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).

  • Patent number: 10602172
    Abstract: An image encoding and decoding apparatus and method, the image encoding and decoding apparatus includes: an encoding unit adjusting at least one weight value adaptively to the number of bits expressing each pixel of a current image, predicting a pixel value of a block of interest by performing an operation on a pixel value of at least one block having a pixel value similar to the pixel value of the block of interest among blocks included in a previous image and the at least one adjusted weight value, and encoding the pixel value of the block of interest using the predicted pixel value of the block of interest; and a decoding unit adjusting the at least one weight value adaptively to the number of bits, restoring the predicted pixel value of the block of interest by performing an operation on the pixel value of the at least one block having the pixel value similar to the pixel value of the block of interest among blocks included in the restored previous image and the at least one adjusted weight value, and dec
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Mun Kim, Dae-sung Cho, Woo-shik Kim
  • Publication number: 20200066691
    Abstract: A light emitting device for a display includes a pixel region including first, second, and third LED stacks, an adhesive layer disposed between the first and second LED stacks, or between the second and third LED stacks, a metal bonding layer at least partially surrounded by the adhesive layer, and disposed between and is electrically connected to the first and second LED stacks, or the second and third LED stacks, and a common electrode pad connected to the first, second, and third LED stacks, first, second, and third electrode pads connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Publication number: 20200066690
    Abstract: A light emitting device for a display including a plurality of pixel regions defined between at least one separation region disposed between the pixel regions, and a barrier disposed in the separation region, in which each of the pixel regions includes a first LED stack, a second LED stack disposed on the first LED stack, a third LED stack disposed on the second LED stack, and electrode pads electrically connected to the first, second, and third LED stacks, the electrode pads comprising a common electrode pad, a first electrode pad, a second electrode pad, and a third electrode pad, the common electrode pad is connected to the first, second, and third LED stacks, the first, second, and third electrode pads are connected to the first, second, and third LED stacks, respectively, and the first, second, and third LED stacks are configured to be independently driven using the electrode pads.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Publication number: 20200043998
    Abstract: An organic light-emitting diode display device includes a pixel electrode, a pixel-defining layer, an organic emission layer, and a counter electrode. The pixel-defining layer includes an opening partially exposing the pixel electrode. The organic emission layer is disposed on the pixel electrode. The organic emission layer is disposed in the opening. The counter electrode is disposed on the organic emission layer. The counter electrode opposes the pixel electrode. The pixel-defining layer includes a first pixel-defining layer and a second pixel-defining layer. The first pixel-defining layer is disposed on the pixel electrode and includes an inorganic material. The second pixel-defining layer is disposed on the first pixel-defining layer and includes an organic material. A sidewall of the first pixel-defining layer that is closest to the opening is aligned with a sidewall of the second pixel-defining layer that is closest to the opening.
    Type: Application
    Filed: April 3, 2019
    Publication date: February 6, 2020
    Inventors: Dae Won Choi, Tae Wook Kang, Kyeong Su Ko, Sang Gab Kim, Tae Sung Kim, Joon Geol Lee, Hyun Min Cho
  • Patent number: 10536697
    Abstract: Provided is a re-encoding method including obtaining a first quantization table from a bitstream including an image encoded using the first quantization table; obtaining a second quantization table based on a pattern representing a size distribution of values of elements of the first quantization table, the second quantization table including elements respectively corresponding to the elements of the first quantization table; and re-encoding a reconstructed image by using the second quantization table, the reconstructed image being obtained by decoding the encoded image by using the first quantization table.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: January 14, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dai-woong Choi, Woong-il Choi, Dae-sung Cho
  • Publication number: 20200013928
    Abstract: A light emitting diode including a first conductive type semiconductor layer, a mesa disposed on the first conductive type semiconductor layer, the mesa including an active layer and a second conductive type semiconductor layer, a reflective electrode disposed on the mesa and configured to be in ohmic-contact with the second conductive type semiconductor layer, a current spreading layer disposed on the mesa and the reflective electrode, the current spreading layer including a first portion configured to be in ohmic-contact with an upper surface of the first conductive type semiconductor layer, a first n-contact region spaced apart from a second n-contact region with the mesa disposed between the first and second n-contact regions, and an insulation layer including a first opening exposing the reflective electrode between the first and second n-contact regions. The first and second n-contact regions have a second opening that exposes the first conductive type semiconductor layer.
