Patents by Inventor Cheng-Chung Li
Cheng-Chung Li 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: 12232240Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 18, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Patent number: 12232239Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 18, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Patent number: 12225651Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: October 16, 2023Date of Patent: February 11, 2025Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Publication number: 20250012947Abstract: Embodiments of a color-neutral anti-reflective coating and articles including the same are described. In one or more embodiments, a substrate includes a first major surface and an anti-reflective coating disposed on the first major surface of the substrate and having a reflective surface opposite the first major surface. In one or more embodiments, a point on the reflective surface has a single-surface reflectance under a D65 illuminant with an angular color variation, ?E? that is less than 5, where ?E?=?{(a*?1?a*?2)2+(b*?1?b*?2)2}, and a*?1 and b*?1 are color values a* and b* values of the point measured from a first angle ?1, and a second angle ?2, where ?1 and ?2 are any two different viewing angles at least 5 degrees apart in a range from about 10° to about 60° relative to a normal vector of the reflective surface.Type: ApplicationFiled: August 27, 2024Publication date: January 9, 2025Inventors: Karl William Koch, III, Cheng-Chung Li, Jean-Francois Oudard
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Patent number: 12184166Abstract: A power conversion system with ripple injection includes an AC-DC conversion unit, a voltage regulation unit, at least one DC-DC conversion unit, at least one load, and a first control unit. The voltage regulation unit provides a DC link and receives one portion of an input power as an energy storage power. Each DC-DC conversion unit receives the other portion of the input power as an output power. The at least one load correspondingly receives the output power for being supplied power. The first control unit is coupled to the DC link, the at least one DC-DC conversion unit, and the at least one load. The first control unit controls the at least one DC-DC conversion unit to adjust a magnitude of a ripple of the output power to perform a ripple injection operation according to a magnitude of a ripple of the input power.Type: GrantFiled: January 24, 2022Date of Patent: December 31, 2024Assignee: DELTA ELECTRONICS, INC.Inventors: Yu-Jen Lin, Terng-Wei Tsai, Chia-Hsiong Huang, Cheng-Chung Li, Chien-Hsi Wang
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Patent number: 12140732Abstract: Embodiments of a color-neutral anti-reflective coating and articles including the same are described. In one or more embodiments, a substrate includes a first major surface and an anti-reflective coating disposed on the first major surface of the substrate and having a reflective surface opposite the first major surface. In one or more embodiments, a point on the reflective surface has a single-surface reflectance under a D65 illuminant with an angular color variation, ?E? that is less than 5, where ?E?=?{(a*?1?a*?2)2+(b*?1?b*?2)2}, and a*?1 and b*?1 are color values a* and b* values of the point measured from a first angle ?1, and a second angle ?2, where ?1 and ?2 are any two different viewing angles at least 5 degrees apart in a range from about 10° to about 60° relative to a normal vector of the reflective surface.Type: GrantFiled: March 1, 2019Date of Patent: November 12, 2024Assignee: CORNING INCORPORATEDInventors: Karl William Koch, III, Cheng-Chung Li, Jean-Francois Oudard
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Publication number: 20240134473Abstract: Embodiments of a vehicle interior system are disclosed. In one or more embodiments, the system includes a base with a curved surface, and a display or touch panel disposed on the curved surface. The display includes a cold-bent glass substrate with a thickness of 1.5 mm or less and a first radius of curvature of 20 mm or greater, and a display module and/or touch panel attached to the glass substrate having a second radius of curvature that is within 10% of the first radius of curvature. Methods for forming such systems are also disclosed.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Inventors: Thomas Michael Cleary, Steven Edward DeMartino, Timothy Michael Gross, Atul Kumar, Cheng-Chung Li, Torsten Nath, Fabio Lopes Brandao Salgado, Wendell Porter Weeks
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Patent number: 11919396Abstract: Embodiments of a curved vehicle display including a display module having a display surface, a curved glass substrate disposed on the display surface having a first major surface, a second major surface having a second surface area, and a thickness in a range from 0.05 mm to 2 mm, wherein the second major surface comprises a first radius of curvature of 200 mm or greater, wherein, when the display module emits a light, the light transmitted through the glass substrate has a substantially uniform color along 75% or more of the second surface area, when viewed at a viewing angle at a distance of 0.5 meters from the second surface. Methods of forming a curved vehicle display are also disclosed.Type: GrantFiled: May 2, 2023Date of Patent: March 5, 2024Assignee: CORNING INCORPORATEDInventors: Jeffrey Michael Benjamin, Jordon Thomas Boggs, Atul Kumar, Cheng-Chung Li, Yawei Sun
