Patents by Inventor Chi-Hsin Chen
Chi-Hsin 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).
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Patent number: 11991482Abstract: An illumination system, a projection device, and a projection control method are provided. The illumination system includes a first light-emitting unit, a second light-emitting unit, a third light-emitting unit, a first dichroic element, a second dichroic element, and a control unit. The first light-emitting unit includes a first light-emitting element and a second light-emitting element. The control unit is electrically connected to the first light-emitting unit and configured to switch the illumination system between a high-performance mode and a high-chroma mode, wherein when the illumination system is in the high-performance mode, the control unit controls a current ratio of the second light-emitting element to be greater than a current ratio of the first light-emitting element, and when the illumination system is in the high-chroma mode, the control unit controls the current ratio of the second light-emitting element to be less than the current ratio of the first light-emitting element.Type: GrantFiled: October 28, 2022Date of Patent: May 21, 2024Assignee: Coretronic CorporationInventors: Chi-Fu Liu, Tsung-Hsin Liao, Chun-Li Chen, Hung-Yu Lin
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Patent number: 11967645Abstract: A semiconductor device is provided. The semiconductor device includes a substrate, a field plate, a gate electrode, and a first dielectric layer. The substrate has a top surface. The substrate includes a first drift region with a first conductivity type extending from the top surface of the substrate into the substrate, and includes a second drill region with the first conductivity type extending from the top surface of the substrate into the substrate and adjacent to the first drift region. The field plate is over the substrate. The gate electrode has a first portion and a second portion, wherein the first portion of the gate electrode is located over the field plate. The first dielectric layer is between the substrate and the field plate. The first portion of the gate electrode is overlapping with a boundary of the first drift region and the second drift region in the substrate.Type: GrantFiled: July 30, 2021Date of Patent: April 23, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Yogendra Yadav, Chi-Chih Chen, Ruey-Hsin Liu, Chih-Wen Yao
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Patent number: 11947251Abstract: An illumination system provides an illumination beam and includes a red light source, a green light source, a blue light source, a first supplementary light source, a first X-shaped light-splitting assembly, a first light-splitting element, and a light-uniforming element. The red light source provides a red beam. The green light source provides a green beam. The blue light source provides a blue beam. The first supplementary light source provides a first supplementary beam. The first X-shaped light-splitting assembly guides the first supplementary beam and the blue beam to the first light-splitting element. The first light-splitting element guides the red beam, the green beam, the blue beam, and the first supplementary beam to the light-uniforming element. The first supplementary beam is a red supplementary beam or a blue supplementary beam, and the illumination system includes at least five light-emitting elements. A projection apparatus including the above illumination system is also provided.Type: GrantFiled: March 23, 2022Date of Patent: April 2, 2024Assignee: Coretronic CorporationInventors: Chi-Fu Liu, Tsung-Hsin Liao, Chun-Li Chen, Hung-Yu Lin
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Patent number: 11946569Abstract: An actuating and sensing module is disclosed and includes a bottom plate, a gas pressure sensor, a thin gas transportation device and a cover plate. The bottom plate includes a pressure relief orifice, a discharging orifice and a communication orifice. The gas pressure sensor is disposed on the bottom plate and seals the communication orifice. The thin gas transportation device is disposed on the bottom plate and seals the pressure relief orifice and the discharging orifice. The cover plate is disposed on the bottom plate and covers the gas pressure sensor and the thin gas-transportation device. The cover plate includes an intake orifice. The thin gas transportation device is driven to inhale gas through the intake orifice, the gas is then discharged through the discharging orifice by the thin gas transportation device, and a pressure change of the gas is sensed by the gas pressure sensor.Type: GrantFiled: April 19, 2021Date of Patent: April 2, 2024Assignee: MICROJET TECHNOLOGY CO., LTD.Inventors: Hao-Jan Mou, Shih-Chang Chen, Jia-Yu Liao, Hung-Hsin Liao, Chung-Wei Kao, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai, Wei-Ming Lee
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Publication number: 20240071263Abstract: The present invention provides a display panel, including a backplane having flexibility, a first fixing member, a front frame having flexibility, and a display module provided between the backplane and the front frame. The backplane has a base plate with a first side. The first fixing member extends corresponding to the first side and has a first predetermined curvature. The first fixing member at least has a first wall body standing upright relative to the base plate, and the first fixing member is relatively fixed to the backplane, so that the curvature of the backplane can be adjusted corresponding to the first fixing member. The front frame is provided in a manner that extends correspondingly to the periphery of the backplane, and is relatively fixed to the backplane, so that the curvature of the front frame is relatively adapted to that of the backplane.Type: ApplicationFiled: August 28, 2023Publication date: February 29, 2024Inventors: MING-CHIN TSAI, CHIA-HSIN JOW, CHI-CHANG CHEN, CHIA-HSIN CHANG
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Patent number: 11914277Abstract: An illumination system for providing an illumination beam includes red, blue, and green light source modules, a first light combining element, and a light uniforming element. The red light source module includes a first red light emitting element emitting first red light and a second red light emitting element emitting second red light. A peak wavelength of the second red light is greater than a peak wavelength of the first red light. The blue light source module includes a first blue light emitting element emitting first blue light and a second blue light emitting element emitting second blue light. A peak wavelength of the second blue light is less than a peak wavelength of the first blue light. The green light source module generates green light. The first light combining element guides these lights into the light uniforming element, so that the illumination system outputs the illumination beam.Type: GrantFiled: January 18, 2022Date of Patent: February 27, 2024Assignee: Coretronic CorporationInventors: Hung-Yu Lin, Chi-Fu Liu, Chun-Hsin Lu, Chun-Li Chen
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Patent number: 11917340Abstract: A projection device, including an illumination system, a control element, a driving element, a light valve, and a projection lens, is provided. The illumination system includes multiple light sources for providing multiple light beams to be combined into an illumination light beam. The driving element respectively drives the light sources in a first mode or a second mode, so that the light beams have respective luminous brightness, and the driving element is switched from the first mode to the second mode according to a first signal. The control element provides the first signal to the driving element according to an optical state or a time state of the projection device. The light valve is adapted to convert the illumination light beam into an image light beam. The projection lens is adapted to project the image light beam out of the projection device.Type: GrantFiled: March 24, 2022Date of Patent: February 27, 2024Assignee: Coretronic CorporationInventors: Chi-Fu Liu, Tsung-Hsin Liao, Chun-Li Chen, Hung-Yu Lin
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Publication number: 20090315823Abstract: A liquid crystal display includes a control unit, an inverter connected to the control unit and a load connected to the inverter. The control unit provides a first control signal and a second control signal to the inverter according to a degree of brightness of an external image signals. The inverter adjusts luminous intensity of the load according to the first control signal and the second control signal. Also provided is a method for driving the liquid crystal display.Type: ApplicationFiled: June 19, 2009Publication date: December 24, 2009Inventors: Chi-Hsin Chen, Hai-Jun Xiong, Chen-Hsun Liao
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Publication number: 20080071335Abstract: An anti-slip treatment pad is enclosed. The treatment pad comprises a band with two ends and having a treatment pad characterized in that the two ends are provided with a fastening unit and the band forms into a circular body by fastening the two ends of the band to each other, and the band is applied onto any part of the body and is fastened by means of the fastening unit to form the anti-slip treatment pad.Type: ApplicationFiled: September 15, 2006Publication date: March 20, 2008Inventor: CHI-HSIN CHEN