Patents by Inventor Wei-Cheng Liao
Wei-Cheng Liao 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: 11982866Abstract: An optical element driving mechanism is provided and includes a fixed assembly, a movable assembly, a driving assembly and a stopping assembly. The fixed assembly has a main axis. The movable assembly is configured to connect an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly. The stopping assembly is configured to limit the movement of the movable assembly relative to the fixed assembly within a range of motion.Type: GrantFiled: December 15, 2022Date of Patent: May 14, 2024Assignee: TDK TAIWAN CORP.Inventors: Chao-Chang Hu, Liang-Ting Ho, Chen-Er Hsu, Yi-Liang Chan, Fu-Lai Tseng, Fu-Yuan Wu, Chen-Chi Kuo, Ying-Jen Wang, Wei-Han Hsia, Yi-Hsin Tseng, Wen-Chang Lin, Chun-Chia Liao, Shou-Jen Liu, Chao-Chun Chang, Yi-Chieh Lin, Shang-Yu Hsu, Yu-Huai Liao, Shih-Wei Hung, Sin-Hong Lin, Kun-Shih Lin, Yu-Cheng Lin, Wen-Yen Huang, Wei-Jhe Shen, Chih-Shiang Wu, Sin-Jhong Song, Che-Hsiang Chiu, Sheng-Chang Lin
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Package structure comprising buffer layer for reducing thermal stress and method of forming the same
Patent number: 11961777Abstract: A package structure and a method of forming the same are provided. The package structure includes a first die, a second die, a first encapsulant, and a buffer layer. The first die and the second die are disposed side by side. The first encapsulant encapsulates the first die and the second die. The second die includes a die stack encapsulated by a second encapsulant encapsulating a die stack. The buffer layer is disposed between the first encapsulant and the second encapsulant and covers at least a sidewall of the second die and disposed between the first encapsulant and the second encapsulant. The buffer layer has a Young's modulus less than a Young's modulus of the first encapsulant and a Young's modulus of the second encapsulant.Type: GrantFiled: June 27, 2022Date of Patent: April 16, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Chih Chen, Chien-Hsun Lee, Chung-Shi Liu, Hao-Cheng Hou, Hung-Jui Kuo, Jung-Wei Cheng, Tsung-Ding Wang, Yu-Hsiang Hu, Sih-Hao Liao -
Patent number: 11948949Abstract: In some embodiments, the present disclosure relates to a device having a semiconductor substrate including a frontside and a backside. On the frontside of the semiconductor substrate are a first source/drain region and a second source/drain region. A gate electrode is arranged on the frontside of the semiconductor substrate and includes a horizontal portion, a first vertical portion, and a second vertical portion. The horizontal portion is arranged over the frontside of the semiconductor substrate and between the first and second source/drain regions. The first vertical portion extends from the frontside towards the backside of the semiconductor substrate and contacts the horizontal portion of the gate electrode structure. The second vertical portion extends from the frontside towards the backside of the semiconductor substrate, contacts the horizontal portion of the gate electrode structure, and is separated from the first vertical portion by a channel region of the substrate.Type: GrantFiled: July 15, 2022Date of Patent: April 2, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chun-Yuan Chen, Ching-Chun Wang, Hsiao-Hui Tseng, Jen-Cheng Liu, Jhy-Jyi Sze, Shyh-Fann Ting, Wei Chuang Wu, Yen-Ting Chiang, Chia Ching Liao, Yen-Yu Chen
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Patent number: 11940737Abstract: A method includes receiving a device design layout and a scribe line design layout surrounding the device design layout. The device design layout and the scribe line design layout are rotated in different directions. An optical proximity correction (OPC) process is performed on the rotated device design layout and the rotated scribe line design layout. A reticle includes the device design layout and the scribe line design layout is formed after performing the OPC process.Type: GrantFiled: May 7, 2021Date of Patent: March 26, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Hsueh-Yi Chung, Yung-Cheng Chen, Fei-Gwo Tsai, Chi-Hung Liao, Shih-Chi Fu, Wei-Ti Hsu, Jui-Ping Chuang, Tzong-Sheng Chang, Kuei-Shun Chen, Meng-Wei Chen
