Patents by Inventor Wei-Chung Chen
Wei-Chung 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: 11761844Abstract: A leak detection sensor is disclosed for detecting a leaking liquid spilled from an adapter-coupling position, and includes a first conductive layer, an insulator and a second conductive layer. The first conductive layer includes a first through hole. The adapter-coupling position is located adjacent to the first through hole. The insulator includes a second through hole. The second conductive layer is connected to the first conductive layer through the insulator, and includes a conducting surface in fluid communication with the adapter-coupling position through the second through hole and the first through hole. The first conductive layer and the second conductive layer are insulated from each other through the insulator. When the leaking liquid is spilled into the first through hole and the second through hole, and contacts the conducting surface, the second conductive layer is conducted to the first conductive layer to form a conducting-resistance value.Type: GrantFiled: December 8, 2021Date of Patent: September 19, 2023Assignee: DELTA ELECTRONICS, INC.Inventors: Ming-Tang Yang, Yen-Hsuan Wang, Yu-Hao Shen, Wei-Chung Chen, Kun-Cheng Mao, Jhih-Hao Chen, Sheng-Chun Fang
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Patent number: 11715430Abstract: A backlight driving method includes steps of: (A) generating an original synchronization control (SC) signal, and a serial input signal that contains multiple predetermined delay values; (B) generating multiple internal SC signals based on the original SC signal and the delay values, such that respective time delays of the internal SC signals with respect to the original SC signal are respectively dependent on the delay values; and (C) generating multiple backlight driving outputs based on the internal SC signals to respectively drive multiple backlight sources, such that the backlight sources emit light in an order dependent on the delay values.Type: GrantFiled: May 10, 2022Date of Patent: August 1, 2023Assignee: Macroblock, Inc.Inventors: Chang-Lin Chen, Chun-Yi Li, Wei-Chung Chen
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Publication number: 20230216001Abstract: A pixel structure is provided. The pixel structure includes a substrate and a conductive line electrically connected to the substrate. The ratio of the height to the width of the conductive line is between 0.5 and 6. The pixel structure also includes an electrode electrically connected to the conductive line and a conversion element electrically connected to the conductive lines through the electrode.Type: ApplicationFiled: December 30, 2021Publication date: July 6, 2023Inventors: Yu-Chang LIN, Tai-Jui WANG, Chieh Wei FENG, Wei-Chung CHEN
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Patent number: 11694606Abstract: A display device with sensing element includes a substrate having a disposing surface, a plurality of display elements, at least one sensing element, and at least one lighting adjustment element. The display elements are disposed above the disposing surface to present an image. The at least one sensing element disposed above the disposing surface to sense a light brightness projected toward either side of the substrate. The at least one light adjustment element is in signal transmittable connection with the display elements and the at least one sensing element. The at least one light adjustment element adjusts a plurality of control signals inputted into the display elements to determine a contrast of the image.Type: GrantFiled: November 18, 2021Date of Patent: July 4, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Yu Kuo, Wei-Chung Chen, Yi-Hsiang Huang, Yu-Hsiang Liu
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Patent number: 11651745Abstract: A backlight driving method includes steps of: (A) receiving a piece of image data; (B) generating a piece of adjustment data based on the image data; (C) generating, based on a plurality of predetermined delay values and on an original synchronization control (SC) signal that has a pulse, an internal SC signal that has a plurality of pulses, where respective time delays of the pulses of the internal SC signal with respect to the pulse of the original SC signal are respectively dependent on the predetermined delay values; and (D) generating a backlight driving output based on the adjustment data and the internal SC signal, so as to drive a backlight source of a scan-type display to emit light intermittently.Type: GrantFiled: May 10, 2022Date of Patent: May 16, 2023Assignee: MACROBLOCK, INC.Inventors: Chang-Lin Chen, Chun-Yi Li, Wei-Chung Chen
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Publication number: 20230133191Abstract: A leak detection sensor is disclosed for detecting a leaking liquid spilled from an adapter-coupling position, and includes a first conductive layer, an insulator and a second conductive layer. The first conductive layer includes a first through hole. The adapter-coupling position is located adjacent to the first through hole. The insulator includes a second through hole. The second conductive layer is connected to the first conductive layer through the insulator, and includes a conducting surface in fluid communication with the adapter-coupling position through the second through hole and the first through hole. The first conductive layer and the second conductive layer are insulated from each other through the insulator. When the leaking liquid is spilled into the first through hole and the second through hole, and contacts the conducting surface, the second conductive layer is conducted to the first conductive layer to form a conducting-resistance value.Type: ApplicationFiled: December 8, 2021Publication date: May 4, 2023Inventors: Ming-Tang Yang, Yen-Hsuan Wang, Yu-Hao Shen, Wei-Chung Chen, Kun-Cheng Mao, Jhih-Hao Chen, Sheng-Chun Fang
