公开(公告)号：US11978834B2

公开(公告)日：2024-05-07

申请号：US17415893

申请日：2019-06-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Bek Hyun Lim ,  Veidhes Basrur ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Je Won Yoo

IPC: H01L33/54 ,  H01L25/16 ,  H01L33/62 ,  H01L23/00

CPC classification number: H01L33/54 ,  H01L25/167 ,  H01L33/62 ,  H01L24/24 ,  H01L2224/24147 ,  H01L2924/12041 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.

公开(公告)号：US11870024B2

公开(公告)日：2024-01-09

申请号：US17266387

申请日：2019-02-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Dae Hyun Kim ,  Myeong Hee Kim ,  Veidhes Basrur ,  Je Won Yoo ,  Bek Hyun Lim

IPC: G09G3/32 ,  H01L33/62 ,  H01L27/15 ,  H01L33/00 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L27/156 ,  H01L33/005 ,  H01L33/382 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device may include a substrate including a display area and a non-display area; and pixels provided in the display area, each of the plurality of pixels comprising sub-pixels. Each of the plurality of sub-pixels may include a pixel circuit layer including at least one transistor, and a display element layer including an emission area and a peripheral area, a first electrode provided in the emission area, a second electrode spaced apart from the first electrode, at least one light emitting element provided in the emission area, and including a first end electrically connected to the first electrode, and a second end electrically connected to the second electrode; a first connection line provided in the peripheral area; and a bridge pattern provided in the peripheral area, and diverging from the first connection line. The bridge pattern may be electrically disconnected from each of the first and second electrodes.

公开(公告)号：US11867612B2

公开(公告)日：2024-01-09

申请号：US17205487

申请日：2021-03-18

Applicant: Samsung Display Co., LTD.

Inventor： Je Won Yoo ,  Basrur Veidhes ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Won Lee ,  Joo Yeol Lee

IPC: G01N21/25 ,  G02B21/06 ,  G02B21/36 ,  G01N21/17 ,  G02B21/26 ,  G01R31/26 ,  G01R31/265

CPC classification number: G01N21/255 ,  G01N21/1717 ,  G01R31/2635 ,  G01R31/2656 ,  G02B21/06 ,  G02B21/26 ,  G02B21/361 ,  G01N2021/1721

Abstract: An optical inspection apparatus includes a stage that supports a target substrate, the target substrate including a plurality of light emitting elements, a jig that applies an electrical signal to the target substrate, the jig including a regulation resistor, a microscope that generates magnified image data of the target substrate, a camera that captures the magnified image data to generate a color image of the target substrate, and an optical measurement unit that captures the magnified image data of the target substrate to generate a spectrum image and measure optical characteristics of the target substrate.

公开(公告)号：US11848335B2

公开(公告)日：2023-12-19

申请号：US17755970

申请日：2020-10-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Sik Oh ,  Hyun Min Cho ,  Dae Hyun Kim

IPC: H01L27/12 ,  G09G3/32 ,  H01L23/00 ,  H01L25/16 ,  H01L33/62 ,  H01L33/32

CPC classification number: H01L27/124 ,  G09G3/32 ,  H01L24/24 ,  H01L24/25 ,  H01L25/167 ,  H01L33/62 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0852 ,  G09G2320/0223 ,  H01L33/32 ,  H01L2224/24051 ,  H01L2224/24147 ,  H01L2224/2512 ,  H01L2224/25175 ,  H01L2924/12041

Abstract: A display device may include a first scan line, a first data line and a second data line, a first read-out line and a second read-out line. A first sub-pixel may be connected to the first scan line, the first data line, and the first read-out line. A second sub-pixel may be connected to the first scan line, the first data line, and the second read-out line. A third sub-pixel may be connected to the first scan line, the second data line, and the first read-out line. Each of the first sub-pixel, the second sub-pixel, and the third sub-pixel may include at least one light emitting element.

公开(公告)号：US11817474B2

公开(公告)日：2023-11-14

申请号：US17818345

申请日：2022-08-08

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Jin Oh Kwag ,  Dong Hyun Kim ,  Keun Kyu Song ,  Hyun Deok Im ,  Sung Chan Jo

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

CPC classification number: H01L27/156 ,  H01L33/38 ,  H01L33/62

Abstract: A display device comprises a first electrode, a second electrode disposed to be spaced apart from the first electrode and face the first electrode, a first insulating layer disposed to cover the first electrode and the second electrode, a second insulating layer disposed on at least a part of the first insulating layer and exposing at a part of a region where the first electrode and the second electrode overlaps the first insulating layer and at least one light emitting element on the exposed first insulating layer between the first electrode and the second electrode, wherein the second insulating layer includes at least one opening exposing the first insulating layer and disposed to be spaced apart from each other on a region where the first electrode and the second electrode face each other, and a bridge portion between the openings, and the light emitting element is disposed on the opening.

