公开(公告)号：US20250029559A1

公开(公告)日：2025-01-23

申请号：US18733732

申请日：2024-06-04

Applicant: Samsung Display Co., LTD.

Inventor： Jin Joo HA ,  Se Hyun LEE ,  Kwi Hyun KIM

IPC: G09G3/3233 ,  G09G3/32 ,  H10K59/121

Abstract: A display device and a mobile electronic device including the display device each include a substrate, a driving element layer on the substrate and including pixel driving circuits for driving pixels, and a light emitting element layer on the driving element layer and including a light emitting element of each pixel. Transistors included in each pixel driving circuit are divided into a first transistor group and a second transistor group connected to a first well region and a second well region of the substrate, respectively, the first and second well regions in each pixel are spaced apart from each other by a first interval, the pixels include a first pixel and a second pixel adjacent to each other in a first direction, and well regions adjacent to each other in the first pixel and the second pixel are spaced apart from each other by the first interval.

公开(公告)号：US20250029566A1

公开(公告)日：2025-01-23

申请号：US18589449

申请日：2024-02-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kwi Hyun KIM ,  Se Hyun LEE ,  Jin Joo HA

IPC: G09G3/3291 ,  G09G3/32

Abstract: The present disclosure relates to a display device, and more particularly, to a display device that can determine whether pixels are defective. According to an embodiment of the disclosure, a display device comprising: a light-emitting element; a driving transistor connected between a driving voltage line and an anode electrode of the light-emitting element; and a fifth transistor connected between the anode electrode of the light-emitting element and a sensing line, wherein the fifth transistor always remains turned off during normal operation of the display device.

公开(公告)号：US20250006105A1

公开(公告)日：2025-01-02

申请号：US18422008

申请日：2024-01-25

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyun LEE ,  Jin Joo HA

IPC: G09G3/32

Abstract: A pixel includes: a first transistor including first, second, and gate electrodes, which are respectively connected to first, second, and third nodes; a second transistor connected between a data line and the third node, the second transistor including a gate electrode electrically connected to a first scan line; a third transistor connected between a first power line to which a voltage of a first driving power source is supplied and the first node, the third transistor including a gate electrode electrically connected to an emission control line; a first capacitor connected between the first and third nodes; a second capacitor connected between the second and third nodes; a third capacitor connected between the third node and a second power line to which a voltage of a second driving power source is supplied; and a light emitting element connected between the second node and the second power line.

公开(公告)号：US20240212613A1

公开(公告)日：2024-06-27

申请号：US18383323

申请日：2023-10-24

Applicant: Samsung Display Co., Ltd.

Inventor： Kwi Hyun KIM ,  Se Hyun LEE ,  Jin Joo HA

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/02 ,  G09G2320/045 ,  G09G2330/028 ,  G09G2330/12

Abstract: A pixel includes a light emitting element, a first transistor having a first electrode connected to a first power line via a first node, a second electrode connected to a second power line via a second node and the light emitting element, and a gate electrode connected to a third node, a second transistor connected between a data line and the third node, and having a gate electrode connected to a first scan line, a third transistor connected between the first power line and the first node, and having a gate electrode connected to an emission control line, and a fourth transistor connected between the second node and a third power line. The second transistor is turned on after the fourth transistor is turned on and maintains a turn-on state during a predetermined period, and is turned off before the fourth transistor is turned off.

公开(公告)号：US20240072228A1

公开(公告)日：2024-02-29

申请号：US18364339

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Dong Woo KIM ,  Do Yeong PARK ,  Se Hyun LEE ,  Kwi Hyun KIM ,  Min Gyeong SHIN ,  Jin Joo HA

IPC: H01L33/62 ,  H01L25/16 ,  H01L33/48

CPC classification number: H01L33/62 ,  H01L25/167 ,  H01L33/483 ,  H01L2933/0066

Abstract: A display device comprises a first pixel including a first emission area, a second pixel including a second emission area spaced apart from the first emission area in a first direction, and a bank partitioning the first emission area and the second emission area, wherein the first pixel includes a first alignment electrode, a second alignment electrode, and a third alignment electrode sequentially located, spaced apart from each other in the first direction, and overlapping with the first emission area, first light-emitting elements above, and overlapping with, the first alignment electrode and the second alignment electrode, second light-emitting elements above, and overlapping with, the second alignment electrode and the third alignment electrode, and a dummy electrode between the first emission area and the second emission area, and overlapping with the bank.

