Patents by Inventor Seon Goo Lee
Seon Goo Lee 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: 7687292Abstract: The invention relates to an LED package having a metal reflective layer for focusing and emitting light through a side of the package, and a manufacturing method of the same. The LED package includes a substrate with an electrode formed thereon, a light emitting diode chip disposed on the substrate, and an encapsulant covering the LED chip and the substrate to protect the LED chip. The LED package also includes a metal reflective layer surrounding side surfaces of the encapsulant to form a light transmitting surface on a top surface of the encapsulant. The invention minimizes light loss, improves luminance, can be mass-produced as a PCB type, and adopts EMC transfer molding to minimize irregular color distribution, thereby improving optical quality.Type: GrantFiled: May 23, 2008Date of Patent: March 30, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Kyu Park, Seon Goo Lee, Kyung Taeg Han, Seong Yeon Han
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Patent number: 7683470Abstract: A Chip on Board (COB) package which can reduce the manufacturing costs by using a general PCB as a substrate, increase a heat radiation effect from a light source, thereby realizing a high quality light source at low costs, and a manufacturing method thereof. The COB package includes a board-like substrate with a circuit printed on a surface thereof, the substrate having a through hole. The package also includes a light source positioned in the through hole and including a submount and a dome structure made of resin, covering and fixing the light source to the substrate. The invention allows a good heat radiation effect by using the general PCB as the substrate, enabling manufacture of a high quality COB package at low costs. This in turn improves emission efficiency of the light source, ultimately realizing a high quality light source.Type: GrantFiled: February 22, 2007Date of Patent: March 23, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Goo Lee, Hun Joo Hahm, Dae Yeon Kim
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Patent number: 7678592Abstract: In an LED housing, a heat conducting part has a chip mounting area, a heat connecting area opposed to the chip mounting area and a groove formed adjacent to the heat connecting area. An electrical connecting part has a wiring area placed adjacent to the chip mounting area and an external power connecting area led to the wiring area. A housing body is made of molding resin, and integrally holds the heat conducting part and the electrical connecting part while isolating the electrical connecting part from the heat conducting part. The housing body is provided with a recess extended from a portion of the groove of the heat conducting part to a side of the housing body.Type: GrantFiled: March 1, 2007Date of Patent: March 16, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Goo Lee, Bum Joon Jin, Kyung Taeg Han, Chang Wook Kim
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Publication number: 20100047941Abstract: An LED diode package includes a heat connecting part for mounting a light emitting part on an upper surface thereof, frames electrically connected to the light emitting part while holding the heat connecting part and a molded part fixing the heat connecting part and the frames together. The light emitting part generates light in response to current applied thereto, and the upper surface of the heat connecting part is protruded beyond an upper surface of the molded part to a predetermined height. This can optimize the unique beam angle of the light source thereby to maximize lighting efficiency as well as prevent overflow of the encapsulating material in the assembling process of the lens, which may otherwise soil adjacent components.Type: ApplicationFiled: November 4, 2009Publication date: February 25, 2010Applicant: SAMSUNG ELECTO-MECHANICS CO., LTD.Inventors: Seon Goo Lee, Hun Joo Hahm, Jung Kyu Park, Kyung Taeg Han, Seong Yoen Han, Dae Yeon Kim, Young Sam Park
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Publication number: 20100047937Abstract: A Chip on Board (COB) package which can reduce the manufacturing costs by using a general PCB as a substrate, increase a heat radiation effect from a light source, thereby realizing a high quality light source at low costs, and a manufacturing method thereof. The COB package includes a board-like substrate with a circuit printed on a surface thereof, the substrate having a through hole. The package also includes a light source positioned in the through hole and including a submount and a dome structure made of resin, covering and fixing the light source to the substrate. The invention allows a good heat radiation effect by using the general PCB as the substrate, enabling manufacture of a high quality COB package at low costs. This in turn improves emission efficiency of the light source, ultimately realizing a high quality light source.Type: ApplicationFiled: November 4, 2009Publication date: February 25, 2010Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Goo Lee, Hun Joo Hahm, Dae Yeon Kim
