Patents by Inventor Yi-Chun Lu
Yi-Chun Lu 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: 20250078202Abstract: This disclosure provides systems, methods, and devices for image signal processing that support image detail recovery using high frequency and low frequency components of an image frame. In a first aspect, a method of image processing includes receiving image data of an image frame, determining quad phase detection (QPD) image data for the image frame based on the image data for the image frame, and generating a first high frequency component of the image data for a first phase of the image data based on the QPD image data. Other aspects and features are also claimed and described.Type: ApplicationFiled: August 30, 2023Publication date: March 6, 2025Inventors: Jing Wang, Ting-Kuei Hu, Yi-Chun Lu, Xiaoyun Jiang
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Patent number: 12206144Abstract: Provided is an aqueous redox flow battery comprising a positive electrode, a negative electrode, a posolyte chamber containing a posolyte in a solvent, a negolyte chamber containing a polysulfide based negolyte and a soluble organic catalyst in a solvent, and a separator disposed between the posolyte chamber and the negolyte chamber, wherein the soluble organic catalyst has a potential lower than the polysulfide based negolyte.Type: GrantFiled: March 25, 2022Date of Patent: January 21, 2025Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Jiafeng Lei
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Publication number: 20240321626Abstract: A semiconductor structure includes a ceramic substrate, a first bonding layer, a second bonding layer, a cavity, and a semiconductor layer. The ceramic substrate includes holes on its surface. The first bonding layer is disposed on the surface of the ceramic substrate, and the second bonding layer is bonded to the first bonding layer. The cavity is disposed above the hole and enclosed by the first bonding layer and the second bonding layer. The semiconductor layer extends over the cavity and is disposed along the surface of the second bonding layer.Type: ApplicationFiled: May 29, 2024Publication date: September 26, 2024Applicant: Vanguard International Semiconductor CorporationInventors: Yang Du, Yung-Fong Lin, Tsung-Hsiang Lin, Yu-Chieh Chou, Cheng-Tao Chou, Yi-Chun Lu, Chun-Hsu Chen
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Patent number: 12027413Abstract: A semiconductor structure includes a ceramic substrate, a first bonding layer, a second bonding layer, a cavity, and a semiconductor layer. The ceramic substrate includes holes on its surface. The first bonding layer is disposed on the surface of the ceramic substrate, and the second bonding layer is bonded to the first bonding layer. The cavity is disposed above the hole and enclosed by the first bonding layer and the second bonding layer. The semiconductor layer extends over the cavity and is disposed along the surface of the second bonding layer.Type: GrantFiled: August 22, 2021Date of Patent: July 2, 2024Assignee: Vanguard International Semiconductor CorporationInventors: Yang Du, Yung-Fong Lin, Tsung-Hsiang Lin, Yu-Chieh Chou, Cheng-Tao Chou, Yi-Chun Lu, Chun-Hsu Chen
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Publication number: 20240037764Abstract: Systems and techniques are described herein for processing video data. In some examples, a process is described that can include obtaining a plurality of frames, determining a scene cut in the plurality of frames, and determining a smoothed histogram based on the determined scene cut. For instance, the process can include determining a first characteristic of at least a first frame of the plurality of frames and a second characteristic of at least a second frame of the plurality of frames, determining whether a difference between the first characteristic and the second characteristic is greater than a threshold difference, and determining the scene cut based a determination that the difference between the first characteristic and the second characteristic is greater than the threshold difference.Type: ApplicationFiled: September 15, 2021Publication date: February 1, 2024Inventors: Shang-Chih CHUANG, Zhongshan WANG, Yi-Chun LU
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Patent number: 11881605Abstract: Provided is an aqueous redox flow battery comprising a positive electrode, a negative electrode, a posolyte chamber containing a posolyte, a negolyte chamber containing a polyoxometalate as a negolyte, and a separator disposed between the posolyte chamber and the negolyte chamber, wherein the polyoxometalate has a conductivity of 65 mS cm?1 or more at ?20° C., and the aqueous redox flow battery has a power density of 250 mW cm?2 or more at ?20° C.Type: GrantFiled: February 25, 2022Date of Patent: January 23, 2024Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Fei Ai
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Patent number: 11784341Abstract: The invention provides novel high-energy density and low-cost flow electrochemical devices incorporating solid-flow electrodes, and further provides methods of using such electrochemical devices. Included are anode and cathode current collector foils that can be made to move during discharge or recharge of the device. Solid-flow devices according to the invention provide improved charging capability due to direct replacement of the conventional electrode stack, higher volumetric and gravimetric energy density, and reduced battery cost due to reduced dimensions of the ion-permeable layer.Type: GrantFiled: December 7, 2016Date of Patent: October 10, 2023Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Zengyue Wang, Long Yin Simon Tam, Qingli Zou, Guangtao Cong
