公开(公告)号：US20230380228A1

公开(公告)日：2023-11-23

申请号：US18113200

申请日：2023-02-23

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Jun KIM ,  Eok Su KIM ,  Hyoung Do KIM ,  Yun Yong NAM ,  Joon Seok PARK ,  Jun Hyung LIM

IPC: H10K59/131 ,  H10K59/12 ,  H10K59/80

CPC classification number: H10K59/131 ,  H10K59/1201 ,  H10K59/873

Abstract: A display device including a first substrate including a display area, and a non-display area, a second substrate on the first substrate, and a sealing member in a sealing area of the non-display area. The first substrate includes a first base portion, a first conductive layer including a first signal line and a lower light blocking layer, on the first base portion, a buffer layer on the first conductive layer, a semiconductor layer overlapping the lower light blocking layer, on the buffer layer, a gate insulating layer on the semiconductor layer, and a second conductive layer including second and third signal lines electrically connected to the first signal line, and a gate electrode overlapping the semiconductor layer, on the gate insulating layer. In plan view, the first signal line is between the second signal line and the third signal line. The first signal line overlaps the sealing member.

公开(公告)号：US20210408195A1

公开(公告)日：2021-12-30

申请号：US17313046

申请日：2021-05-06

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University ERICA Campus

Inventor： Sang Woo SOHN ,  Saeroonter OH ,  Joon Seok PARK ,  Young Joon CHOI ,  Su Hyun KIM ,  Jun Hyung LIM

IPC: H01L27/32 ,  H01L51/56 ,  G09G3/3225

Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.

公开(公告)号：US20210036086A1

公开(公告)日：2021-02-04

申请号：US16880792

申请日：2020-05-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sangwoo SOHN ,  Myounghwa KIM ,  TaeSang KIM ,  Hyungjun KIM ,  Yeon Keon MOON ,  Joon Seok PARK ,  Sangwon SHIN ,  Jun Hyung LIM ,  Hyelim CHOI

IPC: H01L27/32 ,  H01L51/56 ,  H01L51/52 ,  H01L29/786

Abstract: A display panel includes a base layer, a first thin film transistor on the base layer, a second thin film transistor electrically coupled to the first thin film transistor, and a light emitting element electrically coupled to the second thin film transistor. The first thin film transistor includes a first semiconductor pattern on the base layer, a first barrier pattern on the first semiconductor pattern and including a gallium (Ga) oxide and a zinc (Zn) oxide, and a first control electrode on the first barrier pattern and overlapping the first semiconductor pattern. Accordingly, a signal transmission speed of the display panel may be improved, and electrical characteristics and reliability of the thin film transistor included in the display panel may be improved.

公开(公告)号：US20210020110A1

公开(公告)日：2021-01-21

申请号：US16846195

申请日：2020-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok PARK ,  So Young KOO ,  Myoung Hwa KIM ,  Eok Su KIM ,  Tae Sang KIM ,  Hyung Jun KIM ,  Yeon Keon MOON ,  Geun Chul PARK ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: G09G3/3266 ,  G09G3/3233 ,  G09G3/3291 ,  H01L27/32 ,  H01L29/786 ,  H01L29/49

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 received 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 applied to the scan line; wherein the driving transistor includes a first active layer including an oxide semiconductor and a first oxide layer on the first active layer and including an oxide semiconductor; and wherein the first switching transistor includes a second active layer on the first active layer and including the same oxide semiconductor as the first oxide layer.

公开(公告)号：US20240179964A1

公开(公告)日：2024-05-30

申请号：US18434812

申请日：2024-02-07

Applicant: Samsung Display Co., Ltd. ,  Industry-University Cooperation Foundation Hanyang University ERICA Campus

Inventor： Sang Woo SOHN ,  Saeroonter OH ,  Joon Seok PARK ,  Young Joon CHOI ,  Su Hyun KIM ,  Jun Hyung LIM

IPC: H10K59/126 ,  G09G3/3225 ,  H10K59/131 ,  H10K71/00

CPC classification number: H10K59/126 ,  G09G3/3225 ,  H10K59/131 ,  H10K71/00

Abstract: A display device comprises a substrate; a driving transistor including a first active layer and a switching transistor including a second active layer, the first active layer and the second active layer being disposed on the substrate; a first gate insulating layer disposed on the first active layer of the driving transistor and the second active layer of the switching transistor; first and second gate electrodes disposed on the first gate insulating layer to overlap the first active layer of the driving transistor and the second active layer of the switching transistor, respectively; a first interlayer insulating layer disposed on the first gate electrode and the second gate electrode; and a second interlayer insulating layer disposed on the first interlayer insulating layer to overlap the first active layer without overlapping the second active layer in a plan view.

