Patents by Inventor Duk-Jin Lee

Duk-Jin 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: 20240134102
    Abstract: A polarization film according to an embodiment includes a first wavelength dispersion layer, and a polarization layer that is disposed on the first wavelength dispersion layer. A wavelength dispersion of the first wavelength dispersion layer satisfies both Relational Expression 1 and Relational Expression 2: [Relational Expression 1] 0.81<DSP 450 nm=R 450 nm/R 550 nm<0.83 [Relational Expression 2] 1.15<DSP 650 nm=R 650 nm/R 550 nm<1.17. In Relational Expression 1 and Relational Expression 2, R(?) denotes a phase difference value in wavelength ?.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 25, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Duk Jin LEE, Beong-Hun BEON, Je Seon YEON, Woo Suk JUNG
  • Publication number: 20240136674
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on a winding axis to define a core and an outer circumference. The first electrode includes a first active material portion coated with an active material layer and a first uncoated portion not coated with an active material layer along a winding direction. At least a part of the first uncoated portion is defined as an electrode tab by itself. The first uncoated portion includes a first portion adjacent to the core of the electrode assembly, a second portion adjacent to the outer circumference of the electrode assembly, and a third portion interposed between the first portion and the second portion. The first portion or the second portion has a smaller height than the third portion in the winding axis direction.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 25, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Jong-Sik PARK, Jae-Won LIM, Yu-Sung CHOE, Hak-Kyun KIM, Je-Jun LEE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Pil-Kyu PARK, Kwang-Su HWANGBO, Do-Gyun KIM, Geon-Woo MIN, Hae-Jin LIM, Min-Ki JO, Su-Ji CHOI, Bo-Hyun KANG, Jae-Woong KIM, Ji-Min JUNG, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI
  • Publication number: 20240128517
    Abstract: Disclosed is an electrode assembly, a battery, and a battery pack and a vehicle including the same. In the electrode assembly, a first electrode, a second electrode, and a separator interposed therebetween are wound based on an axis to define a core and an outer circumference. The first electrode includes an uncoated portion at a long side end thereof and exposed out of the separator along a winding axis direction of the electrode assembly. A part of the uncoated portion is bent in a radial direction of the electrode assembly to form a bending surface region that includes overlapping layers of the uncoated portion, and in a partial region of the bending surface region, the number of stacked layers of the uncoated portion is 10 or more in the winding axis direction of the electrode assembly.
    Type: Application
    Filed: January 19, 2022
    Publication date: April 18, 2024
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Hae-Jin LIM, Jin-Hak KONG, Soon-O LEE, Kyu-Hyun CHOI, Do-Gyun KIM, Su-Ji CHOI, Kwang-Su HWANGBO, Geon-Woo MIN, Min-Ki JO, Jae-Won LIM, Hak-Kyun KIM, Je-Jun LEE, Ji-Min JUNG, Jae-Woong KIM, Jong-Sik PARK, Yu-Sung CHOE, Byoung-Gu LEE, Duk-Hyun RYU, Kwan-Hee LEE, Jae-Eun LEE, Bo-Hyun KANG, Pil-Kyu PARK
  • Publication number: 20240118473
    Abstract: A display device includes: a display panel and an optical member positioned on the display panel. The optical member includes: a polarization layer positioned on the display panel; a first compensation layer positioned between the display panel and the polarization layer; a second compensation layer positioned between the display panel and the first compensation layer; a third compensation layer positioned between the display panel and the second compensation layer; and a fourth compensation layer positioned between the display panel and the third compensation layer. The first compensation layer is a positive C plate and a thickness direction phase delay value of the first compensation layer is about ?65 nm to about ?15 nm, and the second compensation layer is a positive A plate and an in-plane phase delay value of the second compensation layer is about 75 nm to about 125 nm.
