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公开(公告)号：US20210043686A1
公开(公告)日：2021-02-11
申请号：US16849777
申请日：2020-04-15
Applicant: Samsung Display Co., Ltd.
Inventor： Suk KIM , Yu Na KIM , Soo Jung LEE , Keum Dong JUNG , Go Eun CHA
Abstract: A display device is provided. The display device includes a first substrate, a first detection electrode on the first substrate, a first bank including an opening that exposes the first detection electrode, a photosensitive layer on the first detection electrode, a second detection electrode on the photosensitive layer, a first electrode on the second detection electrode, a second bank including an opening that exposes the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a first optical system between the second detection electrode and the first electrode, and a second optical system on the second electrode, wherein the first optical system and the second optical system overlap the photosensitive layer in a thickness direction of the display device.
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公开(公告)号：US20250053264A1
公开(公告)日：2025-02-13
申请号：US18596999
申请日：2024-03-06
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Jang Hui KIM , Ji Hoon KIM
Abstract: A touch system may include a touch array including touch electrodes, a touch driver configured to apply touch driving signals including different codes to the touch electrodes to thereby transmit uplink signals to objects adjacent to the touch array, at least one sub-host connected to at least one object among the objects through a communication channel, and configured to receive, from the at least one object, position information corresponding to the at least one object through the communication channel, and a main host configured to receive the position information corresponding to the at least one object through the at least one sub-host.
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公开(公告)号：US20240310949A1
公开(公告)日：2024-09-19
申请号：US18495545
申请日：2023-10-26
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Sang Hun PARK , Yong Sub SO , Da Eun YI , Bo Hwan LEE , Byeong Kyu JEON
CPC classification number: G06F3/04166 , G06F3/044
Abstract: A display device includes: a touch sensing unit on a front surface of an image display area and configured to sense a location of a touch; a display driver circuit configured to select one of first to third temperature sensing modes during a predetermined temperature sensing period and to generate at least one of first to third mode sensing control signals according to the selected temperature sensing mode; and a touch driver circuit configured to generate at least one of first to third temperature sensing map data in response to at least one of the first to third mode sensing control signals, wherein the display driver circuit is configured to compensate for image data based on at least one of the first to third temperature sensing map data and to display an image according to the compensated image data in the display area.
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公开(公告)号：US20230051918A1
公开(公告)日：2023-02-16
申请号：US17750566
申请日：2022-05-23
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Ji Woong KIM , Oh Jo KWON , Kyung Tea PARK , Keum Dong JUNG , Sang Hyun HEO
Abstract: An input sensing unit includes a touch sensing unit, which includes a plurality of driving electrodes, a plurality of sensing electrodes, and a driving signal generating unit which provides driving signals to the driving electrodes. The sensing electrodes are insulated from and intersect the driving electrodes. The driving signal generating, unit includes touch drivers connected to driving electrodes and a digital-to-analog converter configured to provide a first signal or a second signal, and each of the touch drivers is connected to a preset number of driving electrodes among the driving electrodes.
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公开(公告)号：US20220335871A1
公开(公告)日：2022-10-20
申请号：US17500875
申请日：2021-10-13
Inventor： Seong Joo LEE , Seok Tae KOH , Gyeong Gu KANG , Oh Jo KWON , Hyun Sik KIM , Gyu Wan LIM , Keum Dong JUNG
IPC: G09G3/20
Abstract: An output buffer is disclosed that includes: a buffer circuit that outputs an output signal to an output terminal based on a first input signal provided to a first input terminal and a second input signal provided to a second input terminal; and a current supply circuit that is connected in parallel to the buffer circuit, and provides an auxiliary current to the output terminal based on the first input signal and the second input signal.
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Patent Agency Ranking
公开(公告)号：US20220085109A1
公开(公告)日：2022-03-17
申请号：US17532466
申请日：2021-11-22
Applicant: Samsung Display Co., Ltd.
Inventor： Suk KIM , Yu Na KIM , Soo Jung LEE , Keum Dong JUNG , Go Eun CHA
Abstract: A display device is provided. The display device includes a first substrate, a first detection electrode on the first substrate, a first bank including an opening that exposes the first detection electrode, a photosensitive layer on the first detection electrode, a second detection electrode on the photosensitive layer, a first electrode on the second detection electrode, a second bank including an opening that exposes the first electrode, a light emitting layer on the first electrode, a second electrode on the light emitting layer, a first optical system between the second detection electrode and the first electrode, and a second optical system on the second electrode, wherein the first optical system and the second optical system overlap the photosensitive layer in a thickness direction of the display device.