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Patent number: 7663199Abstract: The invention relates to a high power LED package and a fabrication method thereof. The LED package includes a light emitting part for generating light in response to power applied, a heat conducting member with the light emitting part mounted thereon, a lead part for electrically connecting the light emitting part and a board, and a mold part for integrally fixing the heat conducting member and the lead part. The heat conducting member is composed of at least two metal layers in a height direction, and the lead part includes at least one first lead extended out of the heat conducting member and at least one second lead separated from the heat conducting member. The invention allows integration of two components into a single one, reducing the number of components and simplifying the assembly process, thereby reducing the manufacturing costs.Type: GrantFiled: May 30, 2006Date of Patent: February 16, 2010Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Goo Lee, Hun Joo Hahm, Dae Yeon Kim, Young Jae Song, Young Sam Park, Chang Ho Song
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Patent number: 7626250Abstract: An LED diode package includes a heat connecting part for mounting a light emitting part on an upper surface thereof, frames electrically connected to the light emitting part while holding the heat connecting part and a molded part fixing the heat connecting part and the frames together. The light emitting part generates light in response to current applied thereto, and the upper surface of the heat connecting part is protruded beyond an upper surface of the molded part to a predetermined height. This can optimize the unique beam angle of the light source thereby to maximize lighting efficiency as well as prevent overflow of the encapsulating material in the assembling process of the lens, which may otherwise soil adjacent components.Type: GrantFiled: June 2, 2006Date of Patent: December 1, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seon Goo Lee, Hun Joo Hahm, Jung Kyu Park, Kyung Taeg Han, Seong Yeon Han, Dae Yeon Kim, Young Sam Park
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Patent number: 7566912Abstract: A light emitting diode package which is superior in heat radiation and easily manufacturable. In the light emitting diode package, an Al substrate has a reflective cup formed thereon. At least one light emitting diode chip is disposed on a bottom surface of the reflective cup. An Al anodized film extends through the Al substrate to divide the bottom surface of the reflective cup into a plurality of substrate electrodes. Here, at least one of the substrate electrodes is surrounded by the Al anodized film. Also, the substrate electrodes are connected to a light emitting diode chip, respectively.Type: GrantFiled: March 13, 2007Date of Patent: July 28, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Young Ki Lee, Seon Goo Lee, Seog Moon Choi, Sang Hyun Shin
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Patent number: 7560057Abstract: Disclosed herein is a method for producing a molding compound resin tablet for wavelength conversion. The method comprises the steps of wet-dispersing a phosphor powder in a translucent liquid resin to form a molding compound resin body in which the phosphor powder is dispersed, and grinding the molding compound resin body into a powder form and applying a predetermined pressure to the resin powder. Further disclosed is a method for manufacturing a white light emitting diode using the molding compound resin tablet by a transfer molding process.Type: GrantFiled: December 29, 2006Date of Patent: July 14, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Joon Ho Yoon, Seon Goo Lee, Doo Hoon Ahn
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Publication number: 20090155938Abstract: The invention relates to an LED package for facilitating color mixing using a diffuser and a manufacturing method of the same. The LED package includes a substrate with an electrode formed thereon, and an LED chip mounted on the substrate. The LED package also includes an encapsulant applied around the light emitting diode chip, containing a diffuser. The LED package further includes a lens part disposed on the light emitting diode chip and the encapsulant to radiate light in a wide angle. The LED package allows light from the light emitting diode chip to be emitted out of the package without distortion. The invention allows light to exit through the encapsulant containing the diffuser and the lens part, achieving uniform diffusion and emission of light from the LED chip, thereby increasing a radiating angle and obtaining a uniform light source.Type: ApplicationFiled: February 12, 2009Publication date: June 18, 2009Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seong Yeon Han, Seon Goo Lee, Chang Ho Song, Jung Kyu Park, Young Sam Park, Kyung Taeg Han
