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).
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Publication number: 20240170326Abstract: 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: ApplicationFiled: January 25, 2024Publication date: May 23, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai
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Patent number: 11923237Abstract: 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: GrantFiled: August 30, 2021Date of Patent: March 5, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chi-Ming Chen, Kuei-Ming Chen, Po-Chun Liu, Chung-Yi Yu, Chia-Shiung Tsai
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Patent number: 11754854Abstract: 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: GrantFiled: June 18, 2021Date of Patent: September 12, 2023Assignee: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu
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Publication number: 20220413292Abstract: 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: ApplicationFiled: June 29, 2021Publication date: December 29, 2022Applicant: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu
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Publication number: 20220404636Abstract: 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: ApplicationFiled: June 18, 2021Publication date: December 22, 2022Applicant: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu
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Patent number: 11366313Abstract: 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: GrantFiled: August 13, 2019Date of Patent: June 21, 2022Assignee: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu
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Patent number: 11327564Abstract: 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: GrantFiled: August 19, 2020Date of Patent: May 10, 2022Assignee: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang, Chung-Hsiang Chang
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Publication number: 20220057860Abstract: 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: ApplicationFiled: August 19, 2020Publication date: February 24, 2022Applicant: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang, Chung-Hsiang Chang
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Publication number: 20210373335Abstract: 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: ApplicationFiled: May 29, 2020Publication date: December 2, 2021Applicant: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu, Ching-Chia Chou, Sheng-Le Wang
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Publication number: 20210048667Abstract: 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: ApplicationFiled: August 13, 2019Publication date: February 18, 2021Applicant: HTC CorporationInventors: Meng-Che Tsai, Kuei-Chun Liu
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Publication number: 20210021743Abstract: 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: ApplicationFiled: July 19, 2019Publication date: January 21, 2021Applicant: HTC CorporationInventors: Chung-Hsiang Chang, Meng-Che Tsai, Kuei-Chun Liu
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Patent number: 10628614Abstract: 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: GrantFiled: December 27, 2017Date of Patent: April 21, 2020Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ching-Hung Wu, Kuei-Chun Liu, Yu-Yu Lai, Hsuan-Liang Chen, Yu-Chun Chiu
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Publication number: 20190147195Abstract: 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: ApplicationFiled: December 27, 2017Publication date: May 16, 2019Inventors: Ching-Hung WU, Kuei-Chun LIU, Yu-Yu LAI, Hsuan-Liang CHEN, Yu-Chun CHIU
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Patent number: 10139067Abstract: 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: GrantFiled: March 28, 2017Date of Patent: November 27, 2018Assignee: NATIONAL TAIWAN UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Tsung-Xian Lee, Ching-Chia Chou, Kuei-Chun Liu
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Publication number: 20180106451Abstract: 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: ApplicationFiled: March 28, 2017Publication date: April 19, 2018Inventors: Tsung-Xian LEE, Ching-Chia CHOU, Kuei-Chun LIU
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Publication number: 20180018307Abstract: 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: ApplicationFiled: December 28, 2016Publication date: January 18, 2018Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ching-Hung WU, Yu-Yu LAI, Kuei-Chun LIU, Hsiao-Han HUANG, Wei-Chuan LI
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Publication number: 20170160919Abstract: 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: ApplicationFiled: December 29, 2015Publication date: June 8, 2017Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Ching-Hung WU, Yu-Yu LAI, Kuei-Chun LIU, Tzi-Cker CHIUEH