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).
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Publication number: 20170051853Abstract: A pipe joint structure contains: a body, a connection ring, and a screwing nut. The body includes a hollow channel defined therein, a connecting tube surrounding around the hollow channel and having at least one open end, and a coupling section arranged adjacent to an end portion of an outer wall of the connecting tube. The connection ring includes an inner joining diameter for connecting with the coupling section. The screwing nut includes an internal orifice, an outer diameter of which is greater than the body and the connection ring. The internal orifice has first inner threads formed around inner wall thereof and has a limiting rib arranged on one end of the internal orifice facing to the body, wherein an outer diameter of the internal orifice is greater than an outer diameter of the body and is smaller than an outer diameter of the connection ring.Type: ApplicationFiled: August 18, 2015Publication date: February 23, 2017Inventor: Wen-Kuei Wu
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Patent number: 8198800Abstract: 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: GrantFiled: September 26, 2008Date of Patent: June 12, 2012Assignee: Harvatek CorporationInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Patent number: 8183065Abstract: 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: GrantFiled: October 1, 2010Date of Patent: May 22, 2012Assignee: Harvatek CorporationInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Patent number: 8162510Abstract: A 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: GrantFiled: September 29, 2008Date of Patent: April 24, 2012Assignee: Harvatek CorporationInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Patent number: 8138508Abstract: 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: GrantFiled: September 30, 2008Date of Patent: March 20, 2012Assignee: Harvatek CorporationInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Publication number: 20120049212Abstract: 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: ApplicationFiled: November 9, 2011Publication date: March 1, 2012Applicant: HARVATEK CORPORATIONInventors: BILY WANG, SHIH-YU WU, WEN-KUEI WU
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Publication number: 20120009700Abstract: A method of manufacturing a LED chip package structure includes the steps of: providing a substrate unit including a strip substrate body; electrically connecting a plurality of LED chips to the strip substrate body; and placing a strip package colloid body 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: ApplicationFiled: September 21, 2011Publication date: January 12, 2012Applicant: HARVATEK CORPORATIONInventors: BILY WANG, JONNIE CHUANG, WEN-KUEI WU
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Publication number: 20120001203Abstract: 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: ApplicationFiled: September 19, 2011Publication date: January 5, 2012Applicant: HARVATEK CORPORATIONInventors: BILY WANG, JONNIE CHUANG, WEN-KUEI WU
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Patent number: 8017969Abstract: 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: GrantFiled: September 25, 2008Date of Patent: September 13, 2011Assignee: Harvatek CorporationInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Patent number: 8002436Abstract: 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: GrantFiled: October 1, 2008Date of Patent: August 23, 2011Assignee: Harvatek CorportionInventors: Bily Wang, Shih-Yu Wu, Wen-Kuei Wu
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Publication number: 20110189803Abstract: 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: ApplicationFiled: April 15, 2011Publication date: August 4, 2011Applicant: HARVATEK CORPORATIONInventors: BILY WANG, SHIH-YU WU, WEN-KUEI WU
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Publication number: 20110156083Abstract: 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: ApplicationFiled: July 28, 2010Publication date: June 30, 2011Applicant: HARVATEK CORPORATIONInventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
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Publication number: 20110156060Abstract: 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: ApplicationFiled: July 28, 2010Publication date: June 30, 2011Applicant: HARVATEK CORPORATIONInventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
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Publication number: 20110157868Abstract: 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: ApplicationFiled: July 28, 2010Publication date: June 30, 2011Applicant: HARVATEK CORPORATIONInventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
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Publication number: 20110156061Abstract: 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: ApplicationFiled: July 28, 2010Publication date: June 30, 2011Applicant: HARVATEK CORPORATIONInventors: Bily Wang, Feng-Hui Chuang, Wen-Kuei Wu
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Patent number: 7951621Abstract: 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: GrantFiled: November 17, 2009Date of Patent: May 31, 2011Assignee: Harvatek CorporationInventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
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Patent number: 7923745Abstract: 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: GrantFiled: July 18, 2007Date of Patent: April 12, 2011Assignee: Harvatek CorporationInventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu
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Publication number: 20110020967Abstract: 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: ApplicationFiled: October 1, 2010Publication date: January 27, 2011Applicant: HARVATEK CORPORATIONInventors: BILY WANG, SHIH-YU WU, WEN-KUEI WU
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LED chip package structure with high-efficiency light-emitting effect and method of packing the same
Patent number: 7834365Abstract: 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: GrantFiled: September 12, 2007Date of Patent: November 16, 2010Assignee: Harvatek CorporationInventors: Bily Wang, Jonnie Chuang, Wen-Kuei Wu -
Patent number: D660259Type: GrantFiled: June 30, 2011Date of Patent: May 22, 2012Assignee: Harvatek CorporationInventors: Bily Wang, Wen-Kuei Wu, Ping-Chou Yang