公开(公告)号：US20230253415A1

公开(公告)日：2023-08-10

申请号：US18193200

申请日：2023-03-30

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Jin JEON ,  So Young KOO ,  Eok Su KIM ,  Hyung Jun KIM ,  Joon Seok PARK ,  Jun Hyung LIM

IPC: H01L27/12

CPC classification number: H01L27/124 ,  H01L27/1262 ,  H10K59/131

Abstract: A display device includes: a substrate; a first conductive layer on the substrate and comprising a first signal line; an insulating layer pattern on the first conductive layer; a semiconductor pattern on the insulating layer pattern; a gate insulating layer on the semiconductor pattern; and a second conductive layer comprising a gate electrode on the gate insulting layer and a first source/drain electrode and a second source/drain electrode, each on at least a part of the semiconductor pattern, wherein the insulating layer pattern and the semiconductor pattern have a same planar shape, the semiconductor pattern comprises a channel region overlapping the gate electrode, a first source/drain region on a first side of the channel region and a second source/drain region on a second side of the channel region, and the first source/drain electrode electrically connects the first source/drain region and the first signal line.

公开(公告)号：US20220085071A1

公开(公告)日：2022-03-17

申请号：US17232211

申请日：2021-04-16

Applicant: Samsung Display Co., LTD. ,  Industry-University Cooperation Foundation Hanyang University ERICA Campus

Inventor： Hye Lim CHOI ,  Saeroonter OH ,  Kihwan KIM ,  Joon Seok PARK ,  Ji Hwan LEE ,  Jun Hyung LIM

IPC: H01L27/12

Abstract: An embodiment of the present invention provides a display device including a substrate and a transistor on the substrate. The transistor includes: a lower layer having conductivity and including a body portion and a plurality of protrusions; an oxide semiconductor layer including a channel region, a first conductive region disposed at a first side of the channel region, and a second conductive region disposed at a second side of the channel region, where the second side is opposite the first side; a gate electrode overlapping the channel region in a plan view; a first electrode electrically connected to the first conductive region; and a second electrode electrically connected to the second conductive region. The plurality of protrusions protrudes from the body portion, and the body portion overlaps the channel region in the plan view.

公开(公告)号：US20210327983A1

公开(公告)日：2021-10-21

申请号：US16952762

申请日：2020-11-19

Applicant: Samsung Display Co., LTD.

Inventor： Myoung Hwa KIM ,  Joon Seok PARK ,  Tae Sang KIM ,  Yeon Keon MOON ,  Geun Chul PARK ,  Sang Woo SOHN ,  Jun Hyung LIM ,  Hye Lim CHOI

IPC: H01L27/32

Abstract: A display device is provided. The display device includes a substrate, a first active layer of a first transistor and a second active layer of a second transistor which are disposed on the substrate, a first gate insulating layer disposed on the first active layer, an oxide layer disposed on the first gate insulating layer and including an oxide semiconductor, a first gate electrode disposed on the oxide layer, a second gate insulating layer disposed on the first gate electrode and the second active layer, and a second gate electrode which overlaps the second active layer in a thickness direction of the substrate and is disposed on the second gate insulating layer, where the oxide layer overlaps the first active layer and does not overlap the second active layer in the thickness direction.

公开(公告)号：US20210134851A1

公开(公告)日：2021-05-06

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

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：US20210020872A1

公开(公告)日：2021-01-21

申请号：US16837540

申请日：2020-04-01

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok PARK ,  Yeon Keon MOON ,  Myoung Hwa KIM ,  Tae Sang KIM ,  Hyung Jun KIM ,  Geun Chul PARK ,  Sang Woo SOHN ,  Jun Hyung LIM ,  Kyung Jin JEON ,  Hye Lim CHOI

IPC: H01L51/56 ,  G09G3/3266 ,  G09G3/325 ,  H01L29/786 ,  H01L29/49 ,  G09G3/3291

Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light-emitting element, a driving transistor to control a driving current supplied to the light-emitting element according to a data voltage applied from the data lines, and a switching transistor to apply the data voltage of the data line to the driving transistor according to a scan signal applied from the scan lines. The driving transistor includes a first active layer having an oxide semiconductor and a first gate electrode below the first active layer. The switching transistor includes a second active layer having a same oxide semiconductor as the oxide semiconductor of the first active layer and a second gate electrode below the second active layer. At least one of the driving transistor and the switching transistor includes an oxide layer above each of the active layers.