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Publication number: 20090087931Abstract: Provided is a method of manufacturing an LED package, the method including preparing a mold die which includes an upper surface and a lower surface having an outer circumferential surface and a concave surface surrounded by the outer circumferential surface, the mold die having an outlet extending from the upper surface to the lower surface; preparing a base having a light emitting section formed therein; forming an inlet formed in a predetermined region of the base excluding the region where the light emitting section is formed; positioning the mold die on the light emitting section; forming a mold member by injecting a molding compound into the inlet of the base; and removing the mold die.Type: ApplicationFiled: September 4, 2008Publication date: April 2, 2009Inventors: Seon Goo LEE, Geun Chang Ryo, Dong Yeoul Lee, Yong Tae Kim, Young Jae Song
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Patent number: 7501656Abstract: The invention relates to an LED package for facilitating color mixing using a diffuser and a manufacturing method of the same. The LED package includes a substrate with an electrode formed thereon, and an LED chip mounted on the substrate. The LED package also includes an encapsulant applied around the light emitting diode chip, containing a diffuser. The LED package further includes a lens part disposed on the light emitting diode chip and the encapsulant to radiate light in a wide angle. The LED package allows light from the light emitting diode chip to be emitted out of the package without distortion. The invention allows light to exit through the encapsulant containing the diffuser and the lens part, achieving uniform diffusion and emission of light from the LED chip, thereby increasing a radiating angle and obtaining a uniform light source.Type: GrantFiled: July 25, 2006Date of Patent: March 10, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Seong Yeon Han, Seon Goo Lee, Chang Ho Song, Jung Kyu Park, Young Sam Park, Kyung Taeg Han
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Patent number: 7498610Abstract: An LED housing, in which a heat conducting part has a chip mounting area, a heat connecting area opposed to the chip mounting area and a neck between them. Fixing parts have first ends engaged with the neck. An electrical connecting part has a wire connecting area placed adjacent to the chip mounting area and an external power connecting area connected to the wire connecting area. A housing body of molding material integrally holds the heat conducting part, the fixing parts and the electrical connecting part while isolating the electrical connecting part from the heat conducting part. The LED housing fixes the neck of the heat conducting part at both sides, thereby stably coupling the heat conducting part to the housing body. The fixing parts can spread heat from the heat conducting part to lateral regions of the LED housing, thereby more efficiently spreading heat.Type: GrantFiled: January 5, 2006Date of Patent: March 3, 2009Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Chang Wook Kim, Seon Goo Lee
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Publication number: 20090053839Abstract: An LED housing, in which a heat conducting part has a chip mounting area, a heat connecting area opposed to the chip mounting area and a neck between them. Fixing parts have first ends engaged with the neck. An electrical connecting part has a wire connecting area placed adjacent to the chip mounting area and an external power connecting area connected to the wire connecting area. A housing body of molding material integrally holds the heat conducting part, the fixing parts and the electrical connecting part while isolating the electrical connecting part from the heat conducting part. The LED housing fixes the neck of the heat conducting part at both sides, thereby stably coupling the heat conducting part to the housing body. The fixing parts can spread heat from the heat conducting part to lateral regions of the LED housing, thereby more efficiently spreading heat.Type: ApplicationFiled: October 28, 2008Publication date: February 26, 2009Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Chang Wook KIM, Seon Goo Lee
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Patent number: 7462871Abstract: In a side view LED, elongated first and second lead frames each have a finger extending therefrom. The finger of the first lead frame is disposed in parallel with that of the second lead frame. An LED chip and a protective device are mounted on mounting areas of the first and second lead frames, respectively and electrically connected to the first and second lead frames. A package body houses the first and second lead frames to form first and second opened areas. The first opened area is externally opened around the LED chip, the second opened area is externally opened around the protective device, and the partition wall is formed therebetween. First and second encapsulants are provided to the first and second opened areas, respectively to encapsulate the LED chip and protective device, respectively. At least the first encapsulant is transparent.Type: GrantFiled: August 2, 2006Date of Patent: December 9, 2008Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyung Taeg Han, Myoung Soo Choi, Seon Goo Lee, Jong Uk Park, Chang Wook Kim
