Patents by Inventor Daekeun Yoon
Daekeun Yoon has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11966118Abstract: A display device includes: a plurality of backlight modules, where each backlight module includes a plurality of light sources capable of emitting light in at least three different colors; a color-filter-less liquid crystal display module including a plurality of pixel units arranged in an array form and a plurality of scanning lines coupled to the pixel units; where the plurality of backlight modules are arranged in parallel with the liquid crystal display module; where an orthogonal projection of each backlight module onto a plane where the liquid crystal display module is located corresponds to at least two rows of pixel units, where the pixel units in one row are along an length extension direction of each scanning line; and a driving circuit coupled to each backlight module and configured to apply a backlight driving signal to each backlight module.Type: GrantFiled: June 11, 2021Date of Patent: April 23, 2024Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Pengtao Li, Rui Han, Xiaoxia Wang, Jie Yu, Qing Ma, Daekeun Yoon, Weining Chi, Li Tian
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Patent number: 11839006Abstract: Embodiments of the present disclosure provide a backlight control circuit, a method for driving the same, a backlight module and a display apparatus. The backlight control circuit includes: an undervoltage protection circuit, electrically connected with a power supply voltage input end and a ground, and configured to output a closing control signal through an output end of the undervoltage protection circuit according to a voltage at the power supply voltage input end and an undervoltage threshold value; and a backlight driving circuit, electrically connected with a voltage supply end, a backlight driving output end and the output end of the undervoltage protection circuit separately, and configured to enable a port of the backlight driving circuit when receiving an enabling control signal for processing a voltage at the voltage supply end and outputting the processed voltage to the backlight driving output end, and stop working when receiving the closing control signal.Type: GrantFiled: November 22, 2019Date of Patent: December 5, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jie Yu, Pengtao Li, Yangyang Zhang, Daekeun Yoon, Qing Ma, Rui Han
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Patent number: 11803281Abstract: Provided are a touch display screen and a driving method therefor, and a display apparatus. A common electrode layer is divided into a plurality of mutually independent self-capacitance electrodes, and the self-capacitance electrodes are connected to a driving chip via corresponding touch-control traces; and each self-capacitance electrode is connected to a common voltage line via a switching transistor, and a gate electrode of each switching transistor is connected to a control line.Type: GrantFiled: February 26, 2021Date of Patent: October 31, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tielei Zhao, Jie Yu, Pengtao Li, Daekeun Yoon, Qing Ma, Rui Han, Dong Cui, Yangyang Zhang
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Publication number: 20230306920Abstract: A display module and a display device are provided. In the display module, a liquid crystal display panel has a plurality of display subareas. A color backlight module has a plurality of backlight subareas in a one-to-one correspondence to the plurality of display subareas. A driving apparatus may sequentially drive liquid crystal molecules in the display subareas to turn over, and after driving the liquid crystal molecules in each display subarea to turn over, drive a light-emitting element of one color included in each backlight source in one corresponding backlight subarea to emit light.Type: ApplicationFiled: June 5, 2023Publication date: September 28, 2023Inventors: Qing MA, Rui HAN, Pengtao LI, Daekeun YOON, Jie YU, Weining CHI, Tianyang HAN, Jing YU
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Patent number: 11703712Abstract: A display module is provided. In the display module, a liquid crystal display panel has a plurality of display subareas. A color backlight module has a plurality of backlight subareas in a one-to-one correspondence to the plurality of display subareas. A driving apparatus may sequentially drive liquid crystal molecules in the display subareas to turn over, and after driving the liquid crystal molecules in each display subarea to turn over, drive a light-emitting element of one color included in each backlight source in one corresponding backlight subarea to emit light.Type: GrantFiled: January 5, 2022Date of Patent: July 18, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Qing Ma, Rui Han, Pengtao Li, Daekeun Yoon, Jie Yu, Weining Chi, Tianyang Han, Jing Yu
