Patents by Inventor Dong-Gyu Lee

Dong-Gyu 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).

  • Publication number: 20210287630
    Abstract: A display apparatus includes an optical module, a display panel and a display panel driver. The display panel is disposed on the optical module. The display panel driver is configured to drive the display panel. The display panel includes a first display area including at least a portion overlapping with the optical module and a second display area not overlapping with the optical module in a plan view. The first display area includes pixels having a first pixel structure. The second display area includes pixels having a second pixel structure different from the first pixel structure.
    Type: Application
    Filed: January 6, 2021
    Publication date: September 16, 2021
    Inventors: Ji Hye KIM, Young Ha SOHN, Jin-Wook YANG, Dong Gyu LEE, Jae-Hyeon JEON
  • Publication number: 20210248961
    Abstract: A display device includes a first transistor including a first electrode connected to a first power line, a second electrode connected to a third node, and a gate electrode connected to a first node, a first capacitor formed between the first power line and a second node, a second capacitor formed between the first node and the second node, an emission transistor including a first electrode connected to the third node, a second electrode, and a gate electrode connected to an emission control line, and a light emitting element connected to the second electrode of the emission transistor and a second power line.
    Type: Application
    Filed: September 22, 2020
    Publication date: August 12, 2021
    Inventors: JIN WOOK YANG, JI HYE KIM, YOUNG HA SOHN, DONG GYU LEE, JAE HYEON JEON
  • Patent number: 10997935
    Abstract: A display device including a first substrate, a color conversion layer on the first substrate and containing a wavelength conversion material, a first conductive polarizer on the color conversion layer, and a timing controller electrically connected to the first conductive polarizer. The timing controller may measure a resistance of the first conductive polarizer to generate a compensation signal based on the measured resistance.
    Type: Grant
    Filed: August 3, 2017
    Date of Patent: May 4, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Woong Kang, Seung Hwan Park, Cheol Woo Park, Dong Gyu Lee, Yong Jun Jang, Young Soo Hwang
  • Publication number: 20210120053
    Abstract: A content joint editing method according to an embodiment of the inventive concept may preserve the real-time property of update of edits as much as possible even if the number of editors increases when multiple editors simultaneously edit content. A content editing method can share and edit various contents without calling a separate external application in an online collaboration service. A content sharing method can manage each user's access rights to a content in individual content units in collaboration service that displays a plurality of contents at the same time in the collaboration space for sharing contents among multiple users.
    Type: Application
    Filed: September 1, 2020
    Publication date: April 22, 2021
    Inventors: Hwang Kyu SHIN, Du Hwan LIM, Ju Yeon MA, Ki Hoon KIM, Ki Yung LEE, Jee Hea LEE, Jae Sung JO, Cho Roke KIM, Eun Byul PARK, Mingtian YU, Ik Jun HAN, Sung Hee KIM, Su Ryeon LEE, Hyun Ah BAE, Jae Dong CHANG, Dong Gyu LEE, Jae Pyo SON
  • Patent number: 10947697
    Abstract: A pivoting unit for construction equipment is provided which can ensure a brake performance for an upper pivoting body thereof for any pivoting power source applied thereto without a limitation to the applied pivoting power source. The pivoting unit for a construction equipment, comprises a pivoting motor, a pivoting reducer connected to the pivoting motor, and a parking brake device which is installed between the pivoting motor and the pivoting reducer and restricts the rotation of the pivoting reducer independently of the pivoting motor.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: March 16, 2021
    Assignee: Volvo Construction Equipment AB
    Inventors: Won Kil Choe, Dong Gyu Lee
  • Publication number: 20200265778
    Abstract: A display device including: an image determiner configured to determine whether a still image is displayed by comparing first partial image data that is a portion of image data of a previous frame with second partial image data that is a portion of image data of a current frame at a first time of a first mode in which a non-moving image is displayed, and determine whether the still image is displayed by comparing first frame data that is all image data of a previous frame with second frame data that is all image data of a current frame at a second time of a second mode in which a moving image is displayed; a display panel including pixels that receive a data signal corresponding to image data; and a panel driver configured to change a frequency at which the pixels are driven according to the first and second modes.
    Type: Application
    Filed: January 16, 2020
    Publication date: August 20, 2020
    Inventors: Dong Gyu Lee, Seung Jae Lee
  • Publication number: 20200263346
    Abstract: A drying apparatus is disclosed. The drying apparatus comprises: a drum; a compressor for compressing a refrigerant; a first temperature sensor provided at an air discharge port of the drum; a second temperature sensor provided at a refrigerant discharge port of the compressor; and a processor which, when a drying cycle for an object to be dried begins, compares a first temperature sensed by the first temperature sensor with a predetermined threshold temperature so as to obtain an operation frequency of the compressor, and when a second temperature sensed by the second temperature sensor reaches a predetermined first target temperature, adjusts the operation frequency of the compressor on the basis of a third temperature calculated on the basis of the first temperature and the second temperature.
