Patents by Inventor Ying-Chieh Yen
Ying-Chieh Yen 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: 20240194389Abstract: A planar transformer includes a magnetic core assembly, at least one printed circuit board, a magnetic conductive sheet and at least one winding module. The magnetic core assembly includes a first magnetic core and a second magnetic core. The printed circuit board is disposed between the first magnetic core and the second magnetic core. The printed circuit board includes a first winding. The magnetic conductive sheet is disposed between the first magnetic core and the second magnetic core to form a leakage inductance required by the planar transformer. The at least one winding module is disposed between the first magnetic core and the second magnetic core. The winding module includes a second winding and a plastic molding layer. At least a portion of the second winding is covered by the plastic molding layer. The at least one printed circuit board and the at least one winding module are individual components.Type: ApplicationFiled: January 24, 2024Publication date: June 13, 2024Inventors: Chun-Ching Yen, Yue Tsao, Shaodong Zhang, Chih-Ho Lai, Ying-Chieh Chin
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Publication number: 20240184152Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; and a plurality of protrusions disposed between the first substrate and the second substrate, wherein a transmittance of the plurality of protrusions is between about 0.006% and about 1.6%.Type: ApplicationFiled: January 24, 2024Publication date: June 6, 2024Inventors: I-Kai PAN, Su-Chen YEN, Ying-Chieh TSAI
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Patent number: 11927840Abstract: An electronic device includes a display panel and a viewing angle control unit disposed opposite to the display panel. The viewing angle control unit includes a first substrate; a second substrate disposed opposite to the first substrate; a plurality of protrusions disposed between the first substrate and the second substrate; and a plurality of shielding units disposed between the first substrate and the second substrate and disposed corresponding to the plurality of protrusions. One of the shielding units forms a first projection on the first substrate, one of the protrusions forms a second projection on the first substrate, and the second projection falls within the first projection.Type: GrantFiled: June 3, 2021Date of Patent: March 12, 2024Assignee: INNOLUX CORPORATIONInventors: I-Kai Pan, Su-Chen Yen, Ying-Chieh Tsai
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Patent number: 11783795Abstract: A gate driver for a panel, wherein the gate driver comprises at least an output channel unit, each of the output channel unit includes a first driving unit; a second driving unit; a first current limit circuit, coupled to the first driving unit, configured to control an output current according to an output voltage of the gate driver to limit an output current slew rate of the gate driver; and a second current limit circuit, coupled to the second driving unit, configured to control the output current according to the output voltage of the gate driver to limit the output current slew rate of the gate driver.Type: GrantFiled: August 23, 2022Date of Patent: October 10, 2023Assignee: NOVATEK Microelectronics Corp.Inventors: Ying-Chieh Yen, Po-Chiang Hsu, Ching-Hao Lee, Cheng-Hsun Tsai
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Publication number: 20230020365Abstract: A primer topcoat paint composition that can be applied to a surface without the need to apply separate primer and topcoat layer is provided. The primer topcoat paint composition includes a first acrylic copolymer that is not a styrene acrylic copolymer, a second acrylic copolymer that is a styrene acrylic copolymer, and water. Characteristically, the first acrylic copolymer is present in the primer topcoat paint composition in an amount by weight that is at least 5 times greater than that of the second acrylic copolymer percent based on total first acrylic copolymer and second acrylic copolymer solids.Type: ApplicationFiled: September 23, 2022Publication date: January 19, 2023Inventors: Venkateswararao ALAHARI, Ying-Chieh YEN, John GILBERT, Cecilia DINH, Tom HOK, Feleshia KAPPADAKUNNEL, Sachin Gopalarao LALGE
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Patent number: 11492497Abstract: A primer topcoat paint composition that can be applied to a surface without the need to apply separate primer and topcoat layer is provided. The primer topcoat paint composition includes a first acrylic copolymer that is not a styrene acrylic copolymer, a second acrylic copolymer that is a styrene acrylic copolymer, and water. Characteristically, the first acrylic copolymer is present in the primer topcoat paint composition in an amount by weight that is at least 5 times greater than that of the second acrylic copolymer percent based on total first acrylic copolymer and second acrylic copolymer solids.Type: GrantFiled: November 26, 2019Date of Patent: November 8, 2022Assignee: Behr Process CorporationInventors: Venkateswararao Alahari, Ying-Chieh Yen, John Gilbert, Cecilia Dinh, Tom Hok, Feleshia Kappadakunnel, Sachin Gopalarao Lalge
