公开(公告)号：US20210249498A1

公开(公告)日：2021-08-12

申请号：US17003522

申请日：2020-08-26

Applicant: Samsung Display Co., Ltd.

Inventor： Yoonjong CHO ,  Donghwi Kim ,  Jin Jeon

IPC: H01L27/32 ,  H01L29/786

Abstract: A display device includes a first thin-film transistor (TFT) including a first semiconductor layer including silicon semiconductor and a first gate electrode insulated from the first semiconductor layer, a first interlayer insulating layer covering the first gate electrode, a second TFT arranged on the first interlayer insulating layer and including a second semiconductor layer including oxide semiconductor and a second gate electrode insulated from the second semiconductor layer, a second interlayer insulating layer covering the second gate electrode, a first power supply voltage line arranged on the second interlayer insulating layer, a first planarization layer covering the first power supply voltage line, and a data line arranged on the first planarization layer and at least partially overlapping the first power supply voltage line.

公开(公告)号：US20210241689A1

公开(公告)日：2021-08-05

申请号：US17110725

申请日：2020-12-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jeongsoo LEE ,  Kyunghyun BAEK ,  Sewan SON ,  Yoonjong CHO ,  Moosoon KO ,  Yeonha BAEK ,  Seokje SEONG ,  Jinsung AN ,  Inhyuck YEO ,  Seongjun LEE ,  Jaehyun LEE

IPC: G09G3/3233 ,  G09G3/3275 ,  G09G3/3266

Abstract: A pixel including: a light-emitting diode; a first PMOS transistor including a first electrode connected to a node and a second electrode transmitting a driving current to the light-emitting diode; a second transistor connected between a data line and the node and turned on by a first scan signal; a third NMOS transistor connected between a gate electrode and the second electrode of the first transistor and turned on by a first emission control signal; a fourth NMOS transistor connected between the gate electrode of the first transistor and a first initialization voltage line and turned on by a second emission control signal; a fifth transistor connected between a driving voltage line and the node and turned on by the first emission control signal; and a sixth transistor connected between the second electrode of the first transistor and the light-emitting diode and turned on by the first emission control signal.