Patents by Inventor Dae-kil Cha

Dae-kil Cha 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: 20100097124
    Abstract: Provided is a method of operating a semiconductor device, wherein an operating mode is set by adjusting timing of a voltage pulse or by adjusting a voltage level of the voltage pulse.
    Type: Application
    Filed: July 30, 2009
    Publication date: April 22, 2010
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sang-moo Choi, Won-joo Kim, Tae-hee Lee, Dae-kil Cha
  • Publication number: 20100033611
    Abstract: Provided is a pixel array of a three-dimensional image sensor. The pixel array includes unit pixel patterns each including a color pixel and a distance-measuring pixel arranged in an array form. The unit pixel patterns are arranged in such a way that a group of distance-measuring pixels are disposed adjacent to each other.
    Type: Application
    Filed: July 30, 2009
    Publication date: February 11, 2010
    Inventors: Seung-hoon Lee, Yoon-dong Park, Young-gu Jin, Seung-hyuk Chang, Dae-kil Cha
  • Publication number: 20100019296
    Abstract: An image sensor includes a plurality of pixels disposed in an array, each pixel comprising a first region and a second region, the first region and the second region separated from each other in a semiconductor layer, and doped with impurities having different conductivities from each other, a photoelectric conversion region formed between the first and second regions, and at least one metal nanodot that focuses an incident light onto the photoelectric conversion region.
    Type: Application
    Filed: July 23, 2009
    Publication date: January 28, 2010
    Inventors: Dae-kil Cha, Young-gu Jin, Bok-ki Min, Yoon-dong Park
  • Publication number: 20090315084
    Abstract: A semiconductor device includes a semiconductor substrate, a gate pattern disposed on the semiconductor substrate, a body region disposed on the gate pattern and a first impurity doping region and a second impurity doping region. The gate pattern is disposed below the body region and the first impurity doping region and the second impurity doping region.
    Type: Application
    Filed: May 27, 2009
    Publication date: December 24, 2009
    Inventors: Dae-kil Cha, Won-Joo Kim, Tae-Hee Lee, Yoon-Dong Park
  • Publication number: 20090284830
    Abstract: An optical amplifying medium, a method of manufacturing the optical amplifying medium are provided, and an optical device comprising the optical amplifying medium. The optical amplifying medium includes a multi-layer structure in which a first material layer doped with an activator and a second material layer that comprises a sensitizer are stacked.
    Type: Application
    Filed: September 8, 2008
    Publication date: November 19, 2009
    Inventors: Dae-kil CHA, Jung-hoon SHIN, Yoon-dong PARK, Young-gu JIN, Moon-seung YANG, In-sung JOE, Jee-soo CHANG
  • Publication number: 20090284731
    Abstract: Provided are a distance measuring sensor including a double transfer gate, and a three dimensional color image sensor including the distance measuring sensor. The distance measuring sensor may include first and second charge storage regions which are spaced apart from each other on a substrate doped with a first impurity, the first and second charge storage regions being doped with a second impurity; a photoelectric conversion region between the first and second charge storage regions on the substrate, being doped with the second impurity, and generating photo-charges by receiving light; and first and second transfer gates which are formed between the photoelectric conversion region and the first and second charge storage regions above the substrate to selectively transfer the photo-charges in the photoelectric conversion region to the first and second charge storage regions.
    Type: Application
    Filed: February 11, 2009
    Publication date: November 19, 2009
    Inventors: Young-gu Jin, Dae-kil Cha, Seung-hoon Lee, Yoon-dong Park
  • Publication number: 20090251581
    Abstract: An image sensor includes a plurality of unit pixels arranged in an array. Each unit pixel includes a plurality of sub-pixels configured to be irradiated by light having the same wavelength. Each sub-pixel includes a plurality of floating body transistors. Each floating body transistor includes a source region, a drain region, a floating body region between the source region and the drain region, and a gate electrode formed on the floating body region.
    Type: Application
    Filed: August 28, 2008
    Publication date: October 8, 2009
    Inventors: Dae-Kil Cha, Bok-ki Min, Young-gu Jin, Won-joo Kim, Seung-hoon Lee, Yoon-dong Park
  • Publication number: 20090212364
    Abstract: Semiconductor substrates and methods of manufacturing the same are provided. The semiconductor substrates include a substrate region, an insulation region and a floating body region. The insulation region is disposed on the substrate region. The floating body region is separated from the substrate region by the insulation region and is disposed on the insulation region. The substrate region and the floating body region are formed of materials having identical characteristics. The method of manufacturing the semiconductor substrate including forming at least one floating body pattern by etching a bulk substrate, separating the bulk substrate into a substrate region and a floating body region by etching a lower middle portion of the floating body pattern, and filling an insulating material between the floating body region and the substrate region.
    Type: Application
    Filed: July 21, 2008
    Publication date: August 27, 2009
    Inventors: Won-joo Kim, Tae-hee Lee, Dae-kil Cha, Yoon-dong Park
  • Publication number: 20090212320
    Abstract: Semiconductor devices and semiconductor apparatuses including the same are provided. The semiconductor devices include a body region disposed on a semiconductor substrate, gate patterns disposed on the semiconductor substrate and on opposing sides of the body region, and first and second impurity doped regions disposed on an upper surface of the body region. The gate patterns may be separated from the first and second impurity doped regions by, or greater than, a desired distance, such that the gate patterns do not to overlap the first and second impurity doped regions in a direction perpendicular to the first and second impurity doped regions.
    Type: Application
    Filed: July 31, 2008
    Publication date: August 27, 2009
    Inventors: Won-joo Kim, Dae-kil Cha, Tae-hee Lee, Yoon-dong Park