公开(公告)号：US11574954B2

公开(公告)日：2023-02-07

申请号：US17195164

申请日：2021-03-08

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: 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：US11462526B2

公开(公告)日：2022-10-04

申请号：US17035616

申请日：2020-09-28

Applicant: SAMSUNG DISPLAY CO., LTD.

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

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

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.

公开(公告)号：US20210323293A1

公开(公告)日：2021-10-21

申请号：US17135200

申请日：2020-12-28

Applicant: Samsung Display Co., LTD.

Inventor： Youngkwan KIM ,  Sanggil Kwak ,  Hyungjun Lim ,  Daehyun Kim ,  Heesun Ahn

IPC: B32B37/10 ,  B32B37/00

Abstract: A lamination apparatus including a jig and a pad disposed facing the jig. The jig may include an accommodation groove, which is defined by a bottom surface, a first side surface bent and extending from the bottom surface, and a second side surface bent and extending from the bottom surface. The pad includes a pressing surface facing the bottom surface, a first pad side surface bent from the pressing surface in a direction away from the jig, a second pad side surface bent from the pressing surface in a direction away from the jig, a connection surface connecting the first pad side surface to the second pad side surface, and a recess recessed from the pressing surface, the connection surface, and the first pad side surface.

公开(公告)号：US11120744B2

公开(公告)日：2021-09-14

申请号：US16551006

申请日：2019-08-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunghwan Kim ,  Chulkyu Kang ,  Daehyun Kim ,  Soohee Oh ,  Dongsun Lee

IPC: G09G3/3275 ,  G09G3/3266 ,  G09G3/3258 ,  G09G3/3225

Abstract: A display device includes a pixel circuit including a first pixel and a second pixel. The first pixel arranged in a first row and the second pixel arranged in a second row are commonly connected to one scan line, the number of the scan lines required by the display device may be reduced to half. An active period of the first selection signal does not overlap an active period of the second selection signal. A scan on time of the scan signal overlaps one of the active period of the first selection signal and the active period of the second selection signal.

公开(公告)号：US11114582B2

公开(公告)日：2021-09-07

申请号：US16889123

申请日：2020-06-01

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunmin Cho ,  Daehyun Kim ,  Sungchul Kim ,  Jonghyuk Kang ,  Keunkyu Song ,  Jooyeol Lee ,  Hyundeok Im ,  Chio Cho ,  Hyeyong Chu ,  Sungjin Hong

IPC: H01L33/38 ,  H01L25/075 ,  H01L33/00 ,  H01L33/62 ,  H01L27/15 ,  H01L33/06 ,  H01L33/32 ,  H01L33/40 ,  H01L33/44 ,  H05K1/11 ,  H05K1/18

Abstract: A display apparatus includes a substrate, a first electrode on the substrate, the first electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, a second electrode facing the first electrode in parallel on the substrate, the second electrode including a first portion that has a flat upper surface and a second portion that protrudes from the first portion and has an inclined surface, and a plurality of light-emitting devices separate from each other on the first electrode and the second electrode, the light-emitting devices each having a first end contacting the upper surface of the first portion of the first electrode and a second end contacting the upper surface of the first portion of the second electrode.

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：US20240324294A1

公开(公告)日：2024-09-26

申请号：US18520556

申请日：2023-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： Inhyeok Yeo ,  Kwangmin Kim ,  Kiwook Kim ,  Daehyun Kim ,  Heyjin Shin ,  Changkyu Jin ,  Doyeon Hwang

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/131

CPC classification number: H10K59/1216 ,  G09G3/3233 ,  H10K59/1213 ,  H10K59/131 ,  G09G2320/0247

Abstract: A display apparatus includes a substrate including a display area and a peripheral area, a first semiconductor layer including a driving semiconductor pattern, a first conductive layer disposed on the first semiconductor layer, and including a first capacitor electrode and a second capacitor electrode, a second conductive layer disposed on the first conductive layer, and including a third capacitor electrode overlapping the first capacitor electrode and the second capacitor electrode, a second semiconductor layer disposed on the second conductive layer, and including a first semiconductor pattern overlapping the third capacitor electrode, a third conductive layer disposed on the second semiconductor layer, and including a first electrode pattern overlapping the first semiconductor pattern and the third capacitor electrode, and a fourth conductive layer disposed on the third conductive layer, and including a connection electrode electrically connected to the first semiconductor pattern and the third capacitor electrode.

公开(公告)号：US20240244907A1

公开(公告)日：2024-07-18

申请号：US18492936

申请日：2023-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Sunghwan Kim ,  Hwansoo Jang ,  Daehyun Kim ,  Heyjin Shin

IPC: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/122 ,  H10K59/353

Abstract: A display apparatus includes a driving voltage line disposed on a substrate and extending in a first direction, a data line extending in the first direction and apart from the driving voltage line, a first sub-pixel electrode in which a first emission area is defined, and a second sub-pixel electrode in which a second emission area is defined. The first emission area overlaps the data line in a plan view, and the second emission area is disposed inside an edge of the driving voltage line.

公开(公告)号：US20240196676A1

公开(公告)日：2024-06-13

申请号：US18466918

申请日：2023-09-14

Applicant: Samsung Display Co., Ltd.

Inventor： Kyoungjin Park ,  Daehyun Kim

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1213

Abstract: A display apparatus includes a first display element including a first pixel electrode and emitting light of a first color, a first conductive pattern layer and a second conductive pattern layer extending in a first direction and spaced apart from each other, and a first connection pattern layer extending in the first direction and electrically connecting the first conductive pattern layer to the second conductive pattern layer, the first connection pattern layer at least partially overlapping the first pixel electrode of the first display element, wherein the first conductive pattern layer and the second conductive pattern layer are disposed on a same layer between the first display element and the first connection pattern layer.

公开(公告)号：US11910647B2

公开(公告)日：2024-02-20

申请号：US17368832

申请日：2021-07-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunae Park ,  Sunghwan Kim ,  Daehyun Kim

IPC: G09G3/3233 ,  H10K59/121 ,  G09G3/3291 ,  G09G3/3266 ,  H10K59/131

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/1216 ,  H10K59/131 ,  G09G2330/08

Abstract: A display apparatus, which may prevent a defect of a pixel due to external electrostatic discharge, includes: a first pixel including a first node; a second pixel neighboring the first pixel and including a second node; and an always-off thin-film transistor including a first electrode, a second electrode, and a gate electrode, the first electrode being connected to the first node of the first pixel, the second electrode being connected to the second node of the second pixel, in which a turn-off voltage is applied to the gate electrode.