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公开(公告)号：US20210390915A1
公开(公告)日：2021-12-16
申请号：US17288465
申请日：2018-11-06
Applicant: LG ELECTRONICS INC.
Inventor： Sangjoon PARK , Wonsik KIM , Sungjin KANG , Heeyoung LIM , Byungchang CHA , Geunyong KIM , Myungdeok BAE
Abstract: Disclosed herein are a digital signage system for limiting a luminance range settable by a user according to the number of power supply units (PSUs) and a method of operating the same. The digital signage system includes a panel configured to display an image, a plurality of light emitting diode (LED) driver modules configured to provide to the panel, a display device including at least one power supply unit configured to supply power to the panel and the plurality of LED driver modules, and a system controller configured to control the display device. The system controller includes a display configured to display a luminance setting screen for controlling luminance of the image and a controller configured to change a settable maximum luminance value according to the number of power supply units when the luminance setting screen is displayed.
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公开(公告)号：US20250046761A1
公开(公告)日：2025-02-06
申请号：US18630877
申请日：2024-04-09
Applicant: LG ELECTRONICS INC.
Inventor： Donghyun KIM , Myungwhun CHANG , Wonsik KIM , Hongsung SONG
IPC: H01L25/075 , H01L25/16
Abstract: A display device is applicable to a display-related technical field, and a display device using micro light emitting diodes (LED) are disclosed. The display device using light emitting diodes includes a wiring substrate in which a plurality of unit pixels is defined, at least one electrode pad disposed in each of the unit pixels to define a plurality of unit sub-pixels, and at least one light emitting diode configured to have a tilt angle at which a side surface of the light emitting diode is inclined to one side, and a bonding surface electrically connected to the electrode pad. Two light emitting diodes adjacent to each other are arranged symmetrically with respect to the tilt angle, and a distance between two electrode pads adjacent to each other varies depending on positions of the electrode pads.
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公开(公告)号：US20250070097A1
公开(公告)日：2025-02-27
申请号：US18649152
申请日：2024-04-29
Applicant: LG ELECTRONICS INC.
Inventor： Myungwhun CHANG , Okhee YUN , Wonsik KIM , Donghyun KIM , Hongsung SONG , Byoungson RYU
IPC: H01L25/075
Abstract: A display device using a light emitting device applicable to display device-related technical fields is provided. In a display device implemented by combining a plurality of unit display modules in which a plurality of unit pixel regions is defined, the plurality of unit display modules is combined with each other with an interface therebetween. Each of the unit display modules includes an electrode pad arranged in a unit pixel to define a plurality of unit subpixels, and a light-emitting element electrically connected to the electrode pad. A shortest distance between neighboring pixels including the interface may be greater than a shortest distance between neighboring pixels in the display module.
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公开(公告)号：US20250013317A1
公开(公告)日：2025-01-09
申请号：US18657643
申请日：2024-05-07
Applicant: LG ELECTRONICS INC.
Inventor： Woosik JUNG , Wonsik KIM , Sungjin KANG , Bongseok KANG
Abstract: The present disclosure relates to an image display apparatus and a video wall including the same. The image display apparatus according to an embodiment of the present disclosure includes: a panel including a plurality of light emitting diodes; and a driving controller configured to output a scan signal to the plurality of light emitting diodes for each of a plurality of subframe periods, in which the driving controller outputs a scan signal and a data signal to the light emitting diode during the plurality of subframe periods in a first mode corresponding to a display mode, and outputs only any one of the scan signal and the data signal during some subframe periods among the plurality of subframe periods in a second mode for sensing a pointer light. Accordingly, the pointer light can be stably sensed without a separate optical sensor.
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公开(公告)号：US20240420613A1
公开(公告)日：2024-12-19
申请号：US18660838
申请日：2024-05-10
Applicant: LG ELECTRONICS INC.
Inventor： Namjoo LEE , Wonsik KIM , Jinyeol KIM , Woosik JUNG
Abstract: The present disclosure relates to an image display apparatus and a video wall including the same. The image display apparatus according to an embodiment of the present disclosure includes: a panel with a plurality of light emitting diodes; and a driving controller configured to output a scan signal to the plurality of light emitting diodes during each of a plurality of subframe periods, wherein, in response to the gray level of a frame including a plurality of subframes being above a predetermined level, the driving controller outputs a data signal based on pulse width modulation to the light emitting diodes, and in response to the gray level of the frame being below the predetermined level, the driving controller outputs a data signal based on pulse amplitude modulation to the light emitting diodes while dividing the gray level of the frame and distributing the divided gray level across at least part of the subframes. Accordingly, it is possible to efficiently reduce flicker.
