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公开(公告)号：US20210319733A1
公开(公告)日：2021-10-14
申请号：US17118188
申请日：2020-12-10
发明人： Soon Dong KIM , Joon Chul GOH , Bong Hyun YOU , Byung Ki CHUN , Seong Heon CHO
摘要： A display device includes: a plurality of pixels; a first pixel unit comprising a first portion of the plurality of pixels; a second pixel unit comprising a second portion of the plurality of pixels; and a data driver configured to supply a data voltage to the first pixel unit and the second pixel unit, wherein the data driver is configured to generate a data voltage to be supplied to the first pixel unit based on different gamma voltages even when the same grayscale is expressed according to a driving method, and the second pixel unit is configured to be driven or not driven according to the driving method.
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公开(公告)号：US20170047000A1
公开(公告)日：2017-02-16
申请号：US15156454
申请日：2016-05-17
发明人： Hong Soo KIM , Se Hyuk PARK , Seong Heon CHO
IPC分类号： G09G3/20
CPC分类号： G09G3/2092 , G09G3/2003 , G09G2340/06
摘要： A display device includes a scan driver to supply a scan signal to scan lines, a data converter to receive a first data corresponding to a first wavelength range and to generate a second data corresponding to a second wavelength range by using the first data, a data driver to generate a data signal to be supplied to data lines by using the first data or the second data, and pixels in areas defined by the scan and data lines to emit light in accordance with the data signal.
摘要翻译： 显示装置包括扫描驱动器，用于向扫描线提供扫描信号;数据转换器，用于接收对应于第一波长范围的第一数据，并通过使用第一数据产生对应于第二波长范围的第二数据;数据 驱动器，以通过使用第一数据或第二数据产生要提供给数据线的数据信号，并且由扫描和数据线定义的区域中的像素根据数据信号发光。
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公开(公告)号：US20210029347A1
公开(公告)日：2021-01-28
申请号：US16815986
申请日：2020-03-11
发明人： Hyun Seuk YOO , Dong Joon KWAG , Hyung Jin KIM , Seong Heon CHO
IPC分类号： H04N17/04 , G09G3/00 , G09G3/3225
摘要： A display device relates to a test image measuring device, and includes a housing including one side in which an opening is defined, and a reflector provided to be inclined by a predetermined angle from another side of the housing facing the opening, where a display device including a display unit and an imaging unit is provided above the opening, and a test image displayed from the display unit is photographed by the imaging unit through the reflector.
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公开(公告)号：US20230260464A1
公开(公告)日：2023-08-17
申请号：US18306211
申请日：2023-04-24
发明人： Seong Heon CHO , Hae-Kwan SEO
IPC分类号： G09G3/3266 , G09G3/3275
CPC分类号： G09G3/3266 , G09G3/3275 , G09G2310/0278 , G09G2310/0294
摘要： A scan driver includes: a plurality of stages, each stage including: a logic circuit configured to transfer an input signal to a first node in response to a first clock signal, and to bootstrap the first node in response to a second clock signal; a carry output circuit configured to output the second clock signal as a carry signal that is provided as the input signal for a next stage in response to a voltage of the bootstrapped first node; and a masking controller configured to receive a masking signal and the carry signal, and to output the masking signal as a scan signal provided to a pixel row corresponding to the each stage in response to the carry signal.
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公开(公告)号：US20220123045A1
公开(公告)日：2022-04-21
申请号：US17501945
申请日：2021-10-14
发明人： Seong Heon CHO
摘要： A display device includes a first display panel; and a second display panel, wherein the first display panel includes a first substrate including a first region and a second region that is thinner than the first region, a first scan driver positioned on one edge of the first region, a second scan driver positioned in the second region, and a plurality of pixels connected to the first scan driver and the second scan driver by a scan line, the second display panel includes a second substrate including a first region and a second region that is thinner than the first region, a first scan driver positioned on one edge of the first region, and a plurality of pixels connected to the first scan driver by a scan line.
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公开(公告)号：US20220165218A1
公开(公告)日：2022-05-26
申请号：US17666425
申请日：2022-02-07
发明人： Seong Heon CHO , Hae-Kwan SEO
IPC分类号： G09G3/3266 , G09G3/3275
摘要： A scan driver includes: a plurality of stages, each stage including: a logic circuit configured to transfer an input signal to a first node in response to a first clock signal, and to bootstrap the first node in response to a second clock signal; a carry output circuit configured to output the second clock signal as a carry signal that is provided as the input signal for a next stage in response to a voltage of the bootstrapped first node; and a masking controller configured to receive a masking signal and the carry signal, and to output the masking signal as a scan signal provided to a pixel row corresponding to the each stage in response to the carry signal.
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公开(公告)号：US20210110774A1
公开(公告)日：2021-04-15
申请号：US16888465
申请日：2020-05-29
发明人： Seong Heon CHO , Hae-Kwan SEO
IPC分类号： G09G3/3266 , G09G3/3275
摘要： A scan driver includes: a plurality of stages, each stage including: a logic circuit configured to transfer an input signal to a first node in response to a first clock signal, and to bootstrap the first node in response to a second clock signal; a carry output circuit configured to output the second clock signal as a carry signal that is provided as the input signal for a next stage in response to a voltage of the bootstrapped first node; and a masking controller configured to receive a masking signal and the carry signal, and to output the masking signal as a scan signal provided to a pixel row corresponding to the each stage in response to the carry signal.
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公开(公告)号：US20210027719A1
公开(公告)日：2021-01-28
申请号：US16817403
申请日：2020-03-12
发明人： Seong Heon CHO , Hae Kwan SEO , Seung Jae LEE
IPC分类号： G09G3/3291 , G09G3/3258
摘要： A display device and a driving method thereof are provided. The display device includes a display including a pixel including a double gate transistor and a light emitting diode, a power supply for supplying power to the display, a current sensor for sensing a current flowing in the display or in the light emitting diode, and a gate voltage controller for providing a bias voltage signal to one gate electrode of the double gate transistor.
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公开(公告)号：US20190213936A1
公开(公告)日：2019-07-11
申请号：US16238518
申请日：2019-01-03
发明人： Seong Heon CHO
CPC分类号： G09G3/006 , G01R31/025 , G09G3/3266 , G09G3/3275 , G09G3/3674 , G09G3/3685 , G09G2310/08 , G09G2330/12 , H01L27/1244
摘要： A short circuit detector includes a first transistor connected between a first portion of a data line and a second portion of the data line and including a gate electrode connected to a first node; a second transistor connected between a first voltage source and the first node and including a gate electrode configured to receive a short-circuit test signal; a third transistor connected between a second node included in the second portion and a third node and including a gate electrode configured to receive the short-circuit test signal; a fourth transistor connected between a second voltage source and the first node and including a gate electrode connected to the third node; and a fifth transistor connected to the first node and a third voltage source and including a gate electrode connected to the third node in common with the gate electrode of the third transistor.
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