公开(公告)号：US11903271B2

公开(公告)日：2024-02-13

申请号：US17239027

申请日：2021-04-23

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H10K59/131 ,  G09G3/3225 ,  H10K59/124 ,  H10K59/121 ,  G09G3/3233 ,  H01L29/786

CPC classification number: H10K59/131 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  G09G2300/0819 ,  G09G2310/0262 ,  G09G2320/0238 ,  G09G2320/0276 ,  G09G2320/045 ,  H01L29/78696

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US11545091B2

公开(公告)日：2023-01-03

申请号：US17179240

申请日：2021-02-18

Applicant: Samsung Display Co., Ltd.

Inventor： Ji Hyun Ka ,  Seung Ji Cha ,  Mi Hae Kim ,  Ki Myeong Eom

IPC: G09G3/20 ,  G09G3/3258 ,  H01L51/52 ,  G09G3/3233 ,  G09G3/3291 ,  H01L27/32 ,  G09G3/3266 ,  G09G3/3225 ,  G09G3/3275

Abstract: A display device includes: a first pixel including a first organic light emitting diode; an initialization voltage generator for generating a first initialization voltage to be supplied to an anode of the first organic light emitting diode; and a timing controller including a first lookup table in which a plurality of first initialization voltage values corresponding to a plurality of maximum luminances are recorded, the timing controller being configured to determine a value of the first initialization voltage, based on reception information on a target maximum luminance and the first lookup table.

公开(公告)号：US11276339B2

公开(公告)日：2022-03-15

申请号：US16741443

申请日：2020-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Kyung Hoon Kim

IPC: G09G3/00 ,  G09G3/20

Abstract: A display device includes sub-pixels in a display area and arranged along first to eighth columns; first to fourth wiring pads in a non-display area and arranged at one side of the display area; crack detection lines in the non-display area; first to fourth fan-out lines connecting the sub-pixels arranged along the first to eighth columns to the first to fourth wiring pads; and an inspection unit between the first to fourth wiring pads and the display area, the inspection unit being electrically connected to the crack detection lines and the first to fourth fan-out lines, the inspection unit to apply a test voltage to the first to fourth fan-out lines to inspect whether the first to fourth fan-out lines are shorted or open, and to apply the test voltage to the crack detection lines to inspect damage to the crack detection lines.

公开(公告)号：US10825394B2

公开(公告)日：2020-11-03

申请号：US16575661

申请日：2019-09-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Mi Hae Kim ,  Hyun Ji Kang ,  Kyung Hoon Kim ,  Jae Du Noh ,  Jeong Hun Bang ,  Kyong Hwan Oh

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display device is described comprising sub-pixels that include: a first driving transistor and a second driving transistor, each of which control a current flowing from a first electrode to a second electrode in accordance with a data voltage applied to a gate electrode; a light emitting element connected to the second electrodes of the first driving transistor and the second driving transistor; and a first contact hole and a second contact hole which are disposed in the gate electrode, wherein the gate electrode includes a first gate electrode overlapping the first driving transistor in a thickness direction and a second gate electrode overlapping the second driving transistor in the thickness direction, and the first contact hole is located in the first gate electrode, the second contact hole is located in the second gate electrode, and the first contact hole and the second contact hole overlap each other.

公开(公告)号：US20200302860A1

公开(公告)日：2020-09-24

申请号：US16575661

申请日：2019-09-19

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Hyun Ji Kang ,  Kyung Hoon Kim ,  Jae Du Noh ,  Jeong Hun Bang ,  Kyong Hwan Oh

IPC: G09G3/325 ,  G09G3/3258 ,  G09G3/3291 ,  G09G3/3266

Abstract: A display device is described comprising sub-pixels that include: a first driving transistor and a second driving transistor, each of which control a current flowing from a first electrode to a second electrode in accordance with a data voltage applied to a gate electrode; a light emitting element connected to the second electrodes of the first driving transistor and the second driving transistor; and a first contact hole and a second contact hole which are disposed in the gate electrode, wherein the gate electrode includes a first gate electrode overlapping the first driving transistor in a thickness direction and a second gate electrode overlapping the second driving transistor in the thickness direction, and the first contact hole is located in the first gate electrode, the second contact hole is located in the second gate electrode, and the first contact hole and the second contact hole overlap each other.

