Patents by Inventor Liang Gao
Liang Gao 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: 11567604Abstract: A display module includes a display panel, a flexible circuit board, a driving control chip, a touch control chip and a protective structure. The flexible circuit board is bonded to the display panel. The driving control chip is located on the display panel or the flexible circuit board. The touch control chip is located on the flexible circuit board or the display panel. The protective structure covers the driving control chip and/or the touch control chip. And the protective structure includes a first insulating layer, a heat dissipation layer and an electromagnetic shielding layer that are sequentially disposed away from the display panel.Type: GrantFiled: October 20, 2021Date of Patent: January 31, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Feifan Li, Ajuan Du, Liang Gao, Xiaoxia Huang, Hao Sun, Bin Wang, Dong Wang, Enjian Yang, Hufei Yang, Shuang Zhang
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Patent number: 11550090Abstract: A polarizer can have high contrast. This high contrast polarizer can be useful in applications requiring minimal leakage of an undesired polarization through the polarizer. The high contrast polarizer can include a substrate sandwiched between a reflective polarizer and an absorptive polarizer. The high contrast polarizer can include a reflective polarizer sandwiched between a substrate and an absorptive polarizer. The high contrast polarizer can include an absorptive polarizer sandwiched between reflective polarizers.Type: GrantFiled: October 21, 2020Date of Patent: January 10, 2023Assignee: Moxtek, Inc.Inventor: Liang Gao
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Patent number: 11538434Abstract: A timing controller includes a receiver and a processor. The receiver is configured to receive image signals of image frames to be displayed. The processor is configured to determine refresh rates of the image frames to be displayed according to the image signals of the image frames to be displayed, and output different control signals according to different refresh rates of the image frames to be displayed.Type: GrantFiled: September 24, 2020Date of Patent: December 27, 2022Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Bo Ran, Xianyong Gao, Ying Zhang, Yunsong Li, Shanbin Chen, Zhicai Xu, Sijun Lei, Liang Gao
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Patent number: 11513280Abstract: A light guide plate, a backlight module and a display device are disclosed. The light guide plate includes: a first optical path control layer, a second optical path control layer, and a light guide layer that are sequentially stacked. A plurality of prism structures are provided on a side of the first optical path control layer distal to the second optical path control layer. The first optical path control layer, the second optical path control layer, and the light guide layer all extend in a first direction. The first optical path control layer is configured to deflect the light that enters the first optical path control layer from the light guide layer through the second optical path control layer, so that the deflected light passes through the second optical path control layer and is emitted from the light exit surface of the light guide layer.Type: GrantFiled: July 30, 2020Date of Patent: November 29, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Hai Tang, Liang Gao, Jianwei Qin, Lu Gao, Bo Han
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Patent number: 11513394Abstract: A dual-die device, a display device and a driving method thereof are provided. The dual-die device includes: a first light emitting die for emitting light containing short-wave blue light; a second light emitting die for emitting light from which short-wave blue light is filtered out; and a control circuit. The control circuit is connected to the first light emitting die and the second light emitting die, and configured to control the first light emitting die or the second light emitting die to be turned on.Type: GrantFiled: December 4, 2019Date of Patent: November 29, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Dengqian Li, Hebing Ma, Sijun Lei, Liang Gao, Yansheng Sun, Chaojie Zhang, Jian Chen
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Publication number: 20220376202Abstract: A heat dissipation film for a display module, and a preparation method of a display device. The heat dissipation film comprises a composite structure layer and a removable protective film disposed on the composite structure layer. The composite structure layer has a first side surface and a second side surface disposed opposite to each other, and is provided with a preconfigured hole passing through the first side surface and the second side surface. The first side surface of the composite structure layer adheres to a side of the display module facing away from a display side. The protective film is attached to the second side surface of the composite structure layer. The protective film is provided with a shielding region covering the preconfigured hole. The shielding region and the rest of the protective film can all be independently torn off from the composite structure layer.Type: ApplicationFiled: July 7, 2021Publication date: November 24, 2022Inventors: Enjian YANG, Hao SUN, Liang GAO, Ajuan DU, Xing PENG, Shuang ZHANG, Dong WANG, Bin WANG, Feifan LI, Hufei YANG, Xiaoxia HUANG
