Patents by Inventor Cheng-Yuan Wang
Cheng-Yuan Wang 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: 11989005Abstract: A system performs adaptive thermal ceiling control at runtime. The system includes computing circuits and a thermal management module. When detecting a runtime condition change that affects power consumption in the system, the thermal management module determines an adjustment to the thermal ceiling of a computing circuit, and increases the thermal ceiling of the computing circuit according to the adjustment.Type: GrantFiled: September 30, 2021Date of Patent: May 21, 2024Assignee: MediaTek Inc.Inventors: Bo-Jr Huang, Jia-Wei Fang, Jia-Ming Chen, Ya-Ting Chang, Chien-Yuan Lai, Cheng-Yuh Wu, Yi-Pin Lin, Wen-Wen Hsieh, Min-Shu Wang
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Publication number: 20240162833Abstract: A power supply unit supplies power to a load, and the power supply unit includes a power factor corrector, a DC conversion module, and an isolated conversion module. The power factor corrector is plugged into a first main circuit board and converts an AC power into a DC power. The DC conversion module is plugged into the first main circuit board and converts the DC power into a main power. The isolated conversion module includes a bus capacitor, the bus capacitor is coupled to the DC conversion module through a first power copper bar, and coupled to the power factor corrector through a second power copper bar. The first power copper bar and the second power copper bar are arranged on a side opposite to the first main circuit board, and are arranged in parallel with the first main circuit board.Type: ApplicationFiled: November 13, 2023Publication date: May 16, 2024Inventors: Yi-Sheng CHANG, Cheng-Chan HSU, Chia-Wei CHU, Chun-Yu YANG, Deng-Cyun HUANG, Yi-Hsun CHIU, Chien-An LAI, Yu-Tai WANG, Chi-Shou HO, Zhi-Yuan WU, Ko-Wen LU
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Patent number: 11978773Abstract: A semiconductor device structure and a method for forming a semiconductor device structure are provided. The semiconductor device structure includes a stack of channel structures over a base structure. The semiconductor device structure also includes a first epitaxial structure and a second epitaxial structure sandwiching the channel structures. The semiconductor device structure further includes a gate stack wrapped around each of the channel structures and a backside conductive contact connected to the second epitaxial structure. A first portion of the backside conductive contact is directly below the base structure, and a second portion of the backside conductive contact extends upwards to approach a bottom surface of the second epitaxial structure. In addition, the semiconductor device structure includes an insulating spacer between a sidewall of the base structure and the backside conductive contact.Type: GrantFiled: March 25, 2021Date of Patent: May 7, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Shih-Chuan Chiu, Cheng-Chi Chuang, Chih-Hao Wang
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Patent number: 11955515Abstract: A semiconductor device with dual side source/drain (S/D) contact structures and a method of fabricating the same are disclosed. The method includes forming a fin structure on a substrate, forming a superlattice structure on the fin structure, forming first and second S/D regions within the superlattice structure, forming a gate structure between the first and second S/D regions, forming first and second contact structures on first surfaces of the first and second S/D regions, and forming a third contact structure, on a second surface of the first S/D region, with a work function metal (WFM) silicide layer and a dual metal liner. The second surface is opposite to the first surface of the first S/D region and the WFM silicide layer has a work function value closer to a conduction band energy than a valence band energy of a material of the first S/D region.Type: GrantFiled: July 28, 2022Date of Patent: April 9, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shih-Chuan Chiu, Chia-Hao Chang, Cheng-Chi Chuang, Chih-Hao Wang, Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Yu-Ming Lin
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Patent number: 11955416Abstract: A semiconductor structure is provided. The semiconductor structure comprises a substrate, a via, a liner layer, a barrier layer, and a conductor. The via penetrates through the substrate. The liner layer is formed on a sidewall of the via. The barrier layer is formed on the liner layer. The barrier layer comprises a conductive 2D material. The conductor fills a remaining space of the via.Type: GrantFiled: September 15, 2021Date of Patent: April 9, 2024Assignee: MACRONIX INTERNATIONAL CO., LTD.Inventors: Cheng-Hsien Lu, Yun-Yuan Wang, Dai-Ying Lee
