display device, display module, and electronic device
Shunpei Yamazaki, Setagaya (JP); Koji Kusunoki, Isehara (JP); Susumu Kawashima, Atsugi (JP); Daisuke Kubota, Atsugi (JP); Tetsuji Ishitani, Atsugi (JP); and Akio Yamashita, Atsugi (JP)
Assigned to Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Filed by Semiconductor Energy Laboratory Co., Ltd., Atsugi (JP)
Filed on Aug. 15, 2023, as Appl. No. 18/233,953.
Application 18/233,953 is a continuation of application No. 17/288,690, granted, now 11,774,816, previously published as PCT/IB2019/058965, filed on Oct. 22, 2019.
Claims priority of application No. 2018-207225 (JP), filed on Nov. 2, 2018.
Prior Publication US 2023/0400740 A1, Dec. 14, 2023
Int. Cl. G02F 1/1362 (2006.01); C09K 19/38 (2006.01); G02F 1/1333 (2006.01); G02F 1/1343 (2006.01); G02F 1/1368 (2006.01); G02F 1/137 (2006.01)
CPC G02F 1/13624 (2013.01) [C09K 19/3857 (2013.01); G02F 1/133345 (2013.01); G02F 1/133357 (2021.01); G02F 1/133365 (2013.01); G02F 1/13439 (2013.01); G02F 1/136227 (2013.01); G02F 1/1368 (2013.01); G02F 1/13756 (2021.01)] 16 Claims
OG exemplary drawing
 
1. A display device comprising a pixel,
wherein the pixel comprises:
a first transistor;
a second transistor;
a first insulating layer;
a first conductive layer over the first insulating layer;
a second insulating layer over the first transistor, the second transistor, the first insulating layer and the first conductive layer;
a pixel electrode over the second insulating layer;
a first signal line electrically connected to one of a source electrode and a drain electrode of the first transistor;
a second signal line electrically connected to one of a source electrode and a drain electrode of the second transistor;
a layer containing a liquid crystal material over the pixel electrode; and
a common electrode over the layer containing the liquid crystal material,
wherein the first conductive layer is electrically connected to the other of the source electrode and the drain electrode of the first transistor,
wherein the pixel electrode is electrically connected to the other of the source electrode and the drain electrode of the first transistor,
wherein the first insulating layer is positioned over a channel formation region of the first transistor,
wherein the common electrode comprises a region overlapping with the first conductive layer with the layer containing the liquid crystal material and the pixel electrode therebetween,
wherein the pixel further comprises a first connection portion and a second connection portion,
wherein in the first connection portion, the first conductive layer is electrically connected to the first transistor,
wherein in the second connection portion, the pixel electrode is electrically connected to the second transistor, and
wherein the first conductive layer, the pixel electrode, and the common electrode are capable of transmitting visible light.