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：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：US20240161685A1

公开(公告)日：2024-05-16

申请号：US18480505

申请日：2023-10-04

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32 ,  H10K59/131

CPC classification number: G09G3/32 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2310/08 ,  G09G2320/0209 ,  G09G2320/0233 ,  G09G2330/021 ,  G09G2330/08

Abstract: An emissive display device includes a driving transistor that includes a driving gate electrode, a first electrode, and a second electrode; a storage capacitor that includes a first electrode connected to the driving gate electrode and a second electrode; a hold capacitor that includes a first electrode connected to the second electrode of the storage capacitor and a second electrode to which a driving voltage is applied; and a light emitting diode that includes an anode, it further includes a connector that connects the first electrode of the hold capacitor and the second electrode of the hold capacitor, the first electrode of the hold capacitor is in a first gate conductive layer, and the second electrode of the storage capacitor is in a second gate conductive layer, the connector is in a first data conductive layer on the first gate conductive layer and the second gate conductive layer.

公开(公告)号：US20240119901A1

公开(公告)日：2024-04-11

申请号：US18537939

申请日：2023-12-13

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

CPC classification number: G09G3/3233 ,  G09G3/3266 ,  G09G3/3275 ,  G09G3/32

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：US20240062710A1

公开(公告)日：2024-02-22

申请号：US18348863

申请日：2023-07-07

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2310/08 ,  G09G2330/027 ,  G09G2320/0252 ,  G09G2320/045 ,  G09G2300/0426

Abstract: A light emitting display device includes: a light emitting diode; a driving transistor configured to transmit an output current to the light emitting diode, and including a driving gate electrode; a storage capacitor having a first storage electrode connected with the driving gate electrode and a second storage electrode connected with a data node; a second transistor connected with a data line and configured to output a data voltage; a data voltage transmission transistor configured to transmit the data voltage output from the second transistor to the data node; and a hold capacitor that includes a first electrode configured to receive the driving voltage and a second electrode connected with the data node.

公开(公告)号：US20230037775A1

公开(公告)日：2023-02-09

申请号：US17966691

申请日：2022-10-14

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：US20220102463A1

公开(公告)日：2022-03-31

申请号：US17307859

申请日：2021-05-04

Applicant: Samsung Display Co., Ltd.

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

IPC: H01L27/32 ,  H01L51/52 ,  G09G3/3233

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：US20210408208A1

公开(公告)日：2021-12-30

申请号：US17210279

申请日：2021-03-23

Applicant: Samsung Display Co., LTD.

Inventor： Jun Hyun PARK ,  Min Jae JEONG ,  Seon Young CHOI ,  Jun Ki JEONG ,  Jae Hyung CHO

IPC: H01L27/32 ,  G09G3/3233

Abstract: A display device includes: scan lines extending in a first direction; data lines extending in a second direction intersecting the first direction and receiving data voltages; first driving voltage lines extending in the second direction and receiving a first driving voltage; second driving voltage lines extending in the second direction and receiving a second driving voltage different from the first driving voltage; and pixels connected to the scan and data lines. Each of the pixels includes first, second, and third subpixels arranged in the first direction. The first driving voltage lines and the second driving voltage lines are alternately arranged in the first direction. A location of the first driving voltage line in a first pixel differs from a location of the second driving voltage line in a second pixel. The second pixel is adjacent to the first pixel in the first direction.