US 12,347,403 B2
Transistor, circuit substrate, and display device
Yohei Takeuchi, Kameyama (JP); Tatsuya Kawasaki, Kameyama (JP); Kengo Hara, Kameyama (JP); Masafumi Sugino, Kameyama (JP); Hajime Imai, Kameyama (JP); and Tohru Daitoh, Kameyama (JP)
Assigned to SHARP DISPLAY TECHNOLOGY CORPORATION, Kameyama (JP)
Filed by Sharp Display Technology Corporation, Kameyama (JP)
Filed on Feb. 23, 2024, as Appl. No. 18/585,148.
Claims priority of application No. 2023-051378 (JP), filed on Mar. 28, 2023.
Prior Publication US 2024/0331653 A1, Oct. 3, 2024
Int. Cl. G09G 3/36 (2006.01); G02F 1/1362 (2006.01); G02F 1/1368 (2006.01)
CPC G09G 3/3677 (2013.01) [G02F 1/136286 (2013.01); G02F 1/1368 (2013.01); G09G 2310/0286 (2013.01); G09G 2310/08 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A transistor comprising:
a first electrode;
a first semiconductor portion that is at least partly superimposed on the first electrode and that is composed of a semiconductor material;
a first insulating film that is interposed between the first electrode and the first semiconductor portion;
a second electrode that is superimposed on a part of the first semiconductor portion and that is connected to the first semiconductor portion; and
a third electrode that is located in a layer in which the second electrode is located, that is superimposed on a part of the first semiconductor portion, and that is connected to the first semiconductor portion; and
a fourth electrode and a fifth electrode that are located in the layer in which the second electrode and the third electrode are located, that are superimposed on parts of the first semiconductor portion, and that are connected to the first semiconductor portion,
wherein an electric potential of the second electrode is lower than that of the third electrode,
wherein the third electrode includes a first portion that is spaced from the second electrode and a second portion that is spaced from the second electrode opposite the first portion,
wherein the fourth electrode is sandwiched between the second electrode and the first portion and is spaced from the second electrode and the first portion,
wherein the fifth electrode is sandwiched between the second electrode and the second portion and is spaced from the second electrode and the second portion, and
wherein an electric potential of the fourth electrode and an electric potential of the fifth electrode are higher than that of the second electrode and are lower than that of the third electrode.