Patents by Inventor I-Ming Liu

I-Ming 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: 20250018669
    Abstract: A method for preparing eye-tracking glasses, comprising the following steps: providing a substrate assembly, the substrate assembly comprising a functional film, the functional film being arranged on a surface of the substrate assembly, and electronic components being arranged on the surface of the functional film. Pressing an injection mold against the substrate assembly to form an injection cavity, and making the surface of the functional film with the electronic components face an interior of the injection cavity. Injecting and molding an optical adhesive in the injection cavity to form a lens, with the electronic components embedded in the lens. Demolding the injection mold from the lens, separating the functional film from the substrate assembly to obtain the eye-tracking glasses.
    Type: Application
    Filed: August 30, 2023
    Publication date: January 16, 2025
    Inventors: YING-HUNG TSAI, CHUNG-WU LIU, I-MING CHENG, YI-HUAN CHOU
  • Publication number: 20250018665
    Abstract: A method for preparing eye-tracking glasses: providing a substrate assembly, the substrate assembly comprising a functional film, the functional film being located on an outermost surface of the substrate assembly as a first surface, the first surface is provided with electronic components. Spraying a matching material towards the first surface, the matching material accumulating at least at a gap difference between the first surface and the electronic component. Providing a sealing layer, the sealing layer covering the first surface and the electronic components and the matching material disposed on the first surface. Providing a lens, the lens being connected to the functional film and the electronic components by the sealing layer.
    Type: Application
    Filed: September 5, 2023
    Publication date: January 16, 2025
    Inventors: YING-HUNG TSAI, CHUNG-WU LIU, I-MING CHENG, YI-HUAN CHOU
  • Patent number: 11899347
    Abstract: An imaging system including a housing, a light-splitting element, a light valve module, and a compensation module is provided. The light valve module is disposed on a transmission path of an illumination beam and is configured to convert the illumination beam into an image beam. The light-splitting element is disposed on the transmission path of the illumination beam and is configured to reflect the illumination beam and allow the image beam to pass through. The compensation module is disposed between the light valve module and the light-splitting element. The compensation module includes a carrier element and a compensation element. The carrier element includes a slot. The carrier element is configured to rotate around a rotation axis. The compensation element is disposed in the slot and is located on the transmission path of the illumination beam and a transmission path of the image beam.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: February 13, 2024
    Assignee: Coretronic Corporation
    Inventor: I-Ming Liu
  • Publication number: 20230109394
    Abstract: An imaging system including a housing, a light-splitting element, a light valve module, and a compensation module is provided. The light valve module is disposed on a transmission path of an illumination beam and is configured to convert the illumination beam into an image beam. The light-splitting element is disposed on the transmission path of the illumination beam and is configured to reflect the illumination beam and allow the image beam to pass through. The compensation module is disposed between the light valve module and the light-splitting element. The compensation module includes a carrier element and a compensation element. The carrier element includes a slot. The carrier element is configured to rotate around a rotation axis. The compensation element is disposed in the slot and is located on the transmission path of the illumination beam and a transmission path of the image beam.
    Type: Application
    Filed: December 30, 2021
    Publication date: April 6, 2023
    Applicant: Coretronic Corporation
    Inventor: I-Ming Liu
  • Patent number: 11561460
    Abstract: A projector includes an outer casing and a projection module. The outer casing has a front end surface, a projection opening, and at least one heat dissipation opening. The projection opening and the at least one heat dissipation opening are located at the front end surface. The projection module is disposed in the outer casing and includes a light source module configured to provide an illumination beam, a light valve configured to convert the illumination beam to an image beam, and a projection lens protruding from the front end surface and is configured to project the image beam out of the outer casing through the projection opening. The projection module is configured to rotate relative to the outer casing to change a projection direction of the image beam and may be embedded in a ceiling and present a better appearance, and the projection direction of the projector is less restricted.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: January 24, 2023
    Assignee: Coretronic Corporation
    Inventors: I-Ming Liu, Fan-Chieh Chang
  • Publication number: 20210318598
    Abstract: A projector includes an outer casing and a projection module. The outer casing has a front end surface, a projection opening, and at least one heat dissipation opening. The projection opening and the at least one heat dissipation opening are located at the front end surface. The projection module is disposed in the outer casing and includes a light source module configured to provide an illumination beam, a light valve configured to convert the illumination beam to an image beam, and a projection lens protruding from the front end surface and is configured to project the image beam out of the outer casing through the projection opening. The projection module is configured to rotate relative to the outer casing to change a projection direction of the image beam and may be embedded in a ceiling and present a better appearance, and the projection direction of the projector is less restricted.
