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公开(公告)号：US20220293691A1
公开(公告)日：2022-09-15
申请号：US17827762
申请日：2022-05-29
Applicant: Samsung Display Co., Ltd.
Inventor： Joong-Soo MOON , Kwang-Min KIM , Yangwan KIM , Keunsoo LEE , Youngjin CHO
Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.
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公开(公告)号：US20210050405A1
公开(公告)日：2021-02-18
申请号：US17087480
申请日：2020-11-02
Applicant: Samsung Display Co., Ltd.
Inventor： Jisu NA , Yangwan KIM , Minwoo BYUN
Abstract: A display panel includes: a substrate including: a first region; a second region; a non-display area surrounding the first region and the second region; and a display area surrounding the non-display area; a plurality of pixels in the display area; a plurality of wirings configured to supply signals to the plurality of pixels; a load matching area connected to first wirings of the wirings, the load matching area including load units in the non-display area; and a dummy area including a plurality of dummy units spaced apart from the load units in the non-display area, wherein each of the load units comprises a load semiconductor layer, a first load conductive layer, and a second load conductive layer which at least partially overlap each other with an insulating layer therebetween, and the load semiconductor layer is connected to the second load conductive layer via a first contact hole.
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公开(公告)号：US20200081583A1
公开(公告)日：2020-03-12
申请号：US16566946
申请日：2019-09-11
Applicant: Samsung Display Co., Ltd.
Inventor： Jisu NA , Kwangmin Kim , Kiwook KIM , Yangwan KIM
IPC: G06F3/044 , H01L27/32 , G06F3/041 , G09G3/3266
Abstract: A display device includes an input sensor having sensing electrodes disposed in a sensing area and signal lines. Each of the signal lines is connected to a corresponding electrode of the sensing electrodes and disposed in the line area. One signal line of the signal lines includes a first portion having a constant width, a second portion disposed outside a corner area of the sensing area, extending from the first portion, and having a width gradually increasing in a direction that is away from the first portion, a third portion extending from the second portion and having a width gradually varying in a direction that is away from the second portion, and a fourth portion extending from the third portion and having a constant width.
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公开(公告)号：US20250031534A1
公开(公告)日：2025-01-23
申请号：US18374810
申请日：2023-09-29
Applicant: Samsung Display Co., Ltd.
Inventor： Youngjin CHO , Yangwan KIM , Joong-Soo MOON , Minwoo BYUN , Changkyu JIN
IPC: H10K59/131 , G06F3/041 , G06F3/044 , H01L27/12 , H05K1/14 , H05K1/18 , H10K50/844 , H10K59/123 , H10K59/124 , H10K59/40 , H10K77/10 , H10K102/00
Abstract: An electronic apparatus includes a base substrate having an active area and a peripheral area adjacent to the active area. A plurality of pixels is disposed on the active area. The electronic apparatus also includes a plurality of power lines connected to the pixels. A power pad is disposed on a peripheral area and is configured to receive a power voltage. A power pattern is disposed on the peripheral area and connecting the power lines to the power pad. A plurality of sensing electrodes is disposed on the pixels in the active area. A plurality of sensing pads is disposed on the peripheral area and is electrically connected to the sensing electrodes. The sensing pads overlap with the power pattern.
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公开(公告)号：US20230145269A1
公开(公告)日：2023-05-11
申请号：US17979975
申请日：2022-11-03
Applicant: Samsung Display Co., LTD.
Inventor： Kyonghwan OH , Chulkyu KANG , Jintae JEONG , Kimyeong EOM , Jaehoon LEE , Soon-Gi KWON , Yangwan KIM , Minku LEE
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2300/0819 , G09G2300/0852 , G09G2300/0426
Abstract: A pixel of a display apparatus includes a light emitting element, a first transistor, a second transistor, a first capacitor, and a second capacitor. The first transistor applies a driving current to the light emitting element. The second transistor transmits a data voltage. The first capacitor includes a first end electrically connected to a control electrode of the first transistor, and a second end electrically connected to an output electrode of the second transistor. The second capacitor includes a first end electrically connected to the output electrode of the second transistor, and a second end electrically connected to an output electrode of the first transistor.
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公开(公告)号：US20230119632A1
公开(公告)日：2023-04-20
申请号：US17970261
申请日：2022-10-20
Applicant: Samsung Display Co., Ltd.
