公开(公告)号：US20220140033A1

公开(公告)日：2022-05-05

申请号：US17398742

申请日：2021-08-10

Applicant: Samsung Display Co., Ltd.

Inventor： Eung Taek KIM ,  Kohei EBISUNO ,  Suk Hoon KU ,  Jin Suk LEE ,  Jung Mi CHOI ,  Young In HWANG ,  Tae Sik KIM ,  Jin Suk SEO ,  Hwang Sup SHIN ,  Taek Geun LEE ,  Joo Hyeon JO ,  Hong Jun CHOI ,  Hee Yeon KIM ,  Na Lae LEE

IPC: H01L27/32 ,  H01L29/792

Abstract: A display device is provided. The display device includes a first substrate, a first charge trap layer disposed on the first substrate and including silicon nitride, a semiconductor layer disposed on the first charge trap layer and including a first active layer of a first transistor and a second active layer of a second transistor, and an organic light emitting element electrically connected to the first transistor, wherein a ratio of a content of a Si element to a content of an N element in the first charge trap layer is in a range of 1.6 to 2.5.

公开(公告)号：US20220059031A1

公开(公告)日：2022-02-24

申请号：US17397878

申请日：2021-08-09

Applicant: Samsung Display Co., Ltd.

Inventor： Eung Taek KIM ,  Hee Yeon KIM ,  Hwang Sup SHIN ,  Na Lae LEE ,  Jin Suk LEE ,  Taek Geun LEE ,  Joo Hyeon JO ,  Jung Mi CHOI ,  Hong Jun CHOI ,  Young In HWANG

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display device includes a base substrate including a first substrate and a second substrate sequentially laminated, a lower semiconductor layer disposed on at least one of the first substrate and the second substrate, a buffer layer disposed on the base substrate, an active semiconductor layer disposed on the buffer layer and including a first active layer of a first transistor and a second active layer of a second transistor, a first insulating layer disposed on the active semiconductor layer, and a first conductive layer disposed on the first insulating layer and including a first gate electrode of the first transistor and a second gate electrode of the second transistor, wherein the lower semiconductor layer overlaps the first active layer, and does not overlap the second active layer.

公开(公告)号：US20210090494A1

公开(公告)日：2021-03-25

申请号：US16906688

申请日：2020-06-19

Applicant: Samsung Display Co., Ltd.

Inventor： Young In HWANG ,  Sung Ho KIM ,  Eung Taek KIM ,  Joo Hyeon JO ,  Jung Mi CHOI ,  Seong Baik CHU

IPC: G09G3/325 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display device includes: a (k−1)-th scan line and a k-th scan line which are parallel to each other; a j-th data line which crosses the (k−1)-th scan line and the k-th scan line; and a subpixel connected to the (k−1)-th scan line, the k-th scan line, and the j-th data line, wherein the subpixel includes: a driving transistor configured to control a driving current flowing from a first electrode thereof to a second electrode thereof according to a data voltage applied to a first gate electrode thereof, the driving transistor having a second gate electrode connected to the (k−1)-th scan line; and a light emitting element configured to emit light according to the driving current.