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).
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Patent number: 8829552Abstract: 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: GrantFiled: June 19, 2013Date of Patent: September 9, 2014Assignee: Seoul Semiconductor Co., Ltd.Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
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Patent number: 8823036Abstract: 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: GrantFiled: June 28, 2011Date of Patent: September 2, 2014Assignee: Seoul Semiconductor Co., Ltd.Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
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Patent number: 8723200Abstract: 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: GrantFiled: July 1, 2010Date of Patent: May 13, 2014Assignee: Seoul Semiconductor Co., Ltd.Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
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Publication number: 20130277705Abstract: 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: ApplicationFiled: June 19, 2013Publication date: October 24, 2013Inventors: Eun Jung SEO, Jae Ho Cho, Bang Hyun Kim
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Patent number: 8558270Abstract: 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: GrantFiled: May 11, 2011Date of Patent: October 15, 2013Assignee: Seoul Semiconductor Co., Ltd.Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
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Patent number: 8288785Abstract: 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: GrantFiled: January 9, 2009Date of Patent: October 16, 2012Assignee: Seoul Semiconductor Co., Ltd.Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
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Publication number: 20110254045Abstract: 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: ApplicationFiled: June 28, 2011Publication date: October 20, 2011Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
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Publication number: 20110210366Abstract: 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: ApplicationFiled: May 11, 2011Publication date: September 1, 2011Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Eun Jung SEO, Jae Ho CHO, Bang Hyun KIM
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Patent number: 7994526Abstract: 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: GrantFiled: May 14, 2004Date of Patent: August 9, 2011Assignee: Seoul Semiconductor Co., Ltd.Inventors: Kwan Young Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryeol Ryu
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Patent number: 7964943Abstract: 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: GrantFiled: December 19, 2008Date of Patent: June 21, 2011Assignee: Seoul Semiconductor Co., Ltd.Inventors: Eun Jung Seo, Jae Ho Cho, Bang Hyun Kim
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Publication number: 20100315835Abstract: 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: ApplicationFiled: July 1, 2010Publication date: December 16, 2010Applicant: Seoul Semiconductor Co., Ltd.Inventors: Jae-Ho Cho, Sean-Jhin Yoon, Tae-Kwang Kim, Kyung-Nam Kim
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Publication number: 20100133565Abstract: 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: ApplicationFiled: January 9, 2009Publication date: June 3, 2010Applicant: Seoul Semiconductor Co., Ltd.Inventors: Jae-Ho CHO, Sean-Jhin YOON, Tae-Kwang KIM, Kyung-Nam KIM
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Publication number: 20100123156Abstract: 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: ApplicationFiled: December 19, 2008Publication date: May 20, 2010Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Eun Jung SEO, Jae Ho Cho, Bang Hyun Kim
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Patent number: 7625111Abstract: 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: GrantFiled: December 13, 2006Date of Patent: December 1, 2009Assignee: Seoul Semiconductor Co., Ltd.Inventors: Sang Min Lee, Seung Ryeol Ryu, Seok Jin Kang, Jae Ho Cho
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Publication number: 20090218586Abstract: 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: ApplicationFiled: January 10, 2007Publication date: September 3, 2009Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Jae Ho Cho, Jung Yun Kim, Kang Hyun Cho
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Publication number: 20090003015Abstract: 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: ApplicationFiled: December 13, 2006Publication date: January 1, 2009Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Sang Min Lee, Seung Ryeol Ryu, Seok Jin Kang, Jae Ho Cho
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Publication number: 20070063321Abstract: 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: ApplicationFiled: May 14, 2004Publication date: March 22, 2007Applicant: SEOUL SEMICONDUCTOR CO., LTD.Inventors: Kwan Han, Kwang Il Park, Jae Ho Cho, Jung Hoo Seo, Seong Ryu
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Publication number: 20040052666Abstract: 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: ApplicationFiled: June 26, 2003Publication date: March 18, 2004Inventor: Jae-Ho Cho
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Patent number: 6558284Abstract: 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: GrantFiled: November 19, 2001Date of Patent: May 6, 2003Assignee: Hyundai Motor CompanyInventors: Jong-Sool Park, Chang-Wook Lee, Jae-Ho Cho, Jae-Duk Jang, Tae-Kyun Kim, Jin-Hee Lee
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Patent number: D565514Type: GrantFiled: July 5, 2006Date of Patent: April 1, 2008Assignee: Seoul Semiconductor Co. Ltd.Inventor: Jae Ho Cho