Patents by Inventor Yu-Lin Chang

Yu-Lin Chang 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: 20250015566
    Abstract: A vertical-cavity surface-emitting laser array includes a substrate. The VCSEL array also includes an active layer formed between a lower mirror and an upper mirror. The VCSEL array also includes a contact layer formed between the active layer and the substrate. The VCSEL array also includes an isolation trench between the first VCSEL and the second VCSEL of the VCSEL array. The isolation trench extending through the contact layer is filled with a filler.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 9, 2025
    Inventors: Kai-Jie CHANG, Wan-Ting CHIEN, Yu-Chun CHEN, Chia-Ta CHANG, Jeng-Lin WU
  • Patent number: 12190033
    Abstract: A method for a parallelism-aware wavelength-routed optical networks-on-chip design is proposed, which is executed by a computer, the method comprising using the computer to perform the following: providing a WRONoC netlist, design specs and design rules; performing a network construction such that potential positions of each core of a plurality of cores, a plurality of waveguides and a plurality of microring resonators (MRRs) are determined to create a topology; performing a message routing to minimize MRR type usage of the MRRs in the topology; and performing a MRR radius selection to select a radius from MRR-radius options for each MRR type in said topology based on a simulated annealing.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: January 7, 2025
    Assignee: ANAGLOBE TECHNOLOGY, INC.
    Inventors: Kuan-Cheng Chen, Yan-Lin Chen, Yu-Sheng Lu, Yao-Wen Chang, Yu-Tsang Hsieh
  • Patent number: 12189251
    Abstract: A signal control method suitable for a touch screen is provided. The signal control method comprises: switching a plurality of scan lines to an enabling voltage level sequentially in a display stage; turning on a plurality of switches sequentially to transmit a plurality of display data to a plurality of data lines when a first scan line of the plurality of scan lines is in an enabled voltage level, wherein a first switch of the plurality of switches is coupled to a first data line of the plurality of data lines, and the first data line corresponds to one of a plurality of dummy lines in a vertical direction, when the first scan line is in the enabled voltage level, the first switch is turned on after other switches are turned on; and setting the plurality of dummy lines to a touch voltage in a touch stage.
    Type: Grant
    Filed: November 23, 2022
    Date of Patent: January 7, 2025
    Assignee: AUO CORPORATION
    Inventors: Shih-Hsi Chang, Yu-Hsin Ting, Chung-Lin Fu, I-Fang Chen, Wei-Chun Hsu, Nan-Ying Lin
  • Publication number: 20240409180
    Abstract: Provided is a bicycle handlebar grip assembly for mounting on a handlebar of a bicycle handlebar, the bicycle handlebar grip assembly including at least one handgrip body for arranging on a handlebar, such as the end thereof, for a rider to thereby hold the handlebar, fixing means for fixing the bicycle handlebar grip assembly to the handlebar, such as for the purpose of securing or clamping this, and a coupling connection for coupling the handgrip body to the fixing means
    Type: Application
    Filed: October 7, 2022
    Publication date: December 12, 2024
    Inventors: Yi-Fang Chen, Zhao-Bo Zhan, Alexandre Phaneuf, Chun-Hsun Kao, Chien-I Chen, Yu-Lin Chang, Job Hendrik Stehmann
  • Patent number: 12146927
    Abstract: A method for fabricating semiconductor device includes the steps of first forming a magnetic tunneling junction (MTJ) stack on a substrate, in which the MTJ stack includes a pinned layer on the substrate, a barrier layer on the pinned layer, and a free layer on the barrier layer. Next, a top electrode is formed on the MTJ stack, the top electrode, the free layer, and the barrier layer are removed, a first cap layer is formed on the top electrode, the free layer, and the barrier layer, and the first cap layer and the pinned layer are removed to form a MTJ and a spacer adjacent to the MTJ.
    Type: Grant
    Filed: October 4, 2023
    Date of Patent: November 19, 2024
    Assignee: UNITED MICROELECTRONICS CORP.
