公开(公告)号：US20240013722A1

公开(公告)日：2024-01-11

申请号：US18473549

申请日：2023-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3258

CPC classification number: G09G3/3258 ,  G09G2320/0233 ,  G09G2310/08 ,  G09G2310/0262

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20230216008A1

公开(公告)日：2023-07-06

申请号：US18058151

申请日：2022-11-22

Applicant: Samsung Display Co., LTD.

Inventor： Sun Kwun SON ,  Dong Hee SHIN ,  Na Hyeon CHA ,  Chong Chul CHAI

IPC: H01L33/62 ,  H01L25/075 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/382

Abstract: A display device includes a display area including first to third areas, first and second signal lines in the display area, pixels connected to the first and second signal lines, a first pad area at one side of the second area, first lines in the second area and connected from the second area to the first pad area, and bridges in the display area and connecting second signal lines in the first area to the first lines. The first area may include first pixel columns including different second signal lines in the first area. The second area may include second pixel columns including different second signal lines in the second area and different first lines. Each of the second pixel columns may include a number of the first lines corresponding to a ratio of a number of the first pixel columns to a number of the second pixel columns.

公开(公告)号：US20230207770A1

公开(公告)日：2023-06-29

申请号：US18178025

申请日：2023-03-03

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Ji Eun LEE ,  Chong Chul CHAI

IPC: H01L33/62 ,  H01L25/075 ,  H01L25/16

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L25/167

Abstract: A display device includes: a substrate including first areas and second areas alternately arranged in a first direction in a plane view; a first electrode and a second electrode on the substrate and spaced apart from each other in a second direction crossing the first direction; a first insulation layer on the substrate and covering the first electrode and the second electrode; and a light emitting element on the first insulation layer and electrically connected to the first electrode and the second electrode, the first insulation layer having a first thickness in the first area and a second thickness thicker than the first thickness in the second area, and the light emitting element being located in the first area.

公开(公告)号：US20230006116A1

公开(公告)日：2023-01-05

申请号：US17739325

申请日：2022-05-09

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  Chong Chul CHAI

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/38

Abstract: A display device includes pixels, each of the pixels including light emitting parts disposed in a first direction; pixel circuits including storage capacitors disposed in a second direction intersecting the first direction; a scan line extending in the first direction between the storage capacitors; a sub-scan line electrically connected to the scan line and extending in the second direction; and connection lines that electrically connect the light emitting parts and the pixel circuits and do not overlap the sub-scan line in a plan view.

公开(公告)号：US20220344316A1

公开(公告)日：2022-10-27

申请号：US17862320

申请日：2022-07-11

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Kyu WOO ,  Kyung Bae KIM ,  Jin Yeong KIM ,  Chong Chul CHAI

IPC: H01L25/16 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes a substrate. A first electrode, a second electrode, and a third electrode are on the substrate, and are sequentially arranged along a first direction. A first light emitting element is located between the first electrode and the second electrode. A second light emitting element is located between the second electrode and the third electrode. A first contact electrode overlaps the first electrode and one end of the first light emitting element, and is in contact with the first electrode and the one end of the first light emitting element. A second contact electrode overlaps and is in contact with the other end of the first light emitting element. A third contact electrode overlaps and is in contact with the second electrode and the other end of the second light emitting element. The second contact electrode extends while detouring the third contact electrode.

公开(公告)号：US20220254816A1

公开(公告)日：2022-08-11

申请号：US17555120

申请日：2021-12-17

Applicant: Samsung Display Co., LTD.

Inventor： Do Yeong PARK ,  No Kyung PARK ,  Chong Chul CHAI

IPC: H01L27/12 ,  H01L25/16 ,  H01L27/02

Abstract: A display device includes a substrate including a display area and a non-display area adjacent to the display area, a plurality of pixels being located in the display area, a driver located in the non-display area, a data line electrically connected to the driver to transmit a data signal to each of the plurality of pixels, a first driving voltage line and a second driving voltage line in the non-display area, and an antistatic portion in the non-display area and connected between the data line and the first driving voltage line. The display area further includes at least one first area electrically connected to one side of the driver and at least one second area electrically connected to another side of the driver. In addition, the non-display area includes a first non-display area corresponding to the first area and a second non-display area corresponding to the second area.

公开(公告)号：US20220199683A1

公开(公告)日：2022-06-23

申请号：US17688831

申请日：2022-03-07

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Yu Jin LEE ,  Kyung Bae KIM ,  Ji Hye LEE ,  Chong Chul CHAI

IPC: H01L27/15 ,  H01L33/38 ,  H01L33/62

Abstract: A display device is provided. The display device includes a first electrode including a first electrode surface extending in a first direction and a second electrode surface connected to one end of the first electrode surface and extending in a second direction that is different from the first direction, a second electrode including a third electrode surface extending in the first direction and spaced apart from the first electrode surface and facing the first electrode surface, and a fourth electrode surface extending in the second direction and spaced apart from the second electrode surface and facing the second electrode surface, and at least one light emitting element between the first electrode and the second electrode and including a first light emitting element between the first electrode surface and the third electrode surface and a second light emitting element between the second electrode surface and the fourth electrode surface.

公开(公告)号：US20210264856A1

公开(公告)日：2021-08-26

申请号：US17318564

申请日：2021-05-12

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Dong Woo KIM ,  Kyoung Ju SHIN ,  Bo Yong CHUNG

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/3258

Abstract: A pixel includes a plurality of transistors, a storage capacitor, and an organic light emitting diode. A first transistor controls the amount of current from a first driving power source to the organic light emitting diode based on a data voltage. A second transistor is connected to a data line and is turned on based on a scan signal. A third transistor coupled to the first transistor and is turned on based on the scan signal. A first stabilizing transistor is coupled to the third transistor or between the first and third transistors and is turned off when the third transistor is turned off.

公开(公告)号：US20210231993A1

公开(公告)日：2021-07-29

申请号：US17231492

申请日：2021-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JUN KI JEONG ,  Hyun Joon KIM ,  Kyung Bae KIM ,  Kyung Hoon CHUNG ,  Chong Chul CHAI

IPC: G02F1/1333 ,  F21V8/00 ,  G09G3/20

Abstract: A tiled display device includes an array of a plurality of display panels. Each of the plurality of display panels includes a plurality of pixels constituting a plurality of pixel rows and a plurality of pixel columns, a data distributor disposed between a first pixel of a first pixel row among the plurality of pixel rows and a second pixel of the first pixel row adjacent to the first pixel in a first direction, and a scan driver disposed between the second pixel and a third pixel adjacent to the second pixel in the first direction.

公开(公告)号：US20210027701A1

公开(公告)日：2021-01-28

申请号：US16852630

申请日：2020-04-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jun Hyun PARK ,  Bon Yong KOO ,  Yu Jin LEE ,  Kyung Hoon CHUNG ,  Chong Chul CHAI

IPC: G09G3/325 ,  G09G3/3291 ,  G09G3/36

Abstract: A pixel including: a light-emitting element; a first transistor including a first electrode coupled to a power source and a second electrode coupled to the light-emitting element; a first capacitor between a second and a third node; a second transistor between the third node and a data line and turned on by a scan signal; a third transistor between a first node and the second node and turned on by a first control signal; a fourth transistor between the power source and the third node and turned on by a second control signal; a fifth transistor between the power source and the first electrode of the first transistor and turned on by an emission control signal; a sixth transistor between the second node and the light-emitting element and turned on by a previous emission control signal; and a second capacitor between the power source and the first node.