Patents Assigned to Harvatek Corporation
  • Patent number: 9799810
    Abstract: A light emitting device includes a side-emitting assembly, a reflecting cup arranged on a side of the side-emitting assembly, and a package for accommodating the side-emitting assembly and the reflecting cup. The side-emitting assembly with a side surface includes a light emitting chip, a wavelength conversion layer coated on the light emitting chip, and a reflecting layer arranged above the wavelength conversion layer. The reflecting cup has an inner surface facing the side surface of the side-emitting assembly. The inner surface of the reflecting cup is a multifocal paraboloid. The multifocal paraboloid includes multistage paraboloids. The corresponding focal points of the multistage paraboloids are symmetrically distributed on the side surface of the side-emitting assembly.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: October 24, 2017
    Assignee: HARVATEK CORPORATION
    Inventors: Zhi-Ting Ye, Shyi-Ming Pan, Chia-Hung Pan, Ping-Lung Wang
  • Patent number: 9685428
    Abstract: A light-emitting array module includes a circuit substrate, a light-emitting unit, and an encapsulation body. The light-emitting unit includes a plurality of light-emitting groups arranged in matrix on the circuit substrate. The encapsulation body disposed on the circuit substrate for encapsulating the light-emitting groups. The encapsulation body includes a plurality of encapsulation portions and a plurality of thin connection portions. Therefore, light beams generated by the light-emitting group is transformed into an obvious single point light source without halation due to the design of “each thin connection portion connected between the two adjacent encapsulation portions to separate the two adjacent encapsulation portions from each other by a predetermined distance”, so that the color resolution of the light-emitting array module is increased. In addition, the present disclosure further provides a display device including the light-emitting array module.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: June 20, 2017
    Assignee: HARVATEK CORPORATION
    Inventor: Jen-Hung Chang
  • Patent number: 9563076
    Abstract: A display panel includes a substrate and a plurality of light emitting elements. The substrate has an inner edge and an outer edge opposite to each other. The inner edge is enclosed to form an enclosed opening. The light emitting elements are disposed on the substrate and enclose the enclosed opening to form an inner loop at the inner edge of the substrate and an outer loop at the outer edge of the substrate. The inner loop and the outer loop have similar shapes. A composite display panel is also disclosed.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: February 7, 2017
    Assignee: Harvatek Corporation
    Inventors: Ping-Lung Wang, Song-Yi Hsiao
  • Patent number: 9224718
    Abstract: A white light-emitting diode (LED) package containing plural blue LED chips is disclosed. The white LED package includes a transparent plate, plural blue LED chips bonded on a front surface of the transparent plate, a front fluorescent glue layer covering the plural blue LED chips, and a rear transparent glue layer covering a rear surface of the transparent plate and located at a position aligned with the front fluorescent glue layer. The edge of the rear transparent glue layer has an inclined lateral surface or a curved inclined lateral surface. Therefore, the light can be extracted from both front and rear surfaces, and the light extraction efficiency of the rear surface of the transparent plate is increased. The rear transparent glue layer can be replaced by a rear fluorescent glue layer to reduce the color temperature difference between the lights extracted from the front surface and the rear surface.
    Type: Grant
    Filed: November 11, 2013
    Date of Patent: December 29, 2015
    Assignee: Harvatek Corporation
    Inventors: Tsung-Kan Cheng, Chia-Chin Chen, Chia-Pin Chang
  • Patent number: 9074043
    Abstract: The present invention provides a compound of formula I wherein A, B and C are a repeating unit; each of A and B is an optionally substituted group for forming a conjugated polymer; C is a crosslinkable group; and n is an integer equal to or greater than 1. The present invention further provides an element and an electronic device using the compound of formula I, and more particularly, provides a light emitting diode (LED) device using the compound of formula I.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: July 7, 2015
    Assignees: HARVATEK CORPORATION
    Inventors: Feng-Chih Chang, Yu-Lin Chu, Chih-Chia Cheng
  • Publication number: 20140209934
    Abstract: A white light-emitting diode (LED) package containing plural blue LED chips is disclosed. The white LED package includes a transparent plate, plural blue LED chips bonded on a front surface of the transparent plate, a front fluorescent glue layer covering the plural blue LED chips, and a rear transparent glue layer covering a rear surface of the transparent plate and located at a position aligned with the front fluorescent glue layer. The edge of the rear transparent glue layer has an inclined lateral surface or a curved inclined lateral surface. Therefore, the light can be extracted from both front and rear surfaces, and the light extraction efficiency of the rear surface of the transparent plate is increased. The rear transparent glue layer can be replaced by a rear fluorescent glue layer to reduce the color temperature difference between the lights extracted from the front surface and the rear surface.
    Type: Application
    Filed: November 11, 2013
    Publication date: July 31, 2014
    Applicant: Harvatek Corporation
    Inventors: Tsung-Kan CHENG, Chia-Chin CHEN, Chia-Pin CHANG
  • Patent number: 8748209
    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: June 1, 2011
    Date of Patent: June 10, 2014
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Hung-Chou Yang, Jeng-Ru Chang
  • Publication number: 20140051826
    Abstract: The present invention provides a compound of formula I wherein A, B and C are a repeating unit; each of A and B is an optionally substituted group for forming a conjugated polymer; C is a crosslinkable group; and n is an integer equal to or greater than 1. The present invention further provides an element and an electronic device using the compound of formula I, and more particularly, provides a light emitting diode (LED) device using the compound of formula I.
