Patents by Inventor Eun-Seok Choi

Eun-Seok Choi 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: 20220206404
    Abstract: The present invention provides an external additive for toner, selected from the group consisting of tin oxide fine particles, complex tin oxide fine particles, and a mixture of the same fine particles, wherein the fine particles are (?) charged fine particles having an energy band gap of 3.2 to 3.6 eV, an electronegativity value (?) of 15 to 18, and a Blow-Off charge amount (uC/g) of ?100 to ?150. The external additive for toner of the present invention can: replace nano-sized titanium dioxide which has been conventionally used as an external additive for toner; guarantee general consumers using image devices as well as workers in the image industry safety from the harmful influences that may be generated upon exposure to the nano-sized titanium dioxide detached from the surface of a toner in use; and be safe for the human body.
    Type: Application
    Filed: April 16, 2020
    Publication date: June 30, 2022
    Applicant: SUKGYUNG AT CO., LTD.
    Inventors: Hyung Jun LIM, Young Chul YOU, O Sung KWON, Jin Seop KIM, Sang Gon KIM, Eun Young SONG, So Yeon LEE, Yong Gu YOO, Hyeon Seok CHOI
  • Publication number: 20220189985
    Abstract: A semiconductor device includes a stacked body including stacked insulating layers and stacked conductive layers; a cell plug; a connection contact structure; and a source layer coupled to the cell plug. The cell plug includes upper and lower portions, the connection contact structure includes a first connection contact disposed at substantially the same level as the lower portion of the cell plug, and a second connection contact disposed at substantially the same level as the upper portion thereof, a level at which the first and second connection contacts contact each other is substantially the same as a level at which the upper and lower portions of the cell plug contact each other, and a level of an uppermost portion of the second connection contact is higher than a level of a bottom surface of the source layer, and is lower than a level of a top surface thereof.
    Type: Application
    Filed: June 23, 2021
    Publication date: June 16, 2022
    Applicant: SK hynix Inc.
    Inventor: Eun Seok CHOI
  • Patent number: 11165113
    Abstract: Disclosed herein is a pouch-shaped battery cell configured to have a structure in which an electrode assembly is received in a pouch-shaped battery case together with an electrolytic solution, wherein the pouch-shaped battery case is made of a laminate sheet including a metal layer and a resin layer, an upper edge of the pouch-shaped battery case, from which electrode terminals protrude outward, and opposite side edges of the pouch-shaped battery case, which are adjacent to the upper edge of the pouch-shaped battery case, are thermally fused to constitute a sealed portion of the pouch-shaped battery case, the opposite side edges of the pouch-shaped battery case being bent perpendicularly from the upper edge of the pouch-shaped battery case toward an electrode assembly receiving unit for receiving the electrode assembly, and a protective film is attached so as to wrap the perpendicularly bent opposite side edges of the pouch-shaped battery case.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 2, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Hwa Lee, In Gu An, Jae Han Jung, Eun Seok Choi
  • Publication number: 20210289252
    Abstract: A display device and a control method therefor are disclosed. According to the disclosure, the display device comprises: a sensor for sensing the surrounding environmental state; an inputter for receiving a user command for content conversion; an outputter for outputting content corresponding to the user command; and a processor for controlling the outputter such that screen brightness and/or audio output strength of second content corresponding to the user command is changed and outputted, when the user command is inputted, on the basis of the sensed surrounding environmental state and/or output information of currently outputted first content. Therefore, the display device can variously output an output of content image and/or audio according to the surrounding environmental state.
    Type: Application
    Filed: September 8, 2017
    Publication date: September 16, 2021
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nak-won CHOI, Young-kwang SEO, Eun-seok CHOI, Jin-hyuk HONG
  • Patent number: 11112823
    Abstract: Provided is a display device or a display panel including a substrate on which a plurality of light emitting elements are mountable, and on which at least one hole is formed to penetrate through the substrate among the plurality of light emitting elements, and at least one microphone mountable on a rear side of the substrate to collect a sound passing through the at least one hole.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: September 7, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Il Yoon, Ho June Yoo, Eun Seok Choi, Hyun Kyu Yun, Kang Wook Chun
  • Patent number: 11094273
    Abstract: The present disclosure relates to a display apparatus including a display panel configured to display an image in a first direction, a sensor disposed in a direction opposite to the first direction with respect to the display panel and comprising a sensor head configured to transmit ultrasonic waves in a second direction or receive the ultrasonic waves in a direction opposite to the second direction, and a guide comprising a first opening into which the sensor head is inserted, a second opening opened in the second direction, a channel connecting the first opening and the second opening, and a guide portion provided inside the channel to guide the ultrasonic waves to change a traveling direction of the ultrasonic waves passing through the channel.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kwang Seo, Atsuya Yokoi, Hiromi Tachibana, Eun Seok Choi
  • Patent number: 11025980
    Abstract: A user terminal apparatus is provided. The user terminal apparatus for performing a remote control function for an electronic apparatus includes a communication unit configured to communicate with an electronic apparatus for providing a text input user interface (UI), an input unit configured to receive a user command for input of a specific text on the text input UI, a fingerprint scanner provided in the input unit and configured to recognize a user fingerprint, and a controller configured to recognize a user fingerprint according to the user command and to transmit information corresponding to the recognized user fingerprint to the electronic apparatus in response to the electronic apparatus entering a preset text input mode.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: June 1, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji Kim, Sang-on Choi, Byung-seok Soh, Mi-ra Yu, Ho-june Yoo, Eun-seok Choi
  • Publication number: 20210159245
    Abstract: A semiconductor memory device includes: a stacked structure including first and second select patterns spaced apart from each other in a first direction; a gate isolation layer extending in a second direction intersecting the first direction between the first and second select patterns; channel structures penetrating the stack structure; and first and second bit lines extending in the first direction, the first and second bit lines being adjacent to each other. The channel structures include: a first channel structure which penetrates the first select pattern and is spaced apart by a first distance from the gate isolation layer in the first direction; and a second channel structure which penetrates the second select pattern and is spaced apart by substantially the first distance from the gate isolation layer in the first direction. The first and second channel structures are respectively connected to the second and first bit lines.
    Type: Application
    Filed: May 6, 2020
    Publication date: May 27, 2021
    Applicant: SK hynix Inc.
    Inventors: Young Ock HONG, Eun Seok CHOI
  • Publication number: 20210159535
    Abstract: A method for manufacturing a secondary battery, having an activation process, in which charging/discharging and aging are performed, according to the present invention comprises: a step of providing a first cell and a second cell, each of which has a structure in which an electrode assembly is embedded in a pouch, and a negative electrode lead and a positive electrode lead protrude to the outside of the pouch; a step of stacking the first cell and the second cell; and a step of bonding the positive electrode leads of the first and second cells to each other and bonding the negative electrode leads of the first and second cells to each other, wherein each of the first and second cells is individually activated before the step of providing the first cell and the second cell.
    Type: Application
    Filed: January 10, 2020
    Publication date: May 27, 2021
    Applicant: LG CHEM, LTD.
    Inventors: Eun Seok CHOI, Hyun Tae KIM, Kyoung Won KANG
  • Patent number: 11019299
    Abstract: A portable device, a display apparatus, a display system, and a method for controlling power of a display apparatus thereof are provided. The method includes sensing, while a portable device operates in a standby mode, a movement of the portable device using a motion sensor, converting, using the portable device, the standby mode of the portable device into a normal mode in response to the movement of the portable device being sensed, generating, using the portable device, a pre-power on signal in response to the standby mode being converted into the normal mode, transmitting the pre-power on signal to the display apparatus, and activating, by the display apparatus, some elements of the display apparatus in response to the pre-power on signal being received.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-seok Choi, Mi-ra Yu, Sang-on Choi
  • Patent number: 10992980
    Abstract: A user terminal apparatus is provided. The user terminal apparatus for performing a remote control function for an electronic apparatus includes a communication unit configured to communicate with an electronic apparatus for providing a text input user interface (UI), an input unit configured to receive a user command for input of a specific text on the text input UI, a fingerprint scanner provided in the input unit and configured to recognize a user fingerprint, and a controller configured to recognize a user fingerprint according to the user command and to transmit information corresponding to the recognized user fingerprint to the electronic apparatus in response to the electronic apparatus entering a preset text input mode.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: April 27, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji Kim, Sang-on Choi, Byung-seok Soh, Mi-ra Yu, Ho-june Yoo, Eun-seok Choi
  • Publication number: 20210110705
    Abstract: An electronic apparatus, control method thereof, remote control apparatus that controls the electronic apparatus, and control method thereof. The remote control apparatus includes a communication unit which communicates with the electronic apparatus; a user input unit which receives a user button selection indicating an input button; a sensing unit which senses movement of the remote control apparatus; and a control unit which controls the communication unit to transmit information about the user button selection to perform a function corresponding to the input button if the remote control apparatus is in a button input mode, and to transmit information about the movement of the remote control apparatus to the electronic apparatus to control the electronic apparatus by the movement if the remote control apparatus is in a motion recognition mode. Accordingly, controlling a game or a multimedia content is easier, and the user is provided with a new and interesting experience.
    Type: Application
    Filed: December 21, 2020
    Publication date: April 15, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-seok CHOI, Ho-june YOO, Sang-on CHOI, Byung-seok SOH
  • Patent number: 10914009
    Abstract: A non-phosphate coated metal material for plastic working includes a metal material, a coating layer formed on a surface of the metal material, and a lubrication layer on the coating layer. The coating layer includes calcium tetraborate. A method for manufacturing a non-phosphate coated metal material includes a pre-treatment process to remove foreign matters or scale from a surface of a metal material, a coating treatment process to form a coating layer on the surface of the metal material by dipping the metal material, which is subject to the pre-treatment process, into a coating agent, and a lubrication treatment process to form a lubrication layer on the coating layer through the contact between the coated metal material and a lubricating agent. The coating agent includes a non-phosphate treatment solution including at least one borate selected from sodium tetraborate and a hydrate thereof, sodium nitrite, calcium hydroxide, and water.
