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公开(公告)号：US20210181917A1
公开(公告)日：2021-06-17
申请号：US16987323
申请日：2020-08-06
Applicant: Samsung Display Co., Ltd.
Inventor： Yong Jin JEE , Gwang-Bum KO , Sang Hun PARK
Abstract: A touch sensor includes a plurality of touch driving electrodes arranged in each of a plurality of touch driving columns in a column direction, and a plurality of touch sensing electrodes arranged in each of a plurality of touch sensing columns in the column direction, the plurality of touch driving columns and the plurality of touch sensing columns being alternately arranged in a row direction. In each of the plurality of touch driving columns, two or more odd-numbered touch driving electrodes among the plurality of touch driving electrodes are substantially simultaneously driven during a first touch group driving period. In each of the plurality of touch driving columns, two or more even-numbered touch driving electrodes among the plurality of touch driving electrodes are substantially simultaneously driven during a second touch group driving period that is different from the first touch group driving period.
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公开(公告)号：US20230131983A1
公开(公告)日：2023-04-27
申请号：US17746059
申请日：2022-05-17
Applicant: SAMSUNG DISPLAY CO, LTD.
Inventor： Sang Hun PARK , Yun A MA , Mi Hee SON
Abstract: An input sensor includes sensing electrodes, and multiplexers for connecting sensing electrodes corresponding to one group of the sensing electrodes to one output terminal. Each of the multiplexers includes a multiplexer circuit including a plurality of switching transistors, and a shift register array for outputting selection signals for controlling the plurality of switching transistors. Each of the switching transistors includes sub-switching transistors connected in parallel between one of the sensing electrodes corresponding to the one group and the output terminal. The sub-switching transistors are sequentially turned on in response to one of the selection signals.
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公开(公告)号：US20210132719A1
公开(公告)日：2021-05-06
申请号：US16905975
申请日：2020-06-19
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Hun PARK , Soo Won KIM , Il Ho LEE
IPC: G06F3/041 , H01L27/32 , G09G3/3266 , G09G3/3275 , H01L51/52 , G06F3/044
Abstract: A display device includes a display including a plurality of pixels and an input sensor for sensing an input of a user. The display device includes: a driving controller for providing the display with a scan signal and a data signal according to a driving frequency; an input controller for providing a touch driving signal to the input sensor; a horizontal synchronization signal information line connecting the driving controller and the input controller, the horizontal synchronization signal information line transmitting a horizontal synchronization signal therethrough; and a vertical synchronization signal information line connecting the driving controller and the input controller, the vertical synchronization signal information line transmitting a vertical synchronization signal therethrough. Amplitude of the vertical synchronization signal or the horizontal synchronization signal varies according to the driving frequency.
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公开(公告)号：US20220206656A1
公开(公告)日：2022-06-30
申请号：US17411317
申请日：2021-08-25
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sang Hun PARK , Yong Sub SO
Abstract: A display device includes a display substrate having a non-display area at least partially surrounding a display area, and pixels in the display area, and a sensor substrate covering the pixels and a portion of the display substrate. The display device also includes first and second pads in the non-display area, a first sensor on the sensor substrate, a first sensor line connecting the first pad and the first sensor, and a second sensor line connecting the second pad and the first sensor. In addition, the display device includes a sensor transmitter to supply a sensing signal to the first pad during a first period, and a sensor receiver to receive a sampling signal from the second pad during a second period after the first period.
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公开(公告)号：US20160148569A1
公开(公告)日：2016-05-26
申请号：US14691039
申请日：2015-04-20
Applicant: Samsung Display Co., Ltd.
Inventor： Sang Hun PARK , Dong Wan PARK , Myoung Seop SONG
IPC: G09G3/32
CPC classification number: G09G3/3275 , G09G3/3233 , G09G2300/0814 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/021 , G09G2310/0218 , G09G2310/0297 , G09G2310/08 , G09G2320/043
Abstract: An organic light emitting display that defines a plurality of pixels arranged in a matrix form as a plurality of pixel row groups, each of which includes the same number of pixel rows and individually drives the respective pixel row groups. The organic light emitting display includes a display unit including the plurality of pixels, a plurality of data lines, and a plurality of scan lines: a scan driving unit configured to apply scan signals to the plurality of pixels; a data driving unit configured to apply data voltages that are provided to the plurality of pixels to a first output line; and a data distribution unit configured to selectively connect at least two data lines that are continuously arranged to the first output line according to demultiplexing signals. The demultiplexing signals that correspond to the pixel rows included in the respective pixel row groups have different pulse widths.
