公开(公告)号：US10102821B2

公开(公告)日：2018-10-16

申请号：US15092320

申请日：2016-04-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Jae Byung Park ,  Jae Woong Kang ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Sung Jin Hong

IPC: G09G5/02 ,  G09G5/06 ,  G09G5/04

Abstract: An image processing device includes a first look-up table in which first gamma correction values corresponding to a white grayscale are recorded; a second look-up table in which second gamma correction values corresponding to red, green, and blue grayscales are recorded; and a data correcting unit that calculates second image data from received first image data based on a first gamma correction value and a second gamma correction value for the first image data, by referring to the first and second look-up tables.

公开(公告)号：US09417372B2

公开(公告)日：2016-08-16

申请号：US13962598

申请日：2013-08-08

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Hyun Jin Cho ,  Oleg Prudnikov ,  Dae Ho Yoon ,  Byoung Ho Cheong

IPC: F21V8/00 ,  G02F1/1335

CPC classification number: G02B6/0011 ,  G02B6/0045 ,  G02B6/0046 ,  G02B6/0053 ,  G02B6/0068 ,  G02F1/133615

Abstract: A lighting unit for a display device includes: a plurality of light sources which emits light; a wedge-shaped light guide having an incident surface disposed close to the light sources and an opposing surface disposed opposite the incident surface; and a lens sheet disposed on the light guide, where the lens sheet includes a plurality of lenses, each having an axis in a direction from the incident surface to the opposing surface, where the light guide is thinner at the incident surface than at the opposing surface, and a radius of curvature of each of the lenses is larger at the incident surface than the opposing surface.

Abstract translation: 用于显示装置的照明单元包括：发射光的多个光源; 具有靠近光源设置的入射面的楔形导光体和与入射面相对设置的相对面; 以及设置在所述导光体上的透镜片，其中，所述透镜片包括多个透镜，每个透镜具有从入射表面到相对表面的方向上的轴线，其中所述光导在入射表面处比在所述对置面处更薄 表面，并且每个透镜的曲率半径在入射表面处比相对表面大。

公开(公告)号：US12261160B2

公开(公告)日：2025-03-25

申请号：US17705925

申请日：2022-03-28

Applicant: Samsung Display Co., LTD.

Inventor： Ki Hoon Park ,  Jung Hyun Ahn ,  Hyun Deok Im

IPC: H01L27/12 ,  H01L25/16 ,  H01L23/00

Abstract: A display device includes first banks extending in a first direction and that are spaced apart from each other in a second direction intersecting the first direction, a first electrode extending in the first direction and including a first part disposed between the first banks, a second electrode extending in the first direction and including a second part spaced apart from the first part in the second direction and disposed between the first banks, a first dummy pattern disposed on one of the first banks and spaced apart from the first part, a second dummy pattern disposed on another one of the first banks and spaced apart from the second part, and light-emitting elements disposed between the first banks, the light-emitting elements having at least one end portion disposed on one of the first part of the first electrode and the second part of the second electrode.

公开(公告)号：US12119436B2

公开(公告)日：2024-10-15

申请号：US17432610

申请日：2019-08-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ho Lee ,  Sung-Chan Jo ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Hyun Min Cho ,  Won Kyu Kim

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

CPC classification number: H01L33/62 ,  G09G3/32 ,  H01L33/005 ,  H01L33/382 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0233 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device may include a substrate, pixels disposed on the substrate, each of the pixels including a first electrode, a second electrode, and a plurality of light emitting elements electrically connected between the first and the second electrodes, and a first oscillator disposed on the substrate and electrically connected to a first electrode of a first pixel of the pixels, the first oscillator including at least one transistor and at least one capacitor.

公开(公告)号：US12113047B2

公开(公告)日：2024-10-08

申请号：US17545439

申请日：2021-12-08

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hyun Ahn ,  Buem Joon Kim ,  Won Ho Lee ,  Hyun Deok Im

IPC: H01L23/00 ,  B41M5/00 ,  H01L25/16

CPC classification number: H01L24/95 ,  B41M5/0023 ,  H01L24/76 ,  H01L25/167 ,  H01L24/82 ,  H01L2224/7655 ,  H01L2224/76655 ,  H01L2224/82101 ,  H01L2224/95102 ,  H01L2224/95145

Abstract: An ink leveling device includes a stage on which a target substrate is disposed, base frames disposed at sides of the stage, moving members coupled to the base frames and movable upward and downward, and at least one plate coupled to the moving members and disposed to press the target substrate. Light-emitting element ink is disposed on the target substrate.

