Patents by Inventor In-ho Song

In-ho Song 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: 20220352411
    Abstract: A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.
    Type: Application
    Filed: December 16, 2021
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Dae Ho SONG, So Yeon YOON, Joo Woan CHO
  • Publication number: 20220352433
    Abstract: A display device comprises a first substrate including a plurality of pixel circuit units, a plurality of light emitting elements in a display area on the first substrate and electrically connected to a corresponding one of the plurality of pixel circuit units, respectively, a plurality of grooves corresponding to partially recessed top surfaces of the plurality of light emitting elements, respectively, and a plurality of light output patterns corresponding to the plurality of light emitting elements, the light output pattern being partially in a corresponding groove of the plurality of grooves, wherein the light output pattern includes a first surface in contact with the light emitting element in the groove, a second surface opposite to the first surface, and a third surface that is a side surface connecting the first surface and the second surface, and the second surface is a curved outer surface.
    Type: Application
    Filed: December 28, 2021
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Dae Ho SONG, Byung Choon YANG, Tae Hee LEE, Hyung Il JEON
  • Publication number: 20220352251
    Abstract: The disclosure relates to a display device and a method of manufacturing the same. A display device includes a pixel including a first electrode, a light emitting element disposed on the first electrode, and a second electrode disposed on the light emitting element. The light emitting element includes: an emission layer that generates light of a first color; a first light conversion layer disposed between the emission layer and the first electrode to convert the light of the first color into light of a second color; a second light conversion layer disposed between the first light conversion layer and the first electrode to convert the light of the first color or the light of the second color into light of a third color; and a first semiconductor layer disposed between the emission layer and the second electrode and including a first conductivity type dopant.
    Type: Application
    Filed: March 25, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Seung Geun LEE, Min Woo KIM, Byung Ju LEE, Dae Ho SONG, Jin Woo CHOI
  • Publication number: 20220352444
    Abstract: A display device includes a first substrate, light emitting elements and a connection electrode on a first surface of the first substrate, and electrically connected to the light emitting elements, first pads spaced from the connection electrode in a direction, second pads spaced from the connection electrode in another direction, a circuit board including a first circuit board pad and a second circuit board pad, a first pad connection electrode connected to the first pads and the first circuit board pad, and including a first connection part in a first via hole passing through the first substrate, and a first electrode part on the first substrate, and a second pad connection electrode connected to the second pads and the second circuit board pad, and including a second connection part in a second via hole passing through the first substrate, and a second electrode part on the first substrate.
    Type: Application
    Filed: January 7, 2022
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Sung Kook PARK, Dae Ho SONG, Byung Choon YANG, Hyung Il JEON, Jin Woo CHOI
  • Publication number: 20220352424
    Abstract: A display device includes a substrate, a partition wall on the substrate, a pixel electrode located at each of a plurality of light emitting areas partitioned by the partition wall on the substrate, a light emitting element on the pixel electrode in each of the plurality of light emitting areas and extending in a thickness direction of the substrate, a common electrode on the light emitting element and the partition wall, and a common connection electrode located between the substrate and the partition wall. The common electrode may be in contact with an upper surface of the common connection electrode that is not covered by the partition wall.
    Type: Application
    Filed: March 17, 2022
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Jin Taek PARK, Sung Eun BAEK, Dae Ho SONG, Hyung Il JEON
  • Publication number: 20220352243
    Abstract: A display device includes a first substrate including a display area, a non-display area, and a plurality of pixel circuit units in the display area and the non-display area, a plurality of light emitting elements on the first substrate in the display area, the plurality of light emitting elements being electrically connected to the pixel circuit units, a hole mask layer on the first substrate and including a plurality of holes corresponding to the light emitting elements, a second substrate on the hole mask layer and including a plurality of open holes corresponding to the plurality of holes, and a plurality of light exit patterns in the plurality of the open holes of the second substrate corresponding to the plurality of holes, wherein each of the light exit patterns includes a first part in one of the plurality of open holes.
    Type: Application
    Filed: January 6, 2022
    Publication date: November 3, 2022
    Inventors: Joo Woan CHO, Dae Ho SONG, Tae Hee LEE, Hyung Il JEON, Byeong Hwa CHOI
  • Publication number: 20220352238
    Abstract: A display device includes light-emitting elements disposed on a substrate, wherein each of the light-emitting elements includes a first semiconductor layer, an active layer disposed on the first semiconductor layer, a second semiconductor layer disposed on the active layer, and a porous layer disposed on the second semiconductor layer.
    Type: Application
    Filed: December 22, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Su Jeong KIM, Young Jin SONG, Jin Wan KIM, Dae Ho SONG, Jin Woo CHOI, Sang Jo KIM, Hoo Keun PARK, Byung Ju LEE, Seung Geun LEE
  • Publication number: 20220352437
    Abstract: A display device includes a bank disposed on a substrate, a light emitting element disposed in a light emitting area partitioned by the bank on the substrate, and extended in a thickness direction of the substrate, a wavelength conversion layer disposed on the light emitting element in the light emitting area and converting a wavelength of light emitted from the light emitting element, and a protective film disposed between the light emitting element and the wavelength conversion layer in the light emitting area. The protective film is disposed between at least one side of the light emitting element and at least one side of the bank which face each other.
    Type: Application
    Filed: December 28, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dae Ho SONG, Min Woo KIM, Hyung Il JEON, Jin Woo CHOI, Sung Kook PARK, So Yeon YOON
  • Publication number: 20220352442
    Abstract: A display device includes a common electrode; light emitting elements including anodes commonly and electrically connected to the common electrode; first contact electrodes respectively electrically connected to cathodes of the light emitting elements; a circuit substrate; and second contact electrodes disposed on the circuit substrate and respectively electrically connected to the first contact electrodes and the common electrode.
    Type: Application
    Filed: December 14, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: So Young YEO, Dae Ho SONG, Soo Chul KIM, Jin Taek PARK, Ok Yi LEE
  • Publication number: 20220352249
    Abstract: A display device includes: a base layer; and light-emitting elements on a first surface of the base layer. The base layer includes groove patterns that are recessed from a second surface of the base layer, and the groove patterns overlap with the light-emitting elements, respectively.
    Type: Application
    Filed: March 11, 2022
    Publication date: November 3, 2022
    Inventors: Sung Kook PARK, Dae Ho SONG, Min Woo KIM, Byung Choon YANG, So Yeon YOON, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI
  • Publication number: 20220352247
    Abstract: A display device may include a display element part disposed on a substrate and including a light emitting element, and a color conversion part disposed on the display element part and changing a wavelength of light emitted from the light emitting element. The color conversion part may include an insulating structure layer, a first partition wall structure layer, and a first wavelength conversion portion, the first partition wall structure layer may include first walls, and may be disposed between the insulating structure layer and the display element part, the first wavelength conversion portion may be disposed in a space defined by the first walls, and the first partition wall structure layer may include a silicon-based material.
    Type: Application
    Filed: March 2, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Dae Ho SONG, Soo Chul KIM, Jin Taek PARK, So Young YEO, Ok Yi LEE, Joo Woan CHO
  • Publication number: 20220351929
    Abstract: Provided is an X-ray tube which includes a first electrode, a second electrode spaced apart from the first electrode, a target disposed in a lower portion of the second electrode, an emitter on the first electrode, a third electrode which is positioned between the first electrode and the second electrode and includes an opening at a position perpendicularly corresponding to the emitter, and a spacer provided on the third electrode and surrounding the second electrode. The spacer includes a first section located adjacent to the third electrode and a second section disposed on the first section. The spacer includes a ceramic insulator and conductive dopants dispersed within the ceramic insulator. A concentration of the conductive dopants in the first section of the spacer is greater than a concentration of the conductive dopants in the second section. The third electrode is in contact with the first section of the spacer.
    Type: Application
    Filed: April 4, 2022
    Publication date: November 3, 2022
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Yoon-Ho SONG, Jun-Tae KANG, Jae-Woo KIM, Jin-Woo JEONG
  • Publication number: 20220352239
    Abstract: A display device includes light emitting elements disposed on a substrate. The light emitting elements include an emission area and a porous area including quantum dots.
    Type: Application
    Filed: December 22, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang Jo KIM, Min Woo KIM, Jin Wan KIM, Dae Ho SONG, Jin Woo CHOI, Su Jeong KIM, Young Jin SONG
  • Publication number: 20220352248
    Abstract: A display device includes bank patterns disposed on a substrate, light emitting elements disposed between side surfaces of the bank patterns on the substrate, and a color filter layer disposed between the side surfaces of the bank patterns and disposed on the light emitting elements. The light emitting elements and the bank patterns include a same material.
