公开(公告)号：US20220238722A1

公开(公告)日：2022-07-28

申请号：US17543627

申请日：2021-12-06

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Yun KIM ,  Taekyung Ahn ,  Youngdae Kim

IPC: H01L29/786 ,  H01L29/45 ,  C22C27/04 ,  H01L27/12

Abstract: A display substrate including a base substrate, a first thin film transistor disposed on the base substrate and including a first gate electrode and a first semiconductor active layer; a second thin film transistor electrically connected to the first thin film transistor, the second thin film transistor including a second gate electrode and a second semiconductor active layer; and an organic light emitting device electrically connected to the second thin film transistor. The first semiconductor active layer includes a first material and the second semiconductor active layer includes a second material different from the first material.

公开(公告)号：US10665785B2

公开(公告)日：2020-05-26

申请号：US15864472

申请日：2018-01-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngdae Kim ,  Sangjin Park ,  Minjae Jeong

IPC: G03F7/20 ,  C23C14/04 ,  H01L51/00 ,  H01L51/56 ,  G03F7/039 ,  G03F7/038 ,  G03F7/26 ,  G03F7/09 ,  G03F7/095 ,  G03F7/213 ,  G03F7/12

Abstract: A method of manufacturing a mask includes attaching a first mask base substrate and a second mask base substrate to opposite sides of an adhesive layer, forming a photoresist layer on the first and second mask base substrates, exposing and developing the photoresist layer to remove the photoresist layer on effective area at centers of surfaces of the first and second mask base substrates such that the first photoresist layer remains on non-effective areas at edges of surfaces of the first mask base substrate and the second mask base substrate, etching the effective area to form a stepped groove on the first and second mask base substrates, separating the first and second mask base substrates from the adhesive layer, and forming a pattern hole in the effective area of first and second mask base substrates, each with the first stepped groove thereon.

公开(公告)号：US11705540B2

公开(公告)日：2023-07-18

申请号：US18046764

申请日：2022-10-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chongsup Chang ,  Youngdae Kim ,  Hyunae Kim ,  Euikang Heo

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  H01L27/12

CPC classification number: H01L33/38 ,  H01L27/156 ,  H01L33/62 ,  H01L27/1251 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a substrate, a first electrode disposed on the substrate, a second electrode disposed on the substrate and spaced apart from the first electrode, a plurality of first protruding electrodes disposed on the first electrode, a plurality of second protruding electrodes disposed on the second electrode, and a plurality of light emitting elements electrically connected to the plurality of first protruding electrodes and the plurality of second protruding electrodes.

公开(公告)号：US20230134755A1

公开(公告)日：2023-05-04

申请号：US18088881

申请日：2022-12-27

Applicant: Samsung Display Co., Ltd.

Inventor： Mijung Han ,  Youngdae Kim

IPC: H10K50/844 ,  H10K59/122 ,  H10K77/10

Abstract: A display apparatus includes a display element; a substrate including: an opening area, a display area adjacent to the opening area, a non-display area between the opening area and the display area, and a boundary line separating the opening area from the non-display area; an encapsulation layer including: a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in the display area, and the first inorganic encapsulation layer and the second inorganic encapsulation layer extending from the display area to the non-display area; and a dam portion in the non-display area and corresponding to the boundary line. The dam portion which corresponds to the boundary line includes a plurality of grooves in which the first inorganic encapsulation layer and the second inorganic encapsulation layer which are in the non-display area, are in contact with each other.

公开(公告)号：US10664083B2

公开(公告)日：2020-05-26

申请号：US16183157

申请日：2018-11-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yonghwan Ryu ,  Youngdae Kim ,  Heena Kim ,  Sangjin Park ,  Taehyeok Choi ,  Euikang Heo

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044

Abstract: A display apparatus includes an encapsulation layer, a display device, a touch layer, and an organic insulating layer. The encapsulation layer is on and covers the display device. The touch layer is above the encapsulation layer and includes a plurality of sensing electrodes, each of which includes a conductive layer having a first metal layer, a second metal layer above the first metal layer, and a third metal layer between the first metal layer and the second metal layer and exposed side surfaces. The organic insulating layer is above and covers the touch layer and is spaced apart from the side surfaces of the third metal layer.

