Patents by Inventor Wei-Fan Chen
Wei-Fan 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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Publication number: 20250086497Abstract: A machine learning training device is disclosed. The machine learning training device includes a virtual hard anchor generation circuit, a classification circuit and a training circuit. The virtual hard anchor generation circuit is configured to generate several virtual hard anchors according to several easy samples classified into several types. The virtual hard anchors respectively correspond to one of the several types. The classification circuit is configured to classify several hard samples into several types according to virtual hard anchors. Parts of the hard samples classified into several types are several clean hard samples. Another parts of the hard samples that are not classified into several types are several noisy hard samples. The training circuit is configured to perform machine learning training according to several easy samples and several clean hard samples.Type: ApplicationFiled: January 21, 2024Publication date: March 13, 2025Inventors: Po Hsuan HUANG, Chia-Ching LIN, Chih-Fan HSU, Ming-Ching CHANG, Wei-Chao CHEN
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Publication number: 20250086437Abstract: An operating method of a fully homomorphic encrypted neural network model is provided, wherein the fully homomorphic encrypted neural network model includes a plurality of layers, and the method performed by a processor includes: for one of the plurality of layers, encrypting a plaintext input with a first encryption algorithm to generate a ciphertext vector, performing a convolution operation according to the ciphertext vector to generate a result vector, transforming the result vector into a plurality of result ciphertexts adopting a second encryption algorithm, inputting the plurality of result ciphertexts into an activation function to generate a plurality of encrypted activation values, and repacking the plurality of encrypted activation values to generate an output vector adopting the first encryption algorithm.Type: ApplicationFiled: December 19, 2023Publication date: March 13, 2025Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATIONInventors: Tzu-Li LIU, Yu-Te KU, Ming-Chien HO, Chih-Fan HSU, Wei-Chao CHEN, Feng-Hao LIU, Ming-Ching CHANG, Shih-Hao HUNG
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Publication number: 20250080320Abstract: An inference method for encrypted deep neural network model is executed by a computing device and includes: encoding a message according to a quantization parameter to generate a plaintext, encrypting the plaintext according to a private key to generate a ciphertext, sending the ciphertext to a deep neural network model to generate a ciphertext result, decrypting the ciphertext result according to the private key to generate a plaintext result, and decoding the plaintext result according to the quantization parameter to generate an inference result.Type: ApplicationFiled: January 10, 2024Publication date: March 6, 2025Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATIONInventors: Yu-Te KU, Chih-Fan HSU, Wei-Chao CHEN, Feng-Hao LIU, Ming-Ching CHANG, Shih-Hao HUNG
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Publication number: 20250078123Abstract: A service plan generation method performed by a computing device includes: receiving a service request, wherein the service request includes a plurality of feature labels; selecting a plurality of recommended items from an item database according to the plurality of feature labels; calculating a plurality of item failure rates according to a plurality of historical execution records of the plurality of recommended items; calculating a plurality of redo counts corresponding to the plurality of recommended items according to the plurality of item failure rates; generating a plurality of buffer items corresponding to the plurality of recommended items according to the plurality of redo counts; and performing a scheduling according to the plurality of recommended items and the plurality of buffer items to generate a service plan.Type: ApplicationFiled: January 10, 2024Publication date: March 6, 2025Applicants: INVENTEC (PUDONG) TECHNOLOGY CORPORATION, INVENTEC CORPORATIONInventors: Yu-Lun CHANG, Jing-Lun HUANG, Chih-Fan HSU, Wei-Chao CHEN
