公开(公告)号：US20240386850A1

公开(公告)日：2024-11-21

申请号：US18785980

申请日：2024-07-26

Applicant: Samsung Display Co., LTD.

Inventor： Jang Mi KANG ,  Jun Hyun PARK ,  Min Jae JEONG

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/126 ,  H10K59/131

Abstract: A pixel of display device includes a light emitting element, a first transistor coupled between first power source and a second node and having a gate electrode connected to a first node N1, and the first transistor being configured to control a driving current supplied to the light emitting element in response to a voltage of the first node, a first capacitor including one electrode connected to the first node and another electrode connected to a third node, a second transistor coupled between the third node and a data line, a third transistor coupled between the first node and the second node, a fourth transistor coupled between the first node and an initialization power source, a fifth transistor coupled between a reference power source and the third node, and an eighth transistor coupled between a fourth node and an anode initialization power source.

公开(公告)号：US20240381723A1

公开(公告)日：2024-11-14

申请号：US18780398

申请日：2024-07-22

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/131 ,  G09G3/3233 ,  H10K50/813 ,  H10K59/122 ,  H10K59/35

Abstract: A light emitting diode display device includes: a pixel circuit; a data line connected to the pixel circuit to transmit a data voltage; an anode on the pixel circuit and the data line; an emission layer on the anode; and a cathode on the emission layer. The anode includes a first anode and a second anode, and the data line extends across the first anode and the second anode.

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：US20240013711A1

公开(公告)日：2024-01-11

申请号：US18372466

申请日：2023-09-25

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Jang Mi KANG ,  Min Jae JEONG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0257 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2300/0842

Abstract: A pixel may include: a light emitting element; a first transistor connected between a first node electrically connected to a first driving power source and a second node electrically connected to an anode electrode of the light emitting element, the first transistor to control a driving current; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node connected to a gate of the first transistor; a fourth transistor connected between the third node and a first initialization power source; a fifth transistor connected between a second initialization power source and the anode electrode of the light emitting element, the fifth transistor being turned on by a scan signal provided to a scan line; and a boosting capacitor connected between the scan line and the third node.

公开(公告)号：US20230178006A1

公开(公告)日：2023-06-08

申请号：US18103356

申请日：2023-01-30

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Jang Mi KANG ,  Min Jae JEONG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2320/0257 ,  G09G2310/0267 ,  G09G2310/061 ,  G09G2300/0842

Abstract: A pixel includes: a light emitting element; a first transistor connected between a first node electrically connected to a first driving power source and a second node electrically connected to an anode electrode of the light emitting element, the first transistor to control a driving current; a second transistor connected between a data line and the first node; a third transistor connected between the second node and a third node connected to a gate of the first transistor; a fourth transistor connected between the third node and a first initialization power source; a fifth transistor connected between a second initialization power source and the anode electrode of the light emitting element, the fifth transistor being turned on by a scan signal provided to a scan line; and a boosting capacitor connected between the scan line and the third node.

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：US20210249576A1

公开(公告)日：2021-08-12

申请号：US17240669

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L33/62 ,  H01L27/15

Abstract: A display device includes a substrate including a plurality of pixels; an electrode part including a first electrode in each pixel of the plurality of pixels on the substrate and a second electrode spaced apart from the first electrode on a same plane; a plurality of light emitting devices spaced apart from each other between the first electrode and the second electrode; a power line part including a first power line between the substrate and the first electrode, the first power line to receive a first driving power source, and a second power line between the substrate and the second electrode, the second power line to receive a second driving power source; and a shielding electrode line between the power line part and the first electrode, the shielding electrode line to receive the first driving power source.

公开(公告)号：US20210141417A1

公开(公告)日：2021-05-13

申请号：US16940984

申请日：2020-07-28

Applicant: Samsung Display Co., LTD.

Inventor： Jin SEO ,  Seung Hwa HA ,  Se Yoon OH ,  Jong Hwan LEE ,  Min Jae JEONG

IPC: G06F1/16 ,  G02F1/1334 ,  G02F1/13363

Abstract: A display device includes a first non-folding area and a second non-folding area, a display panel disposed in the first non-folding area and the second non-folding area, a leveling layer on the display panel in the first non-folding area, a protection window on the leveling layer in the first non-folding area, and a transmission control layer on the display panel in the second non-folding area. A thickness of the transmission control layer is substantially equal to a sum of a thickness of the leveling layer and a thickness of the protection window.

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：US20200258938A1

公开(公告)日：2020-08-13

申请号：US16784935

申请日：2020-02-07

Applicant: Samsung Display Co., Ltd.

Inventor： Chong Chul CHAI ,  Kyung Bae KIM ,  Mee Hye JUNG ,  Jin Oh KWAG ,  Min Jae JEONG

IPC: H01L27/15 ,  H01L27/12 ,  H01L33/62 ,  H01L49/02 ,  H01L23/552

Abstract: A display device includes: a substrate including a pixel; a scan line for supplying a scan signal to the pixel; a data line for supplying a data signal to the pixel; a first power line for supplying a first driving power source to the pixel; a second power line for supplying a second driving power source to the pixel; and a third power line for supplying a ground voltage to the pixel. The pixel includes: first and second electrodes spaced apart from each other on the substrate; a plurality of light emitting elements, each of the light emitting elements having first and second end portions in a length direction thereof and being arranged between the first electrode and the second electrode; and a first switch electrically connected between the third power line and the first electrode. The first switch is configured to be turned on by a control signal.