公开(公告)号：US11721269B2

公开(公告)日：2023-08-08

申请号：US17575548

申请日：2022-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Wan Kim ,  Su Jin Lee ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Hyung Jun Park ,  Jae Yong Lee ,  Yu Jin Jeon

IPC: G09G3/20 ,  G09G3/22 ,  H01L27/32 ,  G09G3/3233

CPC classification number: G09G3/2092 ,  G09G3/22 ,  G09G3/3233 ,  H01L27/3223 ,  H01L27/3279 ,  G09G2300/0408 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2300/08 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2300/0866 ,  G09G2310/0232 ,  G09G2310/0251 ,  G09G2310/0262 ,  G09G2310/0267 ,  G09G2320/0223

Abstract: A display device includes: a substrate including a first pixel area, a second pixel area having a smaller area than the first pixel area and connected to the first pixel area, and a peripheral area surrounding the first pixel area and the second pixel area; a first pixel provided in the first pixel area and a second pixel provided in the second pixel area; a first line connected to the first pixel and a second line connected to the second pixel; a dummy part disposed in the peripheral area, overlapping at least one of the first line and the second line and providing a parasitic capacitance that compensates for a difference in a load value between the first line and the second line; and a power supply line provided in the first and second pixel areas. The dummy part includes an insulating layer having at least one contact hole.

公开(公告)号：US11694614B2

公开(公告)日：2023-07-04

申请号：US17472820

申请日：2021-09-13

Applicant: Samsung Display Co., Ltd.

Inventor： Yang Wan Kim ,  Su Jin Lee ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Hyung Jun Park ,  Jae Yong Lee ,  Yu Jin Jeon

IPC: G09G3/30 ,  G09G3/3208 ,  H01L27/32 ,  H01L29/40 ,  H01L51/52 ,  G09G3/3233

CPC classification number: G09G3/3208 ,  G09G3/3233 ,  H01L27/326 ,  H01L27/3223 ,  H01L27/3276 ,  H01L27/3288 ,  H01L29/40 ,  H01L51/5203 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/06 ,  G09G2300/0814 ,  G09G2320/0223 ,  G09G2320/0233

Abstract: A display device includes: a substrate including a first pixel region, at least one second pixel region having a smaller area than the first pixel region, the at least one second pixel region being disposed adjacent to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region; first and second pixels respectively provided in the first and second pixel regions; first and second lines respectively connected to the first and second pixels; a dummy line connected to one of the first and second lines to extend to the peripheral region; and a first dummy part including a dummy pixel connected to the dummy line in the peripheral region.

公开(公告)号：US11600228B2

公开(公告)日：2023-03-07

申请号：US17671859

申请日：2022-02-15

Applicant: Samsung Display Co., LTD.

Inventor： Ji Su Na ,  Yang Wan Kim ,  Jung Hun Yi ,  Min Woo Byun

IPC: G09G3/3233 ,  G09G3/3266

Abstract: A display device includes pixels electrically connected to first scan lines, second scan lines, and emission lines, a first scan driver that applies first scan signals to the first scan lines, a second scan driver that applies second scan signals to the second scan lines, an emission control driver that applies emission signals to the emission lines, and a power supply that generates and outputs a first high voltage and a second high voltage. The second scan driver receives the first high voltage. The first scan driver and the emission control driver share the second high voltage.

公开(公告)号：US20230032883A1

公开(公告)日：2023-02-02

申请号：US17860110

申请日：2022-07-08

Applicant: Samsung Display Co., LTD.

Inventor： Kyoung Jin PARK ,  Yang Wan Kim

IPC: G09G3/3266 ,  G09G3/3275

Abstract: A display device includes a pixel having a first transistor connected between first and second nodes to generate a driving current; an emission driver that supplies an emission control signal including an off-duty corresponding to first and second gate-off periods to an emission control line during a frame period; a scan driver that supplies first to fourth scan signals to the first to fourth scan lines in a first non-emission period, respectively, and that supplies the first scan signal to the first scan line in a second non-emission period; a data driver that supplies a data signal to the data line; and a controller adjusting the off-duty of the emission control signal that is a width of each of the first and second non-emission periods in response to a dimming signal, and that controls a timing at which the first scan signal is supplied in the second non-emission period.

公开(公告)号：US20230031335A1

公开(公告)日：2023-02-02

申请号：US17966966

申请日：2022-10-17

Applicant: Samsung Display Co., Ltd.

