Patents by Inventor Po-Yen Wu

Po-Yen 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).

  • Patent number: 11997433
    Abstract: A projection device and a projecting method are provided. The projection device includes a controller, a light engine, and a storage device. The storage device stores gamma correction curves and a predetermined amount. The controller receives display information of an image. The display information includes pixel information. The controller is configured to: set gray level regions and determine which gray level region does each pixel information fall into according to a gray level of the pixel information; calculate a pixel amount of the pixel information fallen into each gray level region; and when one of the pixel amount exceeds the predetermined amount, select a selected gamma correction curve from the gamma correction curves and adjust the display information according to the selected gamma correction curve to generate adjusted display information. The light engine is electrically coupled to the controller, receives the adjusted display information, and projects an adjusted image accordingly.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: May 28, 2024
    Assignee: Coretronic Corporation
    Inventor: Po-Yen Wu
  • Publication number: 20240147726
    Abstract: A method of forming a memory structure is provided. The method includes providing a substrate, wherein the substrate has a plurality of isolation structures, and the isolation structures include a plurality of first protrusions protruding above the substrate; replacing the first protrusions with a plurality of second protrusions to define a plurality of predetermined regions of floating gates between the second protrusions. The replacing step includes forming an insulation filling material between the first protrusions and on the substrate, and performing a patterning process to the insulation filling and the first protrusions to form second protrusions to define the predetermined regions of the floating gates, and forming a plurality of floating gates in the predetermined regions of the floating gates.
    Type: Application
    Filed: October 26, 2023
    Publication date: May 2, 2024
    Inventors: Bo-Lun WU, Po-Yen HSU, Tse-Mian KUO
  • Patent number: 11974506
    Abstract: A spin-orbit torque device is disclosed, which includes: a magnetic layer; and a non-magnetic layer adjacent to the magnetic layer and comprising a spin-Hall material, wherein the spin-Hall material comprises NixCu1-x alloy, and x is in a range from 0.4 to 0.8.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 30, 2024
    Assignees: NATIONAL TAIWAN UNIVERSITY, ACADEMIA SINICA
    Inventors: Po-Hsun Wu, Ssu-Yen Huang, Chia-Ling Chien, Danru Qu
  • Publication number: 20240113071
    Abstract: An integrated circuit package including electrically floating metal lines and a method of forming are provided. The integrated circuit package may include integrated circuit dies, an encapsulant around the integrated circuit dies, a redistribution structure on the encapsulant, a first electrically floating metal line disposed on the redistribution structure, a first electrical component connected to the redistribution structure, and an underfill between the first electrical component and the redistribution structure. A first opening in the underfill may expose a top surface of the first electrically floating metal line.
    Type: Application
    Filed: January 5, 2023
    Publication date: April 4, 2024
    Inventors: Chung-Shi Liu, Mao-Yen Chang, Yu-Chia Lai, Kuo-Lung Pan, Hao-Yi Tsai, Ching-Hua Hsieh, Hsiu-Jen Lin, Po-Yuan Teng, Cheng-Chieh Wu, Jen-Chun Liao
  • Publication number: 20240088297
    Abstract: In a method of manufacturing a semiconductor device including a Fin FET, a fin structure extending in a first direction is formed over a substrate. An isolation insulating layer is formed over the substrate so that an upper portion of the fin structure is exposed from the isolation insulating layer. A gate structure extending in a second direction crossing the first direction is formed over a part of the fin structure. A fin mask layer is formed on sidewalls of a source/drain region of the fin structure. The source/drain region of the fin structure is recessed. An epitaxial source/drain structure is formed over the recessed fin structure. In the recessing the source/drain region of the fin structure, a plasma process combining etching and deposition processes is used to form a recess having a rounded corner shape in a cross section along the second direction.
