Patents by Inventor Po-Han Wu
Po-Han Wu 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: 20250071726Abstract: Systems and methods are provided for determining that the device is not reporting precise location information, based on output from one or more sensors determining that the device is located indoors and determining the altitude of the device. Based on the determination that the device is located indoors, suspending precise location services until it is determined that the device is back outdoors.Type: ApplicationFiled: August 23, 2023Publication date: February 27, 2025Inventors: Antoine TRAN, Po-Han Wu, Doug Francis Kiely, Jie Hui
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Publication number: 20250071515Abstract: Systems and methods are provided for determining that the device is not reporting precise location information, based on output from one or more sensors determining that the device is located indoors and determining the altitude of the device. Based on the determination that the device is located indoors, suspending precise location services until it is determined that the device is back outdoors.Type: ApplicationFiled: August 23, 2023Publication date: February 27, 2025Inventors: Antoine TRAN, Po-Han Wu, Doug Francis Kiely, Jie Hui
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Publication number: 20250060447Abstract: Systems and methods are provided for determining that the device is not reporting precise location information, based on output from one or more sensors determining that the device is located indoors and determining the altitude of the device. Based on the determination that the device is located indoors, suspending precise location services until it is determined that the device is back outdoors.Type: ApplicationFiled: August 17, 2023Publication date: February 20, 2025Inventors: Antoine TRAN, Po-Han Wu, Doug Francis Kiely, Jie Hui
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Publication number: 20250022854Abstract: Provide a micro-light-emitting package includes a first substrate, a plurality of micro-light-emitting diodes (micro-LEDs), a transparent protective layer, and a plurality of conductive pads. The first substrate has an upper surface and a lower surface opposite to each other. The micro-LEDs are disposed on the upper surface of the first substrate. The micro-LEDs have a first electrode and a second electrode electrically opposite to the first electrode. The transparent protective layer covers the micro-LEDs. The plurality of conductive pads are disposed on the lower surface of the first substrate. The conductive pads include a first conductive pad, a second conductive pad, a third conductive pad, and a fourth conductive pad. The first conductive pad, the second conductive pad, the third conductive pad respectively electrically connected to the corresponding first electrode of the micro-LEDs. The fourth conductive pad is commonly electrically connected to the second electrode of the plurality of micro-LEDs.Type: ApplicationFiled: June 18, 2024Publication date: January 16, 2025Inventors: Chih-Hao LIN, Po-Han WU, Tsung-Hao SU, Wei-Yuan MA
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Publication number: 20240428358Abstract: A school admission prediction system and method are provided. The system includes a user interface for receiving personal data from an applicant, including academic and activity data. A data acquisition module connected to the user interface acquires this personal data. A data preprocessing module connected to the data acquisition module preprocesses the academic and activity data. An attribute selection module connected to the data preprocessing module extracts multiple attributes from the preprocessed data. A machine learning model generates an evaluation report based on the extracted attributes. This report includes a prediction of whether the applicant will be admitted to the school. The system also includes a loss calculation module for evaluating the performance of the machine learning model and optimizing its parameters based on the evaluation results. The method and system provide a reliable and efficient way to predict school admissions, helping applicants to better prepare their applications.Type: ApplicationFiled: August 30, 2023Publication date: December 26, 2024Applicant: Direction EdTech INC.Inventors: Chih-Hsien Hsia, Po-Han Wu, Liang-Ying Ke, Pai-Pei Szeto, An-Ting Hsiao
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Patent number: 11991875Abstract: A semiconductor memory structure includes a substrate, a bit line disposed on the substrate, a dielectric liner disposed on a side of the bit line, and a capacitor contact and a filler disposed on the substrate. The bit line extends in a first direction. The dielectric liner includes a first nitride liner disposed on a sidewall of the bit line, an oxide liner disposed on a sidewall of the first nitride liner, and a second nitride liner disposed on a sidewall of the oxide liner. In a second direction perpendicular to the first direction, the capacitor contact is spaced apart from the bit line by the first nitride liner, the oxide liner, and the second nitride liner, and the width of the filler is greater than the width of the capacitor contact. A method for forming the semiconductor memory structure is also provided.Type: GrantFiled: September 1, 2021Date of Patent: May 21, 2024Assignee: WINBOND ELECTRONICS CORP.Inventors: Chien-Ming Lu, Po-Han Wu
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Patent number: 11770924Abstract: A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.Type: GrantFiled: February 6, 2023Date of Patent: September 26, 2023Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Luo-Hsin Lee, Ting-Pang Chung, Shih-Han Hung, Po-Han Wu, Shu-Yen Chan, Shih-Fang Tzou
