Patents by Inventor Chun Liu

Chun Liu 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: 11847000
    Abstract: A portable electronic device including a first body, a second body, and a hinge mechanism is provided. The second body is connected to the first body through the hinge mechanism, and the hinge mechanism has a basis axis located at the first body and a rotation axis located at a lower end of the second body. When the second body rotates with respect to the first body, the rotation axis slides along an arc shaped path with respect to the basis axis to increase or decrease a distance between the rotation axis and the basis axis and increase or decrease a distance between the lower end of the second body and a back end of the first body.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: December 19, 2023
    Assignees: Acer Incorporated, Sinher Technology Inc.
    Inventors: Yi-Ta Huang, Cheng-Nan Ling, Chih-Chun Liu, Yung-Chang Chiang
  • Patent number: 11844156
    Abstract: An LED illumination device and a color temperature switching method thereof are provided. The LED illumination device includes a bridge rectifier chip, a microcontroller module, a first semiconductor switch module, a second semiconductor switch module, a first current limiting module, a second current limiting module, and a first light-emitting module and a second light-emitting module. The microcontroller module includes a microcontroller chip. The first semiconductor switch module includes a first semiconductor switch chip for receiving a first pulse width modulation signal output from the microcontroller chip. The second semiconductor switch module includes a second semiconductor switch chip for receiving a second pulse width modulation signal output from the microcontroller chip. When the AC power is supplied to the LED illumination device, the first and the second semiconductor switch modules are turned on and maintained within a predetermined turn-on percentage range without being completely turned off.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: December 12, 2023
    Assignee: PARAGON SEMICONDUCTOR LIGHTING TECHNOLOGY CO., LTD.
    Inventors: Chia-Tin Chung, Pei-Chun Liu, Yi-Chun Liu
  • Patent number: 11841743
    Abstract: An electronic device, including a host, a main display, an auxiliary display, and a lifting mechanism, is provided. The main display is pivoted to the host. The auxiliary display is disposed on the host. The lifting mechanism is disposed between the auxiliary display and the host. The lifting mechanism is configured to lift the auxiliary display and maintain a lifting height of the auxiliary display.
    Type: Grant
    Filed: March 9, 2023
    Date of Patent: December 12, 2023
    Assignee: Acer Incorporated
    Inventors: Chia-Bo Chen, Yi-Hsuan Yang, Chuan-Hua Wang, Chih-Chun Liu, Wu-Chen Lee
  • Publication number: 20230395643
    Abstract: A semiconductor device with an image sensor and a method of fabricating the same are disclosed. The method includes depositing a dielectric layer on a substrate, forming a trench within the dielectric layer and the substrate, forming an epitaxial structure within the trench, and forming a barrier layer with first and second layer portions. The first layer portion is formed on a sidewall portion of the trench that is not covered by the epitaxial structure. The method further includes forming a capping layer on the epitaxial structure and adjacent to the barrier layer, selectively doping regions of the epitaxial structure and the capping layer, selectively forming a silicide layer on the doped regions, depositing an etch stop layer on the silicide layer, and forming conductive plugs on the silicide layer through the etch stop layer.
    Type: Application
    Filed: August 8, 2023
    Publication date: December 7, 2023
    Applicant: Taiwan Semiconductor Manufacturing Co, Ltd.
    Inventors: Po-Chun LIU, Eugene I-Chun CHEN, Chun-Kai LAN
  • Publication number: 20230376201
    Abstract: A method of operating a computing system comprises defining a zoned namespace for non-volatile memory (NVM) of a memory device of the computing system, the zoned namespace including multiple NVM zones of multiple non-overlapping logical block addresses (LBAs) of the NVM, mapping persistence logging (PLOG) identifiers (IDs) to the NVM zones, a PLOG ID identifying a PLOG zone of one or more NVM zones, and performing a PLOG-specific access operation on a PLOG zone of the NVM in response to a PLOG-specific command received from a host device of the computing system.
    Type: Application
    Filed: August 3, 2023
    Publication date: November 23, 2023
    Applicant: Huawei Technologies Co., Ltd.
