Patents by Inventor Jang-Doo Lee

Jang-Doo 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: 20240107696
    Abstract: A window includes a window base layer and a window protecting layer disposed on the window base layer. At least one of the window base layer or the window protecting layer includes a metal-organic framework. The window mitigates deformations and wrinkles caused by folding.
    Type: Application
    Filed: August 11, 2023
    Publication date: March 28, 2024
    Inventors: YOUNGSANG PARK, SUNGGUK AN, JANG DOO LEE, CHUL HO JEONG
  • Publication number: 20240065087
    Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.
    Type: Application
    Filed: November 2, 2023
    Publication date: February 22, 2024
    Inventors: Jun Su PARK, Young Do KIM, Young Moon KIM, Kyung Lae RHO, Young Gil PARK, Ji Hye SEO, Ki Cheol SONG, Na Ri AHN, Jang Doo LEE
  • Publication number: 20240040825
    Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5) where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.
    Type: Application
    Filed: October 10, 2023
    Publication date: February 1, 2024
    Inventors: Young Eun OH, Jai Ku SHIN, Han Sun RYOU, So Dam AHN, Jang Doo LEE
  • Patent number: 11889733
    Abstract: A display device according to an embodiment includes: a substrate; a light emitting diode; an input sensing member disposed on the light emitting diode; a color conversion layer and a light blocking member disposed on the input sensing member; an adhesive layer disposed on the color conversion layer and the light blocking member; and a window bonded to the adhesive layer, wherein a storage modulus of the adhesive layer may be 0.2 MPa or less at ?20° C., and a glass transition temperature (Tg) of the adhesive layer may be ?30° C. or less.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: January 30, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Do Kim, Jin Ho Ju, Jang Doo Lee
  • Patent number: 11860693
    Abstract: An electronic apparatus includes a display layer including a folding area and non-folding areas, a digitizer disposed under the display layer and including first sensing coils, second sensing coils insulated from the first sensing coils, and data lines connected to the second sensing coils, and a support layer disposed under the digitizer, where openings are defined in a portion of the support layer overlapping the folding area. Each first sensing coil includes a long side extending in the first direction and a short side extending in the second direction, each second sensing coil includes a long side extending in the second direction and a short side extending in the first direction, and a width in the second direction of a portion of the data lines overlapping the folding area is greater than a width in the second direction of a portion of the data lines not overlapping the folding area.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: January 2, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Dasom Gu, Hirotsugu Kishimoto, Chul Ho Jeong, Jeongil Yoo, Jang Doo Lee
  • Patent number: 11844265
    Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.
    Type: Grant
    Filed: July 25, 2022
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Su Park, Young Do Kim, Young Moon Kim, Kyung Lae Rho, Young Gil Park, Ji Hye Seo, Ki Cheol Song, Na Ri Ahn, Jang Doo Lee
  • Patent number: 11829204
    Abstract: A display device includes a display panel and a window disposed on the display panel. The window includes a base layer including a first surface and a second surface opposite to each other, a first inorganic layer disposed on the first surface of the base layer, a second inorganic layer contacting the second surface of the base layer, and a protective layer disposed either between the base layer and the first inorganic layer, or on a first portion of the first inorganic layer which is opposite to a second portion of the first inorganic layer facing the base layer.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: November 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Youngsang Park, Inseok Seo, Hung Kun Ahn, Hye-Jin Oh, Jang Doo Lee, Jungkyu Jo
  • Patent number: 11812635
    Abstract: A protection film for an electronic device includes an adhesive layer including a first surface to which an electronic device is attached, and a film layer which contacts a second surface of the adhesive layer and includes at least one member, where a thickness of the adhesive layer satisfies Inequality 1: z?(5.1x+57.4)·ln(y)?(14.7x+140.5), where z is the thickness of the adhesive layer in terms of micrometers, x is a modulus of a member of the film layer which directly contacts the adhesive layer in terms of gigapascals, and y is a total thickness of the film layer in terms of micrometers.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: November 7, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Eun Oh, Jai Ku Shin, Han Sun Ryou, So Dam Ahn, Jang Doo Lee
  • Publication number: 20230076740
    Abstract: An electronic apparatus includes a display layer including a folding area and non-folding areas, a digitizer disposed under the display layer and including first sensing coils, second sensing coils insulated from the first sensing coils, and data lines connected to the second sensing coils, and a support layer disposed under the digitizer, where openings are defined in a portion of the support layer overlapping the folding area. Each first sensing coil includes a long side extending in the first direction and a short side extending in the second direction, each second sensing coil includes a long side extending in the second direction and a short side extending in the first direction, and a width in the second direction of a portion of the data lines overlapping the folding area is greater than a width in the second direction of a portion of the data lines not overlapping the folding area.
