公开(公告)号：US12156457B2

公开(公告)日：2024-11-26

申请号：US18226369

申请日：2023-07-26

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Mukyung Jeon ,  Cheol-Gon Lee

IPC: G09G5/00 ,  G06V40/13 ,  H10K59/121 ,  H10K59/131 ,  H10K59/65

Abstract: A display device including: a base layer; a circuit layer disposed on the base layer; and an element layer disposed on the circuit layer, the element layer including a light emitting element and a light receiving element, wherein the circuit layer includes: a pixel drive circuit connected to the light emitting element; a sensor drive circuit connected to the light receiving element; a data wire connected to the pixel drive circuit; a readout wire connected to the sensor drive circuit; and a shielding electrode wire overlapping the readout wire on a plane.

公开(公告)号：US12142209B2

公开(公告)日：2024-11-12

申请号：US17583005

申请日：2022-01-24

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Mukyung Jeon ,  Heejean Park ,  Yujin Lee ,  Cheol-Gon Lee

IPC: G09G3/3233 ,  G09G3/32

Abstract: A pixel includes a light emitting element, a driving switching element, an initialization voltage terminal, a data initialization switching element set, and an adjustment switching element. The driving switching element may provide a driving current to the light emitting element. The adjustment switching element is electrically connected to the data initialization switching element in series. At least one of the data initialization switching element set and the adjustment switching element may control an electrical connection between the control electrode of the driving switching element and the initialization voltage terminal. A control electrode of the adjustment switching element is electrically connected to an input electrode of the adjustment switching element.

公开(公告)号：US12087082B2

公开(公告)日：2024-09-10

申请号：US18097514

申请日：2023-01-17

Applicant: Samsung Display Co., Ltd.

Inventor： Heerim Song ,  Heejean Park ,  Yujin Lee ,  Cheol-Gon Lee ,  Mukyung Jeon

IPC: G06V40/13 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/121 ,  H10K59/40

CPC classification number: G06V40/1318 ,  G09G3/3233 ,  H10K39/34 ,  H10K59/1213 ,  H10K59/40 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0842 ,  G09G2300/0861 ,  G09G2310/08 ,  G09G2354/00

Abstract: Disclosed is a display device including a base layer and a pixel layer that is disposed on the base layer and that includes a plurality of pixels and a plurality of sensors. Each of the plurality of pixels includes a light emitting element and a pixel drive circuit connected to the light emitting element to control driving of the light emitting element. Each of the plurality of sensors includes a light sensing unit including a plurality of light sensing elements, a sensor drive circuit that is connected to at least two light sensing elements and that outputs a sensing signal in response to light, and a routing wire that electrically connects the at least two light sensing elements to each other.

公开(公告)号：US12022708B2

公开(公告)日：2024-06-25

申请号：US18357044

申请日：2023-07-21

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Sunhwa Lee ,  Kihyun Pyo ,  Mukyung Jeon

IPC: H10K59/131 ,  G09G3/3258 ,  H10K50/842 ,  H10K59/121 ,  H10K59/40 ,  H10K102/00

CPC classification number: H10K59/131 ,  G09G3/3258 ,  H10K50/8426 ,  H10K59/1213 ,  H10K59/40 ,  H10K2102/00

Abstract: A display device includes a base layer including an active area and a peripheral area outside the active area, a circuit element layer including a pixel circuit in the active area and a driving voltage wiring located in the peripheral area to supply a driving voltage to the pixel circuit. A light emitting element layer including a plurality of light emitting elements on the circuit element layer, a thin film sealing layer to cover the light emitting element layer, and an input sensing layer on the thin film sealing layer and including a sensing electrode and a sensing signal wiring part connected to the sensing electrode. The circuit element layer includes a connection wiring part overlapping the driving voltage wiring in the peripheral area and contacts the sensing signal wiring part. The connection wiring part is at a different layer from the driving voltage wiring.

公开(公告)号：US11996054B2

公开(公告)日：2024-05-28

申请号：US18204395

申请日：2023-06-01

Applicant: Samsung Display Co., Ltd.

