公开(公告)号：US11594559B2

公开(公告)日：2023-02-28

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: H01L27/00 ,  H01L29/00 ,  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：US11430859B2

公开(公告)日：2022-08-30

申请号：US16885598

申请日：2020-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Joon Seok Park ,  Myounghwa Kim ,  Tae Sang Kim ,  Hyungjun Kim ,  Yeon Keon Moon ,  Geunchul Park ,  Sangwoo Sohn ,  Jun Hyung Lim ,  Kyung Jin Jeon ,  Hye Lim Choi

IPC: H01L29/08 ,  H01L27/32

Abstract: A display device includes a first pixel, a second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel. Each of the first pixel and the second pixel includes a transistor including a conductive layer, a semiconductor layer on the conductive layer, a gate electrode on the semiconductor layer, and a source/drain electrode connected to the semiconductor layer, a capacitor including a first capacitor electrode in a same layer as the gate electrode and a second capacitor electrode on the first capacitor electrode, and a light emitting device on the transistor and the capacitor. The first data line is in a same layer as the source/drain electrode, and the second data line is in a same layer as one of the conductive layer and the second capacitor electrode.

公开(公告)号：US11942488B2

公开(公告)日：2024-03-26

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: H01L27/14 ,  H01L27/12 ,  H10K59/131

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：US11942482B2

公开(公告)日：2024-03-26

申请号：US17398566

申请日：2021-08-10

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: H01L27/12 ,  H01L29/78 ,  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：US11894355B2

公开(公告)日：2024-02-06

申请号：US17471581

申请日：2021-09-10

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/16 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L27/124 ,  H01L27/1259

Abstract: A display device includes a first conductive layer disposed on a substrate, a passivation layer disposed on the first conductive layer, a second conductive layer disposed on the passivation layer, a via layer disposed on the second conductive layer, a third conductive layer disposed on the via layer, the third conductive layer including a first electrode, a second electrode, a connection pattern, the first electrode, the second electrode, and the connection pattern being spaced apart from each other, and a light emitting element, a first end and a second end of the light emitting element being disposed on the first electrode and the second electrode, respectively, wherein the connection pattern electrically connects the first conductive layer and the second conductive layer through a first contact hole penetrating the via layer and the passivation layer.

公开(公告)号：US11765947B2

公开(公告)日：2023-09-19

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 ,  H10K59/131 ,  H10K59/122 ,  H10K59/12

CPC classification number: H10K59/131 ,  H10K59/122 ,  H10K59/1201

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：US11271015B2

公开(公告)日：2022-03-08

申请号：US16876984

申请日：2020-05-18

Applicant: Samsung Display Co., LTD.

Inventor： Joon Seok Park ,  Myoung Hwa Kim ,  Tae Sang Kim ,  Hyung Jun Kim ,  Yeon Keon Moon ,  Geun Chul Park ,  Sang Woo Sohn ,  Jun Hyung Lim ,  Kyung Jin Jeon ,  Hye Lim Choi

IPC: H01L27/12 ,  G02F1/1362 ,  H01L27/32

Abstract: A display device includes a substrate, a buffer layer disposed on the substrate, a first semiconductor layer disposed on the buffer layer and including an oxide semiconductor and a first active layer, a first gate insulating layer disposed on the first semiconductor layer and the buffer layer, a second semiconductor layer disposed on the first gate insulating layer and including an oxide semiconductor, a second active layer, and a first oxide layer on the first active layer, a second gate insulating layer disposed on the second semiconductor layer, a first conductive layer disposed on the second gate insulating layer, an insulating layer disposed on the first conductive layer, a second conductive layer disposed on the insulating layer, a passivation layer disposed on the second conductive layer, and a third conductive layer disposed on the first passivation layer.

公开(公告)号：US11138929B2

公开(公告)日：2021-10-05

申请号：US16850775

申请日：2020-04-16

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: G09G3/3225 ,  G09G3/3275 ,  H01L27/32 ,  G09G3/3266 ,  H01L29/66 ,  H01L27/12 ,  H01L29/417 ,  H01L29/786 ,  H01L21/02

Abstract: A display device includes a pixel including a light emitting element connected to a scan line and a data line; a driving transistor that controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first semiconductor layer, and a first gate electrode disposed on the first semiconductor layer. The display device includes a switching transistor that applies the data voltage to the driving transistor according to a scan signal applied to the scan line. The switching transistor includes a second semiconductor layer, and a second gate electrode disposed on the second semiconductor layer. The display device includes a light blocking layer and a first buffer layer disposed at a lower portion of the driving transistor. The light blocking layer and the first buffer layer do not overlap the switching transistor.

公开(公告)号：US12125836B2

公开(公告)日：2024-10-22

申请号：US18395966

申请日：2023-12-26

Applicant: Samsung Display Co., LTD.

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

IPC: H01L25/16 ,  H01L27/12 ,  H10K59/122 ,  H10K59/123

CPC classification number: H01L25/167 ,  H01L27/124 ,  H01L27/1259 ,  H10K59/122 ,  H10K59/123

Abstract: A display device includes a first conductive layer disposed on a substrate, a passivation layer disposed on the first conductive layer, a second conductive layer disposed on the passivation layer, a via layer disposed on the second conductive layer, a third conductive layer disposed on the via layer, the third conductive layer including a first electrode, a second electrode, a connection pattern, the first electrode, the second electrode, and the connection pattern being spaced apart from each other, and a light emitting element, a first end and a second end of the light emitting element being disposed on the first electrode and the second electrode, respectively, wherein the connection pattern electrically connects the first conductive layer and the second conductive layer through a first contact hole penetrating the via layer and the passivation layer.

公开(公告)号：US12107114B2

公开(公告)日：2024-10-01

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

CPC classification number: H01L27/156 ,  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.