Inventor： Ki Wook Kim ,  Kwang Min Kim ,  Yang Wan Kim ,  Ji Su Na ,  Min Woo Byun

IPC: G09G3/3233 ,  H01L27/32 ,  H01L27/12 ,  G09G3/3208 ,  G09G3/3266 ,  G09G3/3275

Abstract: Provided are a display device. The display device comprises: a display unit defined by a display area and a non-display area located outside the display area, and including pixels arranged in the display area, first sensing wirings electrically connected to the pixels, and auxiliary voltage wirings electrically separated from the pixels; and a sensing unit electrically connected to the first sensing wirings, wherein the first sensing wirings and the auxiliary voltage wirings extend in a first direction and are sequentially arranged along a second direction perpendicular to the first direction at first intervals, the first sensing wirings are spaced apart from each other along the second direction at second intervals greater than the first intervals and are electrically separated from each other, and the auxiliary voltage wirings are electrically connected to each other.

公开(公告)号：US11475836B2

公开(公告)日：2022-10-18

申请号：US17228812

申请日：2021-04-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Sun Ja Kwon ,  Byung Sun Kim ,  Hyun Ae Park ,  Hyung Jun Park ,  Su Jin Lee ,  Jae Yong Lee ,  Yu Jin Jeon

IPC: G06F3/038 ,  G09G3/3233

Abstract: A display device includes a first pixel area having first pixels and a second pixel area having second pixels. Each first pixel includes a driving transistor initialized to a voltage of a first initialization power supply. Each second pixel includes a driving transistor initialized to a voltage of a second initialization power supply. The first initialization power supply and the second initialization power supply are set to different voltages. The first pixel area and the second pixel area have different widths.

公开(公告)号：US11348521B2

公开(公告)日：2022-05-31

申请号：US17124356

申请日：2020-12-16

Applicant: Samsung Display Co., Ltd.

Inventor： Young Jin Cho ,  Ji Su Na ,  Yang Wan Kim

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: A display device includes a plurality of pixels. A pixel includes an organic light emitting diode and a pixel circuit including a first transistor that includes a gate electrode connected with a first node, a first electrode connected with a second node, and a second electrode connected with a third node; a second transistor that includes a gate electrode connected with a first gate line, a first electrode connected with a data line, and a second electrode connected with the second node; a third transistor that includes a gate electrode connected with a third gate line, a first electrode connected with the third node, and a second electrode connected with the first node; and a fourth transistor that includes a gate electrode connected with a second gate line, a first electrode connected with the third gate line, and a second electrode connected with the first node.

公开(公告)号：US11335713B2

公开(公告)日：2022-05-17

申请号：US16794981

申请日：2020-02-19

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Young Jin Cho ,  Joong-Soo Moon ,  Min Woo Byun ,  Yang Wan Kim

IPC: H01L27/12 ,  H01L29/786 ,  H01L27/32 ,  H05K1/14 ,  G09G3/3258 ,  G09G3/3275

Abstract: A display device includes a substrate including a display area and a non-display area, a reference voltage supply line disposed in the non-display area and transmitting a reference voltage, and a driving voltage supply line disposed in the non-display area and transmitting a driving voltage. The reference voltage supply line includes a straight line part extending in a first direction and a curved line part extending from the straight line part to be bent, and the curved line part of the reference voltage supply line is disposed along a periphery of the display area.

公开(公告)号：US11271068B2

公开(公告)日：2022-03-08

申请号：US16805635

申请日：2020-02-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Hyung Jun Park ,  Jae Yong Lee ,  Byung Sun Kim ,  Su Jin Lee

IPC: H01L27/32 ,  G09G3/32 ,  H01L27/12 ,  H01L51/52 ,  H01L51/00 ,  H01L35/24 ,  H01L29/08

Abstract: A display device includes a substrate including a first pixel region, a second pixel region connected to the first pixel region and having a smaller area than the first pixel region, and a peripheral region surrounding the first and second pixel regions, a first pixel in the first pixel region, a second pixel in the second pixel region, a first line connected to the first pixel, a second line connected to the second pixel, an extending line extending to the peripheral region and connected to any one of the first and second lines, a dummy part overlapping with the extending line for compensating a difference between load values of the first and second lines, a first power line in the peripheral region, and a conductive pattern overlapping with at least one region of the dummy part, and electrically connected to the first power line.

公开(公告)号：US11205386B2

公开(公告)日：2021-12-21

申请号：US16708396

申请日：2019-12-09

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yang Wan Kim ,  Jae Yong Lee ,  Sun Ja Kwon ,  Hyun Ae Park ,  Byung Sun Kim ,  Su Jin Lee ,  Hyung Jun Park ,  Yu Jin Jeon

IPC: G09G3/30 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/3258 ,  H01L27/32

Abstract: A display device includes a substrate having a first pixel region, a second pixel region having a smaller area than the first pixel region, the second pixel region being connected to the first pixel region, and a peripheral region surrounding the first pixel region and the second pixel region, a first pixel and a second pixel respectively at the first and second pixel regions, a first line connected to the first pixel and a second line connected to the second pixel, and a dummy unit in the peripheral region, the dummy unit overlapping with at least one of the first and second lines, the dummy unit being configured to compensate for a difference between a load value of the first line and a load value of the second line, wherein the dummy unit includes at least two sub-dummy units spaced from each other.