    Inventors: Chaohong Hu, Chun Liu, Xin Liao
  • Publication number: 20230378297
    Abstract: A method includes forming a gate structure over a silicon on insulator (SOI) substrate. The SOI substrate comprising: a base semiconductor layer; an insulator layer over the base semiconductor layer; and a top semiconductor layer over the insulator layer. The method further includes depositing a gate spacer layer over a top surface and along a sidewall of the gate structure; etching the gate spacer layer to define a gate spacer on the sidewall of the gate structure; after etching the gate spacer layer, etching a recess into the top semiconductor layer using a first etch process; and after the first etch process, extending the recess further into the top semiconductor layer using a second etch process. The first etch process is different from the second etch process. The method further includes forming a source/drain region in the recess after the second etch process.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 23, 2023
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu
  • Publication number: 20230378266
    Abstract: A device comprise a first semiconductor channel layer over a substrate, a second semiconductor channel layer over the first semiconductor channel layer, and source/drain epitaxial structures on opposite sides of the first semiconductor channel layer and opposite sides of the second semiconductor channel layer. A compressive strain in the second semiconductor channel layer is greater than a compressive strain in the first semiconductor channel layer. The source/drain epitaxial structures each comprise a first region interfacing the first semiconductor channel layer and a second region interfacing the second semiconductor channel layer, and the first region has a composition different from a composition of the second region.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Applicants: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., NATIONAL TAIWAN UNIVERSITY
    Inventors: Chung-En TSAI, Chia-Che CHUNG, Chee-Wee LIU, Fang-Liang LU, Yu-Shiang HUANG, Hung-Yu YEH, Chien-Te TU, Yi-Chun LIU
  • Publication number: 20230377946
    Abstract: A manufacturing method of a semiconductor device includes at least the following steps. A sacrificial substrate is provided. An epitaxial layer is formed on the sacrificial substrate. An etch stop layer is formed on the epitaxial layer. Carbon atoms are implanted into the etch stop layer. A capping layer and a device layer are formed on the etch stop layer. A handle substrate is bonded to the device layer. The sacrificial substrate, the epitaxial layer, and the etch stop layer having the carbon atoms are removed from the handle substrate.
    Type: Application
    Filed: August 1, 2023
    Publication date: November 23, 2023
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai
  • Patent number: 11824099
    Abstract: A method includes forming a gate structure over a silicon on insulator (SOI) substrate. The SOI substrate comprising: a base semiconductor layer; an insulator layer over the base semiconductor layer; and a top semiconductor layer over the insulator layer. The method further includes depositing a gate spacer layer over a top surface and along a sidewall of the gate structure; etching the gate spacer layer to define a gate spacer on the sidewall of the gate structure; after etching the gate spacer layer, etching a recess into the top semiconductor layer using a first etch process; and after the first etch process, extending the recess further into the top semiconductor layer using a second etch process. The first etch process is different from the second etch process. The method further includes forming a source/drain region in the recess after the second etch process.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: November 21, 2023
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu
  • Patent number: 11824077
    Abstract: In some embodiments, a semiconductor device is provided. The semiconductor device includes an epitaxial structure having a group IV chemical element disposed in a semiconductor substrate, where the epitaxial structure extends into the semiconductor substrate from a first side of the semiconductor substrate. A photodetector is at least partially arranged in the epitaxial structure. A first capping structure having a first capping structure chemical element that is different than the first group IV chemical element covers the epitaxial structure on the first side of the semiconductor substrate. A second capping structure is arranged between the first capping structure and the epitaxial structure, where the second capping structure includes the group IV chemical element and the first capping structure chemical element.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: November 21, 2023
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Po-Chun Liu, Chung-Yi Yu, Eugene Chen
  • Patent number: 11825576
    Abstract: An LED illuminating device without using a capacitor includes a surge absorber group, a three-phase rectifier bridge module, an LED chip group and a current-limiting chip group. The surge absorber group includes a first surge absorber electrically connected between the first and the second AC power input terminal, and a second surge absorber electrically connected between the second and the third AC power input terminal, and a third surge absorber electrically connected between the third and the first AC power input terminal. The three-phase rectifier bridge module is electrically connected to the first, the second and the third AC power input terminal. The LED chip group is electrically connected to the three-phase rectifier bridge module. The current-limiting chip group is electrically connected to the bridge rectifier group. The LED illuminating device can generate a lighting source through a three-phase power provided by a three-phase power supply.
    Type: Grant
    Filed: September 14, 2022
    Date of Patent: November 21, 2023
    Assignee: PARAGON SEMICONDUCTOR LIGHTING TECHNOLOGY CO., LTD.
    Inventors: Chia-Tin Chung, Pei-Chun Liu
  • Publication number: 20230369377
    Abstract: Various embodiments of the present disclosure are directed towards a method for forming an image sensor in which a device layer has high crystalline quality. According to some embodiments, a hard mask layer is deposited covering a substrate. A first etch is performed into the hard mask layer and the substrate to form a cavity. A second etch is performed to remove crystalline damage from the first etch and to laterally recess the substrate in the cavity so the hard mask layer overhangs the cavity. A sacrificial layer is formed lining cavity, a blanket ion implantation is performed into the substrate through the sacrificial layer, and the sacrificial layer is removed. An interlayer is epitaxially grown lining the cavity and having a top surface underlying the hard mask layer, and a device layer is epitaxially grown filling the cavity over the interlayer. A photodetector is formed in the device layer.
