Patents by Inventor Hongyeon LEE

Hongyeon 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: 20240032405
    Abstract: A display panel includes a base layer, a light-emitting element layer on the base layer, a capping layer on the light-emitting element layer, an inorganic absorption layer on the capping layer, and having a refractive index of about 1.8 to about 3.0, and an encapsulation layer on the inorganic absorption layer, and including a first layer, a second layer, and a third layer that are sequentially stacked, wherein the first layer includes: a first sub layer on the inorganic absorption layer, and having a first refractive index of about 1.77 or more, and a second sub layer on the first sub layer, and having a second refractive index lower than the first refractive index.
    Type: Application
    Filed: May 23, 2023
    Publication date: January 25, 2024
    Inventors: SEUNGYEON JEONG, OHJEONG KWON, SU JEONG KIM, TAEHO KIM, HONG-JO PARK, HONGYEON LEE
  • Publication number: 20240008348
    Abstract: A display device includes a display panel, a sensor layer on the display panel, and a light control layer on the sensor layer. The display panel includes a first pixel area emitting a first light and a second pixel area emitting a second light having a light emission wavelength different from a light emission wavelength of the first light, a light emitting element on a base substrate, and an encapsulation layer on the light emitting element. The light control layer includes a high refractive pattern that overlaps the first pixel area, does not overlap the second pixel area, and includes a first colorant, and an overcoat layer covering the high refractive pattern and overlapping the first pixel area and the second pixel area. A refractive index of the high refractive pattern is higher than a refractive index of the overcoat layer.
    Type: Application
    Filed: May 17, 2023
    Publication date: January 4, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEHO KIM, SEUNGYEON JEONG, HYEOJI KANG, SU JEONG KIM, MIHWA LEE, HONGYEON LEE, SUNGGYU JANG
  • Publication number: 20230422585
    Abstract: A display device includes a display panel, a sensor layer on the display panel, and a light control layer on the sensor layer and including a first colorant. The display panel includes a base substrate including a first light-emitting region emitting a first color light, and a second light-emitting region emitting a second color light having a light-emitting wavelength, a light-emitting element on the base substrate, and an encapsulation layer on the light-emitting element, and the sensor layer includes a sensor base layer on the encapsulation layer, a first conductive layer on the sensor base layer, an organic insulating film on the first conductive layer and including a second colorant, a second conductive layer on the organic insulating film, and an upper insulating layer on the second conductive layer. The organic insulating film overlaps the first light-emitting region.
    Type: Application
    Filed: March 31, 2023
    Publication date: December 28, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: SEUNGYEON JEONG, SU JEONG KIM, TAEHO KIM, HYEOJI KANG, OHJEONG KWON, MIHWA LEE, HONGYEON LEE
  • Publication number: 20230292556
    Abstract: A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.
    Type: Application
    Filed: May 16, 2023
    Publication date: September 14, 2023
    Inventors: Hyungguen Yoon, Hongyeon Lee, Sukhoon Kang, Heera Kim, Suji Park, Beomsoo Shin
  • Publication number: 20230284481
    Abstract: A display module is divided into a light-emitting region and a non-light-emitting region. The display module includes a base layer, a display element layer, an encapsulation substrate on the display element layer, and a light control layer including a colorant. The display element layer includes a pixel defining film having an opening defined therein to correspond to the light-emitting region, light-emitting elements adjacent to the pixel defining film, a first electrode exposed by the opening, a hole transport region on the first electrode to correspond to the light-emitting region and on the pixel defining film in the non-light-emitting region, a light-emitting layer on the hole transport layer to correspond to the light-emitting region, an electron transport layer on the light-emitting layer to correspond to the light-emitting region and on the hole transport layer in the non-light-emitting region, and a film formation suppression layer in the non-light-emitting region.
    Type: Application
    Filed: February 2, 2023
    Publication date: September 7, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEHO KIM, HYEOJI KANG, OHJEONG KWON, SU JEONG KIM, MIHWA LEE, HONGYEON LEE, SUNGGYU JANG, SEUNGYEON JEONG
  • Publication number: 20230209877
    Abstract: A display device includes a display panel, a sensor layer provided on the display panel, and a light control layer provided on the sensor layer, and including at least one of a dye or a pigment, wherein the display panel includes a base layer, a pixel-defining film provided on the base layer and having an opening defined therein, a light-emitting element including a light-emitting layer provided in the opening, an inorganic deposition layer provided on the light-emitting element, a low refractive pattern layer provided on the pixel-defining film, and an encapsulation layer provided on the low refractive pattern layer and the inorganic deposition layer, and the encapsulation layer has a higher refractive index than the low refractive pattern layer. Accordingly, due to improved light collection efficiency of the light-emitting element, the display device may have improved display efficiency.
