公开(公告)号：US20200006451A1

公开(公告)日：2020-01-02

申请号：US16358020

申请日：2019-03-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sewan SON ,  Moosoon KO ,  Youngwoo PARK ,  Jinsung AN ,  Minwoo WOO ,  Juwon YOON ,  Seongjun LEE ,  Wangwoo LEE ,  Jeongsoo LEE ,  Jiseon LEE ,  Deukmyung JI

IPC: H01L27/32 ,  H01L51/56

Abstract: A display apparatus includes a substrate, a first thin-film transistor including a first semiconductor layer on the substrate, and a first gate electrode on the first semiconductor layer, the first gate electrode being insulated from the first semiconductor layer by a first gate insulating layer, an organic interlayer insulating layer covering the first gate electrode, a first conductive layer on the organic interlayer insulating layer, a first contact hole exposing a top portion of the first semiconductor layer by penetrating through the organic interlayer insulating layer and the first gate insulating layer, and a first protruding portion protruding from a top surface of the substrate between the substrate and the first semiconductor layer, the first protruding portion corresponding to the first contact hole, wherein the first conductive layer contacts the first semiconductor layer through the first contact hole.

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.