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Publication number: 20240096996Abstract: A semiconductor device includes a first dielectric layer, a stack of semiconductor layers disposed over the first dielectric layer, a gate structure wrapping around each of the semiconductor layers and extending lengthwise along a direction, and a dielectric fin structure and an isolation structure disposed on opposite sides of the stack of semiconductor layers and embedded in the gate structure. The dielectric fin structure has a first width along the direction smaller than a second width of the isolation structure along the direction. The isolation structure includes a second dielectric layer extending through the gate structure and the first dielectric layer, and a third dielectric layer extending through the first dielectric layer and disposed on a bottom surface of the gate structure and a sidewall of the first dielectric layer.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Huan-Chieh Su, Chun-Yuan Chen, Li-Zhen Yu, Lo-Heng Chang, Cheng-Chi Chuang, Kuan-Lun Cheng, Chih-Hao Wang
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Patent number: 11728364Abstract: A method includes forming image sensors in a semiconductor substrate, thinning the semiconductor substrate from a backside of the semiconductor substrate, forming a dielectric layer on the backside of the semiconductor substrate, and forming a polymer grid on the backside of the semiconductor substrate. The polymer grid has a first refractivity value. The method further includes forming color filters in the polymer grid, wherein the color filters has a second refractivity value higher than the first refractivity value, and forming micro-lenses on the color filters.Type: GrantFiled: August 11, 2020Date of Patent: August 15, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Kun-Huei Lin, Yun-Wei Cheng, Chun-Hao Chou, Kuo-Cheng Lee, Cheng Yuan Wang
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Publication number: 20220384509Abstract: A method includes forming image sensors in a semiconductor substrate, thinning the semiconductor substrate from a backside of the semiconductor substrate, forming a dielectric layer on the backside of the semiconductor substrate, and forming a polymer grid on the backside of the semiconductor substrate. The polymer grid has a first refractivity value. The method further includes forming color filters in the polymer grid, wherein the color filters has a second refractivity value higher than the first refractivity value, and forming micro-lenses on the color filters.Type: ApplicationFiled: August 9, 2022Publication date: December 1, 2022Inventors: Kun-Huei Lin, Yun-Wei Cheng, Chun-Hao Chou, Kuo-Cheng Lee, Cheng Yuan Wang
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Publication number: 20220052096Abstract: A method includes forming image sensors in a semiconductor substrate, thinning the semiconductor substrate from a backside of the semiconductor substrate, forming a dielectric layer on the backside of the semiconductor substrate, and forming a polymer grid on the backside of the semiconductor substrate. The polymer grid has a first refractivity value. The method further includes forming color filters in the polymer grid, wherein the color filters has a second refractivity value higher than the first refractivity value, and forming micro-lenses on the color filters.Type: ApplicationFiled: August 11, 2020Publication date: February 17, 2022Inventors: Kun-Huei Lin, Yun-Wei Cheng, Chun-Hao Chou, Kuo-Cheng Lee, Cheng Yuan Wang
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Patent number: 10061898Abstract: An avatar-based charting method for assisted diagnosis to improve the efficiency of medical practice. Through an anthropomorphic symptom record interface, the first page is the Genetic-Psycho-Social-Bio (GPSB) which assists in understanding the genetic, psychological, social-environmental, and biological characteristics of patients. A Subjective-Objective-Assessment-Plan (SOAP) diagnosis page aids in doctor diagnosis. A decision support diagnostic summary interface automatically generates the diagnosis summary and notifies of any unusual circumstances. Finally, a medical records module saves all information into a medical database in order to provide health care for subsequent tracking and evaluation.Type: GrantFiled: September 5, 2014Date of Patent: August 28, 2018Assignee: KAOHSIUNG MEDICAL UNIVERSITYInventors: Cheng-Yuan Wang, Ying-Fong Huang, Jer-Chia Tsai, Jer-Min Tsai, Yu-Hsien Chiu, I-Te Chen
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Publication number: 20170052899Abstract: A buffer cache device used to get at least one data from at least one application is provided, wherein the buffer cache device includes a first-level cache memory, a second-level cache memory and a controller. The first-level cache memory is used to receive and store the data. The second-level cache memory has a memory cell architecture different from that of the first-level cache memory. The controller is used to write the data stored in the first-level cache memory into the second-level cache memory.Type: ApplicationFiled: August 18, 2015Publication date: February 23, 2017Inventors: Ye-Jyun Lin, Hsiang-Pang Li, Cheng-Yuan Wang, Chia-Lin Yang