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Patent number: 11493775Abstract: Polarizing optical devices described herein, and polarizing optical devices resulting from methods described herein, can be small and can have high heat tolerance. Wires of wire grid polarizers can be attached directly to prisms of the polarizing optical devices, allowing for small size. Multiple polarizing optical devices can be attached by adhesive-free bonding techniques, allowing high heat tolerance.Type: GrantFiled: September 28, 2020Date of Patent: November 8, 2022Assignee: Moxtek, Inc.Inventors: Liang Gao, Shaun Ogden
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Patent number: 11469211Abstract: A Chip-On-Film structure, a displaying base plate and a displaying device, wherein the Chip-On-Film structure includes a first substrate; a plurality of driving chips provided on one side of the first substrate, and a plurality of first leads that are connected to the plurality of driving chips; and the plurality of first leads are for binding a displaying base plate, and a quantity of the first leads is greater than or equal to a sum of quantities of channels of the plurality of driving chips.Type: GrantFiled: April 6, 2021Date of Patent: October 11, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Shuang Zhang, Weihong Wu, Feifan Li, Ajuan Du, Xiaoxia Huang, Liang Gao, Hufei Yang, Enjian Yang, Hao Sun, Bin Wang, Dong Wang
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Patent number: 11442299Abstract: Disclosed are a display module, a display device and a viewing-angle switching method. The display module includes a backlight module, a display panel, a lower polarizer sheet, a viewing-angle switching element and a transparent cover plate; the viewing-angle switching element and the transparent cover plate are arranged between the display panel and the lower polarizer sheet, and the transparent cover plate is arranged on a side of the viewing-angle switching element that is close to the lower polarizer sheet; the backlight module is configured to supply light that meets a preset condition, the viewing-angle switching element is configured to switch viewing-angle modes of the display module; the viewing-angle modes include; a first viewing-angle mode and a second viewing-angle mode; and a viewing-angle range of the first viewing-angle mode is smaller than a viewing angle range of the second viewing-angle mode.Type: GrantFiled: May 13, 2020Date of Patent: September 13, 2022Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Pan Yuan, Sijun Lei, Liang Gao, Xianyong Gao, Yansheng Sun, Yunsong Li, Zhicai Xu, Yong Long, Ying Zhang, Dengqian Li, Guojian Zhang, Fanjian Zeng, Shanbin Chen, Sen Tan, Hebing Ma, Chaojie Zhang, Song Liu, Xinzhi Shao, Yong Deng, Xiangchao Chen, Genchuan Yan, Ying Yang, Xinyu Wang
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Publication number: 20220287183Abstract: Disclosed in embodiments of the present disclosure are a flexible circuit board assembly, a display assembly and a display device. The flexible circuit board assembly includes: a first flexible circuit board, including a component part, the component part being provided with components; and a first wave absorbing layer, disposed on the component part and configured to cover the components. The display assembly includes a display module and the flexible circuit board assembly; the display module includes a module body and a second binding part, and the second binding part is configured to be bent to a back surface of the module body; and the first flexible circuit board is located on the back surface of the module body and includes a first binding part, and the first binding part is bound and connected to the second binding part of the display module.Type: ApplicationFiled: March 26, 2021Publication date: September 8, 2022Inventors: Qizhong CHEN, Bing JI, Liang GAO
