公开(公告)号：US20240331615A1

公开(公告)日：2024-10-03

申请号：US18493124

申请日：2023-10-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jung KIM ,  Seung Bo SHIM ,  Min Ji BAEK ,  Hye Sun SUNG ,  Ji Hyeon SON ,  Jeong Yong LEE

IPC: G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L33/38 ,  H01L33/62

CPC classification number: G09G3/32 ,  H01L25/0753 ,  H01L25/167 ,  H01L27/1237 ,  H01L33/382 ,  H01L33/62 ,  G09G2320/0247 ,  G09G2320/0257 ,  H01L2933/0016

Abstract: A display device includes a first layer disposed on a base layer and including a first gate electrode, a first gate insulating layer, and an active layer, and a second layer disposed on the first layer and including a second gate electrode, a second gate insulating layer, and the active layer. The first layer and the second layer share the active layer. The first gate insulating layer has a first dielectric constant, and the second gate insulating layer has a second dielectric constant. The first dielectric constant and the second dielectric constant are different from each other.

公开(公告)号：US20210343248A1

公开(公告)日：2021-11-04

申请号：US17372929

申请日：2021-07-12

Applicant: Samsung Display Co., Ltd.

Inventor： Dae Youn CHO ,  Sang Kil KIM ,  Hyo Jung KIM ,  Jong Woo PARK ,  Dong Gi AHN ,  Jong Won LEE ,  Ju Hee LEE ,  Young Tae CHOI

IPC: G09G3/3291 ,  H01L51/50 ,  G09G3/00 ,  H01L27/32 ,  G09G3/20 ,  G09G3/3233 ,  G09G3/3266

Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.

公开(公告)号：US20200033914A1

公开(公告)日：2020-01-30

申请号：US16408953

申请日：2019-05-10

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jung KIM ,  Tae Young KIM ,  Jong Woo PARK ,  Dae Youn CHO ,  Ki Ju IM ,  Young Tae CHOI

IPC: G06F1/16 ,  H01L27/12 ,  H01L51/00

Abstract: A display device includes a flexible substrate, a display element on the flexible substrate and including a thin film transistor, a metal layer disposed at a lower portion of the flexible substrate, and an air layer formed between the flexible substrate and the metal layer.

公开(公告)号：US20190305055A1

公开(公告)日：2019-10-03

申请号：US16287389

申请日：2019-02-27

Applicant: Samsung Display Co., Ltd.

Inventor： June Hwan KIM ,  Tae Young KIM ,  Hyo Jung KIM

IPC: H01L27/32 ,  G09G3/3225

Abstract: A display device may include a first pixel including a first transistor, and a first light emitting element on and electrically connected to the first transistor, a second pixel adjacent the first pixel, the second pixel including a second transistor, and a second light emitting element on and electrically connected to the second transistor, and a reflective member at a layer that is above the first pixel and the second pixel, the reflective member being configured to reflect a light emitted from the second light emitting element to the first transistor.

公开(公告)号：US20240268161A1

公开(公告)日：2024-08-08

申请号：US18490891

申请日：2023-10-20

Applicant: Samsung Display Co., LTD.

Inventor： Seung Bo SHIM ,  Hyo Jung KIM ,  Ji Hyeon SON ,  Jeong Yong LEE ,  Yoo Young PARK ,  Ji Myoung SEO

IPC: H10K59/123 ,  H01L29/786 ,  H10K59/12 ,  H10K71/16 ,  H10K71/60

CPC classification number: H10K59/123 ,  H01L29/7869 ,  H01L29/78696 ,  H10K59/1201 ,  H10K71/166 ,  H10K71/60

Abstract: A display device includes a first transistor, a pixel electrode electrically connected to the first transistor, and a second transistor electrically connected to the first transistor. A nitrogen content per unit area of an active layer of the second transistor is greater than a nitrogen content per unit area of an active layer of the first transistor.

公开(公告)号：US20200243006A1

公开(公告)日：2020-07-30

申请号：US16567578

申请日：2019-09-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyo Jung KIM ,  Tae Young KIM ,  Yong Sung Park ,  Jong Woo Park ,  Mi Seon SEO ,  Keun Soo LEE ,  Ki Ju IM ,  Dae Youn CHO ,  Young Tae CHOI ,  Hyun Cheol HWANG

IPC: G09G3/3233 ,  H01L27/32

Abstract: A display device includes a plurality of pixels. Each pixel includes a first transistor that controls an amount of current received from a first power supply voltage line connected via a second node to an organic light emitting diode in response to a voltage of a first node, a second transistor connected between a data line and the second node and that includes a first gate electrode connected to a first scan line, a light emitting line connected to a gate electrode of at least one light emitting transistor located in a current path between the first power supply voltage line and the organic light emitting diode, and a seventh transistor connected between one of at least one second gate electrode of the second transistor and the light emitting line. Accordingly, a threshold voltage of a switching transistor included in each of the plurality of pixels may be negatively shifted.

