Patents by Inventor Kuei-Chun LIU

Kuei-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).

  • Publication number: 20240170326
    Abstract: A manufacturing method of a semiconductor device includes at least the following steps. A sacrificial substrate is provided. An etch stop layer is formed on the sacrificial substrate. A portion of the etch stop layer is oxidized to form an oxide layer between the sacrificial substrate and the remaining etch stop layer. A capping layer is formed on the remaining etch stop layer. A device layer is formed on the capping layer. A first etching process is performed to remove the sacrificial substrate. A second etching process is performed to remove the oxide layer. A third etching process is performed to remove the remaining etch stop layer. A power rail is formed on the capping layer opposite to the device layer.
    Type: Application
    Filed: January 25, 2024
    Publication date: May 23, 2024
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai
  • Patent number: 11923237
    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: Grant
    Filed: August 30, 2021
    Date of Patent: March 5, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai
  • Patent number: 11754854
    Abstract: A head mounted display including a first display, a second display, a third display, and an optical element is provided. The first display projects a first image to a first target area. The second display projects a second image to a second target area. The third display projects a third image. The optical element is disposed among the first target area, the second target area, the first display, the second display, and the third display. The optical element transmits the first image to the first target area and the second image to the second target area, and reflects the third image toward the first target area and the second target area.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: September 12, 2023
    Assignee: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu
  • Publication number: 20220413292
    Abstract: A virtual reality head mounted display includes a first display, a first lens, a second lens, a beam splitter coating and a second display. The first display generates a first display image beam on an active surface. The first lens has a first surface facing the active surface of the first display and a second surface opposite to the first surface. The second lens has a third surface and an opposite fourth surface. The beam splitter coating is disposed between the second surface of the first lens and the third surface of the second lens. The third surface of the second lens is attached to the second surface of the first lens through the beam splitter coating. The second display has an active surface facing the fourth surface of the second lens. The second display generates a second display image beam on the active surface.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 29, 2022
    Applicant: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu
  • Publication number: 20220404636
    Abstract: A head mounted display including a first display, a second display, a third display, and an optical element is provided. The first display projects a first image to a first target area. The second display projects a second image to a second target area. The third display projects a third image. The optical element is disposed among the first target area, the second target area, the first display, the second display, and the third display. The optical element transmits the first image to the first target area and the second image to the second target area, and reflects the third image toward the first target area and the second target area.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 22, 2022
    Applicant: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu
  • Patent number: 11366313
    Abstract: A head-mounted display device including a body, a display element, and two lens groups is provided. The display element is disposed on the body and is adapted to provide an image beam. The two lens groups are disposed on a transmission path of the image beam. Each the lens group includes a plurality of lenses, wherein one of the lenses has an astigmatism surface on at least one side of the display element. The astigmatism surface is non-rotationally symmetrical, and the image beam has astigmatic aberration after passing through the astigmatism surface.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 21, 2022
    Assignee: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu
  • Patent number: 11327564
    Abstract: An eye-tracking apparatus includes a first lens group, a light splitting device, a display, an image sensor, a second lens group, and a plurality of light sources. The light splitting device receives a first beam, generates a second beam, and transmits the second beam to a second surface of the first lens group. The display projects a reference mark to a target area through the light splitting device and the first lens group. The image sensor captures a detection image on the target area through the first lens group, the light splitting device, and the second lens group. The second lens group is disposed between the light splitting device and the image sensor. The light sources are disposed around the image sensor and project a plurality of beams to the target area through the first lens group, the light splitting device, and the second lens group.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: May 10, 2022
    Assignee: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang, Chung-Hsiang Chang
  • Publication number: 20220057860
    Abstract: An eye-tracking apparatus includes a first lens group, a light splitting device, a display, an image sensor, a second lens group, and a plurality of light sources. The light splitting device receives a first beam, generates a second beam, and transmits the second beam to a second surface of the first lens group. The display projects a reference mark to a target area through the light splitting device and the first lens group. The image sensor captures a detection image on the target area through the first lens group, the light splitting device, and the second lens group. The second lens group is disposed between the light splitting device and the image sensor. The light sources are disposed around the image sensor and project a plurality of beams to the target area through the first lens group, the light splitting device, and the second lens group.
    Type: Application
    Filed: August 19, 2020
    Publication date: February 24, 2022
    Applicant: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang, Chung-Hsiang Chang
  • Publication number: 20210373335
    Abstract: A head mounted display is provided, including a transmissive display, a first lens, a second lens, and a beam splitter coating. The transmissive display includes an active surface. The transmissive display generates a display image beam on the active surface. The first lens includes a first surface facing the active surface of the transmissive display, and a second surface opposite to the first surface. The second lens includes a third surface and a fourth surface opposite to each other. The beam splitter coating is disposed between the second surface of the first lens and the third surface of the second lens. The third surface of a second lens and the second surface of the first lens are attached to each other through the beam splitter coating, the first lens is a convex lens, and the second lens is a concave lens.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 2, 2021
    Applicant: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang
  • Publication number: 20210048667
    Abstract: A head-mounted display device including a body, a display element, and two lens groups is provided. The display element is disposed on the body and is adapted to provide an image beam. The two lens groups are disposed on a transmission path of the image beam. Each the lens group includes a plurality of lenses, wherein one of the lenses has an astigmatism surface on at least one side of the display element. The astigmatism surface is non-rotationally symmetrical, and the image beam has astigmatic aberration after passing through the astigmatism surface.
