Patents by Inventor Wen-Chuan Chen

Wen-Chuan 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).

  • Publication number: 20240136420
    Abstract: A thin film transistor includes a substrate, a semiconductor layer, a gate insulating layer, a gate, a source and a drain. The semiconductor layer is located above the substrate. The gate insulating layer is located above the semiconductor layer. The gate is located above the gate insulating layer and overlapping with the semiconductor layer. The gate includes a first portion, a second portion and a third portion. The first portion is extending along the surface of the gate insulating layer and directly in contact with the gate insulating layer. The second portion is separated from the gate insulating layer. Taking the surface of the gate insulating layer as a reference, the top surface of the second portion is higher than the top surface of the first portion. The third portion connects the first portion to the second portion. The source and the drain are electrically connected to the semiconductor layer.
    Type: Application
    Filed: December 1, 2022
    Publication date: April 25, 2024
    Applicant: AUO Corporation
    Inventors: Kuo-Jui Chang, Wen-Tai Chen, Chi-Sheng Chiang, Yu-Chuan Liao, Chien-Sen Weng, Ming-Wei Sun
  • Patent number: 11950771
    Abstract: The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: April 9, 2024
    Assignee: UNITED ORTHOPEDIC CORPORATION
    Inventors: Yan-Shen Lin, Jiann-Jong Liau, Yu-Liang Liu, Teh-Yang Lin, Wen-Chuan Chen
  • Publication number: 20240097216
    Abstract: The present invention discloses a detection device and a probe module thereof, wherein an electrical connection path between a battery detection frame and a battery under test is provided via the probe module. The probe module includes a base, a first polarity plate, a second polarity plate, a first upper connection group, a second upper connection group, a first lower connection member and a second lower connection member. Via the first polarity plate, the first upper connection group is correspondingly coupled to the battery detection frame, and the first lower connection member is correspondingly coupled to the battery under test. Via the second polarity plate, the second upper connection group is correspondingly coupled to the battery detection frame, and the second lower connection member is correspondingly coupled to the battery under test. Thus, it is not necessary to process a cable having been fixed on the battery detection frame when the probe module is replaced.
    Type: Application
    Filed: June 8, 2023
    Publication date: March 21, 2024
    Inventors: CHUAN-TSE LIN, CHEN-CHOU WEN, SHIH-CHIN TAN, WEN-CHUAN CHANG, YING-CHENG CHEN
  • Patent number: 11935947
    Abstract: An enhancement mode high electron mobility transistor (HEMT) includes a group III-V semiconductor body, a group III-V barrier layer and a gate structure. The group III-V barrier layer is disposed on the group III-V semiconductor body, and the gate structure is a stacked structure disposed on the group III-V barrier layer. The gate structure includes a gate dielectric and a group III-V gate layer disposed on the gate dielectric, and the thickness of the gate dielectric is between 15 nm to 25 nm.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: March 19, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Chih-Tung Yeh, Chun-Ming Chang, Bo-Rong Chen, Shin-Chuan Huang, Wen-Jung Liao, Chun-Liang Hou
  • Publication number: 20240076422
    Abstract: A supported metallocene catalyst includes a carrier and a metallocene component. The carrier includes an inorganic oxide particle and an alkyl aluminoxane material. The inorganic oxide particle includes at least one inorganic oxide compound selected from the group consisting of an oxide of Group 3A and an oxide of Group 4A. The alkyl aluminoxane material includes an alkyl aluminoxane compound and an alkyl aluminum compound that is present in amount ranging from greater than 0.01 wt % to less than 14 wt % base on 100 wt % of the alkyl aluminoxane material. The metallocene component is supported on the carrier, and includes one of a metallocene compound containing a metal from Group 3B, a metallocene compound containing a metal from Group 4B, and a combination thereof. A method for preparing the supported metallocene catalyst and a method for preparing polyolefin using the supported metallocene catalyst are also disclosed.