公开(公告)号：US12080830B2

公开(公告)日：2024-09-03

申请号：US17602138

申请日：2020-01-16

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Ho Lee ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Hyun Min Cho

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

CPC classification number: H01L33/387 ,  H01L27/156 ,  H01L33/005 ,  H01L33/62 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A pixel includes electrode pairs successively disposed in a first direction, and each including a first sub-electrode and a second sub-electrode successively disposed in the first direction; light emitting elements each electrically connected between the first sub-electrode and the second sub-electrode of any one the electrode pairs; a first connection electrode electrically connected between the first sub-electrode of a first electrode pair and a first power supply; and a second connection electrode electrically connected between the second sub-electrode of a last electrode pair and a second power supply. The second sub-electrode of a remaining electrode pair other than the last electrode pair is spaced apart from the first sub-electrode of a subsequent electrode pair with at least one first sub-electrode or at least one second sub-electrode disposed therebetween, and is electrically connected to the first sub-electrode of the subsequent electrode pair.

公开(公告)号：US12068279B2

公开(公告)日：2024-08-20

申请号：US17630595

申请日：2020-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho Lee ,  Hyun Deok Im ,  Jong Hyuk Kang ,  Jin Oh Kwag ,  Keun Kyu Song ,  Sung Chan Jo ,  Hyun Min Cho

IPC: H01L21/68 ,  B41M3/00 ,  H01L23/00 ,  H01L25/16

CPC classification number: H01L24/95 ,  B41M3/006 ,  H01L21/68 ,  H01L25/167 ,  H01L24/24 ,  H01L24/25 ,  H01L2224/24051 ,  H01L2224/24101 ,  H01L2224/24145 ,  H01L2224/25175 ,  H01L2224/95102 ,  H01L2224/95133

Abstract: A dipole alignment device includes an electric field forming part including a stage, and a probe part which form an electric field on the stage; an inkjet printing apparatus including at least one inkjet head which sprays ink including dipoles and a solvent with the dipoles dispersed therein onto the stage; a transportation part comprising a first moving part which moves the electric field forming part in at least one direction; and a light irradiation apparatus including a light irradiation part which applies light to the ink sprayed onto the stage.

公开(公告)号：US12058898B2

公开(公告)日：2024-08-06

申请号：US17493714

申请日：2021-10-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Deok Im ,  Jong Hyuk Kang ,  Buem Joon Kim ,  Eun A Cho

IPC: H10K59/123 ,  H10K59/122

CPC classification number: H10K59/123 ,  H10K59/122

Abstract: A display device includes: a substrate; a bank having a first main opening and sub-openings extending from the first main opening; a first electrode and a second electrode on the first substrate and being spaced apart from each other in a first direction and extending in a second direction; a plurality of light-emitting elements on the first electrode and the second electrode and being spaced apart from each other in the second direction; a first connection electrode on the first electrode and contacting first ends of the light-emitting elements; and a second connection electrode on the second electrode and contacting second ends of the light-emitting elements. The first connection electrode is connected to the first electrode through a first contact, and the second connection electrode is connected to the second electrode through a second contact on the second electrode. The first contact and the second contact overlap the sub-openings.

公开(公告)号：US12040318B2

公开(公告)日：2024-07-16

申请号：US17297346

申请日：2019-02-20

Applicant: Samsung Display Co., Ltd.

Inventor： Jong Hyuk Kang ,  Hyun Min Cho ,  Dae Hyun Kim ,  Hyun Deok Im

IPC: H01L23/00 ,  H01L25/16 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62

CPC classification number: H01L25/167 ,  H01L24/24 ,  H01L24/82 ,  H01L33/24 ,  H01L33/38 ,  H01L33/62 ,  H01L2224/24147 ,  H01L2224/24991 ,  H01L2224/82007 ,  H01L2224/82101

Abstract: A display device may include: a substrate including a display area and a non-display area; and pixels provided on the display area, and each including sub-pixels each including an emission area and a non-emission area. Each sub-pixel may include a pixel circuit layer including at least one transistor, and a display element layer including at least one light emitting element configured to emit light and connected to the transistor. The display element layer may include: a first electrode and a second electrode spaced apart from each other with the light emitting element interposed therebetween; the light emitting element connected between the first and second electrodes; and a planarization layer provided on the pixel circuit layer, and coming into contact with at least a portion of each of opposite ends of the light emitting element. The planarization layer may overlap with each of the first electrode and the second electrode.

公开(公告)号：US11984548B2

公开(公告)日：2024-05-14

申请号：US17322346

申请日：2021-05-17

Applicant: Samsung Display Co., LTD.

Inventor： Won Ho Lee ,  Buem Joon Kim ,  Jong Hyuk Kang ,  Hyun Deok Im ,  Eun A Cho

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1244

Abstract: A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.