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公开(公告)号：US11929012B2
公开(公告)日：2024-03-12
申请号：US17677529
申请日：2022-02-22
发明人： Sangyoung Park , Jongsu Oh , Hoseop Lee , Tetsuya Shigeta
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/026 , G09G2300/0426 , G09G2330/04
摘要： A display module and a display apparatus including the same are provided. The display module includes a module substrate; pixels provided on the module substrate; and a micro-pixel controller configured to supply drive currents to the pixels. The micro-pixel controller includes: a first input pad for receiving a power voltage; a second input pad for receiving a data voltage; pixel circuits configured to output the drive currents to the pixels; a control circuit configured to distribute the power voltage and the data voltage to the pixel circuits; a first ESD protection circuit connected to the first input pad and the control circuit through a first voltage line and configured to transmit the power voltage to the control circuit; and a second ESD protection circuit connected to the second input pad and the control circuit through a second voltage line and configured to transmit the data voltage to the control circuit.
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公开(公告)号：US11189606B2
公开(公告)日：2021-11-30
申请号：US16251816
申请日：2019-01-18
发明人： Sangmin Shin , Hoseop Lee , Sangyoung Park
IPC分类号： H01L25/16 , H01L25/075 , H01L33/62 , H01L27/12
摘要： A light emitting diode (LED) panel is provided. The LED panel includes a thin-film transistor (TFT) backplane which includes a plurality of LED bonding areas, and a plurality of LEDs which are respectively bonded to the plurality of LED bonding areas, wherein the plurality of LED bonding areas are formed to have different heights on the TFT backplane according to an LED type bonded thereto, and wherein a relatively thin LED from among the plurality of LEDs is bonded to an LED bonding area of a relatively low height from among the plurality of LED bonding areas.
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公开(公告)号：US11715413B2
公开(公告)日：2023-08-01
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
CPC分类号： G09G3/32 , G09F9/3026 , G09F9/33 , H01L27/156 , H01L33/62
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：US20220254301A1
公开(公告)日：2022-08-11
申请号：US17669004
申请日：2022-02-10
发明人： Sangyoung PARK , Hoseop Lee , Tetsuya Shigeta
IPC分类号： G09G3/32
摘要： A display apparatus, according to one or more embodiments, includes a timing controller configured to generate a timing control signal, and a plurality of display modules, each display module of the plurality of display modules including a plurality of pixels and a plurality of micro pixel controllers electrically connected to a plurality of inorganic light-emitting elements constituting two or more pixels, wherein each display module of the plurality of display modules is configured to switch the plurality of inorganic light-emitting elements based on the timing control signal, and wherein each of the plurality of micro pixel controllers switches the plurality of inorganic light-emitting elements causing a blanking period to be periodically generated in response to a frame rate being changed.
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公开(公告)号：US10930231B2
公开(公告)日：2021-02-23
申请号：US16263911
申请日：2019-01-31
发明人： Jinho Kim , Sangmin Shin , Hoseop Lee
摘要： A display module including a plurality of pixels is provided. The display module according to an embodiment includes a plurality of inorganic light emitting elements constituting the plurality of pixels, a plurality of pixel circuits provided for each of the plurality of inorganic light emitting elements and providing a driving current corresponding to an applied grayscale data voltage to each of the plurality of inorganic light emitting elements, and an ESD (Electro Static Discharge) protection circuit arranged in at least one of the plurality of pixel circuits.
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公开(公告)号：US11961458B2
公开(公告)日：2024-04-16
申请号：US18098528
申请日：2023-01-18
发明人： Jinho Kim , Yong-Sang Kim , Hoseop Lee , Donggun Oh , Jongsu Oh
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0452 , G09G2310/0297 , G09G2320/0242 , G09G2320/0257
摘要： A display device includes: a display panel including a pixel array, in which pixels that include a plurality of inorganic light-emitting devices of different colors are arranged in a matrix form, and a pixel circuit that is provided for each of the plurality of inorganic light-emitting devices, and the pixel circuit controls, on the basis of an applied image data voltage, the driving time and the magnitude of driving current provided to the inorganic light-emitting devices; a sensor which senses, on the basis of a voltage applied to the pixel circuit, a current flowing through a driving transistor included in the pixel circuit and which outputs sensing data corresponding to the sensed current; and a corrector which corrects, on the basis of the sensed data, the image data voltage applied to the pixel circuit.
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公开(公告)号：US20220223576A1
公开(公告)日：2022-07-14
申请号：US17672090
申请日：2022-02-15
发明人： Jongsu OH , Sangyoung Park , Hoseop Lee , Tetsuya Shigeta
摘要： A display apparatus is provided having a plurality of pixels, which are arranged in M columns and N rows and arranged with a constant row space therebetween. The display apparatus includes a plurality of display modules and a housing configured to support the plurality of display modules. Each of the plurality of display modules includes a plurality of pixel packages each including some pixels of the plurality of pixels, and a plurality of micro pixel controllers each controlling the pixels included in each of the plurality of pixel packages. Each of the micro pixel controllers is disposed in the row space between the plurality of pixels to be long in a horizontal direction that is a row direction.
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公开(公告)号：US20210304670A1
公开(公告)日：2021-09-30
申请号：US17344346
申请日：2021-06-10
发明人： Tetsuya SHIGETA , Jinho Kim , Sangyoung Park , Hoseop Lee
IPC分类号： G09G3/32
摘要： A display panel includes a plurality of pixels arranged in a matrix, the plurality of pixels respectively including a plurality of sub pixels. The plurality of sub pixels respectively includes a light emitting element, and a PWM pixel circuit configured to control a light emitting duration of the light emitting element, based on a pulse width modulation (PWM) data voltage and a sweep voltage. A plurality of PWM pixel circuits included in the display panel are driven, for each of row lines of the plurality of pixels, in an order of a data setting period for setting the PWM data voltage and then a light emitting period in which the light emitting element emits light during a duration corresponding to the set PWM data voltage according to a change of the sweep voltage.
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公开(公告)号：US11056047B2
公开(公告)日：2021-07-06
申请号：US16731377
申请日：2019-12-31
发明人： Tetsuya Shigeta , Jinho Kim , Sangyoung Park , Hoseop Lee
IPC分类号： G09G3/32
摘要： A display panel includes a plurality of pixels arranged in a matrix, the plurality of pixels respectively including a plurality of sub pixels. The plurality of sub pixels respectively includes a light emitting element, and a PWM pixel circuit configured to control a light emitting duration of the light emitting element, based on a pulse width modulation (PWM) data voltage and a sweep voltage. A plurality of PWM pixel circuits included in the display panel are driven, for each of row lines of the plurality of pixels, in an order of a data setting period for setting the PWM data voltage and then a light emitting period in which the light emitting element emits light during a duration corresponding to the set PWM data voltage according to a change of the sweep voltage.
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10.发明授权公开(公告)号：US10825380B2
公开(公告)日：2020-11-03
申请号：US16263901
申请日：2019-01-31
发明人： Jinho Kim , Kisun Kang , Sangmin Shin , Hoseop Lee , Youngki Jung
摘要： A display panel includes a glass, an inorganic light emitting device included in a sub pixel of the display panel, and a driving circuit disposed between the glass and the inorganic light emitting device such that the inorganic light emitting device is mounted on and electrically connected to the driving circuit. The driving circuit is configured to control an amplitude and a pulse width of a driving current provided to the inorganic light emitting device. The amplitude and pulse width of the driving current may be corrected according to a deviation in the driving circuit.
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