公开(公告)号：US20240055554A1

公开(公告)日：2024-02-15

申请号：US18327219

申请日：2023-06-01

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyun LEE ,  Jin Joo HA

IPC: H01L33/10 ,  H01L33/50 ,  H01L33/62 ,  H01L33/00

CPC classification number: H01L33/10 ,  H01L33/508 ,  H01L33/62 ,  H01L33/0075 ,  H01L33/06

Abstract: A display device includes a light blocking layer surrounding a light emitting area; a light emitting element disposed in the light emitting area; and a reflective layer disposed on the light emitting element, and a width of the light emitting area in a first direction is less than a width of the light emitting area in a second direction, and heights of first areas of the reflective layer facing each other in the first direction are greater than heights of second areas of the reflective layer facing each other in the second direction.

公开(公告)号：US20220128740A1

公开(公告)日：2022-04-28

申请号：US17445384

申请日：2021-08-18

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun LEE ,  Se Hyun LEE ,  Hae Chan PARK ,  Young Su LIM ,  Jin Joo HA

IPC: G02B3/00 ,  G02B5/04 ,  H01L33/58 ,  H01L27/15

Abstract: A tiled display device includes a plurality of display devices, and an optical member located on the display devices, wherein the optical member includes a base substrate, a plurality of first lenticular lenses located on a lower surface of the base substrate and extending in a first direction, and a plurality of second lenticular lenses located under the first lenticular lenses and extending in a second direction crossing the first direction.

公开(公告)号：US20250006109A1

公开(公告)日：2025-01-02

申请号：US18625199

申请日：2024-04-03

Applicant: Samsung Display Co., Ltd.

Inventor： Jin Joo HA ,  Se Hyun LEE ,  Kwi Hyun KIM

IPC: G09G3/32

Abstract: A pixel may include: a first transistor including a first electrode electrically connected to a first power line configured to receive first driving power, a second electrode, and a gate electrode connected to a first node; a second transistor connected between a data line and the first node, and including a gate electrode electrically connected to a first scan line; a light emitting element including a first electrode connected to the second electrode of the first transistor, and a second electrode electrically connected to a second power line configured to receive second driving power; a first capacitor connected between the first node and the first electrode of the light emitting element; and a second capacitor connected between the first electrode of the light emitting element and a third power line.

公开(公告)号：US20240162397A1

公开(公告)日：2024-05-16

申请号：US18507334

申请日：2023-11-13

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyun LEE ,  Kyung Bae KIM ,  Kwi Hyun KIM ,  Jin Joo HA

IPC: H01L33/60 ,  H01L25/075 ,  H01L33/38 ,  H01L33/50 ,  H01L33/52 ,  H01L33/62

CPC classification number: H01L33/60 ,  H01L25/0753 ,  H01L33/38 ,  H01L33/50 ,  H01L33/52 ,  H01L33/62

Abstract: A display device includes a pixel electrode disposed on a substrate, a bank layer disposed on the substrate and the pixel electrode, and separating an emission area from a non-emission area, light emitting elements each arranged on the pixel electrode and including a first semiconductor layer, a second semiconductor layer, and an active layer disposed between the first semiconductor layer and the second semiconductor layer, a first capping layer disposed on the pixel electrode and surrounding side surfaces of the light emitting elements, a first reflective layer disposed on the first capping layer and surrounding the side surfaces of the light emitting elements, a first via layer disposed on the first reflective layer, a second via layer disposed on the first via layer, and a common electrode disposed on the second via layer and the light emitting elements.

公开(公告)号：US20230395018A1

公开(公告)日：2023-12-07

申请号：US18327228

申请日：2023-06-01

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyun LEE ,  Jin Joo HA

IPC: G09G3/32 ,  G09G3/34 ,  G02F1/1333 ,  G02F1/135 ,  G02F1/1335

CPC classification number: G09G3/32 ,  G09G3/3413 ,  G02F1/133357 ,  G02F1/1351 ,  G02F1/133514 ,  G09G2320/0666

Abstract: A display device includes first pixel to third pixels, light emitting elements located in the first to third pixels, a color conversion layer located on the light emitting elements, a light blocking layer located on the color conversion layer, and a planarization layer located between the color conversion layer and the light blocking layer. A thickness of the planarization layer of the first pixel is thicker than a thickness of the planarization of the second pixel.