Patents by Inventor Cheng-Wei HUNG

Cheng-Wei HUNG 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: 9997676
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: June 12, 2018
    Assignee: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Patent number: 9978718
    Abstract: A light-emitting device is provided. The light-emitting device includes a substrate having a long edge and a short edge, at least one electrode pad assembly, and at least one light-emitting element. The at least one electrode pad assembly is disposed on the substrate and includes a first electrode pad and a second electrode pad. The at least one light-emitting element has a plurality of electrodes electrically connected to the first electrode pad and the second electrode pad of the at least one electrode pad assembly. The first electrode pad and the second electrode pad are arranged along a direction parallel to the short side.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: May 22, 2018
    Assignee: GENESIS PHOTONICS INC.
    Inventors: Cheng-Wei Hung, Yu-Feng Lin
  • Publication number: 20180138378
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a translucent layer, an adhesive layer, a reflective layer and translucent encapsulant. The light-emitting component is disposed on the substrate. The adhesive layer is formed between the light-emitting component and the translucent layer. The reflective layer is formed above the substrate and covering a lateral surface of the light-emitting component, a lateral surface of the adhesive layer and a lateral surface of the translucent layer. The translucent encapsulant is formed on the substrate and encapsulating the light-emitting component, the translucent layer and the reflective layer.
    Type: Application
    Filed: October 19, 2017
    Publication date: May 17, 2018
    Inventors: Chin-Hua Hung, Cheng-Wei Hung, Yu-Feng Lin, Cheng-Chuan Chen
  • Publication number: 20180123001
    Abstract: A light-emitting device including at least one light-emitting unit, a wavelength conversion adhesive layer, and a reflective protecting element is provided. The light-emitting unit has an upper surface and a lower surface opposite to each other. The light-emitting unit includes two electrode pads, and the two electrode pads are located on the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface. The wavelength conversion adhesive layer includes a low-concentration fluorescent layer and a high-concentration fluorescent layer. The high-concentration fluorescent layer is located between the low-concentration fluorescent layer and the light-emitting unit. The width of the high-concentration fluorescent layer is WH. The width of the low-concentration fluorescent layer is WL. The width of the light-emitting unit is WE. The light-emitting device further satisfies the following inequalities: WE<WL, WH<WL and 0.8<WH/WE?1.2.
    Type: Application
    Filed: October 19, 2017
    Publication date: May 3, 2018
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Long-Chi Tu, Jui-Fu Chang, Chun-Ming Tseng, Yun-Chu Chen
  • Patent number: 9922963
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: March 20, 2018
    Assignee: GENESIS PHOTONICS INC.
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Patent number: 9882096
    Abstract: An edge lighting light emitting diode (LED) structure and a method of manufacturing the same are provided. The edge lighting LED structure includes a substrate, an electrode pattern, a chip, an encapsulation layer and a fluorescent layer. The electrode pattern at least includes two first conducting portions separately disposed on an upper surface of the substrate, two second conducting portions separately disposed on a lower surface of the substrate, and two conducting holes separately vertically penetrating through the substrate, each conducting hole connects a first conducting portion and a second conducting portion, and the conducting holes are exposed on a lateral surface of the substrate. A second surface of the chip is disposed on the first conducting portions. A top surface of the encapsulation layer exposes and is aligned with the first surface of the chip. The fluorescent layer covers a first surface of the chip.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: January 30, 2018
    Assignee: GENESIS PHOTONICS INC.
    Inventors: Cheng-Wei Hung, Yu-Feng Lin
  • Publication number: 20170084587
    Abstract: A light-emitting device includes a substrate, a light-emitting component, a wavelength conversion component, an adhesive and a reflective layer. The light-emitting component is disposed on the substrate. The wavelength conversion component includes a high-density phosphor layer and a lower-density phosphor layer. The adhesive is formed between the light-emitting device and the high-density phosphor layer. The reflective layer is formed above the substrate and covers a lateral surface of the light-emitting component, a lateral surface of the adhesive and a lateral surface of the wavelength conversion component.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 23, 2017
    Inventors: Cheng-Wei Hung, Jui-Fu Chang, Chin-Hua Hung, Yu-Feng Lin
  • Publication number: 20170084800
    Abstract: A light emitting device package structure includes at least one light emitting device, a wavelength conversion adhesive layer, and a protection element. The light emitting device has an upper surface, a lower surface opposite to the upper surface, and a side surface connecting the upper surface and the lower surface. The wavelength conversion adhesive layer is disposed on the upper surface of the light emitting device and has a first edge and a second edge opposite to each other. The protection element encapsulates the side surface of the light emitting device and the second edge of the wavelength conversion adhesive layer and exposes the lower surface of the light emitting device. A third edge of the protection element is aligned with the first edge of the wavelength conversion adhesive layer.
