Patents by Inventor Lihua Wang
Lihua Wang 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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Publication number: 20220327994Abstract: Provided are a driver circuit, a light-emitting panel and a preparation method thereof, and a display device. The driver circuit includes a terminal connection module, a drive module, and a short-circuit protection module. The terminal connection module, the drive module, and the short-circuit protection module are connected in series between a first power supply terminal and a second power supply terminal, and the short-circuit protection module is connected in series between the terminal connection module and the second power supply terminal. The terminal connection module is connected to an original light-emitting unit so that the original light-emitting unit is connected in series between the first power supply terminal and the second power supply terminal. The short-circuit protection module is configured to be disconnected in a case where the original light-emitting unit is short-circuited.Type: ApplicationFiled: June 22, 2022Publication date: October 13, 2022Applicant: Shanghai Tianma Microelectronics Co., Ltd.Inventors: Xiaoping SUN, Qiang DONG, Lihua WANG
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Publication number: 20220320060Abstract: Provided are a light-emitting panel and a display device. The light-emitting panel includes a base substrate, a first reflective layer and multiple light-emitting elements, and at least one second reflective portion. The first reflective layer and the multiple light-emitting elements are located on the base substrate. The first reflective layer includes a first reflective portion and multiple hollow portions. The multiple light-emitting elements are located in the multiple hollow portions. A gap exists between each of the multiple light-emitting elements in each of the multiple hollow portions and the first reflective portion. The at least one second reflective portion is located between the base substrate and the first reflective layer. In a direction perpendicular to a plane where the base substrate is located, the at least one second reflective portion covers the gap.Type: ApplicationFiled: June 21, 2022Publication date: October 6, 2022Applicants: Shanghai Tianma Microelectronics Co., Ltd., Chengdu Tianma Microelectronics Co., Ltd.Inventors: Pengfei QIU, Lihua WANG
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Patent number: 11411151Abstract: A light emitting panel and a display device are provided. The light emitting panel includes a carrier substrate, and multiple connection electrodes, multiple first electrode leads and multiple second electrode leads that are arranged on the carrier substrate. Each connection electrode includes a first sub-connection electrode and a second sub-connection electrode isolated from each other. The connection electrodes are divided into a first connection electrode group to an N-th connection electrode group. An i-th connection electrode group includes connection electrodes. N is an integer greater than or equal to 2, and i is a positive integer less than or equal to N. First sub-connection electrodes in the i-th connection electrode group are electrically connected with a same first electrode lead, and second sub-connection electrodes in the i-th connection electrode group are respectively connected with different second electrode leads.Type: GrantFiled: November 9, 2020Date of Patent: August 9, 2022Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiaoping Sun, Lihua Wang, Conghua Ma, Liwen Lu
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Publication number: 20220227712Abstract: A cholinesterase inhibitor polymorph, wherein specifically disclosed are a octahydroaminoacridine succinate polymorph, a corresponding crystal composition and pharmaceutical composition, and applications thereof. The compound octahydroaminoacridine succinate is used for screening and studying polymorphs, and the discovered polymorphs are appraised and evaluated; crystal forms having better physical and chemical properties are determined for subsequent development and study, and crystal forms having good stability and an excellent therapeutic effect are obtained.Type: ApplicationFiled: January 21, 2020Publication date: July 21, 2022Applicants: CHANGCHUN HUAYUAN HIGH-SCIENCE AND TECHNOLOGY CO., LTD., JIANGSU SHENERYANG HIGH-SCIENCE AND TECHNOLOGY CO., LTD.Inventors: Tonghui WANG, Ju ZHANG, Lihua WANG, Depu WANG, Yaxin ZHANG, Qinghua YU, Qi ZHANG, Mingze LI
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Publication number: 20220214394Abstract: A circuit board and a method for electrical performance detection thereof, a display panel, a method for fabricating a display panel, and a method for driving the display panel are provided. In the electrical performance detection, the signal output terminal is electrically connected to the detection terminal, and detection is performed on the drive signal by the electrical performance detection circuit to determine whether the circuit board is abnormal, achieving the electrical performance detection of the circuit board. In addition, in a process other than the electrical performance detection, the signal output terminal is disconnected from the detection terminal to avoid affecting a normal operation of the circuit board. The electrical performance detection of the circuit board is realized, a defective circuit board is prevented from flowing into a subsequent fabricating procedure, and waste of assembling resources is avoided.Type: ApplicationFiled: March 25, 2022Publication date: July 7, 2022Applicant: Shanghai AVIC OPTO Electronics Co., Ltd.Inventors: Pengfei QIU, Lihua WANG, Yimiao DING, Tingting LI, Shumian XU, Yang NAN
