Patents by Inventor Cheng-Wen Chang
Cheng-Wen Chang 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: 20240145398Abstract: A carrier structure is provided, in which at least one positioning area is defined on a chip-placement area of a package substrate, and at least one alignment portion is disposed on the positioning area. Therefore, the precision of manufacturing the alignment portion is improved by disposing the positioning area on the chip-placement area, such that the carrier structure can provide a better alignment mechanism for the chip placement operation.Type: ApplicationFiled: December 8, 2022Publication date: May 2, 2024Applicant: SILICONWARE PRECISION INDUSTRIES CO., LTD.Inventors: Cheng-Liang HSU, Wan-Rou CHEN, Hsin-Yin CHANG, Tsung-Li LIN, Hsiu-Jung LI, Chiu-Lien LI, Fu-Quan XU, Yi-Wen LIU, Chih-Chieh SUN
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Patent number: 11968869Abstract: An electronic device includes a flexible substrate and a conductive wire. The conductive wire is disposed on the flexible substrate and includes a metal portion and a plurality of openings disposed in the metal portion. The metal portion includes a plurality of extending portions and a plurality of joint portions, and each of the openings is surrounded by two of the plurality of extending portions and two of the plurality of joint portions. A ratio of a sum of widths of the plurality of extending portions to a sum of widths of the plurality of joint portions is in a range from 0.8 to 1.2.Type: GrantFiled: April 28, 2022Date of Patent: April 23, 2024Assignee: InnoLux CorporationInventors: Ya-Wen Lin, Chien-Chih Chen, Yen-Hsi Tu, Cheng-Wei Chang, Shu-Hui Yang
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Publication number: 20240113112Abstract: Methods of cutting gate structures and fins, and structures formed thereby, are described. In an embodiment, a substrate includes first and second fins and an isolation region. The first and second fins extend longitudinally parallel, with the isolation region disposed therebetween. A gate structure includes a conformal gate dielectric over the first fin and a gate electrode over the conformal gate dielectric. A first insulating fill structure abuts the gate structure and extends vertically from a level of an upper surface of the gate structure to at least a surface of the isolation region. No portion of the conformal gate dielectric extends vertically between the first insulating fill structure and the gate electrode. A second insulating fill structure abuts the first insulating fill structure and an end sidewall of the second fin. The first insulating fill structure is disposed laterally between the gate structure and the second insulating fill structure.Type: ApplicationFiled: December 1, 2023Publication date: April 4, 2024Inventors: Ryan Chia-Jen Chen, Cheng-Chung Chang, Shao-Hua Hsu, Yu-Hsien Lin, Ming-Ching Chang, Li-Wei Yin, Tzu-Wen Pan, Yi-Chun Chen
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Patent number: 11942420Abstract: A semiconductor device includes a first gate structure extending along a first lateral direction. The semiconductor device includes a first interconnect structure, disposed above the first gate structure, that extends along a second lateral direction perpendicular to the first lateral direction. The first interconnect structure includes a first portion and a second portion electrically isolated from each other by a first dielectric structure. The semiconductor device includes a second interconnect structure, disposed between the first gate structure and the first interconnect structure, that electrically couples the first gate structure to the first portion of the first interconnect structure. The second interconnect structure includes a recessed portion that is substantially aligned with the first gate structure and the dielectric structure along a vertical direction.Type: GrantFiled: June 8, 2022Date of Patent: March 26, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Guo-Huei Wu, Hui-Zhong Zhuang, Chih-Liang Chen, Cheng-Chi Chuang, Shang-Wen Chang, Yi-Hsun Chiu
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Publication number: 20240096805Abstract: In an embodiment, a method of forming a structure includes forming a first transistor and a second transistor over a first substrate; forming a front-side interconnect structure over the first transistor and the second transistor; etching at least a backside of the first substrate to expose the first transistor and the second transistor; forming a first backside via electrically connected to the first transistor; forming a second backside via electrically connected to the second transistor; depositing a dielectric layer over the first backside via and the second backside via; forming a first conductive line in the dielectric layer, the first conductive line being a power rail electrically connected to the first transistor through the first backside via; and forming a second conductive line in the dielectric layer, the second conductive line being a signal line electrically connected to the second transistor through the second backside via.Type: ApplicationFiled: December 1, 2023Publication date: March 21, 2024Inventors: Shang-Wen Chang, Yi-Hsun Chiu, Cheng-Chi Chuang, Ching-Wei Tsai, Wei-Cheng Lin, Shih-Wei Peng, Jiann-Tyng Tzeng
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Patent number: 10824383Abstract: The present disclosure discloses a display device, which includes a casing, a plurality of proximity sensors, a communication module, a display screen, and a processing module. The proximity sensors are disposed with respect to the side walls of the casing, and the proximity sensors generate a position signal when other display device is close to the casing. The communication module is disposed in the casing, and the communication module is used for communicating with the other display device. The processing module electrically connects to the proximity sensors and the communication module. The processing module controls the display screen to show a particular frame according to the position signal, and the other display screen of the other display device to show the other particular frame via the communication module, wherein the particular frame is capable of being combined with the other particular frame to be an entire frame.Type: GrantFiled: July 2, 2019Date of Patent: November 3, 2020Assignee: Pegatron CorporationInventors: Cheng-Wen Chang, Chen-Yu Tsai, Chun-Yuan Wang, Cheng-Yi Lee