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Publication number: 20230099048Abstract: Embodiments of the present disclosure provide a backlight control circuit, a method for driving the same, a backlight module and a display apparatus. The backlight control circuit includes: an undervoltage protection circuit, electrically connected with a power supply voltage input end and a ground, and configured to output a closing control signal through an output end of the undervoltage protection circuit according to a voltage at the power supply voltage input end and an undervoltage threshold value; and a backlight driving circuit, electrically connected with a voltage supply end, a backlight driving output end and the output end of the undervoltage protection circuit separately, and configured to enable a port of the backlight driving circuit when receiving an enabling control signal for processing a voltage at the voltage supply end and outputting the processed voltage to the backlight driving output end, and stop working when receiving the closing control signal.Type: ApplicationFiled: November 22, 2019Publication date: March 30, 2023Inventors: Jie YU, Pengtao LI, Yangyang ZHANG, Daekeun YOON, Qing MA, Rui HAN
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Publication number: 20230067469Abstract: The present disclosure provides a driving control module, a driving control method, a double-layer panel, and a display device. The driving control module is applied to the double-layer panel, the double-layer panel includes a first panel and a second panel, the first panel is a touch display panel, the second panel is a display panel, and the driving control module includes a control circuitry. The control circuitry is electrically coupled to the first panel and the second panel, and configured to control a touch stage of the first panel to be arranged within a spacing stage of the second panel, the first panel is configured to perform touch detection in the touch stage, and the spacing stage includes at least one of a scanning blank stage, a frame start time of image display time period, and a frame end time of the image display time period.Type: ApplicationFiled: August 12, 2021Publication date: March 2, 2023Inventors: Pengtao LI, Rui HAN, Jie YU, Qing MA, Daekeun YOON, Dong CUI, Li TIAN
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Publication number: 20220397798Abstract: A display device includes: a plurality of backlight modules, where each backlight module includes a plurality of light sources capable of emitting light in at least three different colors; a color-filter-less liquid crystal display module including a plurality of pixel units arranged in an array form and a plurality of scanning lines coupled to the pixel units; where the plurality of backlight modules are arranged in parallel with the liquid crystal display module; where an orthogonal projection of each backlight module onto a plane where the liquid crystal display module is located corresponds to at least two rows of pixel units, where the pixel units in one row are along an length extension direction of each scanning line; and a driving circuit coupled to each backlight module and configured to apply a backlight driving signal to each backlight module.Type: ApplicationFiled: June 11, 2021Publication date: December 15, 2022Inventors: Pengtao LI, Rui HAN, Xiaoxia WANG, Jie YU, Qing MA, Daekeun YOON, Weining CHI, Li TIAN
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Publication number: 20220326810Abstract: Provided are a touch display screen and a driving method therefor, and a display apparatus. A common electrode layer is divided into a plurality of mutually independent self-capacitance electrodes, and the self-capacitance electrodes are connected to a driving chip via corresponding touch-control traces; and each self-capacitance electrode is connected to a common voltage line via a switching transistor, and a gate electrode of each switching transistor is connected to a control line.Type: ApplicationFiled: February 26, 2021Publication date: October 13, 2022Inventors: Tielei ZHAO, Jie YU, Pengtao LI, Daekeun YOON, Qing MA, Rui HAN, Dong CUI, Yangyang ZHANG
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Publication number: 20220236610Abstract: A display module is provided. In the display module, a liquid crystal display panel has a plurality of display subareas. A color backlight module has a plurality of backlight subareas in a one-to-one correspondence to the plurality of display subareas. A driving apparatus may sequentially drive liquid crystal molecules in the display subareas to turn over, and after driving the liquid crystal molecules in each display subarea to turn over, drive a light-emitting element of one color included in each backlight source in one corresponding backlight subarea to emit light.Type: ApplicationFiled: January 5, 2022Publication date: July 28, 2022Inventors: Qing MA, Rui HAN, Pengtao LI, Daekeun YOON, Jie YU, Weining CHI, Tianyang HAN, Jing YU