    Type: Application
    Filed: July 31, 2023
    Publication date: April 11, 2024
    Inventors: Beong-Hun BEON, Je Seon YEON, Duk Jin LEE, Woo Suk JUNG
  • Publication number: 20240099354
    Abstract: A system for manufacturing edible food products according to the present disclosure includes a first food ingredient supply apparatus configured to separate a single sheet of a first food ingredient from a first food ingredient stack including a plurality of stacked first food ingredients and supply the single sheet of first food ingredient, a second food ingredient supply apparatus configured to separate a single sheet of a second food ingredient from a second food ingredient stack including a plurality of stacked second food ingredients and supply the single sheet of second food ingredient, and a pressing device configured to form an edible food product by pressing a semi-finished product formed by seating the supplied single sheet of the first food ingredient on the supplied single sheet of the second food ingredient.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 28, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Publication number: 20240101369
    Abstract: An apparatus for supplying food ingredients according to the present disclosure includes a food ingredient lifting part configured to separate and move upward a food ingredient stack from a food ingredient cassette on which food ingredients including a plurality of stacked food ingredients are seated, a food ingredient separation part configured to suck and move upward a single sheet of a food ingredient from the food ingredient stack moved upward by the food ingredient lifting part, and a horizontal movement part configured to transfer forward the single sheet of the food ingredient moved upward by the food ingredient separation part.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 28, 2024
    Applicant: CJ CHEILJEDANG CORPORATION
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Patent number: 11935876
    Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: March 19, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
  • Publication number: 20240083059
    Abstract: A cutting apparatus according to the present disclosure includes a cutting roller including a cutting body having a cylindrical shape and configured to rotate about an axis defined in a leftward/rightward direction, and cutting blades protruding outward in a radial direction of the cutting body further than a surface of the cutting body to cut an edible food product provided in a forward/rearward direction, and a cutting base part disposed at a position facing the cutting roller based on the edible food product to support the edible food product to be cut by the cutting roller.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 14, 2024
    Applicants: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATION, GREEN TECHNOLOGY CO., LTD.
    Inventors: Duk Jin CHANG, Min Soo LIM, Seung Yong KIM, Yong Ho JEON, Sang Oh KIM, Myoung Il KWAK, Jong Hwa LEE
  • Patent number: 11913413
    Abstract: Disclosed is a new air intake system of an engine including a blow-by gas flow line configured to allow blow-by gas to flow into an intake manifold by recirculating the blow-by gas using a pressure difference according to load of the engine, an intake gas supply line configured to allow intake gas to flow therethrough, the intake gas supply line including a throttle valve configured to control an amount of the intake gas and a turbocharger configured to compress the intake gas, a new air supply line branched from the intake gas supply line and connected to the crankcase, the new air supply line allowing new air to selectively flow into the crankcase, and a new air bypass line configured to allow, when a part of the intake gas is selectively bypassed by the pressure difference, the part of the intake gas to flow into the crankcase.
    Type: Grant
    Filed: June 5, 2023
    Date of Patent: February 27, 2024
    Assignees: Hyundai Motor Company, Kia Corporation, FEV Europe GMBH
    Inventors: Tae Won Park, Duk Jin Park, Kyung Sin Lee, Alexander Reguschewski
  • Publication number: 20230200121
    Abstract: A display device includes a display unit including: a plurality of light emitting diodes; a touch unit disposed on the display unit and including a touch conductive layer of a mesh type; and a reflection preventing unit disposed on the touch unit and including a polarization layer. The touch conductive layer includes a plurality of first conductive lines extending in a first direction and a plurality of second conductive lines extending in a second direction crossing the first direction, and an angle between the second direction and an absorption axis of the polarization layer is about 5±10°.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 22, 2023
    Inventors: Duk Jin LEE, Beong-Hun BEON, Tae Yong EOM, Hyo Sung HONG
  • Patent number: 11675109
    Abstract: A display device includes a substrate, a circuit part disposed on the substrate and an encapsulation layer disposed on the circuit pan. An inorganic layer is disposed on the encapsulation layer and includes a groove. An anti-reflection layer is disposed on the inorganic layer. The anti-reflection layer includes a first region that overlaps the groove and a second region that is outside of the first region. The transmittance of the first region and the transmittance of the second region are different from each other.
    Type: Grant
    Filed: May 21, 2020
    Date of Patent: June 13, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Duk Jin Lee, Beong-Hun Beon, Je Seon Yeon, Min Ha Kim
  • Publication number: 20220367840
    Abstract: A light emitting display device includes a display panel including a light emitting area and a non-light emitting area; a phase delay layer disposed on the display panel; and a polarizer and an additional polarizer disposed on the phase delay layer. The display panel includes a transistor disposed on a substrate, an organic film overlapping the transistor and including an opening, a first electrode, an emission layer disposed on the first electrode and disposed corresponding to the light emitting area, and a second electrode disposed, the first electrode, the emission layer, and the second electrode form a light emitting diode (LED), the additional polarizer includes a polarization portion overlapping the opening of the organic film in a plan view and a non-polarization portion disposed in a region where the polarization portion is not disposed, and the polarization portion is disposed in a portion of the non-light emitting area.
    Type: Application
    Filed: December 29, 2021
    Publication date: November 17, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Duk Jin LEE, Beong-Hun BEON, Hyo Sung HONG
  • Publication number: 20220236470
    Abstract: An optical film comprises a polarizing layer, a first optical compensation layer that is disposed under the polarizing layer and is a biaxial plate, a second optical compensation layer that is disposed under the first optical compensation layer and is a quarter wave plate, and a third optical compensation layer that is disposed under the second optical compensation layer and is a positive C plate. The first optical compensation layer has an optical axis angle of 86 to 94 degrees with respect to a transmission axis of the polarizing layer.