公开(公告)号：US20180144703A1

公开(公告)日：2018-05-24

申请号：US15791737

申请日：2017-10-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： June Hwan KIM ,  Hyo Jung KIM

IPC: G09G3/36

Abstract: A scan driver includes a plurality of clock lines which receive clock signals in different phases, a plurality of stages connected with at least one of the plurality of clock lines, an initialization line which receives an initialization pulse, a first control transistor, which is connected between the initialization line and each of the plurality of clock lines, and which is turned on when the initialization pulse is supplied, and a second control transistor, which is connected between the initialization line and each of the plurality of stages, and which is turned on when the initialization pulse is supplied.

公开(公告)号：US20250028208A1

公开(公告)日：2025-01-23

申请号：US18625770

申请日：2024-04-03

Applicant: Samsung Display Co., LTD.

Inventor： Hyo Jung KIM ,  Ki Yong PARK ,  Hye Sun SUNG ,  Seung Bo SHIM

IPC: G02F1/1345 ,  G02F1/1333 ,  H10K59/82

Abstract: A display device includes a display panel including a first surface and a second surface, the display panel including a base layer and a display layer on the base layer; a driving circuit part disposed on the second surface of the display panel, the driving circuit part including a ground line and a driving circuit; a conductive resin part disposed on the second surface of the display panel, the conductive resin part being electrically connected to the ground line, the conductive resin part including a conductive particle and a resin; and a set bracket covering at least a portion of the second surface of the display panel, the set bracket forming an electrical contact surface with the conductive resin part.

公开(公告)号：US20240379465A1

公开(公告)日：2024-11-14

申请号：US18532105

申请日：2023-12-07

Applicant: Samsung Display Co., Ltd.

Inventor： Deok Jun CHOI ,  Hyo Jung KIM ,  KI YONG PARK ,  Yoo Young PARK ,  Hye Sun SUNG ,  Ji Hyeon SON ,  Seung Bo SHIM ,  Jeong Yong LEE

IPC: H01L21/66 ,  G09G3/3258 ,  G09G3/3291 ,  H10K59/12

Abstract: A method includes: forming a MOSFET layer on a semiconductor wafer substrate, the MOSFET layer including: pixel driver circuits; and a display driver circuit; forming at least one line layer on the MOSFET layer; applying a first supply voltage to a first supply voltage line through a first supply voltage pad; connecting data fan-out lines connected to the pixel driver circuits with a first test line by controlling a test switching circuit in the MOSFET layer; measuring an electrical signal generated from each of the pixel driver circuits through a first test pad connected to the first test line; determining whether each of the pixel driver circuits is defective or not based on the measured electrical signal; and forming a light-emitting element layer including light-emitting elements on the at least one line layer when that the pixel driver circuits are determined to be not defective.

公开(公告)号：US20190304378A1

公开(公告)日：2019-10-03

申请号：US16372927

申请日：2019-04-02

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dae Youn CHO ,  Sang Kil KIM ,  Hyo Jung KIM ,  Jong Woo PARK ,  Dong Gi AHN ,  Jong Won LEE ,  Ju Hee LEE ,  Young Tae CHOI

IPC: G09G3/3291 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/20 ,  G09G3/00 ,  H01L27/32 ,  H01L51/50

Abstract: An organic light emitting display device includes scan lines arranged in horizontal lines, data lines intersecting the scan lines, a pixel array including pixels coupled to the scan lines and the data lines, the pixels including at least first color pixels, a panel tester including switching elements coupled to first ends of the data lines, the switching elements including at least first and second switching elements, and a first line coupled to the first switching elements and a second line coupled to the second switching elements. Data lines of K-th to (K+L)-th (where K and L are natural numbers) first color pixels arranged in a predetermined horizontal line are coupled to the first line through the first switching elements, and data lines of at least a part of remaining first color pixels arranged in the predetermined horizontal line are coupled to the second line through the second switching elements.