公开(公告)号：US20250061840A1

公开(公告)日：2025-02-20

申请号：US18613140

申请日：2024-03-22

Applicant: Samsung Display Co., Ltd.

Inventor： YOUNGWAN SEO ,  JUNHYUN PARK ,  SOIL YOON

IPC: G09G3/32

Abstract: A pixel includes a first transistor including a gate terminal connected to a first node, a first terminal, and a second terminal connected to a second node, a second transistor including a gate terminal which receives a first gate signal, a first terminal which receives a data voltage, and a second terminal connected to the first node, a third transistor including a gate terminal which receives a second gate signal, a first terminal which receives a first power voltage, and a second terminal connected to the second terminal of the first transistor, a first capacitor including first and second terminals connected to the first and second nodes, respectively, a second capacitor including a first terminal which receives the first power voltage, and a second terminal connected to the second node, and a light emitting element connected to the second node and which receives a second power voltage.

公开(公告)号：US20240038148A1

公开(公告)日：2024-02-01

申请号：US18354419

申请日：2023-07-18

Applicant: Samsung Display Co., LTD.

Inventor： JUNHYUN PARK ,  HYEONGSEOK KIM ,  HEEJEAN PARK ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/32 ,  H10K59/121

CPC classification number: G09G3/32 ,  H10K59/1213 ,  G09G2300/0852 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A display device includes a substrate, a first active pattern above the substrate, a first gate layer above the first active pattern, and including a first capacitor electrode, a second gate layer above the first gate layer, and including a second capacitor electrode overlapping the first capacitor electrode, a second active pattern above the second gate layer, and including an extension portion above the second capacitor electrode, and a connection electrode above the second active pattern, and connecting the extension portion and the first capacitor electrode.

公开(公告)号：US20240013712A1

公开(公告)日：2024-01-11

申请号：US18372618

申请日：2023-09-25

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN PARK ,  HYEONGSEOK KIM ,  JANGMI KANG ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2300/0842

Abstract: A pixel circuit includes a light emitting element, a driving switching element, a storage capacitor, a data voltage applying switching element and a first leakage compensation switching element. The driving switching element is configured to apply a driving current to the light emitting element. The storage capacitor is connected to a control electrode of the driving switching element. The data voltage applying switching element is configured to apply a data voltage to the storage capacitor. The first leakage compensation switching element is disposed between the storage capacitor and the data voltage applying switching element.

公开(公告)号：US20230290287A1

公开(公告)日：2023-09-14

申请号：US18088716

申请日：2022-12-26

Applicant: Samsung Display Co., Ltd.

Inventor： HYEONGSEOK KIM ,  JANGMI KANG ,  JUNHYUN PARK ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/00 ,  G09G3/32

CPC classification number: G09G3/006 ,  G09G3/32 ,  G09G2300/0819 ,  G09G2300/0426 ,  G09G2310/0202 ,  G09G2310/08 ,  G09G2300/0852 ,  G09G2330/12 ,  G09G2300/0861

Abstract: A pixel includes a light emitting element, a first transistor including a first electrode electrically connected to a first voltage line, a second electrode electrically connected to the light emitting element, and a gate electrode connected to a first node, a second transistor including a first electrode connected to a data line, a second electrode, and a gate electrode connected to a first scan line, a third transistor including a first electrode electrically connected to the first node, a second electrode connected to the second electrode of the first transistor, and a gate electrode connected to a second scan line, and a test transistor including a first electrode connected to the first electrode of the first transistor, a second electrode electrically connected to the second electrode of the second transistor, and a gate electrode connected to the second scan line.

公开(公告)号：US20230252935A1

公开(公告)日：2023-08-10

申请号：US18066977

申请日：2022-12-15

Applicant: Samsung Display Co., LTD.