公开(公告)号：US09646541B2

公开(公告)日：2017-05-09

申请号：US14558463

申请日：2014-12-02

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2310/0286

Abstract: A display device is disclosed. In one aspect, the display device includes a display panel including gate lines and pixels electrically connected to the gate lines, the pixels comprising a first pixel row and a second pixel row having a fewer number of pixels than the first pixel row. The display device also includes a gate driver including stages, each configured to output a gate signal to the respective gate line, the gate lines comprising first and second gate lines respectively connected to the first and second pixel rows, and the stages comprising first and second stages respectively connected to the first and second gate lines. An output transistor of each stage is configured to output the gate signal and the channel width of the output transistor of the first stage is greater than that of the output transistor of the second stage.

公开(公告)号：US12262610B2

公开(公告)日：2025-03-25

申请号：US18419083

申请日：2024-01-22

Applicant: Samsung Display Co., Ltd.

Inventor： Mi Hae Kim ,  Min Ho Ko ,  Seung Woo Sung ,  Ki Myeong Eom ,  Jin Jeon

IPC: H10K59/131 ,  G09G3/3225 ,  G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H01L29/786

Abstract: An organic light emitting diode display includes a plurality of pixels. At least one pixel is connected to a scan line receive a scan signal, a data line to receive a data signal, and voltage line to receive a driving voltage. The at least one pixel includes a switching transistor including a switching drain electrode to output the data voltage, a driving transistor including a driving source electrode connected to the switching drain electrode, and an organic light emitting diode connected to a driving drain electrode of the driving transistor. The driving source electrode is separated from the data line.

公开(公告)号：US11935481B2

公开(公告)日：2024-03-19

申请号：US17524019

申请日：2021-11-11

Applicant: Samsung Display Co., Ltd.

Inventor： Seung Han Jo ,  Min Chae Kwak ,  Kyeong Hwa Kim ,  Mi Hae Kim ,  Kyong Hwan Oh ,  Su Mi Jang ,  Jae-Ho Choi

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2330/028

Abstract: Provided is a display device, which includes: a reference voltage line formed along a circular outer line and configured to provide a reference voltage; a first reference voltage auxiliary line electrically connected to the reference voltage line and formed to be parallel with a predetermined interval; and a conductive line forming a contact with the reference voltage line and the first reference voltage auxiliary line and configured to provide the reference voltage to a cathode.

公开(公告)号：US11653536B2

公开(公告)日：2023-05-16

申请号：US17115649

申请日：2020-12-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo Choi ,  Mi Hae Kim ,  Sang Won Seok ,  Hwan Soo Jang ,  Su Jin Lee

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  G09G3/3233

CPC classification number: H01L27/3276 ,  G09G3/3258 ,  H01L27/3246 ,  H01L27/3258 ,  H01L51/5218 ,  H01L51/5234 ,  G09G3/3233 ,  G09G3/3266 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/0251 ,  G09G2310/0262

Abstract: An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.

公开(公告)号：USRE49048E1

公开(公告)日：2022-04-19

申请号：US16589776

申请日：2019-10-01

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Kyu Lee ,  Chae Han Hyun ,  Mi Hae Kim ,  Myeong Hee Seo ,  Ki Myeong Eom ,  Ji-Eun Lee

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233

Abstract: An organic light-emitting diode display is disclosed. In one aspect, the display includes a scan line formed over a substrate, a data line formed over the substrate, and a driving voltage line configured to receive a driving voltage. The data line and driving voltage line cross the scan line and are electrically insulated from the scan line. A switching transistor is electrically connected to the scan line and the data line and includes a switching drain electrode. A driving transistor includes a driving source electrode electrically connected to the switching drain electrode and a driving gate electrode including a first storage electrode. A storage line includes a second storage electrode overlapping the first storage electrode. An OLED is electrically connected to the driving transistor, the second storage electrode including an extension at least partially overlapping the data line.