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Patent number: 9558108Abstract: A method for managing block erase operations is provided for an array of memory cells including erasable blocks of memory cells in the array. The method comprises maintaining status data for a plurality of sub-blocks of the erasable blocks of the array. The status data indicate whether the sub-blocks are currently accessible and whether the sub-blocks are invalid. The method comprises, in response to a request to erase a selected sub-block of a particular erasable block, issuing an erase command to erase the particular block if the other sub-blocks of the particular erasable block are invalid, else updating the status data to indicate that the selected sub-block is invalid.Type: GrantFiled: September 4, 2013Date of Patent: January 31, 2017Assignee: MACRONIX INTERNATIONAL CO., LTD.Inventors: Yu-Ming Chang, Yung-Chun Li, Hsing-Chen Lu, Hsiang-Pang Li, Cheng-Yuan Wang, Yuan-Hao Chang, Tei-Wei Kuo
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Patent number: 9547586Abstract: A method is provided for managing a file system including data objects. The data objects, indirect pointers and source pointers are stored in containers that have addresses and include addressable units of a memory. The objects are mapped to addresses for corresponding containers. The indirect pointer in a particular container points to the address of a container in which the corresponding object is stored. The source pointer in the particular container points to the address of the container to which the object in the particular container is mapped. An object in a first container is moved to a second container. The source pointer in the first container is used to find a third container to which the object is mapped. The indirect pointer in the third container is updated to point to the second container. The source pointer in the second container is updated to point to the third container.Type: GrantFiled: July 11, 2013Date of Patent: January 17, 2017Assignee: Macronix International Co., Ltd.Inventors: Hung-Sheng Chang, Cheng-Yuan Wang, Hsiang-Pang Li, Yuan-Hao Chang, Pi-Cheng Hsiu, Tei-Wei Kuo
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Patent number: 9517019Abstract: There is provided a physiological measurement device including a light source, an image sensor and a processor. The light source illuminates a skin surface with a first brightness value and a second brightness value. The image sensor receives scattered light from tissues below the skin surface, and outputs a first image frame corresponding to the first brightness value and a second image frame corresponding to the second brightness value. The processor calculates an intensity comparison index between the first image frame and the second image frame, calculates perfusion data according to the first image frame and/or the second image frame, and identifies a contact status according to the intensity comparison index.Type: GrantFiled: May 2, 2016Date of Patent: December 13, 2016Assignee: PIXART IMAGING INC.Inventors: Robert Cheng-Yuan Wang, Hsin-Chia Chen
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Patent number: 9501396Abstract: A method for managing utilization of a memory including a physical address space comprises mapping logical addresses of data objects to locations within the physical address space, and defining a plurality of address segments in the space as an active window. The method comprises allowing writes of data objects having logical addresses mapped to locations within the plurality of address segments in the active window. The method comprises, upon detection of a request to write a data object having a logical address mapped to a location outside the active window, updating the mapping so that the logical address maps to a selected location within the active window, and then allowing the write to the selected location. The method comprises maintaining access data indicating utilization of the plurality of address segments in the active window, and adding and removing address segments from the active window in response to the access data.Type: GrantFiled: August 16, 2013Date of Patent: November 22, 2016Assignee: MACRONIX INTERNATIONAL CO., LTD.Inventors: Hung-Sheng Chang, Cheng-Yuan Wang, Hsiang-Pang Li, Yuan-Hao Chang, Pi-Cheng Hsiu, Tei-Wei Kuo
