公开(公告)号：US10249603B2

公开(公告)日：2019-04-02

申请号：US15622524

申请日：2017-06-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Hyundeok Im ,  Jonghyuk Kang ,  Jaebyung Park ,  Jooyeol Lee ,  Chio Cho ,  Sungjin Hong

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H01L25/075 ,  H01L27/12 ,  H01L27/15

Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.

公开(公告)号：US10101612B2

公开(公告)日：2018-10-16

申请号：US15176075

申请日：2016-06-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jaewoong Kang ,  Jonghyuk Kang ,  Deahyun Kim ,  Jaebyung Park ,  Jooyeol Lee ,  Hyunmin Cho

IPC: G02F1/1335 ,  G02F1/1343

Abstract: A polarization selection color filter includes: a first color conversion layer including a plurality of first quantum rods absorbing light of a first wavelength and emitting light of a second wavelength that is longer than the first wavelength; and a second color conversion layer including a plurality of second quantum rods disposed on the first color conversion layer, absorbing the light of the second wavelength and emitting light of a third wavelength that is longer than the second wavelength. The polarization selection color filter is applicable to a color filter array of a display device and may improve a contrast ratio.

公开(公告)号：US09842550B2

公开(公告)日：2017-12-12

申请号：US14711434

申请日：2015-05-13

Applicant: Samsung Display Co., LTD.

Inventor： Hyundeok Im ,  JaeWoong Kang ,  Jonghyuk Kang ,  Jae Byung Park ,  Hyunmin Cho ,  Sung-Jin Hong

IPC: G09G3/36 ,  G09G3/34

CPC classification number: G09G3/3607 ,  G09G3/3413 ,  G09G3/3426 ,  G09G3/3648 ,  G09G2300/0452 ,  G09G2310/0235 ,  G09G2320/0242 ,  G09G2320/0271

Abstract: A display device includes a backlight unit, a display panel, and a controller. The backlight unit comprises a plurality of first light sources in a first direction and a plurality of second light sources in the first direction. The display panel is spaced apart from the backlight unit in a third direction substantially perpendicular to the first direction and comprising an edge portion defined along at least one side thereof and a plurality of pixels. The controller generates an edge image data corresponding to a plurality of edge pixels disposed in the edge portion among the pixels, the edge image data is generated on the basis of a first angle between the third direction and a first imaginary line connecting the edge pixels and the first light sources and a second angle between the third direction and a second imaginary line connecting the edge pixels and the second light sources.

公开(公告)号：US11798975B2

公开(公告)日：2023-10-24

申请号：US17108304

申请日：2020-12-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Yonghan Park ,  Sungchul Kim ,  Hyeyong Chu ,  Daehyun Kim ,  Keunkyu Song ,  Jooyeol Lee ,  Bekhyun Lim

IPC: H01L27/15 ,  G09G3/32 ,  H10K59/131 ,  H10K59/121 ,  H01L33/32 ,  H01L33/50 ,  H01L33/40 ,  H01L33/46 ,  H01L33/58

CPC classification number: H01L27/156 ,  G09G3/32 ,  H01L33/325 ,  H01L33/40 ,  H01L33/46 ,  H01L33/502 ,  H01L33/58 ,  H10K59/131 ,  G09G2310/08 ,  G09G2320/0233 ,  H10K59/1213 ,  H10K59/1216

Abstract: A display device is capable of improving luminous efficiency and display quality and includes: a substrate; a thin film transistor on the substrate; a first electrode on the substrate and connected to the thin film transistor; a second electrode on the substrate and spaced apart from the first electrode; a plurality of light emitting elements between the first and second electrodes and electrically connected to each of the first and second electrodes; an insulating layer on the plurality of light emitting elements; and a reflective layer on the insulating layer. Each of the plurality of light emitting elements includes: a first semiconductor layer, an active layer on the first semiconductor layer, and a second semiconductor layer on the active layer.