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Publication number: 20250081837Abstract: Provided are organometallic compounds comprising two moieties A and B which are each independently a monocyclic ring or a polycyclic fused ring structure, wherein the monocyclic ring or each ring of the polycyclic fused ring structure is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring which are linked by a direct bond and which are further bridged by a linker comprising two groups which are each independently selected from the group consisting of O, S, Se, NR, BR, BRR?, PR, CR, C?O, C?NR, C?CRR?, C?S, CRR?, SO, SO2, P(O)R, SiRR?, and GeRR?. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.Type: ApplicationFiled: November 13, 2024Publication date: March 6, 2025Inventors: Alexey Borisovich Dyatkin, Zhiqiang Ji, Pierre-Luc T. Boudreault, Walter Yeager, Derek Ian Wozniak, Wei-Chun Shih, Hsiao-Fan Chen, Elena Sheina, Peter Wolohan, Wystan Neil Palmer
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Publication number: 20250069881Abstract: Embodiments are directed to a method for minimizing electrostatic charges in a semiconductor substrate. The method includes depositing photoresist on a semiconductor substrate to form a photoresist layer on the semiconductor substrate. The photoresist layer is exposed to radiation. The photoresist layer is developed using a developer solution. The semiconductor substrate is cleaned with a first cleaning liquid to wash the developer solution from the photoresist layer. A tetramethylammonium hydroxide (TMAH) solution is applied to the semiconductor substrate to reduce charges accumulated in the semiconductor substrate.Type: ApplicationFiled: November 7, 2024Publication date: February 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei-Lin CHANG, Chih-Chien WANG, Chihy-Yuan CHENG, Sz-Fan CHEN, Chien-Hung LIN, Chun-Chang CHEN, Ching-Sen KUO, Feng-Jia SHIU
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Patent number: 12239012Abstract: A compound is disclosed that is selected from the group consisting of a structure having and a structure havingType: GrantFiled: May 24, 2023Date of Patent: February 25, 2025Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan Chen, Jason Brooks, Douglas Williams, Charles J. Stanton, III, Eugene S. Gutman, Wei Bao
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Publication number: 20250034189Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a 5-membered or 6-membered ring; moiety B is a fused ring structure comprising at least four rings; K is a direct bond, O, or S; each of Z1 and Z2 is independently C or N; each RA and RB is independently hydrogen or a General Substituent; at least one RB comprises a cyclic group or an electron-withdrawing group; LA is coordinated to a metal M that has an atomic mass of at least 40 and is optionally coordinated to other ligands; and the ligand LA is optionally linked with other ligands. Formulations, OLEDs, and consumer products including the compound are also provided.Type: ApplicationFiled: August 23, 2024Publication date: January 30, 2025Applicant: Universal Display CorporationInventors: Jui-Yi TSAI, Alexey Borisovich Dyatkin, Walter Yeager, Pierre-Luc T. Boudreault, Hsiao-Fan Chen, Wei-Chun Shih, Derek Ian Wozniak
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Publication number: 20250028143Abstract: A driving mechanism for moving an optical element is provided, including a fixed part, a movable part, a driving assembly, and a first guiding member connected between the fixed part and the movable part. The optical element is disposed on the movable part, and the driving assembly drives the movable part to move relative to the fixed part. The first guiding member is configured for guiding the movable part to move relative to the fixed part.Type: ApplicationFiled: July 10, 2024Publication date: January 23, 2025Inventors: Po-Xiang ZHUANG, Yi-Fan LEE, Chao-Yuan CHANG, Wei-Jhe SHEN, Sin-Jhong SONG, Kun-Shih LIN, Yi-Ho CHEN, Chao-Chang HU
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Patent number: 12191403Abstract: A merged PiN Schottky (MPS) diode includes a substrate, a first epitaxial layer of a first conductivity type, doped regions of a second conductivity type, a second epitaxial layer of the first conductivity type, and a Schottky metal layer. The first epitaxial layer is disposed on the first surface of the substrate. The doped regions are disposed in a surface of the first epitaxial layer, wherein the doped regions consist of first portions and second portions, the first portions are electrically floating, and the second portions are electrically connected to a top metal. The second epitaxial layer is disposed on the surface of the first epitaxial layer, wherein trenches are formed in the second epitaxial layer to expose the second portions of the doped regions. The Schottky metal layer is conformally deposited on the second epitaxial layer and the exposed second portions of the doped regions.Type: GrantFiled: March 28, 2024Date of Patent: January 7, 2025Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 12166082Abstract: A silicon carbide semiconductor power transistor and a method of manufacturing the same. The silicon carbide semiconductor power transistor of the disclosure includes a substrate made of silicon carbide (SiC), a drift layer disposed on the substrate, a gate layer formed on the drift layer, a plurality of first and second well pick-up regions disposed in the drift layer, a plurality of source electrodes, and a plurality of contacts. A plurality of V-grooves is formed in the drift layer. A first opening is formed in the gate layer at a bottom of each of the V-grooves, and a second opening is formed in the gate layer at a top of the drift layer between the V-grooves. The plurality of contacts is disposed inside the second opening to be in direct contact with the second well pick-up regions.Type: GrantFiled: April 6, 2022Date of Patent: December 10, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 12154991Abstract: A wide-band gap semiconductor device and a method of manufacturing the same are provided. The wide-band gap semiconductor device of the disclosure includes a substrate, an epitaxial layer, an array of merged PN junction Schottky (MPS) diode, and an edge termination area surrounding the array of MPS diode. The epitaxial layer includes a first plane, a second plane, and trenches between the first plane and the second plane. The array of MPS diode is formed in the first plane of the epitaxial layer. The edge termination area includes a floating ring region having floating rings formed in the second plane of the epitaxial layer, and a transition region between the floating ring region and the array of MPS diode. The transition region includes a PIN diode formed in the plurality of trenches and on the epitaxial layer between the trenches.Type: GrantFiled: February 1, 2024Date of Patent: November 26, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 12149802Abstract: A real-world view display method applied to a video pass-through system, wherein the video pass-through system includes at least one grayscale camera, a color camera and at least one processor. The real-world view display method includes: by the at least one grayscale camera, capturing at least one grayscale image of a physical environment for generating a grayscale pass-through view corresponding to the physical environment; by the color camera, capturing at least one color image of the physical environment; and by the at least one processor, processing the grayscale pass-through view according to the at least one color image to render a color pass-through view in an immersive content, wherein the color pass-through view is corresponding to the physical environment.Type: GrantFiled: January 5, 2023Date of Patent: November 19, 2024Assignee: HTC CorporationInventor: Wei-Fan Chen
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Publication number: 20240347479Abstract: A semiconductor package includes a package substrate having a top surface and an opposing bottom surface. The package substrate includes a top build-up wiring layer and an upper dielectric layer covering the top build-up wiring layer. A semiconductor device and a passive component are mounted on the top surface of the package substrate in a side-by-side manner. A molding compound encapsulates the semiconductor device and the passive component on the top surface of the package substrate. A cavity is disposed between the passive component and the top surface of the package substrate.Type: ApplicationFiled: March 20, 2024Publication date: October 17, 2024Applicant: MEDIATEK INC.Inventors: Chu-Chia Chang, Pei-Haw Tsao, Peng-Yu Huang, Yu-Liang Hsiao, Wei-Fan Chen
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Patent number: 12095254Abstract: An electronic device and a temperature detection device thereof are provided. The temperature detection device includes a differential stage circuit and an output stage circuit. The differential stage circuit includes a first differential end and a second differential end, and includes a cross-coupled transistor element, a first resistor and a second transistor. The cross-coupled transistor element receives a first voltage. The first resistor is coupled between the first differential end and a second voltage, and the first resistor is poly-silicon resistor. The second resistor is coupled between the second differential end and the second voltage, and the second resistor is a silicon carbide diffusion resistor. The output stage circuit generates a driving voltage according to a first control voltage on the first differential end and a second control voltage on the second differential end.Type: GrantFiled: November 30, 2022Date of Patent: September 17, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 12068742Abstract: A short-circuit protection circuitry is adapted for a power transistor. The short-circuit protection circuitry includes a first diode, a first resistor, a voltage dividing circuit, a gate voltage generator, a pull-down circuit, and a control signal generator. The first diode is coupled to a drain of the power