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Publication number: 20210155805Abstract: A primer topcoat paint composition that can be applied to a surface without the need to apply separate primer and topcoat layer is provided. The primer topcoat paint composition includes a first acrylic copolymer that is not a styrene acrylic copolymer, a second acrylic copolymer that is a styrene acrylic copolymer, and water. Characteristically, the first acrylic copolymer is present in the primer topcoat paint composition in an amount by weight that is at least 5 times greater than that of the second acrylic copolymer percent based on total first acrylic copolymer and second acrylic copolymer solids.Type: ApplicationFiled: November 26, 2019Publication date: May 27, 2021Inventors: Venkateswararao ALAHARI, Ying-Chieh Yen, John Gilbert, Cecilia Dinh, Tom Hok, Feleshia Kappadakunnel, Sachin Gopalarao Lalge
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Patent number: 10745574Abstract: A paint composition with improved hiding power includes water, a film-forming polymer, pigments, and a plurality of hollow glass spheres dispersed in the paint composition. Advantageously, the hollow glass spheres encapsulate air voids in coatings formed from the paint composition.Type: GrantFiled: October 11, 2016Date of Patent: August 18, 2020Assignee: BEHR PROCESS CORPORATIONInventors: Ming-Ren Tarng, Ying-Chieh Yen, Jinzhen Shi, Roanic Greydon Cantrell, Chenming Xue
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Patent number: 10538640Abstract: Polymer foam and a method for preparing the same are disclosed. In the present disclosure, the method sequentially comprises the following steps: providing a polymer body; performing a pressure-induced flow (PIF) process on the polymer body at a first predetermined temperature and a first predetermined pressure for a pressure holding time, to obtain a polymer sheet; and performing a foaming process on the polymer sheet by using a foaming agent at a second predetermined temperature and a second predetermined pressure for a saturation time, to obtain polymer foam.Type: GrantFiled: July 27, 2016Date of Patent: January 21, 2020Assignees: LCY CHEMICAL CORP., OHIO STATE INNOVATION FOUNDATIONInventors: Ly James Lee, Dachao Li, Ying-Chieh Yen, Dajiong Fu, Yuen-Yuen D Chiu, Chiang-Hsiang Lin
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Patent number: 10473531Abstract: A temperature sensor includes a plurality of temperature coefficient voltage generators, one or more converters and at least one variable voltage or current source. The temperature coefficient voltage generators are used for generating multiple temperature coefficient voltages. The converters, coupled to the temperature coefficient voltage generators, are used for converting the temperature coefficient voltages to digital values. The at least one variable voltage or current source, each coupled to at least one of the temperature coefficient voltage generators, includes a first variable voltage or current source for outputting a first voltage or current in a first time period, and outputting a second voltage or current in a second time period, wherein the second voltage or current is different from the first voltage or current such that there exists a shift between a first voltage-temperature curve in the first time period and a second voltage-temperature curve in the second time period.Type: GrantFiled: September 5, 2017Date of Patent: November 12, 2019Assignee: NOVATEK Microelectronics Corp.Inventors: Ying-Chieh Yen, Min-Hung Hu, Yuan-Te Chen, Cun-Kai Zhao, Chien-Chuan Huang
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Publication number: 20190072435Abstract: A temperature sensor includes a plurality of temperature coefficient voltage generators, one or more converters and at least one variable voltage or current source. The temperature coefficient voltage generators are used for generating multiple temperature coefficient voltages. The converters, coupled to the temperature coefficient voltage generators, are used for converting the temperature coefficient voltages to digital values. The at least one variable voltage or current source, each coupled to at least one of the temperature coefficient voltage generators, includes a first variable voltage or current source for outputting a first voltage or current in a first time period, and outputting a second voltage or current in a second time period, wherein the second voltage or current is different from the first voltage or current such that there exists a shift between a first voltage-temperature curve in the first time period and a second voltage-temperature curve in the second time period.Type: ApplicationFiled: September 5, 2017Publication date: March 7, 2019Inventors: Ying-Chieh Yen, Min-Hung Hu, Yuan-Te Chen, Cun-Kai Zhao, Chien-Chuan Huang
