Patents by Inventor Il Woo Park

Il Woo Park 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).

  • Publication number: 20110249424
    Abstract: There is provided a light emitting device package including: a package body providing a chip mounting area and including first and second lead terminals; an LED chip mounted on the chip mounting area and electrically connected to the first and second lead terminals; a groove portion disposed around the LED chip in the chip mounting area; and a wavelength conversion portion formed of a resin containing a wavelength conversion material with which to enclose the LED chip and having an outer shape defined by the groove portion.
    Type: Application
    Filed: December 21, 2009
    Publication date: October 13, 2011
    Applicant: SAMSUNG LED CO., LTD.
    Inventors: Seong Ah Joo, Hyo Jin Lee, Il Woo Park, Kyung Tae Kim
  • Publication number: 20110248299
    Abstract: The present invention relates to a light emitting diode package and a method of fabricating the same capable of uniformly distributing a fluorescent substance in a molding member by including a light emitting diode chip on a package substrate and the molding member having a molding resin, a fluorescent substance and nano particles, which is arranged on the package substrate, with covering the light emitting diode chip.
    Type: Application
    Filed: April 8, 2010
    Publication date: October 13, 2011
    Inventors: Na-Na PARK, Chang-Hoon KWAK, Il-Woo Park
  • Patent number: 7999456
    Abstract: Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: August 16, 2011
    Assignee: Samsung LED Co., Ltd.
    Inventors: Jong Rak Sohn, Chul Soo Yoon, Chang Hoon Kwak, Il Woo Park
  • Publication number: 20110195531
    Abstract: An optical property evaluation apparatus includes: a light conversion filter converting light emitted from an LED chip or a bare LED package, which is to be evaluated, into a different wavelength of light, and emitting a specific color of light; and an optical property measurement unit receiving the specific color of light emitted from the light conversion filter and measuring the optical properties of the received light.
    Type: Application
    Filed: February 1, 2011
    Publication date: August 11, 2011
    Inventors: Jong Rak SOHN, Il Woo Park
  • Publication number: 20110179146
    Abstract: A content reproducing method is provided for continuously reproducing content being reproduced by a client device in another client device in a multimedia data providing system including a server for providing content and a plurality of client devices for reproducing the content provided by the server. The method includes reproducing, by a first device, multimedia content being streamed by a content server; and transmitting, by the first device, a first request message for continuously reproducing content being reproduced by the first device in another device and an IDentification (ID) of the first device to another device using local area communication in order to continuously reproduce the content being reproduced by the first device in another device.
    Type: Application
    Filed: January 19, 2011
    Publication date: July 21, 2011
    Applicant: Samsung Electronics Co., Ltd.
    Inventor: Il-Woo PARK
  • Patent number: 7911127
    Abstract: The present invention relates to phosphor blend for wavelength conversion and a white light emitting device using the same. The phosphor blend of the invention comprises three phosphors, A5(PO4)3Cl:Eu2+, D2SiO4:Eu and MS:Eu at a composition where near ultraviolet radiation is converted into light positioned at a CIE coordinate (x, y), where 0.25?x?0.45 and 0.25?y?0.43, wherein A comprises at least one of Sr, Ca, Ba, and Mg, D comprises at least one of Ba, Sr, and Ca, and M comprises at least one of Sr and Ca. Furthermore, the present invention provides a new white light emitting device in combination of the phosphor blend and a near ultraviolet LED.
    Type: Grant
    Filed: December 28, 2005
    Date of Patent: March 22, 2011
    Assignee: Samsung LED Co., Ltd.
    Inventors: Jong Rak Sohn, Il Woo Park, Yun Seup Chung, Chang Hoon Kwak, Chul Soo Yoon, Joon Ho Yoon
  • Patent number: 7913036
    Abstract: A method and apparatus for editing multimedia data stored in a disk. The method generates a Block Allocation Table (BAT) in the disk, wherein the BAT records a connection relationship between each of blocks based on a connection relationship between each of data stored in the respective blocks generated by dividing storage space of the disk having a predetermined size; and revises the connection relationship, which is between each of the blocks and is recorded in the BAT, when the connection relationship between each of the blocks is changed.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: March 22, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-jae Park, Il-woo Park
  • Publication number: 20110007228
    Abstract: A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED.
    Type: Application
    Filed: September 17, 2010
    Publication date: January 13, 2011
    Applicant: Samsung LED Co., Ltd.
    Inventors: Chul Soo Yoon, Jong Rak Sohn, Il Woo Park
  • Publication number: 20100283382
    Abstract: A white light emitting device including: a blue light emitting diode (LED); a green silicate phosphor formed on the blue LED; and a red sulfide phosphor with a surface coated with a silicone oxide layer, the red sulfide phosphor formed on the blue LED.