公开(公告)号：US11798926B2

公开(公告)日：2023-10-24

申请号：US17364042

申请日：2021-06-30

Applicant: Samsung Display Co., LTD.

Inventor： An Na Ryu ,  Jin Oh Kwag ,  Dae Hyun Kim

IPC: H01L25/16 ,  H01L27/12 ,  H01L33/62 ,  H01L33/50

CPC classification number: H01L25/167 ,  H01L27/1248 ,  H01L33/62 ,  H01L33/507 ,  H01L2933/0091

Abstract: A display device comprises a first substrate, a conductive layer including a first electrode on the first substrate, an interlayer insulating layer on the conductive layer, a via layer on the interlayer insulating layer and including a hole exposing a part of a top surface of the interlayer insulating layer, a second electrode spaced apart from the hole and on the via layer, light emitting elements inside the hole of the via layer, a first contact electrode electrically connected to the first electrode and a first end of the light emitting elements, and a second contact electrode on the via layer and electrically connected to a second end of the light emitting elements. At least a part of the light emitting elements are placed on an inner wall of the hole.

公开(公告)号：US11367823B2

公开(公告)日：2022-06-21

申请号：US17049950

申请日：2018-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Hyun Min Cho ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Keun Kyu Song ,  Joo Yeol Lee ,  Bek Hyun Lim ,  Sung-Chan Jo

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/24 ,  H01L33/60

Abstract: A light emitting device may include: a substrate including a plurality of unit light emitting regions; and first to fourth insulating layers sequentially on the substrate. Each of the unit light emitting regions may include: at least one light emitting element on the first insulating layer, the at least one light emitting element including a first end portion and a second end portion in a length direction thereof; first and second banks on the substrate; a first electrode on the first bank and a second electrode on the second bank; a first contact electrode on the first electrode; a second contact electrode on the second electrode; and a conductive pattern provided between the first insulating layer and the first contact electrode, the conductive pattern surrounding the first and second electrodes when viewed on a plane.

公开(公告)号：US11069829B2

公开(公告)日：2021-07-20

申请号：US16435313

申请日：2019-06-07

Applicant: Samsung Display Co. Ltd.

Inventor： Jung Hong Min ,  Dae Hyun Kim ,  Hyun Min Cho ,  Jong Hyuk Kang ,  Dong Uk Kim ,  Seung A Lee ,  Hyun Deok Im ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L33/30

Abstract: Provided is a method of manufacturing a light-emitting element, the method including positioning a substrate, forming a first separation layer, which includes a first sacrificial layer, an etching control layer on the first sacrificial layer, and a second sacrificial layer on the etching control layer, on the substrate, forming at least one first light-emitting element on the first separation layer, and separating the first light-emitting element from the substrate.

公开(公告)号：US11005009B2

公开(公告)日：2021-05-11

申请号：US16456821

申请日：2019-06-28

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Hyun Kim ,  Jong Hyuk Kang ,  Joo Yeol Lee ,  Hyun Deok Im ,  Chi O Cho ,  Hyun Min Cho

IPC: H01L33/24 ,  H01L33/00 ,  H01L33/16 ,  H01L27/15 ,  H01L33/32 ,  H01L33/38 ,  H01L33/44 ,  H01L25/075 ,  G09G3/32 ,  H01L27/12

Abstract: A light emitting device including first and second electrodes spaced apart from each other on a substrate, at least one bar-type LED having a first end on the first electrode and a second end on the second electrode, and an insulative support body between the substrate and the bar-type LED. The at least one bar-type LED has a length greater than a width.

公开(公告)号：US10803790B2

公开(公告)日：2020-10-13

申请号：US16191306

申请日：2018-11-14

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Sung Chul Kim ,  Hye Yong Chu ,  Jong Hyuk Kang ,  Dae Hyun Kim ,  Keun Kyu Song ,  Hyun Deok Im

IPC: G09G3/3208 ,  G09G3/32

Abstract: A display device includes a plurality of data lines to supply data voltages, a plurality of scan lines to supply scan signals, and a first pixel connected to at least one of the plurality of data lines, and connected to at least one of the plurality of scan lines, the first pixel including a first light-emitting diode of a first color, in which an anode is connected to a first node and a cathode is connected to a reference voltage line, and a second light-emitting diode of a second color that is different from the first color, in which an anode is connected to the reference voltage line, and a cathode is connected to the first node.