    Inventors: Hui-Lin Wang, Chen-Yi Weng, Che-Wei Chang, Si-Han Tsai, Ching-Hua Hsu, Jing-Yin Jhang, Yu-Ping Wang
  • Patent number: 12144112
    Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a substrate, an active element, a driving circuit element, a first connection circuit, a second connection circuit and a conductive connector. The substrate has a first surface and a second surface opposite to the first surface. The active element is disposed on the first surface. The driving circuit element is disposed on the second surface and is overlapped with the active element. The first connection circuit is disposed on the first surface and is connected to the active element. The second connection circuit is disposed on the second surface and is connected to the driving circuit element. The conductive connector penetrates through the substrate and two ends of the conductive connector are electrically connected to the first connection circuit and the second connection circuit, respectively.
    Type: Grant
    Filed: November 2, 2022
    Date of Patent: November 12, 2024
    Assignee: E Ink Holdings Inc.
    Inventors: Yi Jiun Wu, Wen-Chung Tang, Yung-Sheng Chang, Cheng-Hao Lee, Yu-Lin Hsu, Kuo-Hsing Cheng
  • Publication number: 20240363398
    Abstract: A semiconductor die is provided. The semiconductor die includes a substrate having a front surface, a rear surface opposite to the front surface, and a sidewall connected between the front surface and the rear surface. The sidewall includes a first primary segment immediately connected to the front surface, a second primary segment immediately connected to the rear surface, and a middle segment between the first primary segment and the second primary segment. The slope of the second primary segment is less than the slope of the first primary segment, and the slope of the middle segment is less than the slope of the second primary segment. Each of the first primary segment, the second primary segment, and the middle segment is a flat surface having a slope greater than 0 degrees relative to a line parallel to the front surface of the substrate.
    Type: Application
    Filed: July 5, 2024
    Publication date: October 31, 2024
    Inventors: Yu-Sheng TANG, Fu-Chen CHANG, Cheng-Lin HUANG, Wen-Ming CHEN, Chun-Yen LO, Kuo-Chio LIU
  • Publication number: 20240355684
    Abstract: A wafer stacking method includes the following steps. A first wafer is provided. A second wafer is bonded to the first wafer to form a first wafer stack structure. A first edge defect inspection is performed on the first wafer stack structure to find a first edge defect and measure a first distance in a radial direction between an edge of the first wafer stack structure and an end of the first edge defect away from the edge of the first wafer stack structure. A first trimming process with a range of a first width is performed from the edge of the first wafer stack structure to remove the first edge defect. Herein, the first width is greater than or equal to the first distance.
    Type: Application
    Filed: May 4, 2023
    Publication date: October 24, 2024
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Chih Feng Sung, Wei Han Huang, Ming-Jui Tsai, Yu Chi Chen, Yung-Hsiang Chang, Chun-Lin Lu, Shih-Ping Lee
  • Patent number: 12118925
    Abstract: A display device includes a multiple of light-emitting elements and a multiple of driving circuits. Each of the multiple of driving circuits is configured to generate a driving current flowing through one of the multiple of light-emitting elements. Each of the multiple of driving circuits includes a first transistor, a second transistor, a reset circuit, a first control circuit and a second control circuit. The driving current flows from a first system high voltage terminal through the first transistor, the second transistor and one of the multiple of light-emitting elements to a system low voltage terminal. The first control circuit is configured to control the first transistor to modulate pulse amplitude of the driving current. The second control circuit is configured to control the second transistor to modulate pulse width of the driving current.
    Type: Grant
    Filed: September 7, 2023
    Date of Patent: October 15, 2024
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Che-Chia Chang, Shang-Jie Wu, Yu-Chieh Kuo, Hsien-Chun Wang, Sin-An Lin, Mei-Yi Li, Yu-Hsun Chiu, Ming-Hung Chuang, Yi-Jung Chen
  • Patent number: 12111715
    Abstract: The present invention provides a memory structure, which is disposed on a first circuit board and connected electrically to a system power supply of a second circuit board. The memory structure comprises a plurality of memory unit, a power control component, and a display component. The power control component receives a first voltage of the system power supply. The power control component includes a power management unit and a linear voltage stabilizing unit. The display component includes a light-emitting unit and a control unit. The power control component provides a second voltage to the plurality of memory units using the power management unit. The linear voltage stabilizing unit provides a third voltage to the light-emitting unit and the control unit. The power management unit distributes the power supply to the plurality of memory units, the light-emitting unit, and the control unit for further usage.
