Patents by Inventor Cheng Yao
Cheng Yao 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: 20240312369Abstract: A metalens, a metalens set, and a method of image construction or decryption are disclosed. The metalens includes metastructures each having a shape and a height related to a resonant light wavelength of the metastructure, so that the metalens can present an incident light of the resonant light wavelength as a light shape or light pattern at a far-field position matching the resonant light wavelength. A metalens set formed by staking the metalenses vertically can present incident lights having different resonant wavelengths as light shapes, light patterns, or resolved images at far-field positions matching the resonant wavelengths. Image construction or decryption are achieved by combining resolved images of the resonant light wavelengths with non-resolved images of non-resonant light wavelengths so as to compose an overlay image, which is to be decomposed by the metalens or the metalens set so as to recover the resolved images.Type: ApplicationFiled: May 24, 2024Publication date: September 19, 2024Inventors: Vin-Cent Su, Ching-Hsueh Chiu, Yu-Yao Lin, Chi-Feng Chen, Cheng-Eng Jeng
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Publication number: 20240304687Abstract: A semiconductor device and a method of fabricating the semiconductor device are disclosed. The method includes forming a polysilicon structure on a substrate, depositing a first spacer layer on the polysilicon structure, depositing a second spacer layer on the first spacer layer, forming a S/D region on the substrate, removing the second spacer layer, depositing a third spacer layer on the first spacer layer and on the S/D region, depositing an ESL on the third spacer layer, depositing an ILD layer on the etch stop layer, and replacing the polysilicon structure with a gate structure surrounding the nanostructured layer.Type: ApplicationFiled: August 11, 2023Publication date: September 12, 2024Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Chien Ning Yao, Chia-Hao Chang, Shih-Cheng Chen, Chih-Hao Wang, Chia-Cheng Tsai, Kuo-Cheng Chiang, Zhi-Chang Lin, Jung-Hung Chang, Tsung-Han Chuang
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Patent number: 12078016Abstract: A drilling tool having a body, at least one blade extending from the body, and a first cutting element attached to the at least one blade. The first cutting element includes a cutting face at an opposite axial end from a base, a side surface extending from the base to the cutting face, an edge formed at the intersection between the cutting face and the side surface, and an elongated protrusion formed at the cutting face and extending between opposite sides of the edge. The elongated protrusion has a geometry including a border extending around a concave surface, a face chamfer formed around the border, and sloped surfaces extending between the border and the edge. An edge chamfer is between the face chamfer and the edge.Type: GrantFiled: February 13, 2023Date of Patent: September 3, 2024Assignee: SCHLUMBERGER TECHNOLOGY CORPORATIONInventors: Manoj Mahajan, John Daniel Belnap, Xiaoge Gan, Yi Fang, Cheng Peng, Lynn Belnap, Youhe Zhang, Michael George Azar, Venkatesh Karuppiah, Anthony LeBaron, Xian Yao
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Patent number: 12080831Abstract: A light-emitting device includes a semiconductor structure including a first semiconductor layer, a second semiconductor layer on the first semiconductor layer, and an active layer between the first semiconductor layer and the second semiconductor layer, wherein the second semiconductor layer includes a first edge; a reflective structure located on the second semiconductor layer and including an outer edge; a first electrode pad located on the reflective structure, wherein the first electrode pad including an outer side wall adjacent to the outer edge, wherein the outer edge extends beyond the outer side wall and does not exceed the first edge in a cross-sectional view of the light-emitting device.Type: GrantFiled: June 21, 2023Date of Patent: September 3, 2024Assignee: EPISTAR CORPORATIONInventors: Chao-Hsing Chen, Jia-Kuen Wang, Wen-Hung Chuang, Tzu-Yao Tseng, Cheng-Lin Lu
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Publication number: 20240288489Abstract: The present disclosure provides a wafer. The wafer includes a die, a scribe line adjacent to the die, and a test circuit adjacent to the scribe line. The test circuit includes a first switch configured to simultaneously couple a first DUT of a first set of DUTs arranged in a first column and a second DUT of a second set of DUTs arranged in a second column to a signal supply node. The test circuit includes a second switch configured to simultaneously couple the first DUT and the second DUT to a signal receive node. The second switch has a node directly coupled to the first DUT, the second DUT, and the first switch. There is no switch connected between the first DUT and the second DUT.Type: ApplicationFiled: May 6, 2024Publication date: August 29, 2024Inventors: CHIA-WEI HUANG, WEI-JHIH WANG, CHENG-CHENG KUO, YUAN-YAO CHANG