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Patent number: 11683926Abstract: A method includes forming a stack of material layers to cover an array region and a periphery region of a substrate. A first patterned mask layer is formed, and the pattern of the first patterned mask layer is transferred to the stack of material layers, thereby forming a first array pattern and a first periphery pattern respectively in the array and periphery regions. A second patterned mask layer is provided above the first array and periphery patterns. The pattern of the second patterned mask is not aligned with the pattern of the first patterned mask. The pattern of the second patterned mask layer is transferred to form the first and second sacrificial patterns respectively in the array and periphery regions. The first array pattern, the first and second sacrificial patterns, and the first periphery pattern are simultaneously transferred to form a second array pattern and a second periphery pattern.Type: GrantFiled: September 15, 2021Date of Patent: June 20, 2023Assignee: WINBOND ELECTRONICS CORP.Inventors: Po-Han Wu, Pai-Chun Tsai, Tzu-Ming Ou Yang, Shu-Ming Lee
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Publication number: 20230189498Abstract: A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.Type: ApplicationFiled: February 6, 2023Publication date: June 15, 2023Applicants: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Luo-Hsin Lee, Ting-Pang Chung, Shih-Han Hung, Po-Han Wu, Shu-Yen Chan, Shih-Fang Tzou
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Patent number: 11631679Abstract: A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.Type: GrantFiled: May 10, 2022Date of Patent: April 18, 2023Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Luo-Hsin Lee, Ting-Pang Chung, Shih-Han Hung, Po-Han Wu, Shu-Yen Chan, Shih-Fang Tzou
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Publication number: 20230078443Abstract: A method includes forming a stack of material layers to cover an array region and a periphery region of a substrate. A first patterned mask layer is formed, and the pattern of the first patterned mask layer is transferred to the stack of material layers, thereby forming a first array pattern and a first periphery pattern respectively in the array and periphery regions. A second patterned mask layer is provided above the first array and periphery patterns. The pattern of the second patterned mask is not aligned with the pattern of the first patterned mask. The pattern of the second patterned mask layer is transferred to form the first and second sacrificial patterns respectively in the array and periphery regions. The first array pattern, the first and second sacrificial patterns, and the first periphery pattern are simultaneously transferred to form a second array pattern and a second periphery pattern.Type: ApplicationFiled: September 15, 2021Publication date: March 16, 2023Inventors: Po-Han WU, Pai-Chun TSAI, Tzu-Ming OU YANG, Shu-Ming LEE
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Publication number: 20230067536Abstract: A semiconductor memory structure includes a substrate, a bit line disposed on the substrate, a dielectric liner disposed on a side of the bit line, and a capacitor contact and a filler disposed on the substrate. The bit line extends in a first direction. The dielectric liner includes a first nitride liner disposed on a sidewall of the bit line, an oxide liner disposed on a sidewall of the first nitride liner, and a second nitride liner disposed on a sidewall of the oxide liner. In a second direction perpendicular to the first direction, the capacitor contact is spaced apart from the bit line by the first nitride liner, the oxide liner, and the second nitride liner, and the width of the filler is greater than the width of the capacitor contact. A method for forming the semiconductor memory structure is also provided.Type: ApplicationFiled: September 1, 2021Publication date: March 2, 2023Inventors: Chien-Ming LU, Po-Han WU
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Publication number: 20220405920Abstract: A portable medical education device, medical education platform, and medical education methods are disclosed. The medical education portable device enables a camera to capture a specific picture to generate an image, extracts several features from the image, converts the features into an identification code, and transmits the identification code to the medical education platform. The medical education platform stores several three-dimensional medical models and finds a specific three-dimensional medical model from the three-dimensional medical models according to the identification code, wherein the preset code corresponding to the specific three-dimensional medical model is the same as the identification code.Type: ApplicationFiled: March 28, 2022Publication date: December 22, 2022Inventors: Ding-Han WANG, Chun-Yen LU, Ming-Lun HSU, Yi-Chen HSU, Ngoc Trang TRAN THI, Juin-Hong CHERNG, Po-Han WU, Chia-Yu LIN
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Publication number: 20220271037Abstract: A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.Type: ApplicationFiled: May 10, 2022Publication date: August 25, 2022Applicants: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Luo-Hsin Lee, Ting-Pang Chung, Shih-Han Hung, Po-Han Wu, Shu-Yen Chan, Shih-Fang Tzou
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Patent number: 11393826Abstract: A method of forming a semiconductor device includes the following steps. First of all, a substrate is provided, and a dielectric layer is formed on the substrate. Then, at least one trench is formed in the dielectric layer, to partially expose a top surface of the substrate. The trench includes a discontinuous sidewall having a turning portion. Next, a first deposition process is performed, to deposit a first semiconductor layer to fill up the trench and to further cover on the top surface of the dielectric layer. Following these, the first semiconductor layer is laterally etched, to partially remove the first semiconductor layer till exposing the turning portion of the trench. Finally, a second deposition is performed, to deposit a second semiconductor layer to fill up the trench.Type: GrantFiled: October 31, 2018Date of Patent: July 19, 2022Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Luo-Hsin Lee, Ting-Pang Chung, Shih-Han Hung, Po-Han Wu, Shu-Yen Chan, Shih-Fang Tzou
