公开(公告)号：US12199229B2

公开(公告)日：2025-01-14

申请号：US17626268

申请日：2020-07-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Xinxing Li ,  Dae Hyun Kim ,  Hee Keun Lee

IPC: H01L33/62 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15 ,  H01L33/00 ,  H01L33/36 ,  H01L33/38 ,  H01L33/48

Abstract: A pixel may include first and second areas sectioned from each other in a first direction; 1-1-th to 4-1-th electrodes successively arranged in the first area in a second direction intersecting the first direction; 1-2-th to 4-2-th electrodes successively arranged in the second area in the second direction; light emitting elements disposed between two adjacent electrodes of the 1-1-th to 4-1-th electrodes of the first area; light emitting elements disposed between two adjacent electrodes of the 1-2-th to 4-2-th electrodes of the second area; a first conductive pattern disposed in the first area, and electrically connecting the 2-1-th and 3-1-th electrodes; a second conductive pattern disposed over the first and second areas, and electrically connecting the 4-1-th electrode of the first area with the 1-2-th electrode of the second area; and a third conductive pattern disposed in the second area and electrically connecting the 2-2-th and 3-2-th electrodes.

公开(公告)号：US12119368B2

公开(公告)日：2024-10-15

申请号：US17276038

申请日：2019-04-23

Applicant: Samsung Display Co., LTD.

Inventor： Seung A Lee ,  Dong Uk Kim ,  Hyun Min Cho ,  Dae Hyun Kim ,  Jung Hong Min ,  Dong Eon Lee ,  Hyung Rae Cha

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60

CPC classification number: H01L27/156 ,  H01L33/007 ,  H01L33/0093 ,  H01L33/0095 ,  H01L33/24 ,  H01L33/44 ,  H01L33/60 ,  H01L2933/0025

Abstract: A method of manufacturing a light-emitting element comprises providing a semiconductor structure on a substrate, the semiconductor structure emitting light having different wavelength bands from each other, measuring the light having the different wavelength bands from each other and defining wavelength regions, forming nanopatterns spaced apart from each other on the semiconductor structure, the nanopatterns having different diameters from each other, and etching the semiconductor structure to form element rods.

公开(公告)号：US12062739B2

公开(公告)日：2024-08-13

申请号：US17257756

申请日：2019-01-03

Applicant: Samsung Display Co., LTD.

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

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/005 ,  H01L2933/0016

Abstract: A display device includes a first electrode, a second electrode spaced apart from the first electrode to face the first electrode, a first insulation layer, at least one light emitting element, a second insulation layer, a first contact electrode, and a second contact electrode. The first insulation layer includes an overlapping area which overlaps the at least one light emitting element, a first non-overlapping area which extends outward from the first end of the at least one light emitting element and does not overlap the at least one light emitting element, and a second non-overlapping area which extends outward from the second end of the at least one light emitting element and does not overlap the at least one light emitting element.

公开(公告)号：US11990566B2

公开(公告)日：2024-05-21

申请号：US17260944

申请日：2018-12-13

Applicant: Samsung Display Co., Ltd.

Inventor： Won Sik Oh ,  Sin Chul Kang ,  Dae Hyun Kim ,  Hyun Min Cho

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

CPC classification number: H01L33/382 ,  H01L27/156 ,  H01L33/62

Abstract: A display device includes a first electrode stem and a second electrode stem extended in a first direction and spaced from each other, a first electrode branch branching off from the first electrode stem and extended in a second direction, a second electrode branch branching off from the second electrode stem and extended in the second direction, a third electrode between the first electrode branch and the second electrode branch and one or more light-emitting elements between the first electrode branch and the third electrode and between the third electrode and the second electrode branch, wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced from the first electrode stem and from the second electrode stem, respectively.

公开(公告)号：US11984470B2

公开(公告)日：2024-05-14

申请号：US17423290

申请日：2019-12-05

Applicant: Samsung Display Co., LTD.

Inventor： Keun Kyu Song ,  Jung Hong Min ,  Dae Hyun Kim ,  Dong Uk Kim ,  Hyun Min Cho

IPC: H01L33/00 ,  H01L27/15 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/44

CPC classification number: H01L27/156 ,  H01L33/0066 ,  H01L33/0093 ,  H01L33/24 ,  H01L33/30 ,  H01L33/38 ,  H01L33/44 ,  H01L2933/0025

Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.

