Patents by Inventor Tin Po Chu

Tin Po Chu 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: 11788677
    Abstract: A hanger hanging multiple display modules is provided. Each display module has at least one rolling receiving portion. The hanger includes a hanger base and a first hanging structure disposed on the hanger base and including at least one first hanging slot corresponding to the rolling receiving portion of the display module. A rolling receiving portion of a first display module passes through the first hanging slot to hang the first display module on the first hanging structure. The first hanging slot includes a first guide section extending along a first direction and a second guide section extending along a second direction. The second guide section is connected to the first guide section. The rolling receiving portion reaches a first position by guidance of the first guide section and a second position by guidance of the second guide section. A display device using the hanger is further provided.
    Type: Grant
    Filed: November 25, 2020
    Date of Patent: October 17, 2023
    Assignees: Optoma Corporation, Lighthouse Technologies Ltd.
    Inventors: Chia Yu Li, Justin Nicholas Halls, Tin Po Chu
  • Publication number: 20210156510
    Abstract: A hanger hanging multiple display modules is provided. Each display module has at least one rolling receiving portion. The hanger includes a hanger base and a first hanging structure disposed on the hanger base and including at least one first hanging slot corresponding to the rolling receiving portion of the display module. A rolling receiving portion of a first display module passes through the first hanging slot to hang the first display module on the first hanging structure. The first hanging slot includes a first guide section extending along a first direction and a second guide section extending along a second direction. The second guide section is connected to the first guide section. The rolling receiving portion reaches a first position by guidance of the first guide section and a second position by guidance of the second guide section. A display device using the hanger is further provided.
    Type: Application
    Filed: November 25, 2020
    Publication date: May 27, 2021
    Applicants: Coretronic Corporation, Lighthouse Technologies Ltd.
    Inventors: Chia Yu Li, Justin Nicholas Halls, Tin Po Chu
  • Patent number: 9322517
    Abstract: A lighting apparatus using at least one light-emitting diode (“LED”), back-reflecting collection optics for LEDs, and an improved heat sink mounting apparatus which promotes efficient heat dissipation generated from the LED while minimizing light obstruction and glare. The lighting apparatus contains a main housing; a reflector disposed within the main housing, the reflector having a front side and a rear side; a top rim thermally coupled to one end of the main housing; a heat conducting body positioned to face the front side of the reflector, the heat conducting body comprising a heat pipe thermally coupled to the top rim; at least one light-emitting diode thermally coupled to the heat conducting body, the at least one light-emitting diode being positioned to face directly at the front side of the reflector so that light emitted from the at least one light-emitting diode is directed to the front side of the reflector.
    Type: Grant
    Filed: May 21, 2009
    Date of Patent: April 26, 2016
    Assignee: Huizhou Light Engine Ltd.
    Inventors: Tin Po Chu, Wa Hing Leung
  • Patent number: 9234646
    Abstract: A lighting apparatus contains a main housing; a reflector disposed within the main housing, and having a front side and a rear side; a heat conducting body comprising at least two heat pipes, wherein a first portion of the at least two heat pipes are parallel to a central axis of the lighting apparatus on the front side of the reflector, and a second portion of each of the at least two heat pipes is in the rear side of the reflector and is thermally coupled to the main housing; a heat conducting head located on the front side of the reflector, and is thermally coupled to the heat conducting body; at least two light-emitting diodes (“LEDs”) thermally coupled to the heat conducting body, and being positioned to face the front side of the reflector so that light emitted from the LEDs are directed to said front side.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: January 12, 2016
    Assignee: Huizhou Light Engine Ltd.
    Inventors: Tin Po Chu, Wa Hing Leung
  • Patent number: 8864344
    Abstract: The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction portion has a convex surface on the bottom and is attached with a plurality of micro lenses; the bottom attached with a micro lens array; the total internal reflection portion on the outer ring of the lens unit comprises a cylindrical light incident surface with a slight draft angle, and a total internal reflection surface on the outer side, which adopts a diamondoid polyhedral flake design; and the top of the lens unit is a smooth plane surface used as the light emitting surface.
    Type: Grant
    Filed: June 14, 2012
    Date of Patent: October 21, 2014
    Assignee: Huizhou Light Engine Limited
    Inventors: Jin Bo Jiang, Tin Po Chu, Wa Hing Leung
  • Publication number: 20130223081
    Abstract: The present invention relates to a secondary optical lens for a light emitting diode (“LED”) light projector, comprising at least one lens unit, wherein the lens unit consists of a refraction portion in the centre and a total internal reflection portion on the outer ring; the central refraction portion has a convex surface on the bottom and is attached with a plurality of micro lenses; the bottom attached with a micro lens array; the total internal reflection portion on the outer ring of the lens unit comprises a cylindrical light incident surface with a slight draft angle, and a total internal reflection surface on the outer side, which adopts a diamondoid polyhedral flake design; and the top of the lens unit is a smooth plane surface used as the light emitting surface.
    Type: Application
    Filed: June 14, 2012
    Publication date: August 29, 2013
    Inventors: Jin Bo Jiang, Tin Po Chu, Wa Hing Leung
  • Publication number: 20120195042
    Abstract: A lighting apparatus contains a main housing; a reflector disposed within the main housing, and having a front side and a rear side; a heat conducting body comprising at least two heat pipes, wherein a first portion of the at least two heat pipes are parallel to a central axis of the lighting apparatus on the front side of the reflector, and a second portion of each of the at least two heat pipes is in the rear side of the reflector and is thermally coupled to the main housing; a heat conducting head located on the front side of the reflector, and is thermally coupled to the heat conducting body; at least two light-emitting diodes. (“LEDs”) thermally coupled to the heat conducting body, and being positioned to face the front side of the reflector so that light emitted from the LEDs are directed to said front side.
    Type: Application
    Filed: February 21, 2012
    Publication date: August 2, 2012
    Inventors: Tin Po Chu, Wa Hing Leung
  • Publication number: 20090290349
    Abstract: A lighting apparatus using at least one light-emitting diode (“LED”), back-reflecting collection optics for LEDs, and an improved heat sink mounting apparatus which promotes efficient heat dissipation generated from the LED while minimizing light obstruction and glare. The lighting apparatus contains a main housing; a reflector disposed within the main housing, the reflector having a front side and a rear side; a top rim thermally coupled to one end of the main housing; a heat conducting body positioned to face the front side of the reflector, the heat conducting body comprising a heat pipe thermally coupled to the top rim; at least one light-emitting diode thermally coupled to the heat conducting body, the at least one light-emitting diode being positioned to face directly at the front side of the reflector so that light emitted from the at least one light-emitting diode is directed to the front side of the reflector.
    Type: Application
    Filed: May 21, 2009
    Publication date: November 26, 2009
    Inventors: Tin Po Chu, Wa Hing Leung