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Patent number: 11233057Abstract: A semiconductor structure includes an active area in a substrate, a device isolation region surrounding the active area, first and second bit line structures on the substrate, a conductive diffusion region in the active area between the first and the second bit line structures, and a contact hole between the first and the second bit line structures. The contact hole partially exposes the conductive diffusion region. A buried plug layer is disposed in the contact hole and in direct contact with the conductive diffusion region. A storage node contact layer is disposed on the buried plug layer within the contact hole. The storage node contact layer has a downwardly protruding portion surrounded by the buried plug layer. The buried plug layer has a U-shaped cross-sectional profile.Type: GrantFiled: December 2, 2019Date of Patent: January 25, 2022Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Po-Han Wu, Li-Wei Feng, Shih-Han Hung, Fu-Che Lee, Chien-Cheng Tsai
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Patent number: 10777559Abstract: A semiconductor memory device includes a semiconductor substrate, bit line structures, storage node contacts, isolation structures, a first spacer, a second spacer, and a third spacer. Each bit line structure is elongated in a first direction. The bit line structures are repeatedly arranged in a second direction. Each storage node contact and each isolation structure are disposed between two adjacent bit line structures. The first spacer is partly disposed between each isolation structure and the bit line structure adjacent to the isolation structure and partly disposed between each storage node contact and the bit line structure adjacent to the storage node contact. The second spacer is disposed between each storage node contact and the first spacer. The third spacer is disposed between each storage node contact and the second spacer. A thickness of the third spacer is less than a thickness of the second spacer in the second direction.Type: GrantFiled: March 22, 2019Date of Patent: September 15, 2020Assignee: UNITED MICROELECTRONICS CORP.Inventors: Po-Han Wu, Feng-Yi Chang, Fu-Che Lee, Wen-Chieh Lu
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Publication number: 20200273862Abstract: A semiconductor memory device includes a semiconductor substrate, bit line structures, storage node contacts, isolation structures, a first spacer, a second spacer, and a third spacer. Each bit line structure is elongated in a first direction. The bit line structures are repeatedly arranged in a second direction. Each storage node contact and each isolation structure are disposed between two adjacent bit line structures. The first spacer is partly disposed between each isolation structure and the bit line structure adjacent to the isolation structure and partly disposed between each storage node contact and the bit line structure adjacent to the storage node contact. The second spacer is disposed between each storage node contact and the first spacer. The third spacer is disposed between each storage node contact and the second spacer. A thickness of the third spacer is less than a thickness of the second spacer in the second direction.Type: ApplicationFiled: March 22, 2019Publication date: August 27, 2020Inventors: Po-Han Wu, Feng-Yi Chang, Fu-Che Lee, Wen-Chieh Lu
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Publication number: 20200105763Abstract: A semiconductor structure includes an active area in a substrate, a device isolation region surrounding the active area, first and second bit line structures on the substrate, a conductive diffusion region in the active area between the first and the second bit line structures, and a contact hole between the first and the second bit line structures. The contact hole partially exposes the conductive diffusion region. A buried plug layer is disposed in the contact hole and in direct contact with the conductive diffusion region. A storage node contact layer is disposed on the buried plug layer within the contact hole. The storage node contact layer has a downwardly protruding portion surrounded by the buried plug layer. The buried plug layer has a U-shaped cross-sectional profile.Type: ApplicationFiled: December 2, 2019Publication date: April 2, 2020Inventors: Po-Han Wu, Li-Wei Feng, Shih-Han Hung, Fu-Che Lee, Chien-Cheng Tsai
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Patent number: 10529719Abstract: A semiconductor structure includes an active area in a substrate, a device isolation region surrounding the active area, first and second bit line structures on the substrate, a conductive diffusion region in the active area between the first and the second bit line structures, and a contact hole between the first and the second bit line structures. The contact hole partially exposes the conductive diffusion region. A buried plug layer is disposed in the contact hole and in direct contact with the conductive diffusion region. A storage node contact layer is disposed on the buried plug layer within the contact hole. The storage node contact layer has a downwardly protruding portion surrounded by the buried plug layer. The buried plug layer has a U-shaped cross-sectional profile.Type: GrantFiled: April 24, 2018Date of Patent: January 7, 2020Assignees: UNITED MICROELECTRONICS CORP., Fujian Jinhua Integrated Circuit Co., Ltd.Inventors: Po-Han Wu, Li-Wei Feng, Shih-Han Hung, Fu-Che Lee, Chien-Cheng Tsai