Patents by Inventor Ang Chen

Ang 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).

  • Patent number: 11996470
    Abstract: A semiconductor device includes a semiconductor fin. The semiconductor device includes first spacers over the semiconductor fin. The semiconductor device includes second spacers over the semiconductor fin. The second spacers vertically extend farther from the semiconductor fin than the first spacers. The semiconductor device includes a metal gate over the semiconductor fin, the metal gate is sandwiched by the first spacers. The metal gate includes a glue layer that contains tantalum nitride.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: May 28, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Jian-Jou Lian, Tzu Ang Chiang, Ming-Hsi Yeh, Chun-Neng Lin, Po-Yuan Wang, Chieh-Wei Chen
  • Patent number: 11978801
    Abstract: A method of forming a semiconductor device includes surrounding a dummy gate disposed over a fin with a dielectric material; forming a gate trench in the dielectric material by removing the dummy gate and by removing upper portions of a first gate spacer disposed along sidewalls of the dummy gate, the gate trench comprising a lower trench between remaining lower portions of the first gate spacer and comprising an upper trench above the lower trench; forming a gate dielectric layer, a work function layer and a glue layer successively in the gate trench; removing the glue layer and the work function layer from the upper trench; filling the gate trench with a gate electrode material after the removing; and removing the gate electrode material from the upper trench, remaining portions of the gate electrode material forming a gate electrode.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: May 7, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Jian-Jou Lian, Chun-Neng Lin, Chieh-Wei Chen, Tzu-Ang Chiang, Ming-Hsi Yeh
  • Patent number: 11959623
    Abstract: The present disclosure provides a connecting device and a lamp system. The connecting device is used to connect multiple lamps to form the lamp system. The connecting device includes a connecting element, a cover, and a shell. The cover is mounted on the connecting element and includes at least two first assembling members. The shell is detachably mounted on the cover. The shell includes a side wall, an opening, multiple gateways, and at least two second assembling members. The side wall surrounds a space. The opening and the gateways all are formed on a top of the side wall and communicate with the space. A portion of each of the lamps is received in one of the gateways. The second assembling members are disposed on the side wall and face each other in a radial line of the shell, and respectively engage with the first assembling members.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: April 16, 2024
    Assignee: Radiant Opto-Electronics Corporation
    Inventors: Chih-Hung Ju, Cheng-Ang Chang, Guo-Hao Huang, Chung-Kuang Chen
  • Publication number: 20240105515
    Abstract: A method includes forming a first low-dimensional layer over an isolation layer, forming a first insulator over the first low-dimensional layer, forming a second low-dimensional layer over the first insulator, forming a second insulator over the second low-dimensional layer, and patterning the first low-dimensional layer, the first insulator, the second low-dimensional layer, and the second insulator into a protruding fin. Remaining portions of the first low-dimensional layer, the first insulator, the second low-dimensional layer, and the second insulator form a first low-dimensional strip, a first insulator strip, a second low-dimensional strip, and a second insulator strip, respectively. A transistor is then formed based on the protruding fin.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 28, 2024
    Inventors: Chao-Ching Cheng, Tzu-Ang Chao, Chun-Chieh Lu, Hung-Li Chiang, Tzu-Chiang Chen, Lain-Jong Li
  • Publication number: 20240105818
    Abstract: A semiconductor device includes a gate electrode over a channel region of a semiconductor fin, first spacers over the semiconductor fin, and second spacers over the semiconductor fin. A lower portion of the gate electrode is between the first spacers. An upper portion of the gate electrode is above the first spacers. The second spacers are adjacent the first spacers opposite the gate electrode. The upper portion of the gate electrode is between the second spacers.
    Type: Application
    Filed: November 28, 2023
    Publication date: March 28, 2024
    Inventors: Jian-Jou Lian, Chun-Neng Lin, Ming-Hsi Yeh, Chieh-Wei Chen, Tzu-Ang Chiang
  • Patent number: 11926400
    Abstract: A bottom touching assisting device suitable for deep-sea submersibles and an implementation method thereof are provided. Four support columns are arranged within a mounting box body at a bottom of a deep-sea submersible, the support columns and the mounting box body are connected in a sliding manner through sliders, and the support column is sleeved with a threaded sleeve in a threaded connection manner. In conjunction with a drive component and a pressing mechanism, smooth vertical movement of the support column is achieved when the threaded sleeve rotates. This allows a bottom end of the support column to extend from the mounting box body.