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Patent number: 11899865Abstract: Embodiments of a vehicle interior system are disclosed. In one or more embodiments, the system includes a base with a curved surface, and a display or touch panel disposed on the curved surface. The display includes a cold-bent glass substrate with a thickness of 1.5 mm or less and a first radius of curvature of 20 mm or greater, and a display module and/or touch panel attached to the glass substrate having a second radius of curvature that is within 10% of the first radius of curvature. Methods for forming such systems are also disclosed.Type: GrantFiled: March 31, 2021Date of Patent: February 13, 2024Assignee: Corning IncorporatedInventors: Thomas Michael Cleary, Steven Edward DeMartino, Timothy Michael Gross, Atul Kumar, Cheng-Chung Li, Torsten Nath, Fabio Lopes Brandao Salgado, Wendell Porter Weeks
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Publication number: 20240049364Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: ApplicationFiled: October 16, 2023Publication date: February 8, 2024Inventors: Thiam-Wee TAN, Cheng-Chung LI, Chun CHANG, Yu-Min MENG
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Publication number: 20240049366Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: ApplicationFiled: October 16, 2023Publication date: February 8, 2024Inventors: Thiam-Wee TAN, Cheng-Chung LI, Chun CHANG, Yu-Min MENG
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Publication number: 20240049365Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: ApplicationFiled: October 16, 2023Publication date: February 8, 2024Inventors: Thiam-Wee TAN, Cheng-Chung LI, Chun CHANG, Yu-Min MENG
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Patent number: 11850942Abstract: Embodiments of an article comprising a cold-formed glass substrate in a curved shape, a plurality of separate mechanical retainers, and a frame are disclosed. The cold-formed glass substrate has a first major surface, and a second major surface opposing the first major surface. In one more embodiments, the plurality of separate mechanical retainers are attached to the second major surface of the cold-formed glass substrate. The mechanical retainers may be attached to the frame to define a position for each of the plurality of mechanical retainers, such that the mechanical retainers define the curved shape. Embodiments of processes to form such articles are also provided. Such processes can include attaching a plurality of separate mechanical retainers to a flexible glass substrate such that the glass substrate maintains its flexibility, and attaching the mechanical retainers to a frame, such that the mechanical retainers attached to the frame define a cold-formed curved shape for the flexible glass substrate.Type: GrantFiled: February 25, 2022Date of Patent: December 26, 2023Assignee: Corning IncorporatedInventors: Atul Kumar, Cheng-Chung Li, William Michael Seiderman, Yawei Sun
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Patent number: 11825584Abstract: A heating device includes a first capacitor, a first switch, a second switch, a second capacitor, a third capacitor, a coil and a controller. The first and second switch are coupled in series at a first node, and are coupled with the first capacitor in parallel. The second capacitor is coupled to the first switch. The third capacitor is coupled to the second switch, and is coupled to the second capacitor at a second node. The coil is coupled between the first and the second node. The controller outputs a first and a second control signal to the first switch and the second switch, respectively. After the heating device received a voltage and a starting command, the controller outputs the first and the second control signal to turn on or off the first and the second switch respectively. The duty cycle of the first signal is lower than 50%.Type: GrantFiled: September 29, 2020Date of Patent: November 21, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Thiam-Wee Tan, Cheng-Chung Li, Chun Chang, Yu-Min Meng
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Publication number: 20230271500Abstract: Embodiments of a curved vehicle display including a display module having a display surface, a curved glass substrate disposed on the display surface having a first major surface, a second major surface having a second surface area, and a thickness in a range from 0.05 mm to 2 mm, wherein the second major surface comprises a first radius of curvature of 200 mm or greater, wherein, when the display module emits a light, the light transmitted through the glass substrate has a substantially uniform color along 75% or more of the second surface area, when viewed at a viewing angle at a distance of 0.5 meters from the second surface. Methods of forming a curved vehicle display are also disclosed.Type: ApplicationFiled: May 2, 2023Publication date: August 31, 2023Inventors: Jeffrey Michael Benjamin, Jordon Thomas Boggs, Atul Kumar, Cheng-Chung Li, Yawei Sun