    Type: Application
    Filed: April 7, 2021
    Publication date: October 14, 2021
    Applicant: Coretronic Corporation
    Inventors: I-Ming Liu, Fan-Chieh Chang
  • Publication number: 20210321536
    Abstract: A thin heat sink structure includes a housing and at least one heat dissipation plate. The housing is assembled from a first housing portion and a second housing portion and is formed therein with a receiving space. The heat dissipation plate is provided in the receiving space and is formed with at least one hollow flow channel by stamping. The flow channel is in communication with the first housing portion and the second housing portion. Two heat dissipation plates can be stacked in the receiving space in such a way that the two flow channels are linearly or angularly offset with respect to and overlap each other, and that the overlapping portions of the two flow channels form a hollow portion in communication with the two housing portions. The thin heat sink structure can be made into a large heat sink with high heat dissipation efficiency.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 14, 2021
    Inventor: I-MING LIU
  • Publication number: 20210084794
    Abstract: A PCM (phase change material)-based heat sink structure includes an evaporation unit, a condensation unit, and a connecting pipe. The evaporation unit has a first space provided with a plurality of spaced first partitions that are integrally formed by an aluminum extrusion process. The first partitions partition the first space into a plurality of first branch passages. The first partitions are formed with a first main passage communicating with each first branch passage. The condensation unit has a second space provided with a plurality of spaced second partitions that are integrally formed by an aluminum extrusion process. The second partitions partition the second space into a plurality of second branch passages. The second partitions are formed with a second main passage communicating with each second branch passage. The connecting pipe is connected between the condensation unit and the evaporation unit to form a circulating heat dissipation loop.
    Type: Application
    Filed: March 18, 2020
    Publication date: March 18, 2021
    Inventor: I-MING LIU
  • Patent number: 10921693
    Abstract: The disclosure provides a method and a projection device for focal length calibration. The projection device includes a distance sensor, a projection lens, and a controller. The method includes: defining, by the distance sensor, a detection area on a projection surface; dividing, by the controller, the detection area into a plurality of reference areas; detecting, by the distance sensor, a reference distance between the projection device and each reference area; finding, by the controller, at least one first area and at least one second area in the reference areas; and performing, by the controller, a focusing operation of the projection lens only based on the reference distance of each second area.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: February 16, 2021
    Assignee: Coretronic Corporation
    Inventors: Jui-Ta Liu, Chih-Hsiang Li, Yu-Chun Chen, I-Ming Liu
  • Publication number: 20200310230
    Abstract: The disclosure provides a method and a projection device for focal length calibration. The projection device includes a distance sensor, a projection lens, and a controller. The method includes: defining, by the distance sensor, a detection area on a projection surface; dividing, by the controller, the detection area into a plurality of reference areas; detecting, by the distance sensor, a reference distance between the projection device and each reference area; finding, by the controller, at least one first area and at least one second area in the reference areas; and performing, by the controller, a focusing operation of the projection lens only based on the reference distance of each second area.
    Type: Application
    Filed: April 28, 2019
    Publication date: October 1, 2020
    Applicant: Coretronic Corporation
    Inventors: Jui-Ta Liu, Chih-Hsiang Li, Yu-Chun Chen, I-Ming Liu
  • Patent number: 10215388
    Abstract: A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: February 26, 2019
    Assignee: Coretronic Corporation
    Inventors: I-Ming Liu, Fan-Chieh Chang
  • Publication number: 20150276191
    Abstract: A projector and a light source module including a light emitting diode element, a pin connector, and two power cords are provided. The light emitting diode element has a first electrode and a second electrode. The pin connector is disposed on the light emitting diode element and has two connection pins, wherein each connection pin has a first connection end and a second connection end, and the two first connection ends respectively contact the first electrode and the second electrode. The two power cords are respectively connected to the first electrode and the second electrode through the two connection pins, wherein each power cord includes a joint and a wire connected to each other, each joint and the corresponding second connection end are mutually plugged along a first axial direction, each wire extends out from the corresponding joint along a second axial direction perpendicular to the first axial direction.
    Type: Application
    Filed: December 29, 2014
    Publication date: October 1, 2015
    Applicant: Coretronic Corporation
    Inventors: I-Ming Liu, Fan-Chieh Chang
  • Patent number: 7952264
    Abstract: A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: May 31, 2011
    Assignee: Coretronic Corporation
    Inventors: Fan-Chieh Chang, I-Ming Liu, Wen-Yi Su
  • Publication number: 20100002392
    Abstract: The present invention provides an assembled heat sink structure including a base, a plurality of heat dissipating fins mounted on the top of the base, and a capillary device located inside the base, wherein the base is formed and assembled by an upper cover with a lower cover and the mountain-shaped fin-like device for diversion or capillary is located inside the base, so that after a plurality of heat dissipating fins are assembled on the top of the base, they can be welded to form an integration. Then, a heat dissipating medium can be poured into the airtight chamber of the base, and thus, when the base is contacted with the contact surface, the heat can be absorbed by an absorbing end of the base, transmitted to a plurality of heat dissipating fins on the top of the base and then exhausted by a fan, thereby achieving heat dissipating effect.