    Type: Application
    Filed: September 1, 2023
    Publication date: March 7, 2024
    Inventors: Jing-Cherng TSAI, Jen-Long WU, Wen-Hao KANG, Kuei-Pin LIN, Jing-Yu LEE, Jun-Ye HONG, Zih-Yu SHIH, Cheng-Hung CHIANG, Gang-Wei SHEN, Yu-Chuan SUNG, Chung-Hua WENG, Hsing-Ya CHEN
  • Publication number: 20240069618
    Abstract: The disclosure provides a power management method. The power management method is applicable to an electronic device. The electronic device is electrically coupled to an adapter, and includes a system and a battery. The adapter has a feed power. The battery has a discharge power. The power management method of the disclosure includes: reading a power value of the battery; determining a state of the system; and discharging power to the system, when the system is in a power-on state and the power value is greater than a charging stopping value, by using the battery, and controlling, according to the discharge power and the feed power, the adapter to selectively supply power to the system. The disclosure further provides an electronic device using the power management method.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 29, 2024
    Inventors: Wen Che CHUNG, Hui Chuan LO, Hao-Hsuan LIN, Chun TSAO, Jun-Fu CHEN, Ming-Hung YAO, Jia-Wei ZHANG, Kuan-Lun CHEN, Ting-Chao LIN, Cheng-Yen LIN, Chunyen LAI
  • Publication number: 20230404831
    Abstract: A femoral lift apparatus includes a lift device and a hook device. The hook device is coupled to the lift device. The femoral lift apparatus is labor-saving and can avoid the problem that the conventional femoral lift apparatus may block the surgical view, hinder the operation position for a hip joint replacement surgery. With the assistance of this current femoral lift apparatus, the hip joint replacement surgery can be performed more smoothly.
    Type: Application
    Filed: September 26, 2022
    Publication date: December 21, 2023
    Inventors: EDWIN P SU, Yan-Shen Lin, Jiann-Jong Liau, Yu-Liang Liu, Teh-Yang Lin, Wen-Chuan Chen
  • Publication number: 20220370060
    Abstract: The present invention provides a supporting hook structure, comprising a sleeve, a fixing rod, a first limit unit, a hook and a fixing device. The fixing rod is connected to the side surface of the sleeve. The hook body is connected to one end of the sleeve. The first limit unit is arranged on the side surface of the sleeve and adjacent to the hook body. The first limit unit makes the hook body rotates with the axis direction of the sleeve as a rotation axis. The fixing device is connected to the other end of the sleeve to fix the rotating position of the hook body. Through the above, the hook part enters the proximal thigh from a surgical entrance and the hook part rotates to make the hook part abut against the proximal femur to complete the positioning and fixation of the femur hook structure to the femur.
    Type: Application
    Filed: August 16, 2021
    Publication date: November 24, 2022
    Inventors: YAN-SHEN LIN, JIANN-JONG LIAU, YU-LIANG LIU, TEH-YANG LIN, WEN-CHUAN CHEN
  • Patent number: 10241496
    Abstract: A multi-axis motor synchronization control system is provided, which may include a plurality of driving axes and the driving axes are coupled to one another; each of the driving axes may include a position loop controller, a velocity loop controller, a motor and a synchronization calibration device. The position loop controller may generate a velocity signal according to a position command. The velocity loop controller may generate a velocity command according to the velocity signal. The motor may operate according to the velocity command. The synchronization calibration device may calculate the average value of the position signal of the motor and the position signals of the motors of the adjacent driving axes, and then feedback the average value to the position loop controller so as to perform the synchronization calibration.
    Type: Grant
    Filed: December 1, 2015
    Date of Patent: March 26, 2019
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Po-Huan Chou, Wen-Chuan Chen, Feng-Chi Li
  • Patent number: 9664119
    Abstract: A gas flow adjusting device is provided, which includes a tube body, a first horizontal shaft, a second horizontal shaft, two leaf structures, a torsional spring and two linkage assemblies. The first and second horizontal shafts are disposed in an accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body. The leaf structures are pivoted on the first horizontal shaft and have a swinging direction identical to the axial direction. The torsional spring is sleeved around the second horizontal shaft and provides a resilient force along the axial direction. The linkage assemblies are connected to the leaf structures respectively, and each of the linkage assemblies is connected to the second horizontal shaft and the torsional spring. Therefore, when the leaf structures swing to different angles, the twisting amounts of the torsional spring are minimally varied.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: May 30, 2017
    Inventor: Wen-Chuan Chen
  • Publication number: 20170038758
    Abstract: A multi-axis motor synchronization control system is provided, which may include a plurality of driving axes and the driving axes are coupled to one another; each of the driving axes may include a position loop controller, a velocity loop controller, a motor and a synchronization calibration device. The position loop controller may generate a velocity signal according to a position command. The velocity loop controller may generate a velocity command according to the velocity signal. The motor may operate according to the velocity command. The synchronization calibration device may calculate the average value of the position signal of the motor and the position signals of the motors of the adjacent driving axes, and then feedback the average value to the position loop controller so as to perform the synchronization calibration.
    Type: Application
    Filed: December 1, 2015
    Publication date: February 9, 2017
    Inventors: PO-HUAN CHOU, WEN-CHUAN CHEN, FENG-CHI LI
  • Publication number: 20160201577
    Abstract: A gas flow adjusting device is provided, which includes a tube body, a first horizontal shaft, a second horizontal shaft, two leaf structures, a torsional spring and two linkage assemblies. The first and second horizontal shafts are disposed in an accommodating space of the tube body and spaced apart from each other along an axial direction of the tube body. The leaf structures are pivoted on the first horizontal shaft and have a swinging direction identical to the axial direction. The torsional spring is sleeved around the second horizontal shaft and provides a resilient force along the axial direction. The linkage assemblies are connected to the leaf structures respectively, and each of the linkage assemblies is connected to the second horizontal shaft and the torsional spring. Therefore, when the leaf structures swing to different angles, the twisting amounts of the torsional spring are minimally varied.
    Type: Application
    Filed: August 7, 2015
    Publication date: July 14, 2016
    Inventor: Wen-Chuan CHEN
  • Patent number: 8861553
    Abstract: An asynchronous master-slave serial communication system, a data transmission method, and a control module using the same are disclosed. The asynchronous master-slave serial communication system comprises a master control module and a slave control module. The master control module generates a check code according to an address information and a data information, and generates a data package according to the address information, the data information, the check code and the master clock signal. The slave control module generates a decoding data according to the data package and a slave clock signal, and generates the address information, the data information and the check code according to the decoding data.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: October 14, 2014
    Assignee: Industrial Technology Research Institute
    Inventors: Wen-Chuan Chen, Ying-Min Chen, Chia-Ching Lin, Cheng-Xue Wu, Jing-Yi Huang
  • Publication number: 20140143468
    Abstract: A real-time sampling device for being coupled to a processing unit includes a first register, a second register, a third register, a trigger output element and a timer for outputting an interrupt signal. The first register externally receives and processes a first input signal to produce processed data. The second register retrieves the processed data from the first register upon receiving the interrupt signal, and the processing unit, upon receiving the interrupt signal, retrieves the processed data from the second register and performs calculation thereon to produce a processed data calculation value and temporarily store the processed data calculation value in the third register. The trigger output element outputs the processed data calculation value in the third register in real time upon receiving the interrupt signal. The real-time sampling device an be applied to digital control systems in order to perform real-time sampling on controlled subjects.
    Type: Application
    Filed: October 24, 2013
    Publication date: May 22, 2014
    Applicant: Industrial Technology Research Institute
    Inventors: Ying-Min CHEN, Wen-Chuan CHEN, Jing-Yi HUANG, Yi-Hsueh YANG, Feng-Chi LEE
  • Patent number: 8421961
    Abstract: An active device array substrate including a substrate, a plurality of scan lines, a plurality of data lines, a plurality of active devices, a first passivation layer, a transparent pad layer, a plurality of color filter patterns, a second passivation layer, a plurality of pixel electrodes, and a black matrix layer is provided. Each of the active devices is electrically connected to one of the scan lines and one of the data lines, respectively. The transparent pad layer having a plurality of openings for accommodating the color filter patterns is disposed on the first passivation layer located above the scan lines and the data lines. The first passivation layer, the color filter patterns and the second passivation layer have a plurality of contact windows therein. The black matrix layer is disposed above the transparent pad layer to cover a portion of the pixel electrodes.
