公开(公告)号：US20240212582A1

公开(公告)日：2024-06-27

申请号：US18473879

申请日：2023-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Min Chul SHIN ,  Sung Hwan KIM ,  Ji Youn SEO ,  Kye Uk LEE

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/026 ,  G09G2310/0275 ,  G09G2310/08 ,  G09G2320/0233

Abstract: A display device includes first sub-pixels, each of the first sub-pixels including a first light emitting element of a first color, and at least one of the first sub-pixels includes a first circuit unit configured to control a supply period of a driving current in response to a first data signal supplied from a first data line, a second circuit unit configured to supply the driving current to the first light emitting element in response to a second data signal supplied from a second data line, and a sensing transistor connected between a first electrode of the first light emitting element and the second data line, and having a gate electrode connected to a sensing line.

公开(公告)号：US20230246151A1

公开(公告)日：2023-08-03

申请号：US18100169

申请日：2023-01-23

Applicant: Samsung Display Co., LTD.

Inventor： Sun Kwang KIM ,  Shin Moon KANG ,  Young Hoon YOO ,  Kye Uk LEE

IPC: H01L33/62 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L33/382

Abstract: A light-emitting display device includes a substrate, a common voltage line which is disposed on the substrate and transmits a common voltage, a first organic insulating layer which is disposed on the common voltage line and in which a first opening is defined, a connecting electrode disposed on the first organic insulating layer and connected to the common voltage line, a second organic insulating layer which is disposed on the first organic insulating layer and in which a second opening overlapping the first opening is defined, a light-emitting layer which is disposed on the connecting electrode and the second organic insulating layer and in which a contact hole that overlaps the first opening and the second opening is defined, and a common electrode disposed on the light-emitting layer and connected to the connecting electrode through the contact hole.

公开(公告)号：US20230238487A1

公开(公告)日：2023-07-27

申请号：US17955859

申请日：2022-09-29

Applicant: Samsung Display Co., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON

IPC: H01L33/38 ,  H01L33/62 ,  H01L27/15 ,  G09G3/32

CPC classification number: H01L33/382 ,  H01L33/62 ,  H01L27/156 ,  G09G3/32

Abstract: A display includes a first sub-pixel that emits a first color light and a second sub-pixel that emits a second color light. The first sub-pixel includes a first anode pad electrode, a second anode pad electrode, a first cathode pad electrode, and a first light emitting element including a first sub-light emitting element disposed on the first anode pad electrode and the first cathode pad electrode, and a second sub-light emitting element disposed on the second anode pad electrode and the first cathode pad electrode. An area of the first cathode pad electrode is larger than an area of the first anode pad electrode or an area of the second anode pad electrode. The first sub-light emitting element and the second sub-light emitting element emit the first color light during different periods, and the first sub-light emitting element and the second sub-light emitting element emit a same color light.

公开(公告)号：US20230238372A1

公开(公告)日：2023-07-27

申请号：US17988647

申请日：2022-11-16

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Hyun Joon KIM ,  Sang Jin JEON

IPC: H01L25/16 ,  H01L33/38 ,  H01L27/12

CPC classification number: H01L25/167 ,  H01L33/38 ,  H01L27/124 ,  H01L24/16

Abstract: A display device includes a pixel including a first light emitting element, a second light emitting element, and a third light emitting element that are arranged at equal distances from each other along a first direction, first pixel electrodes arranged along the first direction and contacting the first to third light emitting elements, and second pixel electrodes paired with the first pixel electrodes, arranged along the first direction, and contacting the first to third light emitting elements. Each of the first to third light emitting elements includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, and includes a mesa area in which one of the first and second semiconductor layers is partially exposed by another thereof. The mesa area of the first light emitting element is in contact with one of the first pixel electrodes.

公开(公告)号：US20230230957A1

公开(公告)日：2023-07-20

申请号：US18062927

申请日：2022-12-07

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Jung Hwan HWANG ,  Kye Uk LEE ,  Sang Jin JEON

IPC: H01L25/065 ,  H01L25/075 ,  H01L27/12 ,  G09G3/3233

CPC classification number: H01L25/0655 ,  H01L25/0753 ,  H01L27/1248 ,  H01L27/127 ,  G09G3/3233 ,  H01L22/32

Abstract: A display device includes a substrate including a plurality of emission areas respectively corresponding to a plurality of subpixels for displaying an image, a plurality of light emitting elements respectively located in the plurality of emission areas of a first surface of the substrate and respectively corresponding to the plurality of subpixels, a first planarization layer on the first surface of the substrate and covering the plurality of light emitting elements, and an array layer on the first planarization layer.

