Patents by Inventor Fan Chen
Fan Chen 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: 11952596Abstract: Application of glutamate dehydrogenase GdhA of Peptostreptococcus asaccharolyticus in increasing the yield of poly-?-glutamic acid from Bacillus licheniformis. The glutamate dehydrogenase GdhA of the Bacillus licheniformis WX-02 per se is replaced with the glutamate dehydrogenase derived from the Peptostreptococcus asaccharolyticus by means of homologous recombination, which significantly increases the level of synthesizing the poly-?-glutamic acid for the Bacillus licheniformis, and the yield of the obtained poly-?-glutamic acid from strains is increased at least by more than 20% compared with control strains.Type: GrantFiled: September 30, 2020Date of Patent: April 9, 2024Assignee: Hubei UniversityInventors: Shouwen Chen, Fan Yang, Dongbo Cai, Yaozhong Chen, Qing Zhang, Xin Ma, Jiangang Chen
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Patent number: 11954939Abstract: An electronic device (200) includes a liquid crystal display (LCD) panel (204), a cover layer (218), one or more light sources (224), and an optical sensor module (226). The LCD panel (204) receives a contact input associated with a fingerprint of a user. The cover layer (218) includes a first major surface (228) and a second major surface (230) opposite to the first major surface (228), and is disposed on the LCD panel (204). The cover layer (218) defines a first axis (AA?) normal to the first major surface (228). The optical sensor module (226) receives a light from the predetermined fingerprint sensing area (222) to detect the fingerprint. The optical sensor module (226) at least partially overlaps with the predetermined fingerprint sensing area (222) along the plane of the first major surface (228). The optical sensor module (226) defines a second axis (BB?) normal to a surface of the optical sensor module (226).Type: GrantFiled: July 23, 2020Date of Patent: April 9, 2024Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jingfei Chen, Huijie Xie, Fan Long, Yan Yan Zhang, Zhe Hu
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Patent number: 11955567Abstract: A wide-band gap semiconductor device and a method of manufacturing the same are provided. The wide-band gap semiconductor device of the disclosure includes a substrate, an epitaxial layer, an array of merged PN junction Schottky (MPS) diode, and an edge termination area surrounding the array of MPS diode. The epitaxial layer includes a first plane, a second plane, and trenches between the first plane and the second plane. The array of MPS diode is formed in the first plane of the epitaxial layer. The edge termination area includes a floating ring region having floating rings formed in the second plane of the epitaxial layer, and a transition region between the floating ring region and the array of MPS diode. The transition region includes a PIN diode formed in the plurality of trenches and on the epitaxial layer between the trenches.Type: GrantFiled: February 16, 2022Date of Patent: April 9, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 11955002Abstract: This invention provides a system-oriented and fully-controlled connected automated vehicle highway system for various levels of connected and automated vehicles and highways. The system comprises one or more of: 1) a hierarchical traffic control network of Traffic Control Centers (TCC's), local traffic controller units (TCUs), 2) A RSU (Road Side Unit) network (with integrated functionalities of vehicle sensors, I2V communication to deliver control instructions), 3) OBU (On-Board Unit with sensor and V2I communication units) network embedded in connected and automated vehicles, and 4) wireless communication and security system with local and global connectivity. This system provides a safer, more reliable and more cost-effective solution by redistributing vehicle driving tasks to the hierarchical traffic control network and RSU network.Type: GrantFiled: July 26, 2022Date of Patent: April 9, 2024Assignee: CAVH LLCInventors: Bin Ran, Yang Cheng, Tianyi Chen, Shen Li, Jing Jin, Xiaoxuan Chen, Fan Ding, Zhen Zhang
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Patent number: 11955720Abstract: A beam adjustment assembly includes a phase shifter and a connecting plate. The phase shifter includes a circuit board and main dielectric slabs configured to shift a phase. The circuit board is provided with a first strip and a second strip that are spaced. The first strip and the second strip are configured to respectively connect to radiating elements of an antenna. The connecting plate is slidably assembled on the circuit board and is configured to control an electrical connection between the first strip and the second strip. When sliding, the main dielectric slab can push the connecting plate to slide to control a quantity of radiating elements in the antenna system. The sliding of the main dielectric slab in the phase shifter is used as a driving mechanism of the connecting plate.Type: GrantFiled: June 17, 2022Date of Patent: April 9, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Huabing Su, Lei Chen, Runxiao Zhang, Yixing Zeng, Fan Zhang, Ping Lv
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Publication number: 20240113512Abstract: An electronic device and a temperature detection device thereof are provided. The temperature detection device includes a differential stage circuit and an output stage circuit. The differential stage circuit includes a first differential end and a second differential end, and includes a cross-coupled transistor element, a first resistor and a second transistor. The cross-coupled transistor element receives a first voltage. The first resistor is coupled between the first differential end and a second voltage, and the first resistor is poly-silicon resistor. The second resistor is coupled between the second differential end and the second voltage, and the second resistor is a silicon carbide diffusion resistor. The output stage circuit generates a driving voltage according to a first control voltage on the first differential end and a second control voltage on the second differential end.Type: ApplicationFiled: November 30, 2022Publication date: April 4, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Publication number: 20240109908Abstract: A method for the reaction of an isatin and cyclopropenone compound at low catalytic amount. In the presence of an amine compound and phosphite, the isatin and cyclopropenone are reacted in an organic solvent using a silicon amino rare earth compound as a catalyst to synthesize pyrano[2,3-b]indol-2-one compounds. In the reaction above, the amount of catalyst is few, and noble metal is not needed for catalysis. The present method can achieve preparation of the pyrano[2,3]indol-2-one compound efficiently and simply.Type: ApplicationFiled: March 10, 2021Publication date: April 4, 2024Inventors: Fan XU, Qifa CHEN, Yue TENG, Zhigang YAO