    Type: Application
    Filed: September 16, 2019
    Publication date: January 9, 2020
    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: 10522885
    Abstract: The secondary battery module includes: A secondary battery module, comprising: a plurality of sub modules, each including battery cell and cooling fin wherein the battery is disposed on both side surfaces of the cooling fin; a cooling plate which is coupled to the plurality of the sub modules; and side structures having bus bars, wherein a terminal unit is disposed at each of the plurality of sub modules, wherein the terminal unit includes a contact terminal disposed between electrode tabs of the battery cells; and a wing terminal which extends outwardly from one end of the contact terminal, wherein the terminal unit disposed at one of the plurality of sub modules is connected with another terminal unit disposed at another sub module by one of the bus bars.
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 31, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: O Sung Kwon, Seok Chun Cho, Sei Hoon Cho, Ho Chul Kang, Dae Won Kwon
  • Publication number: 20190364269
    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 12, 2019
    Publication date: November 28, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Hyun LEE, Tammy LEE, Jianle CHEN, Dae-sung CHO, Woo-jin HAN, Il-koo KIM
  • Patent number: 10483767
    Abstract: There are provided a thin film coil and an electronic device having the same, the thin film coil including a substrate; and a coil pattern including a first coil strand and a second coil strand formed on both surfaces of the substrate, respectively, wherein the first coil strand formed on one surface of the substrate includes at least one gyration path that passes through the other surface of the substrate and gyrates.
    Type: Grant
    Filed: September 21, 2015
    Date of Patent: November 19, 2019
    Assignee: WITS Co., Ltd.
    Inventors: Dae Ki Lim, Tae Sung Kim, Hyeon Gil Nam, Chan Gwang An, Hyun Seok Lee, Ki Won Chang, Chang Mok Han, Sang Woo Bae, Sung Eun Cho, Jae Suk Sung
  • Patent number: 10467933
    Abstract: A display device according to an embodiment of the present disclosure comprises: a display disposed on the front surface of the display device; a front camera for capturing a user located in front of the display device; a rear camera for capturing a wall surface positioned behind the display device; a sensor unit for measuring the distance between the display device and the wall surface; and a processor for determining a position of the user with regard to the captured image of the user, and for controlling the display to display an image corresponding to a partial area of the wall surface existing in the direction in which the display device is located with respect to the position of the user in the captured images of the wall surface.
    Type: Grant
    Filed: October 31, 2016
    Date of Patent: November 5, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-myung Hur, Hye-suk Kim, Jong-jin Park, Jae-sung An, Hyun-kyu Yun, Myoung-il Lee, Bong-seok Lee, Dae-woo Cho
  • Patent number: 10455210
    Abstract: A method, medium, and apparatus encoding and/or decoding an image in order to increase encoding and decoding efficiency by performing binary-arithmetic coding/decoding on a binary value of a syntax element using a probability model having the same syntax element probability value for respective context index information of each of at least two image components.
    Type: Grant
    Filed: December 28, 2017
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dae-sung Cho, Hyun-mun Kim, Woo-shik Kim, Dmitri Birinov
  • Patent number: 10439105
    Abstract: A light emitting diode including a first conductive type semiconductor layer, a mesa disposed on the first conductive type semiconductor layer, the mesa including an active layer and a second conductive type semiconductor layer, a reflective electrode disposed on the mesa and configured to be in ohmic-contact with the second conductive type semiconductor layer, a current spreading layer disposed on the mesa and the reflective electrode, the current spreading layer including a first portion configured to be in ohmic-contact with an upper surface of the first conductive type semiconductor layer, a first n-contact region spaced apart from a second n-contact region with the mesa disposed between the first and second n-contact regions, and an insulation layer including a first opening exposing the reflective electrode between the first and second n-contact regions. The first and second n-contact regions have a second opening that exposes the first conductive type semiconductor layer.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: October 8, 2019
    Assignee: Seoul Viosys Co., Ltd.
    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: 10419751
    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: Grant
    Filed: December 26, 2018
    Date of Patent: September 17, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Hyun Lee, Tammy Lee, Jianle Chen, Dae-sung Cho, Woo-jin Han, Il-koo Kim
  • Publication number: 20190237797
    Abstract: Various embodiments of the present invention provide a stacking device for a secondary battery configured to stack electrode plates at a high rate, a stacking method using the same, and a secondary battery obtained thereby.