    Type: Grant
    Filed: March 26, 2010
    Date of Patent: April 16, 2013
    Assignee: Au Optronics Corporation
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen
  • Publication number: 20120275454
    Abstract: An asynchronous master-slave serial communication system, a data transmission method, and a control module using the same are disclosed. The asynchronous master-slave serial communication system comprises a master control module and a slave control module. The master control module generates a check code according to an address information and a data information, and generates a data package according to the address information, the data information, the check code and the master clock signal. The slave control module generates a decoding data according to the data package and a slave clock signal, and generates the address information, the data information and the check code according to the decoding data.
    Type: Application
    Filed: August 12, 2011
    Publication date: November 1, 2012
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Wen-Chuan Chen, Ying-Min Chen, Chia-Ching Lin, Cheng-Xue Wu, Jing-Yi Huang
  • Patent number: 8293572
    Abstract: The injection molding system comprises a substrate, an inner cover, a molding tool, and a bottom plate. The substrate is used to locate at least one semiconductor device under molding and the inner cover with at least one first injection via, cavity and runner placed over the substrate. In addition, the molding tool includes at least one second injecting via aligned with the runner and the bottom plate is placed under the substrate. Furthermore, a filling material is filled into the cavity and runner of the inner cover during molding. In order to avoid overflowing the filling material, the system further comprises an O-ring placed between the molding tool and the inner cover. The inner radius of the O-ring corresponds with the inner radius of the injection via and is aligned with it.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: October 23, 2012
    Assignee: ADL Engineering Inc.
    Inventors: Wen-Chuan Chen, Nan-Chun Lin
  • Publication number: 20120187582
    Abstract: The injection molding system comprises a substrate, an inner cover, a molding tool, and a bottom plate. The substrate is used to locate at least one semiconductor device under molding and the inner cover with at least one first injection via, cavity and runner placed over the substrate. In addition, the molding tool includes at least one second injecting via aligned with the runner and the bottom plate is placed under the substrate. Furthermore, a filling material is filled into the cavity and runner of the inner cover during molding. In order to avoid overflowing the filling material, the system further comprises an O-ring placed between the molding tool and the inner cover. The inner radius of the O-ring corresponds with the inner radius of the injection via and is aligned with it.
    Type: Application
    Filed: January 20, 2011
    Publication date: July 26, 2012
    Inventors: Wen-Chuan Chen, Nan-Chun Lin
  • Patent number: 8090455
    Abstract: A motion control servo loop apparatus, comprising: a feed-forward control module, and a proportional-integral-derivative (PID) control loop and a compensation adder. The feed-forward control module is capable of generating a feed-forward compensation. The PID control loop further comprises: a proportional control module, an integral control module and a derivative control module. The proportional control module is capable of generating a proportional compensation. The derivative control module is capable of generating a derivative compensation. The integral control module uses a digital differential analyzer (DDA) algorithm to perform integration for accumulated errors with respect to each sampling clock at each DDA pulse and thus output an accumulated error, which is then processed to generate an integral compensation.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: January 3, 2012
    Assignee: Industrial Technology Research Institute
    Inventors: Ying-Min Chen, Wen-Chuan Chen, Jing-Yi Huang, Cheng-Xue Wu, Chia-Ching Lin, Wan-Kai Shen
  • Publication number: 20110084289
    Abstract: An active device array substrate including a substrate, a plurality of scan lines, a plurality of data lines, a plurality of active devices, a first passivation layer, a transparent pad layer, a plurality of color filter patterns, a second passivation layer, a plurality of pixel electrodes, and a black matrix layer is provided. Each of the active devices is electrically connected to one of the scan lines and one of the data lines, respectively. The transparent pad layer having a plurality of openings for accommodating the color filter patterns is disposed on the first passivation layer located above the scan lines and the data lines. The first passivation layer, the color filter patterns and the second passivation layer have a plurality of contact windows therein. The black matrix layer is disposed above the transparent pad layer to cover a portion of the pixel electrodes.
    Type: Application
    Filed: March 26, 2010
    Publication date: April 14, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Wen-Hsien Tseng, Yen-Heng Huang, Chia-Hui Pai, Chung-Kai Chen, Wei-Yuan Cheng, Wen-Chuan Chen