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Patent number: 7458703Abstract: An LED package having a dual structure for lateral emission of light includes an LED chip, a lower structure, a lower lens and an upper lens. The lower structure includes a pair of electric connection parts, a package body, and a transparent encapsulant filled in the recess of the package body to seal the LED chip. The upper-hemispheric lower lens is fixed to an upper part of the lower structure with a bottom part thereof attached to an upper surface of the transparent encapsulant. The funnel-shaped upper lens is fixed to an upper end of the lower lens, and includes an axially symmetrical reflecting surface for laterally reflecting light from the lower lens, and an emitting surface for laterally emitting light reflected from the reflecting surface. The upper lens and the lower lens are separately molded and combined together to easily manufacture and efficiently install the LED package.Type: GrantFiled: July 18, 2006Date of Patent: December 2, 2008Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kyung Taeg Han, Myoung Soo Choi, Seon Goo Lee, Seong Yeon Han, Hun Joo Hahm, Chang Ho Song
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Publication number: 20080254558Abstract: The invention relates to a side-emitting LED package and a manufacturing method thereof. The side-emitting LED package includes a substrate with an electrode formed thereon, and a light source disposed on the substrate and electrically connected to the electrode. The side-emitting LED package also includes a molded part having an upper surface with a center thereof depressed concavely, covering and protecting the substrate and the light source, and a reflection layer covering an entire upper surface of the molded part to reflect light sideward from the molded part which forms a light transmitting surface. The package is not restricted in the shape of the molded part and is not affected by the LED chip size, enabling a compact structure. The invention can also process a substrate by a PCB process, enabling mass-production.Type: ApplicationFiled: June 12, 2008Publication date: October 16, 2008Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Taeg Han, Myoung Soo Choi, Seon Goo Lee, Hun Joo Hahm, Seong Yeon Han, Chang Ho Song, Young Sam Park
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Publication number: 20080233666Abstract: The invention relates to an LED package having a metal reflective layer for focusing and emitting light through a side of the package, and a manufacturing method of the same. The LED package includes a substrate with an electrode formed thereon, a light emitting diode chip disposed on the substrate, and an encapsulant covering the LED chip and the substrate to protect the LED chip. The LED package also includes a metal reflective layer surrounding side surfaces of the encapsulant to form a light transmitting surface on a top surface of the encapsulant. The invention minimizes light loss, improves luminance, can be mass-produced as a PCB type, and adopts EMC transfer molding to minimize irregular color distribution, thereby improving optical quality.Type: ApplicationFiled: May 23, 2008Publication date: September 25, 2008Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jung Kyu Park, Seon Goo Lee, Kyung Taeg Han, Seong Yeon Han
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Publication number: 20080198552Abstract: A package board and a method for the manufacturing of the package board are disclosed. A package board, which includes a first metal layer, a heat-release layer stacked on the first metal layer with a first insulation layer interposed in-between, a cavity formed in the heat-release layer, a mounting layer formed in the cavity in contact with the first insulation layer, a first component mounted on the mounting layer, and a second insulation layer covering at least a portion of the heat-release layer and the cavity, may offer improved heat release and smaller thickness.Type: ApplicationFiled: January 30, 2008Publication date: August 21, 2008Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Suk-Hyeon Cho, Je-Gwang Yoo, Min-Sang Lee, Seon-Goo Lee, Han-Seo Cho
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Publication number: 20080179616Abstract: There is provided an LED package. An LED package according to an aspect of the invention includes a package body including a concave part formed as a mounting section, first and second lead frames mounted to the package body to be exposed at a lower surface of the concave part, an LED chip mounted to the lower surface of the concave part to be electrically connected to the first and second lead frames, and an encapsulant formed by mixing transparent resin and a phosphor and formed inside the concave part to encapsulate the LED chip. Here, a height from an upper surface of the LED chip and an upper surface of the encapsulant is 1 to 5 times larger than that of the LED chip.Type: ApplicationFiled: January 9, 2008Publication date: July 31, 2008Inventors: Seon Goo Lee, Geun Chang Ryo, Yong Tae Kim, Young Jae Song