Patents by Inventor Cheng-An Lu

Cheng-An Lu 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: 11901439
    Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.
    Type: Grant
    Filed: July 27, 2022
    Date of Patent: February 13, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu
  • Publication number: 20240038120
    Abstract: An electronic device including a plurality of pixels and a driving element is provided. Each of the plurality of pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel. The driving element drives each first sub-pixel of the plurality of pixels.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 1, 2024
    Applicant: Innolux Corporation
    Inventors: Chia-Hao Tsai, You-Cheng Lu, Yi-Shiuan Cherng, Wei-Yen Chiu
  • Publication number: 20240030358
    Abstract: A capacitor structure including a silicon material layer, a support frame layer, and a capacitor is provided. The support frame layer is disposed in the silicon material layer. The support frame layer has recesses. There is a cavity between two adjacent recesses. The support frame layer is located between the cavity and the recess. The support frame layer has a through hole directly above the cavity. The capacitor is disposed in the silicon material layer. The capacitor includes a first insulating layer and a first electrode layer. The first insulating layer is disposed on the support frame layer. The first electrode layer is disposed on the first insulating layer and fills the recess and the cavity.
    Type: Application
    Filed: September 16, 2022
    Publication date: January 25, 2024
    Applicant: Powerchip Semiconductor Manufacturing Corporation
    Inventors: Shih-Ping Lee, Yu-Cheng Lu, Chia-Hao Yu, Yeh-Yu Chiang
  • Publication number: 20240030802
    Abstract: The present disclosure discloses a power conversion system and a communication method for transmitting common mode information in the power conversion system. The communication method comprises the following steps: (a) providing at least two power conversion cells; (b) generating, by each of the power conversion cells, an AC harmonic according to a first electrical signal at the first terminal of the power conversion cell, wherein an amplitude of each AC harmonic represents first information of the power conversion cell, and all the AC harmonics are at the same frequency; and (c) injecting the AC harmonic generated by the corresponding power conversion cells into the first terminal of the corresponding power conversion cell and applying a closed-loop suppression to the AC harmonic generated by the corresponding power conversion cell, and controlling the resonance control unit to output a second electrical signal related to the first information.
    Type: Application
    Filed: May 30, 2023
    Publication date: January 25, 2024
    Inventors: Hong LIU, Wen ZHANG, Yuxin HAN, Cheng LU
  • Publication number: 20240022167
    Abstract: The present disclosure discloses a resonant converter, and a controlling method thereof. The resonant converter includes a transformer including a primary winding and a secondary winding, a primary circuit electrically connected to the primary winding and receiving an input voltage, and a secondary circuit electrically connected to the secondary winding and outputting an output voltage. The secondary circuit includes a first secondary half-bridge including a first controllable switch and a second secondary half-bridge including a second controllable switch connected in parallel. The first and second controllable switches are arranged diagonally. The method includes: controlling a duty ratio of one of the first controllable switch and the second controllable switch in a first switching period to form a first short-circuited loop during a first interval during; and controlling a duty ratio of the other one in a second switching period to form a second short-circuited loop during a second interval.
    Type: Application
    Filed: July 6, 2023
    Publication date: January 18, 2024
    Inventors: Hong LIU, Baihui SONG, Sanyuan OUYANG, Cheng LU
  • Publication number: 20240021706
    Abstract: A method includes performing an atomic layer deposition (ALD) process to form a dielectric layer on a wafer. The ALD process comprises an ALD cycle includes pulsing calypso ((SiCl3)2CH2), purging the calypso, pulsing ammonia, and purging the ammonia. The method further includes performing a wet anneal process on the dielectric layer, and performing a dry anneal process on the dielectric layer.
    Type: Application
    Filed: August 7, 2023
    Publication date: January 18, 2024
    Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu, Szu-Ying Chen
  • Patent number: 11866746
    Abstract: The present invention relates to variant Cas12i4 polypeptides, methods of producing the variant Cas12i4 polypeptides, processes for characterizing the variant Cas12i4 polypeptides, cells comprising the variant Cas12i4 polypeptides, and methods of using the variant Cas12i4 polypeptides. The invention further relates to complexes comprising a variant Cas12i4 polypeptide and an RNA guide, methods of producing the complexes, processes for characterizing the complexes, cells comprising the complexes, and methods of using the complexes.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: January 9, 2024
    Assignee: ARBOR BIOTECHNOLOGIES, INC.
    Inventors: Shaorong Chong, Wei-Cheng Lu, Brendan Jay Hilbert, Quinton Norman Wessells, Tia Marie Ditommaso, Anthony James Garrity
  • Patent number: 11865666
    Abstract: An apparatus for performing chemical mechanical polish on a wafer includes a polishing head that includes a retaining ring. The polishing head is configured to hold the wafer in the retaining ring. The retaining ring includes a first ring having a first hardness, and a second ring encircled by the first ring, wherein the second ring has a second hardness smaller than the first hardness.
