Patents by Inventor Po-Wen Wang

Po-Wen 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).

  • Publication number: 20240145511
    Abstract: An image sensor includes a first sensing unit. The first sensing unit includes a pair of photodiodes formed in a substrate and spaced by a deep trench isolation structure, an outer grid over the pair of photodiodes, a color filter filled in the outer grid, and an inner grid disposed in the color filter. The color filter overlaps the pair of photodiodes. The inner grid includes a first spacer, wherein the first spacer is rotated relative to the deep trench isolation structure.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 2, 2024
    Inventors: Jian-Wen LUO, Yu-Chi CHANG, Zong-Ru TU, Po-Hsiang WANG
  • Publication number: 20240134538
    Abstract: A memory operation method, comprising: when a first super block of a memory device is a open block (or in programming state), obtaining a first read count of one of a plurality of first memory blocks in the first super block, wherein the first read count is a number of times that data of one of the first memory blocks is read out; determining whether the first read count is larger than a first threshold; and when the first read count is larger than the first threshold, moving a part of the data in the first super block to a safe area in the memory device, wherein the part of the data comprises data in the first memory block.
    Type: Application
    Filed: June 5, 2023
    Publication date: April 25, 2024
    Inventors: Po-Sheng CHOU, Hsiang-Yu HUANG, Yan-Wen WANG
  • Publication number: 20240097035
    Abstract: Epitaxial source/drain structures for enhancing performance of multigate devices, such as fin-like field-effect transistors (FETs) or gate-all-around (GAA) FETs, and methods of fabricating the epitaxial source/drain structures, are disclosed herein. An exemplary device includes a dielectric substrate. The device further includes a channel layer, a gate disposed over the channel layer, and an epitaxial source/drain structure disposed adjacent to the channel layer. The channel layer, the gate, and the epitaxial source/drain structure are disposed over the dielectric substrate. The epitaxial source/drain structure includes an inner portion having a first dopant concentration and an outer portion having a second dopant concentration that is less than the first dopant concentration. The inner portion physically contacts the dielectric substrate, and the outer portion is disposed between the inner portion and the channel layer. In some embodiments, the outer portion physically contacts the dielectric substrate.
    Type: Application
    Filed: November 29, 2023
    Publication date: March 21, 2024
    Inventors: Chen-Ming Lee, I-Wen Wu, Po-Yu Huang, Fu-Kai Yang, Mei-Yun Wang
  • Publication number: 20240077349
    Abstract: A server includes a chassis, an air duct, a sensing module and a board management controller. The air duct is disposed in the chassis. The sensing module is disposed in the chassis. The sensing module senses whether the air duct is correctly installed. The board management controller is disposed in the chassis and coupled to the sensing module. When the air duct is not correctly installed, the sensing module notifies the board management controller to generate a warning message.
    Type: Application
    Filed: October 3, 2022
    Publication date: March 7, 2024
    Applicant: Wiwynn Corporation
    Inventors: Po-Sheng Su, Ching-Wen Hsiao, Hsien-Yu Wang, Tzu-Shun Wang
  • Patent number: 11918975
    Abstract: Disclosed is a modified carbonaceous material, which includes hexagonal carbon networks in a layered stacking structure and acidic functional groups bonded to the hexagonal carbon networks and mainly existing at edges of the layered carbonaceous structure. Accordingly, the close proximity of acid moiety at the edges can resemble the center of hydrolysis enzymes, resulting in enhancement of hydrolytic efficiency. Additionally, the acid-functionalized carbonaceous material can also be applied in the capture and storage of carbon dioxide due to its unexpectedly higher capacity for CO2 molecular.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: March 5, 2024
    Assignee: ACADEMIA SINICA
    Inventors: Jia-Hui Wang, Hao-Ju Chou, Po-Wen Chung
  • Publication number: 20240072153
    Abstract: A method for forming a high electron mobility transistor includes the steps of providing a substrate, forming a channel layer, a barrier layer, and a first passivation layer sequentially on the substrate, forming a plurality of trenches through at least a portion of the first passivation layer, forming a second passivation layer on the first passivation layer and covering along sidewalls and bottom surfaces of the trenches, and forming a conductive plate structure on the second passivation layer and filling the trenches.