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Patent number: 10613588Abstract: The application discloses a portable electronic device comprising a casing, a rotating shaft, a driving assembly, a flexible display and a supporting member. The housing has a long axis opening. The rotating shaft and the driving assembly are disposed in the housing, and the driving assembly is connected to the rotating shaft. The flexible display is wound around the rotating shaft. A first side of the flexible display is connected to the rotating shaft and a second side is located in the long axis opening. A first end of the supporting member is fixed to the driving assembly. When the second side of the flexible display moves outward from the long axis opening, the rotating shaft rotates and drives the driving assembly to drive a second end of the supporting member to move from the long axis opening toward the second side of the flexible display.Type: GrantFiled: April 23, 2019Date of Patent: April 7, 2020Assignee: Pegatron CorporationInventors: Cheng-Wen Chang, Chen-Yu Tsai, Chun-Yuan Wang, Cheng-Yi Lee
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Publication number: 20200012472Abstract: The present disclosure discloses a display device, which includes a casing, a plurality of proximity sensors, a communication module, a display screen, and a processing module. The proximity sensors are disposed with respect to the side walls of the casing, and the proximity sensors generate a position signal when other display device is close to the casing. The communication module is disposed in the casing, and the communication module is used for communicating with the other display device. The processing module electrically connects to the proximity sensors and the communication module. The processing module controls the display screen to show a particular frame according to the position signal, and the other display screen of the other display device to show the other particular frame via the communication module, wherein the particular frame is capable of being combined with the other particular frame to be an entire frame.Type: ApplicationFiled: July 2, 2019Publication date: January 9, 2020Inventors: CHENG-WEN CHANG, CHEN-YU TSAI, CHUN-YUAN WANG, CHENG-YI LEE
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Publication number: 20190324502Abstract: The application discloses a portable electronic device comprising a casing, a rotating shaft, a driving assembly, a flexible display and a supporting member. The housing has a long axis opening. The rotating shaft and the driving assembly are disposed in the housing, and the driving assembly is connected to the rotating shaft. The flexible display is wound around the rotating shaft. A first side of the flexible display is connected to the rotating shaft and a second side is located in the long axis opening. A first end of the supporting member is fixed to the driving assembly. When the second side of the flexible display moves outward from the long axis opening, the rotating shaft rotates and drives the driving assembly to drive a second end of the supporting member to move from the long axis opening toward the second side of the flexible display.Type: ApplicationFiled: April 23, 2019Publication date: October 24, 2019Inventors: Cheng-Wen CHANG, CHEN-YU TSAI, CHUN-YUAN WANG, CHENG-YI LEE
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Patent number: 9267518Abstract: A holder mechanism for holding a handheld device is provided which includes a holder base and a gripping assembly. The gripping assembly is movably mounted on the holder base. The gripping assembly includes an elastic element, a first gripping module, and a second gripping module. The elastic element has a first end fixed to the first gripping module and a second end fixed to the second gripping module. Whereby, the second gripping module can move relative to the first gripping module to grip the handheld device when the elastic element is elastically deformed to apply a resilient force to the second gripping module.Type: GrantFiled: March 31, 2015Date of Patent: February 23, 2016Assignee: TAER INNOVATION CO., LTD.Inventor: Cheng-Wen Chang
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Publication number: 20150275943Abstract: A holder mechanism for holding a handheld device is provided which includes a holder base and a gripping assembly. The gripping assembly is movably mounted on the holder base. The gripping assembly includes an elastic element, a first gripping module, and a second gripping module. The elastic element has a first end fixed to the first gripping module and a second end fixed to the second gripping module. Whereby, the second gripping module can move relative to the first gripping module to grip the handheld device when the elastic element is elastically deformed to apply a resilient force to the second gripping module.Type: ApplicationFiled: March 31, 2015Publication date: October 1, 2015Inventor: CHENG-WEN CHANG
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Publication number: 20140292393Abstract: A gate voltage generating circuit to provide a gate voltage to a transistor switch is disclosed. The gate voltage generating circuit includes a first voltage generating circuit and a second voltage generating circuit. The first voltage generating circuit supplies a first voltage to a gate electrode of the transistor switch. The second voltage generating circuit supplies a second voltage to the gate electrode of the transistor switch. The second voltage is larger than a voltage to turn on the transistor switch. The first voltage is larger than the second voltage.Type: ApplicationFiled: March 29, 2013Publication date: October 2, 2014Applicant: Advanced Power Electronics Corp.Inventor: Cheng-Wen Chang