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Patent number: 11581795Abstract: A current sensing circuit includes an inductor current sensing circuit and a processing circuit. The inductor current sensing circuit senses an inductor current of a direct current to direct current (DC-to-DC) converter to generate a first sensed current signal, wherein an average value of the first sensed current signal is not a constant under different input voltages of the DC-to-DC converter. The processing circuit generates a second sensed current signal, wherein the first sensed current signal is involved in generation of the second sensed current signal, the second sensed current signal is involved in current-mode control of the DC-to-DC converter, and an average value of the second sensed current signal is a constant under said different input voltages of the DC-to-DC converter.Type: GrantFiled: July 6, 2021Date of Patent: February 14, 2023Assignee: MEDIATEK INC.Inventors: Wei-Chung Chen, Kuo-Chun Hsu
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Patent number: 11557971Abstract: A switching regulator includes a first switch circuit, a second switch circuit, and a protection circuit. The first switch circuit has a first connection node coupled to a first reference voltage, and a second connection node coupled to one end of an inductor. The second switch circuit has a first connection node coupled to a second reference voltage, and a second connection node coupled to the one end of the inductor. The protection circuit senses a voltage level at the first connection node of the first switch circuit, and selectively enables an auxiliary current path in response to the voltage level at the first connection node of the first switch circuit, wherein the auxiliary current path and at least the first switch circuit are arranged in a parallel connection fashion.Type: GrantFiled: October 30, 2020Date of Patent: January 17, 2023Assignee: MEDIATEK INC.Inventors: Wei-Chung Chen, Kuo-Chun Hsu, Chen Tsou, Chao-Chang Chiu, Chih-Wei Chang
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Patent number: 11553612Abstract: A foldable hinge is described herein that includes a plurality of interconnected sliding links, wherein each of the interconnected sliding links comprise at least one curved extruding prong and at least one curved rail. The at least one curved rail of a first interconnected sliding link can be coupled to the at least one curved extruding prong of a second interconnected sliding link to form a torque engine. Additionally, the interconnected sliding links can be rotatable based on a pressure applied to the interconnected sliding links. The foldable hinge can also include a plurality of shafts coupled to the plurality of interconnected sliding links, wherein each shaft is coupled to a separate interconnected sliding link.Type: GrantFiled: April 20, 2017Date of Patent: January 10, 2023Assignee: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.Inventors: Wei-Chung Chen, Kuan-Ting Wu, Chi-Hao Chang
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Publication number: 20220400571Abstract: The present disclosure provides a latch mechanism, applied to a rack-mount server system. The rack-mount server system includes a server and a manifold, and the server includes a casing and a fluid connector. The manifold includes a manifold connector. The latch mechanism includes a fixing member, a fixing frame and a hook member. The fixing member is disposed on the manifold and includes a fixing pin. The fixing frame is secured to the server and includes a shaft. The hook member is rotatably disposed on the shaft and includes a hook portion. By rotating the hook portion to latch with the fixing pin, the fixing frame and fixing member are secured with each other, and the fluid connector of the server is coupled to and in fluid communication with the manifold connector of the manifold.Type: ApplicationFiled: December 21, 2021Publication date: December 15, 2022Inventors: Ming-Tang Yang, Wei-Chung Chen, Yu-Hao Shen
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Patent number: 11523102Abstract: In example implementations, an apparatus is provided. The apparatus includes a movable light emitting diode (LED) base. A plurality of LED arrays is coupled to the movable LED base. The apparatus includes a grid that includes a plurality of walls. The grid is positioned such that each LED array of the plurality of LED arrays is adjacent to a wall of the plurality of walls.Type: GrantFiled: December 6, 2017Date of Patent: December 6, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kuan-Ting Wu, Wei-Chung Chen, Hsing-Hung Hsieh
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Publication number: 20220366863Abstract: A backlight driving method includes steps of: (A) receiving a piece of image data that includes a number (K) of segments, where K?2; (B) generating a piece of adjustment data that includes a number (K) of segments; each segment of the adjustment data being generated based on a respective segment of the image data and upon receipt of the respective segment of the image data; (C) generating, based on a piece of delay data and on an original synchronization control (SC) signal that has a pulse, an internal SC signal that has a number (K) of pulses; and (D) generating a backlight driving output based on the adjustment data and the internal SC signal, so as to drive a backlight source of a scan-type display to emit light.Type: ApplicationFiled: May 10, 2022Publication date: November 17, 2022Applicant: MACROBLOCK, INC.Inventors: Chang-Lin Chen, Chun-Yi Li, Wei-Chung Chen
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Publication number: 20220366860Abstract: A backlight driving method includes steps of: (A) generating an original synchronization control (SC) signal, and a serial input signal that contains multiple predetermined delay values; (B) generating multiple internal SC signals based on the original SC signal and the delay values, such that respective time delays of the internal SC signals with respect to the original SC signal are respectively dependent on the delay values; and (C) generating multiple backlight driving outputs based on the internal SC signals to respectively drive multiple backlight sources, such that the backlight sources emit light in an order dependent on the delay values.Type: ApplicationFiled: May 10, 2022Publication date: November 17, 2022Applicant: Macroblock, Inc.Inventors: Chang-Lin Chen, Chun-Yi Li, Wei-Chung Chen
