公开(公告)号：US20240355281A1

公开(公告)日：2024-10-24

申请号：US18543347

申请日：2023-12-18

Applicant: Samsung Display Co., LTD.

Inventor： Jae Yong JANG ,  Bon Yong KOO ,  Hyun Joon KIM ,  Dan Won LIM ,  Seon Young CHOI

IPC: G09G3/3233 ,  H10K59/122 ,  H10K59/131 ,  H10K77/10

CPC classification number: G09G3/3233 ,  H10K59/122 ,  H10K59/131 ,  H10K77/111 ,  G09G2310/0283 ,  G09G2330/021 ,  H10K2102/311

Abstract: Provided is a display device including a substrate, a circuit layer disposed on a first surface of the substrate, a light emitting element layer, and a circuit board disposed on a second surface of the substrate. The circuit layer includes pixel drivers, gate lines, a first power supply line and a second power supply line respectively transmitting a first power and a second power, and a gate driver including stages electrically connected to the gate lines, respectively. The second power supply line is electrically connected to the circuit board through power connection portions. The power connection portions are disposed between a number of the stages adjacent to a curved corner of the substrate among the stages of the gate driver.

公开(公告)号：US20240136368A1

公开(公告)日：2024-04-25

申请号：US18402379

申请日：2024-01-02

Applicant: Samsung Display Co., Ltd.

Inventor： Seon Young CHOI ,  Jae Hyung CHO ,  Jee Hoon SIM ,  Jun Ki JEONG

IPC: H01L27/12 ,  G02F1/1333 ,  G02F1/1362

CPC classification number: H01L27/1248 ,  G02F1/133345 ,  G02F1/136227 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1255 ,  H01L27/156

Abstract: An embodiment of a display device includes a substrate, a semiconductor layer, a first gate insulating layer, a gate electrode, a second gate insulating layer, a first storage electrode, a first interlayer insulating layer, a second interlayer insulating layer, a data line, and a driving voltage line. The semiconductor layer is disposed on the substrate. The first gate insulating layer is disposed on the semiconductor layer. The gate electrode is positioned on the first insulating layer. The second gate insulating layer is disposed on the gate electrode. The first storage electrode is positioned on the second gate insulating layer. The first interlayer insulating layer is disposed on the first storage electrode and has an opening surrounding the semiconductor layer, the gate electrode, and the first storage electrode. The second interlayer insulating layer is disposed on the first interlayer insulating layer and fills the opening. The data line and the driving voltage line are positioned on the second interlayer insulating layer. The semiconductor layer, the gate electrode, and the storage electrode are included in a pixel region. The display device includes a plurality of pixel regions. The data line and the driving voltage line cross the pixel circuit region. A portion of the semiconductor layer is in contact with the second interlayer insulating that fills the opening.

公开(公告)号：US20230232679A1

公开(公告)日：2023-07-20

申请号：US18095957

申请日：2023-01-11

Applicant: Samsung Display Co., LTD.

Inventor： MINDO HEO ,  Min Kyu WOO ,  Seon Young CHOI

IPC: H10K59/131 ,  G09G3/3233

CPC classification number: H10K59/131 ,  G09G3/3233 ,  G09G2300/0408 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0214 ,  H10K59/124

Abstract: A display device includes: a substrate; and a semiconductor layer including a driving transistor and a fourth transistor on the substrate, wherein a first electrode of the driving transistor is connected to a driving voltage line to receive a driving voltage, a first electrode of the fourth transistor is connected to a first initialization voltage line to receive a first initialization voltage, a second electrode of the fourth transistor is connected to a gate electrode of the driving transistor, a low doping region is between a channel of the fourth transistor and the first electrode of the fourth transistor, and a low doping region is not between the channel of the further transistor and the second electrode of the fourth transistor.

