Patents by Inventor Yeon-Hwa Lee

Yeon-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: 20250126976
    Abstract: A display device includes: a first pixel electrode on a substrate; a pixel defining layer on the substrate and exposing the first pixel electrode; a first light emitting layer on the first pixel electrode; a first common electrode on the first light emitting layer; a first bank on the pixel defining layer; a second bank on the first bank and including side surfaces protruding more than side surfaces of the first bank; and a third bank on upper and lower surfaces of the second bank and including a hydrophobic material.
    Type: Application
    Filed: April 25, 2024
    Publication date: April 17, 2025
    Inventors: Hwi KIM, Jung Sun PARK, Ji Hee SON, Seoul Ki LEE, Seung Jun LEE, A Reum LEE, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20250040375
    Abstract: A display device may include: a connection pattern and a dummy pattern disposed to be spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer disposed on the pixel electrode; a control layer disposed on the light emitting layer; and a common electrode disposed on the control layer. The dummy pattern may include a first conductive layer, a second conductive layer, a third conductive layer, a fourth conductive layer, and a fifth conductive layer sequentially disposed. The first conductive layer, the third conductive layer, and the fifth conductive layer may include the same material. The second conductive layer and the fourth conductive layer may include the same material. The first, third, fifth conductive layers and the second and fourth conductive layers may include different materials.
    Type: Application
    Filed: July 22, 2024
    Publication date: January 30, 2025
    Inventors: Hwi KIM, Hye Jin GWARK, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20250040374
    Abstract: The display device includes a connection pattern and a dummy pattern spaced apart from each other on a substrate; a via layer on the substrate; a pixel electrode on the via layer and electrically connected to the connection pattern; a light emitting layer on the pixel electrode; a control layer on the light emitting layer; and a common electrode on the control layer. The dummy pattern may include a first dummy pattern and a second dummy pattern disposed on the first dummy pattern. The first dummy pattern may include a first layer, a second layer, and a third layer each of which is made of a conductive material and is sequentially stacked. The second dummy pattern may include an organic pattern including a first portion and a second portion having different areas in a plan view.
    Type: Application
    Filed: July 19, 2024
    Publication date: January 30, 2025
    Inventors: Hwi KIM, Hye Jin GWARK, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE
  • Patent number: 12167669
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Grant
    Filed: November 24, 2023
    Date of Patent: December 10, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sik Kim, Jae Ik Kim, Jung Sun Park, Seung Yong Song, Duck Jung Lee, Yeon Hwa Lee, Joon Gu Lee, Kyu Hwan Hwang
  • Publication number: 20240276805
    Abstract: A display device includes: a substrate including a display area and a non-display area; an external common voltage line disposed in the non-display area; a common voltage line disposed in the display area and connected to the external common voltage line; a plurality of pixels positioned in the display area, each of which includes a first electrode and an emission layer; and a second electrode positioned on the pixels. The common voltage line has a multi-layered structure including a first layer, a second layer, and a third layer, the second layer defines an undercut structure therein, a width of the second layer is narrower than a width of each of the first layer and the third layer, and a length of an undercut of the undercut structure is greater than a thickness of the common voltage line.
    Type: Application
    Filed: February 7, 2024
    Publication date: August 15, 2024
    Inventors: Jae Ik KIM, Hye Jin GWARK, Hwi KIM, Jungsun PARK, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20240266489
    Abstract: A display device according to an embodiment includes a display area and a non-display area, an external common voltage line formed in the non-display area, a common voltage line formed in the display area and connecting a portion and another portion of the external common voltage line, a plurality of pixels positioned in the display area and including a first electrode and an emission layer, and a second electrode positioned on the plurality of pixels. The common voltage line has a multi-layered structure including a first layer, a second layer, a third layer, and a reinforced layer. The reinforced layer is positioned between the second layer and the third layer, the first layer, the second layer, and the third layer include a metal, and the reinforced layer includes an inorganic material or an organic material.
    Type: Application
    Filed: November 29, 2023
    Publication date: August 8, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Yeon Hwa LEE, HYE JIN GWARK, Jae Ik KIM, HWI KIM, JUNGSUN PARK, DUCKJUNG LEE, Joon Gu LEE
  • Publication number: 20240260360
    Abstract: A display device includes: a pixel circuit layer including a base layer, a pixel circuit, and a passivation layer including a well area and a protrusion area; and a light-emitting-element layer disposed on the pixel circuit layer, and including a light emitting element, and a connecting electrode, the light emitting element including a first electrode, a second electrode, and an emission part. The connecting electrode is disposed in the protrusion area, and at least a portion of the connecting electrode overlaps the well area and does not contact the passivation layer. The emission part includes a hole layer, an electron layer, and an emission layer. The hole layer connects the first electrode and the emission layer. The electron layer connects the second electrode and the emission layer. Each of the hole layer and the second electrode has an end portion on the connecting electrode.
