公开(公告)号：US20210327910A1

公开(公告)日：2021-10-21

申请号：US17157184

申请日：2021-01-25

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/12

Abstract: A display device may include a first gate electrode disposed on a substrate, a buffer layer disposed on the first gate electrode, a first active pattern on the buffer layer, the first active pattern overlapping the first gate electrode and including an oxide semiconductor, a second active pattern on the buffer layer, spaced apart from the first active pattern, and including an oxide semiconductor, the second active pattern including a channel region, and a source region and a drain region, a source pattern and a drain pattern respectively at ends of the first active pattern, a first insulation pattern disposed on the first active pattern, a second insulation pattern disposed on the channel region, a first oxygen supply pattern on the first insulation pattern, a second oxygen supply pattern on the second insulation pattern, and a second gate electrode on the second oxygen supply pattern.

公开(公告)号：US20200343275A1

公开(公告)日：2020-10-29

申请号：US16818310

申请日：2020-03-13

Applicant: Samsung Display Co., LTD.

Inventor： Geun Chul PARK ,  Joon Seok PARK ,  Tae Sang KIM ,  Yeon Keon MOON ,  Jun Hyung LIM ,  Kyung Jin JEON

IPC: H01L27/12

Abstract: A display device and a method of manufacturing the same. The display device includes a pixel connected to a scan line and a data line intersecting the scan line, and a driving transistor and a switching transistor disposed in the pixel. The driving transistor includes a substrate, a first active layer disposed on the substrate, a first gate electrode disposed on the first active layer, and a second insulating film contacting the first gate electrode and the first gate electrode. The switching transistor includes a second active layer disposed on the substrate, a second gate electrode disposed on the second active layer, a first insulating film contacting the second active layer and the second gate electrode, and a second insulating film covering the first insulating film. The first insulating film and the second insulating film are made of different materials from each other.

公开(公告)号：US20200098924A1

公开(公告)日：2020-03-26

申请号：US16563699

申请日：2019-09-06

Applicant: Samsung Display Co., Ltd.

Inventor： Tae Sang KIM ,  Joon Seok PARK ,  Kwang Suk KIM ,  Yeon Keon MOON ,  Geunchul PARK ,  Jun Hyung LIM ,  Kyung Jin JEON

IPC: H01L29/786 ,  H01L27/12 ,  H01L21/467 ,  H01L29/66

Abstract: A transistor substrate may include: a substrate; an active pattern formed on the substrate, the active pattern including an oxide semiconductor that contains tin (Sn), and the active pattern including a source region, a drain region, and a channel region that is formed between the source region and the drain region; a source protective pattern formed on the source region; a drain protective pattern formed on the drain region; a gate electrode overlapping at least a portion of the channel region; an insulation interlayer covering the source protective pattern and the drain protective pattern; a source electrode formed on the insulation interlayer, the source electrode being in contact with the source protective pattern through a source contact hole that is formed in the insulation interlayer; and a drain electrode formed on the insulation interlayer, the drain electrode being in contact with the drain protective pattern through a drain contact hole that is formed in the insulation interlayer.

公开(公告)号：US20240234431A1

公开(公告)日：2024-07-11

申请号：US18610416

申请日：2024-03-20

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Jun KIM ,  So Young KOO ,  Eok Su KIM ,  Yun Yong NAM ,  Jun Hyung LIM ,  Kyung Jin JEON

IPC: H01L27/12 ,  H01L29/786 ,  H10K59/12

CPC classification number: H01L27/1225 ,  H01L29/7869 ,  H01L29/78696 ,  H10K59/1201

Abstract: A display device according to an embodiment includes a light blocking layer disposed on a substrate; an oxygen supply layer disposed on and contacting the light blocking layer; a semiconductor layer disposed on the oxygen supply layer; and a light emitting diode electrically connected with the semiconductor layer. The semiconductor layer includes an oxide semiconductor, and the oxygen supply layer includes a metal oxide that includes at least one of indium, zinc, gallium, and tin.

