Patents by Inventor Yi-Fang Chou
Yi-Fang Chou 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: 11761449Abstract: A fan module comprises a frame, a wire-stopping structure, an impeller and a circuit board. The frame includes a frame wall, a base, a plurality of static blades and a connector. A wire groove formed on an outside of the frame wall to accommodate a wire. The static blades are radially connected to the base and the frame wall. The connector is formed on the outside of the frame wall and extended from one end of the wire groove to the base along one of the static blades. The connector includes a plurality of pins. The wire-stopping board is fixed to the frame wall to cover the wire groove. The impeller is disposed in the frame. The circuit board is disposed in the frame and located on the base. The circuit board includes a plurality of pin holes, and the pin holes are electrically connected to the pins.Type: GrantFiled: September 30, 2020Date of Patent: September 19, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Ming-Kai Hsieh, Ching-Hsiang Huang, Yi-Fang Chou, Po-Chun Wang
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Publication number: 20210018009Abstract: A fan module comprises a frame, a wire-stopping structure, an impeller and a circuit board. The frame includes a frame wall, a base, a plurality of static blades and a connector. A wire groove formed on an outside of the frame wall to accommodate a wire. The static blades are radially connected to the base and the frame wall. The connector is formed on the outside of the frame wall and extended from one end of the wire groove to the base along one of the static blades. The connector includes a plurality of pins. The wire-stopping board is fixed to the frame wall to cover the wire groove. The impeller is disposed in the frame. The circuit board is disposed in the frame and located on the base. The circuit board includes a plurality of pin holes, and the pin holes are electrically connected to the pins.Type: ApplicationFiled: September 30, 2020Publication date: January 21, 2021Inventors: MING-KAI HSIEH, CHING-HSIANG HUANG, YI-FANG CHOU, PO-CHUN WANG
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Patent number: 10417981Abstract: The present disclosure discloses a GOA gate driving circuit includes a plurality of GOA driving units arranged in cascade, each level GOA driving unit includes a pull-up control part, a pull-up part, a first pull-down part and a pull-down holding part; wherein, each stage GOA driving unit further includes a second pull-down part coupled between the gate control signal and the reference low level signal, the second pull-down part being controlled by a pull-down signal for lowering the gate control signal to the reference low level signal; the phase of the pull-down signal lags behind the latter two-stage scan driving signal, and the pull-down signal is provided by a separate control chip. The present disclosure further discloses a liquid crystal display including a GOA gate driving circuit as described above.Type: GrantFiled: January 17, 2017Date of Patent: September 17, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventors: Tianhong Wang, Xujun Liu, Yi-fang Chou
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Publication number: 20180301103Abstract: A gate driver on array (GOA) circuit and a display device are provided. The GOA circuit includes a plurality of cascaded GOA units and at least one repair GOA unit. A first repair line, a second repair line, and the third repair line utilized by the repair GOA unit are respectively connected with a signal output line of a corresponding GOA unit at a previous level of an abnormal GOA unit of the cascaded GOA units, a signal output line of the corresponding GOA unit at a next level of the abnormal GOA unit, and a signal output line of the abnormal GOA unit. Besides the original cascaded GOA units, by adding the repair GOA units to replace the abnormal GOA unit, which can make the whole GOA circuit to be operated normally, improving the yield of the product.Type: ApplicationFiled: April 10, 2017Publication date: October 18, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Wenying LI, Yi-Fang CHOU, Po-Jen CHIANG