公开(公告)号：US11916178B2

公开(公告)日：2024-02-27

申请号：US17297326

申请日：2019-08-23

Applicant: Samsung Display Co., LTD.

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

IPC: H01L33/58 ,  H01L27/15 ,  H01L33/38 ,  H01L33/50

CPC classification number: H01L33/58 ,  H01L27/156 ,  H01L33/382 ,  H01L33/50

Abstract: A display device includes a first electrode and a second electrode that are spaced apart from and facing each other; a light-blocking layer disposed above the first electrode and the second electrode; and at least one light-emitting element disposed between the first electrode and the second electrode. The light-blocking layer includes a light-blocking portion absorbing light and an opening pattern. The light-blocking portion includes an area partially overlapping the first electrode and the second electrode. The at least one opening pattern exposes portions of the first and second electrodes facing each other and at least a portion of an area between the first and second electrodes facing each other. The at least one light-emitting element overlaps the at least one opening pattern.

公开(公告)号：US11869425B2

公开(公告)日：2024-01-09

申请号：US17434271

申请日：2019-12-30

Applicant: Samsung Display Co., LTD.

Inventor： Won Sik Oh ,  Hyun Min Cho ,  Sin Chul Kang ,  Dae Hyun Kim

IPC: G09G3/3233 ,  H01L25/16 ,  H01L27/12 ,  H01L33/62

CPC classification number: G09G3/3233 ,  H01L25/167 ,  H01L27/124 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2320/0233

Abstract: A display device may include a first power line; a second power line; a data line that transmits a data signal; a scan line that transmits a scan signal; and pixels electrically connected to the first power line, the second power line, the data line, and the scan line. Each of the pixels may include light emitting elements electrically connected between the first power line and the second power line; and a first transistor that provides driving current to the light emitting elements in response to the data signal.

公开(公告)号：US11682693B2

公开(公告)日：2023-06-20

申请号：US17316339

申请日：2021-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Uk Kim ,  Hyun Min Cho ,  Keun Kyu Song ,  Dae Hyun Kim ,  Jung Hong Min ,  Seung A Lee ,  Hyung Rae Cha

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

CPC classification number: H01L27/156 ,  H01L33/504 ,  H01L33/60 ,  H01L2933/0041 ,  H01L2933/0058

Abstract: A display device includes a first pixel and a second pixel; a light emitting layer; a color conversion layer on the light emitting layer; and a color filter layer on the color conversion layer, the light emitting layer including one or more light emitting elements in the first pixel and the second pixel, the color conversion layer including a first color conversion layer in the first pixel and a second color conversion layer in the second pixel. The color filter layer includes a first color filter layer in the first pixel and a second color filter layer in the second pixel, the light emitting elements capable of emitting a first light having a first wavelength, each of the first color conversion layer and the second color conversion layer including first color conversion particles and second color conversion particles.

公开(公告)号：US11436979B2

公开(公告)日：2022-09-06

申请号：US16505708

申请日：2019-07-09

Applicant: Samsung Display Co., Ltd.

Inventor： Sung Hwan Kim ,  Sang Moo Choi ,  Dae Hyun Kim ,  Soo Hee Oh ,  Dong Sun Lee

IPC: G09G3/3266

Abstract: A pixel circuit includes: an organic light emitting diode (OLED); a first transistor having first and second electrodes and a first gate electrode; a second transistor connected between a data line and the first electrode, controlled by a first scan line; a third transistor connected between the second electrode and the a electrode of the first transistor, controlled by the first scan line; a fourth transistor connected between the first gate electrode and a first initialization voltage line, controlled by a second scan line; a fifth transistor connected between a power line and first electrode, controlled by a first emission line; a sixth transistor connected between the second electrode and the OLED and controlled by a second emission line; and a storage capacitor connected between the first gate electrode and the power line, wherein the first emission line and the second emission line are located at different nodes.

公开(公告)号：US11120739B2

公开(公告)日：2021-09-14

申请号：US17013516

申请日：2020-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/38 ,  G09G3/3225 ,  H01L33/20 ,  G06F3/042 ,  H01L33/32 ,  G06F3/041 ,  H01L33/00

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.