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Publication number: 20230307682Abstract: Provided is an aqueous redox flow battery comprising a positive electrode, a negative electrode, a posolyte chamber containing a posolyte in a solvent, a negolyte chamber containing a polysulfide based negolyte and a soluble organic catalyst in a solvent, and a separator disposed between the posolyte chamber and the negolyte chamber, wherein the soluble organic catalyst has a potential lower than the polysulfide based negolyte.Type: ApplicationFiled: March 25, 2022Publication date: September 28, 2023Inventors: Yi-Chun LU, Jiafeng LEI
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Publication number: 20230275247Abstract: Provided is an aqueous redox flow battery comprising a positive electrode, a negative electrode, a posolyte chamber containing a posolyte, a negolyte chamber containing a polyoxometalate as a negolyte, and a separator disposed between the posolyte chamber and the negolyte chamber, wherein the polyoxometalate has a conductivity of 65 mS cm?1 or more at ?20° C., and the aqueous redox flow battery has a power density of 250 mW cm?2 or more at ?20° C.Type: ApplicationFiled: February 25, 2022Publication date: August 31, 2023Inventors: Yi-Chun LU, Fei AI
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Publication number: 20230215416Abstract: A biquad hybrid active noise cancellation (ANC) device includes a reference microphone (MIC), an error MiC, a speaker, and a controller. The controller is connected to the reference MiC, the error MiC, and the speaker, wherein the controller includes a feedforward biquad ANC filter, a feedback biquad ANC filter, and a mixer, the feedforward biquad ANC filter processes reference noise to generate a feedforward noise control signal, the feedback biquad ANC filter processes residual noise received by the error MiC to generate a feedback noise control signal, and the feedforward noise control signal generated by the feedforward biquad ANC filter and the feedback noise control signal generated by the feedback biquad ANC filter are added by the mixer and transmits to the speaker for playing.Type: ApplicationFiled: January 5, 2022Publication date: July 6, 2023Applicant: BlueX Microelectronics ( Hefei ) Co., Ltd.Inventors: Hao-Ming Chen, Yi-Chun Lu, HONGYU LI
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Publication number: 20230058295Abstract: A semiconductor structure includes a ceramic substrate, a first bonding layer, a second bonding layer, a cavity, and a semiconductor layer. The ceramic substrate includes holes on its surface. The first bonding layer is disposed on the surface of the ceramic substrate, and the second bonding layer is bonded to the first bonding layer. The cavity is disposed above the hole and enclosed by the first bonding layer and the second bonding layer. The semiconductor layer extends over the cavity and is disposed along the surface of the second bonding layer.Type: ApplicationFiled: August 22, 2021Publication date: February 23, 2023Applicant: Vanguard International Semiconductor CorporationInventors: Yang Du, Yung-Fong Lin, Tsung-Hsiang Lin, Yu-Chieh Chou, Cheng-Tao Chou, Yi-Chun Lu, Chun-Hsu Chen
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Patent number: 11552324Abstract: A flow battery system and methods are provided for eliminating crossover issues of active materials in redox flow batteries. A solid adsorbent with large specific surface area is disposed in an electrolyte of at least one half-cell, in contact with the electrolyte. During a charging process, the active material in a charged state is captured and stored on surfaces of the adsorbent, so that concentrations of the active material in the electrolyte in the charged state is reduced and the crossover is inhibited. During a discharging process, the active material is desorbed from the adsorbent to the electrolyte and pumped into the stack for reaction. The flow battery stack can have a microporous membrane separator. The electrolyte of the flow battery includes zinc iodide as active material and polyethylene glycol (PEG) as an additive.Type: GrantFiled: September 11, 2020Date of Patent: January 10, 2023Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Zengyue Wang
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Patent number: 11552351Abstract: Disclosed is an electrical cell comprising a negative electrode, a positive electrode, and a deposition layer separating the positive electrode and a gas phase that supplies at least one reactive gas; wherein the deposition layer and the positive electrode are in communication with each other via electrolyte(s). Also disclosed is a battery comprising the electrical cell described above and a battery comprising: a cell comprising a negative electrode in communication with an anolyte and a positive electrode in communication with a catholyte; and a gas-liquid reactor, which is fed with the catholyte from the cell and a gas.Type: GrantFiled: April 2, 2019Date of Patent: January 10, 2023Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Zhuojian Liang
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Publication number: 20220414847Abstract: Systems and techniques are described for generating a high dynamic range (HDR) image. An imaging system can be configured to receive a first image captured by an image sensor according to a first exposure time. The imaging system can generate a modified image based on the first image by modifying the first image using a gain setting to simulate a second exposure time based on exposure compensation. The imaging system generates a high dynamic range (HDR) image at least in part by merging multiple images. The multiple images include a second-exposure image that corresponds to the second exposure time. The second-exposure image can be the modified image. The second-exposure image can be based on the modified image, processed variant of the modified image processed for noise reduction based on one or more other images actually captured using the second exposure time.Type: ApplicationFiled: June 29, 2021Publication date: December 29, 2022Inventors: Nyeongkyu KWON, Shang-Chih CHUANG, Ting-Kuei HU, Yi-Chun LU