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Publication number: 20240292567Abstract: The present application provides a heat dissipation system and method for electronic devices. The system includes a heat dissipation unit attached to electronic component of an electronic device, a temperature and humidity sensor, a cooling unit and a controller. The controller is configured to obtain the dew point temperature of the space in which the cooling unit is disposed and to determine a coolant flow rate based on the dew point and the coolant temperature. In the event where the difference between the coolant temperature and the dew point is greater than a threshold, the heat dissipation unit receives the coolant under a first flow rate. In the event where the difference between the coolant temperature and the dew point is equal to or less than the threshold, the heat dissipation unit receives the coolant under a second flow rate lower than the first flow rate.Type: ApplicationFiled: January 9, 2024Publication date: August 29, 2024Inventors: FWU-BIN HSU, Jeffrey HOLLAND, Vinod KAMATH, WEN-LUNG WANG, CHENG-YAO CHENG, CHIH-LYNN YEH
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Patent number: 12074204Abstract: A method for forming a semiconductor structure is provided. The method includes forming a fin structure over a substrate. The fin structure includes a protection layer and alternating first and second semiconductor layers over the protection layer. The method also includes etching the fin structure to form a source/drain recess, forming a sacrificial contact in the source/drain recess, forming a source/drain feature over the sacrificial contact in the source/drain recess, removing the first semiconductor layers of the fin structure, thereby forming a plurality of nanostructures, forming a gate stack wrapping around the nanostructures, removing the substrate thereby exposing the protection layer and the sacrificial contact and replacing the sacrificial contact with a contact plug.Type: GrantFiled: July 23, 2021Date of Patent: August 27, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Jung-Hung Chang, Lo Heng Chang, Zhi-Chang Lin, Shih-Cheng Chen, Chien-Ning Yao, Kuo-Cheng Chiang, Chih-Hao Wang
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Patent number: 12065697Abstract: Disclosed herein is a specific B-family DNA polymerase variants that exhibit an improved incorporation of nucleotide analogues for synthesizing polynucleotides and sequencing the associated nucleic acid template. More particularly, the DNA sequencing-by-synthesis method can be efficiently performed by said B-family DNA polymerase variants with a normal nucleic acid template and reversible dye-terminator nucleotides to precisely determine the sequence of associated nucleic acid template.Type: GrantFiled: June 28, 2022Date of Patent: August 20, 2024Inventor: Cheng-Yao Chen
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Patent number: 12068092Abstract: A resistor structure includes a resistor body; and a first electrode structure disposed at and being in electric contact with a first end of the resistor body, and a second electrode structure disposed at and being in electric contact with a second end opposite to the first end of the resistor body. Each of the first electrode structure and the second electrode structure has at least one conductive protrusion. The at least one conductive protrusion of the first electrode structure and the at least one conductive protrusion of the second electrode structure both serve as voltage-sensing terminals for electric connection to an external voltage measurement device, or both serve as current-sensing terminals for electric connection to a current measurement device.Type: GrantFiled: April 8, 2022Date of Patent: August 20, 2024Assignee: CYNTEC CO., LTD.Inventors: Chih Yu Hu, Wen Hao Wu, Chun Cheng Yao
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Patent number: 12051736Abstract: A device includes a substrate, a first nanostructure channel above the substrate and a second nanostructure channel between the first nanostructure channel and the substrate. An inner spacer is between the first nanostructure channel and the second nanostructure channel. A gate structure abuts the first nanostructure channel, the second nanostructure channel and the inner spacer. A liner layer is between the inner spacer and the gate structure.Type: GrantFiled: August 31, 2021Date of Patent: July 30, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Tsung-Han Chuang, Zhi-Chang Lin, Shih-Cheng Chen, Jung-Hung Chang, Chien Ning Yao, Kuo-Cheng Chiang, Chih-Hao Wang
