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公开(公告)号：US20230012927A1
公开(公告)日：2023-01-19
申请号：US17897768
申请日：2022-08-29
发明人： Jinho KIM , Yong-Sang KIM , Donggun OH , Jongsu OH , Eun Ho KIM , Seungran PARK , Sara HONG
IPC分类号： G09G3/32
摘要： Provided is a display apparatus including a modular display panel that includes a plurality of displays disposed in a matrix form and respectively including a display panel including a pixel array in which pixels including a plurality of inorganic light emitting elements are disposed in a plurality of row lines, sub-pixel circuits respectively corresponding to inorganic light emitting elements of the pixel array, a driver configured to drive the sub-pixel circuits, a sensor configured to sense a current flowing in a driving transistor included in the sub-pixel circuits and output sensing data corresponding to the sensed current, and a processor configured to correct the image data voltage applied to the sub-pixel circuits based on the sensing data, and a timing controller configured to provide a first start signal to a driver of a first display and a second start signal to a driver of a second display.
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公开(公告)号：US20230012711A1
公开(公告)日：2023-01-19
申请号：US17894623
申请日：2022-08-24
发明人： Jinho KIM , Seungran PARK , Donggun OH , Jongsu OH
IPC分类号： G09G3/32 , H01L25/075
摘要： A display apparatus, including a display panel which includes a pixel array including a plurality of pixels arranged in a plurality of row lines, and a plurality of sub-pixel circuits, wherein each pixel of the plurality of pixels includes a plurality of inorganic light emitting elements, and wherein each sub-pixel circuit of the plurality of sub-pixel circuits corresponds to an inorganic light emitting element of the plurality of light emitting elements; and a driver configured to drive the plurality of sub-pixel circuits so that the plurality of inorganic light emitting elements emit light a plurality of times in an order of the plurality of row lines based on an image data voltage corresponding to one image frame, wherein the each sub-pixel circuit includes a discharge transistor configured to remove a potential difference between both ends of a corresponding inorganic light emitting element based on a predetermined cycle
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公开(公告)号：US20230039449A1
公开(公告)日：2023-02-09
申请号：US17970153
申请日：2022-10-20
发明人： Jinho KIM , Yong-Sang KIM , Donggun OH , Jongsu OH
IPC分类号： G09G3/32
摘要： In a display panel, pixels each including a plurality of sub-pixels are arranged in a matrix form, wherein each of the plurality of sub-pixels includes: an inorganic light-emitting element; a constant current generator circuit that provides a driving current to the inorganic light-emitting element on the basis of a constant current generator data voltage; and a PWM circuit for controlling the time for the driving current to flow through the inorganic light-emitting element on the basis of a PWM data voltage, wherein the constant current generator circuit includes a first driving transistor and the PWM circuit includes a second driving transistor, and wherein the constant current generator circuit or the PWM circuit comprises an internal compensation circuit that compensates for electrical characteristics of the first driving transistor and the second driving transistor.
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公开(公告)号：US20230024912A1
公开(公告)日：2023-01-26
申请号：US17957824
申请日：2022-09-30
发明人： Jinho KIM , Yong-Sang KIM , Sangmin SHIN , Donggun OH , Jongsu OH
IPC分类号： G09G3/32
摘要： A display module may include a plurality of pixels, wherein each of the plurality of pixels includes a plurality of subpixels of different colors that are disposed in a matrix form. Each of the plurality of subpixels includes an inorganic light emitting element, a constant current generator which provides a constant current to the inorganic light emitting element, and a pulse width modulation (PWM) circuit which includes a first depletion mode driving transistor, and controls a time during which the constant current flows through the inorganic light emitting element based on a PWM data voltage applied to a gate terminal of the first depletion mode driving transistor and a threshold voltage of the first depletion mode driving transistor.
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公开(公告)号：US20220223577A1
公开(公告)日：2022-07-14
申请号：US17675046
申请日：2022-02-18
发明人： Jongsu OH , Sangyoung PARK , Hoseop LEE , Tetsuya SHIGETA
摘要： A display module is provided. The display module includes a plurality of pixels, a first substrate, a plurality of micro pixel packages provided on the first substrate, and a plurality of voltage lines electrically connected between a set of micro pixel packages of the plurality of micro pixel packages that are adjacent to each other in a first direction. Each of the plurality of micro pixel packages includes a second substrate, a plurality of inorganic light-emitting elements provided on the second substrate, and a micro pixel controller provided on the second substrate and configured to control the plurality of inorganic light-emitting elements.
