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公开(公告)号：US11887542B2
公开(公告)日：2024-01-30
申请号：US18107681
申请日：2023-02-09
Applicant: Samsung Display Co., LTD.
Inventor： Hee Rim Song , Hee Jean Park , Cheol Gon Lee
IPC: G09G3/3233 , H10K59/60 , H10K59/131 , G06V40/13 , H10K59/126
CPC classification number: G09G3/3233 , G06V40/1318 , H10K59/126 , H10K59/131 , H10K59/60 , G09G2360/14
Abstract: A display includes a light emitting element that emits light, a driving transistor that controls a driving current flowing through the light emitting element, a light sensing element spaced apart from the light emitting element and generating a photocurrent according to external light, a first sensing transistor that controls a sensing current flowing to a readout line according to a voltage of a gate electrode of the first sensing transistor, which is electrically connected to an electrode of the light sensing element, and a shielding electrode disposed around a side of the gate electrode of the first sensing transistor in plan view.
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公开(公告)号：US11114520B2
公开(公告)日：2021-09-07
申请号：US16997420
申请日：2020-08-19
Applicant: Samsung Display Co., LTD.
Inventor： Jang Mi Kang , Cheol Gon Lee , Jae Yong Jang , Mee Hye Jung
Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
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公开(公告)号：US10783832B2
公开(公告)日：2020-09-22
申请号：US15844618
申请日：2017-12-17
Applicant: Samsung Display Co., Ltd.
Inventor： Kyoung Ju Shin , Cheol Gon Lee , Sang Uk Lim , Chang Yong Jeong
IPC: G09G3/3266 , G09G3/325 , G09G3/3275 , G02F1/1343 , G09G3/36 , G11C19/28
Abstract: A scan driver, includes a plurality of stage circuits, each of which includes a driving circuit unit providing an output signal and an inverter inverting the output signal of the driving circuit unit and generating a scan signal, in which the inverter includes a first transistor and a second transistor, which are complementarily operated, the first transistor is a P-type polysilicon transistor, and the second transistor is an N-type oxide semiconductor transistor. A display device may include the scan driver.
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公开(公告)号：US12200992B2
公开(公告)日：2025-01-14
申请号：US18301297
申请日：2023-04-17
Applicant: Samsung Display Co., LTD.
Inventor： Jang Mi Kang , Cheol Gon Lee , Jae Yong Jang , Mee Hye Jung
IPC: H10K59/131 , G06F3/041 , G06F3/044 , H10K50/86 , H10K59/122 , H10K59/40 , H10K59/121
Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
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公开(公告)号：US11508795B2
公开(公告)日：2022-11-22
申请号：US17139676
申请日：2020-12-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Jun Hyun Park , Hyeong Seok Kim , Young Wan Seo , Yu Jin Lee , Cheol Gon Lee
IPC: H01L27/32 , G09G3/3233 , H01L27/12
Abstract: A display device includes a display panel having a general area including first subpixels, and a sensor area including second subpixels and light-transmitting area. Each of the first subpixels and the second subpixels includes a first active layer disposed on a substrate and formed of a first material, a first gate layer disposed on the first active layer, a second gate layer disposed on the first gate layer, a second active layer disposed on the second gate layer and formed of a second material different from the first material, a third gate layer disposed on the second active layer, and a light-blocking layer disposed between the substrate and the first active layer and overlapping the second active layer in a thickness direction.
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Patent Agency Ranking
公开(公告)号：US10991305B2
公开(公告)日：2021-04-27
申请号：US16264199
申请日：2019-01-31
Applicant: Samsung Display Co., Ltd.
Inventor： Jun Hyun Park , Cheol Gon Lee , Yang Hwa Choi
IPC: G09G3/3258 , G09G3/3233 , G09G3/3266
Abstract: An organic light emitting (OLE) display device includes pixels connected to scan lines (SLs), data lines (DLs), and a first control line (FCL) commonly connected to the pixels. Each pixel includes: an OLE diode connected between a first power source (PS) and a second PS; a first transistor (TFT1) connected between the first PS and the OLE diode, a gate electrode (GE) of the TFT1 being connected to a first node (N1); a second transistor (TFT2) connected between the N1 and a second node (N2), a GE of the TFT2 being connected to a SL; a third transistor (TFT3) connected between the N2 and a third node (N3), the N3 being connected between the TFT1 and the OLED, a GE of the TFT3 being connected to the FCL; a first capacitor connected between the first PS and the N1; and a second capacitor connected between the N2 and a DL.