Abstract translation: 一种有机发光显示器，其将以矩阵形式布置的多个像素定义为多个像素行组，每个像素行组包括相同数量的像素行，并分别驱动各个像素行组。 有机发光显示器包括：包括多个像素的显示单元，多条数据线以及多条扫描线;扫描驱动单元，被配置为向多个像素施加扫描信号; 数据驱动单元，被配置为将提供给所述多个像素的数据电压施加到第一输出线; 以及数据分配单元，被配置为根据解复用信号选择性地连接至少两条连续排列到第一输出线的数据线。 对应于包括在各个像素行组中的像素行的解复用信号具有不同的脉冲宽度。
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Patent Agency Ranking
公开(公告)号：US20250061850A1
公开(公告)日：2025-02-20
申请号：US18624412
申请日：2024-04-02
Applicant: Samsung Display Co., Ltd.
Inventor： Bo Hwan LEE , Sang Hun PARK , Yong Sub SO , Da Eun YI
IPC: G09G3/3225 , G06F3/041 , G06F3/044
Abstract: A display device includes a display unit including a plurality of pixels connected to an initialization line and a first power source line, a sensor unit provided on the display unit and including a plurality of driving electrodes, a sensor driver providing a touch driving voltage to a plurality of driving lines connected to the plurality of driving electrodes, a power supply providing an initialization voltage to the initialization line and providing a first power source voltage to the first power source line, and a compensation circuit compensating for the initialization voltage.
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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：US20230094855A1
公开(公告)日：2023-03-30
申请号：US17887318
申请日：2022-08-12
Applicant: Samsung Display Co., LTD.
Inventor： Yong Sub SO , Ji Hoon KIM , Sang Hun PARK
Abstract: A display device includes: a display panel; a sensor unit on the display panel; a touch driver including a signal processor configured to output a final touch point coordinate using a touch sensing signal received from the sensor unit; and an application processor configured to provide filter size information to the touch driver, wherein the signal processor includes a jitter remover configured to receive a current touch point coordinate from a coordinate calculator and to output the final touch point coordinate from which a jitter component is removed by filtering with a jitter filter, and wherein the jitter remover includes a filter size determiner configured to vary a range of the jitter filter in response to the filter size information.
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公开(公告)号：US20240370115A1
公开(公告)日：2024-11-07
申请号：US18508163
申请日：2023-11-13
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong JUNG , Jang Hui KIM , Sang Hun PARK , Yong Sub SO , Da Eun YI , Bo Hwan LEE , Byeong Kyu JEON
Abstract: A touch device includes a touch panel including touch electrodes, and a touch driver adjacent to the touch panel, configured to sense a touch of a user, configured to transmit uplink signals including position information of the touch electrodes to an active pen through at least some of the touch electrodes in a first touch period, and configured to receive a sensing signal including position information of the active pen, which is calculated using the uplink signals, from the active pen in a second touch period after the first touch period.
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公开(公告)号：US20170132975A1
公开(公告)日：2017-05-11
申请号：US15338481
申请日：2016-10-31
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Sang Hun PARK , Dong Wan PARK , Jae Won KIM , Sang Jin PAK
IPC: G09G3/3241 , G09G3/3266 , G09G3/3291
CPC classification number: G09G3/3241 , G09G3/3233 , G09G3/3266 , G09G3/3291 , G09G2300/0819 , G09G2300/0852 , G09G2300/0861 , G09G2310/0272 , G09G2310/08 , G09G2320/0233 , G09G2320/0276 , G09G2320/045 , G09G2320/0626 , G09G2320/0666 , G09G2330/021 , G09G2330/028
Abstract: An organic light emitting display device includes a data driver, a pixel unit, a timing controller, and a power generator. The data driver generates data signals to be supplied to data lines based on gamma voltages. The pixel unit controls the amount of current flowing from a first power supply to a second power supply in each of a plurality of pixels based on the data signals and a reference power voltage. The timing controller limits the maximum brightness of the pixel unit corresponding to a plurality of dimming levels. The first power generator changes the voltage of the first power supply corresponding to the dimming levels.
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