公开(公告)号：US20230026562A1

公开(公告)日：2023-01-26

申请号：US17739501

申请日：2022-05-09

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  TAEWOOK KANG ,  JANG-HYUN KIM ,  JOON WOO BAE ,  JAESEOB LEE ,  DONGGYU JIN ,  SANGGUN CHOI

IPC: H01L27/32

Abstract: A display device includes a first transistor, a second transistor electrically connected thereto, n third transistors electrically connected to a gate of the first transistor and connected to each other in series, a capacitor to be charged with a voltage corresponding to a data signal, and a light emitting element, wherein the third transistors include a semiconductor area including a channel area, a source area, a drain area, and a gate overlapping the channel area, wherein the source area or the drain area that is closer to the gate of the first transistor, and that is of the third transistor closest to the gate of the first transistor, includes a first area, and a second area between the first area and the channel area, having a doping concentration that is lower than that of the first area, and having a width that is less than that of the first area.

公开(公告)号：US20210367209A1

公开(公告)日：2021-11-25

申请号：US17228586

申请日：2021-04-12

Applicant: Samsung Display Co., Ltd.

Inventor： KEUNWOO KIM ,  HYENA KWAK ,  TAEWOOK KANG ,  JIYEONG SHIN ,  JAESEOB LEE

IPC: H01L51/52

Abstract: A display device includes: a base substrate including a first polymeric film; an active pattern on the base substrate and including a first channel region; and a first gate electrode overlapping the first channel region, wherein the first polymeric film has a first thickness in a first area overlapping the first channel region and a second thickness, which is smaller than the first thickness, in a second area different from the first area.