公开(公告)号：US20240099085A1

公开(公告)日：2024-03-21

申请号：US18366847

申请日：2023-08-08

Applicant: Samsung Display Co., LTD.

Inventor： Sung Chan HWANG ,  Dong Hyun KIM ,  Chul Kyu KANG ,  Hey Jin SHIN ,  Seo Won CHOE ,  Chae Han HYUN

IPC: H10K59/131 ,  H10K59/121

CPC classification number: H10K59/131 ,  H10K59/1216

Abstract: A display device includes a pixel. The pixel is electrically connected to a first power line, a second power line, and a data line. The pixel includes a first transistor, and a capacitor electrically connected between a gate electrode of the first transistor and an electrode of the first transistor. In a plan view, the data line extends in a second direction. The first power line extends in a first direction intersecting the second direction and overlaps the data line and the gate electrode of the first transistor. The second power line extends in the second direction, overlaps the data line, and overlaps the gate electrode of the first transistor.

公开(公告)号：US20230246150A1

公开(公告)日：2023-08-03

申请号：US18093252

申请日：2023-01-04

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Ae PARK ,  Kyoung Jin PARK ,  Chae Han HYUN

IPC: H01L33/62 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L33/382

Abstract: A display device comprises a substrate, a first channel above the substrate, a first gate electrode overlapping the first channel, a storage electrode above the first gate electrode, a first connection electrode above the storage electrode, and connected with the first gate electrode, a third channel of a third transistor above the substrate, and a second scan line including a third gate electrode overlapping the third channel, wherein the third transistor includes a second electrode connected with the first connection electrode, and wherein the second scan line includes a first portion including the third gate electrode, and extending in a first direction, a second portion bent from the first portion, and extending in a second direction in parallel with a first side of the storage electrode, and a third portion bent from the second portion, and extending in the first direction in parallel with a second side of the storage electrode.

公开(公告)号：US20200211459A1

公开(公告)日：2020-07-02

申请号：US16653046

申请日：2019-10-15

Applicant: Samsung Display Co., Ltd.

Inventor： Chae Han HYUN

IPC: G09G3/3233

Abstract: A pixel in a display device includes a light emitting element, a first transistor for controlling an amount of current flowing from a first power source to a second power source via the light emitting element corresponding to a voltage applied to a first node, and second and third transistors coupled in series between a holding power source and a second node coupled to one electrode of the first transistor, wherein the second transistor includes a gate electrode coupled to an emission control line, and wherein the third transistor includes a gate electrode coupled to a scan line.

公开(公告)号：US20180261163A1

公开(公告)日：2018-09-13

申请号：US15804121

申请日：2017-11-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Chae Han HYUN ,  Seung Kyu LEE ,  Jung Hun YI ,  Seon I JEONG

IPC: G09G3/3266 ,  G09G3/3233

CPC classification number: G09G3/3266 ,  G09G3/003 ,  G09G3/3233 ,  G09G2310/08 ,  G09G2330/028 ,  G09G2340/04 ,  G09G2354/00

Abstract: An organic light emitting display device includes: a first pixel region including first pixels coupled to first and second scan lines, and emission control lines; a first scan driver which supplies a first scan signal to each first scan line; a second scan driver which supplies a second scan signal to each second scan line; and an emission driver which supplies a light emission control signal to the emission control lines. The organic light emitting display device is in a second mode when the organic light emitting display device is mounted in a wearable device, and in a first mode otherwise. The second scan driver supplies k second scan signals to each second scan line in the first mode, and supplies j second scan signals to each second scan line in the second mode, where j is greater than k.

公开(公告)号：US20240282247A1

公开(公告)日：2024-08-22

申请号：US18436372

申请日：2024-02-08

Applicant: Samsung Display Co., LTD.

Inventor： Soon-Gi KWON ,  Min Woo BYUN ,  Ji-Hyun KA ,  MINJOO KIM ,  Seon I JEONG ,  Chae Han HYUN ,  SUNGCHAN HWANG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0452 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/0243 ,  G09G2310/08

Abstract: A light emitting display device includes multiple pixels arranged in multiple pixel rows, a first scan signal generator that provides a first scan signal to the pixels in the pixel rows, a second scan signal generator that provides a second scan signal to the pixels in the pixel rows, a third scan signal generator that provides a third scan signal to the pixels in the pixel rows, and a light emission signal generator that provides a light emission signal to the pixels in the pixel rows. Each of the second scan signal generator, the third scan signal generator, and the light emission signal generator provides a same signal to the pixels in two of the pixel rows.