    Type: Grant
    Filed: July 28, 2015
    Date of Patent: February 9, 2021
    Assignee: HAN YOUNG STEEL WIRE CO., LTD.
    Inventor: Eun Seok Choi
  • Publication number: 20210029403
    Abstract: A user terminal apparatus is provided. The user terminal apparatus for performing a remote control function for an electronic apparatus includes a communication unit configured to communicate with an electronic apparatus for providing a text input user interface (UI), an input unit configured to receive a user command for input of a specific text on the text input UI, a fingerprint scanner provided in the input unit and configured to recognize a user fingerprint, and a controller configured to recognize a user fingerprint according to the user command and to transmit information corresponding to the recognized user fingerprint to the electronic apparatus in response to the electronic apparatus entering a preset text input mode.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 28, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji KIM, Sang-on CHOI, Byung-seok SOH, Mi-ra YU, Ho-june YOO, Eun-seok CHOI
  • Patent number: 10902717
    Abstract: An electronic apparatus, control method thereof, remote control apparatus that controls the electronic apparatus, and control method thereof. The remote control apparatus includes a communication unit which communicates with the electronic apparatus; a user input unit which receives a user button selection indicating an input button; a sensing unit which senses movement of the remote control apparatus; and a control unit which controls the communication unit to transmit information about the user button selection to perform a function corresponding to the input button if the remote control apparatus is in a button input mode, and to transmit information about the movement of the remote control apparatus to the electronic apparatus to control the electronic apparatus by the movement if the remote control apparatus is in a motion recognition mode. Accordingly, controlling a game or a multimedia content is easier, and the user is provided with a new and interesting experience.
    Type: Grant
    Filed: February 5, 2018
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun-seok Choi, Ho-june Yoo, Sang-on Choi, Byung-seok Soh
  • Patent number: 10841638
    Abstract: A user terminal apparatus is provided. The user terminal apparatus for performing a remote control function for an electronic apparatus includes a communication unit configured to communicate with an electronic apparatus for providing a text input user interface (UI), an input unit configured to receive a user command for input of a specific text on the text input UI, a fingerprint scanner provided in the input unit and configured to recognize a user fingerprint, and a controller configured to recognize a user fingerprint according to the user command and to transmit information corresponding to the recognized user fingerprint to the electronic apparatus in response to the electronic apparatus entering a preset text input mode.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji Kim, Sang-on Choi, Byung-seok Soh, Mi-ra Yu, Ho-june Yoo, Eun-seok Choi
  • Patent number: 10755475
    Abstract: Provided are a display apparatus and a method of displaying content. The display apparatus is capable of obtaining information about a light source around the display apparatus and providing a shadow effect on content to be displayed. The display apparatus may include a processor, a memory connected to the processor, and a display unit. The processor may be configured to receive light source position information about a position of a light source in a space where the display apparatus is located, determine a shadow image for content based on the light source position information, and display the content and the shadow image on the display unit.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-a Song, Eun-seok Choi, Jin-hyuk Hong
  • Publication number: 20200241592
    Abstract: Provided is a display device or a display panel including a substrate on which a plurality of light emitting elements are mountable, and on which at least one hole is formed to penetrate through the substrate among the plurality of light emitting elements, and at least one microphone mountable on a rear side of the substrate to collect a sound passing through the at least one hole.
    Type: Application
    Filed: January 14, 2020
    Publication date: July 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seung Il YOON, Ho June YOO, Eun Seok CHOI, Hyun Kyu YUN, Kang Wook CHUN
  • Publication number: 20200243031
    Abstract: The present disclosure relates to a display apparatus including a display panel configured to display an image in a first direction, a sensor disposed in a direction opposite to the first direction with respect to the display panel and comprising a sensor head configured to transmit ultrasonic waves in a second direction or receive the ultrasonic waves in a direction opposite to the second direction, and a guide comprising a first opening into which the sensor head is inserted, a second opening opened in the second direction, a channel connecting the first opening and the second opening, and a guide portion provided inside the channel to guide the ultrasonic waves to change a traveling direction of the ultrasonic waves passing through the channel.
    Type: Application
    Filed: September 28, 2018
    Publication date: July 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Young Kwang SEO, Atsuya YOKOI, Hiromi TACHIBANA, Eun Seok CHOI
  • Patent number: 10721516
    Abstract: A user terminal apparatus is provided. The user terminal apparatus for performing a remote control function for an electronic apparatus includes a communication unit configured to communicate with an electronic apparatus for providing a text input user interface (UI), an input unit configured to receive a user command for input of a specific text on the text input UI, a fingerprint scanner provided in the input unit and configured to recognize a user fingerprint, and a controller configured to recognize a user fingerprint according to the user command and to transmit information corresponding to the recognized user fingerprint to the electronic apparatus in response to the electronic apparatus entering a preset text input mode.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: In-ji Kim, Sang-on Choi, Byung-seok Soh, Mi-ra Yu, Ho-june Yoo, Eun-seok Choi