    Type: Application
    Filed: September 19, 2016
    Publication date: March 23, 2017
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Po-Tsun Kuo, Long-Chi Du, Jui-Fu Chang, Yu-Feng Lin
  • Publication number: 20170005238
    Abstract: A light emitting device includes a wavelength conversion layer, at least one light emitting unit and a reflective protecting element. The wavelength conversion layer has an upper surface and a lower surface opposite to each other. The light emitting unit has two electrode pads located on the same side of the light emitting unit. The light emitting unit is disposed on the upper surface of the wavelength conversion layer and exposes the two electrode pads. The reflective protecting element encapsulates at least a portion of the light emitting unit and a portion of the wavelength conversion layer, and exposes the two electrode pads of the light emitting unit.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 5, 2017
    Applicant: Genesis Photonics Inc.
    Inventors: Cheng-Wei Hung, Chin-Hua Hung, Long-Chi Du, Jui-Fu Chang, Po-Tsun Kuo, Hao-Chung Lee, Yu-Feng Lin
  • Publication number: 20160276293
    Abstract: A light-emitting device is provided. The light-emitting device includes a substrate having a long edge and a short edge, at least one electrode pad assembly, and at least one light-emitting element. The at least one electrode pad assembly is disposed on the substrate and includes a first electrode pad and a second electrode pad. The at least one light-emitting element has a plurality of electrodes electrically connected to the first electrode pad and the second electrode pad of the at least one electrode pad assembly. The first electrode pad and the second electrode pad are arranged along a direction parallel to the short side.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Cheng-Wei Hung, Yu-Feng Lin
  • Publication number: 20160276546
    Abstract: A chip package structure and method of manufacturing the same are provided. The chip package structure includes a substrate with a carrier surface, a chip having a first surface and a second surface positioned oppositely and a side surface connecting the first surface and the second surface, an encapsulation layer and a fluorescent layer. The second surface of the chip is disposed on the carrier surface of the substrate. The fluorescent layer fully covers the first surface of the chip. The encapsulation layer covers the carrier surface of the substrate and the side surface of the chip. A reflectivity of the encapsulation layer is at least greater than 90%.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Hao-Chung Lee, Chin-Hua Hung, Cheng-Wei Hung, Jui-Fu Chang, Yu-Feng Lin
  • Publication number: 20160276320
    Abstract: A semiconductor light-emitting device that includes a substrate, at least one light-emitting unit arranged on the substrate, a phosphor layer at least covering an upper surface of the at least one light-emitting unit, and a reflective layer arranged on the substrate is provided. The reflective layer surrounds the at least one light-emitting unit. A manufacturing method of a semiconductor light-emitting device is also provided.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Chin-Hua Hung, Yu-Feng Lin, Cheng-Wei Hung, Hao-Chung Lee, Xun-Xain Zhan
  • Publication number: 20160276547
    Abstract: An edge lighting light emitting diode (LED) structure and a method of manufacturing the same are provided. The edge lighting LED structure includes a substrate, an electrode pattern, a chip, an encapsulation layer and a fluorescent layer. The electrode pattern at least includes two first conducting portions separately disposed on an upper surface of the substrate, two second conducting portions separately disposed on a lower surface of the substrate, and two conducting holes separately vertically penetrating through the substrate, each conducting hole connects a first conducting portion and a second conducting portion, and the conducting holes are exposed on a lateral surface of the substrate. A second surface of the chip is disposed on the first conducting portions. A top surface of the encapsulation layer exposes and is aligned with the first surface of the chip. The fluorescent layer covers a first surface of the chip.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Cheng-Wei Hung, Yu-Feng Lin
  • Publication number: 20160123565
    Abstract: A circuit board for driving a flip-chip light emitting chip is disclosed. The circuit board includes a metal substrate having a first surface and a second surface, the first surface including a first electrode area, a second electrode area and a heat conduction area; a first metal electrode formed on the first electrode area for providing a first voltage; a first insulation layer formed between the first metal electrode and the metal substrate; a second metal electrode formed on the second electrode area for providing a second voltage; a second insulation layer formed between the second metal electrode and the metal substrate; and a solder resist layer covering the first surface; wherein the heat conduction area is exposed from the solder resist layer.
