公开(公告)号：US20210366888A1

公开(公告)日：2021-11-25

申请号：US17243125

申请日：2021-04-28

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Bae KIM ,  Min Kyu WOO ,  Do Yeong PARK ,  Mee Hye JUNG ,  Chong Chul CHAI

IPC: H01L25/16 ,  H01L33/62 ,  H01L33/38 ,  H01L27/12

Abstract: A display device includes a conductive layer including a first voltage line and a second voltage line extending in a first direction; an interlayer insulating layer on the conductive layer and including a plurality of contact holes that expose parts of the conductive layer; a plurality of first-type electrodes on the interlayer insulating layer and electrically connected to the conductive layer through the plurality of contact holes, a plurality of second-type electrodes on the interlayer insulating layer and extending in the first direction, a plurality of light-emitting elements on pairs of the first-type and the second-type electrodes that are spaced from each other in the second direction; first-type contact electrodes on the first-type electrodes and in contact with the light-emitting elements; and second-type contact electrodes on the second-type electrodes and in contact with the light-emitting elements, each of the second-type contact electrodes includes contact electrode extensions on the second-type electrodes.

公开(公告)号：US20200273402A1

公开(公告)日：2020-08-27

申请号：US16597771

申请日：2019-10-09

Applicant: Samsung Display Co., Ltd.

Inventor： Young Wan SEO ,  Min Kyu WOO ,  Cheol Gon LEE ,  Mee Hye JUNG

IPC: G09G3/3233

Abstract: A display device includes a plurality of pixels, each of the pixels including an organic light emitting diode and a plurality of transistors configured to control a current applied to the organic light emitting diode, wherein an aging frame includes an aging period in which at least one of the plurality of transistors is aged, wherein at least one of the plurality of transistors is in a turn-off state in the aging period, and wherein a potential difference between one electrode and an other electrode of a transistor of the plurality of transistors is equal to or greater than a reference potential difference, the reference potential difference being a difference value between a high level and a low level of a first power source voltage.

公开(公告)号：US20180197481A1

公开(公告)日：2018-07-12

申请号：US15864914

申请日：2018-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Moo CHOI ,  Min Woo BYUN ,  Chae Han HYUN ,  Min Kyu WOO ,  Jae Du NOH ,  Jae Sic LEE ,  Seung Yeon CHO

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0205 ,  G09G2310/0218 ,  G09G2310/0232 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/08 ,  G09G2340/04 ,  G09G2340/0442

Abstract: A display device includes first pixels in a first pixel area, a first scan driver configured to supply first scan signals to first scan lines, second pixels in a second pixel area, a second scan driver configured to supply second scan signals to second scan lines, third pixels in a third pixel area, a third scan driver configured to supply third scan signals to third scan lines, and a timing controller configured to supply a first start signal to the first scan driver, a second start signal to the second scan driver, and a third start signal to the third scan driver, wherein an order in which the first, second, and third start signal are supplied in a first mode, and an order in which the first, second, and third start signal are supplied in a second mode that is different from the first mode, are different from each other.

公开(公告)号：US20240257723A1

公开(公告)日：2024-08-01

申请号：US18506942

申请日：2023-11-10

Applicant: c/o Samsung Display Co., LTD.

Inventor： Hyun Joon KIM ,  Min Kyu WOO ,  Bon Yong KOO ,  Min Jae JEONG ,  Seon Young CHOI

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/06 ,  G09G2310/061 ,  G09G2310/08

Abstract: A pixel circuit including a constant current driver including a first driving transistor for controlling a current through a light-emitting element, a first electrode thereof being connected to a first power source, and a second electrode thereof being connected to an anode electrode of the light-emitting element, and an emission time controller including a second driving transistor between a second power source and the constant current driver, and configured to control the emission time by turning off the first driving transistor after a time at which a Pulse Width Modulation data voltage corresponding to an input image is applied to a gate electrode of the second driving transistor, and based on a magnitude of the PWM data voltage, wherein the second driving transistor is turned on based on the magnitude of the PWM data voltage, to transfer a driving voltage from the second power source to the constant current driver.

