公开(公告)号：US20240087507A1

公开(公告)日：2024-03-14

申请号：US18508214

申请日：2023-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Jae JEONG ,  Kyung Bae KIM ,  Chong Chul CHAI ,  Kyung Hoon CHUNG

IPC: G09G3/32 ,  H01L25/075 ,  H01L33/36 ,  H01L33/62

CPC classification number: G09G3/32 ,  H01L25/0753 ,  H01L33/36 ,  H01L33/62 ,  G09G2300/0426 ,  G09G2310/0278 ,  H01L2933/0016 ,  H01L2933/0066

Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.

公开(公告)号：US20240046870A1

公开(公告)日：2024-02-08

申请号：US18226912

申请日：2023-07-27

Applicant: Samsung Display Co., LTD.

Inventor： Kyung Hoon CHUNG ,  Byung Chang YU

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2300/0426 ,  G09G2320/0233 ,  G09G2320/045 ,  G09G2310/08

Abstract: A light emitting display device includes: a light emitting element including an anode connected to a first line; a first transistor; a second transistor including a first electrode connected to a data line, and a second electrode connected to a gate electrode of the first transistor; a third transistor including a first electrode connected to the first line, and a second electrode connected to a first electrode of the first transistor; a fourth transistor including a second electrode connected to the gate electrode; a sixth transistor including a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a second line; a first capacitor including a first electrode connected to the gate electrode and a second electrode connected to the second electrode of the first transistor; and a second capacitor including a second electrode connected to the second electrode of the first transistor.

公开(公告)号：US20230200130A1

公开(公告)日：2023-06-22

申请号：US17895426

申请日：2022-08-25

Applicant: Samsung Display Co., LTD.

Inventor： Sun Ho KIM ,  Kyung Hoe LEE ,  Kyung Hoon CHUNG ,  Ji-Sun KIM ,  Yoo Min KO ,  Hye Won KIM ,  Ju Chan PARK ,  Pil Suk LEE ,  Chung Sock CHOI ,  Sung Jin HONG

IPC: H01L27/32

CPC classification number: H01L27/3262 ,  H01L27/3276

Abstract: A display device includes a substrate including a first display area and a second display area; a first pixel circuit part disposed on the first display area of the substrate; a first light-emitting device connected to the first pixel circuit part; a second pixel circuit part disposed on the second display area of the substrate; a second light-emitting device connected to the second pixel circuit part; and a signal transfer wire that overlaps the second light-emitting device. The signal transfer wire includes subwires spaced apart from each other, and a bridge wire extending from the subwires.

公开(公告)号：US20220028333A1

公开(公告)日：2022-01-27

申请号：US17190587

申请日：2021-03-03

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Min Jae JEONG ,  Jun Hyun PARK ,  Hyun Joon KIM ,  Kyung Hoon CHUNG ,  Jang Mi KANG ,  Hae Min KIM

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

Abstract: A pixel including: a light emitting element; a first transistor connected between a first power source and a second node; a first capacitor connected to a first node or a second node and a third node; a second transistor between the third node and a data line, the second transistor turned on by a first scan signal; a third transistor between the first and second nodes, the third transistor turned on by a second scan signal; a fifth transistor between the first power source and the first transistor, the fifth transistor turned on by a first emission control signal; a sixth transistor between the second node and the light emitting element, the sixth transistor turned on by a second emission control signal; and an eighth transistor between the second node and a second emission control line, the eighth transistor turned on by a fourth scan signal.

公开(公告)号：US20200273397A1

公开(公告)日：2020-08-27

申请号：US16737602

申请日：2020-01-08

Applicant: Samsung Display Co., Ltd.

Inventor： Min Jae JEONG ,  Kyung Bae KIM ,  Chong Chul CHAI ,  Kyung Hoon CHUNG

IPC: G09G3/32 ,  H01L33/36 ,  H01L25/075 ,  H01L33/62

Abstract: A display device includes a light-emitting diode including a first conductivity-type semiconductor, an active layer, and a second conductivity-type semiconductor; a first voltage line to which a first voltage is applied; a second voltage line to which a second voltage is applied; a first transistor including a source electrode electrically connected to the first voltage line and a drain electrode electrically connected to a first electrode of the light-emitting diode and to the first conductivity-type semiconductor; a second transistor including a drain electrode electrically connected to a gate electrode of the first transistor and a source electrode electrically connected to a data line to apply a data signal; a capacitor electrically connected to the gate electrode of the first transistor and the first electrode; and a third transistor including a source electrode electrically connected to the second voltage line and a drain electrode electrically connected to the first electrode.