    Type: Application
    Filed: June 21, 2017
    Publication date: August 1, 2019
    Inventors: Jae Kyung CHO, Hyun Sang JOO, Chan Jin CHOI, Kyoung Heon HEO, Dae Wook KI, Gi Sung KIM
  • Publication number: 20190220186
    Abstract: A method includes: executing an application prepared by an application programming interface (API) of a platform; and providing a network setting information to be used in the executed application to a display. A network connection is performed by the platform based on the network setting information.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 18, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun YOON, Sang-su Nam, Jae-min Ahn, Dae-sung Cho, Hyun-gyoo Yook
  • Patent number: 10340559
    Abstract: A secondary battery pack includes: a secondary battery module including battery cells and cooling fins; a first structure formed under the secondary battery module and including a cooling channel and coupling brackets; a second structure which is formed in a shape mounted on side faces of the secondary battery module and includes a printed circuit board; and a cover mounted over the second structure.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: July 2, 2019
    Assignee: SK INNOVATION CO., LTD.
    Inventors: Dae Won Kwon, Ho Chul Kang, O Sung Kwon, Seok Chun Cho, Sei Hoon Cho
  • Publication number: 20190189596
    Abstract: A light emitting device for a display includes first LED sub-unit, second LED, and third LED sub-units, an insulating layer substantially covering the first, second, and third LED sub-units, and electrode pads electrically connected to the first, second, and third LED sub-units, in which the first LED sub-unit is disposed on a partial region of the second LED sub-unit, the second LED sub-unit is disposed on a partial region of the third LED sub-unit, the insulating layer has openings for electrical connection between the electrode pads, a common electrode pad is connected to the first, second, and third LED sub-units through the openings in the insulating layer, first, second, and third electrode pads are connected to the first, second, and third LED sub-units, respectively, through at least one of the openings, and the first, second, and third LED sub-units are configured to be independently driven using the electrode pads.
    Type: Application
    Filed: November 22, 2018
    Publication date: June 20, 2019
    Inventors: Jong Hyeon CHAE, Chang Yeon KIM, Seong Gyu JANG, Ho Joon LEE, Jong Min JANG, Dae Sung CHO
  • Patent number: 10319884
    Abstract: A light emitting diode includes a first conductive type semiconductor layer and a mesa disposed on the first conductive type semiconductor layer. The mesa includes an active layer and a second conductive type semiconductor layer. A reflective electrode is disposed on the mesa to be in ohmic-contact with the second conductive type semiconductor layer. A current spreading layer is disposed on the mesa and the reflective electrode. A first portion of the current spreading layer is in ohmic-contact with an upper surface of an end portion of the first conductive type semiconductor layer. A lower insulating layer is disposed between the mesa and the current spreading layer, and the reflective electrode and the current spreading layer. An upper insulating layer covers the current spreading layer and includes a first hole exposing a second portion of the current spreading layer that is disposed on an upper portion of the mesa.
    Type: Grant
    Filed: April 19, 2016
    Date of Patent: June 11, 2019
    Assignee: Seoul Viosys Co., Ltd.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In
  • Publication number: 20190164945
    Abstract: A light emitting diode stack for a display includes a support substrate, a first LED stack, a second LED stack, and a third LED stack, a conductive growth substrate coupled to the second LED stack or the third LED stack, a first color filter interposed between the first and second LED stacks and transmitting light generated from the first LED stack while reflecting light generated from the second LED stack, and a second color filter interposed between the second and third LED stacks and transmitting light generated from the first and second LED stacks while reflecting light generated from the third LED stack, in which light generated from the first LED stack is emitted outside through the second LED stack, the third LED stack, and the conductive growth substrate, and light generated from the second LED stack is emitted outside through the third LED stack and the conductive growth substrate.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 30, 2019
    Inventors: Jong Hyeon Chae, Chang Yeon Kim, Ho Joon Lee, Seong Gyu Jang, Chung Hoon Lee, Dae Sung Cho
  • Patent number: 10297720
    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: Grant
    Filed: October 22, 2015
    Date of Patent: May 21, 2019
    Assignee: SEOUL VIOSYS CO., LTD.
    Inventors: Jong Hyeon Chae, Jong Min Jang, Won Young Roh, Daewoong Suh, Dae Sung Cho, Joon Sup Lee, Kyu Ho Lee, Chi Hyun In