    Type: Application
    Filed: October 26, 2018
    Publication date: August 20, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong Gyu LEE, Young Uk YUN, Jin Woo HONG, Kwon Jin KIM, Byung Han LIM, Dong Sik JIN
  • Patent number: 10712055
    Abstract: Disclosed herein is an air conditioner. The air conditioner includes an outdoor unit having a compressor, an outdoor heat exchanger, and a flowpath switching valve disposed on a refrigerant flowpath between the compressor and the outdoor heat exchanger, a plurality of indoor units configured to operate in a cooling mode or in a heating mode, a mode controller configured to selectively guide refrigerant received from the outdoor unit to the plurality of indoor units. The mode controller guiding the refrigerant through one or more of: a first refrigerant pipe extending from the flowpath switching valve to the mode control unit, a second refrigerant pipe extending from the flowpath switching valve and diverging to the outdoor heat exchanger, and to the mode control unit, and a third refrigerant pipe extending from the outdoor heat exchanger to the mode controller.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-Rock Kim, Joon-Ho Yoon, Kwon Jin Kim, Dong-Gyu Lee, Eom Ji Jang, Dong Sik Jin, Seung Kwan Choi, Heung Seob Choi
  • Patent number: 10533101
    Abstract: An inorganic coating solution composition including an alkali metal silicate, a curing agent, a dispersant, a defoamer, and a solvent, wherein the curing agent is phosphoric acid (H2PO4), the dispersant is at least one selected from among Tween 20, Tween 40, Tween 60, Tween 80, polyvinyl pyrrolidone, polyethylene glycol 400 and polyvinyl alcohol, and the defoamer is at least one selected from among a silicone-based defoamer, an alcohol-based defoamer, a mineral oil-based defoamer and a powder defoamer.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: January 14, 2020
    Assignee: GP&E America, Inc.
    Inventors: Dong Gyu Lee, Il Hoon Cho, Young Yeol Yang
  • Patent number: 10492345
    Abstract: A display apparatus and a method for dissipating heat are provided. The display apparatus may include a housing including an inlet and an outlet; a display panel disposed in the housing; a first cooling flow path, through which a first flow of air flows, the first cooling flow path connecting the inlet to the outlet; a second cooling flow path formed in the housing to allow a second flow of air to flow around the display panel to exchange heat with the display panel; and a heat exchange device disposed in the housing. The heat exchange device may be configured to allow the second flow of air to exchange heat with the first flow of air, and supply outside air to the second cooling flow path or discharge the second flow of air in the second cooling flow path to an outside of the display apparatus.
    Type: Grant
    Filed: March 26, 2018
    Date of Patent: November 26, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Ki Kim, Sru Kim, Dong Gyu Lee, Hyun Jun Jung, Jong Pil Seo, Sung Su Lee
  • Patent number: 10354165
    Abstract: An apparatus for detecting an afterimage candidate region includes: a comparison unit which compares gradation data of an n-th frame with integrated gradation data of an (n?1)-th frame and generates integrated gradation data of the n-th frame, where n is a natural number; a memory which provides the integrated gradation data of the (n?1)-th frame to the comparison unit and stores the integrated gradation data of the n-th frame; and an afterimage candidate region detection unit which detects an afterimage candidate region based on the integrated gradation data of the n-th frame, where each of the integrated gradation data of the n-th frame and the integrated gradation data of the (n?1)-th frame comprises a comparison region and a gradation region.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: July 16, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yong Jun Jang, Nam Gon Choi, Joon Chul Goh, Gi Geun Kim, Geun Jeong Park, Cheol Woo Park, Yun Ki Baek, Jeong Hun So, Dong Gyu Lee
  • Publication number: 20190212851
    Abstract: A method for manufacturing a display device according to an exemplary embodiment of the present inventive concept includes: forming a digitizer assembly; and attaching the digitizer assembly to a bottom of a display panel, wherein the forming the digitizer assembly comprises forming through-hole portions in a heat dissipation sheet layer, forming a digitizer board by sequentially attaching a buffering sheet layer, a digitizer layer, a shield sheet layer, and the heat dissipation sheet layer, and forming a plurality of digitizer assemblies by cutting the digitizer board, wherein the through-hole portions partially expose the shield sheet layer and are disposed at corners of the digitizer assembly.
    Type: Application
    Filed: July 26, 2018
    Publication date: July 11, 2019
    Inventor: Dong-Gyu LEE
  • Patent number: 10254232
    Abstract: A device for detecting analytes in a sample includes (a) n light source units generating light; (b) a reaction strip including (i) a test area illuminated with light from the light source unit and including a material reacting to the analytes, (ii) a control area illuminated with the light from the light source unit and including a control material, and (iii) a background area illuminated with the light from the light source unit; and (c) at least n+1 light receiving units detecting light emitted from the test area, the control area, and the background area of the reaction strip, respectively.
    Type: Grant
    Filed: April 4, 2014
    Date of Patent: April 9, 2019
    Assignee: SUGENTECH, INC.
