Patents by Inventor Jae-Ho Cho

Jae-Ho Cho 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: 8829552
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: September 9, 2014
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
  • Patent number: 8823036
    Abstract: There is provided a light emitting diode package having at least two heat sinks. The light emitting diode package includes a main body, at least two lead terminals fixed to the main body, and at least two heat sinks of electrically and thermally conductive materials, the heat sinks being fixed to the main body. The at least two heat sinks are separated from each other. Thus, high luminous power can be obtained mounting a plurality of light emitting diode dies in one LED package. Further, it is possible to embody polychromatic lights mounting LED dies emitting different wavelengths of light each other in the LED package.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: September 2, 2014
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
  • Patent number: 8723200
    Abstract: An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: May 13, 2014
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
  • Publication number: 20130277705
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Application
    Filed: June 19, 2013
    Publication date: October 24, 2013
    Inventors: Eun Jung SEO, Jae Ho Cho, Bang Hyun Kim
  • Patent number: 8558270
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: October 15, 2013
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
  • Patent number: 8288785
    Abstract: An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.
    Type: Grant
    Filed: January 9, 2009
    Date of Patent: October 16, 2012
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
  • Publication number: 20110254045
    Abstract: There is provided a light emitting diode package having at least two heat sinks. The light emitting diode package includes a main body, at least two lead terminals fixed to the main body, and at least two heat sinks of electrically and thermally conductive materials, the heat sinks being fixed to the main body. The at least two heat sinks are separated from each other. Thus, high luminous power can be obtained mounting a plurality of light emitting diode dies in one LED package. Further, it is possible to embody polychromatic lights mounting LED dies emitting different wavelengths of light each other in the LED package.
    Type: Application
    Filed: June 28, 2011
    Publication date: October 20, 2011
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
  • Publication number: 20110210366
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Application
    Filed: May 11, 2011
    Publication date: September 1, 2011
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Eun Jung SEO, Jae Ho CHO, Bang Hyun KIM
  • Patent number: 7994526
    Abstract: There is provided a light emitting diode package having at least two heat sinks. The light emitting diode package includes a main body, at least two lead terminals fixed to the main body, and at least two heat sinks of electrically and thermally conductive materials, the heat sinks being fixed to the main body. The at least two heat sinks are separated from each other. Thus, high luminous power can be obtained mounting a plurality of light emitting diode dies in one LED package. Further, it is possible to embody polychromatic lights mounting LED dies emitting different wavelengths of light each other in the LED package.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: August 9, 2011
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
  • Patent number: 7964943
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: June 21, 2011
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
  • Publication number: 20100315835
    Abstract: An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.
    Type: Application
    Filed: July 1, 2010
    Publication date: December 16, 2010
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
  • Publication number: 20100133565
    Abstract: An LED includes a light-emitting chip, a metal member, and a housing. The light-emitting chip generates light. The light-emitting chip is arranged on the metal member. The housing is combined with the metal member to fix the metal member. The housing has an opening portion exposing at least a portion of the light-emitting chip and the metal member. The metal member includes a base metal layer, a light-reflecting layer arranged on the base metal layer, and a protection layer arranged on the light-reflecting layer and including a metal.
    Type: Application
    Filed: January 9, 2009
    Publication date: June 3, 2010
    Applicant: Seoul Semiconductor Co., Ltd.
    Inventors: Jae-Ho CHO, Sean-Jhin YOON, Tae-Kwang KIM, Kyung-Nam KIM
  • Publication number: 20100123156
    Abstract: Provided is a light emitting device. The light emitting device includes: a plurality of lead frame units spaced apart from each other, each of the lead frame units being provided with at least one fixing space perforating a body thereof in a vertical direction; a light emitting diode chip mounted on one of the lead frame units; and a molding unit that is integrally formed on top surfaces of the lead frame units and in the fixing spaces to protect the light emitting diode chip.
    Type: Application
    Filed: December 19, 2008
    Publication date: May 20, 2010
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Eun Jung SEO, Jae Ho Cho, Bang Hyun Kim
  • Patent number: 7625111
    Abstract: A light guide device is used in a back light module that more uniformly mixes different colored light emitted from a plurality of LEDs and transfers the mixed light to a display panel, wherein a light loss can be minimized during the light mixing process and the light can be more uniformly mixed. A light guide device is disclosed for mixing different colored light emitted from a plurality of light emitting diodes (LEDs) and guiding the mixed light to a display panel, wherein the light guide device comprises a light guide portion in the form of a plate arranged at a rear of the display panel; and a light mixing portion formed integrally with the light guide portion and including a light incidence surface adjacent to the plurality of LEDs and a light mixing area for mixing the light with difference colors incident through the light incidence surface.
