Patents by Inventor Wen-Kuei Wu

Wen-Kuei Wu 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: 7829901
    Abstract: An LED chip package structure with high-efficiency light-emitting effect includes a substrate unit, a light-emitting unit, a package colloid unit, and a frame unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit. The package colloid unit has a longitudinal package colloid covering the LED chips, and the longitudinal package colloid has a cambered colloid surface and a light-emitting colloid surface respectively formed on its top surface and a lateral surface thereof. The frame unit that is a frame layer covering the substrate unit and disposed around a lateral side of the longitudinal package colloid for exposing the light-emitting colloid surface of the longitudinal package colloid.
    Type: Grant
    Filed: September 29, 2008
    Date of Patent: November 9, 2010
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Patent number: 7815346
    Abstract: A method for calculating out an optimum arrangement pitch between each two LED chip package units, including: providing a backlight module with a predetermined brightness value and a predetermined material information that a customer needs; determining what brightness level and amount of LED chip package units need to be used by a designer according to the brightness value and the material information of the backlight module; and dividedly arranging the LED chip package units determined by the designer on a light-entering area of the backlight module in order to define what the optimum arrangement pitch between each two LED chip package units is.
    Type: Grant
    Filed: September 30, 2008
    Date of Patent: October 19, 2010
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20100099207
    Abstract: An LED chip package structure with high-efficiency light-emitting effect includes a substrate unit, a light-emitting unit, and a package colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body. Each LED chip has a positive electrode side and a negative electrode side respectively and electrically connected with the positive electrode trace and the negative electrode trace of the substrate unit. The package colloid unit has a plurality of package colloids respectively covered on the LED chips. Each package colloid has a colloid cambered surface and a colloid light-emitting surface respectively formed on a top surface and a front surface thereof.
    Type: Application
    Filed: November 17, 2009
    Publication date: April 22, 2010
    Inventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
  • Publication number: 20090261368
    Abstract: An LED chip package structure using a substrate as a lampshade includes a substrate unit and a light-emitting unit. The substrate unit has a substrate body with a lampshade shape. The light-emitting unit has a plurality of light-emitting elements electrically disposed on an inner surface of the substrate body. Therefore, one part of light beams projected by the light emitting elements is reflected out of the lampshade by the inner surface of the substrate body.
    Type: Application
    Filed: October 1, 2008
    Publication date: October 22, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SHIH-YU WU, WEN-KUEI WU
  • Publication number: 20090246897
    Abstract: An LED chip package structure includes a substrate unit, a light-emitting unit, and a colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace is respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body for generating light, wherein each of the LED chips has a positive side and a negative side respectively electrically connected with the positive electrode trace and the negative electrode trace. The colloid unit is covered over the substrate unit and the light-emitting unit for guiding the light from the light-emitting unit to form a series of light-generating areas on the colloid unit.
    Type: Application
    Filed: April 17, 2009
    Publication date: October 1, 2009
    Inventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
  • Publication number: 20090224265
    Abstract: An LED chip package structure with a high-efficiency heat-dissipating substrate includes a substrate unit, an adhesive body, a plurality of LED chips, package bodies and frame layers. The substrate unit has a positive substrate, a negative substrate, and a plurality of bridge substrates separated from each other and disposed between the positive and the negative substrate. The adhesive body is filled between the positive, the negative and the bridge substrates in order to connect and fix the positive substrate, the negative substrate and the bridge substrates together. The LED chips are disposed on the substrate unit and electrically connected between the positive substrate and the negative substrate. The package bodies are respectively covering the LED chips. The frame layers are respectively disposed around the packages bodies in order to form a plurality of light-projecting surfaces on the package bodies, and the light-projecting surfaces correspond to the LED chips.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 10, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090224266
    Abstract: An LED chip package structure applied to a backlight module includes a substrate unit, a light-emitting unit, a package body unit and an opaque unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit. The package body unit has a plurality of package bodies respectively covering the LED chips. The opaque unit has a plurality of opaque frame bodies formed on the substrate unit, and two opaque frame bodies are respectively formed on two lateral sides of each package body.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 10, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090224653
    Abstract: An LED chip package structure in order to prevent the light-emitting efficiency of fluorescent powder from decreasing due to high temperature includes a substrate unit, a light-emitting unit, a transparent colloid body unit, a fluorescent colloid body unit and a frame unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit. The transparent colloid body unit has a plurality of transparent colloid bodies respectively covering the LED chips. The fluorescent colloid body unit has a plurality of fluorescent colloid bodies respectively covering the transparent colloid bodies. The frame unit is covering the peripheries of each transparent colloid body and each fluorescent colloid body in order to expose the top surfaces of the fluorescent colloid body.