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Patent number: 11391990Abstract: A plastic frame component includes: a first frame strip, configured to match with a side edge of the display component to support the display device; a light source, disposed on the first frame strip and configured to emit light; and an optical path adjuster, disposed on the first frame strip. The first frame strip includes a first portion and a second portion that are connected to each other. The first portion and/or the second portion accommodate/accommodates the light source and the optical path adjuster, such that the first portion can protrude from the side edge of the display component and go beyond the display surface after the plastic frame component is assembled with the total reflection display component, and that the light emitted by the light source shines onto a display area of the display component after being adjusted by the optical path adjuster.Type: GrantFiled: November 21, 2018Date of Patent: July 19, 2022Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Fei Liang, Jingjun Du, Lingyu Sun, Xiuyun Chen, Miao Liu, Zheng Wang, Xin Gai, Fei Dong, Liyu Fang, Tingxiu Hou, Daekeun Yoon
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Patent number: 11269129Abstract: Provided is a light guide plate comprising a light guide plate body having a first surface and a second surface opposite to each other, and a light incident surface connected between the first surface and the second surface, the light guide plate body is provided with a plurality of optical microstructures, refractive index of the optical microstructure is greater than the refractive index of the light guide plate body; a bottom surface of the optical microstructure is attached to the first surface; and the optical microstructure is configured such that when light passes through and emits from the optical microstructure, an angle between an emergence direction of the light and a vertical line of the optical microstructure is smaller than an incident angle of the light incident on the bottom surface of the optical microstructure.Type: GrantFiled: January 10, 2019Date of Patent: March 8, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xiuyun Chen, Fei Liang, Daekeun Yoon, Ming Chen
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Patent number: 11243431Abstract: The present disclosure provides a backlight module, a method for assembling the same, and a display panel. The backlight module includes: a back plate; a light bar arranged on the back plate; a light guide plate arranged on the back plate to form a gap between the light guide plate and the light bar; a film structure arranged on a light-exiting surface of the light guide plate opposite to the back plate; and a protruding part disposed in the gap, wherein opposite sides of the protruding part are in contact with at least a portion of the light guide plate and the film structure and at least a portion of the light bar respectively.Type: GrantFiled: July 10, 2018Date of Patent: February 8, 2022Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenyang Li, Zeyuan Tong, Rui Han, Qing Ma, Donglong Lin, Dong Cui, Bin Long, Fujian Ren, Peng Wu, Zhipeng Zhang, Daekeun Yoon
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Publication number: 20210349349Abstract: The present disclosure provides a backlight module, a method for assembling the same, and a display panel. The backlight module includes: a back plate; a light bar arranged on the back plate; a light guide plate arranged on the back plate to form a gap between the light guide plate and the light bar; a film structure arranged on a light-exiting surface of the light guide plate opposite to the back plate; and a protruding part disposed in the gap, wherein opposite sides of the protruding part are in contact with at least a portion of the light guide plate and the film structure and at least a portion of the light bar respectively.Type: ApplicationFiled: July 10, 2018Publication date: November 11, 2021Inventors: Wenyang LI, Zeyuan TONG, Rui HAN, Qing MA, Donglong LIN, Dong CUI, Bin LONG, Fujian REN, Peng WU, Zhipeng ZHANG, Daekeun YOON
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Publication number: 20210349353Abstract: A plastic frame component includes: a first frame strip, configured to match with a side edge of the display component to support the display device; a light source, disposed on the first frame strip and configured to emit light; and an optical path adjuster, disposed on the first frame strip. The first frame strip includes a first portion and a second portion that are connected to each other. The first portion and/or the second portion accommodate/accommodates the light source and the optical path adjuster, such that the first portion can protrude from the side edge of the display component and go beyond the display surface after the plastic frame component is assembled with the total reflection display component, and that the light emitted by the light source shines onto a display area of the display component after being adjusted by the optical path adjuster.Type: ApplicationFiled: November 21, 2018Publication date: November 11, 2021Inventors: Fei LIANG, Jingjun DU, Lingyu SUN, Xiuyun CHEN, Miao LIU, Zheng WANG, Xin GAI, Fei DONG, Liyu FANG, Tingxiu HOU, Daekeun YOON