    Type: Application
    Filed: August 17, 2012
    Publication date: February 20, 2014
    Applicants: HARVATEK CORPORATION
    Inventors: Feng-Chih Chang, Yu-Lin Chu, Chih-Chia Cheng
  • Patent number: 8623680
    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: Grant
    Filed: September 14, 2011
    Date of Patent: January 7, 2014
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Chao-Yuan Huang, Ping-Chou Yang, Cheng-Yen Chiang
  • Patent number: 8555492
    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: Grant
    Filed: December 28, 2011
    Date of Patent: October 15, 2013
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Sung-Yi Hsiao, Jack Chen
  • Patent number: 8556463
    Abstract: A simple detachable illumination lamp tube includes a tube unit, a heat-dissipating unit, a light-emitting unit, a support unit and a lateral cover unit. The tube unit has a light-permitting hollow tube. The heat-dissipating unit has a heat-dissipating substrate received in the light-permitting hollow tube. The heat-dissipating substrate has two opposite lateral sides contacting the inner surface of the light-permitting hollow tube. The light-emitting unit has a plurality of strip light-emitting modules received in the light-permitting hollow tube. The strip light-emitting modules are disposed on the heat-dissipating substrate and electrically connected in sequence. The support unit has a plurality of support elements received in the light-permitting hollow tube and disposed between a bottom side of the heat-dissipating substrate and the inner surface of the light-permitting hollow tube. The lateral cover unit has two lateral covers installed on two ends of the light-permitting hollow tube.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: October 15, 2013
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Chi-Tseng Chang, Chi-Kang Lo, Zhen Hao Fan
  • Patent number: 8398275
    Abstract: A lamp head assembly includes an outer head unit, an inner head unit, and an elastic pressing unit. The outer head unit includes at least two conductive pins. The inner head unit is disposed rotatably in the outer head unit. The elastic pressing unit is disposed movably in the outer head unit for selectively positioning the position of the inner head unit relative to the outer head unit or the position of the outer head unit relative to the inner head unit, wherein the elastic pressing unit includes a pressing element selectively exposed from the outer head unit.
    Type: Grant
    Filed: January 10, 2011
    Date of Patent: March 19, 2013
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Chi-Tseng Chang, Chi-Kang Lo, Zhen-Hao Fan
  • Patent number: 8263876
    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: Grant
    Filed: December 30, 2009
    Date of Patent: September 11, 2012
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Sung-Yi Hsiao, Jack Chen
  • Patent number: 8198800
    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: Grant
    Filed: September 26, 2008
    Date of Patent: June 12, 2012
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Patent number: 8183065
    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: October 1, 2010
    Date of Patent: May 22, 2012
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
  • Publication number: 20120119231
    Abstract: An LED package structure with a deposited-type phosphor layer includes a substrate unit, a light-emitting unit and a package unit. The substrate unit includes at least one circuit substrate. The light-emitting unit includes a plurality of LED chips disposed on and electrically connected to the at least one circuit substrate. The package unit includes at least one package resin body formed by a mold structure. The at least one package resin body is formed on the at least one circuit substrate to cover the LED chips, and the at least one package resin body includes a continuous phosphor layer formed therein and deposited on outer surfaces of the LED chips by centrifugal force. Hence, the instant disclosure provides the continuous phosphor layer with the deposited phosphor powders for covering the outer surfaces of the LED chips, thus the light-emitting efficiency of the LED package structure can be increased actually.
    Type: Application
    Filed: July 13, 2011
    Publication date: May 17, 2012
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, YU-JEN CHENG, JACK CHEN
  • Publication number: 20120122254
    Abstract: A white light-emitting diode package structure for simplifying package process includes a substrate unit, a light-emitting unit, a phosphor unit and a conductive unit. The light-emitting unit is disposed on the substrate, and the light-emitting unit has a positive conductive layer and a negative conductive layer. The phosphor unit has a phosphor layer formed on the light-emitting unit and at least two openings for respectively exposing one partial surface of the positive electrode layer and one partial surface of the negative electrode layer. The conductive unit has at least two conductive wires respectively passing through the two openings in order to electrically connect the positive electrode layer with the substrate unit and electrically connect the negative electrode layer with the substrate unit.
    Type: Application
    Filed: December 21, 2011
    Publication date: May 17, 2012
    Applicant: HARVATEK CORPORATION
    Inventors: BILY WANG, SUNG-YI HSIAO, JACK CHEN
  • Patent number: D659654
    Type: Grant
    Filed: June 26, 2011
    Date of Patent: May 15, 2012
    Assignee: Harvatek Corporation
    Inventor: Bily Wang
  • Patent number: D659655
    Type: Grant
    Filed: June 26, 2011
    Date of Patent: May 15, 2012
    Assignee: Harvatek Corporation
    Inventor: Bily Wang
  • Patent number: D660259
    Type: Grant
    Filed: June 30, 2011
    Date of Patent: May 22, 2012
    Assignee: Harvatek Corporation
    Inventors: Bily Wang, Wen-Kuei Wu, Ping-Chou Yang