公开(公告)号：US10228598B2

公开(公告)日：2019-03-12

申请号：US15610142

申请日：2017-05-31

Applicant: Samsung Display Co. Ltd.

Inventor： Hyun Joon Kim ,  Kyung Bae Kim ,  Il Gon Kim

IPC: G02F1/1368 ,  G02F1/1334 ,  G02F1/1335 ,  G02F1/1362 ,  G02F7/00 ,  G02F1/1333

Abstract: A provided is a display device. The display device in which a plurality of pixels comprising a first pixel for displaying a first color is defined, the display device comprises: an insulating substrate; and a color adjustment pattern which is disposed in a first pixel on the insulating substrate, emits incident light by adjusting the color of the incident light, and has a first stepped portion formed on at least a part of an edge.

公开(公告)号：US09618806B2

公开(公告)日：2017-04-11

申请号：US14946620

申请日：2015-11-19

Applicant: Samsung Display Co., Ltd.

Inventor： In-Jae Hwang ,  Mee Hye Jung ,  Hyun Joon Kim ,  Il Gon Kim

IPC: H01L27/32 ,  G02F1/13 ,  G02F1/1343 ,  G02F1/1362 ,  G02F1/1335

CPC classification number: G02F1/134309 ,  G02F1/133512 ,  G02F1/136286 ,  H01L27/3211

Abstract: A display device may include a transistor, which includes a first transistor electrode and a second transistor electrode. The display device may further include a pixel electrode, which is electrically connected to the second transistor electrode. The display device may further include a data line, which is electrically connected to the first transistor electrode, wherein the data line includes a bent structure. The display device may further include a light blocking member, which includes a light blocking portion, wherein the light blocking portion extends perpendicular to a section of the data line, and wherein the light blocking portion overlaps both the transistor and the bent structure without overlapping the section of the data line in a direction perpendicular to the light blocking member.

公开(公告)号：US11961950B2

公开(公告)日：2024-04-16

申请号：US17260963

申请日：2019-02-12

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae Kim ,  Hyun Joon Kim ,  Kyung Hoon Chung ,  Mee Hye Jung ,  Min Jae Jeong ,  Jun Ki Jeong

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/387 ,  G09G3/32 ,  G09G2300/0426

Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

公开(公告)号：US11776973B2

公开(公告)日：2023-10-03

申请号：US17379917

申请日：2021-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon Kim ,  Kyung Bae Kim ,  Kyung Hoon Chung ,  Mee Hye Jung

IPC: H01L27/12 ,  H01L33/38 ,  H01L25/075 ,  H01L25/16 ,  H01L33/62 ,  H01L33/00 ,  H01L33/20

CPC classification number: H01L27/1296 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/124 ,  H01L33/387 ,  H01L33/0095 ,  H01L33/20 ,  H01L33/62 ,  H01L2933/0016

Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.

公开(公告)号：US11716883B2

公开(公告)日：2023-08-01

申请号：US17307859

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

Inventor： Jun Hyun Park ,  Jang Mi Kang ,  Hyun Joon Kim ,  Hae Min Kim ,  Min Jae Jeong

IPC: H10K59/131 ,  G09G3/3233 ,  H10K59/122 ,  H10K50/813 ,  H10K59/35

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K50/813 ,  H10K59/122 ,  H10K59/352 ,  G09G2300/0452 ,  G09G2300/0809

Abstract: A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.

公开(公告)号：US11710432B2

公开(公告)日：2023-07-25

申请号：US17749690

申请日：2022-05-20

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong ,  Kyung Hoon Chung ,  Kyung Bae Kim ,  Seung Chan Lee ,  Chong Chul Chai

IPC: G09G3/00

CPC classification number: G09G3/006 ,  G09G2300/0842 ,  G09G2330/10 ,  G09G2330/12

Abstract: A method of testing a display panel including a pixel coupled to first, second, and third power lines, a data line, scan lines, an emission control line, and a test line, the method includes: applying a first power supply voltage to the first power line; applying a test voltage having a turn-on voltage level to the second power line; applying a scan signal having a turn-on voltage level sequentially to the scan lines and an emission control signal having a turn-on voltage level to the emission control line; applying a gate signal to the test line to turn on a test transistor coupled between two electrode of a light emitting element included in the pixel; measuring a sensing voltage output through the data line; and determining whether the pixel is defective, based on a voltage level of the measured sensing voltage.

公开(公告)号：US11645980B2

公开(公告)日：2023-05-09

申请号：US17675406

申请日：2022-02-18

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2310/061 ,  G09G2320/0233

Abstract: A pixel of a light-emitting display device includes a capacitor, a first transistor, a second transistor including a gate receiving a gate writing signal, a third transistor including a gate receiving a scan signal, a fourth transistor including a gate receiving a gate initialization signal, a fifth transistor including a gate receiving a first emission signal, a sixth transistor including a gate receiving a second emission signal, and a light-emitting diode. The scan signal and the gate writing signal may be provided at a first frequency, and the first emission signal, the second emission signal and the gate initialization signal may be provided at a second frequency higher than the first frequency.

公开(公告)号：US11437456B2

公开(公告)日：2022-09-06

申请号：US17229289

申请日：2021-04-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim Song ,  Hyun Joon Kim ,  Hae Min Kim ,  Mee Hye Jung

IPC: G09G3/32 ,  H01L27/32 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12

Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line, are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.

公开(公告)号：US11211011B2

公开(公告)日：2021-12-28

申请号：US17035846

申请日：2020-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon Kim ,  Jun Ki Jeong

IPC: G09G3/30 ,  G09G3/3266 ,  H01L27/32

Abstract: The present inventive concept relates to a display device. Specifically, the display device according to an embodiment of the present inventive concept includes pixels; a scan driver supplying a first scan signal, a third scan signal, and a fourth scan signal at a first frequency and supplying a second scan signal at a second frequency that is a divisor of the first frequency; a data driver supplying a data signal at the second frequency; an emission driver supplying an emission control signal at the first frequency; and a timing controller.

公开(公告)号：US20210399072A1

公开(公告)日：2021-12-23

申请号：US17229289

申请日：2021-04-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim Song ,  Hyun Joon Kim ,  Hae Min Kim ,  Mee Hye Jung

IPC: H01L27/32 ,  G09G3/3283 ,  G09G3/3266 ,  G09G3/3233

Abstract: A display device may include a plurality of pixels each including a light emitting element. A first scan line and a second scan line, are disposed in each of the pixels. A data line is disposed in each of the pixels. A power line is disposed in each of the pixels. A reference voltage line is disposed in each of the pixels. A first transistor controls a current of the light emitting element. A second transistor is connected between the data line and a first gate electrode of the first transistor. A third transistor is connected between the reference voltage line and a first electrode of the first transistor. A fourth transistor is connected between the power line and a second electrode of the first transistor. The fourth transistor may be a transistor of a type different from that of the first to third transistors.