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Patent number: 10175267Abstract: A current measurement circuit for measuring a current consumption of a circuit system includes a plurality of current measurement units and a current-to-voltage (I-V) converter. Each of the current measurement units includes an impedance unit and a voltage-to-current (V-I) converter. The impedance unit includes a first terminal and a second terminal. The V-I converter, coupled to the first terminal and the second terminal of the impedance unit, includes an output terminal and an operational transconductance amplifier (OTA). The plurality of output terminals of the plurality of V-I converters of the plurality of current measurement units are coupled to a first node. The I-V converter is coupled to the first node.Type: GrantFiled: December 29, 2016Date of Patent: January 8, 2019Assignee: NOVATEK Microelectronics Corp.Inventors: Min-Hung Hu, Hsi-Ming Chen, Chao-Wei Su, Ying-Chieh Yen
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Publication number: 20180188292Abstract: A current measurement circuit for measuring a current consumption of a circuit system includes a plurality of current measurement units and a current-to-voltage (I-V) converter. Each of the current measurement units includes an impedance unit and a voltage-to-current (V-I) converter. The impedance unit includes a first terminal and a second terminal. The V-I converter, coupled to the first terminal and the second terminal of the impedance unit, includes an output terminal and an operational transconductance amplifier (OTA). The plurality of output terminals of the plurality of V-I converters of the plurality of current measurement units are coupled to a first node. The I-V converter is coupled to the first node.Type: ApplicationFiled: December 29, 2016Publication date: July 5, 2018Inventors: Min-Hung Hu, Hsi-Ming Chen, Chao-Wei Su, Ying-Chieh Yen
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Publication number: 20180100072Abstract: A paint composition with improved hiding power includes water, a film-forming polymer, pigments, and a plurality of hollow glass spheres dispersed in the paint composition. Advantageously, the hollow glass spheres encapsulate air voids in coatings formed from the paint composition.Type: ApplicationFiled: October 11, 2016Publication date: April 12, 2018Inventors: MING-REN TARNG, YING-CHIEH YEN, JINZHEN SHI, ROANIC GREYDON CANTRELL, CHENMING XUE
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Publication number: 20170029589Abstract: Polymer foam and a method for preparing the same are disclosed. In the present disclosure, the method sequentially comprises the following steps: providing a polymer body; performing a pressure-induced flow (PIF) process on the polymer body at a first predetermined temperature and a first predetermined pressure for a pressure holding time, to obtain a polymer sheet; and performing a foaming process on the polymer sheet by using a foaming agent at a second predetermined temperature and a second predetermined pressure for a saturation time, to obtain polymer foam.Type: ApplicationFiled: July 27, 2016Publication date: February 2, 2017Inventors: Ly James LEE, Dachao LI, Ying-Chieh YEN, Dajiong FU, Yuen-Yuen D. CHIU, Chiang-Hsiang LIN
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Patent number: 9284196Abstract: A facile method to produce covalently bonded graphene-like network coated on various solid substrates is disclosed in the present invention. According to one embodiment, a combination of chemical vapor deposition (CVD) of carbon sources and a silicon compound with or without a metal containing compound under an inert gas flow is processed at high temperatures to produce covalent carbide bonding among graphene-like structures and between graphene-like structures and substrate surface.Type: GrantFiled: July 18, 2014Date of Patent: March 15, 2016Assignee: NANOMATERIAL INNOVATION LTD.Inventors: LYJames Lee, Jianfeng Yu, Ying-Chieh Yen
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Publication number: 20150023860Abstract: A facile method to produce covalently bonded graphene-like network coated on various solid substrates is disclosed in the present invention. According to one embodiment, a combination of chemical vapor deposition (CVD) of carbon sources and a silicon compound with or without a metal containing compound under an inert gas flow is processed at high temperatures to produce covalent carbide bonding among graphene-like structures and between graphene-like structures and substrate surface.Type: ApplicationFiled: July 18, 2014Publication date: January 22, 2015Inventors: LYJames Lee, Jianfeng Yu, Ying-Chieh Yen