Patents by Inventor Bily Wang

Bily Wang 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: 7671373
    Abstract: An LED chip package structure using a ceramic material as a substrate includes a ceramic substrate, a conductive unit, a hollow ceramic casing, a plurality of LED chips, and a package colloid. The ceramic substrate has a main body, and a plurality of protrusions extended from three faces of the main body. The conductive unit has a plurality of conductive layers formed on the protrusions, respectively. The hollow casing is fixed on a top face of the main body to form a receiving space for exposing a top face of each conductive layer. The LED chips are received in the receiving space, and each LED chip has a positive electrode side and a negative electrode side respectively and electrically connected to different conductive layers. In addition, the packaging colloid is filled into the receiving space for covering the LED chips.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: March 2, 2010
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Jonnie Chuang, Chia-Hung Chen
  • Patent number: 7662661
    Abstract: A method of manufacturing a substrate structure includes the steps of: (1) providing a metal substrate having a metal portion; (2) chemically etching a plurality of trenches in the metal substrate; (3) applying a polymer composite material into the trenches to form a substrate having a polymer composite portion abutted to the metal portion; (4) polishing a surface of the substrate to make a height of the polymer composite portion equal to that of the metal portion; (5) forming a covering material on the surface of the substrate; and (6) cutting the substrate via the polymer composite portion for decreasing cutting bur produced on the metal portion. Furthermore, the method is provided for combining the metal substrate and the polymer composite material, thereby to increase cutting precision and strength of the substrate structure.
    Type: Grant
    Filed: December 16, 2005
    Date of Patent: February 16, 2010
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Jonnie Chuang, Hui-Yen Huang
  • Publication number: 20100032706
    Abstract: A wafer level LED package structure includes a light-emitting unit, a first conductive unit, a second conductive unit and an insulative unit. The light-emitting unit has a light-emitting body, a positive conductive layer and a negative conductive layer formed on the light-emitting body, and a first insulative layer formed between the positive conductive layer and the negative conductive layer. The first conductive unit has a first positive conductive layer formed on the positive conductive layer and a first negative conductive layer formed on the negative conductive layer. The second conductive unit has a second positive conductive layer formed on the first positive conductive layer and a second negative conductive layer formed on the first negative conductive layer. The insulative unit has a second insulative layer formed on the first insulative layer and disposed between the second positive conductive layer and the second negative conductive layer.
    Type: Application
    Filed: December 30, 2008
    Publication date: February 11, 2010
    Inventors: Bily Wang, Sung-Yi Hsiao, Jack Chen
  • Patent number: 7655997
    Abstract: A wafer-level electro-optical semiconductor fabrication mechanism and method for the same which improves upon traditional electro-optical semiconductor grain packaging methods. The present invention electrically connects semiconductor grains to the grains on a top surface of a wafer, this is done by either screen-printing or steel board-printing solder or silver paste onto the wafer. After that, the wafer is processed using the following steps: processing the devices, bonding with wire, packaging the wafer and finally cutting the wafer. Using this method raises the production yield while production times and costs are reduced. The wafer-level electro-optical semiconductor fabrication mechanism comprises: a wafer, an electro-optical semiconductor grain and conductive materials.
    Type: Grant
    Filed: January 26, 2005
    Date of Patent: February 2, 2010
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Jonnie Chuang, Chuan-Fa Lin, Chi-Wen Hung
  • Publication number: 20100006880
    Abstract: An LED chip package structure using sedimentation includes a package body, at least two conductive substrates, at least one light-emitting element, and a package unit. The package body has a receiving space. The two conductive substrates are received in the receiving space. The light-emitting element is received in the receiving space and electrically connected to the two conductive substrates. The package unit has a package colloid layer and a powder mixed into the package colloid layer, and the package unit is filled into the receiving space. The powder is uniformly deposited in the receiving space by maintaining the package unit at room temperature firstly and the powder is solidified in the receiving space by heating to a predetermined temperature.
    Type: Application
    Filed: June 4, 2009
    Publication date: January 14, 2010
    Inventors: Bily Wang, Shih-Yu Wu, Chao-Yuan Huang, Ping-Chou Yang, Cheng-Yen Chiang
  • Publication number: 20090316315
    Abstract: An LED chip package structure includes a conductive unit, a first package unit, an ESD unit, a second package unit, a light-emitting unit and a second package unit. The conductive unit has two conductive pins adjacent to each other which form a concave space between each other. The first package unit encloses one part of each conductive pin in order to form a receiving space communicating with the concave space and to expose an end side of each conductive pin. The ESD unit is received in the concave space and electrically connected between the two conductive pins. The second package unit is received in the concave space in order to cover the ESD unit. The light-emitting unit is received in the receiving space and electrically connected between the two conductive pins. The third package unit is received in the receiving space in order to cover the light-emitting unit.
    Type: Application
    Filed: October 1, 2008
    Publication date: December 24, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, PING-CHOU YANG, JIA-WEN CHEN
  • Publication number: 20090283881
    Abstract: A semiconductor chip package structure for achieving face-down electrical connection without using a wire-bonding process includes a package unit, a semiconductor chip, a substrate unit, a first insulative unit, a first conductive unit, a second conductive unit, and a second insulative unit. The semiconductor chip has a plurality of conductive pads. The first insulative unit has a first insulative layer formed between the conductive pads. The first conductive unit has a plurality of first conductive layers, and one side of each first conductive layer is electrically connected with the corresponding conductive pad. The second conductive unit has a plurality of second conductive layers respectively formed on the first conductive layers. The second insulative unit is formed between the first conductive layers and between the second conductive layers.
