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).
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
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
-
Patent number: 11728817Abstract: The present invention relates to data communication and electrical circuits. More specifically, embodiments of the present invention provide a clock and data recovery (CDR) architecture implementation for high data rate wireline communication links. In an embodiment, a CDR device includes a phase detector, a loop filter, and a fractional-N PLL. The fractional-N PLL generates output clock signal based on output of the loop filter. There are other embodiments as well.Type: GrantFiled: January 3, 2022Date of Patent: August 15, 2023Assignee: MARVELL ASIA PTE LTDInventors: Mrunmay Talegaonkar, Jorge Pernillo, Junyi Sun, Praveen Prabha, Chang-Feng Loi, Yu Liao, Jamal Riani, Belal Helal, Karthik S. Gopalakrishnan, Aaron Buchwald
-
Publication number: 20230128274Abstract: A micro light emitting diode display device includes a circuit substrate, a plurality of positioning protrusions disposed on the circuit substrate, and a plurality of micro light emitting diodes. Each positioning protrusion has a positioning side surface and a bottom surface. A first angle is included between each positioning side surface and the corresponding bottom surface. The positioning protrusions form positioning spaces on the circuit substrate. The micro light emitting diodes are disposed in the separated positioning spaces and are electrically connected to the circuit substrate. Each micro light emitting diode has a light emitting surface and a side surface. Each light emitting surface is located at a side of the corresponding micro light emitting diode away from the circuit substrate. A second angle is included between each side surface and the corresponding light emitting surface and is less than 90 degrees and greater than or equal to the first angle.Type: ApplicationFiled: December 15, 2021Publication date: April 27, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Yu-Yun Lo, Bo-Wei Wu, Chang-Feng Tsai, Shiang-Ning Yang
-
Publication number: 20230105803Abstract: 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: ApplicationFiled: October 1, 2021Publication date: April 6, 2023Applicant: Advanced Semiconductor Engineering, Inc.Inventors: Mei-Ju LU, Jr-Wei LIN, Chang-Feng YOU
-
Patent number: 11612074Abstract: A waterproofing structure is disposed between a first assembling component and a second assembling component of an electronic device. The second assembling component is detachably installed on the first assembling component. The waterproofing structure includes a sealing component, an abutting component and a sliding component. The sealing component is located between the first assembling component and the second assembling component. The abutting component is fixed on the second assembling component. The sliding component is slidably installed on the first assembling component. When the sliding component slides along a first direction, the sliding component forces the abutting component to drive the second assembling component to move toward the first assembling component, so that the sealing component is pressed by the first assembling component and the second assembling component.Type: GrantFiled: May 31, 2020Date of Patent: March 21, 2023Assignee: Wistron CorporationInventors: Ji-Cheng Liao, Chang-Feng Lan, Hung-Sen Yang
-
Patent number: 11609597Abstract: An integrated circuit device, having functional circuitry driven by a clock signal, includes a first clock path for accepting an external clock signal where the first clock path includes first biasing circuitry configured to controllably pass the external clock signal, a second clock path for accepting an external frequency reference signal where the second clock path includes internal clock generation circuitry configured to generate an internal clock signal from the external frequency reference signal and second biasing circuitry configured to controllably pass the external frequency reference signal to the internal clock generation circuitry, and selector circuitry configured to select, based on user input, a clock output to drive the functional circuitry of the integrated circuit device. The clock output is selected from between (i) an output of the first clock path, and (ii) an output of the second clock path.Type: GrantFiled: December 13, 2021Date of Patent: March 21, 2023Assignee: Marvell Asia Pte LtdInventors: Li Cai, Sau Siong Chong, Chang-Feng Loi, Lawrence Tse