公开(公告)号：US20250022411A1

公开(公告)日：2025-01-16

申请号：US18902926

申请日：2024-10-01

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/32

Abstract: A pixel includes a light emitting element, a first transistor including a first electrode electrically connected to a first voltage line which supplies a first driving voltage, a second electrode electrically connected to the light emitting element, and a gate electrode connected to a first node, a second transistor connected between the first node and a second node and including a gate electrode connected to a first scan line, a third transistor connected between the second electrode of the first transistor and the second node and including a gate electrode connected to a second scan line, and a booting capacitor connected between the second node and the second scan line.

公开(公告)号：US20250008797A1

公开(公告)日：2025-01-02

申请号：US18886950

申请日：2024-09-16

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN PARK ,  JANGMI KANG ,  MINJAE JEONG

IPC: H10K59/131 ,  H10K59/126

Abstract: An electronic device includes a display panel including a plurality of pixels. Each of the plurality of pixels includes a light-emitting diode, a power line, an initialization voltage line, an initialization signal line, a bias voltage line, a transistor including a first gate in contact with the initialization signal line through a first contact and electrically connected between the initialization voltage line and the anode, and a transistor including a second gate in contact with the initialization signal line through a second contact and electrically connected between the power line and the bias voltage line. In a plan view, the initialization signal line does not overlap the power line.

公开(公告)号：US20240381694A1

公开(公告)日：2024-11-14

申请号：US18406131

申请日：2024-01-06

Applicant: Samsung Display Co., LTD.

Inventor： TAEGYUN KIM ,  MINJAE JEONG ,  JAEHYUNG CHO ,  BON-YONG KOO

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

Abstract: A display device includes: first to third pixel circuits, each of which includes a first transistor including a first electrode connected to a first power line, a second electrode connected to the light emitting element, and a control electrode connected to a node, a second transistor including a first electrode connected to a data line, a second electrode connected to the first transistor's first electrode, and a control electrode connected to a write scan line, and a capacitor including a first electrode connected to a constant voltage line and a second electrode connected to the node. The constant voltage line is disposed between the second and third pixel circuits. An extension electrode of the display device is connected to the first electrode of the capacitor of each of the second and third pixel circuits, extends between the second and third pixel circuits, and is connected to the constant voltage line.

公开(公告)号：US20240096282A1

公开(公告)日：2024-03-21

申请号：US18521418

申请日：2023-11-28

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN PARK ,  JANGMI KANG ,  MINJAE JEONG ,  MEEHYE JUNG

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/08

Abstract: A pixel includes: a light emitting diode; a first transistor; a first capacitor connected between a first node and a gate electrode of the first transistor; a second transistor including a first electrode electrically connected to the gate electrode of the first transistor, a second electrode and a gate electrode which receives a first scan signal; and a third transistor including a first electrode electrically connected to the second electrode of the second transistor, a second electrode electrically connected to a third voltage line, and a gate electrode which receives a second scan signal. During an initialization period, an initialization voltage provided from the third voltage line is provided to the gate electrode of the first transistor through the third and second transistors, and, when the initialization period is terminated, at least one of the second transistor and the third transistor is turned off.

公开(公告)号：US20240096270A1

公开(公告)日：2024-03-21

申请号：US18363556

申请日：2023-08-01

Applicant: Samsung Display Co., LTD.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0842 ,  G09G2310/0267 ,  G09G2310/0275 ,  G09G2320/0247

Abstract: A display apparatus includes a display panel including a pixel, a gate driver providing a gate signal to the pixel, a data driver providing a data voltage to the pixel and an emission driver providing an emission signal to the pixel. The pixel includes a driving switching element applying a driving current to the light emitting element, a storage capacitor connected to the driving switching element, a bias capacitor connected to the storage capacitor and receiving a bias gate signal, a threshold voltage compensation switching element connected to an electrode of the driving switching element and a light emitting element initialization switching element connected to an electrode of the light emitting element. A control signal applied to an electrode of the threshold voltage compensation switching element and a control signal applied to an electrode of the light emitting element initialization switching element are generated from different signal generators.