    Type: Application
    Filed: October 1, 2008
    Publication date: November 19, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, YUN-HAO CHANG, JACK CHEN
  • Publication number: 20090278159
    Abstract: A semiconductor chip package structure without substrates for achieving face-up electrical connection without using a wire-bonding process includes a package unit, a semiconductor chip, a first insulative unit, a first conductive unit, a second conductive unit, and a second insulative unit. The package unit has a central receiving groove for receiving the semiconductor chip. The semiconductor chip has a plurality of conductive pads. The first insulative unit has a first insulative layer formed between the conductive pads. The first conductive unit has a plurality of first conductive layers. The second conductive unit has a plurality of second conductive layers formed on the first conductive layers. The second insulative unit is formed between the first conductive layers and between the second conductive layers.
    Type: Application
    Filed: October 1, 2008
    Publication date: November 12, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: Bily WANG, Sung-Yi HSIAO, Yun-Hao CHANG, Jack CHEN
  • Patent number: 7614766
    Abstract: A modular illumination device with adjustable illumination modules includes a substrate, a rotating element, a reflective element, an adjustable element, and a light-emitting element. The rotating element is rotatably disposed on the substrate and rotates corresponding to the substrate. The reflective element pivots on the rotating element and pivots corresponding to the substrate. The adjustable element is moveably disposed on the substrate and is moved corresponding to the reflective element. The light-emitting element is disposed on the adjustable element. The modular illumination device can be adjusted to shine light at any angle or in any direction. Furthermore, a plurality of illumination modules are combined to form the modular illumination device. By adjusting the lighting range and direction of the illumination modules respectively, the illumination device has different illumination ranges.
    Type: Grant
    Filed: June 29, 2006
    Date of Patent: November 10, 2009
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Hui-Chung Lin, Shih-Yu 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: 20090251815
    Abstract: A testing system for inspecting electronic devices includes a first transparent disk, a first image capturing unit disposed under the first transparent disk, a second disk disposed next to the first transparent disk, a guiding unit disposed on adjacent area between the transparent disk and the second disk, and a plurality of second image capturing units disposed around the second disk. A plurality of electronic devices is continuingly supplied onto the first transparent disk and the first image capturing unit is used for capturing the images of the bottom surfaces of the electronic devices. Then, the electronic devices are guided to the second disk via the guiding unit and the second image capturing units are used for capturing the images of other surfaces of the electronic devices. A testing method for electronic devices is further disclosed.
    Type: Application
    Filed: September 30, 2008
    Publication date: October 8, 2009
    Inventors: Bily Wang, Kuei-Pao Chen, Hsin-Cheng Chen, Ming-Hao Chou
  • 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: 20090239319
    Abstract: A package for an LED, comprises a metal substrate, at least one LED chip, and an insulative housing, wherein the metal substrate has a first terminal and a second terminal, and the first terminal is formed with a recess. The at least one LED chip is arranged in the recess of the first terminal of the metal substrate, wherein the chip is electrically connected with the first terminal and the second terminal of the metal substrate. Since the insulative housing caps the chip and the metal substrate, and the LED package can be reduced in size.
    Type: Application
    Filed: April 17, 2009
    Publication date: September 24, 2009
    Inventors: Bily Wang, Jonnie Chuang, Hui-Yen Huang
  • Publication number: 20090230538
    Abstract: A semiconductor chip package structure for achieving face-up electrical connection without using a wire-bonding process includes a package unit, a semiconductor chip, a substrate unit, a first insulative unit, a first conductive unit, a second conductive unit, and a second insulative unit. The package unit has a central receiving groove and an outer receiving groove formed around the central receiving groove. The semiconductor chip has a plurality of conductive pads. The first insulative unit has a first insulative layer formed between the conductive pads. The first conductive unit has a plurality of first conductive layers. The second conductive unit has a plurality of second conductive layers formed on the first conductive layers. The second insulative unit is formed between the first conductive layers and between the second conductive layers.
    Type: Application
    Filed: October 1, 2008
    Publication date: September 17, 2009
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, YUN-HAO CHANG, JACK CHEN
  • 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: 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: 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: 20090213474
    Abstract: An optical object distance simulation device for reducing total optical path includes: a lens, an achromatic lens set, a first image lens, and a second image lens. The achromatic lens set disposes beside one side of the lens, the first image lens disposes beside one side of the achromatic lens set, and the second image lens disposes beside one side of the first image lens. The achromatic lens set is composed of a first lens and a second lens. The first lens is a double-concave lens. The second lens is a double-convex lens. One concave face of the double-concave tightly contacts with one convex face of the double-convex lens. Therefore, the lens, the achromatic lens set, the first image lens, and the second image lens match with each other in order to simulate real object distance for reducing an object distance between a test camera lens and a corresponding chart.
    Type: Application
    Filed: September 29, 2008
    Publication date: August 27, 2009
    Inventors: Bily Wang, Kuei-Pao Chen, Chih-Ming Wang, Jui-Wen Pan