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Publication number: 20220267588Abstract: The present disclosure relates to a composition, a substrate and a preparation method of a light reflection layer. The composition comprises: a matrix material and an additive, the matrix material including a solvent, reactant molecules and a material with reflection function dispersed in the solvent, wherein the reactant molecules is capable of undergoing cross-linking reaction under a first preset condition, and include monomer molecules and/or prepolymer molecules; the additive including a filler material that is in the form of powder or microspheres, capable of being dispersed in the matrix material, and filled between the crosslinking points of any adjacent reactant molecules to block the crosslinking reaction of some adjacent reactant molecules under the first preset condition.Type: ApplicationFiled: September 20, 2021Publication date: August 25, 2022Applicants: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Bing ZHANG, Teng ZHANG, Xiaolin GENG, Liang GAO
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Patent number: 11413007Abstract: Methods and systems for measuring one or more properties of a soft material employ air transmitted ultrasound that is reflected from the soft material to generate a mechanical wave in the soft material. A method of measuring one or more properties of a soft material includes transmitting ultrasound through air to an interface boundary between the soft material and air. Force is applied to the soft material by reflecting the ultrasound from the soft material. A mechanical wave is generated in the soft material as a result of the force applied to the soft material. Propagation of the mechanical wave in the soft material is measured with an imaging system. One or more properties of the soft material is determined based on the measured propagation of the mechanical wave in the soft material.Type: GrantFiled: May 26, 2017Date of Patent: August 16, 2022Assignee: University of WashingtonInventors: Lukasz Ambrozinski, Matthew O'Donnell, Ivan Pelivanov, Soon Joon Yoon, David Li, Shaozhen Song, Ruikang K. Wang, Tueng T. Shen, Liang Gao
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Patent number: 11385396Abstract: A collimating device includes at least one microstructure portion. Each microstructure portion includes a bottom surface; a side surface connected to the bottom surface, an angle between the side surface and the bottom surface being an obtuse angle; and a top surface opposite to the bottom surface and connected to the side surface, the top surface being a convex free-form surface.Type: GrantFiled: May 9, 2020Date of Patent: July 12, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hai Tang, Liang Gao, Bing Zhang, Xiaolin Geng
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Patent number: 11365434Abstract: The present invention provides an enzymatic method for producing a fatty acid bornyl ester including using borneol and a fatty acid as a substrate for reaction and adding a lipase in a solvent system or a solvent-free system to catalyze the esterification reaction for a period of time to obtain fatty acid bornyl ester. The present method preferably uses fatty acids or their derivatives as acyl donors to prepare fatty acid bornyl esters. By utilizing the characteristics of the substrate, the synthesis process is simple; the reaction efficiency is high; and the content of fatty acid bornyl ester is up to 97%.Type: GrantFiled: September 18, 2020Date of Patent: June 21, 2022Assignee: Jiangnan UniversityInventors: Xiaosan Wang, Yu Zhao, Liang Gao, Qingzhe Jin, Xingguo Wang
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Patent number: 11346995Abstract: A backlight module includes a first light source, a first light guide plate, and an anti-peeping component, wherein the first light source is an edge-type light source of the first light guide plate, the first light guide plate is provided with a light emitting surface and a backlight surface that are opposite, wherein the anti-peeping component is on the light emitting surface, a refractive index of a dielectric in contact with the backlight surface is less than a refractive index of the first light guide plate; the anti-peeping component includes anti-peeping structures that is provided with a first surface proximal to the first light guide plate, a second surface distal from the first light guide plate, and two opposite third surfaces intersecting both the first surface and the second surface, an included angle between the third surface and the first surface being an obtuse angle.Type: GrantFiled: December 13, 2019Date of Patent: May 31, 2022Assignees: Hefei BOE Optoelectronics Technology Co., LTD., BOE Technology Group Co., LTD.Inventors: Hai Tang, Liang Gao