Inventor： JUNHYUN PARK ,  JANGMI KANG ,  HYEONGSEOK KIM ,  MINJAE JEONG ,  MUKYUNG JEON

IPC: G09G3/32 ,  G09G3/00

CPC classification number: G09G3/32 ,  G09G3/006 ,  G09G2300/0842 ,  G09G2300/0426 ,  G09G2310/0275 ,  G09G2330/12

Abstract: A pixel circuit includes: a light emitting element; a driving transistor to generate a driving current; a write transistor including a control electrode to receive a write gate signal, a first electrode to receive a data voltage, and a second electrode connected to a first electrode of a storage capacitor; a first compensation transistor including a control electrode to receive a compensation gate signal, a first electrode connected to a control electrode of the driving transistor, and a second electrode connected to a first electrode of the driving transistor; the storage capacitor including the first electrode connected to the second electrode of the write transistor, and a second electrode connected to the control electrode of the driving transistor; and a test transistor including a control electrode, a first electrode to receive the data voltage, and a second electrode connected to a second electrode of the driving transistor.

公开(公告)号：US20230069447A1

公开(公告)日：2023-03-02

申请号：US17748521

申请日：2022-05-19

Applicant: Samsung Display Co., Ltd.

Inventor： JANGMI KANG ,  JUNHYUN PARK ,  MINJAE JEONG ,  HYEONGSEOK KIM

IPC: G09G3/32

Abstract: A pixel circuit includes a light emitting element, a write transistor configured to apply a data voltage to an input node in response to a write gate signal, a storage capacitor configured to store the data voltage, a driving transistor configured to apply a driving current to the light emitting element based on the data voltage, a first compensation transistor configured to compensate for a threshold voltage of the driving transistor in response to a compensation gate signal, a first initialization transistor configured to apply a first initialization voltage to a control electrode of the driving transistor in response to an initialization gate signal, and a boost capacitor including a first electrode to which a previous initialization gate signal applied to a previous pixel row is applied and a second electrode connected to the control electrode of the driving transistor.

公开(公告)号：US20230066949A1

公开(公告)日：2023-03-02

申请号：US17674107

申请日：2022-02-17

Applicant: Samsung Display Co., Ltd.

Inventor： MINJAE JEONG ,  JANGMI KANG ,  HYEONGSEOK KIM ,  JUNHYUN PARK ,  MUKYUNG JEON

IPC: G09G3/32

Abstract: A pixel of a display device includes a first transistor including a top gate coupled to a first node, a first terminal, a second terminal coupled to a second node, and a bottom gate, a second transistor including a gate coupled to a writing signal line, a first terminal coupled to a data line, and a second terminal coupled to the first node, a storage capacitor coupled between the first node and the second node, a light emitting element coupled between the second node and a second power supply voltage line, and a seventh transistor including a gate coupled to an initialization signal line, a first terminal coupled to a bias voltage line, and a second terminal coupled to the bottom gate.

公开(公告)号：US20160293118A1

公开(公告)日：2016-10-06

申请号：US14863823

申请日：2015-09-24

Applicant: SAMSUNG DISPLAY CO, LTD.

Inventor： JUNHYUN PARK ,  SUNGHWAN KIM ,  SEYOUNG SONG ,  KYOUNGJU SHIN

IPC: G09G3/36 ,  G02F1/1333 ,  G02F1/1362 ,  H01L27/12 ,  G02F1/1368

CPC classification number: G02F1/133345 ,  G02F1/136286 ,  G02F1/1368 ,  G09G3/20 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2320/0223 ,  H01L27/124 ,  H01L27/1248 ,  H01L27/1255

Abstract: A display device includes a plurality of pixels. Each pixel includes a transistor connected to a corresponding gate line of a plurality of gate lines and a corresponding data line of a plurality of data lines, and a liquid crystal capacitor connected to the transistor. The display device further includes a plurality of switch transistors receiving data voltages and selectively applying the data voltages to odd-numbered data lines and even-numbered data lines of the data lines, and an insulating layer disposed on the transistors and the switch transistors. The insulating layer disposed on a conductive channel of each of the transistors has a first thickness, and the insulating layer disposed on a conductive channel of each of the switch transistors has a second thickness larger than the first thickness.

Abstract translation: 显示装置包括多个像素。 每个像素包括连接到多条栅极线的对应栅极线和多条数据线的对应数据线的晶体管，以及连接到晶体管的液晶电容器。 显示装置还包括接收数据电压并选择性地将数据电压施加到数据线的奇数数据线和偶数数据线的多个开关晶体管，以及设置在晶体管和开关晶体管上的绝缘层。 设置在每个晶体管的导电沟道上的绝缘层具有第一厚度，并且设置在每个开关晶体管的导电沟道上的绝缘层具有大于第一厚度的第二厚度。