Patents by Inventor Mi-Hwa Lee

Mi-Hwa 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: 20250098473
    Abstract: A display device includes a substrate. A light emitting element layer is disposed on the substrate and includes a pixel defining layer defining a plurality of emission areas and a non-emission area, an encapsulation layer disposed on the light emitting element layer, a touch sensing layer disposed on the encapsulation layer, and comprising a touch connection electrode. A driving electrode and a color pattern are disposed between the touch connection electrode and the driving electrode. A color filter layer is disposed on the touch sensing layer and includes a plurality of color filters, and an overcoat layer disposed on the color filter layer. The color pattern overlaps one of the plurality of emission areas and the non-emission area, and the plurality of color filters do not overlap the emission area that overlaps the color pattern.
    Type: Application
    Filed: May 29, 2024
    Publication date: March 20, 2025
    Inventors: Oh Jeong KWON, Tae Ho KIM, Seung Yeon JEONG, Duck Jong SUH, Mi Hwa LEE, Hong Yeon LEE
  • Publication number: 20250040417
    Abstract: A display device includes a light emitting element disposed on a substrate. A capping layer, an antireflection layer, and an encapsulation layer are sequentially disposed on the light emitting element. The capping layer includes a first capping layer disposed on the light emitting element, and a second capping layer disposed on the first capping layer and having a refractive index greater than a refractive index of the first capping layer. A thickness of the first capping layer is in a range of about 20 ? to about 400 ?, and a thickness of the second capping layer is in a range of about 60 ? to about 400 ?.
    Type: Application
    Filed: March 25, 2024
    Publication date: January 30, 2025
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Yeon JEONG, Oh Jeong KWON, Hyeo Ji KANG, Tae Ho KIM, Mi Hwa LEE, Hong Yeon LEE
  • Publication number: 20250025688
    Abstract: Proposed is a reversible electroporation system including a middle connector combined with a cradle, the system using an electroporation needle including an internal drug channel and an electrode pattern formed on the external surface thereof, so as to allow the application of electric pulses and the formation of electric fields at a lesion site of a patient and enable a corresponding drug to be delivered, thereby enabling an accurate and stable procedure for a diseased part of the body of the patient, wherein the middle connector has a seating part so as to be stably fixed on the body without slipping, and has a first mesh-type fixing part placed therein so that, when the needle is inserted into a certain part of the body, an electroporator can be inserted at an accurate position together with the mesh-type fixing part, and when more stable fixation is required according to the convenience and need of an operator, an electroporator cradle including a second mesh-type fixing part is further provided so that a
    Type: Application
    Filed: November 24, 2021
    Publication date: January 23, 2025
    Applicant: MMILR INC.
    Inventors: Jin Hee MOON, Mi So LEE, Myoung Hwa HONG, Soon Jung OH
  • Publication number: 20240265726
    Abstract: A display device including: a substrate; a plurality of light-emitting elements on the substrate; and a touch sensing layer disposed on the plurality of light-emitting elements, wherein the touch sensing layer includes: a first touch conductive layer; a first insulating layer disposed on the first touch conductive layer; and a second touch conductive layer disposed on the first insulating layer, and wherein the first insulating layer includes a light-converting material that converts light into near-infrared light.
    Type: Application
    Filed: August 23, 2023
    Publication date: August 8, 2024
    Inventors: Tae Ho KIM, Hyeo Ji KANG, Oh Jeong KWON, Su Jeong KIM, Mi Hwa LEE, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Publication number: 20240268153
    Abstract: A display device includes a first pixel including a first emission area formed to emit light having a first color in a third direction, a second pixel including a second emission area formed to emit light having a second color different from the first color, a first partition wall in which a first opening overlapping the first emission area in a plan view is defined, a second partition wall in which a second opening overlapping the second emission area in the plan view is defined, and a first layer covering the first partition wall and the second partition wall. The first partition may be provided with a first height in the third direction. The second partition wall may be provided with a second height different from the first height.
    Type: Application
    Filed: September 15, 2023
    Publication date: August 8, 2024
    Inventors: Mi Hwa LEE, Hyeo Ji KANG, Oh Jeong KWON, Tae Ho KIM, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Publication number: 20240237473
    Abstract: A display device includes: a display part including a light emitting element on a base layer; and a sensor part on the display part and including a conductive pattern including an upper conductive pattern, and an inorganic layer covering the upper conductive pattern, wherein: the inorganic layer includes a first inorganic layer having a first refractive index and a second inorganic layer having a second refractive index less than the first refractive index, and the second inorganic layer is outside the first inorganic layer with respect to the base layer.