公开(公告)号：US20230216003A1

公开(公告)日：2023-07-06

申请号：US17900742

申请日：2022-08-31

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Jun Ki JEONG ,  Hyun Joon KIM ,  Jung Hwan HWANG

IPC: H01L33/62 ,  G09F9/302 ,  G09F9/33 ,  H01L33/42 ,  H01L33/38

CPC classification number: H01L33/62 ,  G09F9/3026 ,  G09F9/33 ,  H01L33/42 ,  H01L33/382

Abstract: A display device includes a substrate including a display area for displaying an image, and a non-display area around the display area, fan-out lines above the substrate, top antistatic layers along edges of a top surface above the substrate, and electrically connected to the fan-out lines, lead lines below the substrate, side connecting lines on sides of the substrate, and electrically connecting the fan-out lines and the lead lines, and bottom antistatic layers along edges of a bottom surface below the substrate, and electrically connected to the lead lines.

公开(公告)号：US20230078842A1

公开(公告)日：2023-03-16

申请号：US17748881

申请日：2022-05-19

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Jun Ki JEONG ,  Jung Hwan HWANG ,  Kye Uk LEE ,  Sang Jin JEON

IPC: H01L27/32

Abstract: A display device includes a first scan line to receive a first scan signal, a second scan line to receive a second scan signal, a sweep signal line to receive a sweep signal, a first data line to receive a first data voltage, a second data line to receive a second data voltage, and a sub-pixel connected to the first scan line, the second scan line, the sweep signal line, the first data line, and the second data line. The sub-pixel includes a light emitting element, a first pixel driver configured to generate a control current according to the first data voltage of the first data line, and a second pixel driver configured to generate a driving current applied to the light emitting element according to the second data voltage of the second data line.

公开(公告)号：US20170184932A1

公开(公告)日：2017-06-29

申请号：US15379281

申请日：2016-12-14

Applicant: Samsung Display Co. Ltd.

Inventor： Kee Bum PARK ,  Hyung Jin SONG ,  Jae Won KIM ,  Yoo Mi RA ,  Do Yeong PARK ,  Kye Uk LEE

IPC: G02F1/1362 ,  G02F1/1339 ,  G02F1/1343 ,  G02F1/1368 ,  G02F1/1333

CPC classification number: G02F1/136209 ,  G02F1/133707 ,  G02F2001/13606 ,  G02F2001/136218 ,  G02F2201/40

Abstract: A liquid display device is provided. The liquid crystal display device includes a first base substrate, a first signal line disposed on the first base substrate and extended in a first direction, a second signal line disposed on the first base substrate, extended in a second direction intersecting the first direction, and insulated from the first signal line, a thin film transistor disposed on the first base substrate and electrically connected to the first signal line and the second signal line, a pixel electrode electrically connected to the thin film transistor, and a shield pattern disposed on a same layer as but spaced apart from the pixel electrode, overlapped with the thin film transistor, and including a material same as a material of the pixel electrode.

公开(公告)号：US20250104603A1

公开(公告)日：2025-03-27

申请号：US18976312

申请日：2024-12-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jung Hwan HWANG ,  Hyun Joon KIM ,  Kye Uk LEE ,  Sang Jin JEON ,  Jun Ki JEONG

IPC: G09G3/22 ,  G09G3/3208 ,  G09G3/3233 ,  G09G3/3241 ,  G09G3/36

Abstract: A display device includes a first pixel driver connected to a sweep line, the first pixel driver generating a control current based on a first data voltage, a second pixel driver connected to a scan control line, the second pixel driver generating a driving current based on a second data voltage and controlling a period for which the driving current flows, based on the control current, and a light-emitting element connected to the second pixel driver to receive the driving current. The first pixel driver includes a first transistor generating the control current based on the first data voltage, a second transistor providing the first data voltage to a first electrode of the first transistor based on a scan write signal, and a first capacitor including a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep line.

公开(公告)号：US20240265849A1

公开(公告)日：2024-08-08

申请号：US18425663

申请日：2024-01-29

Applicant: Samsung Display Co., LTD.

Inventor： Kye Uk LEE ,  Jung Hwan HWANG ,  Ji Youn SEO

IPC: G09G3/32 ,  H01L25/16 ,  H01L27/12

CPC classification number: G09G3/32 ,  H01L25/167 ,  H01L27/1255 ,  G09G2300/026 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  H01L27/124

Abstract: A display device includes PWM data lines to receive PWM data voltages, first to third data lines to receive corresponding data voltages from among first to third data voltages, sweep signal lines to receive sweep signals, and a sub-pixel connected to a PWM data line from among the PWM data lines, a data line from among the first to third data lines, and a sweep signal line from among the sweep signal lines, and includes at least one light emitting element. The sub-pixel may include a first transistor, a first capacitor electrode connected to a gate electrode of the first transistor, and a second capacitor electrode connected to the sweep signal line, and overlapping the first capacitor electrode in a thickness direction of the display device. The second capacitor electrode does not overlap a source electrode and a drain electrode of the first transistor in the thickness direction.