公开(公告)号：US20240068082A1

公开(公告)日：2024-02-29

申请号：US18218485

申请日：2023-07-05

Applicant: Samsung Display Co., LTD.

Inventor： JUNHYEUK KO ,  MINGOO KANG ,  EUIGYU KIM ,  JONGBUM KIM ,  Sukha RYU ,  SANG MIN YI ,  KYUNGHOON CHUNG

IPC: C23C14/04 ,  H10K71/10

CPC classification number: C23C14/042 ,  H10K71/191 ,  H01L21/682

Abstract: A deposition apparatus includes a mask, a mask frame, a stage disposed on a rear surface of the mask frame, and first to third external force applying parts disposed on the stage. Each of the first portion and the second portion includes a support and a driving part which moves the support. The first to third external force applying parts applies external force to the mask frame to control a shape of the mask frame.

公开(公告)号：US20180161825A1

公开(公告)日：2018-06-14

申请号：US15828202

申请日：2017-11-30

Applicant: Samsung Display Co., Ltd.

Inventor： JINSEOK SON ,  MYUNGKYU KIM ,  KYUNGHOON CHUNG

IPC: B08B3/02 ,  B08B7/00 ,  B08B3/08 ,  B08B7/04

CPC classification number: B08B3/024 ,  B08B3/08 ,  B08B7/0042 ,  B08B7/0057 ,  B08B7/04 ,  C23C14/042 ,  H01L51/0011 ,  H01L51/5287 ,  H01L51/56 ,  H05B33/10

Abstract: A mask cleaning apparatus and method of using the same includes a preheating zone preheating a mask, a first ultraviolet cleaning zone irradiating the mask with a first ultraviolet laser beam at a first irradiation angle, a first cooling zone cooling the mask irradiated with the first ultraviolet laser beam, a second ultraviolet cleaning zone irradiating the mask with a second ultraviolet laser beam at a second irradiation angle, a second cooling zone cooling the mask irradiated with the second ultraviolet laser beam, an infrared cleaning zone irradiating the mask with an infrared laser beam at a third irradiation angle, and a peeling zone spraying air onto the mask irradiated with the infrared laser beam.

公开(公告)号：US20240321214A1

公开(公告)日：2024-09-26

申请号：US18435433

申请日：2024-02-07

Applicant: Samsung Display Co., LTD.

Inventor： KYUNGHOON CHUNG

IPC: G09G3/3266 ,  G09G3/32

CPC classification number: G09G3/3266 ,  G09G3/32 ,  G09G2300/0426 ,  G09G2310/0267 ,  G09G2310/0291 ,  G09G2310/08

Abstract: A gate driver includes: a stage, which generates a carry signal and provides the carry signal to a next stage; and an output controller, which receives the carry signal and an enable signal, controls a voltage of a first control node in the output controller based on the carry signal or both the carry signal and the enable signal, and outputs a gate signal based on the voltage of the first control node or both the voltage of the first control node and the enable signal. The gate signal corresponds to the carry signal under a predetermined condition.

公开(公告)号：US20230329046A1

公开(公告)日：2023-10-12

申请号：US17953366

申请日：2022-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： HAEMIN KIM ,  KYUNGHOON CHUNG ,  MYUNGHOON PARK ,  BYUNGCHANG YU ,  DONG-HOON LEE

IPC: H01L27/32

CPC classification number: H01L27/3272 ,  H01L27/3258 ,  H01L27/3276

Abstract: A display device includes a data line, a first power line, a second power line, a pixel disposed in a display area and connected to the data line, the first power line, and the second power line, a transistor disposed in a non-display area around the display area and connected to the data line and the first power line, and a first light shielding layer extending from a portion of the second power line to the transistor and disposed on the transistor.

公开(公告)号：US20230236686A1

公开(公告)日：2023-07-27

申请号：US18055818

申请日：2022-11-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONG-HOON LEE ,  HAEMIN KIM ,  MYUNGHOON PARK ,  BYUNGCHANG YU ,  KYUNGHOON CHUNG

IPC: G06F3/041 ,  H01L27/32 ,  H01L51/52 ,  G06F3/044 ,  G09G3/32

CPC classification number: G06F3/0412 ,  H01L27/323 ,  H01L27/3262 ,  H01L27/3276 ,  H01L51/5253 ,  G06F3/04162 ,  G06F3/044 ,  G09G3/32 ,  G06F2203/04103 ,  G09G2300/0408 ,  G06F2203/04111 ,  G06F2203/04101 ,  G09G2300/0819

Abstract: A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.

