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: 20130240934
    Abstract: There is provided a light emitting element package including: a light emitting laminate having a structure in which semiconductor layers are laminated and having a first main surface and a second main surface opposing the first main surface; a terminal unit disposed on an electrode disposed on the second main surface; a molded unit disposed on the second main surface of the light emitting laminate and allowing a portion of the terminal unit to be exposed; and a wavelength conversion unit disposed on the first main surface of the light emitting laminate.
    Type: Application
    Filed: March 13, 2013
    Publication date: September 19, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Il Woo PARK, Cheol Jun YOO
  • Patent number: 8507299
    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: Grant
    Filed: May 21, 2010
    Date of Patent: August 13, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Ah Joo, Chang Hoon Kwak, Na Na Park, Il Woo Park
  • Publication number: 20130149508
    Abstract: There are provided a phosphor film, a method of manufacturing the same, and a method of coating an LED chip with a phosphor layer. The phosphor film includes: a base film; a phosphor layer formed on the base film and obtained by mixing phosphor particles in a partially cured resin material; and a cover film formed on the phosphor layer to protect the phosphor layer.
    Type: Application
    Filed: August 24, 2011
    Publication date: June 13, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD
    Inventors: Chang Hoon Kwak, Il Woo Park, Kyu Jin Lee, Cheol Jun Yoo, Seong Jae Hong
  • Patent number: 8445927
    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: Grant
    Filed: January 27, 2009
    Date of Patent: May 21, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Seong Ah Joo, Chang Hoon Kwak, Na Na Park, Il Woo Park
  • Patent number: 8378568
    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: July 14, 2011
    Date of Patent: February 19, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jong Rak Sohn, Chul Soo Yoon, Chang Hoon Kwak, Il Woo Park
  • Publication number: 20130011948
    Abstract: There are disclosed a method of manufacturing a semiconductor light emitting device and a paste application apparatus. The method includes preparing a light emitting structure including a first conductive semiconductor layer, an active layer, and a second conductive semiconductor layer; disposing a mask including an opening exposing a part of the light emitting structure on the light emitting structure; applying a paste including a wavelength conversion material to the light emitting structure through the opening of the mask, by using a pressure means; and planarizing the applied paste by using a roller.
    Type: Application
    Filed: July 3, 2012
    Publication date: January 10, 2013
    Inventors: Tsuyoshi TSUTSUI, Shin Kun KIM, Seong Jae HONG, Il Woo PARK
  • Patent number: 8349212
    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: September 17, 2010
    Date of Patent: January 8, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chul Soo Yoon, Jong Rak Sohn, Il Woo Park
  • Publication number: 20120274240
    Abstract: There is provided a white light emitting device including: a blue LED emitting blue light; a red phosphor excited by the blue light, emitting red light, and including a nitrogen (N)-containing compound; a yellow phosphor excited by the blue light and emitting yellow light; a first green phosphor excited by the blue light, emitting first green light having a first full width half maximum, and including a nitrogen (N)-containing compound; and a second green phosphor excited by the blue light and emitting second green light having a second full width half maximum larger than the first full width half maximum of the first green phosphor.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 1, 2012
    Inventors: Hyo Jin LEE, Jeong Hee KIM, Il Woo PARK, Chang Hoon KWAK, Kyung SEO
  • Publication number: 20120271447
    Abstract: A control device for preventing meandering of patterns for use in a patterned film manufacturing device which includes a film transferring equipment and a pattern forming equipment, includes a marking unit that forms markings on a predetermined reference position on the film, a recognizing unit that is located at the rear of the marking unit and recognizes positions of the markings on the film, a computing unit that computes an amount of meandering based on differences between the reference position and the recognized positions of the markings, a control unit that generates a correction signal for correcting positions of the marking unit and the pattern forming equipment corresponding to the computed the amount of meandering, and a correction unit that receives the correction signal and corrects positions of the marking unit and the pattern forming equipment based on the received correction signal.
    Type: Application
    Filed: April 21, 2012
    Publication date: October 25, 2012
    Applicant: DONGWOO FINE-CHEM CO., LTD.
    Inventors: Young Geun YOON, Il Woo PARK, Yong Hwan KIM, Bong Jin CHOI
  • Patent number: 8294168
    Abstract: A light source module using quantum dots, a backlight unit employing the light source module, a display apparatus, and an illumination apparatus. The light source module includes a light emitting device package including a plurality of light emitting device chips, and a quantum dot sealing package disposed on the light emitting device package in a light emitting direction, and converts wavelengths of light emitted from the light emitting device chips to generate wavelength-converted light.