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Publication number: 20240241302Abstract: The present invention relates to a light emitting fabric piece with embedded light source. The light emitting fabric piece comprises lights, cables, optical fiber to conduct light and embedded into fabric, and a controller. The light emitting fabric piece can be part of clothing garments, curtains, wall coverings, furniture coverings, or other fabric applications. The present invention also relates to a device for cutting fiber optic fabric to create dense light points in patterns and a method and assembly to prepare an optical fiber bundle.Type: ApplicationFiled: July 14, 2022Publication date: July 18, 2024Inventors: Can WANG, Xianbo LAI, Cheng YAO
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Publication number: 20240223153Abstract: A surface acoustic wave (SAW) device includes: a substrate; a finger portion of an interdigital transducer (IDT) electrode disposed on the substrate; a pad portion of the interdigital transducer electrode electrically connected to the finger portion; and a wiring electrode disposed on the pad portion. The wiring electrode includes a contact metal layer and an aluminum-based layer. The contact metal layer is disposed between the pad portion and the aluminum-based layer. The contact metal layer includes platinum, palladium, or gold.Type: ApplicationFiled: January 3, 2023Publication date: July 4, 2024Inventors: Cheng-Yao LAI, Chia-Ta CHANG, Meng-Tse HSU, Ya-Chu YANG
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Publication number: 20240192499Abstract: An optical lens group for augmented reality (AR) near-eye display includes a primary lens and an auxiliary lens. An image presented by a microdisplay is enlarged by the optical lens group to form a virtual image which can be observed by an eye of a user. A shape of an outermost surface of the optical lens group can be changed to meet requirements of different diopters. The optical lens group has a primary lens mainly used for image information transmission and image enlargement and an auxiliary lens close to at least one surface of the primary lens. The auxiliary lens is arranged on a lower side or an outer side of the primary lens without propagating any image light signal from a micro image display.Type: ApplicationFiled: December 11, 2023Publication date: June 13, 2024Applicant: Beijing NED+AR Display Technology Co., Ltd.Inventors: CHENG YAO, QIWEI WANG, HE WANG, DANYANG LI, YANG LI
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Patent number: 11966058Abstract: An ultra-thin lens for augmented reality (AR) display includes: a primary lens, an intermediate lens, and a secondary lens. After entering the primary lens, image light undergoes two total reflections, then enters the intermediate lens and is partially reflected, then is directed to a human eye through the intermediate lens and the primary lens. The secondary lens is configured on the other side of the intermediate lens, and environmental light is directed to the human eye through the secondary lens, the intermediate lens, and the primary lens. According to the ultra-thin lens, total reflection and light splitting functions of the image light are realized respectively through the primary lens and the intermediate lens, so that the entire lens has a thin and light profile.Type: GrantFiled: June 27, 2022Date of Patent: April 23, 2024Assignee: Beijing NED+AR Display Technology Co., Ltd.Inventors: Cheng Yao, Yuhao Xiao, Dewen Cheng
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Publication number: 20240119910Abstract: The invention provides an image capture device and an image processing method thereof. The image processing method includes the following steps. First, an image signal source is received by a receiving unit, wherein the image signal source has a plurality of image frames and plurality corresponding image information or plurality of corresponding variable refresh rate (VRR) related information. Next, it is determined whether the image signal source is a VRR signal, and a determination result is generated. A time stamp of each image frame is calculated according to the VRR-related information if the determination result is positive, wherein the time stamps correspond to a dynamic frame interval respectively. Next, the image frames are respectively converted into a corresponding output packet. Finally, the output packets are respectively integrated with their respective time stamps to generate a dynamic frame interval output packet.Type: ApplicationFiled: October 3, 2023Publication date: April 11, 2024Inventors: Yen-Cheng Yao, Chia-Jung Hsiao
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Publication number: 20240105865Abstract: An optoelectronic device includes a first electrode, a second electrode that is spaced apart from the first electrode, an optoelectronic unit that is disposed between the first electrode and the second electrode, an insulating layer and a driving electrode. The optoelectronic unit includes an optoelectronic stack emitting or absorbing at least two wavelengths of light. The insulating layer is disposed on a lateral side of the optoelectronic stack that extends in a stacking direction of the optoelectronic stack. The driving electrode is disposed on the insulating layer at a location corresponding in position to the optoelectronic unit and is separated from the first and second electrodes.Type: ApplicationFiled: April 18, 2023Publication date: March 28, 2024Applicant: National Tsing Hua UniversityInventors: Cheng-Yao LO, Padmanabh Pundrikaksha PANCHAM, Yu-Xin ZENG, Chih-Liang PAN