公开(公告)号：US20250053255A1

公开(公告)日：2025-02-13

申请号：US18921960

申请日：2024-10-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： DONG-HOON LEE ,  HAEMIN KIM ,  MYUNGHOON PARK ,  BYUNGCHANG YU ,  KYUNGHOON CHUNG

IPC: G06F3/041 ,  G06F3/044 ,  G09G3/32 ,  H10K50/844 ,  H10K59/121 ,  H10K59/131 ,  H10K59/40

Abstract: A display device includes a display panel and an input sensor. The input sensor may include a first sensing electrode, a signal line electrically connected to a first terminal of the first sensing electrode, a first line at least partially overlapping the first sensing electrode and extending in the same direction as the first sensing electrode in the active area, and a first switching element defining a first current path in the first sensing electrode and the first line or blocking the first current path.

公开(公告)号：US20250006111A1

公开(公告)日：2025-01-02

申请号：US18634919

申请日：2024-04-13

Applicant: Samsung Display Co., LTD. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： BYUNGCHANG YU ,  KYUNGHOON CHUNG ,  Oh-Kyong KWON ,  Youn-Sik KIM ,  Sung-Min WEE

IPC: G09G3/32

Abstract: A display device includes a display panel including a pixel. The pixel includes: a light emitting element; a first capacitor between a first node and a voltage line; a first transistor connected to the first node, the voltage line, and a second node; a second transistor connected between the first node and a third node and for receiving a first scan signal; a third transistor connected between the second node and the third node and for receiving a second scan signal; a second capacitor connected between the third node and a fourth node; a fourth transistor connected between the fourth node and a data line and for receiving a third scan signal; and a fifth transistor connected between the second node and the light emitting element and for receiving a first emission control signal.

公开(公告)号：US20240290265A1

公开(公告)日：2024-08-29

申请号：US18516356

申请日：2023-11-21

Applicant: Samsung Display Co., Ltd.

Inventor： KYUNGHOON CHUNG

IPC: G09G3/3233

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

Abstract: A pixel includes a light emitting element connected between a first power source line, through which a first power source is provided, and a first node, a first transistor including a first electrode electrically connected to the first node, a second electrode electrically connected to a second node, and a gate electrode electrically connected to a third node, a second transistor including a first electrode electrically connected to a data line through which a data signal is provided, a second electrode electrically connected to the third node, and a gate electrode for receiving a scan signal, a third transistor, a fourth transistor, and a first capacitor connected between the second node and the third node.

公开(公告)号：US20220415991A1

公开(公告)日：2022-12-29

申请号：US17747060

申请日：2022-05-18

Applicant: Samsung Display Co., Ltd. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Oh-Kyong KWON ,  MINJAE JEONG ,  KYUNGHOON CHUNG

IPC: H01L27/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel including: a light emitting diode; a first capacitor connected between first and second nodes; a second capacitor connected between the second node and a third node; a first transistor including a first electrode connected to the second node, a second electrode connected to an anode of the light emitting diode, and a gate electrode connected to the first node; a second transistor including a first electrode connected to the third node, a second electrode connected to a reference voltage line, and a gate electrode connected to a first scan line; a third transistor including a first electrode electrically connected to the first node, a second electrode connected to the reference voltage line, and a gate electrode connected to a second scan line; and a fourth transistor including a first electrode connected to a data line, a second electrode connected to the third node, and a gate electrode connected to a third scan line.

公开(公告)号：US20240346997A1

公开(公告)日：2024-10-17

申请号：US18329776

申请日：2023-06-06

Applicant: Samsung Display Co., LTD. ,  Research & Business Foundation SUNGKYUNKWAN UNIVERSITY

Inventor： HAEMIN KIM ,  Yong-Sang Kim ,  KYUNGHOON CHUNG ,  Eun Kyo Jung ,  Hwarim Im

IPC: G09G3/3225

CPC classification number: G09G3/3225 ,  G09G2300/0426 ,  G09G2300/0861 ,  G09G2310/08

Abstract: An emission driver includes stages. At least one of the stages has a carry control node outputting a carry signal and an emission control node outputting an emission signal that are separated. Further, a second low gate voltage may be used that may be lower that a first low gate voltage. Further, transistors between each of the carry and emission control nodes and a second low voltage line transferring the second low gate voltage may have a series two transistor structure. Further, a transistor outputting the second low gate voltage as the carry signal may be repeatedly turned on and off in response to an inverted low clock signal. Accordingly, operation reliability of the emission driver of the display device may be improved.