Patents by Inventor Chang Feng
Chang Feng 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: 20240191124Abstract: The present invention relates to the technical field of heat storage materials. Disclosed are a coal-based heat storage carbon material and a preparation method therefor and the application thereof, and a composition for preparing a coal-based heat storage carbon material and the application of the composition. The coal-based heat storage material comprises component A and component B. The ID/IG of component A is 0-0.6, and the ID/IG of component B is greater than 1, wherein ID is the height of a D peak obtained by means of a Raman spectrum, and IG is the height of a G peak obtained by means of the Raman spectrum. In the coal-based heat storage material, the crystallite size Lc in a c-axis direction obtained by means of XRD is 15-70 nm; the crystallite size La in an a-axis direction is 15-150 nm; and the interlayer spacing d002 of a (002) crystal plane is 3.345-3.370 nm.Type: ApplicationFiled: November 26, 2021Publication date: June 13, 2024Applicants: CHINA ENERGY INVESTMENT CORPORATION LIMITED, NATIONAL INSTITUTE OF CLEAN-AND-LOW-CARBON ENERGYInventors: Guanghui GAO, Chang WEI, Wenbin LIANG, Junqing LIU, Chunting DUAN, Dongfang ZHENG, Bo FENG, Kai REN, Ying SHENG, Chengyu WEN
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Patent number: 12009456Abstract: A light-emitting diode structure including a semiconductor stack layer is provided. The semiconductor stack layer includes a first type semiconductor layer, an active layer, and a second type semiconductor layer. The active layer is disposed on the first type semiconductor layer. The second type semiconductor layer is disposed on the active layer. A side wall at any side of the semiconductor stack layer includes a rough surface. A manufacturing method of a light-emitting diode structure is also provided.Type: GrantFiled: November 6, 2021Date of Patent: June 11, 2024Assignee: PlayNitride Display Co., Ltd.Inventors: Bo-Wei Wu, Yu-Yun Lo, Shiang-Ning Yang, Chang-Feng Tsai
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Patent number: 12002710Abstract: A semiconductor structure and method of forming the same are provided. The method includes: forming a plurality of mandrel patterns over a dielectric layer; forming a first spacer and a second spacer on sidewalls of the plurality of mandrel patterns, wherein a first width of the first spacer is larger than a second width of the second spacer; removing the plurality of mandrel patterns; patterning the dielectric layer using the first spacer and the second spacer as a patterning mask; and forming conductive lines laterally aside the dielectric layer.Type: GrantFiled: July 9, 2020Date of Patent: June 4, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yu-Hsin Chan, Jiing-Feng Yang, Kuan-Wei Huang, Meng-Shu Lin, Yu-Yu Chen, Chia-Wei Wu, Chang-Wen Chen, Wei-Hao Lin, Ching-Yu Chang
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Patent number: 11988920Abstract: A direct-lit backlight module includes a substrate, an optical layer that forms an accommodating space with the substrate, first light emitting units in the accommodating space, second light emitting units in the accommodating space and a control unit electrically connected to the first light emitting units and the second light emitting units. The first light emitting units emit light towards the optical layer and have a first viewing angle. The second light emitting units emit light towards the optical layer and have a second viewing angle. The control unit provides a control signal to selectively drive the first light emitting units and the second light emitting units. The first light emitting units are adjacent to the second light emitting units. The first light emitting units and the second light emitting units are arranged alternately. The first viewing angle is larger than the second viewing angle.Type: GrantFiled: October 11, 2023Date of Patent: May 21, 2024Assignee: Qisda CorporationInventors: Chang-Min Shao, Pin-Feng Yu, Jyun-Sheng Syu
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Patent number: 11986763Abstract: A remote control system for gas detection and purification is disclosed and includes a remote control device, a gas detection module and a gas purification device. The remote control device includes a gas inlet and a gas outlet. The gas detection module is disposed in the remote control device and in communication with the gas outlet to detect the gas located in an indoor space. The gas detection module provides and outputs a gas detection datum, and the remote control device transmits an operation command via wireless transmission. The gas purification device is disposed in the indoor space and receives the operating instruction transmitted from the remote control device to be operated. When the gas purification device is under the activated state, the gas in the indoor space is purified, and the purification operation mode of the gas purification device is adjusted according to the first gas detection datum.Type: GrantFiled: November 30, 2020Date of Patent: May 21, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Yang Ku, Chang-Yen Tsai, Wei-Ming Lee
