公开(公告)号：US12217685B2

公开(公告)日：2025-02-04

申请号：US18450786

申请日：2023-08-16

Applicant: Samsung Display Co., Ltd.

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

IPC: G09G3/3233 ,  G06F3/041 ,  G06F3/042 ,  G06V40/13

Abstract: A display device includes a plurality of pixels, each of which includes a light emitting element and a pixel driving circuit and a plurality of sensors, each of which includes a light receiving element and a sensor driving circuit. A sensor driving circuit included in at least one of sensors includes a reset transistor configured to output a reset signal to a first sensing node in response to a reset control signal, an amplification transistor connected to first and second sensing nodes and configured to receive a sensor driving voltage, a first output transistor connected between the second sensing node and a readout line and configured to receive a first output control signal, and a second output transistor connected between the second sensing node and the readout line and configured to receive a second output control signal.

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：US12080240B2

公开(公告)日：2024-09-03

申请号：US18335107

申请日：2023-06-14

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Dongwoo Kim ,  Sunghwan Kim ,  Kyoungju Shin ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: G09G3/3233 ,  G01N11/02 ,  G01N27/416 ,  G01N33/18 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/12 ,  H01L29/786 ,  H10K59/121 ,  H10K59/131

CPC classification number: G09G3/3233 ,  G01N11/02 ,  G01N27/4161 ,  G01N27/4166 ,  G01N33/18 ,  G09G3/3266 ,  G09G3/3283 ,  H01L27/1222 ,  H10K59/1216 ,  H10K59/131 ,  G09G2300/0426 ,  G09G2300/0819 ,  G09G2300/0823 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2320/0214 ,  G09G2320/0219 ,  G09G2320/0238 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1255 ,  H01L29/78675 ,  H01L29/7869 ,  H10K59/1213

Abstract: An organic light emitting display device includes a plurality of pixels. Each of the pixels includes an organic light emitting diode, first to third transistors, a storage capacitor, and a first capacitor. The second transistor includes a gate electrode receiving a first scan signal, a first electrode receiving a data signal, and a second electrode connected to a first electrode of the first transistor. The third transistor includes a gate electrode receiving a second scan signal, a first electrode connected to a second electrode of the first transistor, and a second electrode connected to a gate electrode of the first transistor. The storage capacitor includes a first electrode receiving a power voltage and a second electrode connected to the gate electrode of the first transistor. The first capacitor includes a first electrode connected to the gate electrode of the third transistor and a second electrode receiving the power voltage.

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：US11501715B2

公开(公告)日：2022-11-15

申请号：US16908903

申请日：2020-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： Kang Moon Jo ,  Chong Chul Chai ,  Young Wan Seo ,  Cheol-Gon Lee

IPC: G09G3/3266 ,  G09G3/20 ,  G09G3/3258

Abstract: A display device includes a substrate that includes a display area for displaying an image and a non-display area surrounding the display area, a plurality of pixels that are disposed in the display area and each include an organic light emitting diode and a pixel circuit portion configured to operate the organic light emitting diode, and a scan driver that is disposed in the non-display area and includes a plurality of stages configured to output scan signals to the plurality of pixels. The plurality of stages may be arranged in n columns, a height of one stage may correspond to a height of n pixels, and n may be an integer of 2 or more.

公开(公告)号：US10950180B2

公开(公告)日：2021-03-16

申请号：US16272452

申请日：2019-02-11

Applicant: Samsung Display Co., Ltd.

Inventor： Junhyun Park ,  Cheol-Gon Lee ,  Yang-Hwa Choi

IPC: G09G3/32 ,  G09G3/3266 ,  G09G3/3233 ,  G09G3/36 ,  H01L27/32 ,  G09G3/3275

Abstract: A display panel includes a plurality of pixels each including a first transistor between a first node and a second node and having a gate electrode to receive the scan signal, a second transistor between the second node and a third node in series with the first transistor and having a gate electrode to receive the initialization control signal, a driving transistor between the first power voltage providing line and the third node and having a gate electrode connected to the first node, a third transistor between the third node and a fourth node and having a gate electrode to receive the emission control signal, an organic light emitting diode, between the fourth node and the second power voltage providing line, a first capacitor between the first power voltage providing line and the first node, and a second capacitor between the second node and one of the data lines.

公开(公告)号：US20210074786A1

公开(公告)日：2021-03-11

申请号：US17100160

申请日：2020-11-20

Applicant: Samsung Display Co., Ltd.

Inventor： Sang Jin Jeon ,  Cheol-Gon Lee ,  Sang-Uk Lim

IPC: H01L27/32 ,  G09G3/3225

Abstract: A display device includes a substrate; an active pattern disposed on the substrate; a first insulating layer; a first conductive layer disposed on the first insulating layer and having a driving gate electrode; a second insulating layer; a second conductive layer disposed on the second insulating layer and having a first storage electrode; a third insulating layer; a third conductive layer disposed on the third insulating layer and having a second storage electrode; and a light-emitting element disposed on the third conductive layer, wherein the second storage electrode overlaps the first storage electrode via the third insulating layer to form a first capacitor, the first storage electrode overlaps the driving gate electrode via the second insulating layer to form a second capacitor, and the driving gate electrode, the first storage electrode, and the second storage electrode at least partially overlap each other.

公开(公告)号：US20210056909A1

公开(公告)日：2021-02-25

申请号：US16908903

申请日：2020-06-23

Applicant: SAMSUNG DISPLAY CO., LTD.

Inventor： KANG MOON JO ,  Chong Chul Chai ,  Young Wan Seo ,  Cheol-Gon Lee

IPC: G09G3/3266 ,  G09G3/20 ,  G09G3/3258

Abstract: A display device includes a substrate that includes a display area for displaying an image and a non-display area surrounding the display area, a plurality of pixels that are disposed in the display area and each include an organic light emitting diode and a pixel circuit portion configured to operate the organic light emitting diode, and a scan driver that is disposed in the non-display area and includes a plurality of stages configured to output scan signals to the plurality of pixels. The plurality of stages may be arranged in n columns, a height of one stage may correspond to a height of n pixels, and n may be an integer of 2 or more.