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Publication number: 20180226035Abstract: The present disclosure discloses a GOA gate driving circuit includes a plurality of GOA driving units arranged in cascade, each level GOA driving unit includes a pull-up control part, a pull-up part, a first pull-down part and a pull-down holding part; wherein, each stage GOA driving unit further includes a second pull-down part coupled between the gate control signal and the reference low level signal, the second pull-down part being controlled by a pull-down signal for lowering the gate control signal to the reference low level signal; the phase of the pull-down signal lags behind the latter two-stage scan driving signal, and the pull-down signal is provided by a separate control chip. The present disclosure further discloses a liquid crystal display including a GOA gate driving circuit as described above.Type: ApplicationFiled: January 17, 2017Publication date: August 9, 2018Applicant: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventors: Tianhong WANG, Xujun LIU, Yi-fang CHOU
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Patent number: 9745985Abstract: A bushing structure cooperating with a shaft is disclosed. The bushing structure includes a cylindrical body and an extension portion. The cylindrical body has a shaft hole and the shaft is disposed in the shaft hole. The extension portion is disposed at one end of the cylindrical body and surrounds the cylindrical body. The cylindrical body and the extension portion are made of an iron-contained material.Type: GrantFiled: June 25, 2014Date of Patent: August 29, 2017Assignee: DELTA ELECTRONICS, INC.Inventors: Yi-Fang Chou, Chi-Chang Teng, Min-Cheng Tseng, Ming-Kai Hsieh
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Publication number: 20150377245Abstract: A bushing structure cooperating with a shaft is disclosed. The bushing structure includes a cylindrical body and an extension portion. The cylindrical body has a shaft hole and the shaft is disposed in the shaft hole. The extension portion is disposed at one end of the cylindrical body and surrounds the cylindrical body. The cylindrical body and the extension portion are made of an iron-contained material.Type: ApplicationFiled: June 25, 2014Publication date: December 31, 2015Inventors: Yi-Fang CHOU, Chi-Chang TENG, Min-Cheng TSENG, Ming-Kai HSIEH
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Patent number: 8113781Abstract: A fan includes an impeller and a motor for driving the impeller to rotate. The motor includes a bushing and a rotating shaft penetrating through the bushing. The bushing includes a tube and at least one base connected with one end of the tube. An inner diameter of the tube is smaller than an inner diameter of the base so that the mechanism design variability is enhanced and the efficiency of the fan and the motor is enhanced by effectively utilizing an inner space of the bushing.Type: GrantFiled: February 7, 2008Date of Patent: February 14, 2012Assignee: Delta Electronics, Inc.Inventors: Hui-Chun Chang, Yi-Fang Chou, Li-Chen Lin
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Publication number: 20110236237Abstract: A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed.Type: ApplicationFiled: June 2, 2011Publication date: September 29, 2011Inventors: Yi-Fang CHOU, Hui-Chun Chang, Chang-Yi Lu, Li-Chen Lin
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Patent number: 7985056Abstract: A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed.Type: GrantFiled: February 7, 2008Date of Patent: July 26, 2011Assignee: Delta Electronics, Inc.Inventors: Yi-Fang Chou, Hui-Chun Chang, Chang-Yi Lu, Li-Chen Lin
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Patent number: 7538465Abstract: A fan housing. The fan housing mounted on a frame of a system includes a main body, a first section, a second section and a fixing portion. Both the first and second sections are disposed on the main body. A gap is formed between the first and second sections. The fixing portion is formed in the gap.Type: GrantFiled: February 18, 2004Date of Patent: May 26, 2009Assignee: Delta Electronics, Inc.Inventors: Yi-Fang Chou, Tsu-Liang Lin, Kuo-Cheng Lin, Wen-Shi Huang
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Publication number: 20090052820Abstract: A fan includes an impeller and a motor for driving the impeller to rotate. The motor includes a bushing and a rotating shaft penetrating through the bushing. The bushing includes a tube and at least one base connected with one end of the tube. An inner diameter of the tube is smaller than an inner diameter of the base so that the mechanism design variability is enhanced and the efficiency of the fan and the motor is enhanced by effectively utilizing an inner space of the bushing.Type: ApplicationFiled: February 7, 2008Publication date: February 26, 2009Inventors: Hui-Chun CHANG, Yi-Fang CHOU, Li-Chen LIN