    Type: Application
    Filed: August 15, 2023
    Publication date: July 11, 2024
    Inventors: Hyeo Ji KANG, Oh Jeong KWON, Tae Ho KIM, Seung Yeon JEONG, Mi Hwa LEE, Hong Yeon LEE
  • Publication number: 20240215410
    Abstract: A manufacturing method of a display device includes forming a light emitting element layer on a substrate, co-depositing bismuth (Bi) and ytterbium (Yb) on the light emitting element layer to form a first inorganic absorbing layer, and forming a reflection control layer on the first inorganic absorbing layer. In the co-depositing, a deposition temperature of bismuth (Bi) is in a range of about 500° C. to about 850° C., a deposition temperature of ytterbium (Yb) is in a range of about 300° C. to about 550° C., and an extinction coefficient of the first inorganic absorbing layer is less than or equal to about 3.
    Type: Application
    Filed: July 20, 2023
    Publication date: June 27, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hong Yeon LEE, Oh Jeong KWON, Seung Yeon JEONG, Hyeo Ji KANG, Woo Young KIM, Tae Ho KIM, Mi Hwa LEE
  • Publication number: 20240206292
    Abstract: A display device includes a display part, and an outer part on the display part. The outer part includes a first layer and a second layer forming an interface with the first layer. A refractive index of the first layer is lower than a refractive index of the second layer such that light is totally reflected at the interface.
    Type: Application
    Filed: August 16, 2023
    Publication date: June 20, 2024
    Inventors: Tae Ho KIM, Oh Jeong KWON, Hyeo Ji KANG, Mi Hwa LEE, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Publication number: 20240155910
    Abstract: A pixel includes first, second, and third sub-pixels each including an emission area and a non-emission area. Each of the first, second, and third sub-includes a pixel circuit layer; a first electrode on the pixel circuit layer; a pixel defining layer on the first electrode and including an opening to expose an area of the first electrode; an emission layer on the pixel defining layer; a second electrode on the emission layer; a thin film encapsulation layer over the second electrode; a color filter on the thin film encapsulation layer; and an overcoat layer over the color filter. The overcoat layer has a refractive index greater than a refractive index of the color filter. A color filter of the second sub-pixel overlaps a color filter of each of the first and third sub-pixels in the non-emission area.
    Type: Application
    Filed: October 25, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Tae Ho KIM, Hyeo Ji KANG, Oh Jeong KWON, Su Jeong KIM, Mi Hwa LEE, Hong Yeon LEE, Sung Gyu JANG, Seung Yeon JEONG
  • Patent number: 11703728
    Abstract: A black matrix composition and a display device including the same are provided. The black matrix composition includes solids including a pigment including a carbon black and an array of vertically aligned carbon nanotubes, a binder, a monomer, a photoinitiator and an additive, and a solvent.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: July 18, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yi Seop Shim, Su Jeong Kim, Mi Hwa Lee, Yun Ho Lee, Jun Woo Lee
  • Patent number: 11515500
    Abstract: A display device includes: a base substrate; a light emitting element on the base substrate; a thin film encapsulation layer on the light emitting element to encapsulate the light emitting element; a touch member on the thin film encapsulation layer; a color filter layer on the touch member; and a planarization layer on the color filter layer to cover the color filter layer, wherein the planarization layer includes a light absorber represented by Formula 1: X—Ar—Y.
    Type: Grant
    Filed: June 22, 2020
    Date of Patent: November 29, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mi Hwa Lee, Su Jeong Kim, Yi Su Kim, Yi Seop Shim, Jin Hyeong Lee, Eun Jae Jeong
  • Publication number: 20220271262
    Abstract: A display device is provided. The display device comprises a thin-film transistor layer disposed on a substrate, a light emitting element layer disposed on the thin-film transistor layer, a touch sensing layer disposed on the light emitting layer, and a reflection control layer disposed on the touch sensing layer, wherein the reflection control layer includes a UV absorber, wherein the UV absorber includes at least one hydrophobic group, and/or the UV absorber is present as a concentration gradient in the reflection control layer.
    Type: Application
    Filed: November 1, 2021
    Publication date: August 25, 2022
    Inventors: Mi Hwa LEE, Suk Hoon KANG, Jeong Myo SIM, Kyung Hee LEE
  • Patent number: 11342536
    Abstract: A display device includes: a display layer having a display area including a plurality of pixel areas and a peripheral area at least partially surrounding the display area; and a cover layer disposed on the display layer to encapsulate the display area. The cover layer includes: a light blocking portion overlapping the display area and the peripheral area and including a plurality of openings to transmit light from the plurality of pixel areas and to block light in the peripheral area; a first protrusion disposed on the light blocking portion in the peripheral area and surrounding the display area; and an overcoating layer covering the display area and contacting a lateral surface of the first protrusion.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: May 24, 2022
    Assignee: Samsung Display Co., LTD.
