公开(公告)号：US11810511B2

公开(公告)日：2023-11-07

申请号：US17741833

申请日：2022-05-11

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Taewook Kang ,  Doo-Na Kim ,  Sangsub Kim ,  Yunjung Oh ,  Dokyeong Lee ,  Jaehwan Chu

IPC: G09G3/3241 ,  G09G3/3291

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2330/021

Abstract: A pixel includes an organic light-emitting diode, a driving transistor, a first dual gate transistor, a first capacitor, and a compensation transistor. The organic light-emitting diode includes first and second terminals. The driving transistor generates the driving current and includes a first terminal to which a first power supply voltage is applied, a second terminal connected to the first terminal of the organic light-emitting diode, and a gate terminal. The first dual gate transistor is connected between the gate terminal of the driving transistor and the second terminal of the driving transistor and includes first and second sub-transistors. The first capacitor includes a first electrode to which the first power supply voltage is applied, and a second electrode connected to a first node that connects the first and second sub-transistors to each other. The compensation transistor includes a terminal connected between the second electrode and the first node.

公开(公告)号：US11881487B2

公开(公告)日：2024-01-23

申请号：US17386854

申请日：2021-07-28

Applicant: Samsung Display Co., LTD.

Inventor： Han Bit Kim ,  Mee Jae Kang ,  Keun Woo Kim ,  Doo-Na Kim ,  Sang Sub Kim ,  Do Kyeong Lee ,  Jae Hwan Chu

IPC: H01L27/12 ,  H01L27/15 ,  H10K59/121

CPC classification number: H01L27/1222 ,  H01L27/124 ,  H01L27/156 ,  H10K59/1213

Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.

公开(公告)号：US09115287B2

公开(公告)日：2015-08-25

申请号：US13670120

申请日：2012-11-06

Applicant: Samsung Display Co., Ltd. ,  Industry-Academic Cooperation Foundation, Yonsei University

Inventor： Yeon-Taek Jeong ,  Bo-Sung Kim ,  Doo-Hyoung Lee ,  Doo-Na Kim ,  Eun-Hye Park ,  Dong-Lim Kim ,  Hyun-Jae Kim ,  You-Seung Rim ,  Hyun-Soo Lim

IPC: H01L21/00 ,  C09D5/00 ,  H01L29/66 ,  C04B35/453 ,  H01L29/24 ,  H01L29/786 ,  H01L27/12 ,  H01L29/22 ,  C04B35/01 ,  C04B35/457 ,  C04B35/622

CPC classification number: C09D5/00 ,  C04B35/01 ,  C04B35/453 ,  C04B35/457 ,  C04B35/62222 ,  C04B2235/3284 ,  C04B2235/3286 ,  C04B2235/3293 ,  C04B2235/443 ,  C04B2235/444 ,  C04B2235/449 ,  H01L27/1225 ,  H01L29/22 ,  H01L29/24 ,  H01L29/66742 ,  H01L29/66969 ,  H01L29/7869

Abstract: According to a method of manufacturing a thin film transistor substrate, a composition including a metal oxalate and a solvent for manufacturing an oxide semiconductor is coated to form a thin film, the thin film is annealed, and the thin film is patterned to form a semiconductor pattern.

Abstract translation: 根据制造薄膜晶体管基板的方法，涂覆包含草酸金属盐和用于制造氧化物半导体的溶剂的组合物以形成薄膜，对薄膜进行退火，并将薄膜图案化以形成半导体 模式。

公开(公告)号：US12256571B2

公开(公告)日：2025-03-18

申请号：US18405283

申请日：2024-01-05

Applicant: Samsung Display Co., LTD.

Inventor： Han Bit Kim ,  Mee Jae Kang ,  Keun Woo Kim ,  Doo-Na Kim ,  Sang Sub Kim ,  Do Kyeong Lee ,  Jae Hwan Chu

IPC: H01L27/12 ,  H01L27/15 ,  H10D86/40 ,  H10D86/60 ,  H10H29/14 ,  H10K59/121

Abstract: A display device includes a substrate, a semiconductor layer disposed on the substrate, and including a first channel portion, a second channel portion, a connecting portion disposed between the first channel portion and the second channel portion, and electrode regions, a first insulating layer disposed on the semiconductor layer, a gate conductor disposed on the first insulating layer and including a first gate electrode overlapping the first channel portion and a second gate electrode overlapping the second channel portion, signal lines disposed on the substrate, a first electrode electrically connected to at least one of electrode regions of the semiconductor layer, an emission layer disposed on the first electrode, and a second electrode disposed on the emission layer, and the first channel portion and the second channel portion of the semiconductor layer each have a first width greater than a second width of the connecting portion.

公开(公告)号：US12112705B2

公开(公告)日：2024-10-08

申请号：US18376160

申请日：2023-10-03

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Taewook Kang ,  Doo-Na Kim ,  Sangsub Kim ,  Yunjung Oh ,  Dokyeong Lee ,  Jaehwan Chu

IPC: G09G3/32 ,  G09G3/3241 ,  G09G3/3291

CPC classification number: G09G3/3241 ,  G09G3/3291 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2310/027 ,  G09G2330/021

Abstract: A pixel includes an organic light-emitting diode, a driving transistor, a first dual gate transistor, a first capacitor, and a compensation transistor. The organic light-emitting diode includes first and second terminals. The driving transistor generates the driving current and includes a first terminal to which a first power supply voltage is applied, a second terminal connected to the first terminal of the organic light-emitting diode, and a gate terminal. The first dual gate transistor is connected between the gate terminal of the driving transistor and the second terminal of the driving transistor and includes first and second sub-transistors. The first capacitor includes a first electrode to which the first power supply voltage is applied, and a second electrode connected to a first node that connects the first and second sub-transistors to each other. The compensation transistor includes a terminal connected between the second electrode and the first node.