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Publication number: 20230280805Abstract: A heat dissipation structure includes a heat dissipation member and a fixed member. The fixed member has a first surface and a second surface oppositely. The heat dissipation member is disposed on the first surface, and one part of the second surface corresponds to one side of at least one heat generating source and is disposed adjacent to the one side of the heat generating source. The first surface has a first zone surrounded by a second zone. The heat dissipation member is disposed on the first zone corresponding to the heat generating source. The second zone has at least one groove arranged around one part of the first zone. A distance between one side of the groove adjacent to the first zone and the first zone is less than 1.0 mm, and a volume ratio of the groove to the heat dissipation member is 0.9 to 1.6.Type: ApplicationFiled: February 27, 2023Publication date: September 7, 2023Inventors: WEI-CHENG LIAO, BO-XUAN CHEN, GUAN-YOU CHEN
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Patent number: 11340669Abstract: A dustproof device for laptops comprises a heat dissipating device disposed in a laptop to form a dustproof device for the same, wherein the heat dissipating device is disposed on a main computing unit in an interior of the laptop; the heat dissipating device includes a fan set and a heat dissipating fin. The fan set includes a housing, a rotating section and a guiding device, wherein on a lateral side of the housing is disposed an opening, the rotating section is disposed inside the housing, the guiding device is disposed inside the housing between the rotating section and a lateral side of the opening, and a dust removing path is formed between the guiding device and an inner wall surface of the housing adjacent to the guiding device.Type: GrantFiled: July 7, 2020Date of Patent: May 24, 2022Assignee: CLEVO CO.Inventors: Wei-Cheng Liao, Po-Hsuan Chen
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Publication number: 20210096617Abstract: A dustproof device for laptops comprises a heat dissipating device disposed in a laptop to form a dustproof device for the same, wherein the heat dissipating device is disposed on a main computing unit in an interior of the laptop; the heat dissipating device includes a fan set and a heat dissipating fin. The fan set includes a housing, a rotating section and a guiding device, wherein on a lateral side of the housing is disposed an opening, the rotating section is disposed inside the housing, the guiding device is disposed inside the housing between the rotating section and a lateral side of the opening, and a dust removing path is formed between the guiding device and an inner wall surface of the housing adjacent to the guiding device.Type: ApplicationFiled: July 7, 2020Publication date: April 1, 2021Inventors: Wei-Cheng LIAO, Po-Hsuan CHEN
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Patent number: 10321409Abstract: An embodiment of a method for network resource management comprises performing joint traffic engineering and physical layer power control on a controller and using a routing and power control optimization process that comprises a combined alternating direction method of multipliers (ADMM) process and a power management process. First and second commands are generated at the controller according to optimization parameters determined by the routing and power control optimization process. The first and second commands are transmitted from the controller to nodes connected to the controller. The first commands are for modifying transmission parameters for links between nodes and the second commands are for modifying transmission parameters for connections between nodes and user devices.Type: GrantFiled: October 27, 2014Date of Patent: June 11, 2019Assignee: Huawei Technologies Co., Ltd.Inventors: Wei-Cheng Liao, Mingyi Hong, Zhi-Quan Luo, Hamidreza Farmanbar, Xu Li, Hang Zhang
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Patent number: 10067544Abstract: A heat dissipating module includes a bottom cover, a top cover, a fan body, and a heat dissipating structure. The top cover is disposed opposite the bottom cover, in which an air outlet is formed by the top cover and the bottom cover. The fan body is disposed between the top cover and the bottom cover, and the fan body provides an airflow toward the air outlet. The heat dissipating structure is disposed in front of the air outlet, in which the heat dissipating structure and the bottom cover are formed with a one-piece metal sheet. The heat dissipating structure is bent from the bottom cover toward the air outlet. The heat dissipating structure includes openings, such that the airflow passes through the openings from the air outlet and performs heat exchange with the heat dissipating structure.Type: GrantFiled: March 16, 2015Date of Patent: September 4, 2018Assignee: Quanta Computer Inc.Inventors: Ping-Sheng Kao, Jer-Kuang Lu, Wei-Cheng Liao, Jih-Sheng Yeh