公开(公告)号：US10068957B2

公开(公告)日：2018-09-04

申请号：US15440134

申请日：2017-02-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Youngdae Kim ,  Taewook Kang

IPC: H01L27/00 ,  H01L27/32 ,  H01L27/146 ,  H01L51/52

Abstract: A display apparatus includes a substrate, a plurality of pixel electrodes disposed over the substrate, first metal patterns disposed over the plurality of pixel electrodes and between adjacent pixel electrodes, a first insulating layer disposed over the first metal patterns, second metal patterns disposed over the first insulating layer, in which each second metal pattern is electrically connected to one of the first metal patterns through a contact hole in the first insulating layer, and a light-blocking layer covering the second metal patterns and including first openings respectively corresponding to one of the plurality of pixel electrodes, in which each of the first openings exposes a portion of the first insulating layer.

公开(公告)号：US09276078B2

公开(公告)日：2016-03-01

申请号：US13940865

申请日：2013-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Yun Kim ,  Taekyung Ahn ,  Youngdae Kim

IPC: H01L23/532 ,  H01L29/45 ,  H01L27/32

CPC classification number: H01L29/78618 ,  C22C27/04 ,  H01L27/1225 ,  H01L27/3262 ,  H01L29/45 ,  H01L29/458 ,  H01L29/7869

Abstract: A display substrate includes a base substrate, a semiconductor active layer disposed on the base substrate, a gate insulating layer disposed on the semiconductor active layer, a first conductive pattern group disposed on the gate insulating layer and including at least a gate electrode, a second conductive pattern group insulated from the first conductive pattern group and including at least a source electrode, a drain electrode, and a data pad. The second conductive pattern group includes a first conductive layer and a second conductive layer disposed on the first conductive layer to prevent the first conductive layer from being corroded and oxidized.

Abstract translation: 显示基板包括基底基板，设置在基底基板上的半导体有源层，设置在半导体有源层上的栅极绝缘层，设置在栅极绝缘层上并且至少包括栅电极的第一导电图案组， 导电图案组与第一导电图案组绝缘并且至少包括源电极，漏电极和数据焊盘。 第二导电图案组包括设置在第一导电层上的第一导电层和第二导电层，以防止第一导电层被腐蚀和氧化。

公开(公告)号：US12183225B2

公开(公告)日：2024-12-31

申请号：US17291008

申请日：2019-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： Cha-dong Kim ,  Youngdae Kim ,  Hyunae Kim ,  Chongsup Chang ,  Eui-kang Heo

IPC: G09G3/00 ,  G09G3/3233 ,  G09G3/3291 ,  H01L29/786

Abstract: A display apparatus includes a base substrate including a display region in which an image is displayed and a peripheral region that is a non-display region adjacent to the display region, a plurality of pixels disposed on the base substrate in the display region, each of the pixels including a thin film transistor that includes an oxide semiconductor pattern, a data driver disposed in the peripheral region and configured to provide a data voltage to the pixels, and a plurality of test patterns disposed on the base substrate in the peripheral region, each of the test patterns including a test thin film transistor that includes a test oxide semiconductor pattern.

公开(公告)号：US11557746B2

公开(公告)日：2023-01-17

申请号：US16922123

申请日：2020-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Mijung Han ,  Youngdae Kim

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/00

Abstract: A display apparatus includes a display element; a substrate including: an opening area, a display area adjacent to the opening area, a non-display area between the opening area and the display area, and a boundary line separating the opening area from the non-display area; an encapsulation layer including: a first inorganic encapsulation layer, an organic encapsulation layer and a second inorganic encapsulation layer in the display area, and the first inorganic encapsulation layer and the second inorganic encapsulation layer extending from the display area to the non-display area; and a dam portion in the non-display area and corresponding to the boundary line. The dam portion which corresponds to the boundary line includes a plurality of grooves in which the first inorganic encapsulation layer and the second inorganic encapsulation layer which are in the non-display area, are in contact with each other.

公开(公告)号：US11508762B2

公开(公告)日：2022-11-22

申请号：US17159518

申请日：2021-01-27

Applicant: Samsung Display Co., Ltd.

Inventor： Youngdae Kim ,  Jinseock Kim ,  Jonghee Park

IPC: H01L27/12 ,  H01L21/67 ,  H01L21/3213 ,  H01L21/677

Abstract: A substrate processing apparatus includes a first process chamber in which a target substrate is processed, a first tank connected to the first process chamber to supply a first chemical to the first process chamber, a second process chamber in which the target substrate is processed, and a second tank connected to the second process chamber to supply a second chemical to the second process chamber. A metal ion contained in the first chemical supplied to the first process chamber has an ion concentration greater than an ion concentration of the metal ion contained in the second chemical supplied to the second process chamber.