    Type: Application
    Filed: October 29, 2015
    Publication date: May 5, 2016
    Inventors: Cheng-Wei Hung, Meng-Ting Tsai, Yu-Feng Lin
  • Publication number: 20160118561
    Abstract: The invention relates to a circuit structure of a flip-chip light emitting diode. It is provided for assembling of the flip-chip light emitting diode. Each flip-chip light emitting diode has at least two electrodes. The circuit structure defines a light emitting surface on a surface of a substrate, and the light emitting surface is provided with a plurality of reflective and conductive surfaces. The reflective and conductive surface is used for assembling of the electrodes of the flip-chip light emitting diode. At least one flip-chip light emitting diode is connected in series, parallel or series-parallel on the light emitting surface, wherein the total area of the reflective and conductive surface accounts for 80% to 99% of the area of the light emitting surface.
    Type: Application
    Filed: June 8, 2015
    Publication date: April 28, 2016
    Inventors: Cheng-Wei Hung, Meng-Ting Tsai, Yu-Feng Lin
  • Patent number: 8735915
    Abstract: A LED (Light-Emitting Diode) lighting fixture and a manufacturing method thereof are disclosed. The LED lighting fixture comprises a LED module generating light at a wavelength range of 300-700 nm, a lamp cover shielding the LED module, and a phosphor layer. The phosphor layer which is coated on an inner surface towards the LED module comprises at least two types of phosphor mixed at a default ratio for transforming the light of 300-700 nm in wavelength to luminary light in the wavelength range of 400-700 nm.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: May 27, 2014
    Assignee: Lextar Electronics Corporation
    Inventors: Chih-Hao Lin, Cheng-Wei Hung, Kun-Hua Wu, Chao-Hsien Wang, Po-Chang Chen, Chih-Ping Lo, Po-Chang Chen
  • Publication number: 20120326184
    Abstract: A LED (Light-Emitting Diode) lighting fixture and a manufacturing method thereof are disclosed. The LED lighting fixture comprises a LED module generating light at a wavelength range of 300-700 nm, a lamp cover shielding the LED module, and a phosphor layer. The phosphor layer which is coated on an inner surface towards the LED module comprises at least two types of phosphor mixed at a default ratio for transforming the light of 300-700 nm in wavelength to luminary light in the wavelength range of 400-700 nm.
    Type: Application
    Filed: May 24, 2012
    Publication date: December 27, 2012
    Applicant: WELLYPOWER OPTRONICS CORPORATION
    Inventors: Chih-Hao LIN, Cheng-Wei HUNG, Kun-Hua WU, Chao-Hsien WANG, Po-Chang CHEN, Chih-Ping LO, Po-Chang CHEN
  • Publication number: 20120320562
    Abstract: An LED (Light-Emitting Diode) lighting device is provided. The LED lighting device comprises an LED module, a lamp cover, and a phosphor layer. The LED module comprises a circuit board comprising a driving circuit and a plurality of LEDs mounted on the circuit board and driven by the driving circuit so as to emit light of 300-700 nm in wavelength. The lamp cover is configured to shield the LED module. The phosphor layer is coated on an inner surface of the lamp cover towards the LED module and configured to transform the light of 300-700 nm in wavelength to a luminary light of 400-700 nm in wavelength.
    Type: Application
    Filed: May 25, 2012
    Publication date: December 20, 2012
    Applicant: WELLYPOWER OPTRONICS CORPORATION
    Inventors: Chih-Hao LIN, Cheng-Wei HUNG, Kun-Hua WU, Chao-Hsien WANG, Po-Chang CHEN, Chih-Ping LO, Po-Chang CHEN
  • Publication number: 20120176768
    Abstract: An LED (Light-Emitting Diode) light tube includes a transparent tube, a phosphor layer and a base board. The phosphor layer is coated on a surface of the transparent tube, wherein a thickness of the phosphor layer is 10-100 ?m. The base board is arranged inside the transparent tube for carrying a plurality of LEDs (Light-Emitting Diodes), wherein the length between the base board and the top of the transparent tube is H, and the distance between every two adjacent LEDs is P, and H/P is not smaller than 0.134 and H is 9.5-38 mm.
    Type: Application
    Filed: June 8, 2011
    Publication date: July 12, 2012
    Applicant: WELLYPOWER OPTRONICS CORPORATION
    Inventors: Kun-Hua WU, Chih-Hao LIN, Po-Chang CHEN, Cheng-Wei HUNG, Yan-Liang LIN, Chi-Huang CHUANG