    Type: Application
    Filed: December 21, 2021
    Publication date: July 28, 2022
    Inventors: HYO SUNG HONG, BEONG HUN BEON, DUK JIN LEE, WOO SUK JUNG
  • Patent number: 11307610
    Abstract: A display device may comprise a display panel including one surface at a front side of the display panel and another surface at a rear side of the display panel, a front stacked structure disposed on the surface of the display panel, and a rear stacked structure disposed on the another surface of the display panel. The front stacked structure may include a polarizing member disposed on the surface of the display panel, and an impact absorbing layer disposed on the polarizing member. The polarizing member may include at least one phase retardation layer disposed on the surface of the display panel, a polarization layer disposed between the at least one phase retardation layer and the impact absorbing layer, and a first polarization protection layer disposed between the polarization layer and the impact absorbing layer.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: April 19, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Duk Jin Lee, Beong Hun Beon
  • Publication number: 20210359275
    Abstract: An optical film includes a polarizing layer including a polymer dyed with iodine, a phase-retardation layer disposed under the polarizing layer, and an inorganic barrier layer including a non-polar inorganic material. The inorganic barrier layer is disposed on at least a surface of the polarizing layer, has a water vapor transmission rate (WVTR) equal to or less than about 100 g/day·m2, and has a thickness equal to or less than about 5 ?m. A display device comprising the optical film is also provided.
    Type: Application
    Filed: February 18, 2021
    Publication date: November 18, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Beong-Hun BEON, Duk Jin LEE, Woo Suk JUNG, Dong-Wook CHOI
  • Publication number: 20210294379
    Abstract: A display device may comprise a display panel including one surface at a front side of the display panel and another surface at a rear side of the display panel, a front stacked structure disposed on the surface of the display panel, and a rear stacked structure disposed on the another surface of the display panel. The front stacked structure may include a polarizing member disposed on the surface of the display panel, and an impact absorbing layer disposed on the polarizing member. The polarizing member may include at least one phase retardation layer disposed on the surface of the display panel, a polarization layer disposed between the at least one phase retardation layer and the impact absorbing layer, and a first polarization protection layer disposed between the polarization layer and the impact absorbing layer.
    Type: Application
    Filed: September 29, 2020
    Publication date: September 23, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Duk Jin LEE, Beong Hun BEON
  • Publication number: 20210157043
    Abstract: A display device includes: a display panel; a first adhesive layer disposed on the display panel; a polarization portion disposed on the first adhesive layer; a second adhesive layer disposed on the polarization portion; and a window disposed on the second adhesive layer, wherein the polarization portion includes a polarizer, and wherein the second adhesive layer is disposed on the polarizer.
    Type: Application
    Filed: July 22, 2020
    Publication date: May 27, 2021
    Inventors: Beong-Hun BEON, Woo Suk JUNG, Duk Jin LEE
  • Publication number: 20210096278
    Abstract: A display device includes a substrate, a circuit part disposed on the substrate and an encapsulation layer disposed on the circuit pan. An inorganic layer is disposed on the encapsulation layer and includes a groove. An anti-reflection layer is disposed on the inorganic layer. The anti-reflection layer includes a first region that overlaps the groove and a second region that is outside of the first region. The transmittance of the first region and the transmittance of the second region are different from each other.
    Type: Application
    Filed: May 21, 2020
    Publication date: April 1, 2021
    Inventors: Duk Jin LEE, Beong-Hun BEON, Je Seen YEON, Min Ha KIM
  • Publication number: 20200249781
    Abstract: A display device according to an exemplary embodiment of the present system and method includes a substrate; a display active layer disposed on the substrate, the display active layer including a plurality of pixels that are configured to display a first color, a second color, and a third color, respectively, and a touch sensing layer disposed on the display active layer. The touch sensing layer includes first touch electrodes and second touch electrodes, which are separated from each other, and gaps between the first touch electrodes and the second touch electrodes. The gaps are formed to expose first color pixels configured to display the first color and non-pixel areas.
    Type: Application
    Filed: April 17, 2020
    Publication date: August 6, 2020
    Inventors: Duk Jin LEE, In Young HAN, Hye Jung PARK, Jung Hee SON, Woo Suk JUNG
  • Patent number: 10627963
    Abstract: A display device according to an exemplary embodiment of the present system and method includes a substrate; a display active layer disposed on the substrate, the display active layer including a plurality of pixels that are configured to display a first color, a second color, and a third color, respectively, and a touch sensing layer disposed on the display active layer. The touch sensing layer includes first touch electrodes and second touch electrodes, which are separated from each other, and gaps between the first touch electrodes and the second touch electrodes. The gaps are formed to expose first color pixels configured to display the first color and non-pixel areas.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Duk Jin Lee, In Young Han, Hye Jung Park, Jung Hee Son, Woo Suk Jung