公开(公告)号：US11751435B2

公开(公告)日：2023-09-05

申请号：US17369877

申请日：2021-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Hyunmin Cho ,  Taesung Kim ,  Yunjong Yeo ,  Sanggab Kim ,  Daewon Choi

IPC: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K71/00 ,  H10K102/00

CPC classification number: H10K59/122 ,  H10K50/813 ,  H10K50/822 ,  H10K71/00 ,  H10K2102/351

Abstract: An embodiment of a display device includes a substrate including a display area; an organic layer and having a protrusion protruding in a thickness direction of the substrate and overlapping the display area; a first electrode on the organic layer and overlapping the display area; a pixel defining layer covering the protrusion and an edge of the first electrode and having an opening portion overlapping the first electrode; an emission layer on the first electrode and overlapping the opening portion; and a second electrode on the emission layer, wherein the pixel defining layer includes an inorganic material, and a first distance from an upper surface of the substrate to a lower surface of the first electrode is less than a second distance from the upper surface of the substrate to an upper surface of the protrusion, the lower surface of the first electrode facing the upper surface of the substrate.

公开(公告)号：US11495717B2

公开(公告)日：2022-11-08

申请号：US17061144

申请日：2020-10-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L33/62 ,  H01L33/06 ,  H01L33/08 ,  H01L25/075 ,  H05K1/02 ,  H05K1/11 ,  H01L33/38 ,  H01L33/20

Abstract: A display device includes a substrate, a first electrode extending in a first direction on the substrate, a first partition wall extending in the first direction on a central portion of the first electrode, a second electrode extending in parallel with the first electrode on the substrate, a second partition wall extending in the first direction on a central portion of the second electrode, and a plurality of light-emitting diodes electrically connected between the first electrode and the second electrode.

公开(公告)号：US11424230B2

公开(公告)日：2022-08-23

申请号：US16507388

申请日：2019-07-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Hyundeok Im ,  Jonghyuk Kang ,  Jaebyung Park ,  Jooyeol Lee ,  Chio Cho ,  Sungjin Hong

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H01L25/075 ,  H01L27/15 ,  H01L27/12

Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.

公开(公告)号：US11424229B2

公开(公告)日：2022-08-23

申请号：US16299735

申请日：2019-03-12

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Hyundeok Im ,  Jonghyuk Kang ,  Jaebyung Park ,  Jooyeol Lee ,  Chio Cho ,  Sungjin Hong

IPC: H01L25/16 ,  H01L33/20 ,  H01L33/38 ,  H01L25/075 ,  H01L27/15 ,  H01L27/12

Abstract: A pixel structure, a display device, and a method of manufacturing a pixel structure, the pixel structure including a base substrate; at least one first electrode arranged in an upper portion of the base substrate; at least one second electrode having a circular shape extending along a circumferential direction around the at least one first electrode; and a plurality of LED elements connected to the first and second electrodes.

公开(公告)号：US10943947B2

公开(公告)日：2021-03-09

申请号：US16282122

申请日：2019-02-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyundeok Im ,  Jonghyuk Kang ,  Daehyun Kim ,  Jooyeol Lee ,  Hyunmin Cho

IPC: H01L29/18 ,  H01L27/15 ,  G09G3/32 ,  H01L25/075 ,  H01L33/62

Abstract: A display device and a method of manufacturing a display device are provided. A display device includes: a substrate; a switching element on the substrate; a first insulating layer on the switching element; a first alignment electrode and a second alignment electrode disposed on the first insulating layer so as to face each other; a second insulating layer on the first alignment electrode and the second alignment electrode; a first driving electrode on the second insulating layer and connected to the switching element; a second driving electrode disposed on the second insulating layer so as to face the first driving electrode; and a light emitting element between the first driving electrode and the second driving electrode, and a distance between the first alignment electrode and the second alignment electrode is less than a distance between the first driving electrode and the second driving electrode.

公开(公告)号：US10818647B2

公开(公告)日：2020-10-27

申请号：US15646428

申请日：2017-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Daehyun Kim ,  Hyundeok Im ,  Hyunmin Cho ,  Jonghyuk Kang ,  Sungjin Hong ,  Jooyeol Lee ,  Chio Cho

IPC: H01L33/38 ,  H01L25/16 ,  H01L25/075 ,  H01L27/12 ,  H01L33/32 ,  H01L33/42 ,  H01L21/68 ,  H01L33/06 ,  H01L33/60 ,  H01L33/62

Abstract: A pixel structure of a display apparatus includes an electrode line, at least one ultra small light-emitting diode, and a connection electrode. The electrode line includes a second electrode separated from a first electrode and at a same level as the first electrode on a base substrate. The at least one ultra small light-emitting diode is on the base substrate and has a length less than a distance between the first and second electrodes. A connection electrode includes a first contact electrode connecting the first electrode to the ultra small light-emitting diode and a second contact electrode connecting the second electrode to the ultra small light-emitting diode.