    Type: Grant
    Filed: December 19, 2022
    Date of Patent: January 9, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Te-Chien Hou, Ching-Hong Jiang, Kuo-Yin Lin, Ming-Shiuan She, Shen-Nan Lee, Teng-Chun Tsai, Yung-Cheng Lu
  • Patent number: 11866418
    Abstract: Disclosed are compounds of formulae I and II, and pharmaceutically acceptable salts and prodrugs thereof, which are inhibitors of the complement system. Also provided are pharmaceutical compositions comprising such a compound, and methods of using the compounds and compositions in the treatment or prevention of a disease or condition characterized by aberrant complement system activity.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: January 9, 2024
    Assignee: BioCryst Pharmaceuticals, Inc.
    Inventors: Pravin L. Kotian, Yarlagadda S. Babu, Weihe Zhang, Peng-Cheng Lu, Minwan Wu, Wei Lv, Trung Xuan Nguyen, Zhao Dang, Venkat R. Chintareddy, V. Satish Kumar, Krishnan Raman
  • Patent number: 11862122
    Abstract: The disclosure provides a display device and another display device. The display device includes a display panel. The display panel has a functional display area. The functional display area includes a pixel. The pixel includes a white pixel and multiple display pixels. The display pixels surround at least a part of the white pixel, and the white pixel includes a pixel electrode. The another display device includes another display panel. The another display panel has a functional display area, and the functional display area includes a pixel and a signal line. The pixel includes a white pixel and multiple display pixels. The signal line includes a branch, and the branch is electrically connected to one of the display pixels. The display device and the another display device of the disclosure is capable of reducing the problem of diffraction or having a better optical sensing effect.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: January 2, 2024
    Assignee: Innolux Corporation
    Inventors: Chia-Hao Tsai, Ming-Jou Tai, Yi-Shiuan Cherng, Yu-Shih Tsou, You-Cheng Lu, Yung-Hsun Wu
  • Patent number: 11863065
    Abstract: A method for controlling a power module includes: configuring N cells in cascade connection, where N is a positive integer equal to or greater than 2, each cell comprising a bidirectional switching unit and a non-controlled rectifier bridge, the bidirectional switching unit being connected to central points of two bridge arms of the non-controlled rectifier bridge; controlling each cell to operate in one of three operating modes of a modulation mode, a bypass mode and a non-controlled rectifying mode, wherein in the N cells, m1 cells operate in the bypass mode, where 0?m1?M1, m2 cells operate in the non-controlled rectifying mode, where 0?m2?M2, m3 cells operate in the modulation mode and can realize power factor correction, where 0<m3; wherein m1+m2+m3=N, M1 is the allowable number of cells for bypass in the system, and M2 is the allowable number of cells for non-controlled rectification in the system.
    Type: Grant
    Filed: April 11, 2022
    Date of Patent: January 2, 2024
    Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.
    Inventors: Hong Liu, Wen Zhang, Dan Wang, Cheng Lu, Hongyang Wu
  • Patent number: 11863449
    Abstract: A communication device which is configured to receive a data flow includes a monitor port and a packet processor. The monitor port is configured to receive a packet of the data flow. The packet processor is coupled to the monitor port, and the packet processor is configured to compute a digest value of the packet and compute an identification code of the packet according to the digest value of the packet, and the packet processor searches a status value associated with the identification code in a lookup table so as to determine whether a dropping event of the data flow is recorded.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: January 2, 2024
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Kuo-Cheng Lu, Chun-Da Wu, Yu-Hsiu Lin
  • Publication number: 20230409280
    Abstract: A playback device is provided. The playback device includes a processor; an audio interface connected to the processor and configured to output audio; a communication interface connected to the processor and configured to communicate over a network; a memory operably connected to the processor; and instructions stored in the memory. The instructions are executable by the processor such that the playback device can receive an audio stream via a first wireless network; play back, via the audio interface, audio content based on the audio stream; while receiving the audio stream via the first wireless network, transmit an indication of availability of the audio stream; detect a request, from another playback device, to play back the audio stream; establish a second wireless network; detect that the other playback device has joined the second wireless network; and transmit the audio stream to the other playback device via the second wireless network.
    Type: Application
    Filed: June 14, 2023
    Publication date: December 21, 2023
    Inventors: Brenda Stefani, Christopher Babroski, Da-Hai Ding, Gary Anthony Matulis, Robert James Bermani, Zhaoyun Huang, Meng Wang, Joe Jingzhong Zheng, Cheng Lu
  • Publication number: 20230400741
    Abstract: A display device having a first region, a second region, and a third region set between the first region and the second region is provided. The display device includes a first sub-pixel, a second sub-pixel, and a first signal line. The first sub-pixel is arranged in the first region. The second sub-pixel is arranged in the second region, the area of the first sub-pixel is larger than the area of the second sub-pixel. The first signal line is arranged in the first region and the third region, and is electrically connected to the first sub-pixel and the second sub-pixel. At least a part of the first signal line extends in the first direction in the first region. At least another part of the first signal line extends in the second direction in the third region. The first direction is different from the second direction.
