Patents by Inventor Po-Han Chen
Po-Han 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: 20240243047Abstract: A semiconductor package includes a semiconductor component, a package body, a first RDL structure and an insulation layer. The package body surrounds the semiconductor component and has a first package surface. The first RDL structure is formed on the first package surface of the package body. The insulation layer is formed on the first RDL structure and includes an insulation body, a plurality of recessed portions and a plurality of voids, wherein the insulation body has a first insulation surface, the recessed portions are recessed with respect to the first insulation surface and form a pattern, and the voids are embedded in the insulation body.Type: ApplicationFiled: January 17, 2023Publication date: July 18, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hung-Chun Cho, Wei-Chih Chen, Po-Han Wang, Yu-Hsiang Hu, HUNG-JUI KUO
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Publication number: 20240049418Abstract: A chassis includes a housing, a first bearing seat, a second bearing seat, and a connecting partition plate. The housing has an accommodating space. The first bearing seat is movably disposed in the accommodating space. The second bearing seat is movably disposed in the accommodating space and is adjacent to the first bearing seat. The connecting partition plate is disposed between the first bearing seat and the second bearing seat to fixedly connect the first bearing seat and the second bearing seat. The first bearing seat and the second bearing seat are adapted to synchronously move relative to the housing to be accommodated in the accommodating space or extend outside the accommodating space.Type: ApplicationFiled: May 26, 2023Publication date: February 8, 2024Applicant: PEGATRON CORPORATIONInventor: Po-Han Chen
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Publication number: 20240005159Abstract: A simplification device and a simplification method for neural network model are provided. The simplification method may simplify an original trained neural network model to a simplified trained neural network model, wherein the simplified trained neural network model includes at most two linear operation layers. The simplification method includes: converting the original trained neural network model into an original mathematical function; performing an iterative analysis operation on the original mathematical function to simplify the original mathematical function to a simplified mathematical function, wherein the simplified mathematical function has a new weight; computing the new weight by using multiple original weights of the original trained neural network model; and converting the simplified mathematical function to the simplified trained neural network model.Type: ApplicationFiled: August 22, 2022Publication date: January 4, 2024Applicant: NEUCHIPS CORPORATIONInventors: Po-Han Chen, Yi Lee, Kai-Chiang Wu, Youn-Long Lin, Juinn-Dar Huang
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Publication number: 20230299104Abstract: A method of making an image sensor includes depositing a shield layer over a substrate, wherein the substrate comprises a first photodiode (PD) and a second PD. The method further includes etching the shield layer to define a first recess aligned with the first PD and a second recess aligned with the second PD. The method further includes depositing a flicker reduction layer in the first recess and in the second recess. The method further includes etching the flicker reduction layer to remove the flicker reduction layer from the first recess.Type: ApplicationFiled: May 17, 2023Publication date: September 21, 2023Inventors: Po-Han CHEN, Chen-Chun CHEN, Fu-Cheng CHANG, Kuo-Cheng LEE
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Patent number: 11757432Abstract: A device of correcting duty cycle includes: a duty cycle correcting circuit, a controller of the duty cycle correcting circuit and a duty cycle detecting circuit. The duty cycle correcting circuit generates a pair of phase-shifting clocks in accordance with a pair of complementary clocks and regenerates a regenerated clock in accordance with the pair of phase-shifting clocks. The controller of the duty cycle correcting circuit couples to the duty cycle correcting circuit. The duty cycle detecting circuit couples to the duty cycle correcting circuit and the controller of the duty cycle correcting circuit, and generates a detecting output to the controller of the duty cycle correcting circuit in accordance with a current duty cycle of the regenerated clock. The controller of the duty cycle correcting circuit controls the duty cycle correcting circuit in accordance with the detecting output to adjust the pair of phase-shifting clocks.Type: GrantFiled: March 17, 2022Date of Patent: September 12, 2023Assignee: AP Memory Technology (Hangzhou) Limited CoInventors: Xuan Zhang, Po Han Chen, Keng Lone Wong, Alessandro Minzoni
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Publication number: 20230207594Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: ApplicationFiled: February 13, 2023Publication date: June 29, 2023Inventors: Po-Han CHEN, Kuo-Cheng LEE, Fu-Cheng CHANG
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Patent number: 11676980Abstract: An image sensor includes a substrate and a first photodiode (PD) having a first size in the substrate. The image sensor further includes a second PD having a second size in the substrate, wherein the first size is different from the second size. The image sensor further includes a first buffer layer over the substrate. The image sensor further includes a shield layer over the first buffer, wherein the first buffer layer and the shield layer define a first recess aligned with the first PD and a second recess aligned with the second PD. The image sensor further includes a flicker reduction layer in the first recess, wherein the second recess is free of the flicker reduction layer.Type: GrantFiled: October 7, 2019Date of Patent: June 13, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Po-Han Chen, Chen-Chun Chen, Fu-Cheng Chang, Kuo-Cheng Lee