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Patent number: 11949122Abstract: This application discloses a bidirectional vent valve, a battery, and an electrical device. The bidirectional vent valve includes: a valve seat, where the valve seat is configured to form a gas duct, and the gas duct includes a first end and a second end; a bidirectional valve assembly, where the bidirectional valve assembly is movably disposed in the gas duct, and is configured to open or close the gas duct through movement relative to the gas duct; and a first elastic component, configured to exert a force on the bidirectional valve assembly to close the air duct, and, when an air pressure difference between the first end and the second end of the gas duct is greater than a first threshold, the bidirectional valve assembly is configured to overcome the force of the first elastic component to open the gas duct.Type: GrantFiled: July 8, 2022Date of Patent: April 2, 2024Assignee: JIANGSU CONTEMPORARY AMPEREX TECHNOLOGY LIMITEDInventors: Heyuan Li, Fan Zhang, Lei Chen
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Patent number: 11947153Abstract: A backlight module and a display device are provided, and the backlight module includes a light guide plate, a plurality of light-emitting components, and a frame. The light guide plate includes a first side, a second side, and two third sides. The light-emitting components are disposed on the first side, and light generated from the light-emitting components enters the light guide plate from the first side. The frame covers the second side and the third sides and includes an opening and at least one buffer portion. The light-emitting components are disposed in the opening, and the buffer portion is disposed on a side of the opening and contacts the light guide plate.Type: GrantFiled: May 4, 2023Date of Patent: April 2, 2024Assignee: Radiant Opto-Electronics CorporationInventors: Hung-Pin Cheng, Shih-Fan Liu, Chien-Yu Ko, Jui-Lin Chen
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Publication number: 20240100507Abstract: Disclosed is a composition for inhibiting nitrate decomposition and its preparation method, which belongs to a field of photocatalytic technology, comprising: weighing titanium dioxide and pure phase metal carbonate or pure phase metal bicarbonate proportionally; adding the weighed pure phase metal carbonate or the pure phase metal bicarbonate to titanium dioxide for grinding to obtain a metal carbonate/bicarbonate-containing mixture. The method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate of the present disclosure has a significant ability to inhibit nitrate decomposition, and the experimental results show that the method of inhibiting nitrate decomposition using the metal carbonate/bicarbonate can effectively inhibit the decomposition of the nitrate under irradiation for a long time.Type: ApplicationFiled: March 24, 2023Publication date: March 28, 2024Inventors: Yanjuan SUN, Hong WANG, Fan DONG, Yangyang YU, Bangwei DENG, Si CHEN, Qin GENG
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Publication number: 20240106428Abstract: An electronic device and a temperature detection device thereof are provided. The temperature detection device includes a first resistor, a second resistor, and an operation circuit. The first resistor and the second resistor are coupled in series between a detection end and a first voltage. The first resistor and the second resistor divide a detection voltage on the detection end to generate a monitoring voltage. The operation circuit compares the monitoring voltage with a plurality of reference voltages to generate a plurality of comparison results. The operation circuit performs an operation on the comparison results to generate detection temperature information. The first resistor is a poly-silicon resistor and the second resistor is a silicon carbon (SiC) diffusion resistor.Type: ApplicationFiled: November 28, 2022Publication date: March 28, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Publication number: 20240102868Abstract: A driving voltage generating device includes a temperature detector, a controlling circuitry, a voltage generator, and an output stage circuitry. The temperature detector is coupled to a control terminal of a power transistor and is configured to generate temperature detection information by detecting an ambient temperature. The controlling circuitry is coupled to the temperature detector and generates an activation signal by determining whether the ambient temperature is abnormal according to the temperature detection information. The voltage generator generates an operation power according to the activation signal. The output stage circuitry is coupled to the voltage generator, generates a driving voltage according to the operation power, and provides the driving voltage to the control terminal of the power transistor.Type: ApplicationFiled: November 2, 2022Publication date: March 28, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Publication number: 20240105664Abstract: A package structure includes a first RDL, an adhesive layer and a first electronic component. Upper bumps and conductive pads are provided on a first upper surface and a first lower surface of the first RDL, respectively. The adhesive layer is located on the first upper surface of the first RDL and surrounds the upper bumps. The first electronic component is mounted on the adhesive layer and includes conductors which are visible from an active surface of the first electronic component and joined to the upper bumps, the active surface of the first electronic component faces toward the first upper surface of the first RDL. Two adhesive surfaces of the adhesive layer are adhered to the first upper surface of the first RDL and the active surface of the first electronic component, respectively.Type: ApplicationFiled: August 16, 2023Publication date: March 28, 2024Inventors: Yu-Chung Huang, Hsin-Yen Tsai, Fa-Chung Chen, Cheng-Fan Lin, Chen-Yu Wang