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Publication number: 20240142823Abstract: A direct-lit backlight module includes a substrate, an optical layer that forms an accommodating space with the substrate, first light emitting units in the accommodating space, second light emitting units in the accommodating space and a control unit electrically connected to the first light emitting units and the second light emitting units. The first light emitting units emit light towards the optical layer and have a first viewing angle. The second light emitting units emit light towards the optical layer and have a second viewing angle. The control unit provides a control signal to selectively drive the first light emitting units and the second light emitting units. The first light emitting units are adjacent to the second light emitting units. The first light emitting units and the second light emitting units are arranged alternately. The first viewing angle is larger than the second viewing angle.Type: ApplicationFiled: October 11, 2023Publication date: May 2, 2024Applicant: Qisda CorporationInventors: Chang-Min SHAO, Pin-Feng YU, Jyun-Sheng SYU
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Patent number: 11974191Abstract: A method (50) of, a node device (100) and a computer program product arranged for alerting node devices in a network of operatively interconnected node devices by transmitting an alerting message comprising a geographic location address of an originator node device (21) transmitting the alerting message and a moving direction (12) of an object (11) receiving service from the originator node device (21). When a receiving node device (24, 25) determines, based on its geographic location address, the geographic location address of the originator node device (21) and the moving direction (12), that the object (11) is approaching the receiving node device (24, 25), it transmits the alerting message comprising the geographic location address of the originator node device (21) and the moving direction (12).Type: GrantFiled: December 15, 2020Date of Patent: April 30, 2024Assignee: SIGNIFY HOLDING B.V.Inventors: Lei Feng, Chang Jie Wang, Gong Ming Wei
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Patent number: 11972072Abstract: The present disclosure provides an electronic device including a first sensing circuit, a second sensing circuit and a power line. The first sensing circuit includes a first sensing unit and a first transistor, and a first end of the first sensing unit is coupled to a control end of the first transistor. The second sensing circuit includes a second sensing unit and a second transistor, and a first end of the second sensing unit is coupled to a control end of the second transistor. A first end of the first transistor and a first end of the second transistor are coupled to the power line.Type: GrantFiled: November 1, 2022Date of Patent: April 30, 2024Assignee: InnoLux CorporationInventors: Shu-Fen Li, Chuan-Chi Chien, Hsiao-Feng Liao, Rui-An Yu, Chang-Chiang Cheng, Po-Yang Chen, I-An Yao
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Patent number: 11944935Abstract: A gas detection purification device is disclosed and includes a main body, a purification unit, a gas guider, a gas detection module and a controlling-driving module. The main body includes an inlet, an outlet, an external socket and a gas-flow channel disposed between the inlet and the outlet. The purification unit is disposed in the gas-flow channel for filtering gas introduced through the gas-flow channel. The gas guider is disposed in the gas channel and located at a side of the purification unit. The gas is inhaled through the inlet, flows through the purification unit and is discharged out through the outlet. The gas detection module is plugged into or detached from the external socket. The controlling driving module is disposed within the main body and electrically connected to the gas guider to control the operation of the gas guider in an enabled state and a disabled state.Type: GrantFiled: December 2, 2020Date of Patent: April 2, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Wei-Ming Lee, Tsung-I Lin
