Patents by Inventor Dae-sung Cho

Dae-sung Cho 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: 20160093271
    Abstract: Apparatuses and methods for reproducing an image in a plurality of displays are provided. The method includes obtaining a display identifier that identifies a position of a display among the plurality of displays, based on information on an arrangement of the plurality of displays transmitted by the image reproduction control apparatus; obtaining an image segment to be reproduced in a display corresponding to the display identifier among the plurality of displays, from the image; determining the importance factor of the image segment based on at least one of the image and the viewing environment of the plurality of displays; generating an encoded image segment by encoding the image segment according to an encoding method corresponding to the importance factor; and transmitting a bitstream including the display identifier, the importance factor and the encoded image segment to the image reproduction control apparatus.
    Type: Application
    Filed: August 11, 2015
    Publication date: March 31, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-sung CHO, Sung-jin KIM, Woo-sung SHIM, Jae-hyun KIM
  • Patent number: 9293664
    Abstract: Exemplary embodiments of the present invention provide a wafer-level light emitting diode (LED) package and a method of fabricating the same. The LED package includes a semiconductor stack including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer, the contact holes exposing the first conductive type semiconductor layer; a first bump arranged on a first side of the semiconductor stack, the first bump being electrically connected to the first conductive type semiconductor layer via the plurality of contact holes; a second bump arranged on the first side of the semiconductor stack, the second bump being electrically connected to the second conductive type semiconductor layer; and a protective insulation layer covering a sidewall of the semiconductor stack.
    Type: Grant
    Filed: July 31, 2015
    Date of Patent: March 22, 2016
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Publication number: 20160043282
    Abstract: The present invention relates to a light emitting diode and a method of manufacturing same. The light emitting diode includes: a first conductive semiconductor layer; a plurality of mesas that are disposed spaced apart from one another on the first conductive semiconductor layer, each mesa including an active layer and a second conductive semiconductor layer; reflective electrodes that are respectively disposed on the plurality of mesas and come into ohmic contact with the second conductive semiconductor layer; openings that cover the plurality of mesas and the first conductive semiconductor layer, are electrically insulated from the mesas, and expose the reflective electrodes to the upper region of each mesa; and a current spreading layer that comes into ohmic contact with the first conductive semiconductor layer. Thus, a light emitting diode that improves current spreading performance may be provided.
    Type: Application
    Filed: October 22, 2015
    Publication date: February 11, 2016
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Patent number: 9252326
    Abstract: The present invention relates to a light emitting device including at least three pairs of half-wave light emitting units, each pair including a terminal of a first half-wave light emitting unit connected to a terminal of a second half-wave light emitting unit, the terminals having the same polarity, a polarity of the connected terminals of one half-wave light emitting unit pair being opposite to the polarity of the connected terminals of an adjacent half-wave light emitting unit. The light emitting device also includes at least two full-wave light emitting units each connected to adjacent pairs of half-wave light emitting units.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: February 2, 2016
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Kyung Hee Ye, Dae Sung Cho, Won Cheol Seo, Young Eun Yang, Sum Geun Lee
  • Publication number: 20160021372
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: January 21, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Patent number: 9219196
    Abstract: Exemplary embodiments of the present invention provide a wafer-level light emitting diode (LED) package and a method of fabricating the same. The LED package includes a semiconductor stack including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer, the contact holes exposing the first conductive type semiconductor layer; a first bump arranged on a first side of the semiconductor stack, the first bump being electrically connected to the first conductive type semiconductor layer via the plurality of contact holes; a second bump arranged on the first side of the semiconductor stack, the second bump being electrically connected to the second conductive type semiconductor layer; and a protective insulation layer covering a sidewall of the semiconductor stack.
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: December 22, 2015
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Publication number: 20150358638
    Abstract: A video encoding method and apparatus and a video decoding method and apparatus are provided. The video encoding method includes: prediction encoding in units of a coding unit as a data unit for encoding a picture, by using partitions determined based on a first partition mode and a partition level, so as to select a partition for outputting an encoding result from among the determined partitions; and encoding and outputting partition information representing a first partition mode and a partition level of the selected partition. The first partition mode represents a shape and directionality of a partition as a data unit for performing the prediction encoding on the coding unit, and the partition level represents a degree to which the coding unit is split into partitions for detailed motion prediction.