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Patent number: 11515572Abstract: The disclosure relates to a molecular crowding type electrolyte that comprises at least one type of water-miscible/soluble polymer which acts as molecular crowding agent, a salt and a water. The disclosure also relates to a battery comprising the molecular crowding type electrolyte, and a method of using the molecular crowding electrolyte in electrochemical system such as battery that comprises an anode, a cathode and the molecular crowding type electrolyte.Type: GrantFiled: February 21, 2020Date of Patent: November 29, 2022Assignee: The Chinese University of Hong KongInventors: Yi-Chun Lu, Jing Xie
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Patent number: 11373281Abstract: Methods, systems, and devices for anchor frame switching in an imaging system are described. A device may generate a pixel map based on a set of frames. A first subset of frames of the set of frames have a first exposure and a second subset of frames of the set of frames have a second exposure different than the first exposure. The device may determine a region of the pixel map representing motion between at least two frames of the first set of frames. If the device determines that a quantity of motion pixels in the region is higher than a threshold, the device may select a short exposure frame as an anchor frame, beginning at a later frame. Otherwise, the device may maintain using a long exposure frame as the anchor frame.Type: GrantFiled: February 23, 2021Date of Patent: June 28, 2022Assignee: QUALCOMM IncorporatedInventors: Narayana Karthik Ravirala, Xiaoyun Jiang, Shang-Chih Chuang, Yi-Chun Lu, Younsu Kim
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Patent number: 11363213Abstract: Methods, systems, and devices for minimizing ghosting in high dynamic range image processing are described. The method may include capturing from a sensor of the device a downscaled first frame of a first exposure length and a downscaled second frame of a second exposure length that is longer than the first exposure length, identifying a highlight region associated with the downscaled first frame and a motion region associated with the downscaled first frame and with the downscaled second frame, blending the motion region in accordance with determining whether at least a portion of the motion region overlaps the highlight region, and incorporating the blending of the motion region in a set of full resolution frames.Type: GrantFiled: February 26, 2021Date of Patent: June 14, 2022Assignee: QUALCOMM IncorporatedInventors: Ki Sun Song, Yi-Chun Lu, Shang-Chih Chuang, Xiaoyun Jiang, Nyeongkyu Kwon
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Publication number: 20220085401Abstract: A flow battery system and methods are provided for eliminating crossover issues of active materials in redox flow batteries. A solid adsorbent with large specific surface area is disposed in an electrolyte of at least one half-cell, in contact with the electrolyte. During a charging process, the active material in a charged state is captured and stored on surfaces of the adsorbent, so that concentrations of the active material in the electrolyte in the charged state is reduced and the crossover is inhibited. During a discharging process, the active material is desorbed from the adsorbent to the electrolyte and pumped into the stack for reaction. The flow battery stack can have a microporous membrane separator. The electrolyte of the flow battery includes zinc iodide as active material and polyethylene glycol (PEG) as an additive.Type: ApplicationFiled: September 11, 2020Publication date: March 17, 2022Inventors: Yi-Chun LU, Zengyue WANG
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Publication number: 20210382442Abstract: A device with a noise shaping function in gain control includes a first adder, an N-bit quantizer, a mapping circuit, a second adder, a first D flip-flop, a scaler, and a second D flip-flop. The first adder generates a first value according to an input signal, a second value, and a third value. The N-bit quantizer outputs a codeword to a controller according to the first value. Adjusting orders corresponding to codewords outputted by the N-bit quantizer are between a smallest predetermined negative value and a largest positive predetermined value, the controller utilizes an adjusting order corresponding to the codeword to make a signal generator generate a signal with adjusted power, and N is an integer greater than 2. The first D flip-flop, the scaler, and the second D flip-flop are used for providing a high-pass filter effect to the device.Type: ApplicationFiled: June 9, 2020Publication date: December 9, 2021Inventors: Hao-Ming Chen, Yi-Chun Lu, HONGYU LI
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Patent number: 11177476Abstract: The disclosure relates to a complexed iodine-based electrolyte, a redox flow battery comprising the complexed iodine-based electrolyte, and a method for producing the redox flow battery.Type: GrantFiled: September 3, 2019Date of Patent: November 16, 2021Assignee: The Chinese University of Hong KongInventors: Guoming Weng, Yi-Chun Lu, Zengyue Wang, Simon Long Yin Tam