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公开(公告)号：US10446069B2
公开(公告)日：2019-10-15
申请号：US16228679
申请日：2018-12-20
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seung-kyu Lee , Kwang-min Kim , Jongwon Park
IPC: G09G3/00 , G01N21/958 , H05K1/02
Abstract: A display device includes a display panel, a first inspection line, a second inspection line, and an inspection circuit controlling a connection between the first inspection line and a first pixel group and a connection between the second inspection line and the second pixel group. The inspection circuit includes a switching part including a first switching part that controls the connection between the first inspection line and the first pixel group and a second switching part that controls the connection between the second inspection line and the second pixel group and a dummy circuit including a dummy transistor that is electrically connected to the switching part and including a first dummy electrode, a second dummy electrode that is connected to the first dummy electrode, and a dummy control electrode.
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公开(公告)号：US20190393275A1
公开(公告)日：2019-12-26
申请号：US16562987
申请日：2019-09-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seungkyu Lee , Wonkyu Kwak , Jongwon Park
Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.
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公开(公告)号：US11017699B2
公开(公告)日：2021-05-25
申请号：US16256963
申请日：2019-01-24
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seung-Kyu Lee
Abstract: A display panel may include a plurality of pixel groups, a first lighting test circuit for testing at least one pixel of the plurality of pixel groups, a demultiplexer for providing data signals to the plurality of pixel groups, and a second lighting test circuit for testing one or more pixels of the plurality of pixel groups. At least one of the first lighting test circuit and the demultiplexer is positioned between the plurality of pixel groups and the second lighting test circuit.
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公开(公告)号：US10686018B2
公开(公告)日：2020-06-16
申请号：US16562987
申请日：2019-09-06
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Seungkyu Lee , Wonkyu Kwak , Jongwon Park
Abstract: A display device and a method of manufacturing the display device are provided. A display device includes: a plurality of first emission areas and a plurality of second emission areas alternately arranged at centers of virtual quadrangles aligned adjacent to each other in a row direction and a column direction; and a plurality of third areas respectively arranged at vertexes of the virtual quadrangles, and a difference between planar areas of the first to third emission areas is less than 25% of a largest planar area among the planar areas of the first to third emission areas.
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公开(公告)号：US12052888B2
公开(公告)日：2024-07-30
申请号：US17141001
申请日：2021-01-04
Applicant: Samsung Display Co., Ltd.
Inventor： Youngjin Cho , Hyunwoong Kim , Joong-soo Moon , Seung-kyu Lee , Yangwan Kim
IPC: H10K59/126 , G09G3/3225 , G09G3/3266 , G09G3/3275 , H10K59/121 , H10K59/131
CPC classification number: H10K59/1213 , G09G3/3225 , G09G3/3266 , G09G3/3275 , H10K59/126 , H10K59/131
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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Patent Agency Ranking
公开(公告)号：US12050752B2
公开(公告)日：2024-07-30
申请号：US18077163
申请日：2022-12-07
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Kwang-min Kim , Kiwook Kim , Yangwan Kim , Jisu Na
CPC classification number: G06F3/0446 , G06F3/0443 , H10K59/40 , G06F2203/04111
Abstract: A display device including a display panel and an input sensor including a sensing region and a wiring region, the input sensor including a first sensing electrode, a second sensing electrode, a first signal line electrically connected to a first end of the first sensing electrode, a second end thereof being electrically isolated, and second and third signal lines electrically connected to ends of the second sensing electrode, respectively, in which a total distance between the ends of the second sensing electrode is greater than that between the ends of the first sensing electrode, the second sensing electrode includes sensor parts formed from a same layer as the first sensing electrode and bridge patterns formed from a different layer from the sensor parts, and each of the first end and the second end of the second sensing electrode is configured to receive a sinusoidal signal.
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公开(公告)号：US10304921B2
公开(公告)日：2019-05-28
申请号：US15923507
申请日：2018-03-16
Applicant: Samsung Display Co., Ltd.
Inventor： Wonse Lee , Hyunwoong Kim , Joong-Soo Moon , Ae Shin , Ji-eun Lee , Kwangmin Kim , Seungkyu Lee
IPC: H01L27/32 , H01L51/00 , G09G3/3225 , G09G3/3266
Abstract: A display panel may include a detection line overlapped with a non-display region, detection pads connected to the detection line, and an input line connecting an input pad of the detection pads to the detection line. The detection line may include a first portion, which is provided at a level different from a level of the input line and includes an end connected to the input line through a first contact hole in a first contact region, and a second portion, which is provided at a level different from the level of the first portion and is connected to the first portion through a second contact hole in a second contact region. A distance between the first and second portions in a non-contact region may be less than a distance between the first contact hole and the second portion.
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公开(公告)号：US11550437B2
公开(公告)日：2023-01-10
申请号：US16551641
申请日：2019-08-26
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunwoong Kim , Kwang-min Kim , Kiwook Kim , Yangwan Kim , Jisu Na
Abstract: A display device including a display panel and an input sensor disposed on the display panel and including signal line groups arranged in a wiring region, and first and second sensing electrodes disposed in a sensing region, each of the first and second sensing electrodes having one end electrically connected to a corresponding signal line, in which the second sensing electrodes have a greater length than the first sensing electrodes, the signal line groups include first and second signal line groups electrically connected to the first and second sensing electrodes, respectively, each of the first sensing electrodes includes first bridge patterns overlapping the second sensing electrodes and disposed on a different layer from the second sensing electrodes, and one of the first sensing electrodes or the second sensing electrodes are configured to receive a sinusoidal signal.
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公开(公告)号：US10943965B2
公开(公告)日：2021-03-09
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 , G09G3/3275 , G09G3/3225 , G09G3/3266
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：US10553668B2
公开(公告)日：2020-02-04
申请号：US16387968
申请日：2019-04-18
Applicant: Samsung Display Co., Ltd.
Inventor： Wonse Lee , Hyunwoong Kim , Joong-Soo Moon , Ae Shin , Ji-eun Lee , Kwangmin Kim , Seungkyu Lee
IPC: H01L27/32 , H01L51/00 , G09G3/3225 , G09G3/3266
Abstract: A display panel may include a detection line overlapped with a non-display region, detection pads connected to the detection line, and an input line connecting an input pad of the detection pads to the detection line. The detection line may include a first portion, which is provided at a level different from a level of the input line and includes an end connected to the input line through a first contact hole in a first contact region, and a second portion, which is provided at a level different from the level of the first portion and is connected to the first portion through a second contact hole in a second contact region. A distance between the first and second portions in a non-contact region may be less than a distance between the first contact hole and the second portion.
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