    Type: Application
    Filed: November 28, 2023
    Publication date: August 1, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Duck Jung LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Seung Yong SONG, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20240217902
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), it is possible to form a fine pattern of the electrode without using a shadow mask, since it is easy to manufacture a transparent display having high light transmittance, it is possible to more easily apply UDC.
    Type: Application
    Filed: June 24, 2022
    Publication date: July 4, 2024
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won KIM, Kyung Hwan OH, Bu Yong YUN, Hyung Dong LEE, Jin Woo SHIN, Soung Yun MUN, Jae Duk YOO, Jung Geun LEE, Joon Gu LEE, Yeon Hwa LEE, Mi Kyung KIM, Ji Hyun SEO, Kwan Hee LEE
  • Publication number: 20240179955
    Abstract: A display device includes a pixel electrode, a pixel defining layer disposed on the pixel electrode and forming an opening which exposes a portion of the pixel electrode, an auxiliary electrode disposed on the pixel defining layer and the pixel electrode, an intermediate layer disposed on the pixel defining layer and the auxiliary electrode and a common electrode disposed on the intermediate layer. The pixel defining layer includes a recessed portion recessed into the pixel defining layer, the auxiliary electrode includes a first undercut forming portion disposed on the recessed portion and contacting the portion of the pixel electrode, and the intermediate layer includes a hole injection layer, a light-emitting layer and an electron injection layer stacked sequentially. The hole injection layer includes a first portion disposed on the first undercut forming portion and a second portion separated from the first portion and disposed on the recessed portion.
    Type: Application
    Filed: September 11, 2023
    Publication date: May 30, 2024
    Inventors: Jae Ik KIM, Hye Jin GWARK, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20240164177
    Abstract: A display device includes a pixel electrode, a pixel defining layer including an opening extending to a portion of the pixel electrode, a first auxiliary electrode on the portion of the pixel electrode to which the opening extends, a second auxiliary electrode on the first auxiliary electrode, an intermediate layer on the pixel defining layer and the second auxiliary electrode, and a common electrode on the intermediate layer. A side surface of the first auxiliary electrode is positioned inward of a side surface of the second auxiliary electrode within the opening of the pixel defining layer to form an undercut shape. A hole injection layer of the intermediate layer includes a first portion on a side surface of the pixel defining layer defining the opening of the pixel defining layer, and a second portion disconnected from the first portion and on the second auxiliary electrode.
    Type: Application
    Filed: August 9, 2023
    Publication date: May 16, 2024
    Inventors: Jae Ik KIM, Hye Jin GWARK, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE, Joon Gu LEE
  • Publication number: 20240116791
    Abstract: The present disclosure relates to a toxic waste treatment process and treatment apparatus including: a temperature raising operation of raising a temperature of a toxic waste solid to a heat treatment temperature selected from 300° C. to 600° C. at an average temperature raising rate of 5° C./min or less; and a heat treatment operation of heat-treating the toxic waste solid at the heat treatment temperature.
    Type: Application
    Filed: September 14, 2022
    Publication date: April 11, 2024
    Applicant: LG Chem, Ltd.
    Inventors: Manki Cho, Hyun Woog Ryu, Bonsik Joo, Jeong Kyu Kim, Yeon Hwa Lee
  • Publication number: 20240121987
    Abstract: A display device includes a substrate; an auxiliary electrode including metal layers stacked in an undercut structure; and a light-emitting element layer. The light-emitting element layer includes a second common layer; and a common electrode which extend to the non-emission area. A side surface of the auxiliary electrode includes a first bonding portion in contact with the second common layer, and a second bonding portion in contact with the common electrode. The auxiliary electrode includes a first side and a second side facing each other in one direction, and a third side and a fourth side facing each other in other direction crossing the one direction. The first bonding portion has a first width at a first point of the first side and has a second width smaller than the first width at a second point of the third side.
    Type: Application
    Filed: June 30, 2023
    Publication date: April 11, 2024
    Inventors: Yeon Hwa LEE, Duck Jung LEE, Joon Gu LEE, Tae Wook KANG
  • Publication number: 20240107857
    Abstract: A display device includes a thin-film transistor, a source/drain electrode and an auxiliary electrode including a first conductive layer and a second conductive layer disposed on the first conductive layer, a via insulating layer having a first opening exposing the auxiliary electrode, a capping layer covering a portion of the auxiliary electrode and a light emitting material layer and a common electrode layer sequentially stacked on the via insulating layer and the capping layer, wherein the source/drain electrode is electrically connected to the thin-film transistor through a contact hole penetrating the interlayer insulating layer, the auxiliary electrode has an undercut, and the capping layer includes a first capping layer covering side surfaces of the first conductive layer of the auxiliary electrode and a second capping layer separated from the first capping layer and disposed on the second conductive layer of the auxiliary electrode.
