公开(公告)号：US20230352640A1

公开(公告)日：2023-11-02

申请号：US18022402

申请日：2021-08-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chul Jong YOO ,  Dong Eon LEE ,  Myeong Hee KIM ,  Hoo Keun PARK ,  Byung Ju LEE ,  So Young LEE ,  Seung Geun LEE ,  Seung A LEE ,  Jong Won LEE ,  Ji Hyun HAM

IPC: H01L33/60 ,  H01L25/16

CPC classification number: H01L33/60 ,  H01L25/167

Abstract: A includes a substrate including a plurality of pixels, a plurality of transistors disposed on the substrate, a passivation layer overlapping the plurality of transistors, a first electrode and a second electrode disposed on the passivation layer and spaced apart from each other, an insulating layer disposed on the first electrode and the second electrode, a plurality of light emitting elements disposed between the first electrode and the second electrode on the insulating layer and electrically connected to the first electrode and the second electrode, and an insulating reflective layer disposed between the passivation layer and the plurality of light emitting elements.

公开(公告)号：US20230111670A1

公开(公告)日：2023-04-13

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 ,  H01L27/15 ,  H01L25/18 ,  G09G3/20

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：US20220352238A1

公开(公告)日：2022-11-03

申请号：US17559462

申请日：2021-12-22

Applicant: Samsung Display Co., LTD.

Inventor： Su Jeong KIM ,  Young Jin SONG ,  Jin Wan KIM ,  Dae Ho SONG ,  Jin Woo CHOI ,  Sang Jo KIM ,  Hoo Keun PARK ,  Byung Ju LEE ,  Seung Geun LEE

IPC: H01L27/15 ,  H01L33/00 ,  H01L33/50 ,  H01L33/60

Abstract: A display device includes light-emitting elements disposed on a substrate, wherein each of the light-emitting elements includes a first semiconductor layer, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, and a porous layer disposed on the second semiconductor layer.

公开(公告)号：US20240265854A1

公开(公告)日：2024-08-08

申请号：US18611413

申请日：2024-03-20

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 ,  H01L23/00 ,  H01L25/18 ,  H01L27/15

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：US20230111615A1

公开(公告)日：2023-04-13

申请号：US17855182

申请日：2022-06-30

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan KIM ,  Sang Jo KIM ,  Hoo Keun PARK ,  Byung Ju LEE

IPC: H01L33/38 ,  H01L27/15 ,  H01L33/32 ,  H01L33/14 ,  H01L33/00

Abstract: A display device is provided. The display device comprises a plurality of pixel electrodes on a first substrate and spaced apart from each other; a plurality of light emitting elements on the plurality of pixel electrodes; and a common electrode layer on the plurality of light emitting elements, wherein the common electrode layer includes a first common electrode layer on the plurality of light emitting elements, and a second common electrode layer between the first common electrode layer and the plurality of light emitting elements, and a lattice constant of the first common electrode layer is larger than a lattice constant of the second common electrode layer.

公开(公告)号：US20220352425A1

公开(公告)日：2022-11-03

申请号：US17707327

申请日：2022-03-29

Applicant: Samsung Display Co., LTD.

Inventor： Jin Wan KIM ,  Dae Ho SONG ,  Byung Ju LEE ,  Seung Geun LEE ,  Jin Woo CHOI

IPC: H01L33/38 ,  H01L33/62 ,  H01L33/10 ,  H01L27/15 ,  H01L25/075 ,  H01L33/32 ,  H01L33/00

Abstract: A display device includes pixels including a first pixel and a second pixel; a first electrode disposed in a light-emitting area of the first pixel; a first light-emitting element disposed on the first electrode and electrically connected to the first electrode, the first light-emitting element including a first light-emitting layer emitting light of a first color; a second electrode disposed in a light-emitting area of the second pixel; a second light-emitting element disposed on the second electrode and electrically connected to the second electrode, the second light-emitting element including a second light-emitting layer emitting light of a second color; and a bank disposed around the pixels to surround the light-emitting area of the first pixel and the light-emitting area of the second pixel, and including an inactive light-emitting layer of a same material as the first light-emitting layer.

公开(公告)号：US20220352251A1

公开(公告)日：2022-11-03

申请号：US17704217

申请日：2022-03-25

Applicant: Samsung Display Co., LTD.

Inventor： Seung Geun LEE ,  Min Woo KIM ,  Byung Ju LEE ,  Dae Ho SONG ,  Jin Woo CHOI

IPC: H01L27/15 ,  H01L33/06 ,  H01L33/42 ,  H01L33/44 ,  H01L33/50

Abstract: The disclosure relates to a display device and a method of manufacturing the same. A display device includes a pixel including a first electrode, a light emitting element disposed on the first electrode, and a second electrode disposed on the light emitting element. The light emitting element includes: an emission layer that generates light of a first color; a first light conversion layer disposed between the emission layer and the first electrode to convert the light of the first color into light of a second color; a second light conversion layer disposed between the first light conversion layer and the first electrode to convert the light of the first color or the light of the second color into light of a third color; and a first semiconductor layer disposed between the emission layer and the second electrode and including a first conductivity type dopant.

公开(公告)号：US20210375984A1

公开(公告)日：2021-12-02

申请号：US17403828

申请日：2021-08-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dong Gyun KIM ,  Moon Jung AN ,  Dong Eon LEE ,  Hye Lim KANG ,  Hoo Keun PARK ,  Byung Ju LEE

IPC: H01L27/15 ,  H01L33/50 ,  H01L33/58

Abstract: A display device includes a substrate; a first electrode and a second electrode arranged to be spaced apart from each other on the substrate; a first insulating layer on the substrate; a light emitting element on the first insulating layer, located between the first electrode and the second electrode, and including a first end portion and a second end portion; a third electrode on the substrate and electrically connected to the first electrode and the first end portion; a fourth electrode on the substrate and electrically connected to the second electrode and the second end portion; a second insulating layer on the substrate and covering the light emitting element, the third electrode, and the fourth electrode; and a light diffusion layer on the second insulating layer and including a light diffusion particle.