公开(公告)号：US20230180545A1

公开(公告)日：2023-06-08

申请号：US18161844

申请日：2023-01-30

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: H10K59/126 ,  H10K59/131

CPC classification number: H10K59/126 ,  H10K59/1315 ,  H01L27/124

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.

公开(公告)号：US20230163217A1

公开(公告)日：2023-05-25

申请号：US17870805

申请日：2022-07-21

Applicant: Samsung Display Co., LTD.

Inventor： Kyoung Won LEE ,  Eun Hye KO ,  Yeon Hong KIM ,  Eun Hyun KIM ,  Hyung Jun KIM ,  Sun Hee LEE ,  Jun Hyung LIM

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

CPC classification number: H01L29/7869 ,  H01L27/1225 ,  H01L27/1218 ,  H01L29/66969

Abstract: A thin-film transistor includes a light-shielding layer disposed on a substrate, an oxygen supply layer disposed on the light-shielding layer and including a metal oxide, a buffer layer disposed on the substrate and covering the oxygen supply layer, an active layer disposed on the buffer layer, where the active layer includes a channel area overlapping the light-shielding layer, and a first electrode area and a second electrode area respectively in contact with opposing sides of the channel area, a gate insulating layer disposed on the channel area of the active layer.

公开(公告)号：US20220140032A1

公开(公告)日：2022-05-05

申请号：US17343817

申请日：2021-06-10

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoung Won LEE ,  Eun Hye KO ,  Yeon Hong KIM ,  Eun Hyun KIM ,  Sun Hee LEE ,  Jun Hyung LIM

IPC: H01L27/32 ,  H01L51/56

Abstract: A display device according to an embodiment includes: a first metal layer disposed on a substrate; a first insulating layer disposed on the first metal layer; a first transistor disposed on the first insulating layer and including a semiconductor layer; and a light-emitting device electrically connected to the first transistor, wherein the first metal layer includes a first portion with a first thickness and a second portion with a second thickness, the second thickness is greater than the first thickness, and the semiconductor layer is electrically connected to the first metal layer.

公开(公告)号：US20240341132A1

公开(公告)日：2024-10-10

申请号：US18745977

申请日：2024-06-17

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: H10K59/126 ,  H01L27/12 ,  H10K59/12 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/126 ,  H10K59/1315 ,  H01L27/124 ,  H10K59/1201 ,  H10K59/1213

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.

公开(公告)号：US20240292658A1

公开(公告)日：2024-08-29

申请号：US18383899

申请日：2023-10-26

Applicant: Samsung Display Co., Ltd.

Inventor： Jung Hoon LEE ,  Jong Beom KO ,  Yeon Hong KIM ,  Eun Hyun KIM ,  Sun Hee LEE ,  Hyun Mo LEE

IPC: H10K59/121 ,  H10K59/12

CPC classification number: H10K59/1213 ,  H10K59/1201

Abstract: The present disclosure relates to a display device, more particularly, to a display device in which the number of contact holes may be reduced to improve space utilization of pixels, and the method for fabricating the same. According to an embodiment of the disclosure, the display device includes a first active layer, a first transistor connected to the first active layer, a pixel electrode connected to the first transistor, a second active layer including a material different from a material of the first active layer, and a second transistor connected to the second active layer. At least a portion of the second active layer is directly connected to at least a portion of the first active layer.

公开(公告)号：US20210043707A1

公开(公告)日：2021-02-11

申请号：US16937035

申请日：2020-07-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sang Ho PARK ,  Yeon Hong KIM ,  Jin Yeong KIM ,  Jin Taek KIM ,  Soo hyun MOON ,  Mi Jin PARK ,  Tae Hoon YANG ,  Sung-Jin LEE ,  Jin Woo LEE ,  Kwang Taek HONG

IPC: H01L27/32 ,  G09G3/3233 ,  G09G3/3258

Abstract: A light emitting diode display device including: an organic light emitting diode including an anode electrode; a first transistor for providing a current to the anode electrode of the organic light emitting diode; a second transistor for transmitting a voltage to a gate electrode of the first transistor; a first capacitor for storing the voltage transmitted to the gate electrode of the first transistor; and a second capacitor disposed between a first electrode of the second transistor and a data line, wherein the first electrode of the second transistor is directly connected to the anode electrode of the organic tight emitting diode.

公开(公告)号：US20240162235A1

公开(公告)日：2024-05-16

申请号：US18509934

申请日：2023-11-15

Applicant: Samsung Display Co., LTD.

Inventor： Yeoung Keol WOO ,  Sang Wook LEE ,  Yeon Hong KIM ,  Yung Bin CHUNG

IPC: H01L27/12 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L27/1225 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/127

Abstract: A display device includes: a substrate; a first semiconductor layer and a dummy semiconductor layer on the same layer on a surface of the substrate and comprising the same material as each other; a second semiconductor layer overlapping the dummy semiconductor layer in a direction perpendicular to the surface of the substrate, the first semiconductor layer and the second semiconductor layer comprising different materials from each other; a first transistor comprising the first semiconductor layer, a first source electrode, and a first drain electrode, the first source electrode and the first drain electrode being connected to the first semiconductor layer; a second transistor comprising the second semiconductor layer, a second source electrode, and a second drain electrode, the second source electrode and the second drain electrode being connected to the second semiconductor layer; and a light- emitting element connected to the first transistor.

公开(公告)号：US20240040920A1

公开(公告)日：2024-02-01

申请号：US18343231

申请日：2023-06-28

Applicant: Samsung Display Co., LTD.

Inventor： Kyoung Won LEE ,  Eun Hye KO ,  Yeon Hong KIM ,  Eun Hyun KIM ,  Sun Hee LEE

IPC: H10K59/88 ,  H10K59/121 ,  H10K59/126 ,  H10K59/12

CPC classification number: H10K59/88 ,  H10K59/1213 ,  H10K59/126 ,  H10K59/1201

Abstract: A display device includes a light blocking layer positioned on a substrate and including a first portion and a second portion having a thickness greater than a thickness of the first portion; a buffer layer positioned above the light blocking layer; a semiconductor layer positioned over the buffer layer and including a source region, a channel region, and a drain region; a gate insulating layer positioned over the semiconductor layer; a gate electrode positioned over the gate insulating layer; an interlayer insulating layer positioned over the gate electrode, and including a first opening overlapping the second portion of the light blocking layer in a plan view and a second opening overlapping the source region of the semiconductor layer in a plan view; and a dummy gate electrode positioned on a side surface of the first opening.

公开(公告)号：US20220020837A1

公开(公告)日：2022-01-20

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

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.