公开(公告)号：US12156435B2

公开(公告)日：2024-11-26

申请号：US17706103

申请日：2022-03-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sun-Youl Lee ,  Yeon-Heok You ,  Sang-Won Seo ,  Jung-Ju Yu

IPC: H10K59/122 ,  H10K50/844 ,  H10K59/12 ,  H10K59/124 ,  H10K59/126 ,  H10K59/131 ,  H10K71/00

Abstract: A display device includes a substrate including a display region and a peripheral region, display structures at the display region of the substrate, a plurality of blocking structures at the peripheral region of the substrate wherein the blocking structures have heights different from each other, an organic layer on the display structures and the blocking structures, and an inorganic layer on the organic layer.

公开(公告)号：US12156430B2

公开(公告)日：2024-11-26

申请号：US18205205

申请日：2023-06-02

Applicant: Samsung Display Co., LTD.

Inventor： Dae-Won Lee

IPC: G09G5/00 ,  G09G3/00 ,  G09G3/3225 ,  H10K59/121 ,  H10K59/131

Abstract: A display device includes: a substrate including a display area and a peripheral area adjacent to the display area, pixels disposed in the display area on the substrate, each of the pixels including a pixel transistor and an emission element connected to the pixel transistor, and a driver disposed in the peripheral area on the substrate and including a driver transistor. The driver transistor includes an active pattern, a first gate pattern disposed on the active pattern and overlapping a first channel region of the active pattern, a second gate pattern disposed in a same layer as the first gate pattern and overlapping a second channel region of the active pattern, a first electrode pattern disposed on the active pattern and connected to a source region of the active pattern, and a second electrode pattern disposed on the active pattern and connected to a drain region of the active pattern.

公开(公告)号：US12155021B2

公开(公告)日：2024-11-26

申请号：US17222434

申请日：2021-04-05

Applicant: Samsung Display Co., LTD.

Inventor： Hyun Wook Lee ,  Ki Nyeng Kang ,  Ki Bum Kim ,  Jin Taek Kim ,  Kyung Tae Chae

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L25/16 ,  H01L27/12 ,  H01L27/15 ,  H01L33/18 ,  H01L33/36 ,  H01L33/38 ,  H01L33/54

Abstract: A pixel includes a first insulating film disposed on a substrate, a light emitting element disposed on the first insulating film, a second insulating film disposed on the light emitting element to cover at least a portion of the light emitting element, a first contact electrode and a second contact electrode, each of the first and second contact electrodes including at least a portion disposed on the first insulating film and connected to the light emitting element, and an encapsulation layer including a photosensitive material.

公开(公告)号：US12154637B2

公开(公告)日：2024-11-26

申请号：US18380800

申请日：2023-10-17

Applicant: Samsung Display Co., LTD.

Inventor： Il Hun Jeong ,  Hai Jung In ,  Hye Sung Kim

IPC: G11C19/18 ,  G09G3/30

Abstract: A stage circuit includes an input unit connected to a first input terminal receiving a gate start pulse or a previous stage carry signal to control a voltage of a first node, a first output unit connected to a fourth input terminal to which a clock signal is input and supplying a scan signal to a first output terminal corresponding to a voltage of the first node and a second node, a second output unit connected to a third input terminal to which a second carry clock signal is input and supplying a carry signal to a second output terminal corresponding to the voltage of the first node and the second node, a first control unit connected to a first power input terminal to which first power is input and controlling a voltage of a third node, and a second control unit connected to a second power input terminal.

公开(公告)号：US12154511B2

公开(公告)日：2024-11-26

申请号：US18050286

申请日：2022-10-27

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Ki Hyun Pyun ,  Jang Hoon Kwak ,  Won Jin Seo

IPC: G09G3/3266

Abstract: A display device includes a display panel including scan lines, first signal lines connected to the scan lines in a first pixel block, second signal lines connected to the scan lines in a second pixel block, third signal lines connected to the scan lines in a third pixel block; a first scan driver supplying a first output signal to the first signal lines based on a first sub-clock signal; a second scan driver supplying a second output signal to the second signal lines based on a second sub-clock signal; a third scan driver supplying a third output signal to the third signal lines based on and a third sub-clock signal; and a timing controller. Changes in pulse widths of the first to third output signals are different in one frame period.