    Type: Application
    Filed: November 9, 2023
    Publication date: February 29, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Po-Yu Yang, Hsun-Wen Wang
  • Patent number: 11735105
    Abstract: A driving circuit, a driving method and a display apparatus are provided. The driving method is provided for driving a light-emitting unit including a first light-emitting element series and a second light-emitting element series connected in parallel and connected to a processing unit and a driving unit of a driving circuit. The processing unit detects a first voltage value and a second voltage value. The driving unit detects and transmits a first current value and a second current value to the processing unit. The processing unit determines and compares a first power value and a second power value. When the first and second power values are different, the processing unit controls the driving unit to adjust a driving current setting of the light-emitting element series until the first and second power values are equal. The invention ensures luminance consistency of different light-emitting element series and the luminance uniformity of display apparatus.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: August 22, 2023
    Assignee: Qisda Corporation
    Inventors: Po-Wen Wang, Tung-Hsien Tsai, Wen-Hao Kuo, Chin-Sheng Chueh
  • Publication number: 20230230529
    Abstract: A driving circuit, a driving method and a display apparatus are provided. The driving method is provided for driving a light-emitting unit including a first light-emitting element series and a second light-emitting element series connected in parallel and connected to a processing unit and a driving unit of a driving circuit. The processing unit detects a first voltage value and a second voltage value. The driving unit detects and transmits a first current value and a second current value to the processing unit. The processing unit determines and compares a first power value and a second power value. When the first and second power values are different, the processing unit controls the driving unit to adjust a driving current setting of the light-emitting element series until the first and second power values are equal. The invention ensures luminance consistency of different light-emitting element series and the luminance uniformity of display apparatus.
    Type: Application
    Filed: May 26, 2022
    Publication date: July 20, 2023
    Applicant: Qisda Corporation
    Inventors: Po-Wen WANG, Tung-Hsien TSAI, Wen-Hao KUO, Chin-Sheng CHUEH
  • Patent number: 11637399
    Abstract: A connector combination structure is provided. The connector combination structure includes a first connector and a second connector. The first connector includes a first joint and at least one wedging portion. The second connector includes a housing, a second joint and at least one wedging arm. The second joint and the wedging arm are disposed in the housing. The wedging arm is adapted to be rotated between a first arm position and a second arm position. The first joint is adapted to be inserted into the housing to be connected to the second joint. When the wedging arm is located in the first arm position, the wedging arm is adapted to wedge the wedging portion. When the wedging arm is in the second arm position, the wedging arm is adapted to release the wedging portion.
    Type: Grant
    Filed: August 4, 2021
    Date of Patent: April 25, 2023
    Assignee: WISTRON NEWEB CORP.
    Inventors: Che-Min Lin, Po-Nien Ko, Yi-Chieh Wang, Po-Wen Wang
  • Publication number: 20220216648
    Abstract: A connector combination structure is provided. The connector combination structure includes a first connector and a second connector. The first connector includes a first joint and at least one wedging portion. The second connector includes a housing, a second joint and at least one wedging arm. The second joint and the wedging arm are disposed in the housing. The wedging arm is adapted to be rotated between a first arm position and a second arm position. The first joint is adapted to be inserted into the housing to be connected to the second joint. When the wedging arm is located in the first arm position, the wedging arm is adapted to wedge the wedging portion. When the wedging arm is in the second arm position, the wedging arm is adapted to release the wedging portion.
    Type: Application
    Filed: August 4, 2021
    Publication date: July 7, 2022
    Inventors: Che-Min LIN, Po-Nien KO, Yi-Chieh WANG, Po-Wen WANG
  • Publication number: 20190208145
    Abstract: A wearable device capable of displaying an object temperature includes a camera, an image capturing unit, a thermal camera, a thermal sensing device, a central processing unit and a display unit. The camera receives light to generate an image, and the image is captured by the image capturing unit. The thermal camera receives light to generate a thermal image. The thermal image is received by the thermal sensing device to obtain temperature information. The captured image and the thermal image are transmitted to the central processing unit and calculated by the central processing unit to obtain a temperature value for each point of the thermal image. The temperature values are displayed on the display unit.