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Publication number: 20210333464Abstract: The present disclosure provides a light guide plate, a manufacturing method thereof, a front-lighting and a display device. The light guide plate includes a light guide plate body having a first surface, a second surface, and a light incident surface, the light guide plate body is provided with a plurality of optical microstructures, refractive index of the optical microstructure is greater than that of the light guide plate body; a bottom surface of the optical microstructure is attached to the first surface; and the optical microstructure is configured such that when light passes through and emits from the optical microstructure from the light guide plate body, an angle between an emergence direction of the light and a vertical line relative to the bottom surface of the optical microstructure to be smaller than an incident angle of the light incident on the bottom surface of the optical microstructure.Type: ApplicationFiled: January 10, 2019Publication date: October 28, 2021Inventors: Xiuyun CHEN, Fei LIANG, Daekeun YOON, Ming CHEN
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Patent number: 10788614Abstract: An optical module and a display device are provided; the optical module includes a light guide plate, the light guide plate includes a first surface and a second surface that are opposite; the second surface includes a plurality of non-planar portions and a plurality of planar portions; at least one of the plurality of non-planar portions is between any two adjacent planar portions; and each non-planar portion includes a first light-transmitting inclined plane inclined with respect to the plurality of planar portions.Type: GrantFiled: April 10, 2019Date of Patent: September 29, 2020Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingjun Du, Fei Liang, Lingyu Sun, Xiuyun Chen, Daekeun Yoon, Miao Liu, Xin Gai, Zheng Wang, Fei Dong, Liyu Fang, Qingqing Ma, Xi Li, Tingxiu Hou
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Publication number: 20200237586Abstract: A method of controlling a motorized wheelchair including a seat frame supporting a seat, a back frame to which the seat frame is detachably connected, a first main wheel and a second main wheel respectively installed at both lower ends of the back frame, an inclination detecting sensor which detects an inclination, and a controller which controls the main wheel and the second main wheel, includes receiving an input for a turning operation, calculating an inclination angle of a running ground by the inclination detecting sensor, and determining whether the inclination angle is greater than a reference angle.Type: ApplicationFiled: January 10, 2020Publication date: July 30, 2020Inventors: Haemin CHOI, Wondong DO, Daekeun YOON, Jaebeom IM
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Publication number: 20200237591Abstract: Disclosed herein is a method of controlling a motorized wheelchair, the motorized wheelchair including a seat frame supporting a seat, a back frame to which the seat frame is detachably connected, a first main wheel and a second main wheel respectively installed at both lower ends of the back frame, an inclination detecting sensor which detects an inclination, and a controller which controls the main wheel and the second main wheel, the method includes receiving an input for a turning operation, calculating an inclination angle of a running ground by the inclination detecting sensor, and determining whether the inclination angle is greater than a reference angle.Type: ApplicationFiled: December 16, 2019Publication date: July 30, 2020Inventors: Haemin CHOI, Wondong DO, Daekeun YOON, Jaebeom IM, Induk CHOI
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Publication number: 20200237587Abstract: A method of controlling a motorized wheelchair according to an embodiment, the motorized wheelchair including a seat frame provided with a seat for seating of a user, a back frame provided with a backrest for supporting the user's back and detachably connected to the seat frame, and main wheels connected to a lower end of the back frame, may include inputting a reverse command to an input unit, outputting an image photographed by a rear camera installed in the back frame to an output unit, detecting, by a rear height difference sensor installed in bottom of the back frame, a height difference in the ground, determining whether the height difference detected by the rear height difference sensor is larger than or equal to a preset reference height difference, performing an emergency braking defined as activating a brake of the main wheels when the detected height difference is larger than or equal to the reference height difference, and outputting a warning about the detected height difference to the output uniType: ApplicationFiled: December 16, 2019Publication date: July 30, 2020Inventors: Haemin CHOI, Wondong DO, Daekeun YOON, Jaebeom IM, Induk CHOI