公开(公告)号：US12154505B2

公开(公告)日：2024-11-26

申请号：US18226355

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Young-In Hwang ,  Sung Ho Kim ,  Eung Taek Kim ,  Yong Ho Yang ,  Seong Min Wang ,  Jung-Mi Choi

IPC: G09G3/3233 ,  G09G3/3258 ,  G09G3/3266 ,  G09G3/3291 ,  H10K59/131

Abstract: A pixel includes: an organic light emitting diode; a first transistor including a gate that is connected to a first node, wherein the first transistor is connected between a second node and a third node; a second transistor including a gate that is connected to a corresponding scan line, wherein the second transistor is connected between a data line and the second node; a storage capacitor connected between the first node and a first voltage; a third transistor including a gate that is connected to the corresponding scan line, the third transistor is connected between the first node and the third node; and a fourth transistor connected between a first end of the first transistor and a second voltage.

公开(公告)号：US12154486B2

公开(公告)日：2024-11-26

申请号：US18136430

申请日：2023-04-19

Applicant: Samsung Display Co., LTD.

Inventor： Jaekeun Lim ,  Jin-Wook Yang ,  Bon-Seog Gu ,  Jinyoung Roh ,  Hae-Kwan Seo

IPC: G09G3/32

Abstract: A display panel of a display device includes: first light emitting elements located in a first row, second light emitting elements located in a second row adjacent to the first row, first pixel circuits located in the first row, and second pixel circuits located in the second row. Each of the first pixel circuits drives a first light emitting element, located in a column the same as a column in which the each of the first pixel circuits is located, among the first light emitting elements. At least one second pixel circuit of the second pixel circuits drives a second light emitting element, located in a column different from a column in which the at least one second pixel circuit is located, among the second light emitting elements.

公开(公告)号：US12154371B2

公开(公告)日：2024-11-26

申请号：US17946664

申请日：2022-09-16

Applicant: Samsung Display Co., Ltd.

Inventor： Soongyu Lee

IPC: G06V40/13 ,  G06V10/141 ,  G06V10/143 ,  G06F3/0354

Abstract: An electronic device includes a display panel including a base layer, and an element layer disposed on the base layer, the element layer including pixels outputting a first light, and light receiving sensors, an input device providing a second light to the display panel, and a control module controlling operations of the display panel and the input device. The light receiving sensors detect the second light provided from the input device and generate a detection signal. The control module calculates biometric information of a user based on the detection signal.

公开(公告)号：US12153761B2

公开(公告)日：2024-11-26

申请号：US18365388

申请日：2023-08-04

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyun Min Cho ,  Dae Hyun Kim ,  Sung Chul Kim ,  Hye Yong Chu ,  Keun Kyu Song

IPC: H01L33/00 ,  G06F3/041 ,  G06F3/042 ,  G09G3/3225 ,  H01L33/20 ,  H01L33/32 ,  H01L33/38

Abstract: A display device including a substrate and a plurality of pixels in a display region of the substrate. Each of the pixels includes first and second sub-pixels, and each of the first and second sub-pixels has a light emitting region for emitting light. The first sub-pixel includes a first light emitting element in the light emitting region and configured to emit visible light. The second sub-pixel includes a second light emitting element in the light emitting region and configured to emit infrared light and a light receiving element configured to receive the infrared light emitted from the second light emitting element to detect a user's touch. The second light emitting element and the light receiving element in the second sub-pixel are electrically insulated from and optically coupled to each other to form a photo-coupler.

公开(公告)号：US12153751B2

公开(公告)日：2024-11-26

申请号：US18146365

申请日：2022-12-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hyunjee Jeon ,  Sanghyun Lim

IPC: G06F3/041 ,  G01J1/44 ,  G06F3/044

Abstract: An electronic device includes a display panel, an input sensor that is disposed on the display panel and that includes a first sensing electrode and a second sensing electrode that crosses the first sensing electrode, and an optical sensor disposed on the input sensor. The optical sensor includes a photo-electrode disposed on one of the first sensing electrode and the second sensing electrode and a light receiving element that electrically connects one of the first sensing electrode to the second sensing electrode and the photo-electrode.