Patents by Inventor Chang-soo Lee

Chang-soo Lee 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: 11527215
    Abstract: A display device includes a voltage generation circuit that generates a plurality of clock signals and a first driving voltage, a second driving voltage, and a third driving voltage. A gate driving circuit receives the generated clock signals and the first driving voltage, the second driving voltage, and the third driving voltage, and includes a plurality of driving stages each of which outputs a carry signal and a gate signal to a corresponding gate line among gate lines. The voltage generation circuit sets a voltage level of the third driving voltage based on a signal of a first node of at least one of the driving stages.
    Type: Grant
    Filed: November 17, 2020
    Date of Patent: December 13, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Chang-soo Lee
  • Patent number: 11513561
    Abstract: A flexible display device is provided. The flexible display device includes: a display; a sensor configured to detect at least one rolling characteristic in response to the display being rolled; and a controller configured to perform a first function of the flexible display device based on the detected at least one rolling characteristic.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: November 29, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ji-yeon Kwak, Kyung-a Kang, Hyun-jin Kim, Nipun Kumar, Chang-soo Lee
  • Publication number: 20220358885
    Abstract: A display apparatus includes a display panel, a gate driver, a data driver and a driving controller. The display panel includes a gate line, a data line, a sensing line and a subpixel connected to the gate line, the data line and the sensing line. The gate outputs a gate signal to the gate line. The data driver outputs a data voltage to the data line. The driving controller controls the gate driver and the data driver. The display panel includes a first color subpixel, a second color subpixel and a third color subpixel. The driving controller is configured to determine a sensing target gate line among a plurality of gate lines based on first color data corresponding to the first color subpixel, second color data corresponding to the second color subpixel and third color data corresponding to the third color subpixel.
    Type: Application
    Filed: May 5, 2022
    Publication date: November 10, 2022
    Inventors: Chang-Soo Lee, Boyong Chung
  • Publication number: 20220347524
    Abstract: An embodiment of the present invention provides a moving bike device including: a memory configured to store distance information and altitude information; a content implementation unit configured to adjust a reproduction state of content in response to a speed of a wheel depending on pedaling of a user; a controller configured to calculate a road slope from the distance information and the altitude information, and to calculate a travel distance depending on the pedaling of the user; and a road slope implementation unit configured to adjust strength of a brake in proportion to the road slope corresponding to the travel distance.
    Type: Application
    Filed: July 1, 2021
    Publication date: November 3, 2022
    Inventors: Yong-Ho Kim, Dae-Wook Park, Chang-Soo Lee, Woo-Jun Choi
  • Publication number: 20220351672
    Abstract: A pixel includes: a light emitting element; a first transistor which drives the light emitting element; a second transistor electrically connected between a gate node of the first transistor and a data line; a third transistor electrically connected between a first node of the first transistor and an initialization voltage line; and a storage capacitor electrically connected between the gate node and the first node of the first transistor. Here, upon an operation in a variable frame mode, an initialization voltage is applied to the initialization voltage line, and the initialization voltage has a first voltage level. In addition, in a data writing period during which the storage capacitor is charged with an electric charge, the initialization voltage further includes a pulse voltage such that the initialization voltage has a second voltage level that is greater than the first voltage level.
    Type: Application
    Filed: January 31, 2022
    Publication date: November 3, 2022
    Inventors: CHANG-SOO LEE, BOYONG CHUNG
  • Patent number: 11444229
    Abstract: A thermoelectric material including a thermoelectric element including thermoelectric inorganic material represented by Chemical Formula 1; and a conduction path in contact with a surface of the thermoelectric element, wherein the conduction path is formed of a conductive material having electrical conductivity of greater than or equal to about 1,000 Siemens per centimeter BixSb(2-x)Te(3-y-z)SeySz?? Chemical Formula 1 wherein 0<x?2, 0?y?3, 0?z?3, and 0?y+z?3.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Se Yun Kim, Jinhong Kim, Hyun Sik Kim, Chang Soo Lee
  • Publication number: 20220281663
    Abstract: Provided is a container including a container portion configured to form a storage space in which contents are stored, a head portion disposed at an upper side of the container portion and configured to promote discharge of the contents, which enter the head portion from the container portion, through an internal pressure change caused by a pressing portion which is formed at one side of the head portion and made of an elastic material, and a nozzle configured to discharge the contents, which enter the nozzle from the head portion, in fixed amounts.