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Patent number: 9949041Abstract: A hearing assistance system includes an adaptive binaural beamformer based on a multichannel Wiener filter (MWF) optimized for noise reduction and speech quality criteria using a priori spatial information. In various embodiments, the optimization problem is formulated as a quadratically constrained quadratic program (QCQP) aiming at striking an appropriate balance between these criteria. In various embodiments, the MWF executes a low-complexity iterative dual decomposition algorithm to solve the QCQP formulation.Type: GrantFiled: August 6, 2015Date of Patent: April 17, 2018Assignee: Starkey Laboratories, Inc.Inventors: Wei-Cheng Liao, Zhi-Quan Luo, Ivo Merks, Mingyi Hong, Tao Zhang
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Publication number: 20170289043Abstract: A method is disclosed for performing traffic engineering for a flow traversing a communications network having a plurality of nodes communicatively coupled by a plurality of links, with at least one of the plurality of links being a wireless link. The method includes setting an activation factor for the at least one wireless link in accordance with buffer statuses associated with nodes traversed by the flow; and transmitting the activation factor to a scheduling entity for scheduling activation of the at least one wireless link in accordance with the activation factor.Type: ApplicationFiled: April 26, 2016Publication date: October 5, 2017Inventors: Nan Zhang, Wei-Cheng Liao, Mingyi Hong, Hamidreza Farmanbar, Zhi-Quan Luo
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Publication number: 20160143188Abstract: A heat dissipating module includes a bottom cover, a top cover, a fan body, and a heat dissipating structure. The top cover is disposed opposite the bottom cover, in which an air outlet is formed by the top cover and the bottom cover. The fan body is disposed between the top cover and the bottom cover, and the fan body provides an airflow toward the air outlet. The heat dissipating structure is disposed in front of the air outlet, in which the heat dissipating structure and the bottom cover are formed with a one-piece metal sheet. The heat dissipating structure is bent from the bottom cover toward the air outlet. The heat dissipating structure includes openings, such that the airflow passes through the openings from the air outlet and performs heat exchange with the heat dissipating structure.Type: ApplicationFiled: March 16, 2015Publication date: May 19, 2016Applicant: Quanta Computer Inc.Inventors: Ping-Sheng KAO, Jer-Kuang LU, Wei-Cheng LIAO, Jih-Sheng YEH
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Publication number: 20160050500Abstract: A hearing assistance system includes an adaptive binaural beamformer based on a multichannel Wiener filter (MWF) optimized for noise reduction and speech quality criteria using a priori spatial information. In various embodiments, the optimization problem is formulated as a quadratically constrained quadratic program (QCQP) aiming at striking an appropriate balance between these criteria. In various embodiments, the MWF executes a low-complexity iterative dual decomposition algorithm to solve the QCQP formulation.Type: ApplicationFiled: August 6, 2015Publication date: February 18, 2016Inventors: Wei-Cheng Liao, Zhi-Quan Luo, Ivo Merks, Mingyi Hong, Tao Zhang
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Publication number: 20150119050Abstract: An embodiment of a method for network resource management comprises performing joint traffic engineering and physical layer power control on a controller and using a routing and power control optimization process that comprises a combined alternating direction method of multipliers (ADMM) process and a power management process. First and second commands are generated at the controller according to optimization parameters determined by the routing and power control optimization process. The first and second commands are transmitted from the controller to nodes connected to the controller. The first commands are for modifying transmission parameters for links between nodes and the second commands are for modifying transmission parameters for connections between nodes and user devices.Type: ApplicationFiled: October 27, 2014Publication date: April 30, 2015Inventors: Wei-Cheng Liao, Mingyi Hong, Zhi-Quan Luo, Hamidreza Farmanbar, Xu Li, Hang Zhang