    Type: Application
    Filed: October 20, 2022
    Publication date: June 29, 2023
    Inventors: HONGYEON LEE, OHJEONG KWON, SEUNGYEON JEONG, HYEOJI KANG, TAEHO KIM
  • Patent number: 11690252
    Abstract: A display apparatus includes a light-emitting device with improved reliability while maintaining liquid-repellent properties of peripheral layers after plasma irradiation. The display apparatus includes: a substrate; a pixel electrode disposed on the substrate; a pixel defining layer disposed on the pixel electrode and having an opening that exposes a central portion of the pixel electrode; and a liquid-repellent layer disposed on the pixel defining layer and having an upper surface having a concavo-convex structure.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: June 27, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyungguen Yoon, Hongyeon Lee, Sukhoon Kang, Heera Kim, Suji Park, Beomsoo Shin
  • Publication number: 20230189611
    Abstract: An electronic device includes a base layer, a light-emitting element layer disposed on the base layer and including a pixel defining film in which an opening is defined and a light-emitting layer disposed in the opening, an inorganic deposition layer disposed on the light-emitting element layer, an encapsulation layer disposed on the inorganic deposition layer, and a light control layer disposed on the encapsulation layer and including a base part, light-absorbing particles having a maximum absorption wavelength of about 370 nm to about 400 nm, and a colorant. Therefore, the electronic device may have excellent optical reliability.
    Type: Application
    Filed: October 17, 2022
    Publication date: June 15, 2023
    Inventors: HYEOJI KANG, TAEHO KIM, OHJEONG KWON, HONGYEON LEE, SEUNGYEON JEONG
  • Publication number: 20230105374
    Abstract: A display apparatus that includes a substrate; a first light-emitting device, a second light-emitting device, and a third light-emitting device, which are arranged on the substrate and respectively form emission areas by emitting light of wavelengths different from one another; a low-reflection layer arranged on the first light-emitting device, the second light-emitting device, and the third light-emitting device and including an inorganic material; a light-shielding layer arranged above the low-reflection layer, corresponding to a non-emission area between the emission areas and having openings corresponding to the emissions areas; a color filter layer arranged in the openings of the light-shielding layer, corresponding to only the first light-emitting device among the first light-emitting device, the second light-emitting device, and the third light-emitting device; and a reflection control layer arranged on the light-shielding layer and the color filter layer is provided.
    Type: Application
    Filed: August 12, 2022
    Publication date: April 6, 2023
    Inventors: Seungyeon Jeong, Ohjeong Kwon, Hyeoji Kang, Wooyoung Kim, Taeho Kim, Hongyeon Lee
  • Publication number: 20230096610
    Abstract: An electronic device includes an electronic module, a display panel including a first display area overlapping the electronic module in a plan view, a second display area not overlapping the same in a plan view and including a light emitting element layer, an inorganic absorption layer, and an encapsulation layer, and a reflection adjusting layer on the display panel and including a dye. The first display area includes an element area including a pixel electrode, a hole transport layer, a light emitting layer, an electron transport layer, and a common electrode, and a transmissive area adjacent to the element area, including the hole transport layer, the electron transport layer, and a pattern layer, and not including the light emitting layer and the common electrode, and the inorganic absorption layer overlaps the element area in a plan view and does not overlap the transmissive area in a plan view.
    Type: Application
    Filed: July 15, 2022
    Publication date: March 30, 2023
    Applicant: Samsung Display Co., Ltd.
    Inventors: TAEHO KIM, HYEOJI KANG, OHJEONG KWON, WOOYOUNG KIM, HONGYEON LEE, SEUNGYEON JEONG
  • Publication number: 20230086323
    Abstract: A display apparatus includes: a substrate; a display element arranged on the substrate; a low-reflection inorganic layer arranged on the display element; a light-shielding layer arranged on the low-reflection inorganic layer and including an opening corresponding to an emission area of the display element; a first insulating layer arranged on the light-shielding layer and including an opening corresponding to the emission area of the display element; and a second insulating layer filling the opening of the light-shielding layer and the opening of the first insulating layer, wherein the first insulating layer includes a material configured to absorb light in a wavelength band of about 380 nm to about 500 nm, and a thickness of the first insulating layer is greater than a thickness of the light-shielding layer.
    Type: Application
    Filed: May 27, 2022
    Publication date: March 23, 2023
    Inventors: Ohjeong Kwon, Seungyeon Jeong, Wooyoung Kim, Hongyeon Lee
  • Publication number: 20230076553
    Abstract: An electronic device includes: a base layer; a display element layer on the base layer; and a reflection control layer on the display element layer and comprising a dye, the display element layer comprising: a pixel definition layer having first, second, and third openings formed therethrough; a first light emitting element corresponding to the first opening and emitting a first light; a second light emitting element corresponding to the second opening and emitting a second light different from the first light; a light receiving element corresponding to the third opening; and an inorganic absorbing layer on the first and second light emitting elements, and wherein the reflection control layer overlaps the first light emitting element and the second light emitting element.
