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公开(公告)号：US20210142748A1
公开(公告)日：2021-05-13
申请号：US17154077
申请日：2021-01-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jinho Kim , Sangmin SHIN , Hoseop LEE
Abstract: 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：US20190371231A1
公开(公告)日：2019-12-05
申请号：US16263901
申请日：2019-01-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jinho KIM , Kisun KANG , Sangmin SHIN , Hoseop LEE , Youngki JUNG
Abstract: A display panel is provided. The 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, and configured to provide a driving current of which an amplitude and a pulse width are controlled together to the inorganic light emitting device. The inorganic light emitting device is mounted on the driving circuit and electrically connected to the driving circuit.
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公开(公告)号：US20230154394A1
公开(公告)日：2023-05-18
申请号：US18098528
申请日：2023-01-18
Inventor： Jinho KIM , Yong-Sang KIM , Hoseop LEE , Donggun OH , Jongsu OH
IPC: G09G3/32
CPC classification number: G09G3/32 , G09G2300/0452 , G09G2320/0257 , G09G2320/0242 , G09G2310/0297
Abstract: 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：US20190304386A1
公开(公告)日：2019-10-03
申请号：US16263911
申请日：2019-01-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jinho KIM , Sangmin SHIN , Hoseop LEE
Abstract: 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：US20220301500A1
公开(公告)日：2022-09-22
申请号：US17833427
申请日：2022-06-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Tetsuya SHIGETA , Jinho KIM , Sangyoung PARK , Donggun OH , Hoseop LEE
Abstract: A display module is provided. The display module includes a plurality of sub-pixel circuits, each sub-pixel circuit including: an inorganic light-emitting diode, a transistor connected in parallel with the inorganic light-emitting diode, and a pulse width modulation (PWM) circuit configured to control a light-emitting time of the inorganic light-emitting diode by controlling a voltage of a gate terminal of the transistor based on an applied PWM data voltage that is applied to the PWM circuit; and a pulse amplitude modulation (PAM) circuit which is connected in series with an inorganic light-emitting diode of one of the plurality of sub-pixel circuits, the PAM circuit being configured to provide a driving current having a constant amplitude to the inorganic light-emitting diodes, wherein the inorganic light-emitting diodes of the plurality of sub-pixel circuits are connected in series to each other.
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Patent Agency Ranking
公开(公告)号：US20220223577A1
公开(公告)日：2022-07-14
申请号：US17675046
申请日：2022-02-18
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jongsu OH , Sangyoung PARK , Hoseop LEE , Tetsuya SHIGETA
Abstract: 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：US20200184880A1
公开(公告)日：2020-06-11
申请号：US16706093
申请日：2019-12-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chulgyu JUNG , Jinho KIM , Sangmin SHIN , Hoseop LEE , Youngki JUNG
Abstract: A display apparatus including: a printed circuit board; and a plurality of display modules arranged adjacent in a length direction of the printed circuit board, each display modules of the plurality of the display modules including: a thin film transistor substrate; a plurality of micro LEDs arranged on a surface of the thin film transistor substrate; a flexible printed circuit board (FPCB) through which the printed circuit board and the thin film transistor substrate; and a driver controlling the plurality of micro LEDs disposed on a surface of the FPCB.
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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
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangyoung PARK , Daisuke KAWAE , Junichi YAMASHITA , Jongsu OH , Hoseop LEE , Tetsuya SHIGETA
IPC: G09G3/32
Abstract: 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
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jongsu OH , Daisuke KAWAE , Junichi YAMASHITA , Sangyoung PARK , Hoseop LEE , Tetsuya SHIGETA
Abstract: 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：US20220085266A1
公开(公告)日：2022-03-17
申请号：US17515727
申请日：2021-11-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sangmin SHIN , Hoseop LEE , Sangyoung PARK
Abstract: A light emitting diode (LED) panel is provided. The LED panel includes a thin-film transistor (TFT) backplane which includes an insulator film disposed on a top surface of a substrate, a plurality of organic films disposed on a top surface of the insulator film, and pixel electrodes disposed on a top surface of each of the plurality of organic films. The LED panel further includes a plurality of LEDs respectively bonded to the pixel electrodes disposed on the top surface of each of the plurality of organic films, wherein the plurality of organic films has the different heights according to a type of each of the plurality of LEDs respectively bonded to the pixel electrodes disposed on the top surface of each of the plurality of organic films.
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