    Type: Application
    Filed: July 12, 2022
    Publication date: March 9, 2023
    Inventors: DASOM GU, HIROTSUGU KISHIMOTO, CHUL HO JEONG, JEONGIL YOO, JANG DOO LEE
  • Publication number: 20230012580
    Abstract: A glass plate strengthening device includes: a work furnace including a preheating furnace, and a strengthening furnace below the preheating furnace; a transport module configured to transport a glass plate between the preheating furnace and the strengthening furnace in the work furnace; a separator between the preheating furnace and the strengthening furnace, configured to enter and exit the work furnace, and configured to separate or integrate the preheating furnace and the strengthening furnace during entering and exiting; a door module including a door part on a side wall of the work furnace, and configured to provide an entrance space through the door part during the entering and exiting of the separator; and a shield coupled to an outer wall of the work furnace to be adjacent to the door module, and configured to block the entrance space from an external space.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 19, 2023
    Inventors: HYO-SEOP KIM, TAE-SIK KIM, CHANWOOK PARK, HANGGYUN PARK, SUNGEUN BOO, YOUNGNAM SONG, JANG DOO LEE, HYUNGSUP LEE, KYOUNGYONG CHA
  • Patent number: 11555096
    Abstract: A protective window includes a flexible base film and a hard coating layer disposed on the flexible base film. The hard coating layer includes a silicone leveling agent and an inorganic antistatic agent. The coating layer includes an upper area and a lower area disposed between the upper area and the flexible base film, and a density of the inorganic antistatic agent in the lower area is greater than a density of the inorganic antistatic agent in the upper area.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: January 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young-Sang Park, Young Moon Kim, Kicheol Song, Hung Kun Ahn, Kyou Jong Park, Sung Guk An, Jang Doo Lee, Jeong Chul Ho
  • Publication number: 20220404529
    Abstract: A window includes: a base panel, and a protection layer disposed above the base panel. The base panel includes: a first base layer, a second base layer disposed below the first base layer, and a first hard coating layer disposed between the first base layer and the second base layer. The protection layer includes: a base film disposed above the first base layer, and a functional layer disposed above the base film and containing a hard coating agent.
    Type: Application
    Filed: April 11, 2022
    Publication date: December 22, 2022
    Inventors: YOUNGSANG PARK, NAMHEE PARK, HANSOL KANG, INSEOK SEO, SANG-IL PARK, SUNGGUK AN, JANG DOO LEE
  • Publication number: 20220367823
    Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.
    Type: Application
    Filed: July 25, 2022
    Publication date: November 17, 2022
    Inventors: Jun Su PARK, Young Do KIM, Young Moon KIM, Kyung Lae RHO, Young Gil PARK, Ji Hye SEO, Ki Cheol SONG, Na Ri AHN, Jang Doo LEE
  • Publication number: 20220348492
    Abstract: A method of manufacturing a window and a window manufactured by the same are provided. A method of manufacturing a window includes laser cutting a base glass into a preliminary window using first laser light, irradiating, with second laser light, a point spaced apart from an edge of the preliminary window at a first distance, and providing a window including a flat portion and an edge portion by wet etching the preliminary window irradiated with the second laser light. A method of manufacturing a window having a chamfer shape at the edge portion is facilitated.
    Type: Application
    Filed: April 7, 2022
    Publication date: November 3, 2022
    Inventors: HYUNGSIK KIM, CHEOLLAE ROH, JANG DOO LEE, BEOMSOO KIM, HANGGYUN PARK, JOONGSUNG LEE, WOOHYUN JUNG
  • Publication number: 20220291716
    Abstract: An electronic product comprises: a sensing area that senses a touch, a non-sensing area adjacent to the sensing area and that does not sense a touch, a display panel that displays an image on a front surface, and a stack structure disposed on a rear surface of the display panel and that includes a plurality of conductive patterns that sense a touch. The plurality of conductive patterns includes first conductive patterns that extend across the sensing area and the non-sensing area. Each of the first conductive patterns has a first thickness in the sensing area and a second thickness in the non-sensing area that is less than the first thickness.
