公开(公告)号：US20240339489A1

公开(公告)日：2024-10-10

申请号：US18745970

申请日：2024-06-17

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Joo Woan CHO ,  Dae Ho SONG ,  Tae Hee LEE ,  Hyung Il JEON ,  Byeong Hwa CHOI

IPC: H01L27/15 ,  H01L23/00 ,  H01L23/48 ,  H01L25/18 ,  H01L27/105

CPC classification number: H01L27/156 ,  H01L23/481 ,  H01L24/06 ,  H01L25/18 ,  H01L24/05 ,  H01L24/08 ,  H01L24/16 ,  H01L24/48 ,  H01L27/105 ,  H01L2224/05025 ,  H01L2224/05541 ,  H01L2224/0613 ,  H01L2224/06181 ,  H01L2224/08225 ,  H01L2224/16145 ,  H01L2224/48229

Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.

公开(公告)号：US20230146518A1

公开(公告)日：2023-05-11

申请号：US17854550

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Sung Kook PARK ,  Sung Eun BAEK ,  Dae Ho SONG ,  Hyung Il JEON ,  Byeong Hwa CHOI

IPC: H01L33/50 ,  H01L33/10 ,  H01L33/38

CPC classification number: H01L33/505 ,  H01L33/10 ,  H01L33/382

Abstract: A display device includes bank patterns disposed on a substrate, a light emitting element disposed between the bank patterns on the substrate, and a color wheel disposed on the light emitting element. The light emitting element and the bank patterns include a same material.

公开(公告)号：US20220352444A1

公开(公告)日：2022-11-03

申请号：US17571322

申请日：2022-01-07

Applicant: Samsung Display Co., LTD.

Inventor： Joo Woan CHO ,  Sung Kook PARK ,  Dae Ho SONG ,  Byung Choon YANG ,  Hyung Il JEON ,  Jin Woo CHOI

IPC: H01L33/62 ,  H01L33/38 ,  H01L33/64 ,  H01L27/15

Abstract: A display device includes a first substrate, light emitting elements and a connection electrode on a first surface of the first substrate, and electrically connected to the light emitting elements, first pads spaced from the connection electrode in a direction, second pads spaced from the connection electrode in another direction, a circuit board including a first circuit board pad and a second circuit board pad, a first pad connection electrode connected to the first pads and the first circuit board pad, and including a first connection part in a first via hole passing through the first substrate, and a first electrode part on the first substrate, and a second pad connection electrode connected to the second pads and the second circuit board pad, and including a second connection part in a second via hole passing through the first substrate, and a second electrode part on the first substrate.

公开(公告)号：US20220352241A1

公开(公告)日：2022-11-03

申请号：US17565056

申请日：2021-12-29

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Sung Kook PARK ,  Ki Seong SEO ,  Dae Ho SONG ,  So Yeon YOON ,  Ok Yi LEE ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/38 ,  H01L33/00

Abstract: A display device includes a substrate, pixel electrodes on the substrate, light emitting elements on corresponding ones of the pixel electrodes, a first partition wall around sides of each of the light emitting elements, a common electrode on an upper surface of each of the light emitting elements, wavelength conversion layers on the common electrode, and a second partition wall around sides of each of the wavelength conversion layers. The first partition wall has conductivity.

公开(公告)号：US20210384180A1

公开(公告)日：2021-12-09

申请号：US17285328

申请日：2018-12-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jin Woo CHOI ,  Min Woo KIM ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L25/16 ,  H01L23/00 ,  H01L21/683

Abstract: A display device and a method of manufacturing the display device are proposed. The method may include disposing light emitting elements on a first transfer film; stretching the first transfer film so that the plurality of light emitting elements are spaced apart from each other; transferring the light emitting elements onto a thin film transistor array substrate; and removing the transfer film from the light emitting elements.

公开(公告)号：US20240387477A1

公开(公告)日：2024-11-21

申请号：US18613808

申请日：2024-03-22

Applicant: Samsung Display Co., LTD.

Inventor： Jin Woo CHOI ,  Dae Ho SONG ,  Hyung Il JEON

IPC: H01L25/075 ,  H01L33/50 ,  H01L33/54

Abstract: A display device includes light emitting elements including a porous layer, a first protective layer disposed on the light emitting elements and including an opening exposing a side surface of the porous layer, and a second protective layer covering the opening of the first protective layer. The porous layer includes a color conversion material.

公开(公告)号：US20230215903A1

公开(公告)日：2023-07-06

申请号：US17949841

申请日：2022-09-21

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Byung Choon YANG ,  Tae Hee LEE ,  Joo Woan CHO ,  Byeong Hwa CHOI ,  Hae Yun CHOI

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display device includes: a substrate; a first pixel electrode on the substrate; a second pixel electrode on the substrate and spaced apart from the first pixel electrode; a first light emitting element on the first pixel electrode and configured to emit first light; a first connection electrode on the second pixel electrode; a first partition wall between a side surface of the first light emitting element and a side surface of the first connection electrode; a second light emitting element on the first connection electrode and configured to emit second light; and a common electrode on an upper surface of the first light emitting element and an upper surface of the second light emitting element.

公开(公告)号：US20230122324A1

公开(公告)日：2023-04-20

申请号：US17889819

申请日：2022-08-17

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Min Woo KIM ,  Sung Kook PARK ,  Ki Seong SEO ,  Dae Ho SONG ,  Jin Woo CHOI

IPC: H01L27/15

Abstract: A display device includes a first pixel, a second pixel, and a third pixel, bank patterns disposed on a substrate, light-emitting elements disposed between the bank patterns, color conversion layers disposed on the light-emitting elements between the bank patterns, and protective layers disposed on the color conversion layers, wherein the protective layers in the first pixel, the second pixel, and the third pixel have different thicknesses.

公开(公告)号：US20230069326A1

公开(公告)日：2023-03-02

申请号：US17829940

申请日：2022-06-01

Applicant: Samsung Display Co., LTD.

Inventor： Sung Eun BAEK ,  Sung Kook PARK ,  Ki Seong SEO ,  Hyung Il JEON ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/00

Abstract: A display device includes pixels that are arranged in a display area in a first direction and a second direction and that include first electrodes separated from each other and light emitting elements electrically connected to the first electrodes; second electrodes that are arranged separately from each other in the first direction and are electrically connected to the light emitting elements of the pixels arranged in the second direction; a first pad part including a first pad electrically connected to the first electrodes; and a second pad part including second pads electrically connected to different second electrodes among the second electrodes.

公开(公告)号：US20230060443A1

公开(公告)日：2023-03-02

申请号：US17869088

申请日：2022-07-20

Applicant: Samsung Display Co., LTD.

Inventor： Hyung Il JEON ,  Sung Kook PARK ,  Sung Eun BAEK ,  Ki Seong SEO ,  So Yeon YOON ,  Jin Woo CHOI

IPC: H01L25/16 ,  H01L33/54

Abstract: A display device includes a first electrode disposed on a substrate. A light blocking layer is disposed on the substrate, the light blocking layer includes a recessed portion recessed toward the first electrode. Holes exposing the first electrode are formed in the recessed portion of the light blocking layer. Light emitting elements are disposed in the holes, each of the light emitting elements including a first end electrically contacting the first electrode. A second electrode is disposed on the light blocking layer, the second electrode electrically contacts a second end of each of the light emitting elements. A light conversion pattern is disposed in the recessed portion of the light blocking layer.