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Publication number: 20220366862Abstract: A backlight driving method includes steps of: (A) receiving a piece of image data; (B) generating a piece of adjustment data based on the image data; (C) generating, based on a plurality of predetermined delay values and on an original synchronization control (SC) signal that has a pulse, an internal SC signal that has a plurality of pulses, where respective time delays of the pulses of the internal SC signal with respect to the pulse of the original SC signal are respectively dependent on the predetermined delay values; and (D) generating a backlight driving output based on the adjustment data and the internal SC signal, so as to drive a backlight source of a scan-type display to emit light intermittently.Type: ApplicationFiled: May 10, 2022Publication date: November 17, 2022Applicant: MACROBLOCK, INC.Inventors: Chang-Lin Chen, Chun-Yi Li, Wei-Chung Chen
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Patent number: 11490532Abstract: Examples of hinge assemblies are described. In an example implementation, a hinge assembly includes hinge elements which are interconnected to move the hinge assembly between a folded position and an unfolded position. The hinge assembly further includes elastic members disposed between the hinge elements at a first side and a second side thereof. When the hinge assembly is moved from the unfolded position towards the folded position, elastic members at the first side are decompressed and elastic members at the second side are stretched. When the hinge assembly is moved from the folded position towards the unfolded position, elastic members at the first side are compressed and the elastic members at the second side are destretched.Type: GrantFiled: October 6, 2017Date of Patent: November 1, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Wei-Chung Chen, Kuan-Ting Wu, Chi-Hao Chang
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Patent number: 11481479Abstract: A system may include a fingerprint scanner and a magnetic switch coupled to the fingerprint scanner. The magnetic switch may couple a lid of a computing device to abase of a computing device. The system may further include an infrared (IR) scanner coupled to the magnetic switch. Additionally, the system may include an electronic switch coupled to the IR scanner.Type: GrantFiled: September 28, 2017Date of Patent: October 25, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kuan-Ting Wu, Wei-Chung Chen, Xuan-Fang Shi
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Patent number: 11455930Abstract: A driving system includes a scan driving device. The scan driving device includes a configuration register, a counter, multiple comparators and a driver. The configuration register generates a counting parameter and multiple scan order parameters based on a serial input signal and a clock signal. The counter generates a counting value based on the clock signal, an enable signal and the counting parameter. Each comparator compares the counting value with a respective one of the scan order parameters to generate a comparison result. The driver generates multiple scan driving signals for driving a scan-type display based on the clock signal, on the enable signal and on the comparison results respectively generated by the comparators.Type: GrantFiled: January 20, 2022Date of Patent: September 27, 2022Assignee: MACROBLOCK, INC.Inventors: Chih-Hung Lee, Wei-Chung Chen, Wei-Hsiang Cheng
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Patent number: 11423812Abstract: In some examples, a pixel comprises a plurality of subpixels, wherein each subpixel includes a micro-motor, a rotatable substrate in which the micro-motor is embedded, and a plurality of micro-light emitting diodes (LEDs) embedded in the rotatable substrate.Type: GrantFiled: December 14, 2017Date of Patent: August 23, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Kuan-Ting Wu, Wei-Chung Chen, Cheng-Hua Yu
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Patent number: 11422591Abstract: In one example, a hinge assembly is disclosed, which may include a band torque engine having at least one bearing portion and a vertical torque engine coupled to the band torque engine. The vertical torque engine may have an opening. The hinge assembly may include a first shaft received through the at least one bearing portion and the opening. The first shaft may be rotatable along an axis with respect to the band torque engine and the vertical torque engine. The hinge assembly may include a display bracket including an adaptor portion to hold the first shaft such that the first shaft rotates along with the display bracket. The band torque engine may provide a frictional torque and the vertical torque engine may compressively engage with the first shaft to provide a vertical frictional torque during rotation of the display bracket.Type: GrantFiled: August 31, 2017Date of Patent: August 23, 2022Assignee: Hewlett-Packard Development Company, L.P.Inventors: Wei-Chung Chen, Chung-Hua Ku, Kuan-Ting Wu
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Publication number: 20220262301Abstract: A display device with sensing element includes a substrate having a disposing surface, a plurality of display elements, at least one sensing element, and at least one lighting adjustment element. The display elements are disposed above the disposing surface to present an image. The at least one sensing element disposed above the disposing surface to sense a light brightness projected toward either side of the substrate. The at least one light adjustment element is in signal transmittable connection with the display elements and the at least one sensing element. The at least one light adjustment element adjusts a plurality of control signals inputted into the display elements to determine a contrast of the image.Type: ApplicationFiled: November 18, 2021Publication date: August 18, 2022Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Yu KUO, Wei-Chung CHEN, Yi-Hsiang HUANG, Yu- Hsiang LIU