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公开(公告)号：US11947764B2
公开(公告)日：2024-04-02
申请号：US17750566
申请日：2022-05-23
发明人： Ji Woong Kim , Oh Jo Kwon , Kyung Tea Park , Keum Dong Jung , Sang Hyun Heo
CPC分类号： G06F3/0446 , G06F3/04166 , H03M1/662
摘要： 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：US20230305657A1
公开(公告)日：2023-09-28
申请号：US18075845
申请日：2022-12-06
发明人： Keum Dong JUNG , Oh Jo Kwon , Ji Woong Kim , Hyung Gun Ma , Seong An Park , Sang Hyun Heo
CPC分类号： G06F3/0418 , G06F1/04 , G06F3/0446
摘要： A sensor device including: first sensors; second sensors configured to form capacitances with the first sensors; a sensor transmitter connected to the first sensors and configured to supply driving signals having a first frequency to the first sensors; and a sensor receiver connected to the second sensors and configured to receive sensing signals from the second sensors, wherein the sensor receiver includes: a multipath filter having a center frequency set to the first frequency; and a first chopper integrator connected to the multipath filter, and having a center frequency set to the first frequency.
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公开(公告)号：US09576536B2
公开(公告)日：2017-02-21
申请号：US14218956
申请日：2014-03-18
发明人： Oh Jo Kwon , Kyung Youl Min , Choong Sun Shin , Hee Sun Ahn , Hyun Sik Kim , Jun Suk Bang , Gyu Hyeong Cho
CPC分类号： G09G3/3291 , G09G2300/0814 , G09G2300/0819 , G09G2320/0295
摘要： A display device according to an embodiment of the present invention includes: a pixel configured to emit light according to a data signal supplied to a data line, a power source voltage supplier configured to supply a power source voltage to the pixel, a driving transistor configured to drive the pixel to be emitted according to the data signal and the power source voltage, and a sensor configured to supply a test signal to a data line and to detect a sensing current flowing to the data line through the driving transistor according to the test signal.
摘要翻译： 根据本发明的实施例的显示装置包括：被配置为根据提供给数据线的数据信号发光的像素，被配置为向像素提供电源电压的电源电压供给器，被配置为 根据数据信号和电源电压驱动要发射的像素;以及传感器，被配置为向数据线提供测试信号，并且根据测试来检测流过驱动晶体管的数据线的感测电流 信号。
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4.发明申请NON-LINEAR GAMMA COMPENSATION CURRENT MODE DIGITAL-ANALOG CONVERTOR AND DISPLAY DEVICE INCLUDING THE SAME 审中-公开非线性伽马补偿电流模式数字模拟转换器和包括其的显示装置公开(公告)号：US20150091784A1
公开(公告)日：2015-04-02
申请号：US14218952
申请日：2014-03-18
发明人： Oh Jo Kwon , Kyung Youl Min , Choong Sun Shin , Hee Sun Ahn , Hyun Sik Kim , Jun Suk Bang , Gyu Hyeong Cho
CPC分类号： H03M1/72 , G09G3/3275 , G09G2320/0276 , G09G2320/043 , G09G2320/0673
摘要： A non-linear gamma compensation current mode digital-analog converter includes: a first digital-analog converter block configured to: receive a digital signal, a first reference voltage, and a gamma adjustment voltage, and provide a reference current to a ground, wherein a first current flowing to a first current output terminal is determined according to the digital signal and the gamma adjustment voltage; and a second digital-analog converter block configured to: receive the digital signal, a second reference voltage, and a ground voltage, and provide the first current to the first digital-analog converter, wherein a second current flowing to a second current output terminal is determined according to the digital signal and the first current.
摘要翻译： 非线性伽马补偿电流模式数模转换器包括：第一数模转换器模块，被配置为：接收数字信号，第一参考电压和伽马调整电压，并向地面提供参考电流，其中 根据数字信号和伽马调整电压确定流向第一电流输出端的第一电流; 以及第二数模转换器模块，被配置为：接收数字信号，第二参考电压和接地电压，并将第一电流提供给第一数模转换器，其中流过第二电流输出端的第二电流 根据数字信号和第一电流来确定。
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公开(公告)号：US11900870B2
公开(公告)日：2024-02-13
申请号：US17510120
申请日：2021-10-25
发明人： Hyungryul Kang , Oh Jo Kwon , Yoshimura Hideo , Bong-Hyun You , Jaekeun Lim
IPC分类号： G09G3/30 , G09G3/3225 , G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3225 , G09G3/3266 , G09G3/3275 , G09G2310/08
摘要： A display device includes: a display panel including a plurality of pixels; a scan driver connected to the plurality of pixels through a plurality of scan lines; a data driver connected to the plurality of pixels through a plurality of data lines; an emission driver connected to the plurality of pixels through a plurality of emission control lines; a sensing circuit connected to the plurality of pixels through a plurality of sensing lines; and a controller configured to control the scan driver, the data driver, the emission driver and the sensing circuit, wherein, in an active period of each frame period, the scan driver sequentially applies a sensing pulse and a scan pulse to at least one scan line of the plurality of scan lines, and applies the scan pulse to remaining scan lines of the plurality of scan lines.