公开(公告)号：US20220140000A1

公开(公告)日：2022-05-05

申请号：US17471679

申请日：2021-09-10

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Jun KIM ,  So Young KOO ,  Eok Su KIM ,  Yun Yong NAM ,  Jun Hyung LIM ,  Kyung Jin JEON

IPC: H01L27/15 ,  H01L33/24 ,  H01L33/38 ,  H01L33/44 ,  H01L33/60

Abstract: A display device includes first banks on a substrate and spaced apart from each other, a first electrode and a second electrode on the first banks and spaced apart from each other, a first insulating layer on the first electrode and the second electrode, and light emitting elements on the first insulating layer and each having ends on the first electrode and the second electrode. Each of the first banks includes a first pattern portion including concave portions and convex portions. The first pattern portions of the first banks are disposed on side surfaces of the first banks. The side surfaces are spaced apart and face each other. Each of the first electrode and the second electrode includes a second pattern portion on the first pattern portion and having a pattern shape corresponding to the first pattern portion on a surface thereof.

公开(公告)号：US20210320162A1

公开(公告)日：2021-10-14

申请号：US17107638

申请日：2020-11-30

Applicant: Samsung Display Co., LTD.

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

IPC: H01L27/32

Abstract: A display device includes a substrate, a first conductive layer on the substrate and including a lower light blocking pattern and a first signal line, a buffer layer on the first conductive layer, a semiconductor layer on the buffer layer and including a first semiconductor pattern and a second semiconductor pattern separated from the first semiconductor pattern, an insulating layer on the semiconductor layer and including an insulating layer pattern, a second conductive layer on the insulating layer and including a second signal line, a planarization layer on the second conductive layer, and a third conductive layer on the planarization layer and including an anode electrode. The first semiconductor pattern is electrically connected to the lower light blocking pattern by the anode electrode, and at least a portion of the second semiconductor pattern is isolated from and overlaps each of the first signal line and the second signal line.

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：US20240030235A1

公开(公告)日：2024-01-25

申请号：US18480494

申请日：2023-10-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： So Young KOO ,  Jay Bum KIM ,  Kyung Jin JEON ,  Eok Su KIM ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L33/62

CPC classification number: H01L27/124 ,  H01L27/1288 ,  H01L33/62 ,  H01L2933/0066

Abstract: A display device according to an embodiment of the present disclosure includes: a substrate; a first conductive layer on the substrate; a first insulating layer on the first conductive layer; an active pattern on the first insulating layer and including a semiconductor material; a second insulating layer on the active pattern; and a second conductive layer on the second insulating layer, wherein the first insulating layer has a first opening exposing the first conductive layer, the second insulating layer has a second opening exposing the first conductive layer, a breadth of the first opening is different than a breadth of the second opening, and a side surface of the first opening and a side surface of the second opening are formed to a top surface of the first conductive layer.

公开(公告)号：US20210249443A1

公开(公告)日：2021-08-12

申请号：US17109601

申请日：2020-12-02

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

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：US20210225878A1

公开(公告)日：2021-07-22

申请号：US17085976

申请日：2020-10-30

Applicant: Samsung Display Co., Ltd.

Inventor： So Young KOO ,  Jay Bum KIM ,  Kyung Jin JEON ,  Eok Su KIM ,  Jun Hyung LIM

IPC: H01L27/12 ,  H01L33/62

Abstract: A display device according to an embodiment of the present disclosure includes: a substrate; a first conductive layer on the substrate; a first insulating layer on the first conductive layer; an active pattern on the first insulating layer and including a semiconductor material; a second insulating layer on the active pattern; and a second conductive layer on the second insulating layer, wherein the first insulating layer has a first opening exposing the first conductive layer, the second insulating layer has a second opening exposing the first conductive layer, a breadth of the first opening is different than a breadth of the second opening, and a side surface of the first opening and a side surface of the second opening are formed to a top surface of the first conductive layer.