    Type: Grant
    Filed: December 6, 2023
    Date of Patent: March 12, 2024
    Assignee: Qingdao Institute of Marine Geology
    Inventors: Xilin Zhang, Nengyou Wu, Qingsheng Liu, Hong Cao, Ang Li, Zhilei Sun, Cuiling Xu, Ye Chen, Sinan Xu, Jianjun Miao
  • Publication number: 20240068652
    Abstract: The present disclosure provides a connecting device and a lamp system. The connecting device is used to connect multiple lamps to form the lamp system. The connecting device includes a connecting element, a cover, and a shell. The cover is mounted on the connecting element and includes at least two first assembling members. The shell is detachably mounted on the cover. The shell includes a side wall, an opening, multiple gateways, and at least two second assembling members. The side wall surrounds a space. The opening and the gateways all are formed on a top of the side wall and communicate with the space. A portion of each of the lamps is received in one of the gateways. The second assembling members are disposed on the side wall and face each other in a radial line of the shell, and respectively engage with the first assembling members.
    Type: Application
    Filed: April 27, 2023
    Publication date: February 29, 2024
    Inventors: Chih-Hung JU, Cheng-Ang CHANG, Guo-Hao HUANG, Chung-Kuang CHEN
  • Patent number: 11907340
    Abstract: An image positioning device is provided in the invention. The image positioning device includes a calculation circuit and a positioning circuit. The calculation circuit obtains a plurality of images from an image capturing device and classifies the images into a plurality of main groups based on a first algorithm, wherein each main group corresponds to a different area and the calculation circuit classifies the images of each main group into a plurality of sub-groups based on a feature of each image of each main group and a clustering algorithm. The positioning circuit is coupled to the calculation circuit. The positioning circuit positions each sub-group in the area corresponding to each main group based on the relative position relationship between each sub-group of each main group.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: February 20, 2024
    Assignee: QUANTA COMPUTER INC.
    Inventors: Kai-Ju Cheng, Yu-Hsun Chen, Yu-Cheng Chien, Chin-Yuan Ting, Shao-Ang Chen
  • Patent number: 11873472
    Abstract: The subject invention concerns materials and methods for culture of cell aggregates. The subject invention utilizes three-dimensional (3-D) inserts comprising micro-channels having selected dimensions. The inserts are provided in or on tissue culture plates that can be supported on a programmable rocking platform/station, thereby providing for a hydrodynamic environment that promotes 3-D aggregation of cells cultured on the plates. The supporting rocker is programmed to provide motion that generates hydrodynamic conditions that support 3-D cell aggregation and long-term culture. The subject invention also concerns an apparatus comprising a tissue culture vessel that comprises a 3-D insert of the present invention, and a programmable rocking platform/station that can provide motion to the vessel provided thereon, thereby generating hydrodynamic conditions and wave motion that support 3-D cell aggregation and cell culture. The subject invention also concerns methods for growing 3-D aggregates of cells.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: January 16, 2024
    Assignee: FLORIDA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    Inventors: Teng Ma, Ang-Chen Tsai, Xuegang Yuan
  • Publication number: 20230408544
    Abstract: A method comprises: generating input data for inputting to a neural network model based on coordinate data of dispersion curve data and preset values of geometric parameters with respect to a reference model; generating simulated dispersion curve data associated with the preset values of the geometric parameters based on the neural network model trained via a plurality of samples; obtaining measured dispersion curve data in relation to an object calculating a distance of the measured dispersion curve data from the simulated dispersion curve data to determine whether the distance meets a predetermined condition; and in response to determining the distance does not meet the predetermined condition, determining a gradient for updating the preset values of the geometric parameters with respect to the reference model based on the distance, to regenerate simulated dispersion curve data via the neural network model based on the updated preset values to recalculate the distance.