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公开(公告)号：US11837132B2
公开(公告)日：2023-12-05
申请号：US17500875
申请日：2021-10-13
发明人： Seong Joo Lee , Seok Tae Koh , Gyeong Gu Kang , Oh Jo Kwon , Hyun Sik Kim , Gyu Wan Lim , Keum Dong Jung
IPC分类号： G09G3/20
CPC分类号： G09G3/20 , G09G2300/0426 , G09G2300/0809 , G09G2300/0828 , G09G2310/0243 , G09G2310/0272 , G09G2310/0291 , G09G2310/08
摘要： 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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7.发明授权公开(公告)号：US11501718B2
公开(公告)日：2022-11-15
申请号：US17166482
申请日：2021-02-03
发明人： Hyung Gun Ma , Oh Jo Kwon , Ji Woong Kim , Jun Yong Song , Seong Joo Lee , Sang Hyun Heo
IPC分类号： G09G3/3275 , H03M1/66 , G09G3/32
摘要： A digital-analog converter of the disclosure converts digital image data to generate analog data signals. The digital-analog converter includes a voltage divider which generates a plurality of gamma reference voltages based on a first reference voltage and a second reference voltage; a global ramp including a plurality of gamma decoders which generates a plurality of global gamma voltages based on the gamma reference voltages; a decoder which selects one of the global gamma voltages according to the digital image data to generate the analog data signals; and a ramp controller which turns off at least some of the gamma decoders based on the digital image data.
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公开(公告)号：US11322096B2
公开(公告)日：2022-05-03
申请号：US17197550
申请日：2021-03-10
发明人： Seong Joo Lee , Oh Jo Kwon , Ji Woong Kim , Hyung Gun Ma , Jun Yong Song , Sang Hyun Heo
IPC分类号： G09G3/3275 , G09G3/3266
摘要： A data driver includes: a signal generator which includes a staircase waveform gray voltage signal generator which generate a plurality of staircase waveform gray voltage signals using a lowest gamma reference voltage, a highest gamma reference voltage, and a plurality of gamma voltages having a magnitude between the lowest gamma reference voltage and the highest gamma reference voltage; and a channel driver which includes a decoder which output one staircase waveform gray voltage signal selected from the staircase waveform gray voltage signals, an output circuit which output a gray voltage corresponding to the selected staircase waveform gray voltage signal, and a reset unit which supplies one of the gamma voltages to the output circuit as a reset voltage.
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9.发明申请公开(公告)号：US20220013070A1
公开(公告)日：2022-01-13
申请号：US17166482
申请日：2021-02-03
发明人： Hyung Gun Ma , Oh Jo Kwon , Ji Woong Kim , Jun Yong Song , Seong Joo Lee , Sang Hyun Heo
IPC分类号： G09G3/3275 , H03M1/66
摘要： A digital-analog converter of the disclosure converts digital image data to generate analog data signals. The digital-analog converter includes a voltage divider which generates a plurality of gamma reference voltages based on a first reference voltage and a second reference voltage; a global ramp including a plurality of gamma decoders which generates a plurality of global gamma voltages based on the gamma reference voltages; a decoder which selects one of the global gamma voltages according to the digital image data to generate the analog data signals; and a ramp controller which turns off at least some of the gamma decoders based on the digital image data.
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公开(公告)号：US20180357958A1
公开(公告)日：2018-12-13
申请号：US16105862
申请日：2018-08-20
发明人： Oh Jo Kwon , Joo Hyung Lee , Kyung Youl Min
IPC分类号： G09G3/3233 , G09G3/3275
CPC分类号： G09G3/3233 , G09G3/3275 , G09G3/3291 , G09G2300/0819 , G09G2300/0842 , G09G2300/0861 , G09G2310/0251 , G09G2310/027 , G09G2310/0291 , G09G2310/0297 , G09G2320/0233 , G09G2320/0257 , G09G2320/029 , G09G2320/045 , G09G2330/12
摘要： An organic light-emitting display includes: a display panel including first and second pixels, each having an organic light-emitting diode; and a data driver including a first operational amplifier having a non-inverting terminal coupled to a reference voltage terminal and an inverting terminal coupled to the first pixel, and a second operational amplifier having a non-inverting terminal coupled to the reference voltage terminal and an inverting terminal coupled to the second pixel. The first pixel includes a sensing transistor, a first driving transistor, and a first switch transistor. The second pixel includes a second driving transistor and a second switch transistor.
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