公开(公告)号：US20220190070A1

公开(公告)日：2022-06-16

申请号：US17507601

申请日：2021-10-21

Applicant: Samsung Display Co., LTD.

Inventor： Se Hyun LEE ,  Hae Chan PARK ,  Won Jun LEE

IPC: H01L27/32

Abstract: A display device includes: a plurality of first banks extended in a first direction on a first substrate and spaced apart from one another; a first electrode and a second electrode extended in the first direction and located on different ones of the first banks so as to be spaced apart from one another; a first insulating layer covering the first electrode, the second electrode, and the plurality of first banks; a plurality of first patterns extended in a second direction crossing the first direction on the first insulating layer and spaced apart from one another; and a plurality of light-emitting elements between adjacent ones of the first patterns, and opposite ends of the light-emitting elements are arranged on the first electrode and the second electrode, respectively, on the first insulating layer, and a height of the first patterns is greater than a diameter of the light-emitting elements.

公开(公告)号：US20210399043A1

公开(公告)日：2021-12-23

申请号：US17467157

申请日：2021-09-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Won Jun LEE ,  Hyo Chul LEE

IPC: H01L27/15 ,  H01L27/12 ,  H01L33/36 ,  H01L33/62 ,  H01L33/44

Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located around the display area; a circuit element layer including a circuit element in each of the pixel areas and a reference voltage wiring in the non-display area, the reference voltage wiring being electrically coupled to the circuit element; and a display element layer including a first pixel electrode on the circuit element layer in each of the pixel areas, a second pixel electrode located opposite to the first pixel electrode, a plurality of light emitting elements between the first pixel electrode and the second pixel electrode, and a first wiring on the circuit element layer in the non-display area, wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area.

公开(公告)号：US20180182748A1

公开(公告)日：2018-06-28

申请号：US15798921

申请日：2017-10-31

Applicant: Samsung Display Co., Ltd.

Inventor： Jee Hoon HAN ,  Won Jun LEE ,  Kyung Suk JUNG ,  Yong Tae CHO ,  O Sung SEO ,  Yun Seok LEE

IPC: H01L27/02 ,  H01L27/12 ,  H01L29/417 ,  H01L29/49 ,  G09G3/36

Abstract: A scan driver has a plurality of stages configured to supply a scan signal to scan lines. The plurality of stages include a stage coupled to a scan line of the scan lines. The stage includes a first transistor including a gate electrode, a drain electrode and a source electrode and is configured to output the scan signal to the scan line; a second transistor provided on a side of the first transistor and connected to the drain electrode; a third transistor provided on the side of the first transistor and connected to the source electrode; a capacitor provided between the scan line and the first transistor; a first dummy transistor provided between the first transistor and the capacitor and connected to the capacitor; and a second dummy transistor provided between the first transistor and the second transistor and connected to both the first transistor and the second transistor.

公开(公告)号：US20240233623A9

公开(公告)日：2024-07-11

申请号：US18457897

申请日：2023-08-29

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Yong Bin KIM ,  Chol Ho KIM

IPC: G09G3/32 ,  G09G3/20

CPC classification number: G09G3/32 ,  G09G3/2007 ,  H01L25/167

Abstract: A pixel includes a first transistor generating current from a first power source line to a second power source line through a light-emitting element, a second transistor between a third power source line and a gate electrode of the first transistor, a third transistor between a data line and a gate electrode of the second transistor and controlled by a first signal, a fourth transistor between a fourth power source line and a first node and controlled by a second signal, a first capacitor between the gate electrode of the first transistor and the first node, and a second capacitor between the gate electrode of the second transistor and a sweep voltage line providing a sweep voltage that linearly changes from a first voltage level to a second voltage level, and nonlinearly changes from the second voltage level to a third voltage level when the third transistor is on.

公开(公告)号：US20230197764A1

公开(公告)日：2023-06-22

申请号：US18083877

申请日：2022-12-19

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Dong Woo KIM

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

CPC classification number: H01L27/156 ,  H01L33/62 ,  H01L33/387

Abstract: A display device includes a bank layer extending in a first direction and a second direction intersecting the first direction and surrounding subpixels; a first electrode extending in the first direction in each of the subpixels; second electrodes spaced apart from the first electrode and extending in the first direction; light emitting elements comprising a first light emitting element disposed on the first electrode and any one of the second electrodes, and a second light emitting element having an end disposed on another one of the second electrodes; a first connection electrode disposed on the first electrode and electrically contacting the first light emitting element; and a second connection electrode disposed on the second electrodes and electrically contacting the second light emitting element, wherein each of the second electrodes is disposed in different ones of the subpixels and overlaps in a plan view the bank layer disposed between the subpixels.