    Type: Application
    Filed: August 20, 2015
    Publication date: December 10, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Hyun LEE, Tammy LEE, Jianle CHEN, Dae-Sung CHO, Woo-Jin HAN, Il-Koo KIM
  • Patent number: 9209358
    Abstract: Disclosed are a semiconductor device and a method of fabricating the same. A light emitting diode (LED) includes a conductive substrate, and a gallium nitride (GaN)-based semiconductor stack positioned on the conductive substrate. The semiconductor stack includes an active layer that is a semi-polar semiconductor layer. Accordingly, it is possible to provide an LED having improved light emitting efficiency.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: December 8, 2015
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Won Cheol Seo, Dae Sung Cho, Chung Hoon Lee, Ki Bum Nam
  • Publication number: 20150350675
    Abstract: An apparatus and method for encoding and decoding an image are provided. The image decoding method includes decoding luma blocks according to a predetermined decoding mode of each of the luma blocks, and decoding chroma blocks according to the predetermined decoding mode of each of the luma blocks.
    Type: Application
    Filed: August 12, 2015
    Publication date: December 3, 2015
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dae-Sung CHO, Woo-Shik Kim, Dmitri Birinov, Hyun-Mun Kim
  • Patent number: 9202972
    Abstract: The present invention relates to a light emitting device including at least three pairs of half-wave light emitting units, each pair including a terminal of a first half-wave light emitting unit connected to a terminal of a second half-wave light emitting unit, the terminals having the same polarity, a polarity of the connected terminals of one half-wave light emitting unit pair being opposite to the polarity of the connected terminals of an adjacent half-wave light emitting unit. The light emitting device also includes at least two full-wave light emitting units each connected to adjacent pairs of half-wave light emitting units.
    Type: Grant
    Filed: January 19, 2011
    Date of Patent: December 1, 2015
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Kyung Hee Ye, Dae Sung Cho, Won Cheol Seo, Young Eun Yang, Sum Geun Lee
  • Publication number: 20150340579
    Abstract: Exemplary embodiments of the present invention provide a wafer-level light emitting diode (LED) package and a method of fabricating the same. The LED package includes a semiconductor stack including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer, the contact holes exposing the first conductive type semiconductor layer; a first bump arranged on a first side of the semiconductor stack, the first bump being electrically connected to the first conductive type semiconductor layer via the plurality of contact holes; a second bump arranged on the first side of the semiconductor stack, the second bump being electrically connected to the second conductive type semiconductor layer; and a protective insulation layer covering a sidewall of the semiconductor stack.
    Type: Application
    Filed: July 31, 2015
    Publication date: November 26, 2015
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Publication number: 20150288967
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150288966
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 8, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung CHO, Shi-hwa LEE, Sang-wook KIM
  • Patent number: 9153750
    Abstract: A light emitting diode (LED) package includes a plurality of light emitting cells each including a first conductive type semiconductor layer, an active layer, and a second conductive type semiconductor layer; a plurality of contact holes arranged in the second conductive type semiconductor layer and the active layer of each of the light emitting cells, the contact holes exposing the first conductive type semiconductor layer of each of the light emitting cells; a connector located arranged on a first side of the light emitting cells and electrically connecting two adjacent light emitting cells to each other; a first bump arranged on the first side of the light emitting cells; and a second bump arranged on the first side of the light emitting cells.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: October 6, 2015
    Assignee: Seoul Semiconductor Co., Ltd.
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Publication number: 20150281721
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150281722
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150281719
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik Kim, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150281720
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150281718
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim
  • Publication number: 20150281694
    Abstract: An image coding method and apparatus considering human visual characteristics are provided. The image coding method comprises (a) modeling image quality distribution of an input image in units of scenes such that the quality of an image input in units of scenes is gradually lowered from a region of interest to a background region, (b) determining a quantization parameter of each region constituting one scene according to the result of modeling of image quality distribution, (c) quantizing image data in accordance with the quantization parameter, and (d) coding entropy of the quantized image data.
    Type: Application
    Filed: June 17, 2015
    Publication date: October 1, 2015
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Woo-shik KIM, Dae-sung Cho, Shi-hwa Lee, Sang-wook Kim