transistor. The first resistor is coupled between the first diode and the power transistor. The voltage dividing circuit is coupled between a gate and a source of the power transistor to generate a dividing voltage. The gate voltage generator provides a gate voltage to the gate of the power transistor according to a first driving signal and a second driving signal. The pull-down circuit pulls down the gate voltage according to a control signal. The control signal generator generates the control signal according to the first driving signal, a voltage on the anode of the first diode and the dividing voltage.Type: GrantFiled: July 14, 2022Date of Patent: August 20, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Publication number: 20240234590Abstract: A merged PiN Schottky (MPS) diode includes a substrate, a first epitaxial layer of a first conductivity type, doped regions of a second conductivity type, a second epitaxial layer of the first conductivity type, and a Schottky metal layer. The first epitaxial layer is disposed on the first surface of the substrate. The doped regions are disposed in a surface of the first epitaxial layer, wherein the doped regions consist of first portions and second portions, the first portions are electrically floating, and the second portions are electrically connected to a top metal. The second epitaxial layer is disposed on the surface of the first epitaxial layer, wherein trenches are formed in the second epitaxial layer to expose the second portions of the doped regions. The Schottky metal layer is conformally deposited on the second epitaxial layer and the exposed second portions of the doped regions.Type: ApplicationFiled: March 28, 2024Publication date: July 11, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Publication number: 20240170583Abstract: A wide-band gap semiconductor device and a method of manufacturing the same are provided. The wide-band gap semiconductor device of the disclosure includes a substrate, an epitaxial layer, an array of merged PN junction Schottky (MPS) diode, and an edge termination area surrounding the array of MPS diode. The epitaxial layer includes a first plane, a second plane, and trenches between the first plane and the second plane. The array of MPS diode is formed in the first plane of the epitaxial layer. The edge termination area includes a floating ring region having floating rings formed in the second plane of the epitaxial layer, and a transition region between the floating ring region and the array of MPS diode. The transition region includes a PIN diode formed in the plurality of trenches and on the epitaxial layer between the trenches.Type: ApplicationFiled: February 1, 2024Publication date: May 23, 2024Applicant: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 11990553Abstract: A merged PiN Schottky (MPS) diode includes a substrate, a first epitaxial layer of a first conductivity type, doped regions of a second conductivity type, a second epitaxial layer of the first conductivity type, and a Schottky metal layer. The first epitaxial layer is disposed on the first surface of the substrate. The doped regions are disposed in a surface of the first epitaxial layer, wherein the doped regions consist of first portions and second portions, the first portions are electrically floating, and the second portions are electrically connected to a top metal. The second epitaxial layer is disposed on the surface of the first epitaxial layer, wherein trenches are formed in the second epitaxial layer to expose the second portions of the doped regions. The Schottky metal layer is conformally deposited on the second epitaxial layer and the exposed second portions of the doped regions.Type: GrantFiled: March 31, 2022Date of Patent: May 21, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai
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Patent number: 11955567Abstract: A wide-band gap semiconductor device and a method of manufacturing the same are provided. The wide-band gap semiconductor device of the disclosure includes a substrate, an epitaxial layer, an array of merged PN junction Schottky (MPS) diode, and an edge termination area surrounding the array of MPS diode. The epitaxial layer includes a first plane, a second plane, and trenches between the first plane and the second plane. The array of MPS diode is formed in the first plane of the epitaxial layer. The edge termination area includes a floating ring region having floating rings formed in the second plane of the epitaxial layer, and a transition region between the floating ring region and the array of MPS diode. The transition region includes a PIN diode formed in the plurality of trenches and on the epitaxial layer between the trenches.Type: GrantFiled: February 16, 2022Date of Patent: April 9, 2024Assignee: LEAP Semiconductor Corp.Inventors: Wei-Fan Chen, Kuo-Chi Tsai