Patents by Inventor Seong Jun Ahn

Seong Jun Ahn 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: 20100268870
    Abstract: A data storage device includes a flash memory including a plurality of data blocks and a flash translation layer that divides the plurality of data blocks into a data block of a first group and a data block of a second group, and that records the data signal to a data block of the first group or a data block of the second group which is extended from a data block of the first group.
    Type: Application
    Filed: April 6, 2010
    Publication date: October 21, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Min Cheol Kwon, Dong Jun Shin, Seong Jun Ahn, Shin-Ho Choi, Shine Kim, Sun-Mi Yoo, Mi Kyeong Kang
  • Publication number: 20100074012
    Abstract: A Least Significant Bit (LSB) page recovery method used in a multi-level cell (MLC) flash memory device is provided. The method includes setting first through nth LSB page groups (n being a natural number that is larger than 2) comprising at least two LSB pages from among the LSB pages included in the MLC flash memory, programming the first through xth LSB pages (x is a natural number that is larger than 2) included in an ith LSB page group (i is a natural number that is smaller than n), generating and storing an ith LSB parity page for the first through xth LSB pages, programming first through xth MSB pages which correspond to one LSB page from among the first through xth LSB pages, and recovering a jth LSB page, which are paired with a jth MSB page, using the ith LSB parity page corresponding to the ith LSB page group, when a power supply to the MLC flash memory is stopped during the programming of the jth MSB page (j is a natural number that is smaller than x).
    Type: Application
    Filed: September 10, 2009
    Publication date: March 25, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-min Park, Seong-jun Ahn
  • Patent number: 7561128
    Abstract: A pixel unit for an organic electroluminescence display device includes four switching transistors, a driving transistor, a capacitor and an organic light emitting diode, configured in a circuit to prevent picture quality deterioration of the display device due to deterioration of the transistors characteristics in a pixel unit.
    Type: Grant
    Filed: November 3, 2005
    Date of Patent: July 14, 2009
    Assignee: Hydis Technologies Co., Ltd
    Inventors: Seong Jun Ahn, Chang Soo Pyon
  • Publication number: 20090089501
    Abstract: A method of prefetching data in a hard disk drive includes searching for a logic block address (LBA) of data requested by an external apparatus in a history of a non-volatile cache of the hard disk drive, and if the LBA of the data is stored in the history, storing data recorded in a LBA stored after the LBA of the data requested by the external apparatus from among LBAs stored in the history in a buffer of the hard disk drive.
    Type: Application
    Filed: July 17, 2008
    Publication date: April 2, 2009
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Seong-jun AHN, Hyung-gyu Lee, Jung-hwan Kim, Young-bong Kim, Sine Kim, Young-il Seo, Chan-ho Park
  • Publication number: 20090087168
    Abstract: The invention relates generally to a method for reproducing digital media content, and more particularly but without limitation, to a method and apparatus for reading a boot code and digital media content from a non-volatile storage medium other than a conventional hard disk drive. In embodiments of the invention, power is limitedly supplied to an apparatus required for reproducing digital media content. Additionally, in embodiments of the invention, the digital media content is reproduced using a non-volatile storage medium other than a conventional hard disk drive (HDD); in particular, embodiments of the invention utilize a solid state drive (SSD) such as a non-volatile cache memory inside a hybrid hard drive (HDD) or an on-board cache memory. Embodiments of the invention also provide an apparatus for performing the method.
    Type: Application
    Filed: August 26, 2008
    Publication date: April 2, 2009
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chan-ho PARK, Hyung-gyu LEE, Jung-hwan KIM, Seong-jun AHN, Young-bong KIM, Shine KIM, Young-il SEO
  • Publication number: 20040189884
    Abstract: Disclosed is a liquid crystal display in which a kick-back voltage of pixels used in the liquid crystal display. The liquid crystal display comprises thin film transistors connected to intersections between a plurality of data lines and a plurality of gate lines; pixel electrodes, each of which is connected to a source of each of the thin film transistors; common electrodes opposed to the pixel electrodes; liquid crystal injected between the pixel electrodes and the common electrodes; a plurality of auxiliary gate lines corresponding to the gate lines; and first capacitors, each of which is connected between the source and each of the auxiliary gate lines. By this construction, even if the voltage of a gate line goes down rapidly, it is possible to minimize variation width of a pixel voltage in the liquid crystal display.
    Type: Application
    Filed: September 5, 2003
    Publication date: September 30, 2004
    Inventors: Cheon Hong Kim, Seong Jun Ahn, Se Jong Yoo