    Type: Application
    Filed: November 22, 2023
    Publication date: March 14, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Cheng-Yen YU, Po-Chi WU, Yueh-Chun LAI
  • Publication number: 20240008203
    Abstract: A lifting mechanism and a display device having the same are provided. The lifting mechanism is suitable for being arranged in a supporting stand of the display device. The lifting mechanism comprises a lifting base, a stopping component disposed in the lifting base, a triggering component movably connected to the lifting base, and an elastic component connected to the lifting base and the stopping component. When the triggering component is driven to drive the stopping component, the stopping component moves to press against an inner wall of the supporting stand so that the lifting base is fixedly positioned in the supporting stand. When the triggering component is driven to release the stopping component, the stopping component moves away from the inner wall of the supporting stand by a restoring force of the elastic component so that the lifting base can be lifted of lowered in the supporting stand.
    Type: Application
    Filed: February 2, 2023
    Publication date: January 4, 2024
    Applicant: Qisda Corporation
    Inventors: Nien-Tsung HSU, Han-Kuang HO, Hsin-Hung LIN, Po-Yen WU
  • Patent number: 11800072
    Abstract: A projection system and a projection method are provided. The projection system includes a digital micromirror device, a digital light processing chip, and a display processing chip. The display processing chip receives a first image signal with a variable frame rate from an external signal source, and outputs a second image signal with one of a plurality of fixed projection frame rates to the digital light processing chip according to the first image signal and one of the fixed projection frame rates supported by the projection system. The digital light processing chip drives the digital micromirror device according to the second image signal. The projection system and the projection method of the invention may realize a variable frame rate function and effectively improve smoothness of a projection image.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: October 24, 2023
    Assignee: Coretronic Corporation
    Inventors: Yun-Shih Chen, Yu-Hsuan Hsieh, Po-Yen Wu
  • Publication number: 20230205842
    Abstract: A method and apparatus for subsurface data processing includes determining a set of clusters based at least in part on measurement vectors associated with different depths or times in subsurface data, defining clusters in a subsurface data by classes associated with a state mode, reducing a quantity of the subsurface data based at least in part on the classes, and storing the reduced quantity of the subsurface data and classes with the state model in a training database for a machine learning process.
    Type: Application
    Filed: March 1, 2023
    Publication date: June 29, 2023
    Inventors: Vikas Jain, Po-Yen Wu, Aria Abubakar, Shashi Menon
  • Publication number: 20230179750
    Abstract: A projection device and a projecting method are provided. The projection device includes a controller, a light engine, and a storage device. The storage device stores gamma correction curves and a predetermined amount. The controller receives display information of an image. The display information includes pixel information. The controller is configured to: set gray level regions and determine which gray level region does each pixel information fall into according to a gray level of the pixel information; calculate a pixel amount of the pixel information fallen into each gray level region; and when one of the pixel amount exceeds the predetermined amount, select a selected gamma correction curve from the gamma correction curves and adjust the display information according to the selected gamma correction curve to generate adjusted display information. The light engine is electrically coupled to the controller, receives the adjusted display information, and projects an adjusted image accordingly.
    Type: Application
    Filed: November 28, 2022
    Publication date: June 8, 2023
    Applicant: Coretronic Corporation
    Inventor: Po-Yen Wu
  • Publication number: 20230140198
    Abstract: A projection system and control method thereof are provided. A player apparatus generates and transmits an image signal to a projection apparatus, and a plurality of first distance values within a first time are received through a distance sensor. An average value of the plurality of first distance values is calculated and set as a reference value. During a playback of the image signal, an average value of a plurality of second distance values received from the distance sensor is calculated every second time to serve as a first-stage detection value. When the first-stage detection value is less than the reference value, the image signal is paused.