公开(公告)号：US20200075667A1

公开(公告)日：2020-03-05

申请号：US16560359

申请日：2019-09-04

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun LEE ,  Hyo Chul Lee

IPC: H01L27/15 ,  H01L27/12 ,  H01L33/36 ,  H01L33/62 ,  H01L33/44

Abstract: A display device includes a substrate including a display area having a plurality of pixel areas and a non-display area located around the display area; a circuit element layer including a circuit element in each of the pixel areas and a reference voltage wiring in the non-display area, the reference voltage wiring being electrically coupled to the circuit element; and a display element layer including a first pixel electrode on the circuit element layer in each of the pixel areas, a second pixel electrode located opposite to the first pixel electrode, a plurality of light emitting elements between the first pixel electrode and the second pixel electrode, and a first wiring on the circuit element layer in the non-display area, wherein the first wiring is directly coupled to the reference voltage wiring in the non-display area.

公开(公告)号：US20200073184A1

公开(公告)日：2020-03-05

申请号：US16424394

申请日：2019-05-28

Applicant: Samsung Display Co., Ltd.

Inventor： Ju Ki PARK ,  Tae-Jong JUN ,  Youn Hak JEONG ,  Won Jun LEE ,  Jin Joo HA

IPC: G02F1/1343 ,  G09G3/36

Abstract: A liquid crystal display device includes a first row including first, second, and third first-color pixels; a second row including fourth, fifth, and sixth first-color pixels; and a third row including seventh, eighth, and ninth first-color pixels. The first, fourth, and seventh first-color pixels are aligned. The second, fifth, and eighth first-color pixels are aligned. The third, sixth, and ninth first-color pixels are aligned. The second first-color pixel is disposed between the first and third first-color pixels. Each pixel electrode of the first, third, fifth, seventh, and ninth first-color pixels may receive a high voltage for a gray level. Each pixel electrode of the second, fourth, sixth, and eighth first-color pixels may receive a low voltage for a gray level lower than the high voltage for a gray level. Liquid crystal molecules in each pixel have two domain directions.

公开(公告)号：US20250078732A1

公开(公告)日：2025-03-06

申请号：US18667705

申请日：2024-05-17

Applicant: Samsung Display Co., LTD.

Inventor： Won Jun LEE ,  Chol Ho KIM

IPC: G09G3/32

Abstract: Provided herein may be a display device including a display panel including a sub-pixel, and a light sensor configured to generate a sensing signal corresponding to a quantity of received light, and including a first sensing transistor configured to generate the sensing signal, and including a back gate electrode configured to receive a sensing gate signal, a second sensing transistor configured to provide the sensing signal to a readout line in response to the sensing gate signal, and a light-receiving element connected to a control node of the first sensing transistor, and a display panel driver configured to drive the display panel.

公开(公告)号：US20250048884A1

公开(公告)日：2025-02-06

申请号：US18660227

申请日：2024-05-10

Applicant: Samsung Display Co., Ltd.

Inventor： Won Jun LEE ,  Dong Woo KIM ,  Kyeong Min PARK ,  Do Yeong PARK ,  Jin Joo HA

IPC: H10K59/80 ,  H10K59/122 ,  H10K59/38

Abstract: The present disclosure relates to a display device, and more particularly, to a display device in which lateral leakage current between adjacent pixels can be reduced so that color mixing between the adjacent pixels can be prevented. According to an embodiment of the disclosure, a substrate, a first pixel electrode and a second pixel electrode disposed on the substrate, a first light-providing layer disposed on the first pixel electrode, a second light-providing layer disposed on the second pixel electrode, a common electrode disposed on the first light-providing layer and the second light-providing layer, and a current capture layer disposed between the first pixel electrode and the second pixel electrode in a plan view.

公开(公告)号：US20240341122A1

公开(公告)日：2024-10-10

申请号：US18507099

申请日：2023-11-13

Applicant: Samsung Display Co., Ltd.

Inventor： Se Hyun LEE ,  Won Jun LEE ,  Jin Joo HA

IPC: H10K59/122 ,  H10K50/11 ,  H10K50/818

CPC classification number: H10K59/122 ,  H10K50/11 ,  H10K50/818 ,  H10K59/38

Abstract: A display device according to an embodiment includes a first electrode disposed at least in an emission area, a bank disposed around the emission area to surround the emission area and including a groove formed in an upper surface thereof, a light emitting stack disposed on the first electrode surrounded by the bank and including a light emitting layer and a first intermediate layer overlapping the light emitting layer, a second electrode disposed on the light emitting stack, and a reflective layer disposed on at least a portion of the bank to cover the groove.