公开(公告)号：US11617289B2

公开(公告)日：2023-03-28

申请号：US17244013

申请日：2021-04-29

Applicant: Samsung Display Co., Ltd.

Inventor： Keunwoo Kim ,  Doo-Na Kim ,  Meejae Kang ,  Thanh Tien Nguyen

IPC: G09G3/3258 ,  G09G3/3266

Abstract: A display device includes a pixel including a pixel driving transistor and a pixel switching transistor, the pixel driving transistor including a first active layer including a first channel area having a first length, a first gate insulating layer on the first active layer, a first gate electrode on the first gate insulating layer, a first source electrode and a first drain electrode above the first gate electrode, the pixel switching transistor including a second active layer including a second channel area having a second length that is shorter than the first length, a second gate insulating layer on the second active layer, a second gate electrode on the second gate insulating layer, a second source and a second drain electrode above the second gate electrode, and wherein the pixel driving transistor and the pixel switching transistor each include a P-MOS transistor.

公开(公告)号：US20150144951A1

公开(公告)日：2015-05-28

申请号：US14257791

申请日：2014-04-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Doo-Na Kim ,  Hyeon Jun Lee ,  Chang Ok Kim ,  Yoon Ho Kim ,  Ki Seong Seo ,  Jung Yun Jo

IPC: H01L29/786 ,  H01L21/02 ,  H01L29/66 ,  H01L27/15 ,  H01L21/8234

CPC classification number: H01L21/02164 ,  H01L21/02131 ,  H01L21/02211 ,  H01L21/02271 ,  H01L29/4908 ,  H01L29/78669 ,  H01L29/78678 ,  H01L29/7869

Abstract: A thin film transistor array panel including: an insulation substrate, a gate line provided on the insulation substrate and including a gate electrode, a gate insulating layer provided on the gate line, a semiconductor layer provided on the gate insulating layer, and a source electrode and a drain electrode provided on the semiconductor layer and separated from each other, and the gate insulating layer includes a fluorinated silicon oxide (SiOF) layer, and the gate electrode, the semiconductor layer, the source electrode, and the drain electrode form a thin film transistor, and a threshold voltage shift value of the thin film transistor is substantially less than 4.9 V.

Abstract translation: 1.一种薄膜晶体管阵列面板，包括：绝缘基板，设置在所述绝缘基板上并包括栅电极的栅极线，设置在所述栅极线上的栅极绝缘层，设置在所述栅极绝缘层上的半导体层，以及源极 和设置在半导体层上并分离的漏电极，栅极绝缘层包括氟化氧化硅（SiOF）层，栅电极，半导体层，源电极和漏电极形成薄的 薄膜晶体管，并且薄膜晶体管的阈值电压偏移值基本上小于4.9V。

公开(公告)号：US11727882B2

公开(公告)日：2023-08-15

申请号：US17489399

申请日：2021-09-29

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Meejae Kang ,  Keunwoo Kim ,  Doo-Na Kim ,  Sangsub Kim ,  Do Kyeong Lee ,  Jaehwan Chu

IPC: G09G3/3258 ,  G09G3/3266

CPC classification number: G09G3/3258 ,  G09G3/3266 ,  G09G2300/0426

Abstract: A pixel includes: a capacitor connected between a first voltage line and a first node; a light emitting diode including a first electrode connected to a second node, and a second electrode connected to a second voltage line; a first transistor; a second transistor; a third transistor including a first electrode connected to the first node, a second electrode connected to the second node, and a gate electrode to receive a first scan signal; a fourth transistor including a first electrode connected to the first node, a second electrode connected to a third voltage line to receive a third voltage, and a gate electrode to receive a second scan signal; and a compensation transistor including a first electrode connected to the first node, a second electrode connected to a fourth voltage line to receive a compensation voltage, and a gate electrode to receive a compensation control voltage.

公开(公告)号：US11600229B2

公开(公告)日：2023-03-07

申请号：US17684227

申请日：2022-03-01

Applicant: Samsung Display Co., Ltd.

Inventor： Hanbit Kim ,  Meejae Kang ,  Keunwoo Kim ,  Doo-Na Kim ,  Sangsub Kim ,  Dokyeong Lee ,  Jaehwan Chu

IPC: G09G3/3233

Abstract: A pixel includes a first capacitor connected between a first electrode and a second electrode connected to a first node, a first transistor including a gate electrode connected to the first node, a first electrode connected to a second node, and a second electrode connected to a third node, a second transistor including a gate electrode that receives a data write gate signal, a first electrode that receives a data voltage, and a second electrode connected to the second node, a third transistor connected between the first node and the third node, a fourth transistor connected between the first node and an initialization voltage input terminal to which an initialization voltage is applied, an eighth transistor t connected to the third transistor and the fourth transistor, and an organic light emitting diode including an anode and a cathode receiving a second power supply voltage.