公开(公告)号：US20240065031A1

公开(公告)日：2024-02-22

申请号：US18322765

申请日：2023-05-24

Applicant: Samsung Display Co., LTD.

Inventor： Hyeong Seok KIM ,  Min Jae JEONG ,  Jun Hyun PARK ,  HEEJEAN PARK

IPC: H10K59/121 ,  G09G3/3233 ,  H10K59/126 ,  H10K59/131 ,  H10K59/40 ,  H10K59/80 ,  H10K59/12

CPC classification number: H10K59/1213 ,  G09G3/3233 ,  H10K59/1216 ,  H10K59/126 ,  H10K59/131 ,  H10K59/40 ,  H10K59/873 ,  H10K59/1201 ,  G09G2300/0852 ,  G09G2300/0819

Abstract: A light emitting display device that includes thin film transistors. Material for electrodes of the thin film transistors are chosen to allow for dehydrogenation of the underlying semiconductor pattern while allowing for high frequency driving without delay. Molybdenum is chosen to allow for dehydrogenation, and titanium on aluminum two-layered structure is chosen for low resistance and high-speed driving. The display includes a driving transistor and a switching transistor with a polycrystalline semiconductor layer and a transistor with an oxide semiconductor layer.

公开(公告)号：US20240057398A1

公开(公告)日：2024-02-15

申请号：US18344536

申请日：2023-06-29

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Hyeong Seok KIM ,  HEEJEAN PARK ,  Min Jae JEONG

IPC: H10K59/123 ,  H10K59/121 ,  H10K59/131

CPC classification number: H10K59/123 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/1315

Abstract: The present disclosure relates to a display device, and one or more embodiments provides a display device including a substrate, a transistor above the substrate, a pixel electrode connected to the transistor, an extension electrode connected between the transistor and the pixel electrode, an additional capacitor electrode at a same layer as the extension electrode, overlapping the pixel electrode, and to which a constant voltage is applied, a light-emitting layer above the pixel electrode, and a common electrode above the light-emitting layer.

公开(公告)号：US20210066444A1

公开(公告)日：2021-03-04

申请号：US17097114

申请日：2020-11-13

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Hee Rim SONG ,  Kyung Hoon KIM ,  Mee Hye JUNG ,  Min Jae JEONG ,  Seon Young CHOI

IPC: H01L27/32 ,  G09G3/3225 ,  H01L27/12

Abstract: A display device includes a substrate including a first display region, a second display region having an area smaller than that of the first display region, a third display region having an area smaller than that of the first display region, and a non-display region, a plurality of pixels provided in the first to third display regions, a power line which is connected to each of the plurality of pixels and applies a first power voltage to the plurality of pixels, and a fan-out line provided in the non-display region, the fan-out line applying a data signal to the plurality of pixels, where the power line includes an additional power line, a first power line, and disposed on the additional power line, and a second power line disposed on the first power line.

公开(公告)号：US20240258492A1

公开(公告)日：2024-08-01

申请号：US18636253

申请日：2024-04-15

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kyung Bae KIM ,  Hyun Joon KIM ,  Kyung Hoon CHUNG ,  Mee Hye JUNG ,  Min Jae JEONG ,  Jun Ki JEONG

IPC: H01L33/62 ,  G09G3/32 ,  H01L25/075 ,  H01L33/38

CPC classification number: H01L33/62 ,  H01L25/0753 ,  H01L33/387 ,  G09G3/32 ,  G09G2300/0426

Abstract: A display device comprises a substrate, a semiconductor layer thereon, a first insulating layer on the semiconductor layer, a first conductive layer on the first insulating layer and including a first electrode pattern, a second insulating layer on the first insulating layer and including first and second conductive patterns, a third insulating layer on the second conductive layer, and a display element layer on the third insulating layer and including a first pixel electrode connected to the first conductive pattern through a first via hole, a second pixel electrode connected to the second conductive pattern through a second via hole, and a micro light-emitting element between the pixel electrodes, the first conductive pattern contacting the semiconductor layer through a first contact hole and the first electrode pattern through a second contact hole, and the second conductive pattern overlapping the first electrode pattern to form a first capacitor therewith.

公开(公告)号：US20240008327A1

公开(公告)日：2024-01-04

申请号：US18362933

申请日：2023-07-31

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

CPC classification number: H10K59/131 ,  G09G3/3233 ,  H10K50/813 ,  G09G2300/0809 ,  H10K59/352 ,  G09G2300/0452 ,  H10K59/122

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：US20230140604A1

公开(公告)日：2023-05-04

申请号：US17860676

申请日：2022-07-08

Applicant: Samsung Display. Co., Ltd

Inventor： Min Jae JEONG ,  Jang Mi KANG ,  Hyeong Seok KIM ,  Jun Hyun PARK ,  Mu Kyung JEON

IPC: G09G3/3258 ,  G09G3/3266

Abstract: A pixel includes a light emitting element, a first transistor connected between first and second nodes and that generates a driving current flowing from a first power line to a second power line through the light emitting element, a second transistor connected between a data line and the first node and turned on in response to a fourth scan signal, a third transistor connected between the second node and a third node corresponding to a gate electrode of the first transistor and turned on in response to a second scan signal, a fourth transistor connected between the third node and a third power line providing a third power voltage and turned on in response to a first scan signal, and a fifth transistor connected between the first and fourth nodes and turned on in response to a fifth scan signal.

公开(公告)号：US20230086764A1

公开(公告)日：2023-03-23

申请号：US18058725

申请日：2022-11-23

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：US20220366852A1

公开(公告)日：2022-11-17

申请号：US17875601

申请日：2022-07-28

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：US20210249501A1

公开(公告)日：2021-08-12

申请号：US17240702

申请日：2021-04-26

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Hwan CHO ,  Doo Hwan KIM ,  Tae Jin KIM ,  Tae Hyun KIM ,  Joo Sun YOON ,  Min Jae JEONG ,  Jong Hyun CHOI

IPC: H01L27/32 ,  G09G3/3266 ,  H01L27/12

Abstract: A display panel includes a first substrate having a display area and a peripheral area. The display area includes pixels with first output wires connected to the pixels. A first driver is connected to the first output wires and positioned in the peripheral area at a first side of the display area. The first substrate includes a notch portion having a curved edge and the display area has a first display portion and a second display portion with the notch portion therebetween. At least one of the first output wires is a first main line at the first display portion, a second main line at the second display portion, and a first connecting line that is connected to the first main line and the second main line and is at the peripheral area between the first display portion and the second display portion.

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.