公开(公告)号：US20230299121A1

公开(公告)日：2023-09-21

申请号：US18041396

申请日：2021-07-28

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Do Yeong PARK ,  Min Kyu WOO ,  Kyung Bae KIM

IPC: H01L27/15 ,  H01L33/24

CPC classification number: H01L27/156 ,  H01L33/24

Abstract: A display device is provided. The display device comprises: a first electrode and a second electrode that are spaced from each other in a first direction; a plurality of light-emitting elements arranged between the first electrode and the second electrode; a pixel circuit including a capacitor that includes first to third capacitor electrodes stacked in order; an interlayer insulation layer arranged between the second capacitor electrode and the third capacitor electrode; a first area overlapping on the first capacitor electrode; and a second area that excludes the first area, wherein the interlayer insulation layer of the first area is thinner than the interlayer insulation layer in the second area.

公开(公告)号：US20230120255A1

公开(公告)日：2023-04-20

申请号：US17832066

申请日：2022-06-03

Applicant: Samsung Display Co., LTD.

Inventor： Min Kyu WOO

IPC: H01L25/16 ,  H01L33/62 ,  H01L23/00

Abstract: A display device includes a first electrode, second electrodes, light emitting elements, a bank layer, and connection electrodes. Each of the second electrodes comprises an electrode stem part overlapping the bank layer and electrode branch parts branching from the electrode stem part and disposed partially in an emission area, and the connection electrodes comprise a first connection electrode disposed on the first electrode, overlapping an upper bank part of the bank layer and having a part disposed in a first sub-area, a second connection electrode disposed on a first electrode branch part of one of the second electrodes, overlapping a lower bank part of the bank layer and having a part disposed in a second sub-area, and a third connection electrode disposed on second electrode branch parts of different second electrodes of the second electrodes and on the first electrode and surrounding a part of the first connection electrode.

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：US20210383739A1

公开(公告)日：2021-12-09

申请号：US17409744

申请日：2021-08-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Jae Sic LEE ,  Min Woo BYUN ,  Jae Du NOH ,  Min Kyu WOO ,  Seung Yeon CHO

IPC: G09G3/20 ,  G09G3/3266

Abstract: A display device includes a pixel unit including first pixels in a first pixel area, second pixels in a second pixel area, and third pixels in a third pixel area; a first scan driver including first multiplexers configured to operate in response to a first mode and a second mode different from the first mode, and to supply first scan signals to first scan lines connected to the first pixels; a second scan driver configured to supply second scan signals to second scan lines connected to the second pixels; and a third scan driver including second multiplexers configured to operate in response to the first mode and the second mode, and to supply third scan signals to third scan lines connected to the third pixels.

公开(公告)号：US20210343240A1

公开(公告)日：2021-11-04

申请号：US17142530

申请日：2021-01-06

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Kyu WOO ,  Hyun Joon KIM

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

Abstract: A display device including: a pixel connected to first, second and third scan lines, a data line, and an emission line, the pixel including: an LED; a first transistor including a first electrode connected to a first node, a second electrode connected to a second node, and a gate electrode connected to a third node; a second transistor connected between the data line and the first node and including a gate electrode connected to the first scan line; a third transistor connected between the second node and the third node and including a gate electrode connected to the second scan line; a fourth transistor connected between the second node and a power source and including a gate electrode connected to the third scan line; and a fifth transistor connected between the second node and an anode of the LED and including a gate electrode connected to the second scan line.

公开(公告)号：US20210327341A1

公开(公告)日：2021-10-21

申请号：US17148369

申请日：2021-01-13

Applicant: Samsung Display Co., Ltd.

Inventor： Dong Woo KIM ,  Min Kyu WOO

IPC: G09G3/32 ,  H01L27/12 ,  H01L29/786

Abstract: A display device including: a first power line; a second power line; a data line; a first scan line; a second scan line; a light emitting element connected between the first power line and a first node; a first transistor connected between the first node and the second power line and including a gate electrode connected to a second node; a second transistor connected between the data line and the second node and including a gate electrode connected to the first scan line; and a fourth transistor connected between the first power line and the first node and including a gate electrode connected to the second scan line.