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Publication number: 20240101537Abstract: Provided are organometallic compounds comprising a carbazole group as the central moiety to which at least two further groups selected from carbazole and benzo[d]benzo[4,5]imidazo[1,2-a]imidazole are attached. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.Type: ApplicationFiled: July 26, 2023Publication date: March 28, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan CHEN, Tyler FLEETHAM, Sean Michael RYNO, Peter WOLOHAN
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Publication number: 20240106069Abstract: A battery module and an electric vehicle are provided by the present application. The battery module includes a case body and at least one tray; at least one exhaust port is defined in the case body, at least one tray mounting cavity is defined in the case body, and the case body includes a first mounting surface surrounding a periphery of the tray; the tray is disposed in the tray mounting cavity to divide the tray mounting cavity into a cell accommodating cavity located above the tray and a pressure relief cavity located below the tray, the tray is provided with through holes facing battery cells, the pressure relief cavity is communicated with the through holes and the exhaust port, respectively, and the cell accommodating cavity is configured to accommodate the battery cells; the tray includes a second mounting surface, and the second mounting surface abuts against the first mounting surface.Type: ApplicationFiled: October 11, 2022Publication date: March 28, 2024Applicant: EVE POWER CO., LTD.Inventors: Fan Li, Ying Huang, Zhaohai Chen, Zhiwei Chen, Wencong Qiu, Yan Rao, Honghu Wang, Shuxian Chen
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Publication number: 20240102869Abstract: A temperature sensing device includes a resistor string and a control circuitry. The resistor string includes a variable resistor, a first resistor, and a second resistor which are coupled in series with each other. The resistor string is coupled between a sensing end and a reference ground voltage. The first resistor and the second resistor are coupled to a monitoring end to provide a monitoring voltage. The control circuitry compares the monitoring voltage with a plurality of reference voltages to generate sensing temperature information, and generate adjustment information according to the sensing temperature information. The control circuitry adjusts a resistance provided by the variable resistor according to the adjustment information. The first resistor is a polysilicon resistor, and the second resistor is a silicon carbide diffusion resistor.Type: ApplicationFiled: November 2, 2022Publication date: March 28, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 11940828Abstract: A voltage tracking circuit is provided. The voltage tracking circuit includes first and second P-type transistors and a control circuit. The drain of the first P-type transistor is coupled to a first voltage terminal. The gate and the drain of the second P-type transistor are respectively coupled to the first voltage terminal and a second voltage terminal. The control circuit is coupled to the first and second voltage terminals and generates a control voltage according to the first voltage and the second voltage. The sources of the first and second P-type transistors are coupled to an output terminal of the voltage tracking circuit, and the output voltage is generated at the output terminal. In response to the second voltage being higher than the first voltage, the control circuit generates the control signal to turn off the first P-type transistor.Type: GrantFiled: August 17, 2022Date of Patent: March 26, 2024Assignee: VANGUARD INTERNATIONAL SEMICONDUCTOR CORPORATIONInventors: Shao-Chang Huang, Yeh-Ning Jou, Ching-Ho Li, Kai-Chieh Hsu, Chun-Chih Chen, Chien-Wei Wang, Gong-Kai Lin, Li-Fan Chen
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Publication number: 20240099125Abstract: Provided are neutral Pt or Pd organometallic compounds comprising a tetradentate ligand, wherein the organometallic compound comprises at least one Pt—C or Pd—C bond. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these organometallic compounds.Type: ApplicationFiled: October 5, 2023Publication date: March 21, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan CHEN, Elena SHEINA, Peter WOLOHAN, Noah HORWITZ, Fadi M. JRADI, Alexey Borisovich DYATKIN, Derek Ian WOZNIAK
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Publication number: 20240099123Abstract: Provided are novel compounds having a structure of that are useful as emitters in OLEDs.Type: ApplicationFiled: October 18, 2023Publication date: March 21, 2024Applicant: Universal Display CorporationInventors: Hsiao-Fan CHEN, Nicholas J. Thompson, Tyler Fleetham, Peter Wolohan, Jason Brooks, Morgan C. Macinnis, Sean Michael Ryno, Ivan Milas
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Publication number: 20240096800Abstract: A semiconductor device includes first and second active regions extending in parallel in a substrate, a plurality of conductive patterns, each conductive pattern of the plurality of conductive patterns extending on the substrate across each of the first and second active regions, and a plurality of metal lines, each metal line of the plurality of metal lines overlying and extending across each of the first and second active regions. Each conductive pattern of the plurality of conductive patterns is electrically connected in parallel with each metal line of the plurality of metal lines.Type: ApplicationFiled: November 27, 2023Publication date: March 21, 2024Inventors: Fei Fan DUAN, Fong-yuan CHANG, Chi-Yu LU, Po-Hsiang HUANG, Chih-Liang CHEN