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Patent number: 11937903Abstract: A blood pressure device includes a first blood pressure measuring device, a second blood pressure measuring device, and a controller. The first blood pressure measuring device is to be worn on a first position of a wrist so as to obtain a first blood pressure information of the first position. The second blood pressure measuring device is to be worn on a second position of the wrist so as to obtain a second blood pressure information of the second position. The controller is electrically coupled to the first blood pressure measuring device and the second blood pressure measuring device so as to adjust tightness between the expanders and the user's skin, respectively. The controller receives, processes, and calculates a pulse transit time between the first blood pressure information and the second blood pressure information, and the controller obtains at least one blood pressure value based on the pulse transit time.Type: GrantFiled: December 29, 2020Date of Patent: March 26, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Wei-Ming Lee, Chun-Yi Kuo, Chin-Wen Hsieh
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Publication number: 20240092318Abstract: An end cover assembly, an air cylinder, a tread sweeper and a railway vehicle.Type: ApplicationFiled: October 9, 2020Publication date: March 21, 2024Inventors: Qingbing GOU, Anxu WU, Chang FENG, Yuchen ZHANG, Bo WU, Hao XU, Zichen WANG, Xun CHEN, Dongdong WANG, Meng WAN
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Publication number: 20240094763Abstract: An integrated circuit device having functional circuitry driven by a clock signal includes onboard clock generation circuitry. The clock generation circuitry includes an input configured to accept a frequency reference signal, at least one variable loading capacitor coupled to the input for converting the crystal resonator signal into a calibrated clock signal, and calibration circuitry configured to calibrate the at least one variable loading capacitor based on a reference voltage. The input configured to accept a frequency reference signal may be configured to accept a crystal resonator signal.Type: ApplicationFiled: November 20, 2023Publication date: March 21, 2024Inventors: Li Cai, Sau Siong Chong, Chang-Feng Loi, Lawrence Tse
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Publication number: 20240097067Abstract: A manufacturing method of an electronic element module is provided. The method includes: disposing a plurality of first micro-light-emitting diodes on a first temporary substrate; and replacing at least one defective micro-light-emitting diode of the first micro-light-emitting diodes with at least one second micro-light-emitting diode. The first micro-light-emitting diodes and at least one second micro-light-emitting diode are distributed on the first temporary substrate. The first micro-light-emitting diodes and at least one second micro-light-emitting diode have same properties, and at least one of the appearance difference, the height difference and the orientation difference exists between the first micro-light-emitting diodes and at least one second micro-light-emitting diode. A semiconductor structure and a display panel are also provided.Type: ApplicationFiled: December 4, 2023Publication date: March 21, 2024Applicant: PlayNitride Display Co., Ltd.Inventors: Bo-Wei Wu, Yu-Yun Lo, Chien-Chen Kuo, Chang-Feng Tsai, Tzu-Yang Lin
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Publication number: 20240077567Abstract: An auxiliary positioning system includes an ultra-wideband (UWB) element, and a service management and orchestration (SMO) apparatus and a near-real time ran intelligent controller (Near-RT RIC) connected with each other, wherein the SMO apparatus includes a non-real time ran intelligent controller (Non-RT RIC). The UWB element is connected to a second application disposed at at least one of the SMO apparatus, the Near-RT RIC and the Non-RT RIC through a first application. The UWB element is configured to output positioning information of a user device to the second application through the first application.Type: ApplicationFiled: March 14, 2023Publication date: March 7, 2024Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATIONInventors: Encheng LIOU, Lien-Feng CHEN, Chang-Han YANG
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Publication number: 20240080378Abstract: A system for expansion of open radio access network includes a service management and orchestration (SMO) apparatus and a near-real time ran intelligent controller (Near-RT RIC) connected with each other, wherein the SMO apparatus includes a non-real-time ran intelligent controller (Non-RT RIC). Each of the SMO apparatus, the Near-RT RIC and the Non-RT RIC includes a first decoder, and at least one of the SMO apparatus, the Near-RT RIC and the Non-RT RIC includes a second decoder. The first decoder is configured to decode a first packet of a first communication protocol, the second decoder is configured to decode a second packet of a second communication protocol, and the first communication protocol is different from the second communication protocol.Type: ApplicationFiled: March 17, 2023Publication date: March 7, 2024Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATIONInventors: Encheng LIOU, Lien-Feng CHEN, Chang-Han YANG