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Patent number: 11347104Abstract: Embodiments of the present disclosure provide a backlight module, a liquid crystal display apparatus, and a method of manufacturing the backlight module. The backlight module includes: a support plate including a first surface; a light source fixed to the first surface of the support plate, having a light exit face, and configured to emit a light from the light exit face; an adhesion assembly disposed on the first surface of the support plate, and including at least one adhesion part extending from the light exit face of the light source in a direction away from the light source; and a light guide plate including: a bottom surface adhered to the first surface of the support plate through the at least one adhesion part of the adhesion assembly; a top surface located opposite to the bottom surface and serving as a light exit face of the light guide plate; and a side surface surrounding the bottom surface and the top surface. A portion of the side surface serves as a light entry face of the light guide plate.Type: GrantFiled: August 30, 2019Date of Patent: May 31, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chaojie Zhang, Liang Gao, Sijun Lei, Yansheng Sun, Dengqian Li
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Patent number: 11335262Abstract: The present disclosure provides a pixel circuit, a control method for the same, and a display device. The pixel circuit comprises a pixel driving circuit, a mode selecting circuit, and a light emitting device. The pixel driving circuit is configured to output a driving current. The mode selecting circuit is configured to select a different light emitting mode according to a different mode selecting signal. The light emitting device is configured to emit light having a different brightness according to a different light emitting mode. The light emitting device comprises a first electrode structure, a second electrode structure, and a functional layer between the first electrode structure and the second electrode structure. The mode selecting circuit comprises a first switching sub-circuit and a second switching sub-circuit.Type: GrantFiled: June 2, 2020Date of Patent: May 17, 2022Assignees: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Jia Sun, Sijun Lei, Xianyong Gao, Liang Gao, Fanjian Zeng, Yansheng Sun, Yunsong Li, Huan Wu, Peng Zhang, Bo Ran, Haijun Liao
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Patent number: 11335238Abstract: A signal transmission method is applied to a receiving terminal so as to improve the anti-interference capability of the signals on the transmission line, and the signal transmission method includes: receiving a signal sent by a transmitting terminal through a transmission line; detecting whether there is a transmission error in the received signal; and when there is a transmission error in the received signal, adjusting at least one parameter of specified parameters affecting an anti-interference capability of signals on the transmission line, and/or controlling the transmitting terminal to adjust the at least one parameter of the specified parameters affecting the anti-interference capability of signals on the transmission line.Type: GrantFiled: July 26, 2019Date of Patent: May 17, 2022Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xianyong Gao, Sijun Lei, Xu Lu, Liang Gao, Shanbin Chen, Bo Ran, Yansheng Sun
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Publication number: 20220121311Abstract: A display module includes a display panel, a flexible circuit board, a driving control chip, a touch control chip and a protective structure. The flexible circuit board is bonded to the display panel. The driving control chip is located on the display panel or the flexible circuit board. The touch control chip is located on the flexible circuit board or the display panel. The protective structure covers the driving control chip and/or the touch control chip. And the protective structure includes a first insulating layer, a heat dissipation layer and an electromagnetic shielding layer that are sequentially disposed away from the display panel.Type: ApplicationFiled: October 20, 2021Publication date: April 21, 2022Inventors: Feifan LI, Ajuan DU, Liang GAO, Xiaoxia HUANG, Hao SUN, Bin WANG, Dong WANG, Enjian YANG, Hufei YANG, Shuang ZHANG
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Patent number: 11307342Abstract: An optical collimation assembly, a backlight module and a display device are disclosed. The optical collimation assembly includes: a collimation film including a light incident surface and a light exiting surface; and a light modulation component, located on the light incident surface of the collimation film and includes a plurality of light modulation portions arranged in an array. Each of the plurality of light modulation portions includes: a first surface; a second surface; and a third surface intersecting both the first surface and the second surface, an included angle between the third surface and the first surface is an acute angle, wherein the third surface is configured to reflect light entering the light modulation portion from the second surface, such that the light being reflected exits from the collimation film along a direction substantially perpendicular to the light exiting surface.Type: GrantFiled: February 17, 2020Date of Patent: April 19, 2022Assignees: Hefei BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Hai Tang, Liang Gao, Yong Hu, Jianwei Qin