    Type: Grant
    Filed: December 13, 2006
    Date of Patent: December 1, 2009
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Sang Min Lee, Seung Ryeol Ryu, Seok Jin Kang, Jae Ho Cho
  • Publication number: 20090218586
    Abstract: The present invention relates to a light emitting diode (LED) lamp, and an object of the present invention is to provide an LED lamp in which an LED can be easily exchanged and external vibration can be absorbed to prevent the play thereof. To this end, an LED lamp according to the present invention comprises an LED package having a lead frame; a printed circuit board separated from the LED package and having a conductive pattern formed on a surface thereof facing the lead frame; and a pressing means for pressing the LED package toward the PCB so that the lead frame is in contact with the conductive pattern.
    Type: Application
    Filed: January 10, 2007
    Publication date: September 3, 2009
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Jae Ho Cho, Jung Yun Kim, Kang Hyun Cho
  • Publication number: 20090003015
    Abstract: A light guide device is used in a back light module that more uniformly mixes different colored light emitted from a plurality of LEDs and transfers the mixed light to a display panel, wherein a light loss can be minimized during the light mixing process and the light can be more uniformly mixed. A light guide device is disclosed for mixing different colored light emitted from a plurality of light emitting diodes (LEDs) and guiding the mixed light to a display panel, wherein the light guide device comprises a light guide portion in the form of a plate arranged at a rear of the display panel; and a light mixing portion formed integrally with the light guide portion and including a light incidence surface adjacent to the plurality of LEDs and a light mixing area for mixing the light with difference colors incident through the light incidence surface.
    Type: Application
    Filed: December 13, 2006
    Publication date: January 1, 2009
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Sang Min Lee, Seung Ryeol Ryu, Seok Jin Kang, Jae Ho Cho
  • Publication number: 20070063321
    Abstract: There is provided a light emitting diode package having at least two heat sinks. The light emitting diode package includes a main body, at least two lead terminals fixed to the main body, and at least two heat sinks of electrically and thermally conductive materials, the heat sinks being fixed to the main body. The at least two heat sinks are separated from each other. Thus, high luminous power can be obtained mounting a plurality of light emitting diode dies in one LED package. Further, it is possible to embody polychromatic lights mounting LED dies emitting different wavelengths of light each other in the LED package.
    Type: Application
    Filed: May 14, 2004
    Publication date: March 22, 2007
    Applicant: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Kwan Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryu
  • Publication number: 20040052666
    Abstract: A valve assembly for a hermetic compressor in accordance with the present invention includes a cylinder head installed to an opened end of a cylinder having a specific space filled with a fluid and having a suction hole and a discharge hole, a suction valve fixed to a certain surface of the cylinder head and opening/closing the suction hole, a discharge valve fixed to the other surface of the cylinder head and opening/closing the discharge hole and a head cover fixed to the surface of the cylinder head and having a suction space at which a fluid is sucked and a discharge space at which a fluid is discharged.
    Type: Application
    Filed: June 26, 2003
    Publication date: March 18, 2004
    Inventor: Jae-Ho Cho
  • Patent number: 6558284
    Abstract: Disclosed is a hydraulic control system for controlling an automatic transmission comprising a first clutch for transmitting power through a one-way clutch in first, second and third speeds; a fourth clutch for discontinuing an operation of the one-way clutch and which acts as an engine brake; a second brake operating in second and fourth speeds; a second clutch for transmitting power in third and fourth speeds; a first brake for discontinuing the operation of the one-way clutch in the first speed and acting as an engine brake, and operating in low L and reverse R ranges; and a third clutch for operating in the reverse R range, wherein hydraulic pressure controlled by a first solenoid valve is supplied and exhausted through operation of a switch valve to the second clutch and the first brake, the second brake is directly controlled by hydraulic pressure controlled by a second solenoid valve, and the fourth clutch is directly controlled by hydraulic pressure controlled by a third solenoid valve.
    Type: Grant
    Filed: November 19, 2001
    Date of Patent: May 6, 2003
    Assignee: Hyundai Motor Company
    Inventors: Jong-Sool Park, Chang-Wook Lee, Jae-Ho Cho, Jae-Duk Jang, Tae-Kyun Kim, Jin-Hee Lee
  • Patent number: D565514
    Type: Grant
    Filed: July 5, 2006
    Date of Patent: April 1, 2008
    Assignee: Seoul Semiconductor Co. Ltd.
    Inventor: Jae Ho Cho