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Publication number: 20230179088Abstract: A power conversion system with ripple injection includes an AC-DC conversion unit, a voltage regulation unit, at least one DC-DC conversion unit, at least one load, and a first control unit. The voltage regulation unit provides a DC link and receives one portion of an input power as an energy storage power. Each DC-DC conversion unit receives the other portion of the input power as an output power. The at least one load correspondingly receives the output power for being supplied power. The first control unit is coupled to the DC link, the at least one DC-DC conversion unit, and the at least one load. The first control unit controls the at least one DC-DC conversion unit to adjust a magnitude of a ripple of the output power to perform a ripple injection operation according to a magnitude of a ripple of the input power.Type: ApplicationFiled: January 24, 2022Publication date: June 8, 2023Inventors: Yu-Jen LIN, Terng-Wei TSAI, Chia-Hsiong HUANG, Cheng-Chung LI, Chien-Hsi WANG
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Patent number: 11660963Abstract: Embodiments of a curved vehicle display including a display module having a display surface, a curved glass substrate disposed on the display surface having a first major surface, a second major surface having a second surface area, and a thickness in a range from 0.05 mm to 2 mm, wherein the second major surface comprises a first radius of curvature of 200 mm or greater, wherein, when the display module emits a light, the light transmitted through the glass substrate has a substantially uniform color along 75% or more of the second surface area, when viewed at a viewing angle at a distance of 0.5 meters from the second surface. Methods of forming a curved vehicle display are also disclosed.Type: GrantFiled: June 21, 2021Date of Patent: May 30, 2023Assignee: Corning IncorporatedInventors: Jeffrey Michael Benjamin, Jordon Thomas Boggs, Atul Kumar, Cheng-Chung Li, Yawei Sun
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Publication number: 20230144929Abstract: A power integration system with motor drive and battery charging and discharging function includes a motor, a power integration circuit, and a battery. The power integration circuit includes an inverter and a charger. The inverter includes multi-phase bridge arms, and each bridge arm has an upper switch and a lower switch. Each bridge arm is correspondingly coupled to each phase winding of the motor. The charger includes a charging unit having at least a switch, an inductor, or a diode and the upper switch and the lower switch of at least one bridge arm of the shared inverter. The power integration circuit receives a DC power provided by a DC power apparatus, and the charger converts the DC power to charge the battery. The battery provides the required power of driving the motor through the inverter.Type: ApplicationFiled: November 7, 2022Publication date: May 11, 2023Inventors: Chih-Chia LIAO, Cheng-Chung LI, Wen-Chieh TSAI, Hsieh-Hsiung CHENG
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Publication number: 20230143231Abstract: A power integration system with motor drive and battery charging and discharging function includes a motor, a power integration circuit, and a battery. The power integration circuit includes an inverter and a charger. The inverter includes multi-phase bridge arms, and each bridge arm has an upper switch and a lower switch. Each bridge arm is correspondingly coupled to each phase winding of the motor. The charger includes a front-end DC conversion path, and the upper switch and the lower switch of at least one bridge arm of the shared inverter. The battery is coupled to the power integration circuit. The power integration circuit receives a DC power provided by a DC power apparatus, and the charger converts the DC power to charge the battery. The battery provides the power required to drive the motor by the inverter.Type: ApplicationFiled: November 7, 2022Publication date: May 11, 2023Inventors: Chih-Chia LIAO, Cheng-Chung LI, Wen-Chieh TSAI, Hsieh-Hsiung CHENG
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Publication number: 20230145202Abstract: A power integration system with motor drive and battery charging and discharging function includes a motor, a power integration circuit, and a battery. The motor includes multi-phase paths, and each path has an inductor. The power integration circuit includes an inverter and a charger. The inverter includes multi-phase bridge arms, each bridge arm has an upper switch and a lower switch, and each bridge is correspondingly coupled to each inductor of the motor. The charger a switch, the upper switch and the lower switch of at least one bridge arm of the shared inverter, and the inductor of the shared motor. The switch is coupled between any two bridge arms. The power integration circuit receives a DC power provided by a DC power apparatus, and the charger converts the DC power to charge the battery, and the battery provides power required to drive the motor through the inverter.Type: ApplicationFiled: November 7, 2022Publication date: May 11, 2023Inventors: Chih-Chia LIAO, Cheng-Chung LI, Wen-Chieh TSAI, Hsieh-Hsiung CHENG