公开(公告)号：US20240224626A1

公开(公告)日：2024-07-04

申请号：US18216594

申请日：2023-06-30

Applicant: Samsung Display Co., Ltd.

Inventor： Youngtaek Oh ,  JINSUNG AN ,  SUNGHO KIM ,  YONGJAE KIM ,  SUGWOO JUNG

IPC: H10K59/126 ,  H10K59/124 ,  H10K59/131

CPC classification number: H10K59/126 ,  H10K59/124 ,  H10K59/131

Abstract: A display device includes a substrate, an active pattern, a first conductive layer, a second conductive layer, a shielding pattern, and a light emitting element. The active pattern is disposed on the substrate. The active pattern includes a first region, a second region, and a first channel region. The first conductive layer is disposed on the active pattern. The first conductive layer includes a first gate electrode overlapping the first channel region. The second conductive layer is disposed on the first conductive layer. The second conductive layer includes a first storage electrode overlapping the second region. The shielding pattern disposed on the second conductive layer. The shielding pattern overlaps the first gate electrode and the first storage electrode, and includes a black material. The light emitting element is disposed on the shielding pattern. Accordingly, low frequency characteristics of the display device may be improved.

公开(公告)号：US20220199741A1

公开(公告)日：2022-06-23

申请号：US17381579

申请日：2021-07-21

Applicant: Samsung Display Co., Ltd.

Inventor： CHANGHO YI ,  SUNGHO KIM ,  SEOKJE SEONG ,  YOON-JONG CHO ,  HYERI CHO

IPC: H01L27/32

Abstract: A display device includes a substrate, a first lower pattern disposed on the substrate, a second lower pattern disposed in a same layer as the first lower pattern and integrally formed with the first lower pattern, an etch stopper disposed on the second lower pattern, a power voltage line disposed on the first lower pattern, and a transfer pattern disposed on the etch stopper, connected to the power voltage line, and contacting the second lower pattern through a contact hole defined through the etch stopper.

公开(公告)号：US20240346989A1

公开(公告)日：2024-10-17

申请号：US18752121

申请日：2024-06-24

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  MINWOO WOO ,  WANGWOO LEE ,  JEONG-SOO LEE ,  SUGWOO JUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0278 ,  G09G2320/0247

Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.

公开(公告)号：US20230216002A1

公开(公告)日：2023-07-06

申请号：US17891441

申请日：2022-08-19

Applicant: Samsung Display Co., Ltd.

Inventor： CHANGHO YI ,  KYEONGWOO JANG ,  SUNGHO KIM ,  JOONHYOUNG PARK ,  SEOKJE SEONG ,  MINWOO WOO ,  YOON-JONG CHO ,  HYERI CHO

IPC: H01L33/62 ,  H01L27/15 ,  H01L33/54 ,  H01L33/00

CPC classification number: H01L33/62 ,  H01L27/156 ,  H01L33/005 ,  H01L33/54 ,  H01L2933/005 ,  H01L2933/0066

Abstract: A display panel includes a substrate including adjacently-positioned first display area and second display area, a first inorganic insulation layer on the substrate and defining a transmission part in the second display area, a second inorganic insulation layer disposed on the first inorganic insulation layer and covering an inner surface and a bottom surface of the transmission part, a transparent wire on the second inorganic insulation layer in the second display area a via insulation layer on the second inorganic insulation layer and the transparent wire and including an organic material, a first light emitting element on the via insulation layer in the first display area, a second light emitting element on the via insulation layer in the second display area and electrically connected to the transparent wire, and an encapsulation layer covering the first and the second light emitting elements.

公开(公告)号：US20220173194A1

公开(公告)日：2022-06-02

申请号：US17485574

申请日：2021-09-27

Applicant: Samsung Display Co., Ltd.

Inventor： HYUNGJUN PARK ,  WONKYU KWAK ,  YOON-JONG CHO ,  JI-EUN LEE ,  JIN JEON ,  SUNGHO KIM

IPC: H01L27/32

Abstract: A display panel includes a substrate, a first barrier layer disposed on the substrate, a shielding pattern disposed on the first barrier layer, a second barrier layer covering the shielding pattern and disposed on the first barrier layer, a first active pattern disposed on the second barrier layer and overlapping the shielding pattern in a plan view, a gate electrode disposed on the first active pattern, an emission control line disposed on the first active pattern and adjacent to one side of the gate electrode in a plan view, and an upper compensation control line disposed on the emission control line and adjacent to the other side of the gate electrode in a plan view.