    Type: Application
    Filed: February 1, 2021
    Publication date: December 21, 2023
    Inventors: Tongyu Li, Ang Chen, Lei Shi, Guopeng Lu, Minjia Zheng, Lingjie Fan, Haiwei Yin
  • Publication number: 20230301751
    Abstract: A distinguishing device for dental plaque and dental calculus includes a light-emitting diode, an image sensing unit, and a processor. The light-emitting diode movies in a first direction and is separated from teeth in an oral cavity by a predetermined distance in a second direction. The second direction is perpendicular to the first direction. The light-emitting diode generates a blue light to illuminate the teeth, so that dental plaque on the teeth generates a first autofluorescence and dental calculus on the teeth generates a second autofluorescence. The image sensing unit is configured to sense the first autofluorescence and the second autofluorescence. The processor is coupled to the image sensing unit to distinguish a dental plaque area from a dental calculus area on the teeth according to the first autofluorescence and the second autofluorescence.
    Type: Application
    Filed: August 4, 2022
    Publication date: September 28, 2023
    Inventors: Kai-Ju CHENG, Yu-Hsun CHEN, Hao-Ping LEE, Tong-Ming HSU, Chin-Yuan TING, Shao-Ang CHEN, Kuan-Chung CHEN, Hsin-Lun HSIEH
  • Publication number: 20230306706
    Abstract: Digital image stitching systems and methods are disclosed herein for generating one or more panoramic image views. A plurality of digital images depicting a target feature within an application area are captured by a camera of a scanner device. Motion data is captured, by a sensor coupled to the scanner device, as the scanner device moves relative to the target feature, where relative position data, corresponding to the plurality of digital images, is determined based on the motion data. An angle or position is generated for a first image relative to a second image of the plurality of images, and, based on image matching of the angle or the position of the second image with respect to the first image, a panoramic image view is generated depicting the target feature in a wider field of view of the application area than either the first image or the second image.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 28, 2023
    Inventors: Pei LI, Faiz Feisal SHERMAN, Xinru CUI, Kai-Ju CHENG, Kuan-Chung CHEN, Shao-Ang CHEN, Jia-Chyi WANG, Yu-Cheng CHIEN
  • Publication number: 20230298316
    Abstract: An image classifying device is provided in the invention. The image classifying device includes a storage device, a calculation circuit and a classifying circuit. The storage device stores information corresponding to a plurality of image classes. The calculation circuit obtains a target image from an image extracting device and obtains the feature vector of the target image. The calculation circuit obtains a first estimation result corresponding to the target image based on the information corresponding to the plurality of image classes and the feature vector and obtains a second estimation result corresponding to the target image based on a reference image, wherein the reference image corresponds to one of the image classes. The classifying circuit adds the target image into one of the image classes based on the first estimation result and the second estimation result.
    Type: Application
    Filed: June 23, 2022
    Publication date: September 21, 2023
    Inventors: Chia-Yuan CHANG, Kai-Ju CHENG, Yu-Hsun CHEN, Hao-Ping LEE, Tong-Ming HSU, Chin-Yuan TING, Shao-Ang CHEN, Kuan-Chung CHEN
  • Publication number: 20230213870
    Abstract: Embodiments of the present disclosure relate to a metrology method and system for critical dimensions based on a dispersion relation in momentum space.