    Type: Application
    Filed: October 19, 2022
    Publication date: May 4, 2023
    Applicant: Coretronic Corporation
    Inventor: Po-Yen Wu
  • Publication number: 20230102421
    Abstract: A focus adjustment method, adapted for a projection system is provided. The projection system includes a projection target and a projection device having a range-finding array element and a processor. A plurality of range-finding elements in the range-finding array element define a plurality of measurement mesh points. The focus adjustment method includes the following. A plurality of ranging regions in the measurement mesh points are defined, and each ranging region includes more than one measurement mesh point. All the range-finding elements in the ranging regions perform a ranging measurement to generate a plurality of original ranging values. An averaging calculation is performed on the original ranging values corresponding to each ranging region to generate a plurality of average region ranging values. Whether the average region ranging values are within a preset range is determined to generate an optimal ranging value which is used to adjust a lens focus.
    Type: Application
    Filed: September 27, 2022
    Publication date: March 30, 2023
    Applicant: Coretronic Corporation
    Inventors: Kun-Hong Chen, Po-Yen Wu, Yu-Hsuan Hsieh
  • Patent number: 11609353
    Abstract: A method and apparatus for subsurface data processing includes determining a set of clusters based at least in part on measurement vectors associated with different depths or times in subsurface data, defining clusters in a subsurface data by classes associated with a state mode, reducing a quantity of the subsurface data based at least in part on the classes, and storing the reduced quantity of the subsurface data and classes with the state model in a training database for a machine learning process.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: March 21, 2023
    Assignee: Schlumberger Technology Corporation
    Inventors: Vikas Jain, Po-Yen Wu, Aria Abubakar, Shashi Menon
  • Publication number: 20230057458
    Abstract: A projection system and a projection method are provided. The projection system includes a digital micromirror device, a digital light processing chip, and a display processing chip. The display processing chip receives a first image signal with a variable frame rate from an external signal source, and outputs a second image signal with one of a plurality of fixed projection frame rates to the digital light processing chip according to the first image signal and one of the fixed projection frame rates supported by the projection system. The digital light processing chip drives the digital micromirror device according to the second image signal. The projection system and the projection method of the invention may realize a variable frame rate function and effectively improve smoothness of a projection image.
    Type: Application
    Filed: July 26, 2022
    Publication date: February 23, 2023
    Applicant: Coretronic Corporation
    Inventors: Yun-Shih Chen, Yu-Hsuan Hsieh, Po-Yen Wu
  • Publication number: 20220353480
    Abstract: A projection apparatus with an automatic adjustment function and an automatic projection adjustment method thereof are provided. The projection apparatus includes a control device, a projection device and a ranging device. The projection device is coupled to the control device. The ranging device is coupled to the control device. The control device operates the ranging device to perform multi-point ranging within a projection range of the projection device and on a projection surface. The control device determines whether a position of the projection range is suitable for projection according to a plurality of first distance values of a plurality of detection points provided by the ranging device, so as to adjust the projection range. The projection apparatus has an effect of accurate and automatic projection adjustment.
    Type: Application
    Filed: April 20, 2022
    Publication date: November 3, 2022
    Applicant: Coretronic Corporation
    Inventors: Chien-Wei Wang, Po-Yen Wu, Chih-Lin Wang
  • Publication number: 20220295026
    Abstract: The invention provides a projector and a correction method thereof. The projector includes a ToF sensor, a calculation unit, a control unit, and a projection module. The ToF sensor senses distances between measurement points on a projection surface and the projector in a distance measurement operation. The calculation unit is coupled to the ToF sensor. The calculation unit calculates at least one distance ratio corresponding to at least one direction according to the distances, and obtains at least one offset angle in the at least one direction according to the at least one distance ratio. The control unit is coupled to the calculation unit and the ToF sensor. The projection module is coupled to the control unit. The control unit performs a keystone correction operation of the projection module according to the at least one offset angle.