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Patent number: 11911460Abstract: A lipid delivery system, a virus-like structure (VLS) vaccine constructed therefrom, and a lipid particle capable of encapsulating an mRNA molecule encoding a SARS-CoV-2-specific antigen are provided. After the lipid particle encapsulates an mRNA molecule encoding a SARS-CoV-2 antigen, a SARS-CoV-2 S1 antigen protein can be embedded on a surface of an envelope structure of the lipid under specific buffer conditions to produce a VLS vaccine with an antigen-encoding mRNA molecule encapsulated inside and an outer membrane presenting a required viral antigen protein. The vaccine has a superior specific antibody-inducing ability to a SARS-CoV-2 mRNA vaccine and a polypeptide vaccine, can maintain a long-lasting high antibody level, and can also exhibit excellent immune binding abilities for the emerging different variants.Type: GrantFiled: August 1, 2023Date of Patent: February 27, 2024Assignees: Weirui Biotechnology (Kunming) Co., LTD., Shandong Weigao Litong Biological Products Co., Ltd.Inventors: Qihan Li, Kaili Ma, Yanmei Li, Jingjing Zhang, Lichun Wang, Changyong Mu, Xiaowu Peng, Yanrui Su, Chang'e Liu, Liping He, Lin Feng, Dongxiu Gao, An Wang, Hongbing Li, Gang Xu, Fuyun He, Lichun Zheng, Hongkun Yi
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Patent number: 11901479Abstract: A manufacturing method of an electronic element module is provided. The method includes: disposing a plurality of first microelectronic elements on a first temporary substrate; and replacing at least one defective microelectronic element of the first microelectronic elements with at least one second microelectronic element. The first microelectronic elements and at least one second microelectronic element are distributed on the first temporary substrate. The first microelectronic elements and at least one second microelectronic element have same properties, and at least one of the appearance difference, the height difference and the orientation difference exists between the first microelectronic elements and at least one second microelectronic element. A semiconductor structure and a display panel are also provided.Type: GrantFiled: May 19, 2021Date of Patent: February 13, 2024Assignee: PlayNitride Display Co., Ltd.Inventors: Bo-Wei Wu, Yu-Yun Lo, Chien-Chen Kuo, Chang-Feng Tsai, Tzu-Yang Lin
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Patent number: 11868173Abstract: An integrated circuit device having functional circuitry driven by a clock signal includes onboard clock generation circuitry. The clock generation circuitry includes an input configured to accept a frequency reference signal, at least one variable loading capacitor coupled to the input for converting the crystal resonator signal into a calibrated clock signal, and calibration circuitry configured to calibrate the at least one variable loading capacitor based on a reference voltage. The input configured to accept a frequency reference signal may be configured to accept a crystal resonator signal.Type: GrantFiled: December 13, 2021Date of Patent: January 9, 2024Assignee: Marvell Asia Pte LtdInventors: Li Cai, Sau Siong Chong, Chang-Feng Loi, Lawrence Tse
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Patent number: 11835757Abstract: An optoelectronic package is provided. The optoelectronic package includes a photonic component. The photonic component has a bottom surface and a lateral surface. The lateral surface of the photonic component includes a light coupling region and a non-light coupling plane. The non-light coupling plane contacts the bottom surface. The light coupling region and the non-light coupling plane are not aligned.Type: GrantFiled: October 1, 2021Date of Patent: December 5, 2023Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Mei-Ju Lu, Jr-Wei Lin, Chang-Feng You
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Publication number: 20230339436Abstract: An abrasive block mounting and dismounting assembly, a mounting and dismounting method, a wheel tread cleaning device, and a railway vehicle.Type: ApplicationFiled: October 9, 2020Publication date: October 26, 2023Inventors: Anxu WU, Bo WU, Yuchen ZHANG, Hao XU, Chang FENG, Zichen WANG, Dongdong WANG, Xun CHEN