Patents by Inventor Jeong Woo Park

Jeong Woo Park 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: 20220078398
    Abstract: A light field display device includes: a display module; an optical coupler emitting a third image obtained by combining a first image and a second image, and including a first surface, a second surface and an emission surface emitting the third image, wherein the first image is emitted from the display module and is incident on the first surface, wherein the second image is incident on the second surface; and a controller configured to generate image data based on 3D modeling data and provide the image data to the display module. The optical coupler includes: an optical waveguide including the first, second and emission surfaces, and a third surface; a beam splitter in the optical waveguide; and a concave mirror adjacent to the third surface of the optical waveguide, and wherein the controller moves the concave mirror in correspondence with depth information included in the 3D modeling data.
    Type: Application
    Filed: June 15, 2021
    Publication date: March 10, 2022
    Inventors: Rang Kyun MOK, Jae Joong KWON, Beom Shik KIM, Jeong Woo PARK, Su Bin JUNG, Hyun Jin CHO, Young Sang HA
  • Patent number: 11269178
    Abstract: Provided are a polygon mirror assembly and a scan device. A polygon mirror assembly includes: a polygon mirror including a plurality of reflection surfaces spaced apart from a rotation axis by a predetermined distance; a first motor for rotating the polygon mirror around the rotation axis; a second motor for moving the polygon mirror in a first axial direction such that the rotation axis is tilted while the first motor rotates the polygon mirror; and a clock signal extraction surface for extracting a clock signal for detecting a change in a rotational speed of the first motor.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: March 8, 2022
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Eui Su Lee, Kyung Hyun Park, Il Min Lee, Kiwon Moon, Dong Woo Park, Hyun Soo Kim, Ho Jin Lee, Jeong Woo Park, Jun Hwan Shin, Kyeong Sun Choi, Dahye Choi
  • Publication number: 20220037624
    Abstract: A display device includes a display panel, a lens array disposed on a first surface of the display panel and including a plurality of lenses, and an optical filter disposed on the first surface of the display panel. The optical filter includes a plurality of first portions and a plurality of second portions which are alternately arranged in a first direction parallel to the first surface of the display panel. Each of the plurality of first portions has a first transmittance value. Each of the plurality of second portions has a symmetric light transmittance distribution in which a transmittance value increases from the center having a second transmittance value to each of opposite ends having a third transmittance value.
    Type: Application
    Filed: August 2, 2021
    Publication date: February 3, 2022
    Inventors: Beom Shik Kim, Jae Joong Kwon, Hyun Jin Cho, Jeong Woo Park
  • Publication number: 20210400254
    Abstract: Provided is a display device. The display device comprises: a display module including a display panel, wherein the display panel includes a display area having a plurality of pixels and an alignment mark area surrounded by the display area, and a display driver driving at least one of the plurality of pixels in the alignment mark area to form an alignment mark; and a stereoscopic lens including a base disposed on the display module, a plurality of lenses disposed on the base at an angle offset from a side of the display module, and a marking portion formed on one or more of the plurality of lenses to overlap the alignment mark area.
    Type: Application
    Filed: June 21, 2021
    Publication date: December 23, 2021
    Inventors: YOUNG SANG HA, Jeong Woo PARK
  • Patent number: 11201250
    Abstract: A Schottky barrier diode includes a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer, and a metal layer formed on the second semiconductor layer to form a Schottky barrier, wherein the first semiconductor layer and the second semiconductor layer are formed of different materials, and a conduction band offset between the first semiconductor layer and the second semiconductor layer is less than a set value.
    Type: Grant
    Filed: April 14, 2020
    Date of Patent: December 14, 2021
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Dong Woo Park, Kyung Hyun Park, Jeong Woo Park, Jun Hwan Shin, Eui Su Lee, Hyun Soo Kim, Kiwon Moon, Il Min Lee
  • Publication number: 20210329802
    Abstract: A display apparatus according to a concept of the disclosure includes: a display panel configured to display an image in a front direction; a top chassis positioned in a front direction of the display panel; a bottom chassis positioned in a rear direction of the display panel; a rear cover covering a rear side of the bottom chassis; and a stand member being accommodatable in the rear cover and selectively coupled with a rear surface of the rear cover, wherein the rear cover includes an accommodating portion in which the stand member is accommodated and a coupling portion coupled with the stand member, and the stand member includes an inserting protrusion which is inserted into the accommodating portion and the coupling portion.