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Publication number: 20140240884Abstract: The over current protection circuit is coupled to a current path between an output end of a switch and a load. The over current protection circuit includes a first over current detection unit, a second over current detection unit and a control unit. The first over current detection unit is disposed between the current path and a first voltage, and generates a first control signal according to a current in the current path. The second over current detection unit is disposed between the current path and a second voltage, and generates a second control signal according to a current in the current path. The control unit is coupled with the first over current detection unit and the second over current detection unit, and controls the switch according to the first control signal or the second control signal to reduce the current in the current path.Type: ApplicationFiled: February 25, 2013Publication date: August 28, 2014Applicant: ADVANCED POWER ELECTRONICS CORP.Inventor: Cheng-Wen CHANG
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Publication number: 20140097802Abstract: The present invention discloses a charging system for charging a capacitor. The charge system includes at least one unit gain buffer, driven by a plurality of driving voltages, each unit gain buffer having a positive input terminal for receiving a target voltage and a negative input terminal coupled to an output terminal, a plurality of switches coupled between the plurality of driving voltages and the capacitor, and a switch control waveform generator, coupled to the plurality of switches, for switching on one of the for a specific driving voltage among the plurality of driving voltages to drive one of the at least one unit gain buffer to charge the capacitor.Type: ApplicationFiled: February 21, 2013Publication date: April 10, 2014Applicant: NOVATEK Microelectronics Corp.Inventors: Wing-Kai Tang, Cheng-Wen Chang
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Publication number: 20140067437Abstract: A booking management method for amusement parks determine if a facility is bookable or not at first. If the facility is bookable, visitors can book the facility via a device in the amusement park, such as a handheld device. Then they can more around anywhere in the amusement park until they obtain an admission message. When the visitor obtains the admission message, the visitor can go to the facility. Therefore, this booking management system is a fantastic way to reduce waiting time and can maximize visitors enjoyment of their visit.Type: ApplicationFiled: September 5, 2012Publication date: March 6, 2014Inventor: Cheng-Wen CHANG
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Publication number: 20130241501Abstract: The present invention discloses a charging system for charging a capacitor. The charge system includes a unit gain buffer, driven by a driving voltage, having a positive input terminal for receiving a target voltage and a negative input terminal coupled to an output terminal, at least one independent voltage source, for providing at least one voltage, a first switch coupled between the unit gain buffer and the capacitor, at least one second switch coupled between the at least one independent voltage source and the capacitor, and a switch control waveform generator, coupled to the first switch and the at least one second switch, for sequentially turning on at least one of the first switch and the at least one second switch for at least one of the unit gain buffer and the at least one independent voltage source to sequentially charge the capacitor.Type: ApplicationFiled: November 14, 2012Publication date: September 19, 2013Applicant: NOVATEK MICROELECTRONICS CORP.Inventor: Cheng-Wen Chang
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Patent number: 7806261Abstract: A cushion case for mobile computer is provided. The cushion case for mobile computer comprises a perimeter belt padding and a panel padding. The perimeter belt padding has two lateral side padding portions, a bottom padding portion, and a lid padding portion. The panel padding has a top panel padding portion and a base panel padding portion. The perimeter belt padding is sewn onto the panel padding, and the two lateral side padding portions form two lateral side walls of the cushion case, the bottom padding portion forms the bottom side wall of the cushion case, the lid padding portion forms the lid of the cushion case and is capable of being opened and closed, the top panel padding portion forms the top panel wall of the cushion case, and the base panel padding portion forms the base panel wall of the cushion case.Type: GrantFiled: March 3, 2009Date of Patent: October 5, 2010Inventor: Cheng-Wen Chang
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Publication number: 20090230007Abstract: A cushion case for mobile computer is provided. The cushion case for mobile computer comprises a perimeter belt padding and a panel padding. The perimeter belt padding has two lateral side padding portions, a bottom padding portion, and a lid padding portion. The panel padding has a top panel padding portion and a base panel padding portion. The perimeter belt padding is sewn onto the panel padding, and the two lateral side padding portions form two lateral side walls of the cushion case, the bottom padding portion forms the bottom side wall of the cushion case, the lid padding portion forms the lid of the cushion case and is capable of being opened and closed, the top panel padding portion forms the top panel wall of the cushion case, and the base panel padding portion forms the base panel wall of the cushion case.Type: ApplicationFiled: March 3, 2009Publication date: September 17, 2009Inventor: Cheng-Wen Chang
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Publication number: 20090094420Abstract: A data access method and a memory using the same are provided in the present invention. In the data access method, a central processing unit (CPU) write command and a display read command are directly input to a memory in order to optimize the operation time.Type: ApplicationFiled: December 21, 2007Publication date: April 9, 2009Applicant: Novatek Microelectronics Corp.Inventor: Cheng-Wen Chang
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Patent number: D771614Type: GrantFiled: May 25, 2015Date of Patent: November 15, 2016Assignee: TAER INNOVATION CO., LTD.Inventor: Cheng-Wen Chang