    Type: Application
    Filed: February 16, 2022
    Publication date: September 15, 2022
    Applicant: Coretronic Corporation
    Inventors: Po-Yen Wu, Chih-Lin Wang, Chien-Wei Wang
  • Patent number: 11070777
    Abstract: A projection apparatus and its operation method are provided. The projection apparatus includes a light-emitting device, a driving circuit coupled to the light-emitting device, and a control circuit receiving at least one video frame and analyzing color content of the at least one video frame. According to at least one control signal, the driving circuit drives the light-emitting device to generate a projected beam. The control circuit selects a highlight mode or a normal mode as a selected mode according to the color content and correspondingly sets at least one control signal to the driving circuit according to the selected mode. A brightness of the projected beam of the light-emitting device in the highlight mode is greater than that in the normal mode.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: July 20, 2021
    Assignee: Coretronic Corporation
    Inventors: Wei-Chih Su, Sheng-Yu Chiu, Po-Yen Wu, Jung-Chi Chen, Chih-Lin Wang
  • Publication number: 20200278467
    Abstract: A method and apparatus for subsurface data processing includes determining a set of clusters based at least in part on measurement vectors associated with different depths or times in subsurface data, defining clusters in a subsurface data by classes associated with a state mode, reducing a quantity of the subsurface data based at least in part on the classes, and storing the reduced quantity of the subsurface data and classes with the state model in a training database for a machine learning process.
    Type: Application
    Filed: September 26, 2018
    Publication date: September 3, 2020
    Inventors: Vikas Jain, Po-Yen Wu, Aria Abubakar, Shashi Menon
  • Publication number: 20200169708
    Abstract: A projection apparatus and its operation method are provided. The projection apparatus includes a light-emitting device, a driving circuit coupled to the light-emitting device, and a control circuit receiving at least one video frame and analyzing color content of the at least one video frame. According to at least one control signal, the driving circuit drives the light-emitting device to generate a projected beam. The control circuit selects a highlight mode or a normal mode as a selected mode according to the color content and correspondingly sets at least one control signal to the driving circuit according to the selected mode. A brightness of the projected beam of the light-emitting device in the highlight mode is greater than that in the normal mode.
    Type: Application
    Filed: November 20, 2019
    Publication date: May 28, 2020
    Applicant: Coretronic Corporation
    Inventors: Wei-Chih Su, Sheng-Yu Chiu, Po-Yen Wu, Jung-Chi Chen, Chih-Lin Wang
  • Publication number: 20180205920
    Abstract: According to an embodiment, the projection apparatus maintenance system is adapted for a projection apparatus having a communication interface and a projection unit. The projection unit projects a projection image according to an image data. The method comprises: transmitting a usage data corresponding to the projection apparatus to a mobile apparatus through the communication interface; transmitting the usage data to a network server through the mobile apparatus and receiving a maintenance data which is provided by the network server in correspondence to the transmitted usage data; receiving at least one maintenance command from the mobile apparatus through the communication interface; and executing a maintenance operation corresponding to the projection apparatus according to the at least one maintenance command. As a result, the maintenance efficiency of the projection apparatus can be improved.
    Type: Application
    Filed: January 15, 2018
    Publication date: July 19, 2018
    Applicant: Coretronic Corporation
    Inventors: Chao-Wang Wu, Po-Yen Wu, Shu-Hui Liao
  • Patent number: 8766163
    Abstract: A control circuit is applied into a projector and an operation method is provided for the projector. The projector includes a photo sensor provided for generating a sensing voltage according to light intensity sensed by the photo sensor. The control circuit includes a first voltage-comparing unit, a reference voltage generating unit and a second voltage-comparing unit. The first voltage-comparing unit is provided for comparing the sensing voltage and a first reference voltage, to generate a first comprising result. The reference-voltage generating unit is provided for generating a second reference voltage and determining whether adjusting the second reference voltage according to the first comparing result. The second reference voltage is relatively larger than the first reference voltage. The second voltage-comparing unit is provided for comparing the sensing voltage and the second reference voltage, to generate a second comparing result.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: July 1, 2014
    Assignee: Coretronic Corporation
    Inventors: Jung-Chi Chen, Po-Yen Wu, Chih-Lin Wang