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Patent number: 11348542Abstract: Provided is a driving method for a display device. The driving method includes: obtaining, by the driving chip, a theoretical brightness value of the light-emitting diode in each of the plurality of light-exiting sub-areas based on an image to be displayed on the display panel; obtaining an actual brightness look-up table, searching the actual brightness look-up table for an actual brightness value closest to the theoretical brightness value, and setting the actual brightness value closest to the theoretical brightness value as a first brightness value; and generating a first pulse signal based on the first brightness value and outputting the first pulse signal to the switch in each of the plurality of light-exiting sub-areas, in such a manner that the switch controls, under driving of the first pulse signal, the light-emitting diode to emit light under an action of a first power supply signal and a second power supply signal.Type: GrantFiled: July 30, 2020Date of Patent: May 31, 2022Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Conghua Ma, Lihua Wang, Xiaoping Sun, Qiang Dong
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Patent number: 11335249Abstract: A light-emitting panel and a brightness adjustment method, and a display device are provided. The method includes providing the light-emitting panel including a substrate, a plurality of light-emitting units, a control circuit, and a plurality of signal lines. The control circuit includes a data signal input terminal, a data storage unit, and a plurality of first signal terminals. The data storage unit is configured to store a first voltage signal and a first pulse width modulation signal corresponding to a different grayscale value. Each signal line connects a light-emitting unit with a first signal terminal. The method also includes obtaining a to-be-displayed screen, and determining each grayscale value of a corresponding light-emitting unit of the plurality of light-emitting units. Further, the method includes according to different grayscale values, calling the first pulse width modulation signal and the first voltage signal corresponding to each grayscale value in the data storage unit.Type: GrantFiled: April 20, 2021Date of Patent: May 17, 2022Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Conghua Ma, Xiaoping Sun, Lihua Wang, Qiang Dong, Yue Yang, Qiongqin Mao, Juan Wu, Jiayin Tang
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Patent number: 11315502Abstract: A backlight drive method, a backlight drive device, a backlight source system, and a display device are provided in the present disclosure. The backlight drive method is used to drive a light-emitting region of a backlight source of the display device. Driving the light-emitting region of the backlight source includes acquiring actual ambient brightness of an ambient where the display device is located. Driving the light-emitting region of the backlight source further includes determining a target backlight brightness range of light exited from the light-emitting region with reference to the actual ambient brightness, where the target backlight brightness range is within an intrinsic brightness range of the light-emitting region. Driving the light-emitting region of the backlight source further includes matching the target backlight brightness range to a plurality of gray levels preset in the light-emitting region.Type: GrantFiled: July 20, 2020Date of Patent: April 26, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Xiongping Li, Xiaoping Sun, Lihua Wang, Conghua Ma, Qiang Dong
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Publication number: 20220123916Abstract: A method applicable to a receiver circuit, including: performing a cross-correlation operation upon at least one time-domain signal on at least one receiver path of the receiver circuit according to a local sequence signal, to estimate at least one time offset amount of the at least one time-domain signal as at least one time offset compensation amount; and, performing time offset compensation upon the at least one time-domain signal on the at least one receiver path according to the at least one time offset compensation amount.Type: ApplicationFiled: July 4, 2021Publication date: April 21, 2022Applicant: Realtek Semiconductor Corp.Inventor: LIHUA WANG
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Patent number: 11283590Abstract: A method of controlling a multi-antenna communication system includes: obtaining a first baseband signal through a first antenna; performing a cross-correlation calculation on the first baseband signal and default information during a period of time, thereby to obtain a plurality of cross-correlation calculation results; calculating energy of the first baseband signal to obtain a first energy value; determining connectivity state of the first antenna according to the first energy value and the cross-correlation calculation results; and controlling a signal processing circuit of the multi-antenna communication system according to the connectivity state of the first antenna.Type: GrantFiled: January 28, 2021Date of Patent: March 22, 2022Assignee: Realtek Semiconductor Corp.Inventor: Lihua Wang