    Inventors: Seungbum Yoo, Eunkyung Kim, Dong Gyu Lee, Sang Hoon Oh, Mi Jin Sohn
  • Publication number: 20190063792
    Abstract: Disclosed herein is an air conditioner. The air conditioner includes an outdoor unit having a compressor, an outdoor heat exchanger, and a flowpath switching valve disposed on a refrigerant flowpath between the compressor and the outdoor heat exchanger, a plurality of indoor units configured to operate in a cooling mode or in a heating mode, a mode controller configured to selectively guide refrigerant received from the outdoor unit to the plurality of indoor units. The mode controller guiding the refrigerant through one or more of: a first refrigerant pipe extending from the flowpath switching valve to the mode control unit, a second refrigerant pipe extending from the flowpath switching valve and diverging to the outdoor heat exchanger, and to the mode control unit, and a third refrigerant pipe extending from the outdoor heat exchanger to the mode controller.
    Type: Application
    Filed: June 6, 2018
    Publication date: February 28, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyoung-Rock KIM, Joon-Ho YOON, Kwon Jin KIM, Dong-Gyu LEE, Eom Ji JANG, Dong Sik JIN, Seung Kwan CHOI, Heung Seob CHOI
  • Publication number: 20190031894
    Abstract: An inorganic coating solution composition including an alkali metal silicate, a curing agent, a dispersant, a defoamer, and a solvent, wherein the curing agent is phosphoric acid (H2PO4), the dispersant is at least one selected from among Tween 20, Tween 40, Tween 60, Tween 80, polyvinyl pyrrolidone, polyethylene glycol 400 and polyvinyl alcohol, and the defoamer is at least one selected from among a silicone-based defoamer, an alcohol-based defoamer, a mineral oil-based defoamer and a powder defoamer.
    Type: Application
    Filed: October 3, 2018
    Publication date: January 31, 2019
    Inventors: Dong Gyu Lee, Il Hoon Cho, Young Yeol Yang
  • Publication number: 20190021189
    Abstract: A display apparatus and a method for dissipating heat are provided. The display apparatus may include a housing including an inlet and an outlet; a display panel disposed in the housing; a first cooling flow path, through which a first flow of air flows, the first cooling flow path connecting the inlet to the outlet; a second cooling flow path formed in the housing to allow a second flow of air to flow around the display panel to exchange heat with the display panel; and a heat exchange device disposed in the housing. The heat exchange device may be configured to allow the second flow of air to exchange heat with the first flow of air, and supply outside air to the second cooling flow path or discharge the second flow of air in the second cooling flow path to an outside of the display apparatus.
    Type: Application
    Filed: March 26, 2018
    Publication date: January 17, 2019
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sung Ki KIM, Sru KIM, Dong Gyu LEE, Hyun Jun JUNG, Jong Pil SEO, Sung Su LEE
  • Patent number: 10163386
    Abstract: Disclosed is a display device that can rapidly recover from a fail situation. The display device includes: a display panel; a source drive IC configured to supply a data signal to the display panel and including a calibrating unit; a timing controller configured to supply a data control signal and a frame data to the source drive IC; and a common bus line formed between the source drive IC and the timing controller. The calibrating unit sets and stores a calibration value in response to the data control signal during an initialization period before receiving the frame data from the timing controller, and transmits the calibration value to the timing controller through the common bus line.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: December 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dong Gyu Lee, Seon Ki Kim, Kyung Youl Min, Hee Sun Ahn
  • Patent number: 10136523
    Abstract: A display device includes a window member including a transparent base member having a first area and a second area, and a deco member under the transparent base member and overlapping with the second area, a display panel under the window member and having a display area overlapping with the first area, and a non-display area overlapping with the second area, the display panel including a pad unit on a portion of the non-display area, an adhesive member between the window member and the display panel for bonding the window member and the display panel to each other, a printed circuit board connected to the pad unit of the display panel, and a block pattern printed on a portion of a bottom surface of the deco member that is adjacent the adhesive member, the block pattern overlapping with the pad unit.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: November 20, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventor: Dong-gyu Lee
  • Patent number: 10125273
    Abstract: An inorganic coating solution composition including an alkali metal silicate, a curing agent, a dispersant, a defoamer, and a solvent, wherein the curing agent is phosphoric acid (H2PO4), the dispersant is at least one selected from among Tween 20, Tween 40, Tween 60, Tween 80, polyvinyl pyrrolidone, polyethylene glycol 400 and polyvinyl alcohol, and the defoamer is at least one selected from among a silicone-based defoamer, an alcohol-based defoamer, a mineral oil-based defoamer and a powder defoamer.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: November 13, 2018
    Assignee: GP&E America, Inc.
    Inventors: Dong Gyu Lee, Il Hoon Cho, Young Yeol Yang
  • Publication number: 20180281522
    Abstract: An ultra super single tire for heavy duty includes a tread that contacts the road surface; a carcass that constitutes the skeleton of the tire; and a belt layer that is disposed between the tread and the carcass, in which the belt layer is composed of a first belt to a fourth belt that are laminated sequentially from the carcass toward the tread, the first belt includes an extender belt, and the second belt is a wide spiral coil belt. Thus, an excessive increase in weight, the occurrence of excessive heat generation, and deterioration of durability can be prevented, while enhancing the ground contact length at the ground contacting center, and further enhancing the durability at belt layer edges.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Inventors: Dong gyu LEE, Sung ryul BAE