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Publication number: 20230152867Abstract: An electronic apparatus includes a chassis, a keyboard device, a frame including partition walls, and a fan device. At least part of the partition walls has a bottom edge surface notched to form an air flow path between the notched bottom edge surface and a top surface of the plate-shaped member, to have a communicating path through which adjacent key arrangement holes communicate. A height of the communicating path in a region not overlapping with the fan device is lower than a height of the communicating path in a region overlapping with the fan device, in a plan view of the chassis.Type: ApplicationFiled: September 21, 2022Publication date: May 18, 2023Applicant: LENOVO (SINGAPORE) PTE. LTD.Inventors: Masahiro Kitamura, Junki Hashiba, Po Han Chen, Satoshi Douzono
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Publication number: 20230074209Abstract: A method for providing drug recommendation includes: calculating a plurality of relative cell viabilities respectively corresponding to a plurality of candidate drugs based on viable cell counts of a patient's circulating tumor cell (CTC)-derived organoid cultures and viable cell counts of the CTC-derived organoid cultures respectively reacted with the candidate drugs; and providing drug recommendation of the candidate drugs based on the relative cell viabilities. A device for providing drug recommendation is also provided.Type: ApplicationFiled: October 15, 2021Publication date: March 9, 2023Inventors: Po-Han CHEN, Shih-Pei Wu, Yi-Hsuan Chen
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Publication number: 20230046467Abstract: An intelligent energy module of an electrically assisted bicycle includes a battery management system, a controller and a motor. The battery management system includes a battery and an analog front end. The analog front end is electrically connected to the battery assembly. The controller includes a micro controller unit and a driver. The micro controller unit is electrically connected to the analog front end. The driver electrically connected to the micro controller unit. The motor is electrically connected to the driver and controlled by the driver. The battery assembly, the analog front end, the micro controller unit and the driver are disposed on a same circuit board.Type: ApplicationFiled: October 7, 2021Publication date: February 16, 2023Inventor: Po-Han CHEN
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Patent number: 11581349Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: GrantFiled: December 16, 2019Date of Patent: February 14, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Po-Han Chen, Kuo-Cheng Lee, Fu-Cheng Chang
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Publication number: 20220403328Abstract: A composite material film for expanding circulating tumor cells ex vivo and a preparation method thereof, a kit and a method for expanding circulating tumor cells ex vivo, a method for detecting an effect of a drug, and a cryopreservation solution are provided. The preparation method includes: mixing one or more kinds of particles and a solvent to form a mixed liquid, in which the particles are selected from the group consisting of metal particles, metal oxide particles, silicon oxide particles and combinations thereof; placing the mixed liquid on a substrate to form a particle layer; adding a medium material to the particle layer, in which the medium material is selected from the group consisting of styrene and its derivatives, polyester monomers, silicon oxide compounds and combinations thereof; and polymerizing the medium material to form a medium layer to fix the particle layer on the substrate.Type: ApplicationFiled: November 5, 2020Publication date: December 22, 2022Inventors: Po-Han Chen, Wei-Hsin Hsu, Shih-Pei Wu
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Publication number: 20220352230Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photo sensors.Type: ApplicationFiled: July 18, 2022Publication date: November 3, 2022Inventors: Po-Han CHEN, Kuo-Cheng Lee, Fu-Cheng Chang
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Publication number: 20220302905Abstract: A device of correcting duty cycle includes: a duty cycle correcting circuit, a controller of the duty cycle correcting circuit and a duty cycle detecting circuit. The duty cycle correcting circuit generates a pair of phase-shifting clocks in accordance with a pair of complementary clocks and regenerates a regenerated clock in accordance with the pair of phase-shifting clocks. The controller of the duty cycle correcting circuit couples to the duty cycle correcting circuit. The duty cycle detecting circuit couples to the duty cycle correcting circuit and the controller of the duty cycle correcting circuit, and generates a detecting output to the controller of the duty cycle correcting circuit in accordance with a current duty cycle of the regenerated clock. The controller of the duty cycle correcting circuit controls the duty cycle correcting circuit in accordance with the detecting output to adjust the pair of phase-shifting clocks.Type: ApplicationFiled: March 17, 2022Publication date: September 22, 2022Applicant: AP Memory Technology (Hangzhou) Limited CoInventors: Xuan ZHANG, Po Han CHEN, Keng Lone WONG, Alessandro MINZONI