    Type: Grant
    Filed: February 3, 2023
    Date of Patent: October 8, 2024
    Assignee: TEAM GROUP INC.
    Inventors: Yu Hsuan Yen, Hsi Lin Kuo, Wei Hsiang Wang, Chin Feng Chang
  • Publication number: 20240321881
    Abstract: A method includes forming an epitaxial stack including a first sacrificial layer, a channel layer, and a second sacrificial layer over a semiconductor substrate; patterning the epitaxial stack into a fin structure such that opposite first ends of the channel layer are exposed; recessing the opposite first ends of the channel layer; forming first dummy spacers on the recessed opposite first ends of the channel layer; forming an isolation structure in the fin structure; recessing a top surface of the isolation structure to a position lower than a bottom surface of the channel layer, such that opposite second ends of the channel layer are exposed; recessing the opposite second ends of the channel layer; forming second dummy spacers on the recessed opposite second ends of the channel layer; and replacing the first dummy spacers and the second dummy spacers with a metal gate structure.
    Type: Application
    Filed: March 22, 2023
    Publication date: September 26, 2024
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Xuan HUANG, Chi-Yu LU, Shang-Wen CHANG, Guan-Lin CHEN, Cheng-Chi CHUANG
  • Publication number: 20240324472
    Abstract: A semiconductor device includes: a substrate comprising a magnetic tunneling junction (MTJ) region and a logic region; a first MTJ on the MTJ region; a first metal interconnection on the logic region; and a cap layer extending from a sidewall of the first MTJ to a sidewall of the first metal interconnection. Preferably, the cap layer on the MTJ region and the cap layer on the logic region comprise different thicknesses.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Applicant: United Microelectronics Corp.
    Inventors: Hui-Lin Wang, Yu-Ping Wang, Chen-Yi Weng, Chin-Yang Hsieh, Si-Han Tsai, Che-Wei Chang, Jing-Yin Jhang
  • Publication number: 20240321787
    Abstract: A semiconductor device includes a conductive pad over an interconnect structure, wherein the conductive pad is electrically connected to an active device. The semiconductor device further includes a dielectric layer over the conductive pad, wherein the dielectric layer has a first conformity. The semiconductor device further includes a passivation layer over the dielectric layer, wherein the passivation layer has a second conformity different from the first conformity.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Inventors: Yu-Lung SHIH, Chao-Keng LI, Alan KUO, C. C. CHANG, Yi-An LIN
  • Patent number: 12087618
    Abstract: A method for sawing a semiconductor wafer is provided. The method includes sawing the semiconductor wafer with a first dicing blade to form a first opening. The semiconductor wafer includes a dicing tape and a substrate attached to the dicing tape. The first opening is formed in the upper portion of the substrate. The method also includes sawing the semiconductor wafer with a second dicing blade from the first opening to form a second opening under the first opening and in the middle portion of the substrate. The method further includes sawing the semiconductor wafer with a third dicing blade from the second opening to form a third opening under the second opening and penetrating the lower portion of the substrate, so that the semiconductor wafer is divided into two dies. The first dicing blade, the second dicing blade, and the third dicing blade have different widths.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: September 10, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yu-Sheng Tang, Fu-Chen Chang, Cheng-Lin Huang, Wen-Ming Chen, Chun-Yen Lo, Kuo-Chio Liu
  • Publication number: 20240296890
    Abstract: A memory device and method of making the same are disclosed. The memory device includes transistor devices located in both a memory region and a logic region of the device. Transistor devices in the memory region include sidewall spacers having a first oxide layer over a side surface of a gate structure, a first nitride layer over the first oxide layer, a second oxide layer over the first nitride layer, and a second nitride layer over the second oxide layer. Transistor devices in the logic region include sidewall spacers having a first oxide layer over a side surface of a gate structure, a first nitride layer over the first oxide layer, and a second nitride layer over the first nitride layer.