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Publication number: 20160242657Abstract: There is provided a physiological measurement device including a light source, an image sensor and a processor. The light source illuminates a skin surface with a first brightness value and a second brightness value. The image sensor receives scattered light from tissues below the skin surface, and outputs a first image frame corresponding to the first brightness value and a second image frame corresponding to the second brightness value. The processor calculates an intensity comparison index between the first image frame and the second image frame, calculates perfusion data according to the first image frame and/or the second image frame, and identifies a contact status according to the intensity comparison index.Type: ApplicationFiled: May 2, 2016Publication date: August 25, 2016Inventors: Robert Cheng-Yuan WANG, Hsin-Chia CHEN
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Patent number: 9251056Abstract: A method for memory management is provided for a memory including a plurality of pages. The method comprises assigning in-use pages to in-use buckets according to use counts. The in-use buckets include a low in-use bucket for a lowest range of use counts, and a high in-use bucket for a highest range of use counts. The method comprises assigning free pages to free buckets according to use counts. The free buckets include a low free bucket for a lowest range of use counts, and a high free bucket for a highest range of use counts. The method maintains use counts for in-use pages. On a triggering event for a current in-use page, the method determines whether the use count of the current in-use page exceeds a hot swap threshold, and if so moves data in the current in-use page to a lead page in the low free bucket.Type: GrantFiled: October 5, 2012Date of Patent: February 2, 2016Assignee: Macronix International Co., Ltd.Inventors: Po-Chao Fang, Cheng-Yuan Wang, Hsiang-Pang Li, Chi-Hao Chen, Pi-Cheng Hsiu, Tei-Wei Kuo
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Patent number: 9171616Abstract: A method for operating a memory includes receiving a command to program a data value at a memory cell, and an indication of which write mode in a plurality of write modes to use. Write modes in the plurality are characterized by different sets of resistance ranges that correspond to data values stored in the memory cell. The method includes executing a program operation according to the indicated one in the plurality of write modes to program the data value in the memory cell. The plurality of write modes includes a first write mode and a second write mode corresponding to shorter data retention than the first write mode. The first and second write modes are characterized by first and second sets of resistance ranges in the different sets of resistance ranges. The method includes periodically refreshing data values in memory cells storing data in the second write mode.Type: GrantFiled: January 27, 2014Date of Patent: October 27, 2015Assignee: Macronix International Co., Ltd.Inventors: Ren-Shuo Liu, De-Yu Shen, Chia-Lin Yang, Ye-Jyun Lin, Cheng-Yuan Wang
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Publication number: 20150261925Abstract: An avatar-based charting method for assisted diagnosis to improve the efficiency of medical practice. Through an anthropomorphic symptom record interface, the first page is the Genetic-Psycho-Social-Bio (GPSB) which assists in understanding the genetic, psychological, social-environmental, and biological characteristics of patients. A Subjective-Objective-Assessment-Plan (SOAP) diagnosis page aids in doctor diagnosis. A decision support diagnostic summary interface automatically generates the diagnosis summary and notifies of any unusual circumstances. Finally, a medical records module saves all information into a medical database in order to provide health care for subsequent tracking and evaluation.Type: ApplicationFiled: September 5, 2014Publication date: September 17, 2015Inventors: Cheng-Yuan Wang, Ying-Fong Huang, Jer-Chia Tsai, Jer-Min Tsai, Yu-Hsien Chiu, I-Te Chen
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Patent number: 9025375Abstract: Technology is described that supports reduced program disturb of nonvolatile memory. A three/two dimensional NAND array includes a plurality of pages, which are divided into a plurality of page groups. Access is allowed to memory cells within a first page group of a plurality of page groups in an erase block of the three dimensional NAND array, while access is minimized to memory cells within a second page group of the plurality of page groups in the erase block of the three/two dimensional NAND array. Pages in the same page group are physically nonadjacent with each other in the three/two dimensional NAND array.Type: GrantFiled: October 22, 2013Date of Patent: May 5, 2015Assignee: Macronix International Co., Ltd.Inventors: Yu-Ming Chang, Yung-Chun Li, Hsing-Chen Lu, Hsiang-Pang Li, Cheng-Yuan Wang, Yuan-Hao Chang, Tei-Wei Kuo