    Type: Application
    Filed: July 8, 2021
    Publication date: September 8, 2022
    Inventors: Chang Soo Lee, Sang In HAN, Hye Jin JUNG, Hee Yoon KIM
  • Publication number: 20220281666
    Abstract: A container includes a container portion having a storage space in which contents are stored, a spout coupled to the container portion and through which the contents in the container portion are discharged, and a nozzle configured to discharge the contents in fixed amounts, wherein the contents enter the nozzle from the head portion, and the spout and the nozzle are integrally formed.
    Type: Application
    Filed: March 2, 2022
    Publication date: September 8, 2022
    Inventors: Chang Soo LEE, Sang In HAN, Hye Jin JUNG, Hee Yoon KIM
  • Patent number: 11428426
    Abstract: The present disclosure relates to a system that obtains at least one of a recommended temperature and an operation mode to be set on an air conditioner by applying a position of a user and an ambient temperature of the air conditioner to a learning model trained by using an artificial intelligence algorithm, and sets at least one of the obtained recommended temperature and the obtained operation mode on the air conditioner. In this case, the learning model may be, for example, a model generated by using at least one of machine learning, a neural network, or a deep learning algorithm as the artificial intelligence algorithm.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-kyung Lee, Jae-hong Kim, Hee-jin Suh, Chang-soo Lee, Bo-kun Choi
  • Publication number: 20220231107
    Abstract: A light emitting display device including: a first pixel including a first lower storage electrode, a first gate electrode of a first driving transistor, and a first upper storage electrode; and a second pixel provided near the first pixel, and including a second lower storage electrode, a second gate electrode of a second driving transistor, and a second upper storage electrode. In a plan view, the first gate electrode and the second gate electrode have first sides facing each other, the first side of the first gate electrode is positioned inside a border of the first lower storage electrode or the first upper storage electrode in a plan view, and the first side of the second gate electrode is positioned inside a border of the second lower storage electrode or the second upper storage electrode in a plan view.
    Type: Application
    Filed: September 10, 2021
    Publication date: July 21, 2022
    Inventors: Doo-Young Lee, Jong Hee Kim, Yoo Mi Ra, Kyung-Ho Park, Geun Ho Lee, Chang-Soo Lee, Tak-Young Lee, Bo Yong Chung, Jung Hwan Hwang
  • Publication number: 20220223672
    Abstract: A light emitting display device including a first pixel including a first driving transistor, a first input transistor, a first initialization transistor, a first storage capacitor, and a first light emitting diode (LED); and a second pixel including a second driving transistor, a second input transistor, a second initialization transistor, a second storage capacitor, and a second light emitting diode (LED. The first pixel further includes a first gate electrode connecting member connecting a first gate electrode of the first driving transistor and the first input transistor; the second pixel further includes a second gate electrode connecting member connecting a second gate electrode of the second driving transistor and the second input transistor; the first light emitting diode (LED) includes a first anode; the second light emitting diode (LED) includes a second anode; and the first gate electrode connecting member does not overlap the second anode in a plan view.
    Type: Application
    Filed: September 14, 2021
    Publication date: July 14, 2022
    Inventors: Chang-Soo LEE, Bo Yong Chung, Tak-Young Lee
  • Patent number: 11370853
    Abstract: A method of processing an aqueous solution, wherein the aqueous solution comprises one or more dissolved sugar, one or more dissolved sugar alcohol, or a mixture thereof, wherein the method comprises bringing the aqueous solution into contact with a collection of resin beads, wherein the resin beads comprise functional groups of structure (S1).
    Type: Grant
    Filed: December 30, 2016
    Date of Patent: June 28, 2022
    Inventors: Chang-Soo Lee, Collin H. Martin, Daryl J. Gisch, Christopher R. Eicher
  • Patent number: 11375262
    Abstract: Disclosed are a main image processing apparatus, a sub image processing apparatus and a control method thereof. The control method of the sub image processing apparatus includes receiving a user's touch input through the sub image processing apparatus; determining which contents correspond to a touched area where the touch input occurs; sensing change in location of the touch input; and transmitting a control command for the contents to the main image processing apparatus in response to the sensed change in the location of the touch input. With this, it is more convenient for a user to control the main image processing apparatus through the sub image processing apparatus supporting the touch input.
    Type: Grant
    Filed: February 12, 2021
    Date of Patent: June 28, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chang-soo Lee, Yong-hwan Kwon, Joon-hwan Kim, Heui-jin Kwon, Jeong-yeon Lee, Victor Szilagyi
  • Publication number: 20220181455
    Abstract: A semiconductor memory device, and a method of manufacturing the semiconductor memory device, includes a first source layer, a second source layer on the first source layer, a stack on the second source layer, a channel structure passing through the stack and the second source layer, and a common source line passing through the stack and the second source layer. The second source layer includes an air gap and a conductive layer surrounding the air gap.