    Type: Application
    Filed: August 27, 2019
    Publication date: October 21, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hee-Bong KIM, Dong Wook KIM, Ji-Gwang KIM, Tae-Hun KIM, Yong Gu DO, Jeong Woo PARK, Gil Jae LEE, Sang Young LEE, Pil Kwon JUNG, Su-An CHOI
  • Publication number: 20210318540
    Abstract: An optical device for realizing augmented reality comprises a lens comprising a first surface and side surfaces, a display device disposed on a first side surface among the side surfaces of the lens and displaying a first image in a first area and a second image in a second area, a first reflector disposed in the lens and reflecting the first image incident on the first side surface of the lens to the first surface, a second reflector disposed in the lens and reflecting the second image incident on the first side surface of the lens to the first surface, a first condenser disposed between the lens and the first area of the display device and focusing the first image on the first reflector, and a second condenser disposed between the lens and the second area of the display device and focusing the second image on the second reflector.
    Type: Application
    Filed: December 14, 2020
    Publication date: October 14, 2021
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyun Sup LEE, Yong Seok KIM, Jeong Woo PARK, Dong Chul SHIN, Gye Hwan LIM, Ju Hwa HA
  • Publication number: 20210286194
    Abstract: A display module includes a display panel having a plurality of pixels and a display driver configured to drive a partial portion of the plurality of pixels that are positioned in an alignment mark area to display an alignment mark in the alignment mark area. A stereoscopic lens including a base is disposed on the display module. A plurality of lenses is disposed on the base and includes at least one flat portion surrounded by the plurality of lenses and overlapping the alignment mark area.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 16, 2021
    Inventors: Jeong Woo PARK, Jae Joong KWON, Beom Shik KIM, Jin Cheol SEO, Young Sang HA, Joo Young OH, Jae You YI
  • Patent number: 11086130
    Abstract: An optical device is provided. The optical device includes: a lens including first and second reflective members; and a flexible display device including a first display area disposed on a first side surface of the lens and a second display area disposed on a second side surface of the lens, wherein the first reflective member is configured to reflect a first image displayed on the first display area to a first surface of the lens, and the second reflective member is configured to reflect a second image displayed on the second display area to the first surface of the lens.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jae Joong Kwon, Hyun Jin Cho, Ju Hwa Ha, Jeong Woo Park, Su Bin Jung
  • Patent number: 11067819
    Abstract: A optical device includes: a display device configured to output a display image; a lens on one side of the display device; and a polarization control unit between the display device and the lens and configured to output the display image output from the display device as first polarized light or second polarized light, wherein the lens comprises: a first polarizing mirror configured to reflect a display image of the first polarized light and to transmit a display image of the second polarized light; and a second polarizing mirror configured to reflect a display image of the second polarized light and to transmit a display image of the first polarized light.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Jin Cho, Jae Joong Kwon, Ju Hwa Ha, Jeong Woo Park, Su Bin Jung
  • Publication number: 20210172872
    Abstract: A measurement apparatus for measuring a coating amount of a slurry according to the present disclosure includes a light emitter configured to irradiate terahertz wave onto a release paper coated with the slurry, a light receiver configured to receive the terahertz wave, which is irradiated from the light emitter and passes through the release paper coated with the slurry, to obtain a power of the terahertz wave, and a calculating part configured to calculate a thickness of an electrode, formed from the slurry applied to the release paper, based on the power of the terahertz wave received by the light receiver.
    Type: Application
    Filed: November 17, 2020
    Publication date: June 10, 2021
    Inventors: Ha Seung SEONG, Ho Jin LEE, Il Min LEE, Ki Won MOON, Eui Su LEE, Dong Woo PARK, Jeong Woo PARK, Kyung Hyun PARK, Hyun Soo KIM
  • Publication number: 20210063751
    Abstract: An optical device including: a display device configured to display an image; and a lens including a plurality of reflectors that reflect the image from the display device to a first surface of the lens, wherein the plurality of reflectors include: a first reflector; and a second reflector having a size different from a size of the first reflector.
    Type: Application
    Filed: August 27, 2020
    Publication date: March 4, 2021
    Inventors: Jeong Woo PARK, Jae Joong KWON, Ju Hwa HA, Yong Seok KIM, Soo Min BAEK, Ji Yeon SEO, Hyun Sup LEE, Su Bin JUNG
  • Publication number: 20210034298
    Abstract: A storage device includes a nonvolatile memory device that includes a first region including memory cells configured to store n-bit data and a second region including memory cells configured to store m-bit data and a memory controller, where n and m are natural numbers and n is less than m. The first region includes a first area and a second area, and the second region includes a third area. The memory controller is configured to perform one of a turbo write operation on the first area or the second area and a normal write operation on the third area, and configured to perform one of a turbo read operation on the first area or the second area and a normal read operation on the third area.