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公开(公告)号：US20220301501A1
公开(公告)日：2022-09-22
申请号：US17834548
申请日：2022-06-07
发明人： Jongsu OH , Sangyoung PARK
IPC分类号： G09G3/32
摘要： A display module includes: a module substrate; a plurality of pixels provided on the module substrate; and a plurality of micro-pixel controllers provided in spaces between the plurality of pixels and configured to supply a drive current to at least two pixels among the plurality of pixels, where each micro-pixel controller of the plurality of micro-pixel controllers includes a pixel circuit configured to, based on a first voltage and a second voltage being applied to the micro-pixel controller, control an amplitude of the drive current based on the first voltage and control a pulse width of the drive current based on the second voltage, and, based on the display module being in a power saving mode, the first voltage is adjusted to decrease a brightness of a pixel in a specified region, among the plurality of pixels.
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公开(公告)号：US20220301498A1
公开(公告)日：2022-09-22
申请号：US17831972
申请日：2022-06-03
发明人： Sangyoung PARK , Daisuke KAWAE , Junichi YAMASHITA , Jongsu OH , Hoseop LEE , Tetsuya SHIGETA
IPC分类号： G09G3/32
摘要： A display module is provided. The display module includes a module substrate; a plurality of pixels provided on an upper surface of the module substrate; and a plurality of micro pixel controllers, each of the plurality of micro pixel controllers being configured to control at least two pixels among the plurality of pixels and being provided in a space between the at least two pixels on the upper surface of the module substrate, wherein at least one of the plurality of micro pixel controllers includes a slope waveform generator configured to generate a slope waveform used to control a brightness of each of the at least two pixels.
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公开(公告)号：US20220172674A1
公开(公告)日：2022-06-02
申请号：US17675231
申请日：2022-02-18
发明人： Jongsu OH , Daisuke KAWAE , Junichi YAMASHITA , Sangyoung PARK , Hoseop LEE , Tetsuya SHIGETA
摘要： A display module includes a plurality of pixels; a substrate; a plurality of inorganic LEDs arranged on the substrate, each of the plurality of pixels including two or more inorganic LEDs among the plurality of inorganic LEDs; and a plurality of micro-pixel controllers two-dimensionally arranged in a first direction and a second direction on the substrate, each of the plurality of micro-pixel controllers being configured to control two or more pixels among the plurality of pixels. Each micro-pixel controller of the plurality of micro-pixel controllers is electrically connected to micro-pixel controllers adjacent thereto, and is configured to convert a voltage input from one of the micro-pixel controllers that is electrically connected thereto in a direction opposite to the first direction into a target voltage and supply the target voltage to another micro-pixel controller of the micro-pixel controllers that is electrically connected thereto in the first direction.
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公开(公告)号：US20200111404A1
公开(公告)日：2020-04-09
申请号：US16263271
申请日：2019-01-31
发明人： Jinho KIM , Yongsang KIM , Sangmin SHIN , Kisun KANG , Jongsu OH
摘要： A display panel is provided. In the display panel, a plurality of pixels respectively including a plurality of sub pixels are arranged in a matrix form on a glass. Each of the plurality of sub pixels includes a driving circuit disposed on the glass and configured to receive a pulse amplitude modulation (PAM) data voltage and a pulse width modulation (PWM) data voltage, and an inorganic light emitting device mounted on the driving circuit and configured to be electrically connected to the driving circuit, and to emit a light based on a driving current provided from the driving circuit. The PAM data voltage is applied at once to the plurality of pixels included in the display panel. The driving circuit is configured to control a grayscale of a light emitted by the inorganic light emitting device by controlling a pulse width of a driving current having an amplitude corresponding to the applied PAM data voltage based on the applied PWM data voltage.
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公开(公告)号：US20230230536A1
公开(公告)日：2023-07-20
申请号：US18118583
申请日：2023-03-07
发明人： Jinho KIM , Tetsuya SHIGETA , Jongsu OH
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0842 , G09G2320/0209 , G09G2320/0233 , G09G2320/0633 , G09G2330/021
摘要： A display apparatus includes a display panel including: a pixel array in which pixels including a plurality of light-emitting elements are arranged in a plurality of row lines and sub-pixel circuits provided for each of the plurality of light-emitting elements and providing a driving current to the light-emitting elements. The display apparatus also includes a drive unit is configured to: set image data voltages to the sub-pixel circuits of the display panel in a row line order during a data setting period for each row line; and drive the sub-pixel circuits to provide the driving current to the light-emitting elements of the pixel array in the row line order based on a sweep signal sweeping from a first voltage to a second voltage and the set image data voltages during a light-emitting period for each row line.
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