公开(公告)号：US20240029641A1

公开(公告)日：2024-01-25

申请号：US18374070

申请日：2023-09-28

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/32

CPC classification number: G09G3/32 ,  G09G2300/0819 ,  G09G2300/0861 ,  G09G2320/0233 ,  G09G2310/08 ,  G09G2300/0426 ,  G09G2300/0842 ,  G09G2300/043

Abstract: A pixel includes a light emitting element, a first transistor including a first electrode electrically connected to a first voltage line which supplies a first driving voltage, a second electrode electrically connected to the light emitting element, and a gate electrode connected to a first node, a second transistor connected between the first node and a second node and including a gate electrode connected to a first scan line, a third transistor connected between the second electrode of the first transistor and the second node and including a gate electrode connected to a second scan line, and a booting capacitor connected between the second node and the second scan line.

公开(公告)号：US20220415991A1

公开(公告)日：2022-12-29

申请号：US17747060

申请日：2022-05-18

Applicant: Samsung Display Co., Ltd. ,  IUCF-HYU (Industry-University Cooperation Foundation Hanyang University)

Inventor： Oh-Kyong KWON ,  MINJAE JEONG ,  KYUNGHOON CHUNG

IPC: H01L27/32 ,  G09G3/3266 ,  G09G3/3275

Abstract: A pixel including: a light emitting diode; a first capacitor connected between first and second nodes; a second capacitor connected between the second node and a third node; a first transistor including a first electrode connected to the second node, a second electrode connected to an anode of the light emitting diode, and a gate electrode connected to the first node; a second transistor including a first electrode connected to the third node, a second electrode connected to a reference voltage line, 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 reference voltage line, and a gate electrode connected to a second scan line; and a fourth transistor including a first electrode connected to a data line, a second electrode connected to the third node, and a gate electrode connected to a third scan line.

公开(公告)号：US20220270542A1

公开(公告)日：2022-08-25

申请号：US17540075

申请日：2021-12-01

Applicant: Samsung Display Co., Ltd.

Inventor： JUNHYUN PARK ,  JANGMI KANG ,  MINJAE JEONG

IPC: G09G3/32

Abstract: A display apparatus includes a display panel, a gate driver, a data driver and an emission driver. The display panel includes a pixel. The gate driver is configured to provide a gate signal to the pixel. The data driver is configured to provide a data voltage to the pixel. The emission driver is configured to provide an emission signal to the pixel. The pixel includes a light emitting element, a driving switching element and a bias switching element. The driving switching element is configured to apply a driving current to the light emitting element. The bias switching element is configured to provide a bias voltage to an input electrode of the driving switching element. A frequency of a bias gate signal applied to a control electrode of the bias switching element is greater than a frequency of a data write gate signal applied to the pixel.

公开(公告)号：US20210217842A1

公开(公告)日：2021-07-15

申请号：US17213661

申请日：2021-03-26

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： GYUNGSOON PARK ,  MINJAE JEONG ,  KEUMNAM KIM ,  SEHYOUNG CHO ,  JONGHO HONG

IPC: H01L27/32 ,  H01L51/00 ,  G09G3/20 ,  G09G3/00

Abstract: A flexible display is disclosed. In one aspect, the display includes at least one first pattern including a plurality of display elements configured to display an image and extending in a first direction. The display device also includes at least one second pattern extending in a second direction and overlapping at least a portion of the first pattern. The second pattern has a curved shape in the first direction and the second direction crosses the first direction. The first and second patterns form at least one cavity region defining a space therebetween and the first and second patterns form a mesh structure.

公开(公告)号：US20170279057A1

公开(公告)日：2017-09-28

申请号：US15384928

申请日：2016-12-20

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： GYUNGSOON PARK ,  ILGON KIM ,  MINJAE JEONG

IPC: H01L51/00 ,  H01L51/52 ,  H01L27/32

CPC classification number: H01L51/0097 ,  H01L27/3218 ,  H01L27/322 ,  H01L27/3248 ,  H01L27/326 ,  H01L27/3272 ,  H01L27/3293 ,  H01L51/52 ,  H01L51/5246 ,  H01L51/5253 ,  H01L51/5256 ,  H01L2251/5338 ,  Y02E10/549

Abstract: A display device including: a plurality of unit portions repeatedly arranged in a first direction and a second direction, wherein the second direction is different from the first direction; a plurality of display units respectively arranged above the plurality of unit portions; and a plurality of encapsulation layers respectively encapsulating the plurality of display units, wherein each of the plurality of unit portions includes an island where a display unit and an encapsulation layer are located, and at least one connection unit connected to the island, and islands of two unit portions adjacent to each other are spaced apart from each other, and connection units of the two unit portions adjacent to each other are connected to each other.