    Type: Application
    Filed: September 26, 2008
    Publication date: September 10, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090212304
    Abstract: An LED chip package structure with multifunctional integrated chips includes a substrate unit, a light-emitting unit, a chip unit, and a package colloid unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit. The chip unit is electrically arranged on the substrate unit, and the chip unit is arranged between the light-emitting unit and a power source. The package colloid unit covers the LED chips. The package colloid unit is a strip fluorescent colloid corresponding to the LED chips.
    Type: Application
    Filed: September 29, 2008
    Publication date: August 27, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090213378
    Abstract: A method for calculating out an optimum arrangement pitch between each two LED chip package units, including: providing a backlight module with a predetermined brightness value and a predetermined material information that a customer needs; determining what brightness level and amount of LED chip package units need to be used by a designer according to the brightness value and the material information of the backlight module; and dividedly arranging the LED chip package units determined by the designer on a light-entering area of the backlight module in order to define what the optimum arrangement pitch between each two LED chip package units is.
    Type: Application
    Filed: September 30, 2008
    Publication date: August 27, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090206350
    Abstract: An LED chip package structure with different LED spacing includes a substrate unit, a light-emitting unit, and a package colloid unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit, and the LEDs are separated from each other by totally different spacing or partially different spacing. For example, the spacings between each two LED chips are from rarefaction to condensation, from condensation to rarefaction, from center rarefaction to outer condensation, from center condensation to outer rarefaction, alternate rarefaction and condensation, or alternate condensation and rarefaction. The package colloid unit covers the LED chips.
    Type: Application
    Filed: September 30, 2008
    Publication date: August 20, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090152570
    Abstract: An LED chip package structure with high-efficiency light emission by rough surfaces includes a substrate unit, a light-emitting unit, and a package colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body. Each LED chip has a positive electrode side and a negative electrode side respectively and electrically connected with the positive electrode trace and the negative electrode trace of the substrate unit. The package colloid unit has a plurality of package colloids respectively covering the LED chips. Each package colloid has a cambered colloid surface and a light-emitting colloid surface respectively formed on its top surface and a lateral surface thereof.
    Type: Application
    Filed: September 25, 2008
    Publication date: June 18, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090146156
    Abstract: An LED chip package structure with high-efficiency light-emitting effect includes a substrate unit, a light-emitting unit, a package colloid unit, and a frame unit. The light-emitting unit has a plurality of LED chips electrically arranged on the substrate unit. The package colloid unit has a longitudinal package colloid covering the LED chips, and the longitudinal package colloid has a cambered colloid surface and a light-emitting colloid surface respectively formed on its top surface and a lateral surface thereof. The frame unit that is a frame layer covering the substrate unit and disposed around a lateral side of the longitudinal package colloid for exposing the light-emitting colloid surface of the longitudinal package colloid.
    Type: Application
    Filed: September 29, 2008
    Publication date: June 11, 2009
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20090065789
    Abstract: An LED chip package structure with high-efficiency light-emitting effect includes a substrate unit, a light-emitting unit, and a package colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body. Each LED chip has a positive electrode side and a negative electrode side respectively and electrically connected with the positive electrode trace and the negative electrode trace of the substrate unit. The package colloid unit has a plurality of package colloids respectively covered on the LED chips. Each package colloid has a colloid cambered surface and a colloid light-emitting surface respectively formed on a top surface and a front surface thereof.
    Type: Application
    Filed: September 12, 2007
    Publication date: March 12, 2009
    Inventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
  • Publication number: 20090020770
    Abstract: An LED chip package structure with high-efficiency light-emitting effect includes a substrate unit, a light-emitting unit, and a package colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body, and each LED chip has a positive electrode side and a negative electrode side respectively and electrically connected with the positive electrode trace and the negative electrode trace of the substrate unit. The package colloid unit has a plurality of package colloids respectively covered on the LED chips.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 22, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
  • Publication number: 20080012035
    Abstract: An LED chip package structure includes a substrate unit, a light-emitting unit, and a colloid unit. The substrate unit has a substrate body, and a positive electrode trace and a negative electrode trace is respectively formed on the substrate body. The light-emitting unit has a plurality of LED chips arranged on the substrate body for generating light, wherein each of the LED chips has a positive side and a negative side respectively electrically connected with the positive electrode trace and the negative electrode trace. The colloid unit is covered over the substrate unit and the light-emitting unit for guiding the light from the light-emitting unit to form a series of light-generating areas on the colloid unit.
    Type: Application
    Filed: July 11, 2006
    Publication date: January 17, 2008
    Inventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu