Patents by Inventor Sung Cho

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: 10892386
    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: September 21, 2018
    Date of Patent: January 12, 2021
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Patent number: 10878214
    Abstract: Provided is a complex biometric sensor. The complex biometric sensor includes a substrate including a light emitting region, a first light receiving region, and a second light receiving region, a light emitting part disposed adjacent to the substrate in the light emitting region, a color conversion layer disposed on the substrate in the light emitting region and vertically overlapping the light emitting part; a first light receiving layer disposed on the substrate in the first light receiving region, and a second light receiving layer disposed on the substrate in the second light receiving region. The light emitting part generates light of a first wavelength. The color conversion layer receives light of the first wavelength and emits the light of the first wavelength and light of the second wavelength. The first light receiving layer detects the light of the first wavelength. The second light receiving layer detects the light of the second wavelength.
    Type: Grant
    Filed: April 8, 2019
    Date of Patent: December 29, 2020
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chul Woong Joo, Seung Youl Kang, Jaehyun Moon, Seongdeok Ahn, Jae-Eun Pi, Young Sam Park, Byoung-Hwa Kwon, Sung Haeng Cho, Jeong Ik Lee, Nam Sung Cho, Su Jae Lee
  • Patent number: 10878877
    Abstract: A memory device applies different refresh rates to target data (or objective data) according to data characteristics (i.e., required reliability levels). The memory device includes a memory cell array provided with a plurality of memory cells, a row decoder configured to selectively activate word lines of the memory cell array in response to a row address signal, and a refresh controller configured to output the row address signal in response to the row address signal. The refresh controller controls a refresh ratio of a first storage region and a second storage region contained in the memory cell array in response to a changeable refresh control value.
    Type: Grant
    Filed: June 6, 2019
    Date of Patent: December 29, 2020
    Assignee: SK hynix Inc.
    Inventor: Ho Sung Cho
  • Patent number: 10879437
    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: August 10, 2018
    Date of Patent: December 29, 2020
    Assignee: SEOUL SEMICONDUCTOR CO., LTD.
    Inventors: Won Cheol Seo, Dae Sung Cho
  • Publication number: 20200390607
    Abstract: Provided is an otitis media treatment instrument and, more particularly, to an otitis media treatment instrument having a ventilation tube installed thereon, the otitis media treatment instrument including: a cutting sheath which is configured in a tube shape, and which has an inner diameter larger than the outer diameter of the ventilation tube; and a suction pipe formed to be able to move relative to the cutting sheath inside the cutting sheath along the longitudinal direction of the cutting sheath, the suction pipe having, on the front end portion thereof, an insertion portion having an outer diameter smaller than the inner diameter of the ventilation tube and having a fixing portion which extends toward the front end of the insertion portion, and which has an outer diameter larger than the inner diameter of the ventilation tube.
    Type: Application
    Filed: September 27, 2017
    Publication date: December 17, 2020
    Inventors: Hanyoung LEE, Yong Joon SEO, Ho Sung CHO
  • Publication number: 20200395088
    Abstract: A memory device includes a memory cell array including a plurality of memory cells on which a programming loop is executed a plurality of times; a voltage generator configured to apply a verifying voltage to the memory cells, for verifying at least one programming state of the memory cells; and a voltage controller configured to control the voltage generator to change a level of the verifying voltage as a program loop count increases, based on temperature information about a temperature inside or outside the memory device.
    Type: Application
    Filed: September 1, 2020
    Publication date: December 17, 2020
    Inventor: YONG-SUNG CHO
  • Patent number: 10866681
    Abstract: An electronic apparatus according to various embodiments of the present disclosure includes a housing including a first surface facing in a first direction and a second surface facing in a second direction opposite to the first direction, a first touch screen display arranged between the first and second surfaces and exposed to an outside through the first surface, a second touch screen display arranged between the first and second surfaces and exposed to an outside through the second surface, and at least one pressure sensor arranged between the first and second touch screen displays to sense a pressure of an external object on at least one of the first and second touch screen displays. In addition, other embodiments are possible.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: December 15, 2020
    Inventors: Ji Woong Oh, Jeong Seob Kim, Hyung Sup Byeon, Sung Ho Son, Jung Won Kim, Eun Sung Cho
  • Patent number: 10867672
    Abstract: In some example embodiments, a program pulse is applied to a resistive memory cell and a plurality of post pulses are applied to the resistive memory cell at a time point after a relaxation time from a time point when application of the program pulse is finished, the plurality of post pulses having voltage levels that increase sequentially. Programming speed and/or performance of the resistive memory device may be enhanced by accelerating resistance drift of the resistive memory cell using the plurality of post pulses having the voltage levels that increase sequentially.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: December 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Sung Cho, Moo-Sung Kim, Seung-You Baek, Jong-Min Baek, Bong-Kil Jung
  • Patent number: 10863557
    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: Grant
    Filed: March 22, 2019
    Date of Patent: December 8, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun Yoon, Sang-su Nam, Jae-min Ahn, Dae-sung Cho, Hyun-gyoo Yook
  • Patent number: 10837005
    Abstract: Disclosed are a recombinant microorganism capable of producing methyl anthranilate, wherein the recombinant microorganism is obtained by introducing an aamt1 gene into a microorganism having the capacity to produce anthranilic acid (ANT), and a method of producing methyl anthranilate using the same. The recombinant microorganism is capable of producing methyl anthranilate using only a purely biological process from renewable carbon-circulating biomass without chemical catalytic reaction, thus having an advantage of enabling mass production of high value-added methyl anthranilate in a very economical manner based on an environmentally friendly and simple production process.
    Type: Grant
    Filed: February 15, 2020
    Date of Patent: November 17, 2020
    Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sang Yup Lee, Zi Wei Luo, Jae Sung Cho
  • Publication number: 20200359010
    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: July 27, 2020
    Publication date: November 12, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-Hyun LEE, Tammy Lee, Jianle Chen, Dae-sung Cho, Woo-jin Han, Il-koo Kim
  • Publication number: 20200354579
    Abstract: A pearlescent pigment for security purposes according to an embodiment of the present invention includes a single or a plurality of coating layers containing a metal oxide and an organic or inorganic fluorescent material. Since the pearlescent pigment for security purposes according to the present disclosure includes a fluorescent layer containing the organic or inorganic fluorescent material, it can be used as a pigment for security purposes due to its optical characteristics and can also provide effects such as magnetism, high color intensity, multiple colors, etc. Also, since the pearlescent pigment for security purposes has aesthetic benefit and security characteristic at the same time, it is economical, easy to use and applicable in various industries.
    Type: Application
    Filed: September 19, 2018
    Publication date: November 12, 2020
    Inventors: Kum-sung CHO, Kyung-don NAM, Jae-il JEONG, Kwang-choong KANG, Byung-ki CHOI, Kwang-soo LIM, Kil-wan CHANG
  • Publication number: 20200352460
    Abstract: A pixel circuit includes a sensing block, a stimulation block, a first line control circuit, and a second line control circuit. The sensing block outputs biometric data of a biosignal in response to a first selection signal. The stimulation block radiates a stimulation signal in response to a second selection signal. The first line control circuit outputs the first selection signal for selecting the sensing block as a target sensing block, and outputs the second selection signal for selecting the stimulation block as a target stimulation block. The second line control circuit processes characteristic data associated with the biometric data and the stimulation signal.
    Type: Application
    Filed: April 20, 2020
    Publication date: November 12, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: CHUNWON BYUN, O Eun KWON, Chan Woo PARK, Hyunkoo LEE, Sukyung CHOI, Chan-mo KANG, Byoung-Hwa KWON, Chil Seong AH, Hyunsu CHO, JEONG IK LEE, Nam Sung CHO
  • Publication number: 20200357177
    Abstract: According to the disclosed embodiments, virtualized information of a three-dimensional position for a position selected by the user is provided so that the user can place virtual content at an accurate position when authoring AR content. According to an embodiment, an apparatus for generating point cloud data includes a hardware processor to implement a feature point extractor to extract feature points from images obtained by capturing a three-dimensional region, a point cloud data generator to generate point cloud data related to the three-dimensional region on the basis of the extracted feature points, an overlay image display to display the generated point cloud data by overlaying the point cloud data on a currently captured image, and a three-dimensional position determiner to determine a three-dimensional position for a position selected by a user in the image.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 12, 2020
    Inventors: Jae Wan PARK, Gi Seok KWON, Kyu Sung CHO, Seung Lee KIM
  • Publication number: 20200349985
    Abstract: A memory device includes a memory cell array having a plurality of memory cell strings, and a plurality of bit lines connected to at least one of the plurality of memory cell strings; and a plurality of page buffers connected to the plurality of bit lines, wherein each of the plurality of page buffers includes a plurality of latches sharing one data transfer node and exchanging data with each other through the data transfer node; and a pass transistor setting a connection between the data transfer node and another data transfer node of another page buffer.
    Type: Application
    Filed: July 21, 2020
    Publication date: November 5, 2020
    Inventors: Yong Sung CHO, Jeung Hwan PARK, Jong Min KIM, Jung Kwan KIM
  • Patent number: 10809835
    Abstract: An electronic device according to an embodiment of the present invention comprises: a housing that comprises a first surface which faces a first direction and a second surface which faces a second direction opposite to the first direction, and that comprises a first transparent plate which forms at least a portion of the first surface of the housing; a display that is disposed between the first transparent plate and the second face of the housing, and comprises a second transparent plate which faces the first direction, and a third transparent plate which faces the second direction; a first electrode, a second electrode, a third electrode, and a fourth electrode that are disposed between the second transparent plate and the third transparent plate; and a control circuit that is electrically connected to the first electrode, the second electrode, the third electrode, and the fourth electrode, wherein the control circuit may be configured to detect the position of touch input with respect to the first transpare
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 20, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyung-Sup Byeon, Jung-Won Kim, Han-Vit Kang, Ho-Kyung Kang, Kwang-Tai Kim, Byeong-Cheol Kim, Kyung-Wan Park, Yo-Han Lee, Jeong-Sik Jeong, Eun-Sung Cho, Hyun-Ju Hong
  • Publication number: 20200321046
    Abstract: A memory device includes a plurality of memory cells connected to a plurality of word lines and a plurality of bit lines; a decoder circuit including a first bias circuit inputting a first bias voltage to a selected word line, and a second bias circuit inputting a second bias voltage to a selected bit line, a first switch element connected to the selected word line, and a second switch element connected between the first switch element and the first bias circuit; and a control logic configured to control the first and second switch elements, when a predetermined delay time elapses after the second bias voltage is input to the selected bit line. The control logic turns off the first switch element while the second switch element is turned on.
    Type: Application
    Filed: September 22, 2019
    Publication date: October 8, 2020
    Inventors: Yong Sung CHO, Venkataramana GANGASANI, Hee Won KIM, Tae Hui NA
  • Patent number: 10796803
    Abstract: An electronic device includes a housing, with a display exposed through a part of the housing. The housing includes a first motion sensor to detect movement of the housing, a wireless communication circuit, a processor, and a memory that stores instructions to be executed by a processor. The instructions include generating a wireless communication channel with an external electronic device including a second motion sensor; monitoring the movement of the housing to generate first data for a first time period; receiving second data for the first time period through the wireless communication channel; calculating, as a value for the first time period, a value, smaller than the sum of a first value based on the first data and a second value based on the second data; and displaying the calculated value through a user interface displayed on the display.
    Type: Grant
    Filed: February 17, 2017
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kwangjo Lee, Hyunsu Kim, Jihye Son, Moonbae Song, Sanghwa Lee, Woosang Lee, Jae-Hwan Lee, Jaeyoun Jeong, Bum-Sung Cho
  • Patent number: 10789448
    Abstract: The inventive concept provides an organic electronic device and a method of fabricating the same. The organic electronic device includes a flexible substrate configured to include a first region and a second region which are laterally spaced apart from each other, an organic light-emitting diode disposed in the first region of the flexible substrate, and a photodetector disposed in the second region of the flexible substrate, wherein the organic light-emitting diode and the photodetector are disposed on the same plane.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: September 29, 2020
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Young Sam Park, Jaehyun Moon, Seongdeok Ahn, Seung Youl Kang, Sung Haeng Cho, Byoung Gon Yu, Jeong Ik Lee, Jonghee Lee, Nam Sung Cho, Doo-Hee Cho, Hyunsu Cho
  • Patent number: 10789021
    Abstract: A memory device includes a memory cell array including a plurality of memory cells on which a programming loop is executed a plurality of times; a voltage generator configured to apply a verifying voltage to the memory cells, for verifying at least one programming state of the memory cells; and a voltage controller configured to control the voltage generator to change a level of the verifying voltage as a program loop count increases, based on temperature information about a temperature inside or outside the memory device.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: September 29, 2020
    Assignee: Volentine, Whitt & Francos, PLLC
    Inventor: Yong-Sung Cho