    Type: Application
    Filed: July 7, 2008
    Publication date: January 7, 2010
    Inventor: I-Ming LIU
  • Publication number: 20090289538
    Abstract: A lamp module suitable for a projector has an insulating base, a lamp, electrode lines, electrode terminals, electrode strips, conductive lines, an electrical connector and conductive terminals. The lamp is mounted on the insulating base. Each of the electrode lines has an end connected to the lamp. The electrode terminals are respectively connected to the other ends of the electrode lines. Each of the electrode strips has a first end and a second end, wherein the electrode terminals and the first ends are fastened on the insulating base, and the electrode terminals respectively contact the first ends. The electrical connector is connected to one ends of the conductive lines. The conductive terminals are respectively connected to another ends of the conductive lines. The conductive terminals and the second ends herein are fastened on the insulating base, and the conductive terminals respectively contact the second ends.
    Type: Application
    Filed: November 12, 2008
    Publication date: November 26, 2009
    Applicant: Coretronic Corporation
    Inventors: Fan-Chieh Chang, I-Ming Liu, Wen-Yi Su
  • Patent number: 7600931
    Abstract: A lens cap device having a cap protecting device, an actuating device, and a lens cap. The cap protecting device has a protecting cap with a lens exposure hole. The actuating device has a push element and an actuating element. The push element is slidably disposed on the cap protecting device. One end of the actuating element is pivotally connected on the cap protecting device to form a pivot point. The actuating element and the push element are linked together. The lens cap is slidably mounted on the cap protecting device. The lens cap is pivotally connected with the other end of the actuating element. The lens cap is driven by the actuating element to cover or open the lens exposure hole.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: October 13, 2009
    Assignee: Coretronic Corporation
    Inventors: Fan-Chieh Chang, I-Ming Liu
  • Publication number: 20070253706
    Abstract: A lens cap device having a cap protecting device, an actuating device, and a lens cap. The cap protecting device has a protecting cap with a lens exposure hole. The actuating device has a push element and an actuating element. The push element is slidably disposed on the cap protecting device. One end of the actuating element is pivotally connected on the cap protecting device to form a pivot point. The actuating element and the push element are linked together. The lens cap is slidably mounted on the cap protecting device. The lens cap is pivotally connected with the other end of the actuating element. The lens cap is driven by the actuating element to cover or open the lens exposure hole.
    Type: Application
    Filed: March 2, 2007
    Publication date: November 1, 2007
    Inventors: Fan-Chieh Chang, I-Ming Liu
  • Publication number: 20070229768
    Abstract: A projection apparatus including a projection module, a control unit, a housing, a wireless-receiving unit and a control panel is provided. The control unit is electrically connected to the projection module for controlling the projection module. The housing is suitable for accommodating the projection module and the control unit and has a concavity exposed outside. The wireless-receiving unit is disposed inside the housing and is electrically connected to the control unit. The control panel is detachably installed in the concavity. When the control panel is installed in the concavity, the control panel is electrically connected to the control unit such that the control panel is suitable for providing an electric signal to the control unit for controlling the projection module. When the control panel is detached from the concavity, the control panel is suitable for providing a wireless signal to the wireless-receiving unit for controlling the projection module.
    Type: Application
    Filed: December 28, 2006
    Publication date: October 4, 2007
    Applicant: CORETRONIC CORPORATION
    Inventors: CHENG-FENG HSIEH, FAN-CHIEH CHANG, I-MING LIU
  • Patent number: 6966359
    Abstract: A radiator plate rapid cooling apparatus includes a base deck and radiation fins located thereabove formed integrally by extrusion, forging or soldering. The base deck is located at the bottom end of the radiator plate and has passages formed by machining that house a capillary device placed therein or integrally formed by extrusion to become a double-layer passage loop. After being vacuumized, the loop is filled with a liquid or gas heat dissipation medium to the amount of 10% to 70% of the internal volume capacity of the passages. The base deck is in contact with a contact surface of a computer heat generating element. Heat may be concentrated on a heat absorption end of the base deck, transferred to the radiation fins, and be dispelled by a fan to improve heat dissipation.
    Type: Grant
    Filed: April 30, 2004
    Date of Patent: November 22, 2005
    Inventor: I-Ming Liu
  • Publication number: 20050241806
    Abstract: A radiator plate rapid cooling apparatus includes a base deck and radiation fins located thereabove formed integrally by extrusion, forging or soldering. The base deck is located at the bottom end of the radiator plate and has passages formed by machining that house a capillary device placed therein or integrally formed by extrusion to become a double-layer passage loop. After being vacuumized, the loop is filled with a liquid or gas heat dissipation medium to the amount of 10% to 70% of the internal volume capacity of the passages. The base deck is in contact with a contact surface of a computer heat generating element. Heat may be concentrated on a heat absorption end of the base deck, transferred to the radiation fins, and be dispelled by a fan to improve heat dissipation.
    Type: Application
    Filed: April 30, 2004
    Publication date: November 3, 2005
    Inventor: I-Ming Liu