    Type: Application
    Filed: March 2, 2022
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Soo Chul KIM, Jin Taek PARK, Ki Seong SEO, Dae Ho SONG, So Yeon YOON, Jin Woo CHOI
  • Publication number: 20220352140
    Abstract: A display device includes: a first substrate; a plurality of light-emitting elements on the first substrate; a second substrate opposite to the first substrate, and including one face facing the first substrate, and an opposite face to the one face; a plurality of grooves at the opposite face of the second substrate; a plurality of wavelength conversion layers, each of the wavelength conversion layers being located in a corresponding groove of the plurality of grooves to convert a wavelength of light emitted from a corresponding light-emitting element of the plurality of light-emitting elements; and a plurality of color filters on the wavelength conversion layers, respectively.
    Type: Application
    Filed: March 31, 2022
    Publication date: November 3, 2022
    Inventors: Jin Taek PARK, Soo Chul KIM, Dae Ho SONG, So Young YEO, Ok Yi LEE, Joo Woan CHO, Jin Woo CHOI
  • Publication number: 20220352267
    Abstract: A display device includes a pixel, the pixel includes a first electrode; at least one light emitting element disposed on the first electrode; and a second electrode including at least one overlapping part overlapping the at least one light emitting element and including at least one opening not overlapping the at least one light emitting element, and a shape, a size, and a position of the overlapping part of the second electrode vary according to a position of the at least one light emitting element and a number of light emitting elements.
    Type: Application
    Filed: December 7, 2021
    Publication date: November 3, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Sung Eun BAEK, Jin Woo CHOI, Sung Kook PARK, Dae Ho SONG
  • Publication number: 20220352429
    Abstract: A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.
    Type: Application
    Filed: April 29, 2022
    Publication date: November 3, 2022
    Inventors: Hae Yun CHOI, Tae Hee LEE, Hyung Il JEON, Joo Woan CHO, Dae Ho SONG, Byung Choon YANG
  • Publication number: 20220352246
    Abstract: A display device includes a first substrate, a plurality of light-emitting elements on the first substrate and spaced from each other, wherein each of the plurality of light-emitting elements extends in a thickness direction of the first substrate, a common electrode on the first substrate and the plurality of light-emitting elements, a first insulating layer on the common electrode and the plurality of light-emitting elements, and a first reflective layer on side surfaces of the plurality of light-emitting elements with the first insulating layer therebetween, wherein the common electrode is in contact with a portion of the side surface of each of the plurality of light-emitting elements.
    Type: Application
    Filed: February 11, 2022
    Publication date: November 3, 2022
    Inventors: Jin Woo CHOI, Min Woo KIM, Sung Kook PARK, Jin Taek PARK, Sung Eun BAEK, Dae Ho SONG, Hyung Il JEON
  • Publication number: 20220337604
    Abstract: A system and a method for providing a secure network access of a terminal, the system including: a terminal; a gateway located at a boundary of a network to which the terminal belongs; and a server which manages data transmission between the terminal and the gateway. The server: generates a control flow between the terminal and the server upon receiving a controller access request from the terminal; transmits, to the terminal, identification information of the control flow, and a threat detection policy stored in a database of the server; receives, from the terminal, the controller access update request including threat detection information indicating a result of executing a threat detection function installed in the terminal on the basis of the threat detection policy; and, when detection of a threat is confirmed from the threat detection information, cancels the control flow on the basis of the threat detection policy.
    Type: Application
    Filed: September 24, 2020
    Publication date: October 20, 2022
    Inventors: Young Rang Kim, Pil Ho Song, Hyun Seok Woo
  • Publication number: 20220328436
    Abstract: A display device may include: a substrate including a display area and a non-display area; and a pixel located in the display area, the pixel having an emission area and a pixel circuit area. The pixel may include: at least one transistor located in the pixel circuit area; a first pad electrode and a second pad electrode spaced from each other and located in the emission area, the first pad electrode and the second pad electrode being electrically connected to the at least one transistor; a first through hole penetrating one region of the first pad electrode; a second through hole penetrating one region of the second pad electrode; and a light emitting element located in the emission area, the light emitting element being electrically connected to the first pad electrode and the second pad electrode.
    Type: Application
    Filed: March 17, 2022
    Publication date: October 13, 2022
    Inventors: Dae Ho SONG, Min Woo KIM, Sung Kook PARK, Byung Choon YANG, So Yeon YOON, Hyung Il JEON, Joo Woan CHO, Jin Woo CHOI