    Type: Application
    Filed: August 5, 2022
    Publication date: March 9, 2023
    Inventors: TAEHO KIM, HYEOJI KANG, OHJEONG KWON, HONGYEON LEE, SEUNGYEON JEONG
  • Publication number: 20230069748
    Abstract: A display device includes: a display panel comprising light emitting areas and a non-light-emitting area adjacent to the light emitting areas; an input sensor on the display panel; and a reflective control layer on the input sensor, the display panel including: a light emitting element; a capping layer on the light emitting element; a pattern layer directly on the capping layer and comprising a plurality of protrusions spaced apart from each other; and an encapsulation layer on the pattern layer, wherein each of the protrusions does not overlap the light emitting areas and overlaps the non-light-emitting area.
    Type: Application
    Filed: July 25, 2022
    Publication date: March 2, 2023
    Inventors: WOOYOUNG KIM, HYEOJI KANG, OHJEONG KWON, KYEONGJONG KIM, TAEHO KIM, HONGYEON LEE, SEUNGYEON JEONG
  • Patent number: 11508940
    Abstract: A display device includes a light emitting element layer, and an optical pattern layer disposed on the light emitting element layer. The optical pattern layer includes a first pattern layer having a base part and protruding parts, and a second pattern layer having a refractive index less than a refractive index of the first pattern layer to scatter light incident to the optical pattern layer and minimize reduction in front efficiency, thereby providing an improved display quality of a side viewing angle.
    Type: Grant
    Filed: June 5, 2020
    Date of Patent: November 22, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ohjeong Kwon, Hongyeon Lee, Seungyeon Jeong, Minju Han
  • Publication number: 20220293890
    Abstract: A display apparatus includes a substrate, a display element on the substrate, a low-reflection inorganic layer on the display element, a light blocking layer on the low-reflection inorganic layer and defining an opening corresponding to an emission area of the display element, and a reflection control layer filling the opening of the light blocking layer. The light blocking layer includes a first light blocking layer and a second light blocking layer having different light absorption wavelength spectra from each other.
    Type: Application
    Filed: November 11, 2021
    Publication date: September 15, 2022
    Inventors: Seungyeon Jeong, Ohjeong Kwon, Hongyeon Lee, Hyeoji Kang, Kyeongjong Kim
  • Publication number: 20220285655
    Abstract: A display apparatus includes a display element on a substrate, a low-reflection layer on the display element, a light blocking layer on the low-reflection layer, the light blocking layer defining an opening corresponding to an emission area of the display element, and the light blocking layer including a body part that absorbs visible light and a light absorbing agent that is disposed in the body part and absorbs light in a wavelength band of about 380 nanometers (nm) to about 500 nm, and a reflection adjustment layer filling the opening of the light blocking layer.
    Type: Application
    Filed: September 17, 2021
    Publication date: September 8, 2022
    Inventors: Hongyeon Lee, Seungyeon Jeong, Ohjeong Kwon, Hyeoji Kang, Sujeong Kim
  • Publication number: 20220238841
    Abstract: A display apparatus includes: a substrate; a first layer disposed on the substrate and including an organic light-emitting device; a second layer disposed on the first layer and including an inorganic material; a capping layer disposed on the second layer, and a third layer disposed on the capping layer.
    Type: Application
    Filed: January 27, 2022
    Publication date: July 28, 2022
    Inventors: Hongyeon LEE, Seungyeon JEONG, Beohmrock CHOI, Ohjeong KWON, Hongjo PARK, Sujeong KIM, Kyunghee LEE
  • Publication number: 20220238606
    Abstract: A display apparatus includes: a first light-emitting device, a second light-emitting device, and a third light-emitting device, on a substrate; a first color conversion layer and a second color conversion layer respectively on the first light-emitting device and the second light-emitting device; a transmissive layer on the third light-emitting device; and an optical functional layer on the first color conversion layer, the second color conversion layer, and the transmissive layer, and comprising a reflective metal layer and a light-absorbing layer, the light-absorbing layer being on the reflective metal layer, wherein the optical functional layer comprises a plurality of openings respectively corresponding to a first emission area of the first light-emitting device, a second emission area of the second light-emitting device, and a third emission area of the third light-emitting device.
    Type: Application
    Filed: December 10, 2021
    Publication date: July 28, 2022
    Inventors: Seungyeon Jeong, Ohjeong Kwon, Hongyeon Lee, Minju Han, Hyeoji Kang
  • Publication number: 20220238848
    Abstract: A display apparatus includes: a substrate; a layer disposed on the substrate and including an organic light-emitting device; a low-reflection inorganic layer disposed on the display device layer including an inorganic material; a light-blocker is disposed on the low-reflection inorganic layer; and a reflection-controlling layer disposed on the light-blocker.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Inventors: Ohjeong KWON, Seungyeon Jeong, Hongyeon Lee, Hyeoji Kang, Jaejin Lyu
  • Publication number: 20220209204
    Abstract: A display device includes an organic light emitting diode emitting light, an antireflection layer disposed on the organic light emitting diode and preventing reflection of external light incident from an outside, and a thin film encapsulation layer disposed on the antireflection layer.
    Type: Application
    Filed: September 9, 2021
    Publication date: June 30, 2022
    Inventors: WOOYOUNG KIM, OHJEONG KWON, JUNGHAN SEO, HONGYEON LEE, SEUNGYEON JEONG