    Type: Application
    Filed: June 17, 2020
    Publication date: February 4, 2021
    Inventors: SONGHO YOON, DONG-MIN KIM, YOUNGMOON KIM, JEONG-WOO PARK, KYOUNG BACK LEE
  • Publication number: 20210034285
    Abstract: A memory system includes a storage device including a turbo write buffer and a user storage area implemented with a nonvolatile memory, and a host configured to transfer a read request to the storage device. In response to the read request, the storage device transfers read data and read data information including attributes of the read data to the host.
    Type: Application
    Filed: June 15, 2020
    Publication date: February 4, 2021
    Inventors: DONG-WOO KIM, SONGHO YOON, JEONG-WOO PARK, DONG-MIN KIM, KYOUNG BACK LEE
  • Publication number: 20210034296
    Abstract: A storage device including a nonvolatile memory device is described. The storage device includes a controller that receives a write command and data from an external host device. The controller preferentially writes the data in an area based on a normal write policy when the data is associated with a normal write, and in an area based on a turbo write policy when the data is associated with a turbo write. The controller may also receive a read command, to read data from an area based on the read command, and output the data to the external host device. The controller may also move the data in response to move information of the read command when the read command is received together with move information.
    Type: Application
    Filed: June 8, 2020
    Publication date: February 4, 2021
    Inventors: JEONG-WOO PARK, DONG-MIN KIM
  • Publication number: 20210034513
    Abstract: A storage device includes a nonvolatile memory device that includes a first area, a second area, and a third area, and a controller that receives a write command and first data from a host device, preferentially writes the first data in the first area or the second area rather than the third area when the first data is associated with a turbo write, and writes the first data in the first area, the second area, or the third area when the first data is associated with a normal write. The controller moves second data between the first area, the second area, and the third area based on the policy received from the host device.
    Type: Application
    Filed: June 9, 2020
    Publication date: February 4, 2021
    Inventors: Youngmoon Kim, Dong-Min Kim, Jeong-Woo Park
  • Publication number: 20210034297
    Abstract: A storage device that includes a nonvolatile memory device is described. The storage device includes areas and a controller. The controller receives a write command and data from an external host device. The controller then preferentially writes the data in an area associated with a turbo write based on a turbo write policy, or in an area not associated with a turbo write based on a normal write policy. The controller also receives a move command from the external host device and moves data stored in the area to a different area based on the move command.
    Type: Application
    Filed: June 9, 2020
    Publication date: February 4, 2021
    Inventors: Jeong-Woo Park, Dong-Min Kim, Youngmoon Kim, Kyoung Back Lee
  • Publication number: 20210011869
    Abstract: Provided is a semiconductor device and a semiconductor system. A semiconductor device can include a command priority policy manager circuit which generates command priority policy information including a command priority compliance policy for a command directed to a device. A host interface circuit can be coupled to the command priority policy manager circuit to receive the command priority policy information from the command priority policy manager circuit, where the host interface circuit operable to transmit the command priority policy information via an electrical interface to the device.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: DONG-MIN KIM, JEONG-WOO PARK, WOOK HAN JEONG, JIN HWAN CHOI
  • Patent number: 10817445
    Abstract: Provided is a semiconductor device and a semiconductor system. A semiconductor device can include a command priority policy manager circuit which generates command priority policy information including a command priority compliance policy for a command directed to a device. A host interface circuit, can be coupled to the command priority policy manager circuit to receive the command priority policy information from the command priority policy manager circuit, where the host interface circuit operable to transmit the command priority policy information via an electrical interface to the device.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Dong-Min Kim, Jeong-Woo Park, Wook Han Jeong, Jin Hwan Choi
  • Publication number: 20200335639
    Abstract: A Schottky barrier diode includes a substrate, a first semiconductor layer formed on the substrate, a second semiconductor layer formed on the first semiconductor layer, and a metal layer formed on the second semiconductor layer to form a Schottky barrier, wherein the first semiconductor layer and the second semiconductor layer are formed of different materials, and a conduction band offset between the first semiconductor layer and the second semiconductor layer is less than a set value.
    Type: Application
    Filed: April 14, 2020
    Publication date: October 22, 2020
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Dong Woo PARK, Kyung Hyun PARK, Jeong Woo PARK, Jun Hwan SHIN, Eui Su LEE, Hyun Soo KIM, Kiwon MOON, IL MIN LEE