    Type: Application
    Filed: January 17, 2008
    Publication date: November 11, 2010
    Inventors: Chang Hoon Kwak, Young Mok Lee, Il Woo Park, Jong Rak Sohn, Chul Soo Yoon
  • Patent number: 7820073
    Abstract: A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: October 26, 2010
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Chul Soo Yoon, Jong Rak Sohn, Il Woo Park
  • Patent number: 7804239
    Abstract: Provided is a white light emitting diode (LED) including a blue LED chip; and yellow, green, and red light emitting phosphors that are coated on the blue LED chip at a predetermined mixing ratio and converts light, emitted from the blue LED chip, into white light.
    Type: Grant
    Filed: June 9, 2008
    Date of Patent: September 28, 2010
    Assignee: Samsung LED Co., Ltd.
    Inventors: Jong Rak Sohn, Chul Soo Yoon, Chang Hoon Kwak, Il Woo Park
  • Publication number: 20100227424
    Abstract: The present invention relates to a light emitting diode package and a manufacturing method thereof. The light emitting diode package includes a substrate, an LED chip mounted on an upper part of a substrate, a molding material coated at the upper part of the substrate including an external surface of the LED chip, and an encapsulant coated at a lower part of the substrate and can improve luminous efficiency, minimize a package failure, and reduce a manufacture cost by facilitating the manufacturing process.
    Type: Application
    Filed: May 21, 2010
    Publication date: September 9, 2010
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seong Ah JOO, Chang Hoon KWAK, Na Na PARK, Il Woo PARK
  • Publication number: 20100213490
    Abstract: According to an aspect of the present invention, there is provided a sealing composition for a light emitting device, the sealing composition including: a silicone/epoxy compound resin including a silicone resin having at least one silicon atom-bonded hydroxyl group and an epoxy resin having at least one oxirane group while the hydroxyl group of the silicone resin and the oxirane group of the epoxy resin are chemically bound to each other.
    Type: Application
    Filed: February 24, 2010
    Publication date: August 26, 2010
    Inventors: Il Woo PARK, Yong Chun Kim, Na Na Park, Bang Won Oh
  • Publication number: 20090073595
    Abstract: A method and apparatus for editing multimedia data stored in a disk. The method generates a Block Allocation Table (BAT) in the disk, wherein the BAT records a connection relationship between each of blocks based on a connection relationship between each of data stored in the respective blocks generated by dividing storage space of the disk having a predetermined size; and revises the connection relationship, which is between each of the blocks and is recorded in the BAT, when the connection relationship between each of the blocks is changed.
    Type: Application
    Filed: December 27, 2007
    Publication date: March 19, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Jae Park, Il-Woo Park
  • Publication number: 20080180948
    Abstract: A white light emitting device including: a blue LE chip having a dominant wavelength of 430 to 455 nm; a red phosphor disposed around the blue light emitting diode chip, the red phosphor excited by the blue light emitting diode chip to emit red light; and a green phosphor disposed around the blue light emitting diode chip, the green phosphor excited by the blue LED chip to emit green light, wherein the red light emitted from the red phosphor has a color coordinate falling within a space defined by four coordinate points (0.5448, 0.4544), (0.7079, 0.2920), (0.6427, 0.2905) and (0.4794, 0.4633) based on the CIE 1931 chromaticity diagram, the green light emitted from the green phosphor has a color coordinate falling within a space defined by four coordinate points (0.1270, 0.8037), (0.4117, 0.5861), (0.4197, 0.5316) and (0.2555, 0.
    Type: Application
    Filed: January 2, 2008
    Publication date: July 31, 2008
    Inventors: Chul Soo Yoon, Il Woo Park, Jong Rak Sohn, Chang Hoon Kwak
  • Publication number: 20080172541
    Abstract: A data management apparatus and method. The data management apparatus includes an input unit to receive a request to update information included in a predetermined master BAT (block allocation table) block of a plurality of master BAT blocks; and an update unit to record updated information to the predetermined master BAT block based on the update request.
    Type: Application
    Filed: August 13, 2007
    Publication date: July 17, 2008
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Il-Woo PARK, Jang-seok Seo, Sung-jae Park
  • Publication number: 20070208528
    Abstract: A remote control device is provided. The device includes an attitude sensing unit that senses the attitude of a device; an axis determining unit that determines one axis in space according to the attitude; a direction input unit that receives a selection command input of one of two directions that are parallel to the axis and are in opposite directions to each other; and a transmission unit that transmits a control signal to move a predetermined graphics object in a direction corresponding to the selection command.
    Type: Application
    Filed: February 1, 2007
    Publication date: September 6, 2007
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jang-seok Seo, Il-woo Park
  • Publication number: 20070194695
    Abstract: A white light emitting device capable of expanding the wavelength range of a blue LED used for realizing white light. The white light emitting device according to the present invention includes a blue LED and a mixture of orange phosphor and green phosphor disposed above the blue LED.
    Type: Application
    Filed: February 22, 2007
    Publication date: August 23, 2007
    Inventors: Chul Soo Yoon, Jong Rak Sohn, Il Woo Park