Inventor： Soongi KWON , Wonkyu KWAK , Jihyun KA , Chulkyu KANG , Yangwan KIM , Kimyeong EOM , Kyonghwan OH , Minku LEE , Jintae JEONG
IPC: G09G3/3233
Abstract: A pixel capable of adjusting a threshold voltage of a driving transistor, the pixel including: a display element configured to emit light during an emission period and including an anode and a cathode, the first transistor including an upper gate and a lower gate and configured to control a magnitude of a driving current flowing to the display element, a storage capacitor connected to the upper gate of the first transistor, and a second transistor configured to be turned on during a data writing period to transmit a data voltage to the first transistor, wherein a lower gate-source voltage of the first transistor has a first voltage level in the data writing period and a second voltage level in the emission period.
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公开(公告)号：US20200027939A1
公开(公告)日：2020-01-23
申请号：US16406825
申请日：2019-05-08
Applicant: Samsung Display Co., Ltd.
Inventor： Youngjin CHO , Hyunwoong KIM , Joong-soo MOON , Seung-kyu LEE , Yangwan KIM
IPC: H01L27/32 , G09G3/3225 , G09G3/3266 , G09G3/3275
Abstract: Provided is pixel including a first transistor including a first drain region electrically connected to a light emitting diode, a first gate electrode, a first channel region overlapping the first gate electrode, and a first source region, a first sub-transistor including a first sub-gate electrode, a first sub-channel region overlapping the first sub-gate electrode, a first sub-drain region connected to the first gate electrode, and a first sub-source region, a second sub-transistor including a second sub-gate electrode, a second sub-channel region overlapping the second sub-gate electrode, a second sub-drain region connected to the first sub-source region, and a second sub-source region, and a shielding pattern overlapping the first sub-source region and the second sub-drain region and not overlapping the first sub-channel region, wherein a width of the first sub-channel region is greater than a width of the second sub-channel region.
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公开(公告)号：US20190006442A1
公开(公告)日：2019-01-03
申请号：US15823613
申请日：2017-11-28
Applicant: Samsung Display Co, Ltd.
Inventor： Minwoo BYUN , Keonwoo KIM , Mangi KIM , Donghyun LEE , Byeongguk JEON , Byungsun KIM , Yangwan KIM , Hyungjun PARK , Sujin LEE , Jaeyong LEE
Abstract: Provided is a display device including: a substrate; a plurality of display elements defining a display area on the substrate and each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; a power supply wiring disposed outside the display area; an organic insulating layer on the power supply wiring and having an opening exposing the power supply wiring; a power supply electrode layer partially disposed on the organic insulating layer and including a plurality of holes over the organic insulating layer, wherein a first portion of the power supply electrode layer overlaps the power supply wiring and a second portion of the power supply electrode layer overlaps the opposite electrode; a plurality of protrusions spaced apart from each other and respectively covering at least some of the plurality of holes; and an encapsulation layer covering the plurality of display elements.
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公开(公告)号：US20230337481A1
公开(公告)日：2023-10-19
申请号：US18336904
申请日：2023-06-16
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Youngjin CHO , Jisu NA , Joong-Soo MOON , Yangwan KIM
IPC: H10K59/124 , G09G3/3266 , H10K59/131 , H10K59/121
CPC classification number: H10K59/124 , G09G3/3266 , H10K59/131 , H10K59/1213
Abstract: A display device includes: a base layer including an active area and a non-active area adjacent to the active area; a display circuit layer including a pixel circuit at the active area of the base layer, and a driving circuit at the non-active area, the driving circuit to supply a driving signal to the pixel circuit; and a display element layer on the display circuit layer and including light emitting elements to emit light. The non-active area includes a valley area formed by removing a portion of an organic insulation layer at the display circuit layer, the driving circuit includes a buffer transistor to output the driving signal, and the buffer transistor includes a control electrode and a semiconductor layer overlapping the valley area in a plan view.
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公开(公告)号：US20230276679A1
公开(公告)日：2023-08-31
申请号：US18143074
申请日：2023-05-04
Applicant: Samsung Display Co., Ltd.
Inventor： Joong-Soo MOON , Kwang-Min KIM , Yangwan KIM , Keunsoo LEE , Youngjin CHO
IPC: H10K59/40 , G06F3/044 , H10K50/125 , H10K59/131
CPC classification number: H10K59/40 , G06F3/0443 , H10K50/125 , H10K59/131 , G06F2203/04111 , G06F2203/04112
Abstract: A display device may include a display panel and an input sensor. Mesh lines of the input sensor may include first mesh lines extending in a first direction and second mesh lines extending in a second direction crossing the first direction. The first mesh lines and the second mesh lines may cross each other at a plurality of cross points. In a unit region of the sensing electrode, first cutting points may be defined in the first mesh lines and the second mesh lines, and second cutting points may be defined in the first mesh lines and the second mesh lines.