Inventor： Jangmi Kang ,  Hyeongseok Kim ,  Junhyun Park ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/3266

CPC classification number: G09G3/3266 ,  G09G2320/0247

Abstract: Provided is a scan driver for applying a bias voltage comprising a kth stage that includes an inputter transmitting an input signal to a first node, a stress reliever disposed between the first node and a second node, a carry signal outputter receiving a high-power-supply voltage and a second clock signal and outputting the second clock signal, an output signal outputter receiving the high-power-supply voltage and a third clock signal and outputting the third clock signal, a maintainer transmitting the first clock signal to a third node, and a stabilizer applying a first low-power-supply voltage to the third node and the high-power-supply voltage to the first node. The first and second clock signals selectively toggle between the high-power-supply voltage and the first low-power-supply voltage, the third clock signal selectively toggles between the high-power-supply voltage and a second low-power-supply voltage, and the bias voltage is adjusted as the second low-power-supply voltage varies.

公开(公告)号：US20240153460A1

公开(公告)日：2024-05-09

申请号：US18502437

申请日：2023-11-06

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun Park ,  Hyeongseok Kim ,  Heejean Park ,  Sunhwa Lee ,  Mukyung Jeon

IPC: G09G3/325 ,  G09G3/20 ,  H10K59/35

CPC classification number: G09G3/325 ,  G09G3/2003 ,  H10K59/351 ,  H10K2102/351

Abstract: A display device includes a display area and a peripheral area disposed adjacent to the display area, a display element arranged in the display area, a first semiconductor layer, a gate conductive layer, a first connection electrode layer, and a second connection electrode layer, sequentially arranged on a substrate, and a bias voltage supply line arranged in the peripheral area. The bias voltage supply line includes a top supply line and a bottom supply line arranged on different layers, and the top supply line and the second connection electrode layer are arranged on a same layer.

公开(公告)号：US11862072B2

公开(公告)日：2024-01-02

申请号：US17970623

申请日：2022-10-21

Applicant: Samsung Display Co., Ltd.

Inventor： Minjae Jeong ,  Jangmi Kang ,  Hyeongseok Kim ,  Junhyun Park ,  Mukyung Jeon

IPC: G09G3/32

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

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：US11804171B2

公开(公告)日：2023-10-31

申请号：US17889303

申请日：2022-08-16

Applicant: Samsung Display Co., LTD.

Inventor： Junhyun Park ,  Hyeongseok Kim ,  Jangmi Kang ,  Minjae Jeong ,  Mukyung Jeon

IPC: G09G3/32

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

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：US11776474B2

公开(公告)日：2023-10-03

申请号：US17702136

申请日：2022-03-23

Applicant: Samsung Display Co., Ltd.

Inventor： Yujin Lee ,  Heejean Park ,  Heerim Song ,  Cheol-Gon Lee ,  Mukyung Jeon

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

CPC classification number: G09G3/3233 ,  H10K59/124 ,  H10K59/1216 ,  H10K59/131

Abstract: A pixel includes a driving transistor, a switching transistor, and first and second capacitors. The gate of the driving transistor is disposed below a first insulating layer, and a first conductive pattern defining a first electrode of the first capacitor is disposed below the first insulating layer. A second conductive pattern defining a second electrode of the first capacitor and a first electrode of the second capacitor is disposed on the first insulating layer, a third conductive pattern defining a second electrode of the second capacitor is disposed on a second insulating layer covering the second conductive pattern, and the data line is disposed above the second insulating layer.

公开(公告)号：US11723248B2

公开(公告)日：2023-08-08

申请号：US17352719

申请日：2021-06-21

Applicant: Samsung Display Co., Ltd.

Inventor： Sunhwa Lee ,  Hyeongseok Kim ,  Youngwan Seo ,  Gyungsoon Park ,  Mukyung Jeon ,  Kyunghoon Chung

IPC: H01L21/00 ,  H10K59/131 ,  H10K59/88 ,  H10K59/121 ,  H10K59/122 ,  H10K59/35

CPC classification number: H10K59/131 ,  H10K59/121 ,  H10K59/122 ,  H10K59/88 ,  H10K59/35

Abstract: A display apparatus having a display area enlarged to display an image in an area where a component is arranged includes a substrate including a first area having a transmission portion, and a second area surrounding the first area, a first data line extending in a first direction on the second area, and including a first line and a second line spaced from each other with the first area therebetween, a connection line on the second area, adjacent to, and bypassing, the first area, and including an end connected to the first line, and another end connected to the second line, a pixel circuit on the second area, including a thin-film transistor, and a node connection line electrically connected to the thin-film transistor, and a first pixel electrode above the pixel circuit, wherein the connection line is spaced from the node connection line.