    Type: Application
    Filed: June 20, 2023
    Publication date: March 28, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Joon Gu LEE, Hye Jin GWARK, Jae Ik KIM, Hwi KIM, Jung Sun PARK, Yeon Hwa LEE
  • Publication number: 20240099114
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Application
    Filed: November 24, 2023
    Publication date: March 21, 2024
    Inventors: Jae Sik KIM, Jae Ik KIM, Jung Sun PARK, Seung Yong SONG, Duck Jung LEE, Yeon Hwa LEE, Joon Gu LEE, Kyu Hwan HWANG
  • Patent number: 11877508
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: January 16, 2024
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won Kim, Kyung Hwan Oh, Bu Yong Yun, Hyung Dong Lee, Jin Woo Shin, Soung Yun Mun, Jae Duk Yoo, Jung Geun Lee, Joon Gu Lee, Yeon Hwa Lee, Mi Kyung Kim, Ji Hyun Seo, Kwan Hee Lee
  • Patent number: 11871643
    Abstract: A display device may include a first electrode, a second electrode, an emission layer, an intervening layer, and a first encapsulation layer. The second electrode may overlap the first electrode. The emission layer may be disposed between the first electrode and the second electrode, may overlap the first electrode, and may include a light emitting material. The intervening layer may directly contact the second electrode, may be spaced from each of the first electrode and the emission layer, and may include a fluorine compound. A first section of the first encapsulation layer may overlap the emission layer. The intervening layer may be positioned between the second electrode and a second section of the first encapsulation layer.
    Type: Grant
    Filed: March 10, 2021
    Date of Patent: January 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Sik Kim, Jae Ik Kim, Jung Sun Park, Seung Yong Song, Duck Jung Lee, Yeon Hwa Lee, Joon Gu Lee, Kyu Hwan Hwang
  • Publication number: 20230420744
    Abstract: A technical problem to be solved according to the present disclosure is to provide a secondary battery capable of minimizing contact resistance between a base finish part of an electrode assembly and a can even when a deviation in the winding radius of the electrode assembly occurs, by positioning a swelling tape inside the electrode assembly. To this end, the present disclosure provides a secondary battery including: a cylindrical can, an electrode assembly having a base finish part electrically contacting the cylindrical can; a cap assembly sealing the electrode assembly by blocking the cylindrical can; and a swelling tape positioned inside the base finish part to press the base finish part into the cylindrical can.
    Type: Application
    Filed: November 11, 2021
    Publication date: December 28, 2023
    Inventors: Geon Kyu SUNG, Dong Jin AN, Ho Jae LEE, Hyun Ki JUNG, Ye Jin CHO, Yeon Hwa LEE
  • Patent number: 11856841
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Grant
    Filed: February 15, 2023
    Date of Patent: December 26, 2023
    Assignees: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won Kim, Kyung Hwan Oh, Bu Yong Yun, Hyung Dong Lee, Jin Woo Shin, Soung Yun Mun, Jae Duk Yoo, Jung Geun Lee, Joon Gu Lee, Yeon Hwa Lee, Mi Kyung Kim, Ji Hyun Seo, Kwan Hee Lee
  • Publication number: 20230261352
    Abstract: One embodiment of the present invention relates to a cylindrical secondary battery. The present invention comprises: an electrode assembly comprising a negative electrode plate, a positive electrode plate, and a separator interposed between the negative electrode plate and the positive electrode plate, and having a wound shape in one direction; a metallic finishing tape attached to the outer peripheral surface of the electrode assembly so as to cover at least a portion of the electrode assembly; a cylindrical can having one side opened so as to accommodate the electrode assembly along with an electrolyte; and a cap assembly coupled to the open one side of the can so as to seal the can. According to the present invention, by applying the metallic tape to a winding finishing portion of the electrode assembly, the effect is gained of improving the dispersion of quality of a substrate finishing structure, caused by the dispersion of a major axis.
    Type: Application
    Filed: March 25, 2022
    Publication date: August 17, 2023
    Inventors: Geon Kyu SUNG, Dong Jin AN, Ho Jae LEE, Hyun Ki JUNG, Ye Jin CHO, Yeon Hwa LEE
  • Publication number: 20230200214
    Abstract: Provided are a fluorinated compound for patterning a metal or an electrode (cathode), an organic electronic element using the same, and an electronic device thereof, wherein a fine pattern of the electrode is formed by using the fluorinated compound as a material for patterning a metal or an electrode (cathode), without using a shadow mask, and it is possible to more easily apply UDC since it is easy to manufacture a transparent display having high light transmittance.
    Type: Application
    Filed: February 15, 2023
    Publication date: June 22, 2023
    Applicants: DUK SAN NEOLUX CO., LTD., SAMSUNG DISPLAY CO., LTD.
    Inventors: Ki Won KIM, Kyung Hwan OH, Bu Yong YUN, Hyung Dong LEE, Jin Woo SHIN, Soung Yun MUN, Jae Duk YOO, Jung Geun LEE, Joon Gu LEE, Yeon Hwa LEE, Mi Kyung KIM, Ji Hyun SEO, Kwan Hee LEE