公开(公告)号：US20180014399A1

公开(公告)日：2018-01-11

申请号：US15644471

申请日：2017-07-07

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Hoon CHUNG ,  Chul Kyu KANG

IPC: H05K1/02 ,  H05K3/30 ,  H05K5/00 ,  G09F9/30

CPC classification number: H05K1/028 ,  G02F1/13 ,  G09F9/301 ,  H05K1/189 ,  H05K3/30 ,  H05K5/0017 ,  H05K2201/055 ,  H05K2201/09272 ,  H05K2201/10106 ,  H05K2201/10136

Abstract: A display device includes: a flexible substrate including a display unit and a plurality of peripheral units which surrounds the display unit and are bent to overlap a part of the display unit; a display member positioned at the display unit and which displays an image; and a signal line positioned at the plurality of peripheral units, where the plurality of peripheral units is bent in a way such that parts of the signal line, which are respectively positioned at adjacent peripheral units, are in contact with each other.

公开(公告)号：US20240282262A1

公开(公告)日：2024-08-22

申请号：US18637666

申请日：2024-04-17

Applicant: Samsung Display Co., Ltd.

Inventor： Kyung Hoon CHUNG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0286 ,  G09G2310/08 ,  G09G2320/0233 ,  G09G2330/021

Abstract: A pixel circuit includes: a light emitting element having one end connected to a first power line supplying a first power voltage; a driving transistor for controlling an amount of current flowing to a second power voltage via the light emitting element electrically connected to a first electrode the driving transistor; an initialization transistor connected between a second electrode of the driving transistor and an initialization power line supplying an initialization voltage, the initialization transistor having a gate electrode connected to a first scan line; a compensation transistor connected between the first power line and the first electrode of the driving transistor, the compensation transistor having a gate electrode connected to a second scan line; and a storage capacitor connected between a gate electrode of the driving transistor and the second electrode of the driving transistor.

公开(公告)号：US20240120345A1

公开(公告)日：2024-04-11

申请号：US18363937

申请日：2023-08-02

Applicant: Samsung Display Co., LTD.

Inventor： Hae Min KIM ,  Young Wan SEO ,  Geun Ho LEE ,  Kyung Hoon CHUNG

IPC: H01L27/12 ,  G01R31/28 ,  H01L25/16

CPC classification number: H01L27/124 ,  G01R31/2884 ,  H01L25/167

Abstract: A display device comprises a display area comprising a plurality of pixels, and a data line and a gate line electrically connected to the plurality of pixels, a non-display area disposed adjacent to the display area, a plurality of pads disposed on a side of the non-display area, a gate control line electrically connected to at least one of the plurality of pads and that supplies a gate control signal, a driving voltage line electrically connected to at least one of the plurality of pads and that supplies a driving voltage, an antistatic circuit electrically connected to the gate control line, a scan driver that generates a gate signal based on a gate control signal received from the gate control line and that supplies the gate signal to the gate line, and a shielding layer integral to the driving voltage line to overlap the top of the antistatic circuit.

公开(公告)号：US20220058362A1

公开(公告)日：2022-02-24

申请号：US17336995

申请日：2021-06-02

Applicant: Samsung Display Co., Ltd.

Inventor： Sun Hwa LEE ,  Mu Kyung JEON ,  Kyung Hoon CHUNG

IPC: G06K9/00 ,  H01L27/146 ,  H01L31/12 ,  G06K9/20

Abstract: A fingerprint sensor includes four transistors and a photodetector. The first transistor connects a second node with a third node based on a voltage of a first node, where the first node corresponding to a first electrode of the photodetector. The second transistor connects the second node with a read-out line based on a scan signal. The third transistor supplies a reset voltage to the first node based on a first reset signal. The fourth transistor connects the first node with the second node based on a second reset signal.

公开(公告)号：US20210343761A1

公开(公告)日：2021-11-04

申请号：US17379917

申请日：2021-07-19

Applicant: Samsung Display Co., Ltd.

Inventor： Hyun Joon KIM ,  Kyung Bae KIM ,  Kyung Hoon CHUNG ,  Mee Hye JUNG

IPC: H01L27/12 ,  H01L33/38 ,  H01L25/075 ,  H01L25/16

Abstract: A method of manufacturing a display device, the method including providing a substrate, forming a first electrode, a second electrode spaced from the first electrode and in a same plane as the first electrode, a first alignment line connected to the first electrode, and a second alignment line connected to the second electrode on the substrate, self-aligning the plurality of light emitting elements by providing a solution containing a plurality of light emitting elements on the substrate, removing the first alignment line and the second alignment line from the substrate on which the plurality of light emitting elements are self-aligned, forming a first contact electrode electrically connecting one end of each light emitting element to the first electrode, and forming a second contact electrode electrically connecting an other end of each light emitting element to the second electrode.