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).

  • Publication number: 20120003765
    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: September 14, 2011
    Publication date: January 5, 2012
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SHIH-YU WU, CHAO-YUAN HUANG, PING-CHOU YANG, CHENG-YEN CHIANG
  • Publication number: 20120001203
    Abstract: A LED chip package structure includes a substrate unit, a light-emitting unit, and a package unit. The substrate unit includes a strip substrate body. The light-emitting unit includes a plurality of LED chips disposed on the strip substrate body and electrically connected to the strip substrate body. The package unit includes a strip package colloid body disposed on the strip substrate body to cover the LED chips, wherein the strip package colloid body has an exposed top surface and an exposed surrounding peripheral surface connected between the exposed top surface and the strip substrate body, and the strip package colloid body has at least one exposed lens portion projected upwardly from the exposed top surface thereof and corresponding to the LED chips. Hence, light beams generated by the LED chips pass through the strip package colloid body to form a strip light-emitting area on the strip package colloid body.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 5, 2012
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, JONNIE CHUANG, WEN-KUEI WU
  • Patent number: 8079737
    Abstract: A reflection-type light-emitting module with high heat-dissipating and high light-generating efficiency includes a reflection-type lampshade unit, a heat pipe unit and a light-emitting unit. The reflection-type lampshade unit has an open casing, a receiving space formed in the open casing, and a first reflective structure is disposed in the receiving space and on an inner surface of the open casing. The heat pipe unit is received in the receiving space and is disposed on the open casing. The light-emitting unit is disposed on the heat pipe unit, and the light-emitting unit has a light-emitting face facing the inner surface of the open casing.
    Type: Grant
    Filed: April 20, 2009
    Date of Patent: December 20, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Ping-Chou Yang, Yu-Jen Cheng
  • Publication number: 20110304020
    Abstract: A wafer level vertical diode package structure includes a first semiconductor layer, a second semiconductor layer, an insulative unit, a first conductive structure, and a second conductive structure. The second semiconductor layer is connected with one surface of the first semiconductor layer. The insulative unit is disposed around a lateral side of the first semiconductor layer and a lateral side of the second semiconductor layer. The first conductive structure is formed on a top surface of the first semiconductor layer and on one lateral side of the insulative layer. The second conductive structure is formed on a top surface of the second semiconductor layer and on another opposite lateral side of the insulative layer.
    Type: Application
    Filed: August 25, 2011
    Publication date: December 15, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, JACK CHEN
  • Publication number: 20110300649
    Abstract: A method for fabricating a LED includes: providing a metal substrate; etching the metal substrate to form a first terminal, a second terminal, and a gap between the first terminal and the second terminal, wherein the first terminal has at least one first etching concave and the second terminal has at least one second etching concave; placing at least one LED chip in the at least one first etching concave, wherein the at least one LED chip has a first electrode and a second electrode; electrically connecting the first electrode with the first terminal, and electrically connecting the second electrode with the second terminal; and then covering the at least one LED chip with synthetic polymer, wherein the synthetic polymer is filled into the at least one first etching concave, the at least one second etching concave and the gap to connect the first terminal with the second terminal.
    Type: Application
    Filed: August 22, 2011
    Publication date: December 8, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, JONNIE CHUANG, HUI-YEN HUANG
  • Patent number: 8053961
    Abstract: The present invention is related to a color-mixture display unit and an image display apparatus using the same, wherein the image display apparatus includes at least one color-mixture pixel which is pre-disposed at plates of a light box so that a pattern is formed. Each of the color-mixture pixels is equipped with a red filter, a green filter and a blue filter, or equipped with a black filter or equipped with a transparent filter. At least one color-mixture LED is disposed within the light box and provides a backlight for the color-mixture pixel. In this regard, the color-mixture LEDs are controlled by an image controller and provide various color light beams with the color-mixture pixels. In addition, arrangement of each color filter within the color-mixture pixel is utilized so that color-mixture effect of dynamic image is shown.
    Type: Grant
    Filed: June 28, 2006
    Date of Patent: November 8, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Hui-Chung Lin
  • Patent number: 8053885
    Abstract: A wafer level vertical diode package structure includes a first semiconductor layer, a second semiconductor layer, an insulative unit, a first conductive structure, and a second conductive structure. The second semiconductor layer is connected with one surface of the first semiconductor layer. The insulative unit is disposed around a lateral side of the first semiconductor layer and a lateral side of the second semiconductor layer. The first conductive structure is formed on a top surface of the first semiconductor layer and on one lateral side of the insulative layer. The second conductive structure is formed on a top surface of the second semiconductor layer and on another opposite lateral side of the insulative layer.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: November 8, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Sung-Yi Hsiao, Jack Chen
  • Patent number: 8053904
    Abstract: A semiconductor chip package structure for achieving flip-chip electrical connection without using a wire-bonding process includes a package unit, a semiconductor chip, a first insulative layer, first conductive layers, a second insulative layer, and second conductive layers. The package unit has a receiving groove. The semiconductor chip is received in the receiving groove and has a plurality of conductive pads disposed on its top surface. The first insulative layer is formed between the conductive pads to insulate the conductive pads. The first conductive layers are formed on the first insulative layer and the package unit, and one side of each first conductive layer is electrically connected to the corresponding conductive pad. The second insulative layer is formed between the first conductive layers in order to insulate the first conductive layers from each other. The second conductive layers are respectively formed on the other opposite sides of the first conductive layers.