    Inventors: Jin Hyeong Lee, Su Jeong Kim, Jong Ho Son, Mi Hwa Lee, Yun Ho Lee
  • Publication number: 20210215980
    Abstract: A black matrix composition and a display device including the same are provided. The black matrix composition includes solids including a pigment including a carbon black and an array of vertically aligned carbon nanotubes, a binder, a monomer, a photoinitiator and an additive, and a solvent.
    Type: Application
    Filed: July 10, 2020
    Publication date: July 15, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Yi Seop SHIM, Su Jeong KIM, Mi Hwa LEE, Yun Ho LEE, Jun Woo LEE
  • Patent number: 11029568
    Abstract: A photoalignment agent is provided. The photoalignment agent includes a copolymer of ii) at least one of a cyclobutanedianhydride (CBDA) and a cyclobutanedianhydride (CBDA) derivative, and ii) a diamine, and the diamine includes an electron donor group.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Suk Hoon Kang, Yeong Rong Park, Mi Hwa Lee, Jun Woo Lee, Baek Kyun Jeon
  • Publication number: 20210143360
    Abstract: A display device includes: a base substrate; a light emitting element on the base substrate; a thin film encapsulation layer on the light emitting element to encapsulate the light emitting element; a touch member on the thin film encapsulation layer; a color filter layer on the touch member; and a planarization layer on the color filter layer to cover the color filter layer, wherein the planarization layer includes a light absorber represented by Formula 1: X—Ar—Y.
    Type: Application
    Filed: June 22, 2020
    Publication date: May 13, 2021
    Inventors: Mi Hwa LEE, Su Jeong KIM, Yi Su KIM, Yi Seop SHIM, Jin Hyeong LEE, Eun Jae JEONG
  • Patent number: 10936126
    Abstract: A display includes a substrate, a plurality of subpixels disposed on the substrate and that include organic light-emitting layers, pixel defining films disposed between the subpixels that partition the subpixels, black matrices disposed on the pixel defining films, where the black matrices absorb visible light and emit infrared light; and a sensor layer that receives infrared light emitted by the black matrices and reflected from an external object.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jin Hyeong Lee, Su Jeong Kim, Jong Ho Son, Mi Hwa Lee, Yun Ho Lee
  • Publication number: 20200395574
    Abstract: A display device includes: a display layer having a display area including a plurality of pixel areas and a peripheral area at least partially surrounding the display area; and a cover layer disposed on the display layer to encapsulate the display area. The cover layer includes: a light blocking portion overlapping the display area and the peripheral area and including a plurality of openings to transmit light from the plurality of pixel areas and to block light in the peripheral area; a first protrusion disposed on the light blocking portion in the peripheral area and surrounding the display area; and an overcoating layer covering the display area and contacting a lateral surface of the first protrusion.
    Type: Application
    Filed: January 15, 2020
    Publication date: December 17, 2020
    Inventors: Jin Hyeong LEE, Su Jeong Kim, Jong Ho Son, Mi Hwa Lee, Yun Ho Lee
  • Publication number: 20200133414
    Abstract: A display includes a substrate, a plurality of subpixels disposed on the substrate and that include organic light-emitting layers, pixel defining films disposed between the subpixels that partition the subpixels, black matrices disposed on the pixel defining films, where the black matrices absorb visible light and emit infrared light; and a sensor layer that receives infrared light emitted by the black matrices and reflected from an external object.
    Type: Application
    Filed: April 5, 2019
    Publication date: April 30, 2020
    Inventors: Jin Hyeong Lee, Su Jeong Kim, Jong Ho Son, Mi Hwa Lee, Yun Ho Lee
  • Patent number: 10421907
    Abstract: A liquid crystal display includes a first base substrate, a second base substrate, an electrode part, and a liquid crystal layer. The second base substrate is disposed opposite to the first base substrate. The electrode part is disposed on at least one of the first base substrate and the second base substrate. The liquid crystal layer is disposed between the first base substrate and the second base substrate. The liquid crystal layer includes a liquid crystal composition. The liquid crystal composition includes at least one kind of liquid crystal compounds including a cyclopentadienyl group.
    Type: Grant
    Filed: June 1, 2017
    Date of Patent: September 24, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Min Hee Kim, So Youn Park, Tae Ho Kim, Mi Hwa Lee, Kyung Ho Park, Chang Hun Lee