公开(公告)号：US12068334B2

公开(公告)日：2024-08-20

申请号：US17039474

申请日：2020-09-30

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Jin Jeon ,  Eok Su Kim ,  Joon Seok Park ,  So Young Koo ,  Tae Sang Kim ,  Jun Hyung Lim

IPC: H01L27/12

CPC classification number: H01L27/1255 ,  H01L27/1288 ,  H01L27/1225 ,  H01L27/124

Abstract: According to some embodiments of the present disclosure, a display device includes an active pattern including a metal oxide, a gate electrode overlapping the active pattern, a first capacitor electrode spaced apart from the active pattern and including a conductive oxide, and a second capacitor electrode on the first capacitor electrode.

公开(公告)号：US11600682B2

公开(公告)日：2023-03-07

申请号：US17074323

申请日：2020-10-19

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Jin Jeon ,  So Young Koo ,  Eok Su Kim ,  Hyung Jun Kim ,  Jun Hyung Lim

IPC: H01L27/32 ,  H01L27/12 ,  H01L51/56

Abstract: A display device and a method of driving a display device are provided. A display device includes a substrate, a first conductive layer on the substrate and including a lower light blocking pattern, a buffer layer on the first conductive layer, a semiconductor layer including a semiconductor pattern on the buffer layer, a gate insulating layer on the semiconductor pattern, a second conductive layer including a gate electrode on the gate insulating layer, a planarization layer on the second conductive layer, and a third conductive layer on the planarization layer and including a first conductive pattern electrically coupling the lower light blocking pattern to the semiconductor pattern, wherein the first conductive pattern is coupled to the lower light blocking pattern through a first contact hole passing through the planarization layer and the buffer layer, and coupled to the semiconductor pattern through a second contact hole passing through the planarization layer.

公开(公告)号：US11227875B2

公开(公告)日：2022-01-18

申请号：US16836651

申请日：2020-03-31

Applicant: Samsung Display Co., Ltd.

Inventor： Myoung Hwa Kim ,  Joon Seok Park ,  So Young Koo ,  Tae Sang Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Jun Hyung Lim ,  Kyung Jin Jeon

IPC: H01L27/00 ,  H01L29/00 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786 ,  H01L29/66 ,  G09G3/32 ,  H01L27/32

Abstract: A display device includes a pixel connected to a scan line, and a data line crossing the scan line, wherein the pixel includes a light-emitting element, a driving transistor configured to control a driving current supplied to the light-emitting element according to a data voltage applied from the data line, and a first switching transistor configured to apply the data voltage of the data line to the driving transistor according to a scan signal that is applied to the scan line. The driving transistor includes a first active layer including an oxide semiconductor, and a first oxide layer disposed on the first active layer and including an oxide semiconductor. The first switching transistor includes a second active layer including an oxide semiconductor, and the first oxide layer is not disposed on the second active layer.

公开(公告)号：US11189677B2

公开(公告)日：2021-11-30

申请号：US16539761

申请日：2019-08-13

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok Park ,  Yeon Keon Moon ,  Kwang Suk Kim ,  Tae Sang Kim ,  Geunchul Park ,  Kyung Jin Jeon

IPC: H01L27/32 ,  H01L51/56

Abstract: An organic light emitting diode display device includes a substrate, a first oxide transistor, a second oxide transistor, and a sub-pixel structure. The substrate has a display region including a plurality of sub-pixel regions and a peripheral region located in a side of the display region. The first oxide transistor is disposed in the peripheral region on the substrate, and includes a first oxide semiconductor pattern that includes tin (Sn). The second oxide transistor is disposed in the sub-pixel regions each on the substrate, and includes a second oxide semiconductor pattern. The sub-pixel structure is disposed on the second oxide transistor.

公开(公告)号：US20200286927A1

公开(公告)日：2020-09-10

申请号：US16783002

申请日：2020-02-05

Applicant: Samsung Display Co., LTD.

Inventor： Joon Seok Park ,  Tae Sang Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Jun Hyung Lim ,  Kyung Jin Jeon

IPC: H01L27/12

Abstract: A display device includes a plurality of pixels respectively coupled to scan lines and data lines intersecting the scan lines, wherein at least some of the pixels includes a driving transistor including a substrate, a first insulating layer disposed on the substrate, a first active layer disposed on the first insulating layer, a first gate electrode disposed on the first active layer, and a first source electrode and a first drain electrode electrically connected to the first active layer, the first drain electrode being spaced apart from the first source electrode by a first distance, and a switching transistor including a second gate electrode disposed between the substrate and the first insulating layer, a second active layer disposed on the same layer as the first active layer, and a second source electrode and a second drain electrode electrically connected to the second active layer, the second drain electrode being spaced apart from the second source electrode by a second distance different from the first distance.