    Type: Application
    Filed: August 13, 2019
    Publication date: February 18, 2021
    Applicant: HTC Corporation
    Inventors: Meng-Che Tsai, Kuei-Chun Liu
  • Publication number: 20210021743
    Abstract: A handheld electronic device includes an optical imaging module, a case and a display device. The optical imaging module is adapted to receive a light beam. The optical imaging module includes a lens group, a linear polarization element, a beam splitting element, two reflection groups and a photosensitive element along an optical axis from an object side to an image side. The optical axis includes a first optical axis and a second optical axis that is not parallel to the first optical axis. The lens group, the linear polarization element, the beam splitting element and the photosensitive element are located on the first optical axis, the two reflection groups and the beam splitting element are located on the second optical axis, and the beam splitting element is disposed between the two reflection groups.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 21, 2021
    Applicant: HTC Corporation
    Inventors: Chung-Hsiang Chang, Meng-Che Tsai, Kuei-Chun Liu
  • Patent number: 10628614
    Abstract: A mobile communication device based on a virtual mobile infrastructure is provided, including: a display device for displaying a graphical user interface (GUI); a communication device for providing a network connection to a remote server; a storage device; and a controller for performing an input method switching method including the following operations during performing first application (APP) of remote server: displaying operation screen of first APP on GUI; receiving first notification indicating that remote input keyboard has enabled from remote server; in response, use local input keyboard of local input to cover remote input keyboard to enable a user uses local input method for inputting and to transmit user inputs to remote server to display user inputs on respective remote location; and receiving second notification indicating that remote input keyboard has disabled from remote server and in response, hide local input keyboard on operation screen.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: April 21, 2020
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Hung Wu, Kuei-Chun Liu, Yu-Yu Lai, Hsuan-Liang Chen, Yu-Chun Chiu
  • Publication number: 20190147195
    Abstract: A mobile communication device based on a virtual mobile infrastructure is provided, including: a display device for displaying a graphical user interface (GUI); a communication device for providing a network connection to a remote server; a storage device; and a controller for performing an input method switching method including the following operations during performing first application (APP) of remote server: displaying operation screen of first APP on GUI; receiving first notification indicating that remote input keyboard has enabled from remote server; in response, use local input keyboard of local input to cover remote input keyboard to enable a user uses local input method for inputting and to transmit user inputs to remote server to display user inputs on respective remote location; and receiving second notification indicating that remote input keyboard has disabled from remote server and in response, hide local input keyboard on operation screen.
    Type: Application
    Filed: December 27, 2017
    Publication date: May 16, 2019
    Inventors: Ching-Hung WU, Kuei-Chun LIU, Yu-Yu LAI, Hsuan-Liang CHEN, Yu-Chun CHIU
  • Patent number: 10139067
    Abstract: A laser car lamp includes a plurality of laser diodes, at least one light guide element, a phosphor element, and a lens. The light guide element has a laser light incident surface and a laser light exit surface. The phosphor element is located adjacent to the laser light exit surface of the light guide element, and the lens is located adjacent to the laser light incident surface of the light guide element. In addition, the laser diodes are arranged around the laser light incident surface of the light guide element.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: November 27, 2018
    Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Tsung-Xian Lee, Ching-Chia Chou, Kuei-Chun Liu
  • Publication number: 20180106451
    Abstract: A laser car lamp includes a plurality of laser diodes, at least one light guide element, a phosphor element, and a lens. The light guide element has a laser light incident surface and a laser light exit surface. The phosphor element is located adjacent to the laser light exit surface of the light guide element, and the lens is located adjacent to the laser light incident surface of the light guide element. In addition, the laser diodes are arranged around the laser light incident surface of the light guide element.
    Type: Application
    Filed: March 28, 2017
    Publication date: April 19, 2018
    Inventors: Tsung-Xian LEE, Ching-Chia CHOU, Kuei-Chun LIU
  • Publication number: 20180018307
    Abstract: Exemplary embodiments of a method of recording operations and Exemplary embodiments of a method of automatically executing operations are provided. The method of automatically executing operations applied on an electronic device includes: reading an operational log including an operational event, a node identifier, and a record of item layout corresponding to the operational event; receiving information of item layout, which corresponds to the operational frame, from the auxiliary function interface; determining, according to the at least one record of item layout and the information of item layout, whether the record of item layout corresponds to the operational frame; and sending an execution command of operation to the auxiliary function interface for execution of the execution command of operation according to the operational event and the node identifier only when the record of item layout corresponds to the operational frame.
    Type: Application
    Filed: December 28, 2016
    Publication date: January 18, 2018
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Hung WU, Yu-Yu LAI, Kuei-Chun LIU, Hsiao-Han HUANG, Wei-Chuan LI
  • Publication number: 20170160919
    Abstract: A performing method and a tracking method of a graphic user interface and an electronic device using the same are provided. The performing method of the graphical user interface includes the following steps. An application programming interface stored in advance is obtained. The application programming interface is unpacked to obtain a plurality of inputting actions. Each of the inputting actions has a time point. The inputting actions are adjusted according to an operating procedure to be performed, such that a plurality of virtual commands are obtained. The virtual commands are performed according to a sequence of the time points.
    Type: Application
    Filed: December 29, 2015
    Publication date: June 8, 2017
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Hung WU, Yu-Yu LAI, Kuei-Chun LIU, Tzi-Cker CHIUEH