公开(公告)号：US11980060B2

公开(公告)日：2024-05-07

申请号：US17494892

申请日：2021-10-06

Applicant: Samsung Display Co., Ltd.

Inventor： Myeongho Kim ,  Yeonhong Kim ,  Jaybum Kim ,  Kyoung Seok Son ,  Sunhee Lee ,  Seungjun Lee ,  Seunghun Lee ,  Jun Hyung Lim

IPC: H01L29/08 ,  H10K59/121 ,  H10K71/00 ,  H10K59/12

CPC classification number: H10K59/1216 ,  H10K59/1213 ,  H10K71/00 ,  H10K59/1201

Abstract: A display device includes a first lower electrode disposed on a base substrate, a first upper electrode disposed on the first lower electrode, overlapping the first lower electrode in a plan view, including a silicon semiconductor, and constituting a first capacitor together with the first lower electrode, a second lower electrode disposed on the first upper electrode, and a second upper electrode disposed on the second lower electrode, overlapping the second lower electrode in a plan view, including an oxide semiconductor, and constituting a second capacitor together with the second lower 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：US11930670B2

公开(公告)日：2024-03-12

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: 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：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：US11844238B2

公开(公告)日：2023-12-12

申请号：US17735617

申请日：2022-05-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jay Bum Kim ,  Myeong Ho Kim ,  Kyoung Seok Son ,  Seung Jun Lee ,  Seung Hun Lee ,  Jun Hyung Lim

IPC: H01L29/66 ,  H10K59/121 ,  H10K59/126 ,  H10K71/00 ,  H01L27/12 ,  H01L29/423 ,  H01L29/49 ,  H01L29/786 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/126 ,  H10K59/1216 ,  H10K71/00 ,  H01L27/1225 ,  H01L27/1237 ,  H01L27/1251 ,  H01L27/1255 ,  H01L27/1288 ,  H01L29/42384 ,  H01L29/4908 ,  H01L29/66757 ,  H01L29/66969 ,  H01L29/7869 ,  H01L29/78633 ,  H01L29/78675 ,  H10K59/1201

Abstract: A display device includes a substrate, a first semiconductor pattern, a first gate insulating film covering the first semiconductor pattern, a first conductive layer and a second semiconductor pattern are on the first gate insulating film, a second gate insulating film on the second semiconductor pattern, a third gate insulating film covering the first gate insulating film and the second gate insulating film, a second conductive layer on the third gate insulating film, an interlayer insulating film covering the second conductive layer, and a third conductive layer on the interlayer insulating film, wherein the first and second semiconductor patterns respectively form semiconductor layers of the first and second transistors, wherein the first conductive layer includes a gate electrode of the first transistor and a first electrode of the capacitor, and wherein the second conductive layer includes a gate electrode of the second transistor and a second electrode of the capacitor.

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：US11653541B2

公开(公告)日：2023-05-16

申请号：US17344860

申请日：2021-06-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Seok Son ,  Myoung Hwa Kim ,  Jay Bum Kim ,  Seung Jun Lee ,  Seung Hun Lee ,  Jun Hyung Lim

IPC: H01L27/12 ,  H01L27/32 ,  G09G3/3258 ,  G09G3/3291 ,  H01L51/52 ,  H01L51/56

CPC classification number: H01L27/3279 ,  G09G3/3258 ,  G09G3/3291 ,  H01L27/3258 ,  H01L51/52 ,  H01L51/56 ,  H01L2227/323

Abstract: A display device includes a substrate and a pixel disposed on the substrate. The pixel includes a first transistor, a second transistor electrically connected to the first transistor, a third transistor electrically connected to the first transistor, and a light-emitting diode element electrically connected to at least one of the first transistor and the third transistor. The first transistor includes a first semiconductor member and a first gate electrode. The first semiconductor member includes an oxide semiconductor material. The first gate electrode is disposed between the first semiconductor member and the substrate. The second transistor includes a second semiconductor member and a second gate electrode. The second semiconductor member includes the oxide semiconductor material. The second semiconductor member is disposed between the second gate electrode and the substrate. The third transistor includes a third semiconductor member including silicon.

公开(公告)号：US11574987B2

公开(公告)日：2023-02-07

申请号：US17223505

申请日：2021-04-06

Applicant: Samsung Display Co., LTD.

Inventor： Kyungjin Jeon ,  Soyoung Koo ,  Eok Su Kim ,  Hyungjun Kim ,  Yunyong Nam ,  Jun Hyung Lim

IPC: H01L27/32

Abstract: An electronic apparatus includes a first transistor including a first oxide semiconductor pattern, a second transistor including a second oxide semiconductor pattern, a blocking layer including a conductive material, a signal line including a first line and a second line which are disposed on different layers, and a bridge pattern electrically connected to each of the first transistor, the first line of the signal line, and the second line of the signal line, wherein the first line of the signal line and the blocking layer are disposed on a same layer, and the second line of the signal line and the first oxide semiconductor pattern are disposed on a same layer.

公开(公告)号：US11569328B2

公开(公告)日：2023-01-31

申请号：US17223984

申请日：2021-04-06

Applicant: Samsung Display Co., Ltd.

Inventor： Yeon Hong Kim ,  Eun Hye Ko ,  Eun Hyun Kim ,  Kyoung Won Lee ,  Sun Hee Lee ,  Jun Hyung Lim

IPC: H01L27/32 ,  H01L27/12 ,  H01L29/786 ,  H01L51/52 ,  G09G3/3208

Abstract: A display device includes a substrate, a corrosion prevention layer on the substrate and including an inorganic material, a first conductive layer on the corrosion prevention layer and including aluminum or an aluminum alloy, a first insulating film on the first conductive layer, a semiconductor layer on the first insulating film and including a channel region of a transistor, a second insulating film on the semiconductor layer, and a second conductive layer on the second insulating film and including a barrier layer, which includes titanium, and a main conductive layer, which includes aluminum or an aluminum alloy, wherein the semiconductor layer includes an oxide semiconductor, and the barrier layer is between the semiconductor layer and the main conductive layer and overlaps the channel region of the transistor.