    Type: Application
    Filed: May 13, 2024
    Publication date: September 5, 2024
    Inventors: Chen-Ming Huang, Wen-Tuo Huang, Yu-Hsiang Yang, Yu-Ling Hsu, Wei-Lin Chang, Chia-Sheng Lin, ShihKuang Yang, Yu-Chun Chang, Hung-Ling Shih, Po-Wei Liu, Shih-Hsien Chen
  • Publication number: 20240297101
    Abstract: A packaging method, includes: providing a continuous multi-package structure, which includes a lead frame and a molding layer formed on the lead frame, wherein the lead frame includes a plurality of recesses formed on a bottom surface on a side of the lead frame opposite to the molding layer; forming a coating layer on the bottom surface, to cover the bottom surface and the recesses on the bottom surface; and mechanically cutting the continuous multi-package structure through the recesses, to separately form a plurality of packaging units, wherein in each of the packaging units, an exposed portion of the lead frame exposed in the recesses includes a step shape.
    Type: Application
    Filed: April 27, 2023
    Publication date: September 5, 2024
    Inventors: Yu-Lin Yang, Ming-Chih Hsu, Chun-Hao Chang
  • Publication number: 20240284078
    Abstract: A method for generating a customized WRONoC topology is proposed, which is executed by a computer, the method comprising using the computer to perform the following: providing design rules, design specs and a pre-assignment netlist; performing a topology initialization which an initial topology with a minimum number of MRRs is generated according to the netlist; performing a critical path-aware SA optimization to optimize the topology; and performing a wavelength assignment such that the wavelength used by each signal is determined.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 22, 2024
    Inventors: Yan-Lin CHEN, Wei-Che TSENG, Wei-Yao KAO, Yao-Wen CHANG, Yu-Tsang HSIEH
  • Publication number: 20240282713
    Abstract: A package structure includes a first redistribution circuit structure, a first semiconductor die, and a second semiconductor die. The first redistribution circuit structure has a first side and a second side opposite to the first side. The first semiconductor die is disposed over the firs side of the first redistribution circuit structure. The second semiconductor die is disposed over the second side of the first redistribution circuit structure and is electrically connected thereto, where the second semiconductor die includes a substrate, an interconnect structure disposed on the substrate, a plurality of conductive terminals disposed on and electrically connected to the interconnect structure, and a dielectric layer disposed on the interconnect structure and laterally covering the plurality of conductive terminals. A material of the dielectric layer included in the second semiconductor die is different from a material of a dielectric layer included in the first redistribution circuit structure.
    Type: Application
    Filed: February 22, 2023
    Publication date: August 22, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chen-Hsuan Tsai, Yu-Lin CHIANG, Chin-Chuan Chang, Ying-Ching Shih
  • Publication number: 20240272666
    Abstract: Disclosed herein are related to an integrated circuit to regulate a supply voltage. In one aspect, the integrated circuit includes a metal rail including a first point, at which a first functional circuit is connected, and a second point, at which a second functional circuit is connected. In one aspect, the integrate circuit includes a voltage regulator coupled between the first point of the metal rail and the second point of the metal rail. In one aspect, the voltage regulator senses a voltage at the second point of the metal rail and adjusts a supply voltage at the first point of the metal rail, according to the sensed voltage at the second point of the metal rail.
    Type: Application
    Filed: April 22, 2024
    Publication date: August 15, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Haruki Mori, Hidehiro Fujiwara, Zhi-Hao Chang, Yangsyu Lin, Yu-Hao Hsu, Yen-Huei Chen, Hung-Jen Liao, Chiting Cheng
  • Patent number: 12051896
    Abstract: A device is disclosed herein. The device includes a bias generator, an ESD driver, and a logic circuit. The bias generator includes a first transistor. The ESD driver includes a second transistor and a third transistor coupled to each other in series. The logic circuit is configured to generate a logic control signal. When the first transistor is turned on by a detection signal, the first transistor is turned off.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: July 30, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Po-Lin Peng, Yu-Ti Su, Chia-Wei Hsu, Ming-Fu Tsai, Shu-Yu Su, Li-Wei Chu, Jam-Wem Lee, Chia-Jung Chang, Hsiang-Hui Cheng