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Publication number: 20210333180Abstract: An automatic processing device for liquid samples includes a sample region, a control module, an image identification device and a centrifuge. The sample region is configured to accommodate a plurality of centrifuge tubes. The control module includes a mechanical module. The mechanical module is configured to unscrew or tighten upper caps of the centrifuge tubes, and is configured to draw liquid from the centrifuge tubes or discharge liquid to the centrifuge tubes. The image identification device is coupled to the control module. The centrifuge is coupled to the control module. The centrifuge is configured to accommodate the centrifuge tubes and perform centrifugal treatment.Type: ApplicationFiled: April 21, 2021Publication date: October 28, 2021Inventors: Po-Han Chen, Shih-Pei Wu, Yi-Hsuan Chen, CHUNG-I CHEN, CHUN-CHIEH CHIANG, CHI-MING LEE
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Patent number: 11105763Abstract: A method includes steps of: applying a first voltage signal on a blood sample so as to obtain a preliminary value regarding an analyte in the blood sample; applying on the blood sample, a second voltage signal that includes cycles of a pulse and that has a voltage value alternating between high and low levels; measuring a physical quantity resulting from application of the second voltage signal on the blood sample at a time point in one of the cycles of the pulse of the second voltage signal so as to generate a calibration value; and calibrating the preliminary value based on the calibration value so as to obtain a calibrated value of the analyte in the blood sample which serves as a result of measurement of the analyte.Type: GrantFiled: November 21, 2018Date of Patent: August 31, 2021Assignee: HEALTH & LIFE CO., LTD.Inventors: Meng-Yi Lin, Po-Han Chen, Pei-Chen Chang
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Publication number: 20210183935Abstract: Photosensors may be formed on a front side of a semiconductor substrate. An optical refraction layer having a first refractive index may be formed on a backside of the semiconductor substrate. A grid structure including openings is formed over the optical refraction layer. A masking material layer is formed over the grid structure and the optical refraction layer. The masking material layer may be anisotropically etched using an anisotropic etch process that collaterally etches a material of the optical refraction layer and forms non-planar distal surface portions including random protrusions on physically exposed portions of the optical refraction layer. An optically transparent layer having a second refractive index that is different from the first refractive index may be formed on the non-planar distal surface portions of the optical refraction layer. A refractive interface refracts incident light in random directions, and improves quantum efficiency of the photosensors.Type: ApplicationFiled: December 16, 2019Publication date: June 17, 2021Inventors: Po-Han CHEN, Kuo-Cheng LEE, Fu-Cheng CHANG
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Patent number: 10726956Abstract: The fever epidemic detection system comprises a detection module, a control module and a communication module. The detection module measures and obtains a body-temperature measured value. The control module comprises a first operation unit, a determination unit and an alert unit. The first operation unit receives and calibrates the body-temperature measured value with a calibration factor, and generates a body-temperature calibrated value. The determination unit receives and determines whether the body-temperature calibrated value is within a preset normal body-temperature range and generates a determination result. The alert unit receives the determination result. The communication module transmits data to an external device. The alert unit generates a first alerting message, if the determination result shows that the body-temperature calibrated value is not within a preset normal body-temperature range.Type: GrantFiled: April 15, 2016Date of Patent: July 28, 2020Assignee: NATIONAL TAIWAN UNIVERSITYInventors: Joe-Air Jiang, Chien-Hao Wang, Ya-An Chan, Lin-Kuei Su, Cheng-Yue Liu, Po-Han Chen, Wei-Sheng Chen, Ching-Ya Tseng
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Publication number: 20200135785Abstract: An image sensor includes a substrate and a first photodiode (PD) having a first size in the substrate. The image sensor further includes a second PD having a second size in the substrate, wherein the first size is different from the second size. The image sensor further includes a first buffer layer over the substrate. The image sensor further includes a shield layer over the first buffer, wherein the first buffer layer and the shield layer define a first recess aligned with the first PD and a second recess aligned with the second PD. The image sensor further includes a flicker reduction layer in the first recess, wherein the second recess is free of the flicker reduction layer.Type: ApplicationFiled: October 7, 2019Publication date: April 30, 2020Inventors: Po-Han CHEN, Chen-Chun CHEN, Fu-Cheng CHANG, Kuo-Cheng LEE
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Publication number: 20200038906Abstract: The present invention provides a polymer-collagen composite film and a method of forming the same. In the method, a surface of a polymer substrate is treated by plasma, and collagen is then grafted to the surface, thereby forming the polymer-collagen composite film. The composite film has good hydrophilicity and biocompatibility.Type: ApplicationFiled: June 26, 2019Publication date: February 6, 2020Inventors: Po-Han Chen, I-Ming Chen, Tung-Liang Chen