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Publication number: 20220068175Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a plurality of light-emitting components arranged in an array, a plurality of signal calculation modules, and a reference-signal generation module. A light-emitting component includes a light-emitting module and a first switch module. The light-emitting module and the first switch module are connected in series between a first power terminal and a second power terminal. A control terminal of the first switch module is connected to a signal calculation module, and the signal calculation module is connected to the reference-signal generation module. The reference-signal generation module is configured to generate a reference signal. The signal calculation module is configured to receive an original data signal and the reference signal, and generate a first data signal. The signal calculation module is further configured to generate a pulse width modulation signal, and to control the light-emitting module to emit light.Type: ApplicationFiled: November 24, 2020Publication date: March 3, 2022Inventors: Qiang DONG, Lihua WANG, Xiaoping SUN, Conghua MA
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Publication number: 20220068193Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction.Type: ApplicationFiled: November 24, 2020Publication date: March 3, 2022Inventors: Lihua WANG, Xiaoping SUN, Conghua MA, Qiang DONG
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Patent number: 11263938Abstract: A light-emitting panel and a display device are provided. The light-emitting panel includes a plurality of light-emitting components arranged in an array, a plurality of signal calculation modules, and a reference-signal generation module. A light-emitting component includes a light-emitting module and a first switch module. The light-emitting module and the first switch module are connected in series between a first power terminal and a second power terminal. A control terminal of the first switch module is connected to a signal calculation module, and the signal calculation module is connected to the reference-signal generation module. The reference-signal generation module is configured to generate a reference signal. The signal calculation module is configured to receive an original data signal and the reference signal, and generate a first data signal. The signal calculation module is further configured to generate a pulse width modulation signal, and to control the light-emitting module to emit light.Type: GrantFiled: November 24, 2020Date of Patent: March 1, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Qiang Dong, Lihua Wang, Xiaoping Sun, Conghua Ma
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Patent number: 11244603Abstract: Light-emitting panel, driving method, fabricating method, and display device are provided. The light-emitting panel includes a plurality of light-emitting units arranged in an array. Each light-emitting unit includes a light-emission control module and at least one light-emitting element. The at least one light-emitting element is electrically connected to the light-emission control module. The light-emitting panel also includes a plurality of data lines arranged in a first direction. Each data line is electrically connected to light-emission control modules of light-emitting units that are arranged in a second direction. The second direction intersects the first direction. The light-emitting panel also includes a plurality of scan lines arranged in the second direction. Each scan line of the plurality of scan lines is electrically connected to light-emission control modules of light-emitting units that are arranged in the first direction.Type: GrantFiled: November 24, 2020Date of Patent: February 8, 2022Assignee: Shanghai Tianma Micro-Electronics Co., Ltd.Inventors: Lihua Wang, Xiaoping Sun, Conghua Ma, Qiang Dong
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Patent number: 11239789Abstract: A floating photovoltaic power station and a load-bearing system thereof are provided according to the present application. The load-bearing system of the floating photovoltaic power station includes an aisle floating body providing buoyancy and forming a first operation and maintenance passage. The aisle floating body is provided with a fixing portion for fixedly connecting with a front side of a photovoltaic assembly, and one photovoltaic assembly is only fixedly connected to one aisle floating body located on the front side of the photovoltaic assembly. In the load-bearing system of the floating photovoltaic power station, the aisle floating body can support the photovoltaic assembly, and can provide buoyancy at the same time.Type: GrantFiled: February 18, 2020Date of Patent: February 1, 2022Assignee: HUAINAN SUNGROW FLOATING MODULE SCI. & TECH. CO., LTD.Inventors: Lihua Wang, Yukun Wang, Duo Li, Fuqin Xiao, Weiwu Wu