    Type: Application
    Filed: July 19, 2023
    Publication date: November 16, 2023
    Inventors: Po-Chun Liu, Yung-Chang Chang, Eugene I-Chun Chen
  • Publication number: 20230369269
    Abstract: A semiconductor device includes a substrate; an interconnect structure over the substrate; a first passivation layer over the interconnect structure; a first conductive pad, a second conductive pad, and a conductive line disposed over the first passivation layer and electrically coupled to conductive features of the interconnect structure; a conformal second passivation layer over and extending along upper surfaces and sidewalls of the first conductive pad, the second conductive pad, and the conductive line; a first conductive bump and a second conductive bump over the first conductive pad and the second conductive pad, respectively, where the first conductive bump and the second conductive bump extend through the conformal second passivation layer and are electrically coupled to the first conductive pad and the second conductive pad, respectively; and a dummy bump over the conductive line, where the dummy bump is separated from the conductive line by the conformal second passivation layer.
    Type: Application
    Filed: July 27, 2023
    Publication date: November 16, 2023
    Inventors: Ting-Li Yang, Po-Hao Tsai, Yi-Wen Wu, Sheng-Pin Yang, Hao-Chun Liu
  • Publication number: 20230369521
    Abstract: Some embodiments relate to an integrated circuit (IC) disposed on a silicon substrate, which includes a well region having a first conductivity type. An epitaxial pillar of SiGe or Ge extends upward from the well region. The epitaxial pillar includes a lower epitaxial region having the first conductivity type and an upper epitaxial region having a second conductivity type, which is opposite the first conductivity type. A dielectric layer is arranged over an upper surface of the substrate and is disposed around the lower epitaxial region to extend over outer edges of the well region. The dielectric layer has inner sidewalls that contact outer sidewalls of the epitaxial pillar. A dielectric sidewall structure has a bottom surface that rests on an upper surface of the dielectric layer and has inner sidewalls that extend continuously from the upper surface of the dielectric layer to a top surface of the epitaxial pillar.
    Type: Application
    Filed: July 12, 2023
    Publication date: November 16, 2023
    Inventors: Chih-Ming Chen, Lee-Chuan Tseng, Ming Chyi Liu, Po-Chun Liu
  • Publication number: 20230365508
    Abstract: The present disclosure is generally directed to an open time additive composition that includes at least two, different open time additives having the structure of Compound I, a salt thereof, or both.
    Type: Application
    Filed: September 14, 2021
    Publication date: November 16, 2023
    Inventors: Chun Liu, Kathryn Neely, Patrick Flaherty, Kevin Janak, Rochelle Bradford
  • Publication number: 20230356061
    Abstract: A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.
    Type: Application
    Filed: May 3, 2022
    Publication date: November 9, 2023
    Inventors: Wen-Kuei LIU, Hsiu-Feng CHEN, Chao-Hsuan LIU, Yu-Chun LIU, Yi-Shan LIU, Yu-Cheng LIU, Yan-Rui LIU
  • Publication number: 20230361148
    Abstract: In some embodiments, a method for forming a semiconductor device is provided. The method includes etching a substrate to form a recess within a surface of the substrate. An epitaxial material is formed within the recess, a capping structure is formed on the epitaxial material, and a capping layer is formed onto the capping structure. The capping layer laterally extends past an outermost sidewall of the capping structure. Dopants are implanted into the epitaxial material. Implanting the dopants into the epitaxial material forms a first doped region having a first doping type and a second doped region having a second doping type.
    Type: Application
    Filed: July 21, 2023
    Publication date: November 9, 2023
    Inventors: Po-Chun Liu, Chung-Yi Yu, Eugene Chen
  • Publication number: 20230352890
    Abstract: An electrical connector including an insulating body, a metal shielding member disposed in the insulating body, a plurality of terminals disposed in the insulating body, and an outer shell sheathed on the insulating body is provided. The metal shielding member has a leading edge, a pair of side edges bordered at two opposite sides of the leading edge, a protrusion located at the leading edge, and a plurality of openings. The leading and the side edges are protruded out of the insulating body. The openings are located between the leading and the side edges, and are concentrated at positions near the leading edge. Portions of the insulating body penetrate the openings.
    Type: Application
    Filed: December 26, 2022
    Publication date: November 2, 2023
    Applicant: Acer Incorporated
    Inventors: Yu-Shih Wang, Chih-Chun Liu, Cheng-Nan Ling, Wen-Chieh Tai
  • Patent number: D1003141
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: October 31, 2023
    Inventor: Yu-Chun Liu
  • Patent number: D1003681
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 7, 2023
    Inventor: Yu-Chun Liu