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Patent number: 11908058Abstract: Methods, systems, and apparatus, including medium-encoded computer program products, for providing editable keyframe-based animation data for applying to a character to animate motion of the character in three-dimensional space. Three-dimensional motion data is constructed from two-dimensional videos. The three-dimensional motion data represents movement of people in the two-dimensional videos and includes, for each person, a root of a three-dimensional skeleton of the person. The three-dimensional skeleton comprises multiple three-dimensional poses of the person during at least a portion of frames of a video from the two-dimensional videos. The three-dimensional motion data is converted into editable keyframe-based animation data in three-dimensional space and provided to animate motion.Type: GrantFiled: February 16, 2022Date of Patent: February 20, 2024Assignee: Autodesk, Inc.Inventors: Fraser Anderson, George William Fitzmaurice, Cheng Yao Wang, Qian Zhou
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Patent number: 11871121Abstract: A video signal conversion method includes: receiving an input signal from a video source; extracting an image metadata from the input signal; determining whether the input signal corresponds to a high dynamic range (HDR) imaging format according to at least one format information of the image metadata and determining whether a video receiver supports the high dynamic range imaging format; in response to the input signal corresponding to the high dynamic range imaging format and the video receiver being not support the high dynamic range imaging format, generating a conversion command; receiving, by a video processor, the conversion command; converting, by the video processor, the input signal into an output signal corresponding to a standard dynamic range (SDR) imaging format according to the conversion command; sending, by the video processor, the output signal to the video receiver; and receiving by the video receiver, the output signal in SDR imaging format.Type: GrantFiled: July 14, 2021Date of Patent: January 9, 2024Assignee: AVerMedia TECHNOLOGIES, INC.Inventors: Wen-Chien Chang, Yen-Cheng Yao
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Publication number: 20230387736Abstract: A motor rotor is provided, comprising: a rotor core, comprising a plurality of metal parts and an inner hole of the rotor, the inner hole of the rotor passing through the rotor core, and the metal parts constituting a rotor metal total area ?Ametal; and a plurality of reluctance parts, disposed surrounding the inner hole of the rotor, each of the reluctance parts comprising at least one flux barrier, at least one of the flux barriers penetrating the rotor core, and the at least one of the flux barriers in each of the reluctance parts constituting a flux barrier total area ?Aair; wherein, the sum of ?Aair and ?Ametal being a rotor effective total area, and the ratio of ?Aair to the rotor effective total area being a flux barrier ratio KA, expressed as KA=?Aair/?Aair+?Ametal, and the flux barrier ratio KA satisfying the following relation: 0.25?KA?0.5.Type: ApplicationFiled: September 26, 2022Publication date: November 30, 2023Inventors: Cheng-Hu Chen, Yu-Cheng Yao, Ruey-Yue Lin
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Publication number: 20230355179Abstract: Photoplethysmogram system and method are designed for monitoring a user's physiological signals. The system includes a PPG device with a light source, a PPG sensor, and at least one verification sensor. The PPG sensor collects light reflected from a user's fingertip after being emitted by the light source, while the verification sensor determines the position of the fingertip and measures the contact pressure of the PPG device to the user's fingertip. Additionally, the system includes an analysis module that is electrically connected to the PPG device, which is responsible for analyzing and processing a plurality of collected data from the device. There is also a display module that is electrically connected to the analysis module, providing a feedback on the PPG device's performance. The analysis module dynamically adjusts the intensity and sampling rate of light emitted by the light source based on the measured contact pressure.Type: ApplicationFiled: May 9, 2023Publication date: November 9, 2023Applicant: PRANAQ PTE. LTD.Inventors: Tzu-Yang Peng, Cheng-Yao Chen, Uei-Ming Jow