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Publication number: 20130081779Abstract: An electronic device and a temperature modulation method are disclosed herein. The electronic device includes a system body, a heat pipe module, a fan module, an orientation sensor, a temperature sensor and a control module. The system body includes an electronic component. The heat pipe module is connected to the electronic component. The fan module is installed in the system body. The orientation sensor can detect an orientation of the system body and output an orientation-sensing signal based on the orientation. The temperature sensor can detect a temperature of the heat pipe module and output a temperature-sensing signal based on the temperature. The control module can control rotation of the fan module according to at least one of the orientation-sensing signal and the temperature-sensing signal.Type: ApplicationFiled: April 24, 2012Publication date: April 4, 2013Applicant: QUANTA COMPUTER INC.Inventors: Wei-Cheng Liao, Hsiao-Fan Chang, Hung-Ming Lin, Cheng-Wen Hsieh
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Publication number: 20120123222Abstract: The present invention relates to a biomedical device capable of using an earphone and microphone plug to transmit data and a method for transmitting data, wherein the biomedical device comprises: a measuring unit, a micro-control unit, an earphone and microphone plug, a switch unit, a level shift unit, an amplifying unit, and a power management unit. By way of inserting the earphone and microphone plug into an earphone and microphone jack of a portable electronic device, the biomedical device is able to transmit data to the portable electronic device without passing the certification of the transmission format defined by a potable electronic device vender in advance. Moreover, through the method, a user can input biomedical data into the portable electronic device, so as to record and trace the daily biomedical data thereof; in addition, the biomedical data can be uploaded to a Cloud Database via the portable electronic device for a telemedicine management.Type: ApplicationFiled: November 15, 2010Publication date: May 17, 2012Applicant: PENSIERO MEDICAL ELECTRONICS CORP.Inventors: Chun-Yu Chen, Chia-Wen Yang, Wei-Cheng Liao, Hsuan-Che Chen, Yen-Hsiung Chen, Paul Makena Kapu
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Patent number: 7900030Abstract: A method for determining a rebooting action of a computer system includes: a keyboard controller of the computer system detecting whether a signal representing a system stage transformation is transmitted from a south bridge chipset; determining whether a system status flag is set as “ON” when the signal representing the system stage transformation is received by the keyboard controller; setting a rebooting flag as “ON” and setting the system status flag as “OFF”; determining whether a system sleeping flag representing the computer system isn't activated is “ON” and determining whether the rebooting flag is set as “OFF” according to this determined result; detecting whether the signal representing the system stage transformation is transmitted from the south bridge chipset; determining whether the rebooting flag is set as “ON”; and determining whether the computer system executes the rebooting action according to a determined result of whether the rebooting flag is “ON”.Type: GrantFiled: February 29, 2008Date of Patent: March 1, 2011Assignee: Wistron CorporationInventor: Wei-Cheng Liao
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Publication number: 20080270783Abstract: A method for determining a rebooting action of a computer system includes: a keyboard controller of the computer system detecting whether a signal representing a system stage transformation is transmitted from a south bridge chipset; determining whether a system status flag is set as “ON” when the signal representing the system stage transformation is received by the keyboard controller; setting a rebooting flag as “ON” and setting the system status flag as “OFF”; determining whether a system sleeping flag representing the computer system isn't activated is “ON” and determining whether the rebooting flag is set as “OFF” according to this determined result; detecting whether the signal representing the system stage transformation is transmitted from the south bridge chipset; determining whether the rebooting flag is set as “ON”; and determining whether the computer system executes the rebooting action according to a determined result of whether the rebooting flag is “ON”.Type: ApplicationFiled: February 29, 2008Publication date: October 30, 2008Inventor: Wei-Cheng Liao