公开(公告)号：US12183771B2

公开(公告)日：2024-12-31

申请号：US17520227

申请日：2021-11-05

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Geun Lee ,  Byung Ju Lee ,  Hoo Keun Park ,  Chul Jong Yoo ,  Dong Eon Lee

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

Abstract: A display device includes a first subpixel and a second subpixel, wherein the first subpixel includes a first light source unit including a plurality of first light-emitting elements configured to emit first light having a center wavelength of a first wavelength, the second subpixel includes a second light source unit including a plurality of second light-emitting elements configured to emit second light having a center wavelength of a second wavelength, the first light source unit includes first to nth light-emitting groups that are connected in series, each of the groups including the plurality of first light-emitting elements, the second light source unit includes first to mth light-emitting groups that are connected in series and each of the groups includes the plurality of second light-emitting elements, where n and m are natural numbers, and the second wavelength is different from the first wavelength.

公开(公告)号：US12125838B2

公开(公告)日：2024-10-22

申请号：US18483467

申请日：2023-10-09

Applicant: Samsung Display Co., LTD.

Inventor： Seung Geun Lee ,  Jin Wan Kim ,  Sang Jo Kim ,  Su Jeong Kim

IPC: H01L25/18 ,  G09G3/20 ,  G09G3/32 ,  H01L27/15 ,  H01L23/00

CPC classification number: H01L25/18 ,  G09G3/2018 ,  G09G3/32 ,  H01L27/156 ,  G09G2300/0426 ,  G09G2310/08 ,  H01L24/05 ,  H01L24/06 ,  H01L24/13 ,  H01L24/16 ,  H01L24/48 ,  H01L24/80 ,  H01L24/81 ,  H01L2224/05124 ,  H01L2224/05573 ,  H01L2224/05582 ,  H01L2224/05611 ,  H01L2224/05624 ,  H01L2224/05644 ,  H01L2224/05647 ,  H01L2224/05686 ,  H01L2224/0603 ,  H01L2224/13082 ,  H01L2224/13111 ,  H01L2224/13124 ,  H01L2224/13144 ,  H01L2224/13147 ,  H01L2224/13186 ,  H01L2224/16145 ,  H01L2224/48157 ,  H01L2224/80801 ,  H01L2224/81801 ,  H01L2924/0549 ,  H01L2924/12041

Abstract: A display device comprises a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and a common electrode layer on the light emitting element, and configured to receive a common voltage, wherein the light emitting element configured to emit a first light according to a driving current having a first current density, is configured to emit a second light according to a driving current having a second current density, and is configured to emit a third light according to a driving current having a third current density.

公开(公告)号：US12170344B2

公开(公告)日：2024-12-17

申请号：US17583800

申请日：2022-01-25

Applicant: Samsung Display Co., LTD.

Inventor： Byung Ju Lee ,  Dae Ho Song ,  Jin Woo Choi ,  Jin Wan Kim ,  Seung Geun Lee

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

Abstract: A display device includes a base substrate, a partitioning wall on the base substrate, wherein the partitioning wall includes a first partitioning wall, and a second partitioning wall on the first partitioning wall, and a light emitting element spaced from the partitioning wall and located in a space surrounded by the partitioning wall in a plan view. The first partitioning wall and the light emitting element include a same material. The second partitioning wall includes a transparent conductive oxide.

公开(公告)号：US11784177B2

公开(公告)日：2023-10-10

申请号：US17752620

申请日：2022-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Seung Geun Lee ,  Jin Wan Kim ,  Sang Jo Kim ,  Su Jeong Kim

IPC: H01L25/18 ,  H01L27/15 ,  G09G3/32 ,  G09G3/20 ,  H01L23/00

CPC classification number: H01L25/18 ,  G09G3/2018 ,  G09G3/32 ,  H01L27/156 ,  G09G2300/0426 ,  G09G2310/08 ,  H01L24/05 ,  H01L24/06 ,  H01L24/13 ,  H01L24/16 ,  H01L24/48 ,  H01L24/80 ,  H01L24/81 ,  H01L2224/05124 ,  H01L2224/05573 ,  H01L2224/05582 ,  H01L2224/05611 ,  H01L2224/05624 ,  H01L2224/05644 ,  H01L2224/05647 ,  H01L2224/05686 ,  H01L2224/0603 ,  H01L2224/13082 ,  H01L2224/13111 ,  H01L2224/13124 ,  H01L2224/13144 ,  H01L2224/13147 ,  H01L2224/13186 ,  H01L2224/16145 ,  H01L2224/48157 ,  H01L2224/80801 ,  H01L2224/81801 ,  H01L2924/0549 ,  H01L2924/12041

Abstract: A display device comprises a substrate, a pixel electrode on the substrate, a light emitting element on the pixel electrode, and a common electrode layer on the light emitting element, and configured to receive a common voltage, wherein the light emitting element configured to emit a first light according to a driving current having a first current density, is configured to emit a second light according to a driving current having a second current density, and is configured to emit a third light according to a driving current having a third current density.

公开(公告)号：US11942025B2

公开(公告)日：2024-03-26

申请号：US17855251

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan Kim ,  Seung Geun Lee ,  Sang Jo Kim ,  Su Jeong Kim ,  Young Jin Song ,  Byung Ju Lee

IPC: G09G3/32 ,  G09G3/20 ,  H01L25/18 ,  H01L27/15 ,  H01L23/00

CPC classification number: G09G3/32 ,  G09G3/2007 ,  H01L25/18 ,  H01L27/156 ,  G09G2300/0452 ,  H01L24/05 ,  H01L24/08 ,  H01L24/13 ,  H01L24/16 ,  H01L24/48 ,  H01L24/73 ,  H01L24/81 ,  H01L2224/05573 ,  H01L2224/05582 ,  H01L2224/05611 ,  H01L2224/05624 ,  H01L2224/05644 ,  H01L2224/05647 ,  H01L2224/05687 ,  H01L2224/08148 ,  H01L2224/13082 ,  H01L2224/13111 ,  H01L2224/13124 ,  H01L2224/13144 ,  H01L2224/13147 ,  H01L2224/16145 ,  H01L2224/48157 ,  H01L2224/73207 ,  H01L2224/80801 ,  H01L2224/81801

Abstract: A display device includes a substrate, a plurality of pixel electrodes on the substrate and spaced apart from each other, a plurality of light-emitting elements on the plurality of pixel electrodes, respectively, and a common electrode layer on the plurality of light-emitting elements and to which a common voltage is applied. The plurality of light-emitting elements include a first light-emitting element that is configured to emit first light according to a first driving current and a second light-emitting element that is configured to emit second light according to a second driving current. An active layer of the first light-emitting element is the same as an active layer of the second light-emitting element.

公开(公告)号：US20230111380A1

公开(公告)日：2023-04-13

申请号：US18045814

申请日：2022-10-11

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan Kim ,  Seung Geun Lee ,  Sang Jo KIM ,  Hoo Keun Park

IPC: H01L27/15 ,  H01L33/06 ,  H01L33/38 ,  H01L33/62 ,  H01L33/00

Abstract: A display device and a method for manufacturing the same are provided. The display device includes a substrate, pixel electrodes on the substrate, and light emitting elements on the pixel electrodes, each of the light emitting elements including a first stack configured to emit first light, a second stack below the first stack, and configured to emit second light, a third stack below the second stack, and configured to emit third light, and tunnel function layers respectively between the first stack and the second stack, and between the second stack and the third stack.