    Type: Application
    Filed: August 12, 2020
    Publication date: July 6, 2023
    Inventors: Tongyu Li, Lei Shi, Ang Chen, Guopeng Lu, Haiwei Yin, Jian Zi
  • Patent number: 11615751
    Abstract: The present invention discloses a backlight control method having dynamic backlight adjusting mechanism used in a display control circuit is provided and includes the steps outlined below. A frame refresh time length of a former frame is obtained. When a current frame is started to be displayed, a backlight module is controlled to output a strobe backlight in a backlight turn-on time period. When an actual display time reaches the frame refresh time length and a next frame is not started to be displayed, the backlight module is controlled to output a constant backlight until the next frame is started to be displayed. When the actual display time does not reach the frame refresh time length and the next frame is started to be displayed, the backlight module is controlled to output the constant backlight until the frame next to the next frame is started to be displayed.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: March 28, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventor: Li-Ang Chen
  • Publication number: 20230081458
    Abstract: The present invention discloses a backlight control method having dynamic backlight adjusting mechanism used in a display control circuit is provided and includes the steps outlined below. A frame refresh time length of a former frame is obtained. When a current frame is started to be displayed, a backlight module is controlled to output a strobe backlight in a backlight turn-on time period. When an actual display time reaches the frame refresh time length and a next frame is not started to be displayed, the backlight module is controlled to output a constant backlight until the next frame is started to be displayed. When the actual display time does not reach the frame refresh time length and the next frame is started to be displayed, the backlight module is controlled to output the constant backlight until the frame next to the next frame is started to be displayed.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 16, 2023
    Inventor: LI-ANG CHEN
  • Patent number: 11545109
    Abstract: Disclosed is a display backlight control method for adapting a display backlight source to multiple refresh rates. The method includes: ascertaining a relation between a refresh rate and a threshold; if the relation indicates that the refresh rate changes from being higher than the threshold to lower than the threshold, transmitting a first mode backlight control signal to make the display backlight source provide a first transitional backlight in a first transition period and then provide a constant backlight; and if the relation indicates that the refresh rate changes from being lower than the threshold to higher than the threshold, transmitting a second mode backlight control signal to make the display backlight source provide a second transitional backlight in a second transition period and then provide a non-transitional strobe backlight. The first (second) transitional backlight includes a first (second) transitional strobe backlight and a first (second) transitional constant backlight.
    Type: Grant
    Filed: July 23, 2021
    Date of Patent: January 3, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventor: Li-Ang Chen
  • Patent number: 11521567
    Abstract: A display device includes a liquid crystal display panel, a backlight module, a control circuit, a driving module, and a waveform generator. The liquid crystal display panel includes a plurality of liquid crystal pixels. The backlight module generates the backlight required by the liquid crystal display panel, and the backlight module includes a plurality of backlight blocks. The control circuit determines a backlight intensity corresponding to each backlight block in a frame period according to an input display data and generates a control signal according to the backlight intensities corresponding to the backlight blocks. The driving module generates a plurality of driving signals to the backlight module in the frame period according to the control signal. The waveform generator generates a de-blur pulse signal to the backlight module. When the de-blur pulse signal is at a high voltage, the backlight blocks emit lights according to the driving signals.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: December 6, 2022
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Cian-Rou Wu, Cheng Yueh Chen, Cheng-Chun Wang, Li-Ang Chen, Yung-Chih Chen
  • Publication number: 20220366183
    Abstract: An image positioning device is provided in the invention. The image positioning device includes a calculation circuit and a positioning circuit. The calculation circuit obtains a plurality of images from an image capturing device and classifies the images into a plurality of main groups based on a first algorithm, wherein each main group corresponds to a different area and the calculation circuit classifies the images of each main group into a plurality of sub-groups based on a feature of each image of each main group and a clustering algorithm. The positioning circuit is coupled to the calculation circuit. The positioning circuit positions each sub-group in the area corresponding to each main group based on the relative position relationship between each sub-group of each main group.
    Type: Application
    Filed: July 30, 2021
    Publication date: November 17, 2022
    Inventors: Kai-Ju CHENG, Yu-Hsun CHEN, Yu-Cheng CHIEN, Chin-Yuan TING, Shao-Ang CHEN
  • Publication number: 20220335909
    Abstract: A display device includes a liquid crystal display panel, a backlight module, a control circuit, a driving module, and a waveform generator. The liquid crystal display panel includes a plurality of liquid crystal pixels. The backlight module generates the backlight required by the liquid crystal display panel, and the backlight module includes a plurality of backlight blocks. The control circuit determines a backlight intensity corresponding to each backlight block in a frame period according to an input display data and generates a control signal according to the backlight intensities corresponding to the backlight blocks. The driving module generates a plurality of driving signals to the backlight module in the frame period according to the control signal. The waveform generator generates a de-blur pulse signal to the backlight module. When the de-blur pulse signal is at a high voltage, the backlight blocks emit lights according to the driving signals.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 20, 2022
    Inventors: CIAN-ROU WU, CHENG YUEH CHEN, CHENG-CHUN WANG, LI-ANG CHEN, YUNG-CHIH CHEN