公开(公告)号：US20240113136A1

公开(公告)日：2024-04-04

申请号：US18364571

申请日：2023-08-03

Applicant: Samsung Display Co., LTD.

Inventor： JONGCHUL YOON ,  SUNGHO KIM ,  WOONGHEE JEONG ,  NUREE UM ,  YU-JIN JEON ,  JAEWON CHO

IPC: H01L27/12

CPC classification number: H01L27/1248 ,  H01L27/124 ,  H01L27/1255

Abstract: A display device includes a first electrode disposed on a substrate and extending in a first direction, a via insulating layer disposed on the first electrode and including an opening exposing at least a portion of the first electrode, and a second electrode disposed on the first electrode and the via insulating layer and overlapping the first electrode in the opening.

公开(公告)号：US20220343817A1

公开(公告)日：2022-10-27

申请号：US17648959

申请日：2022-01-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  SEOKJE SEONG ,  MINWOO WOO ,  SEUNGHYUN LEE ,  WANGWOO LEE ,  JISEON LEE

IPC: G09G3/00 ,  H01L27/32

Abstract: A display panel includes a plurality of first pixels on a first region, a plurality of second pixels on a second region, and a test circuit. The second region has a transmittance less than a transmittance of the first region. The test circuit provides one or more test voltages to the first pixels and the second pixels. The test circuit includes a first test circuit and a second test circuit. The first test circuit provides the first pixels with a first voltage, and the second test circuit provides the second pixels with a second voltage different from the first voltage.

公开(公告)号：US20170170251A1

公开(公告)日：2017-06-15

申请号：US15334704

申请日：2016-10-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： SANGHO MOON ,  SUNGHO KIM ,  SANGKYUNG LEE

IPC: H01L27/32 ,  H01L29/417 ,  H01L51/52 ,  H01L29/786

Abstract: An organic light-emitting device includes an oxide semiconductor layer disposed in a pixel area. The oxide semiconductor layer includes a channel region, a source region and a drain region. A gate insulating layer is disposed on the oxide semiconductor layer. A gate electrode is disposed on the gate insulating layer. A conductive layer is disposed between the substrate and the oxide semiconductor layer. A bridge electrode is in contact with the conductive layer and one of the source region and the drain region. A first insulation film covers the gate electrode and the bridge electrode. An organic light-emitting diode includes a pixel electrode. An emissive layer is disposed on the pixel electrode, and an opposite electrode is disposed on the emissive layer. At least a portion of the oxide semiconductor layer overlaps the organic light-emitting diode. The conductive layer includes a light transmittance material.

公开(公告)号：US20240021157A1

公开(公告)日：2024-01-18

申请号：US18175412

申请日：2023-02-27

Applicant: Samsung Display Co., LTD.

Inventor： JINSUNG AN ,  Youngtaek Oh ,  SUNGHO KIM ,  YONGJAE KIM ,  SUGWOO JUNG

IPC: G09G3/3233 ,  H10K59/121 ,  H10K59/124 ,  H10K59/131

CPC classification number: G09G3/3233 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/124 ,  H10K59/131 ,  G09G2300/0861 ,  G09G2300/0819 ,  G09G2300/0842

Abstract: A display device includes: a light emitting diode; a driving transistor configured to transmit driving current to the light emitting diode; a bias transistor including an input terminal electrically connected to a bias voltage line; a first light emission control transistor including an output terminal electrically connected to an in put terminal of the driving transistor, and a gate electrode configured to receive a light emission control signal; a second light emission control transistor including an input terminal electrically connected to an output terminal of the driving transistor, and a gate electrode configured to receive the light emission control signal; a bias bridge electrode electrically in contact with each of an output terminal of the bias transistor and the input terminal of the driving transistor; and a first light emission control bridge electrode configured to receive the light emission control signal.

公开(公告)号：US20230335044A1

公开(公告)日：2023-10-19

申请号：US18069418

申请日：2022-12-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： JINSUNG AN ,  SUNGHO KIM ,  MINWOO WOO ,  WANGWOO LEE ,  JEONG-SOO LEE ,  SUGWOO JUNG

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0426 ,  G09G2300/0852 ,  G09G2310/0278 ,  G09G2320/0247

Abstract: A display panel includes: a light emitting element, a driving switching element, a bias switching element and a bias control switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is connected to a first electrode of the driving switching element and configured to apply a bias voltage to the first electrode of the driving switching element. The bias control switching element is connected to a first electrode of the bias switching element and configured to apply the bias voltage to the first electrode of the bias switching element.