公开(公告)号：US20230317492A1

公开(公告)日：2023-10-05

申请号：US18104453

申请日：2023-02-01

Applicant: Samsung Display Co., Ltd.

Inventor： EUIGYU KIM ,  SANG MIN YI ,  JUNHYEUK KO ,  JONGBUM KIM ,  JAESUK MOON ,  HONG-KYUN AHN ,  KYUNGHOON CHUNG

IPC: H01L21/683

CPC classification number: H01L21/6833

Abstract: Disclosed is a deposition mask stage comprising a stage frame, chucks combined with the stage frame, and support blocks on a back side of the stage frame. The chucks are spaced apart from each other in a first direction and a second direction that are defined in an extending direction of the stage frame. The first and second directions intersect each other. The support blocks are spaced apart from each other in the first direction and the second direction on the back side of the stage frame.

公开(公告)号：US20230306898A1

公开(公告)日：2023-09-28

申请号：US18101018

申请日：2023-01-24

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2330/06

Abstract: A display device includes: a plurality of gate lines in a display area and extending in a first direction; a scan driver in a non-display area surrounding the display area, connecting the gate lines, extending in a second direction crossing the first direction, and having a first length in the second direction; and an antistatic pattern in the non-display area, extending in the second direction, and having a second length greater than the first length in the second direction.

公开(公告)号：US20250006110A1

公开(公告)日：2025-01-02

申请号：US18632430

申请日：2024-04-11

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 connected to a first node, a second capacitor connected between a second node and a voltage line, a first transistor connected to the first node, the second node, and a third node, a second transistor connected between the third node and the first node, a third transistor connected between the second node and a data line, a fourth transistor connected between the second node and the voltage line, a fifth transistor connected between the third node and the light emitting element, and a sixth transistor connected between the light emitting element and a reference voltage line.

公开(公告)号：US20240099080A1

公开(公告)日：2024-03-21

申请号：US18347014

申请日：2023-07-05

Applicant: Samsung Display Co., Ltd.

Inventor： HAEMIN KIM ,  YOUNGWAN SEO ,  GEUNHO LEE ,  KYUNGHOON CHUNG

IPC: H10K59/124 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/131

Abstract: A display device includes a base layer, a first conductive layer disposed on the base layer, an inorganic layer disposed on the first conductive layer, a first semiconductor layer including an oxide semiconductor and disposed on the inorganic layer, and a first insulation layer disposed on the first semiconductor layer, a second semiconductor layer including an oxide semiconductor, and disposed on the first insulation layer, wherein the first conductive layer is a first electrode of a first capacitor, the first semiconductor layer is a second electrode of the first capacitor and a first electrode of a second capacitor, and the second semiconductor layer is a second electrode of the second capacitor.

公开(公告)号：US20240054960A1

公开(公告)日：2024-02-15

申请号：US18339558

申请日：2023-06-22

Applicant: Samsung Display Co., Ltd.

Inventor： HAEMIN KIM ,  YOUNGWAN SEO ,  BYUNGCHANG YU ,  GEUNHO LEE ,  KYUNGHOON CHUNG

IPC: G09G3/3266

CPC classification number: G09G3/3266

Abstract: A display panel includes a scan driving circuit. The scan driving circuit includes a first transistor that outputs a high-voltage of a scan signal during a turn-on period. The first transistor includes a first semiconductor pattern layer including a first input region, a first output region, and a first channel region, a first gate electrode overlapping the first channel region, a second semiconductor pattern layer including a second input region electrically connected to the first input region, a second output region electrically connected to the first output region, and a second channel region overlapping the first channel region, and a second gate electrode overlapping the second channel region, and electrically connected to the first gate electrode.

公开(公告)号：US20240038145A1

公开(公告)日：2024-02-01

申请号：US18203158

申请日：2023-05-30

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

Inventor： BYUNGCHANG YU ,  Oh-Kyong KWON ,  KYUNGHOON CHUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0247

Abstract: A display device includes a pixel. The pixel includes a light-emitting element, a first capacitor, and first to fifth transistors. The first transistor is connected between a first voltage line receiving a first driving voltage and the light-emitting element, and operates in response to a potential of a first node, and the second transistor is connected between a data line and the first node, and receives a first scan signal. The first capacitor is connected between the first node and a second node, and the third transistor is connected between the first transistor and the first node, and receives a second scan signal. The fourth transistor is connected between a reference voltage line and the first node, and receives a third scan signal, and the fifth transistor is connected between the first transistor and the second node, and receives an emission control signal.

公开(公告)号：US20240021144A1

公开(公告)日：2024-01-18

申请号：US18139113

申请日：2023-04-25

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

Inventor： BYUNGCHANG YU ,  Oh-Kyong KWON ,  KYUNGHOON CHUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2330/028 ,  G09G2320/0247

Abstract: A display device includes: a pixel including a light emitting element, a first capacitor connected between a first node and a second node, and a second capacitor connected between the second node and a third node. The pixel further includes: a first transistor connected between the second node and the light emitting element to operate depending on potential of the first node; a second transistor connected between the third node and a data line to operate depending on a first scan signal; a third transistor connected between the third node and the second transistor to operate depending on a light emitting control signal; a fourth transistor connected between a reference voltage line and a first node to operate depending on the second scan signal; and a fifth transistor connected between the reference voltage line and the third node to operate depending on a third scan signal.

公开(公告)号：US20210320164A1

公开(公告)日：2021-10-14

申请号：US17152934

申请日：2021-01-20

Applicant: Samsung Display Co., Ltd.

Inventor： SUNHWA LEE ,  MUKYUNG JEON ,  Hyeongseok KIM ,  GyungSoon PARK ,  Youngwan SEO ,  KYUNGHOON CHUNG

IPC: H01L27/32 ,  G09G3/3258

Abstract: A display panel includes a first display area having a first light transmittance and a second display area having a second light transmittance that is higher than the first light transmittance. The display panel further comprises a plurality of first pixels disposed in the first display area and a plurality of second pixels disposed in the second display area. A first power line is connected to the plurality of first pixels. The first power line is configured to provide a first power voltage. A second power line is connected to the plurality of second pixels. The second power line is configured to provide a second power voltage having a voltage level that is different from a voltage level of the first power voltage.