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公开(公告)号：US20210082353A1
公开(公告)日：2021-03-18
申请号：US17093876
申请日：2020-11-10
Applicant: Samsung Display Co. Ltd.
Inventor： Jun Hyun Park , Sun Kwang Kim , Young Wan Seo , Cheol Gon Lee , Yang Hwa Choi
IPC: G09G3/3291 , G09G3/3258 , G09G3/3233 , G09G3/3266
Abstract: A display device includes a data line to which a data voltage is applied, a first driving voltage line to which a first driving voltage is applied, a second driving voltage line to which a second driving voltage is applied, and a pixel connected to the first and second driving voltage lines. The pixel includes a first transistor to control a driving current according to a voltage applied to a first node, a light emitting element between the first transistor and the first driving voltage line, and a capacitor between the first node and the second driving voltage line. The first driving voltage has a first high-level voltage during a first initialization period, the first driving voltage has a first mid-level voltage lower than the first high level voltage during a threshold-voltage-storage period, and the first driving voltage has a first low-level voltage during a second initialization period.
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公开(公告)号：US12002418B2
公开(公告)日：2024-06-04
申请号：US18217960
申请日：2023-07-03
Applicant: Samsung Display Co., Ltd.
Inventor： Cheol Gon Lee , Hee Jean Park , Hee Rim Song , Yu Jin Lee , Mu Kyung Jeon
CPC classification number: G09G3/32 , G06V40/1318 , G09G2300/0413 , G09G2300/0809 , G09G2330/028
Abstract: A display device includes: pixel circuits arranged in a first direction on each of a first pixel row and a second pixel row; dummy sensor circuits arranged in a predetermined interval between the pixel circuits on the first pixel row; sensor circuits arranged in the interval between the pixel circuits on the second pixel row; light emitting elements disposed on the pixel circuits and connected to each of the pixel circuits; first light receiving elements on at least some of the pixel circuits of the first pixel row and the dummy sensor circuits; and second light receiving elements on at least some of the pixel circuits of the second pixel row and the sensor circuits. One of the sensor circuits is connected to at least two of the first light receiving elements and at least two of the second light receiving elements.
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公开(公告)号：US20230315224A1
公开(公告)日：2023-10-05
申请号：US18156370
申请日：2023-01-18
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： YU JIN LEE , Hee Rim Song , Cheol Gon Lee , Mu Kyung Jeon
CPC classification number: G06F3/0412 , G06F3/0416 , G06F3/0421 , G06F2203/04112
Abstract: A display device includes a substrate; a plurality of light emitting units disposed on the substrate; a plurality of light sensing units disposed on the substrate; a pixel defining layer partitioning the plurality of light emitting units and the plurality of light sensing units; and a touch electrode disposed on the pixel defining layer. A shape of a mesh hole defined by the touch electrode and in which the plurality of light sensing units are disposed is defined by the touch electrode, and is different from a shape of a mesh hole in which a first light emitting unit among the plurality of light emitting units is disposed.
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公开(公告)号：US11631733B2
公开(公告)日：2023-04-18
申请号：US17466254
申请日：2021-09-03
Applicant: Samsung Display Co., LTD.
Inventor： Jang Mi Kang , Cheol Gon Lee , Jae Yong Jang , Mee Hye Jung
Abstract: A display device includes a display panel having a display area and a non-display area, signal wires disposed in the display area, connection wires disposed in the display area and electrically connected to the signal wires, and touch electrodes disposed on the connection wires. The connection wires include diagonal portions extending in a diagonal direction, and first protrusion patterns protruding from the diagonal portions of the connection wires. Parts of the first protrusion patterns overlap the touch electrodes.
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