    Type: Application
    Filed: April 27, 2023
    Publication date: December 14, 2023
    Applicant: Innolux Corporation
    Inventors: You-Cheng Lu, Chia-Hao Tsai, Ming-Jou Tai, Yi-Shiuan Cherng, Yung-Hsun Wu
  • Publication number: 20230386937
    Abstract: Disclosed is a method of forming a semiconductor device. The method includes providing a precursor having a substrate and gate stacks over the substrate, wherein each of the gate stacks includes an electrode layer, a first hard mask (HM) layer over the electrode layer, and a second HM layer over the first HM layer. The method further includes depositing a dielectric layer over the substrate and the gate stacks and filling spaces between the gate stacks; and performing a first chemical mechanical planarization (CMP) process to partially remove the dielectric layer. The method further includes performing an etching process to remove the second HM layer and to partially remove the dielectric layer, thereby exposing the first HM layer. The method further includes performing a second CMP process to at least partially remove the first HM layer.
    Type: Application
    Filed: July 26, 2023
    Publication date: November 30, 2023
    Inventors: Yu-Jen Shen, Ying-Ho Chen, Yung-Cheng Lu
  • Patent number: 11831413
    Abstract: A time-division multiplexing (TDM) scheduler determines a service order for serving N packet transmission requesters. The TDM scheduler includes: N current count value generators configured to serve the N packet transmission requesters respectively, and generate N current count values according to parameters of the N packet transmission requesters, a previous scheduling result generated by the EDD scheduler previously, and a predetermined counting rule; and an earliest due date (EDD) scheduler configured to generate a current scheduling result for determining the service order according to the N current count values and a predetermined urgency decision rule, wherein an extremum of the N current count values relates to one of the N packet transmission requesters, and the EDD scheduler selects this requester as the one to be served preferentially.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: November 28, 2023
    Assignee: REALTEK SEMICONDUCTOR CORPORATION
    Inventors: Kuo-Cheng Lu, Yu-Mei Pan, Yung-Chang Lin
  • Patent number: 11823605
    Abstract: An electronic device including a plurality of pixels and a driving element is provided. Each of the plurality of pixels includes a first sub-pixel, a second sub-pixel, and a third sub-pixel. The driving element drives each first sub-pixel of the plurality of pixels.
    Type: Grant
    Filed: August 24, 2022
    Date of Patent: November 21, 2023
    Assignee: Innolux Corporation
    Inventors: Chia-Hao Tsai, You-Cheng Lu, Yi-Shiuan Cherng, Wei-Yen Chiu
  • Publication number: 20230369518
    Abstract: An optical sensing apparatus including: a substrate including a first material; an absorption region including a second material different from the first material; an amplification region formed in the substrate and configured to collect at least a portion of the photo-carriers from the absorption region and to amplify the portion of the photo-carriers; an interface-dopant region formed in the substrate between the absorption region and the amplification region; a buffer layer formed between the absorption region and the interface-dopant region; one or more field-control regions formed between the absorption region and the interface-dopant region and at least partially surrounding the buffer layer; and a buried-dopant region formed in the substrate and separated from the absorption region, where the buried-dopant region is configured to collect at least a portion of the amplified portion of the photo-carriers from the amplification region.
    Type: Application
    Filed: July 14, 2023
    Publication date: November 16, 2023
    Inventors: Yen-Cheng Lu, Yu-Hsuan Liu, Jung-Chin Chiang, Yun-Chung Na, Tsung-Ting Wu, Zheng-Shun Liu, Chou-Yun Hsu
  • Patent number: 11818187
    Abstract: Disclosed herein are playback devices, groups of playback devices, and methods of operating playback devices and groupings thereof to cause the playback devices in a mixed-mode configuration to play audio content in synchrony with each other.
    Type: Grant
    Filed: August 31, 2019
    Date of Patent: November 14, 2023
    Assignee: Sonos, Inc.
    Inventors: Hrishikesh Gossain, Cheng Lu, Zhaoyun Huang, Jeffrey Peters
  • Patent number: 11811310
    Abstract: Embodiments of the present disclosure provide a power conversion system and a control method. The power conversion system includes multiple power modules, and each power module includes a first port, a second port, and a third port, where the first port of each power module is connected to an external device, second ports of the power modules are independent of each other and used as independent ports to output power, third ports of the power modules are connected in parallel to form a power bus and power flow of the third port of each power module is bidirectional.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: November 7, 2023
    Assignee: Delta Electronics (Shanghai) Co., Ltd.
    Inventors: Cheng Lu, Hong Liu, Wenfei Hu, Jie Kong