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Patent Agency Ranking
公开(公告)号：US20230296934A1
公开(公告)日：2023-09-21
申请号：US18021452
申请日：2021-08-06
Applicant: LG ELECTRONICS INC.
Inventor： Wonsik KIM , Dongyoup KWAK , Yanghyun KIM , Jonghwa WON , Jonggon SHIN , Jongjin WOO , Kimun PAIK
IPC: G02F1/1333 , H02J50/12 , H02J50/70
CPC classification number: G02F1/133334 , H02J50/12 , H02J50/70
Abstract: Disclosed is a display device, including a body frame having a transmitting coil supplying power, a display module having a charging coil supplied with the power from the transmitting coil and located on a front side of the body frame, a fastening part fastening the display module to the body frame with a magnetic force, and a shield part located between the coupling magnet and the charging coil to cut off a magnetic field formed by the fastening unit so as to prevent the magnetic field from affecting the charging coil. Accordingly, the display module can be recharged by wireless charging, thereby facilitating installation of the display module in the body frame.
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公开(公告)号：US20250031503A1
公开(公告)日：2025-01-23
申请号：US18274162
申请日：2022-06-02
Applicant: LG ELECTRONICS INC.
Inventor： Seoungkyu HAN , Myungwhun CHANG , Okhee YUN , Yanghyun KIM , Seungho RYOO , Wonsik KIM , Jonggon SHIN
IPC: H01L33/62 , H01L25/075
Abstract: The present disclosure is applicable to a display device-related technical field, and relates to, for example, a display device using a micro light emitting diode (LED). Disclosed is a display device using a light-emitting element including a wiring substrate having multiple unit pixel areas defined therein, a wiring electrode including first wiring electrodes and a second wiring electrode arranged on the wiring substrate, and each light-emitting element installed in each unit pixel area so as to be electrically connected to each first wiring electrode and the second wiring electrode to constitute each sub-pixel, wherein the light-emitting elements include a first light-emitting element located in a first pixel area and installed in a first arrangement, and a second light-emitting element located in a second pixel area adjacent to the first pixel area and installed in a second arrangement symmetrical to the first arrangement.
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公开(公告)号：US20230327063A1
公开(公告)日：2023-10-12
申请号：US18023976
申请日：2020-08-31
Applicant: LG ELECTRONICS INC.
Inventor： Woosik JUNG , Yanghyun KIM , Jonghwa WON , Wonsik KIM , Wonseok HAN , Jonggon SHIN , Jongjin WOO
IPC: H01L33/62 , H01L25/075 , H01L33/64 , H01L33/48
CPC classification number: H01L33/62 , H01L25/0753 , H01L33/642 , H01L33/486
Abstract: A display device according to one embodiment of the present disclosure comprises: a wiring board having an electrode line formed on the front surface thereof; and a plurality of semiconductor light-emitting elements disposed on the wiring board and electrically connected to each other by the electrode line, wherein the wiring board is configured to include at least two physically divided sub-boards, and a heat dissipation passage is formed between the sub-boards.
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公开(公告)号：US20210141584A1
公开(公告)日：2021-05-13
申请号：US16932527
申请日：2020-07-17
Applicant: LG ELECTRONICS INC.
Inventor： Daeseong SEO , Yanghyun KIM , Wonsik KIM , Jonggon SHIN , Jongjin WOO
Abstract: An image display device and a video wall including the same are disclosed. The image display device includes a housing, a display configured to display an image, a first wireless communication module disposed on one surface of the housing, and a second wireless communication module disposed at a position on an opposite surface of the housing corresponding to a position of the first wireless communication module. The first wireless communication module and the second wireless communication module transmit and receive a signal through the same short-range communication method. Various other embodiments are possible.
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公开(公告)号：US20190102129A1
公开(公告)日：2019-04-04
申请号：US16085961
申请日：2016-04-15
Applicant: LG ELECTRONICS INC.
Inventor： Youngkyu JO , Wonsik KIM
Abstract: An output device for controlling an operation of a double-sided display panel, according to an embodiment of the present invention, comprises: a master controller for controlling an operation of a front display panel; a slave controller for controlling an operation of a back display panel; a first MUX which is controlled by the master controller and receives a first image inputted to the master controller and a second image inputted to the slave controller; and a second MUX which is controlled by the slave controller and receives the first image and the second image, wherein the master controller may control the first MUX and the second MUX to output either of the first image or the second image to each of the front display panel and the back display panel, on the basis of an image output control command.
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