    Type: Application
    Filed: December 20, 2021
    Publication date: September 15, 2022
    Inventors: HIROTSUGU KISHIMOTO, DA SOM GU, SUNG GUK AN, JEONG IL YOO, JANG DOO LEE, YONG CHAN JEON
  • Patent number: 11430963
    Abstract: A display device includes a display panel including a front surface and a second surface which is opposite to the front surface; a front laminated structure attached to the front surface of the display panel; and a rear laminated structure attached to the second surface of the display panel. Each of the front laminated structure and the rear laminated structure includes a bonding member, and an average modulus of the bonding member of the front laminated structure is smaller than an average modulus of the bonding member of the rear laminated structure.
    Type: Grant
    Filed: October 21, 2019
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jun Su Park, Young Do Kim, Young Moon Kim, Kyung Lae Rho, Young Gil Park, Ji Hye Seo, Ki Cheol Song, Na Ri Ahn, Jang Doo Lee
  • Publication number: 20220271253
    Abstract: A display device includes a display area and a non-display area which is adjacent to the display area. The display device includes a display panel, and a cover window structure which is on the display panel. The cover window structure includes a cover window including a first surface facing the display panel, a second surface opposite to the first surface, and a third surface connecting the first surface with the second surface, and a first window protection layer on the cover window. The first window protection layer includes a first protection portion on the first surface of the cover window and a second protection portion on the third surface of the cover window, where the second protection portion is in the non-display area.
    Type: Application
    Filed: September 13, 2021
    Publication date: August 25, 2022
    Inventors: Yong Chan JEON, Hirotsugu KISHIMOTO, Da Som GU, Jeong Il YOO, Jang Doo LEE, Chul Ho JEONG, Hyun Been HWANG
  • Publication number: 20220250969
    Abstract: A jig and a method of manufacturing a window are provided. A jig includes a lower plate having a plurality of cell regions and a peripheral region dividing the plurality of cell regions, an intermediate plate on the lower plate and in which a plurality of openings corresponding to the plurality of cell regions is defined, and an upper plate on the intermediate plate, and a glass substrate is fixed between the intermediate plate and the upper plate.
    Type: Application
    Filed: January 27, 2022
    Publication date: August 11, 2022
    Inventors: HANGGYUN PARK, BEOMSOO KIM, BYUNGCHAN KIM, JANG DOO LEE
  • Publication number: 20220234934
    Abstract: A refill system includes a tempering furnace, a refill furnace which stores the molten potassium nitrate obtained by melting powdered potassium nitrate, a supply unit which supplies the molten potassium nitrate to the tempering furnace, a tempering furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the tempering furnace, a refill furnace side load measuring unit which measures a load amount of the molten potassium nitrate in the refill furnace, and a central control unit which checks the load amount of the molten potassium nitrate in the tempering furnace and the refill furnace in real time, and controls the supply unit to stop supplying the molten potassium nitrate to the tempering furnace when the load amount of the molten potassium nitrate in the tempering furnace is greater than or equal to a predetermined load amount.
    Type: Application
    Filed: December 21, 2021
    Publication date: July 28, 2022
    Inventors: HANGGYUN PARK, HYO-SEOP KIM, HYOUNGSUK ROH, JANG DOO LEE, Bon Ki KOO, Jeong Gi KIM, Seok Joo YOON, Hyungsup LEE, Kyoung Yong CHA
  • Publication number: 20210397222
    Abstract: A display device includes a display panel and a window disposed on the display panel. The window includes a base layer including a first surface and a second surface opposite to each other, a first inorganic layer disposed on the first surface of the base layer, a second inorganic layer contacting the second surface of the base layer, and a protective layer disposed either between the base layer and the first inorganic layer, or on a first portion of the first inorganic layer which is opposite to a second portion of the first inorganic layer facing the base layer.
    Type: Application
    Filed: April 27, 2021
    Publication date: December 23, 2021
    Inventors: YOUNGSANG PARK, INSEOK SEO, HUNG KUN AHN, HYE-JIN OH, JANG DOO LEE, JUNGKYU JO