    Type: Grant
    Filed: July 29, 2010
    Date of Patent: October 23, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Il-woo Park, Chang-hoon Kwak, Hyo-jin Lee
  • Publication number: 20120223820
    Abstract: An integrated remote control system controls a plurality of peripheral electronic devices by a certain integrated operation to provide use convenience of the electronic devices. The integrated remote control system includes an integrated control device configured to store control codes of the peripheral electronic devices and provide the at least one control code of the peripheral electronic devices according to a request. The integrated remote control system also includes a user remote control device configured to request the integrated control device to transmit the control code for controlling the peripheral electronic device, receive the requested control code, and control the at least one of the peripheral electronic devices.
    Type: Application
    Filed: March 2, 2012
    Publication date: September 6, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Il-Woo Park
  • Publication number: 20120215885
    Abstract: A data sharing system includes at least one first client device, at least one second client device, and a hub equipment. The at least one first client device provides data. The at least one second client device receives data. The hub equipment receives data from the first client device using a first transmission protocol, and transmits the received data to the second client device using a second transmission protocol.
    Type: Application
    Filed: February 21, 2012
    Publication date: August 23, 2012
    Applicant: SAMSUNG ELECTRONICS Co., LTD.
    Inventors: Kang-Chun Lee, Chang-Dae Bang, Il-Woo Park, Woo-Sok Yang
  • Publication number: 20120112229
    Abstract: A light emitting device package includes: first and second electrodes, at least a portion of a lower surface thereof being exposed; a light emitting device disposed on an upper surface of at least one of the first and second electrodes; a reflection wall disposed on the upper surface of the first and second electrodes and surrounding the light emitting device to form a mounting part therein; and a fluorescent film disposed on the reflection wall to cover an upper portion of the mounting part. The mounting part is filled with air.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 10, 2012
    Inventors: Na Na PARK, Il Woo Park, Chang Hoon Kwak
  • Patent number: 8154514
    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: Grant
    Filed: February 1, 2007
    Date of Patent: April 10, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jang-seok Seo, Il-woo Park
  • Publication number: 20120074438
    Abstract: A method for manufacturing a light emitting device includes forming a plurality of light emitting elements on a light emitting element substrate. an identification portion is formed on each of the light emitting elements to allow a pertinent light emitting element to be distinguishable from other light emitting elements. The light emitting elements are separated to form a plurality of light emitting devices. The identification portion may have an external appearance allowing each of the light emitting elements to be distinguishable from the other light emitting elements.
    Type: Application
    Filed: September 23, 2011
    Publication date: March 29, 2012
    Inventors: Seong Deok HWANG, Young Hee Song, Seong Jae Hong, Il Woo Park
  • Patent number: 8112609
    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: Grant
    Filed: August 13, 2007
    Date of Patent: February 7, 2012
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Il-Woo Park, Jang-seok Seo, Sung-jae Park
  • Patent number: 8098005
    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: Grant
    Filed: January 17, 2008
    Date of Patent: January 17, 2012
    Assignee: Samsung LED Co., Ltd.
    Inventors: Chang Hoon Kwak, Young Mok Lee, Il Woo Park, Jong Rak Sohn, Chul Soo Yoon
  • Publication number: 20110309325
    Abstract: A light source module using quantum dots, a backlight unit employing the light source module, a display apparatus, and an illumination apparatus. The light source module includes a light emitting device package including a plurality of light emitting device chips, and a quantum dot sealing package disposed on the light emitting device package in a light emitting direction, and converts wavelengths of light emitted from the light emitting device chips to generate wavelength-converted light.
    Type: Application
    Filed: July 29, 2010
    Publication date: December 22, 2011
    Inventors: Il-woo Park, Chang-hoon Kwak, Hyo-jin Lee
  • Publication number: 20110303940
    Abstract: There is provided a light emitting device package using a quantum dot, an illumination apparatus and a display apparatus. The light emitting device package includes a light emitting device; a sealing part disposed in a path of light emitted from the light emitting device and having a lens shape; and a wavelength conversion part sealed within the sealing part and including a quantum dot. The light emitting device package uses the quantum dot as the wavelength conversion part to thereby achieve superior color reproducibility and light emission efficiency, and facilitates the control of color coordinates by adjusting the particle size and concentration of the quantum dot.
    Type: Application
    Filed: June 13, 2011
    Publication date: December 15, 2011
    Inventors: Hyo Jin LEE, Il Woo Park, Chang Hoon Kwak
  • Publication number: 20110266584
    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: Application
    Filed: July 14, 2011
    Publication date: November 3, 2011
    Applicant: Samsung LED Co., Ltd.
    Inventors: Jong Rak SOHN, Chul Soo Yoon, Chang Hoon Kwak, Il Woo Park