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Publication number: 20080279694Abstract: A fan includes an impeller, a motor, a circuit board, a fan frame and a connecting member. The motor is used to drive the impeller to rotate. The circuit board is electrically connected to the motor. The impeller and the motor are accommodated in the fan frame. The connecting member is disposed at one side of the fan frame. The circuit board is disposed between the connecting member and the fan frame. Also, a fan assembly including such two fans is also disclosed.Type: ApplicationFiled: February 7, 2008Publication date: November 13, 2008Inventors: Yi-Fang CHOU, Hui-Chun Chang, Chang-Yi Lu, Li-Chen Lin
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Patent number: 7291949Abstract: A modified mounting structure for a heat-dissipating device. The heat-dissipating device has a motor and a seat with a slot mounted on a base or the cover portion of a stator thereof. The seat secures a motor controller of the heat-dissipating device detecting phase changes of the magnetic poles of the motor. The structure of a heat-dissipating device reduces required components, manufacturing cost and assembly time, and the control circuit is greatly simplified.Type: GrantFiled: February 6, 2004Date of Patent: November 6, 2007Assignee: Delta Electronics, Inc.Inventors: Cheng-Chieh Liu, Yi-Fang Chou, Tsu-Liang Lin, Ming-Shi Tsai, Kuo-Cheng Lin
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Patent number: 7112906Abstract: A motor rotor. The motor rotor adapted to be used in a fan includes a hub, a metal plate and a magnet. The metal plate has a first end and a second end. The metal plate is disposed in the hub. The magnet is disposed in the metal plate. A method for manufacturing a motor rotor mentioned includes providing a metal plate having a first end and a second end; connecting the first and second ends to shape the metal plate as a ring; placing the metal plate in a hub; and placing a magnet in the metal plate.Type: GrantFiled: February 18, 2004Date of Patent: September 26, 2006Assignee: Delta Electronics, Inc.Inventors: Yi-Fang Chou, Tsu-Liang Lin, Kuo-Cheng Lin, Wen-Shi Huang
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Publication number: 20060045777Abstract: Electronic devices and fans thereof are provided. An electronic device comprises a fan cavity and separately disposed heat sources. A fan is disposed in the fan cavity with a frame shaped according to the profile of the fan cavity. The frame also includes an extended portion formed according to the relative position of the fan cavity and separated heat sources, optimizing the heat dissipation.Type: ApplicationFiled: August 31, 2005Publication date: March 2, 2006Inventors: Yu-Chien Kao, Yi-Fang Chou, Tsu-Liang Lin, Wen-Shi Huang
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Publication number: 20050029882Abstract: A modified mounting structure for a heat-dissipating device. The heat-dissipating device has a motor and a seat with a slot mounted on a base or the cover portion of a stator thereof. The seat secures a motor controller of the heat-dissipating device detecting phase changes of the magnetic poles of the motor. The structure of a heat-dissipating device reduces required components, manufacturing cost and assembly time, and the control circuit is greatly simplified.Type: ApplicationFiled: February 6, 2004Publication date: February 10, 2005Inventors: Cheng-Chieh Liu, Yi-Fang Chou, Tsu-Liang Lin, Ming-Shi Tsai, Kuo-Cheng Lin
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Publication number: 20050023914Abstract: A fan housing. The fan housing mounted on a frame of a system includes a main body, a first section, a second section and a fixing portion. Both the first and second sections are disposed on the main body. A gap is formed between the first and second sections. The fixing portion is formed in the gap.Type: ApplicationFiled: February 18, 2004Publication date: February 3, 2005Inventors: Yi-Fang Chou, Tsu-Liang Lin, Kuo-Cheng Lin, Wen-Shi Huang
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Publication number: 20050012418Abstract: A motor rotor. The motor rotor adapted to be used in a fan includes a hub, a metal plate and a magnet. The metal plate has a first end and a second end. The metal plate is disposed in the hub. The magnet is disposed in the metal plate.Type: ApplicationFiled: February 18, 2004Publication date: January 20, 2005Inventors: Yi-Fang Chou, Tsu-Liang Lin, Kuo-Cheng Lin, Wen-Shi Huang