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Patent number: 11207669Abstract: The supporter material for catalyst includes a main body alumina and a rod-shaped alumina. The main body alumina is provided with micron-sized pore channels, at least part of the rod-shaped alumina is distributed on the exterior surface of the main body alumina and/or in the micron-sized pore channels with a pore diameter D within a range of 3-10 ?m; the rod-shaped alumina has a length of 1-12 ?m and a diameter of 80-300 nm. The alumina supporter material is used as a residual oil hydrogenation catalyst supporter to facilitate a long period operation of the residual oil hydrogenation, and has high demetalization rate, desulfurization rate and denitrification rate.Type: GrantFiled: October 26, 2018Date of Patent: December 28, 2021Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, DALIAN RESEARCH INSTITUTE OF PETROLEUM AND PETROCHEMICALS, SINOPEC CORP.Inventors: Honghai Ji, Huicheng Zhang, Fengxiang Ling, Shaojun Wang, Zhiqi Shen, Weiya Yang, Lihua Wang
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Publication number: 20210385063Abstract: A method of controlling a multi-antenna communication system includes: obtaining a first baseband signal through a first antenna; performing a cross-correlation calculation on the first baseband signal and default information during a period of time, thereby to obtain a plurality of cross-correlation calculation results; calculating energy of the first baseband signal to obtain a first energy value; determining connectivity state of the first antenna according to the first energy value and the cross-correlation calculation results; and controlling a signal processing circuit of the multi-antenna communication system according to the connectivity state of the first antenna.Type: ApplicationFiled: January 28, 2021Publication date: December 9, 2021Inventor: LIHUA WANG
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Publication number: 20210375219Abstract: Provided is a driving method for a display device. The driving method includes: obtaining, by the driving chip, a theoretical brightness value of the light-emitting diode in each of the plurality of light-exiting sub-areas based on an image to be displayed on the display panel; obtaining an actual brightness look-up table, searching the actual brightness look-up table for an actual brightness value closest to the theoretical brightness value, and setting the actual brightness value closest to the theoretical brightness value as a first brightness value; and generating a first pulse signal based on the first brightness value and outputting the first pulse signal to the switch in each of the plurality of light-exiting sub-areas, in such a manner that the switch controls, under driving of the first pulse signal, the light-emitting diode to emit light under an action of a first power supply signal and a second power supply signal.Type: ApplicationFiled: July 30, 2020Publication date: December 2, 2021Inventors: Conghua MA, Lihua WANG, Xiaoping SUN, Qiang DONG
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Publication number: 20210376209Abstract: Provided are a light emitting device and manufacturing method thereof, a backlight module, a display panel and a display device. The manufacturing method includes: providing a substrate; forming a circuit layer on a side of the substrate; providing at least one switching element and at least one light emitting element; and electrically connecting the switching element and the light emitting element to the circuit layer. The circuit layer includes a first power signal line, a second power signal line, and a pulse width modulation signal line; the switching element includes a control terminal, a first terminal and a second terminal; the light emitting element is electrically connected between the first terminal and the first power signal line, or the light emitting element is electrically connected between the second terminal and the second power signal line.Type: ApplicationFiled: September 3, 2020Publication date: December 2, 2021Inventors: Lihua Wang, Xiaoping Sun, Conghua Ma, Qiang Dong
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Publication number: 20210375218Abstract: A backlight drive method, a backlight drive device, a backlight source system, and a display device are provided in the present disclosure. The backlight drive method is used to drive a light-emitting region of a backlight source of the display device. Driving the light-emitting region of the backlight source includes acquiring actual ambient brightness of an ambient where the display device is located. Driving the light-emitting region of the backlight source further includes determining a target backlight brightness range of light exited from the light-emitting region with reference to the actual ambient brightness, where the target backlight brightness range is within an intrinsic brightness range of the light-emitting region. Driving the light-emitting region of the backlight source further includes matching the target backlight brightness range to a plurality of gray levels preset in the light-emitting region.Type: ApplicationFiled: July 20, 2020Publication date: December 2, 2021Inventors: Xiongping LI, Xiaoping SUN, Lihua WANG, Conghua MA, Qiang DONG