    Type: Application
    Filed: April 15, 2021
    Publication date: June 9, 2022
    Applicant: SK hynix Inc.
    Inventors: Chang Soo LEE, Young Ho YANG, Sung Soon KIM, Hee Soo KIM, Hee Do NA, Min Sik JANG
  • Publication number: 20220161975
    Abstract: According to an embodiment of the present disclosure, a content container is provided. The content container may include: a container part configured to accommodate a liquid content; an upper cap that is detachably coupled to the container part and includes a first accommodation part configured to accommodate a solid content and a pressing part moved by being pressed; and a lower cap that is inserted into the container part, and includes an accommodation tube forming a second accommodation part and a plurality of communication holes formed in the outside of the accommodation tube to communicate with the container part, wherein, by pressing the upper cap, the solid content is moved from the first accommodation part to the second accommodation part.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 26, 2022
    Inventors: Chang Soo LEE, Koo Sup AHN, Jong Hyun PARK, Sang In HAN, Hye Jin JUNG
  • Publication number: 20220130334
    Abstract: A pixel circuit including an organic light emitting diode, a first transistor configured to drive the organic light emitting diode, a second transistor electrically connected between a gate node of the first transistor and a data line, a third transistor electrically connected between a source node of the first transistor and an initialization voltage line and a storage capacitor electrically connected between the gate node and the source node of the first transistor. In a data writing period in which the storage capacitor is charged with electric charges, a turn-off time of the third transistor lags compared to a turn-off time of the second transistor.
    Type: Application
    Filed: September 30, 2021
    Publication date: April 28, 2022
    Inventors: Chang-Soo LEE, Boyong Chung, Jonghee Kim
  • Patent number: 11296188
    Abstract: A semiconductor device includes a source structure, a bit line, a stacked structure between the source structure and the bit line, a source contact structure penetrating the stacked structure and electrically coupled to the source structure, and a protective pattern interposed between the source contact structure and the source structure and having a varying thickness depending on an area of the protective pattern.
    Type: Grant
    Filed: February 14, 2020
    Date of Patent: April 5, 2022
    Assignee: SK hynix Inc.
    Inventors: Hee Soo Kim, Young Ho Yang, Chang Soo Lee, Wan Sup Shin
  • Publication number: 20220031043
    Abstract: An embodiment of the present invention provides a cosmetic container. The cosmetic container includes an outer container in which a first accommodating portion is formed, an inner container in which a second accommodating portion, in which an impregnation member impregnated with a cosmetic material is accommodated, is formed and which is detachably coupled to an inner side of the first accommodating portion of the outer container, and a coupling portion which is coupled to a circumference of the second accommodating portion and which has a first fixing portion formed to extend downward from one side of an upper surface toward an inner side of the second accommodating portion to prevent the impregnation member from coming out of the second accommodating portion.
    Type: Application
    Filed: November 9, 2018
    Publication date: February 3, 2022
    Inventors: Hyung Sang KIM, Chang Soo LEE, Koo Sup AHN, Hye Jin JUNG, Yeo Wool LEE
  • Patent number: 11183134
    Abstract: A display device includes: a switching element connected to a gate line and a data line; a liquid crystal capacitor including a pixel electrode that is connected to the switching element and a common electrode to which a common voltage is applied; and a storage capacitor including a first electrode that is connected to the switching element and a second electrode to which a storage voltage is applied. The display device is operable at a variable frame frequency between a maximum frame frequency and a minimum frame frequency. Capacitance of the storage capacitor is set according to a difference between the maximum frame frequency and the minimum frame frequency, and the storage voltage is greater than the common voltage by more than a predetermined level.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: November 23, 2021
    Inventors: Sang Yong No, Chang-Soo Lee
  • Publication number: 20210356461
    Abstract: The present invention relates to a carbene compound having substituted at the terminal polyethylene glycol (PEG) having nitrogen-containing functional groups, a carbene-metal nanoparticle complex in which the carbene compound and metal nanoparticles are bounded, a preparation method thereof, and a biosensor using same.
    Type: Application
    Filed: October 10, 2019
    Publication date: November 18, 2021
    Applicant: KOREA RESEARCH INSTITUTE OF BIOSCIENCE AND BIOTECHNOLOGY
    Inventors: Oh Seok KWON, Tae Joon KANG, Seon Joo PARK, Chul Soon PARK, Kyung Ho KIM, Jin Yeong KIM, Ji Yeon LEE, Chang Soo LEE