    Type: Grant
    Filed: December 29, 2009
    Date of Patent: November 8, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Hung-Chou Yang, Jeng-Ru Chang
  • Patent number: 8031930
    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: Grant
    Filed: September 30, 2008
    Date of Patent: October 4, 2011
    Assignee: Youngtek Electronics Corporation
    Inventors: Bily Wang, Kuei-Pao Chen, Hsin-Cheng Chen, Ming-Hao Chou
  • Publication number: 20110229991
    Abstract: A semiconductor chip package structure for achieving flip-chip electrical connection without using a wire-bonding process includes a package unit, a semiconductor chip, a first insulative layer, first conductive layers, a second insulative layer, and second conductive layers. The package unit has a receiving groove. The semiconductor chip is received in the receiving groove and has a plurality of conductive pads disposed on its top surface. The first insulative layer is formed between the conductive pads to insulate the conductive pads. The first conductive layers are formed on the first insulative layer and the package unit, and one side of each first conductive layer is electrically connected to the corresponding conductive pad. The second insulative layer is formed between the first conductive layers in order to insulate the first conductive layers from each other. The second conductive layers are respectively formed on the other opposite sides of the first conductive layers.
    Type: Application
    Filed: June 1, 2011
    Publication date: September 22, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, HUNG-CHOU YANG, JENG-RU CHANG
  • Patent number: 8017969
    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: Grant
    Filed: September 25, 2008
    Date of Patent: September 13, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20110215357
    Abstract: An LED package structure for increasing heat-dissipating efficiency includes providing a substrate element; removing one part of the substrate element in order to form at least two substrate bodies separated from each other and at least one gap between the at least two substrate bodies; forming at least one
    Type: Application
    Filed: January 11, 2011
    Publication date: September 8, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO
  • Patent number: 8002436
    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: Grant
    Filed: October 1, 2008
    Date of Patent: August 23, 2011
    Assignee: Harvatek Corportion
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Patent number: 8003413
    Abstract: An LED chip package structure includes a ceramic substrate, a conductive unit, a hollow ceramic casing, many LED chips, and a package colloid. The ceramic substrate has a main body, many protrusions extended from the main body, many penetrating holes respectively penetrating through the protrusions, and many half through holes formed on a lateral side of the main body and respectively formed between each two protrusions. The conductive unit has many first conductive layers respectively formed on the protrusions, many second conductive layers respectively formed on inner surfaces of the half through holes and a bottom face of the main body, and many third conductive layers respectively filled in the penetrating holes. The hollow ceramic casing is fixed on the main body to form a receiving space. The LED chips is received in the receiving space. The package colloid is filled in the receiving space for covering the LED chips.
    Type: Grant
    Filed: December 5, 2008
    Date of Patent: August 23, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Jonnie Chuang, Chia-Hung Chen
  • Publication number: 20110189803
    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: April 15, 2011
    Publication date: August 4, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SHIH-YU WU, WEN-KUEI WU
  • Publication number: 20110170317
    Abstract: A light-guiding structure with phosphor material layers includes a light-guiding unit, a light-emitting unit and a phosphor unit. The light-emitting unit is disposed beside an outer lateral side of the light-guiding unit. The phosphor unit is connected with the light-guiding unit and is disposed between the light-guiding unit and the light-emitting unit. In addition, the phosphor unit is formed or pasted on the lateral side of the light-guiding unit, and the light-emitting unit has a PCB substrate and a plurality of light-emitting elements electrically disposed on the PCB substrate and facing the light-guiding unit. Hence, light beams generated by the light-emitting elements of the light-emitting unit pass through the phosphor unit to form another light beams, and the light beams are guided into the light-guiding unit. Finally, the light beams are projected out from a light-exiting face of the light-guiding unit.
    Type: Application
    Filed: March 22, 2011
    Publication date: July 14, 2011
    Inventors: BILY WANG, JONNIE CHUANG
  • Publication number: 20110156083
    Abstract: A light emission module is provided. The light emission module includes a substrate, a plurality of LED chips disposed on the substrate, a fluorescent colloid and a package colloid surrounding the plurality of LED chips. The substrate includes a substrate body and a plurality of chip pads disposed thereon for carrying the LED chips. A plurality of via holes is formed passing through the chip pads and the substrate body to enhance the heat dissipation of the LED chips. The fluorescent colloid and the package colloid both have light guide structures to improve the color stability and the capacity to process the light shape of the light emission module.
    Type: Application
    Filed: July 28, 2010
    Publication date: June 30, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
  • Publication number: 20110155436
    Abstract: A conductive substrate structure includes a substrate unit, a conductive pad unit, and a conductive layer unit. The substrate unit has a top surface, a bottom surface, two opposite lateral surfaces, and a front surface. The conductive pad unit has at least two first conductive pads separated from each other and disposed on the top surface, and at least two second conductive pads separated from each other and disposed on the bottom surface. The conductive layer unit has at least two first conductive layers formed on the front surface and respectively electrically connected to two front sides of the two first conductive pads, and at least two second conductive layers respectively formed on the two opposite lateral surfaces and respectively electrically connected to two opposite lateral sides of the two second conductive pads. The two first conductive layers are respectively electrically connected with the two second conductive layers.
    Type: Application
    Filed: December 30, 2009
    Publication date: June 30, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, JACK CHEN
  • Publication number: 20110156061
    Abstract: A light emission module is provided. The light emission module includes a substrate, a plurality of LED chips disposed on the substrate, a fluorescent colloid and a package colloid surrounding the plurality of LED chips. The substrate includes a substrate body and a plurality of chip pads disposed thereon for carrying the LED chips. A plurality of via holes is formed passing through the chip pads and the substrate body to enhance the heat dissipation of the LED chips. The fluorescent colloid and the package colloid both have light guide structures to improve the color stability and the capacity to process the light shape of the light emission module.
    Type: Application
    Filed: July 28, 2010
    Publication date: June 30, 2011
    Applicant: HARVATEK CORPORATION
    Inventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
  • Patent number: D645421
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: September 20, 2011
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Sung-Yi Hsiao, Jack Chen