公开(公告)号：US20240265868A1

公开(公告)日：2024-08-08

申请号：US18466973

申请日：2023-09-14

Applicant: Samsung Display Co., LTD.

Inventor： Min Woo BYUN ,  Chae Han HYUN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/0223 ,  G09G2320/0233

Abstract: A pixel includes a light emitting element, a driving transistor having an electrode electrically connected to an anode electrode of the light emitting element and another electrode electrically connected to a first power source, and controlling a current flowing from the first power source to a second power source, a first transistor electrically connected between a gate electrode of the driving transistor and a reference power source, a second transistor electrically connected between the anode electrode and an initialization power source, a third transistor electrically connected between the gate electrode and a data line, and a fourth transistor and a fifth transistor electrically connected in parallel between the first power source and the another electrode. The fourth transistor compensates a threshold voltage of the driving transistor during a compensation period, and the fifth transistor is turned so that the current is controlled during an emission period.

公开(公告)号：US20240153459A1

公开(公告)日：2024-05-09

申请号：US18500239

申请日：2023-11-02

Applicant: Samsung Display Co., LTD.

Inventor： Byung Ki CHUN ,  Ji Hyun KA ,  Min Seok BAE ,  Chang Bin IM ,  Chae Han HYUN

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2320/043

Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.

公开(公告)号：US20240107812A1

公开(公告)日：2024-03-28

申请号：US18226027

申请日：2023-07-25

Applicant: Samsung Display Co., Ltd.

Inventor： MINJOO KIM ,  Jun Won CHOI ,  Jun Young MIN ,  Min Woo BYUN ,  Jun-Yong AN ,  Chae Han HYUN ,  SUNGCHAN HWANG

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/131

CPC classification number: H10K59/1216 ,  G09G3/3233 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08

Abstract: Provided is a light emitting display device comprising a driving transistor; a second transistor; a light emitting diode; a storage capacitor; a first scan line; and a driving gate electrode, in which a pixel includes only a transistor including an oxide semiconductor. The light emitting display device prevents deterioration of display quality due to a boost capacitor with a scan line in a pixel using an n-type transistor including an oxide semiconductor. Further, the light emitting display device prevents deterioration of display quality due to coupling with a data line in a pixel using an n-type transistor.

公开(公告)号：US20210366402A1

公开(公告)日：2021-11-25

申请号：US17246328

申请日：2021-04-30

Applicant: Samsung Display Co., Ltd.

Inventor： Hai Jung IN ,  Ji Hyun KA ,  Tae Hoon KWON ,  Ki Myeong EOM ,  Chae Han HYUN

IPC: G09G3/3266 ,  G09G3/3275

Abstract: A gate driver includes a stage configured to output a gate signal, the stage including an input part configured to control a voltage of a first node and a voltage of a second node based on signals supplied to a first input terminal and a second input terminal, an output part configured to supply a voltage of a first power source or a voltage of a second power source as the gate signal to an output terminal based on a voltage of a third node and a voltage of a fourth node, a first signal processing part configured to supply the voltage of the second power source to the fourth node based on the voltage of the first node, or to electrically connect the second node and the fourth node through a fifth node based on a signal supplied to a third input terminal, and a second signal processing part including a first transistor connected between the third node and a sixth node to control the voltage of the third node based on an operation of the first transistor.

公开(公告)号：US20210225266A1

公开(公告)日：2021-07-22

申请号：US17024362

申请日：2020-09-17

Applicant: Samsung Display Co., Ltd.

Inventor： Chae Han HYUN ,  Ah Young KIM

IPC: G09G3/32

Abstract: A display device includes pixels, a scan driver, an emission driver, and a data driver. A pixel of an i-th horizontal line includes a light emitting element, a first transistor including a first electrode connected to a first node, a second transistor including a gate electrode connected to an (i+x)-th emission control line and connected to one of the data lines, a third transistor including a gate electrode connected to an (i+y)-th emission control line, and connected between the second transistor and the first node, a fourth transistor connected between a third node connected to a second electrode of the first transistor and a second node, and turned on by a scan signal supplied to an i-th scan line, and a fifth transistor connected between the first power and the first node, and turned off by the emission control signal supplied to an i-th emission control line.