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：US20180331124A1

公开(公告)日：2018-11-15

申请号：US15949938

申请日：2018-04-10

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Hwan CHO ,  Jong Hyun CHOI ,  Kyung-Hoon KIM ,  Dong Hwan SHIM ,  Seon Young CHOI

IPC: H01L27/12 ,  H01L27/15 ,  H01L27/32

CPC classification number: H01L27/124 ,  G09G3/3233 ,  G09G3/3241 ,  G09G3/3648 ,  G09G2300/0413 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2320/0209 ,  G09G2320/0219 ,  H01L27/1218 ,  H01L27/1244 ,  H01L27/1248 ,  H01L27/156 ,  H01L27/3272 ,  H01L27/3276 ,  H01L51/0097 ,  H01L2251/5338

Abstract: A display device includes: a substrate including a main display portion, edge portions disposed at edges of the main display portion and including rounded corners, first side portions bent from the edge portions, and second side portions bent from the main display portion; scan lines and data lines that are disposed on the substrate; transistors connected to the scan lines and the data lines; and a data voltage transmission line connected to data lines that are disposed in the first side portions and the edge portions.

公开(公告)号：US20240284738A1

公开(公告)日：2024-08-22

申请号：US18653246

申请日：2024-05-02

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H10K59/131 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  H01L27/12 ,  H10K59/121 ,  H10K59/40

CPC classification number: H10K59/131 ,  G09G3/3225 ,  H01L27/1222 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/1315 ,  H10K59/40 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/08 ,  G09G2320/0223

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：US20240274048A1

公开(公告)日：2024-08-15

申请号：US18492724

申请日：2023-10-23

Applicant: Samsung Display Co., Ltd.

Inventor： Seon Young CHOI ,  Bon Yong KOO

IPC: G09G3/00 ,  G06F3/041 ,  G09G3/3233 ,  G09G3/3275 ,  H10K59/12 ,  H10K59/131 ,  H10K59/80

CPC classification number: G09G3/006 ,  G06F3/04164 ,  G09G3/3233 ,  G09G3/3275 ,  H10K59/1201 ,  H10K59/131 ,  H10K59/871 ,  G09G2330/12

Abstract: A display device includes: a substrate; a circuit layer on a first surface of the substrate; a circuit board on a second surface of the substrate opposite to the first surface; and a display driving circuit on the circuit board to supply data signals of data lines. The substrate includes: a first support layer and a second support layer; and a pad conductive layer between the first support layer and the second support layer, and including signal pads connected to the circuit board, and pad connection lines connected to the signal pads. The circuit layer further includes: data connection lines in a non-display area electrically connected to the data lines; and data bridge lines electrically connecting data pad connection lines of the pad connection lines and the data connection lines to each other. An end of each of the data bridge lines is aligned with an edge of the substrate.

公开(公告)号：US20200027901A1

公开(公告)日：2020-01-23

申请号：US16588423

申请日：2019-09-30

Applicant: Samsung Display Co., Ltd.

Inventor： Seung-Hwan CHO ,  Jong Hyun CHOI ,  Kyung-Hoon KIM ,  Dong Hwan SHIM ,  Seon Young CHOI

IPC: H01L27/12 ,  H01L27/15 ,  H01L27/32 ,  G09G3/3233

Abstract: A display device includes: a substrate including a main display portion, edge portions disposed at edges of the main display portion and including rounded corners, first side portions bent from the edge portions, and second side portions bent from the main display portion; scan lines and data lines that are disposed on the substrate; transistors connected to the scan lines and the data lines; and a data voltage transmission line connected to data lines that are disposed in the first side portions and the edge portions.

公开(公告)号：US20190103455A1

公开(公告)日：2019-04-04

申请号：US16111908

申请日：2018-08-24

Applicant: SAMSUNG DISPLAY CO., LTD.

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

IPC: H01L27/32

CPC classification number: H01L27/3276 ,  G09G3/3225 ,  G09G3/3266 ,  G09G3/3275 ,  G09G2300/0426 ,  G09G2300/0809 ,  G09G2310/08 ,  G09G2320/0223 ,  H01L27/124 ,  H01L27/323 ,  H01L27/3262 ,  H01L27/3265 ,  H01L27/3279

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：US20240249668A1

公开(公告)日：2024-07-25

申请号：US18509743

申请日：2023-11-15

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2300/0861

Abstract: A pixel according to an embodiment of the disclosure includes a light emitting element, a pulse width control circuit that is electrically connected to a data line to which a data voltage is applied, generates an emission control signal having a pulse width depending on the data voltage, and outputs the emission control signal, and a pixel driving circuit that receives the emission control signal and supplies a driving current to the light emitting element for a period according to the pulse width of the emission control signal. According to an embodiment of the disclosure, a pixel displaying images of various grayscales by controlling a period in which the light emitting element emits light, a method for driving the same, and a display device including the same may be provided.