    Type: Application
    Filed: March 2, 2018
    Publication date: July 4, 2019
    Inventor: PO-WEN WANG
  • Publication number: 20190197749
    Abstract: A method of displaying an object temperature includes capturing an image and a thermal image; presetting a basis temperature; calculating temperature value of each point of the thermal image; comparing the temperature value with the basis temperature; displaying the temperature value exceeding the basis temperature.
    Type: Application
    Filed: March 2, 2018
    Publication date: June 27, 2019
    Inventor: PO-WEN WANG
  • Patent number: 10321071
    Abstract: A wearable device capable of displaying an object temperature includes a camera, an image capturing unit, a thermal camera, a thermal sensing device, a central processing unit and a display unit. The camera receives light to generate an image, and the image is captured by the image capturing unit. The thermal camera receives light to generate a thermal image. The thermal image is received by the thermal sensing device to obtain temperature information. The captured image and the thermal image are transmitted to the central processing unit and calculated by the central processing unit to obtain a temperature value for each point of the thermal image. The temperature values are displayed on the display unit.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: June 11, 2019
    Assignees: LEAPSY INTERNATIONAL LTD.
    Inventor: Po-Wen Wang
  • Publication number: 20190138842
    Abstract: A method for recognizing a human face and a license plate includes the following steps: providing a wearable device comprising an image capturing device; capturing an image through the image capturing device; determining whether a human face or a license plate is in the image; analyzing the human face or the license plate and generating recognized human face data or recognized license plate data when a human face or a license plate is in the image; comparing the recognized human face data or the recognized license plate data with a plurality of human face data and a plurality of license plate data saved in a database; and displaying the recognized human face data or the recognized license plate data when the recognized human face data or the recognized license plate data matches the human face data or the license plate data.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 9, 2019
    Inventor: PO-WEN WANG
  • Publication number: 20190138841
    Abstract: A wearable device capable of recognizing a human face and a license plate includes a camera, an image capturing unit, a database, a central processing unit and a display unit. The camera receives external light to generate an image, and the image is captured by the image capturing unit. The captured image is transmitted to the central processing unit and recognized whether the image includes human faces or license plate of a car. The recognized data of human faces or license plate are compared with pre-stored data of human faces and license plate in the data base. When the recognized data matches the pre-stored data, the recognized data is shown in the display unit.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 9, 2019
    Inventor: PO-WEN WANG
  • Publication number: 20190045093
    Abstract: A wearable device of the invention includes a first display device, a second display device near the first device, a camera module catching a visible image in a view angle and transmitting the visible image to the first display device, wherein the visible image is displayed on the first display device, a thermal graphic camera catching a thermal image in the view angle and transmitting the thermal image to the second display device, wherein the thermal image is displayed on the second display device.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 7, 2019
    Inventor: PO-WEN WANG
  • Publication number: 20190037151
    Abstract: A wearable device of the invention includes a first display device, a second display device near the first device, a camera module catching a visible image in a view angle and transmitting the visible image to the first display device, wherein the visible image is displayed on the first display device, a thermal graphic camera catching a thermal image in the view angle and transmitting the thermal image to the second display device, wherein the thermal image is displayed on the second display device.
    Type: Application
    Filed: October 20, 2017
    Publication date: January 31, 2019
    Inventor: PO-WEN WANG
  • Patent number: 9742298
    Abstract: A transformer includes a first switch, a first winding, a second winding, a third winding, a first current direction control unit, a second current direction control unit and a loading capacitor. The first switch is coupled between the second winding and the third winding. The first winding is disposed at a primary side and coupled between an input voltage terminal and a first ground. The second winding is disposed at a secondary side and coupled between a second ground and the first switch. The third winding is disposed at the secondary side. The first current direction control unit is coupled between the second winding and an output voltage terminal. The second current direction control unit is coupled between the third winding and the output voltage terminal. The first switch is turned on for adjusting a winding ratio when the transformer is used to output a high voltage.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: August 22, 2017
    Assignees: Qisda (Suzhou) Co., LTD., Qisda Corporation
    Inventors: Chin-Sheng Chueh, Yen-Chien Chen, Tung-Hsien Tsai, Po-Wen Wang
  • Patent number: D798862
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: October 3, 2017
    Inventor: Po-Wen Wang
  • Patent number: D839269
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: January 29, 2019
    Assignees: LEAPSY INTERNATIONAL LTD.
    Inventor: Po-Wen Wang