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公开(公告)号：US20210026497A1
公开(公告)日：2021-01-28
申请号：US16830015
申请日：2020-03-25
Applicant: Samsung Display Co., Ltd.
Inventor： Soo Jung LEE , Suk KIM , Ki Seo KIM , Yu Na KIM , Keum Dong JUNG , Go Eun CHA
IPC: G06F3/044
Abstract: A display device includes: a display panel which includes a first area and a second area; and a sensor device which overlaps the first area in a thickness direction of the display panel. The display panel includes first sensor electrodes in the first area and second sensor electrodes in the second area, and a shape of a first sensor electrode of the first sensor electrodes is different from a shape of a second sensor electrode of the second sensor electrodes.
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公开(公告)号：US20210026493A1
公开(公告)日：2021-01-28
申请号：US16924078
申请日：2020-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Chul KIM , Soo Jung LEE , Keum Dong JUNG
IPC: G06F3/044 , H01L27/32 , G06F3/0354 , G06K9/00
Abstract: Provided are a pen sensing unit and a display device. The pen sensing unit comprises a first pen line extending in a first direction; a pen scan line extending in a second direction intersecting the first direction; and a pen sensor member connected to the first pen line and the pen scan line and configured to sense input from a pen, wherein the pen sensor member comprises a pen sensor and a pen sensor circuit connected to a first end of the pen sensor, and the pen sensor circuit comprises a first thin film transistor.
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公开(公告)号：US20190138123A1
公开(公告)日：2019-05-09
申请号：US16004447
申请日：2018-06-11
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Ki Seo Kim , II Nam Kim , Kyung Tea Park , Yun Ho Kim , Jae Kyoung Kim , Won Sang Park , Jong In Baek
Abstract: A fingerprint sensor including first, second, and third lines, and a unit sensor coupled to the first, the second, and the third lines. The unit sensor includes a pixel electrode coupled between the first line and the second line, a first capacitance element coupled between the first line and the pixel electrode, a second capacitance element coupled between the second line and the pixel electrode, a switching element coupled between the pixel electrode and one of the first line, the second line, a first line of an adjacent unit sensor, and a second line of the adjacent unit sensor, and including a control electrode coupled to the third line, and a third capacitance element coupled between the third line and the pixel electrode, in which at least one of the first and the second capacitance elements includes a variable capacitance element.
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公开(公告)号：US20170010508A1
公开(公告)日：2017-01-12
申请号：US15137528
申请日：2016-04-25
Applicant: Samsung Display Co. Ltd.
Inventor： Keum Dong JUNG
IPC: G02F1/1343 , G02F1/1368
CPC classification number: G02F1/13439 , G02F1/136213 , G02F1/136227 , G02F2001/134345 , G02F2001/136218
Abstract: A liquid crystal display includes a first substrate, a second substrate disposed to face the first substrate and including a common electrode, and a liquid crystal layer interposed between the first and second substrates, where the first substrate includes an insulating substrate, a thin-film transistor which is disposed on the insulating substrate and include a gate electrode, a first pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor and charges a first voltage, a second pixel electrode which is disposed on the insulating substrate to be spaced apart from the thin film transistor, is disposed in a same layer as the first pixel electrode, and receives a second voltage having a magnitude different from the first voltage, and a storage electrode disposed on the same layer as the gate electrode and to overlap a portion of the second pixel electrode.
Abstract translation: 液晶显示器包括：第一基板，设置成面对第一基板并包括公共电极的第二基板;以及介于第一和第二基板之间的液晶层，其中第一基板包括绝缘基板，薄膜 晶体管，其设置在所述绝缘基板上并且包括栅极电极，所述第一像素电极设置在所述绝缘基板上以与所述薄膜晶体管间隔开并对其施加第一电压;第二像素电极，设置在所述绝缘 与薄膜晶体管隔开的衬底设置在与第一像素电极相同的层中，并且接收具有与第一电压不同的幅度的第二电压，以及设置在与栅电极相同的层上的存储电极 并且与第二像素电极的一部分重叠。
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