Patents by Inventor Ju-Hwa Ha

Ju-Hwa Ha 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: 20210333556
    Abstract: A flexible display device including a first display area including first data lines arranged in a first direction, first scan lines arranged in a second direction intersecting the first direction, a second display area including second data lines arranged in the first direction, second scan lines arranged in the second direction, a first circuit unit adjacent to a side of the first display area, a second circuit unit adjacent to a side of the second display area, and a third circuit unit between the first display area and the second display area.
    Type: Application
    Filed: July 5, 2021
    Publication date: October 28, 2021
    Inventors: Hyun Sup LEE, Jae Joong KWON, Ju Hwa HA
  • 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: 20210320280
    Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.
    Type: Application
    Filed: June 24, 2021
    Publication date: October 14, 2021
    Inventors: Su Jung HUH, Soo Min BAEK, Ji Won LEE, Ju Hwa HA
  • 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
  • Patent number: 11069880
    Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: July 20, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Jung Huh, Soo Min Baek, Ji Won Lee, Ju Hwa Ha
  • Patent number: 11054653
    Abstract: A flexible display device including a first display area including first data lines arranged in a first direction, first scan lines arranged in a second direction intersecting the first direction, and first pixels arranged in regions defined by the first data lines and the first scan lines, a second display area including second data lines arranged in the first direction, second scan lines arranged in the second direction, and second pixels arranged in regions defined by the second data lines and the second scan lines, a first bending area disposed between the first and second display areas, a first circuit unit disposed adjacent to a first side of the first display area, a second circuit unit disposed adjacent to a second side of the first display area, and a third circuit unit disposed adjacent to a first side of the second display area.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: July 6, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Sup Lee, Jae Joong Kwon, Ju Hwa Ha
  • 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: 20200301148
    Abstract: An optical device includes: a lens including a first lens portion having a first curved surface with a first curvature and a second lens portion having a second curved surface corresponding to the first curved surface; a display device disposed on a first side surface of the lens; a convex lens disposed between the first side surface of the lens and the display device; and a reflector disposed on the first curved surface of the first lens portion of the lens, the reflector configured to reflect light of the display device refracted by the convex lens toward a user's eye.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Inventors: Ju Hwa HA, Jae Joong KWON, Jeong Woo PARK, Su Bin JUNG
  • Publication number: 20200292824
    Abstract: An optical device is disclosed. The optical device includes a first lens having a first surface and a plurality of side surfaces; a first display device disposed on a first side surface of the side surfaces of the first lens; and a first active mirror disposed in the first lens. The first active mirror is tilted at a first angle during a first period and is tilted at a second angle during a second period.
    Type: Application
    Filed: March 11, 2020
    Publication date: September 17, 2020
    Inventors: Hyun Sup Lee, Jin Oh Kwag, Jae Joong Kwon, Ju Hwa Ha
  • Publication number: 20200292822
    Abstract: A flexible display device including a first display area including first data lines arranged in a first direction, first scan lines arranged in a second direction intersecting the first direction, and first pixels arranged in regions defined by the first data lines and the first scan lines, a second display area including second data lines arranged in the first direction, second scan lines arranged in the second direction, and second pixels arranged in regions defined by the second data lines and the second scan lines, a first bending area disposed between the first and second display areas, a first circuit unit disposed adjacent to a first side of the first display area, a second circuit unit disposed adjacent to a second side of the first display area, and a third circuit unit disposed adjacent to a first side of the second display area.
    Type: Application
    Filed: February 27, 2020
    Publication date: September 17, 2020
    Inventors: Hyun Sup LEE, Jae Joong KWON, Ju Hwa HA
  • Publication number: 20200278548
    Abstract: An optical device includes: a lens including a first surface and a plurality of side surfaces; a display device on a first side surface from among the plurality of side surfaces, the display device being configured to provide light to the first side surface; and a first reflector in the lens and configured to reflect the light provided by the display device after the light is reflected from a second side surface from among the plurality of side surfaces to the first surface.
    Type: Application
    Filed: February 18, 2020
    Publication date: September 3, 2020
    Inventors: Su Bin JUNG, Jae Joong KWON, Jeong Woo PARK, Ju Hwa HA
  • Publication number: 20200119310
    Abstract: A display device may include a display configured to emit light for displaying an image, a microlens array on the display and configured to collimate the image incident from the display so as to be delivered to the eyes of a user, the microlens array including a refractive index conversion layer in which a refractive index varies from region to region, and an optical path adjustment layer configured to collect light, emitted from the display and transmitted by the microlens array, and to space the display and the microlens array a preset distance apart from each other. Here, the refractive index conversion layer may include a polymer and liquid crystal molecules that interact with the polymer.
    Type: Application
    Filed: August 19, 2019
    Publication date: April 16, 2020
    Inventors: Su Jung HUH, Soo Min BAEK, Ji Won LEE, Ju Hwa HA
  • Publication number: 20200096676
    Abstract: A display device and a method of manufacturing the same are provided. The display device includes a display panel including a series of pixels, each pixel including N sub-pixels, where N is an integer of 2 or greater; and a lens array on a surface of the display panel, the lens array including a series of lenses, wherein each of the lenses overlaps with M sub-pixels, where M is an integer greater than N.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 26, 2020
    Inventors: Ju Hwa HA, Jae Joong KWON, Beom Shik KIM, Joo Woan CHO, Su Jung HUH
  • Publication number: 20200057306
    Abstract: An optical device includes: a lens including a first reflector; a display device at a first side surface of the lens and including a plurality of subpixels; and a lens array between the lens and the display device and including a plurality of lenses configured to condense light from the subpixels onto the first reflector.
    Type: Application
    Filed: August 15, 2019
    Publication date: February 20, 2020
    Inventors: Ju Hwa HA, Jae Joong KWON, Jeong Woo PARK, Su Bin JUNG, Hyun Jin CHO
  • Publication number: 20200026082
    Abstract: An augmented reality providing apparatus is provided. The augmented reality providing apparatus includes a lens including a first lens portion including a first reflective member, and a second lens portion including a second reflective member, and a display device on one side of the lens for displaying first and second images, wherein the first reflective member reflects the first image at a first angle, and the second reflective member reflects the second image at a second angle that is different from the first angle.
    Type: Application
    Filed: June 3, 2019
    Publication date: January 23, 2020
    Inventors: Jeong Woo PARK, Jae Joong KWON, Ju Hwa HA, Hyun Jin CHO, Su Bin JUNG
  • Publication number: 20200026093
    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: Application
    Filed: May 22, 2019
    Publication date: January 23, 2020
    Inventors: Hyun Jin CHO, Jae Joong KWON, Ju Hwa HA, Jeong Woo PARK, Su Bin JUNG
  • Publication number: 20200026084
    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: Application
    Filed: July 17, 2019
    Publication date: January 23, 2020
    Inventors: Jae Joong Kwon, Hyun Jin Cho, Ju Hwa Ha, Jeong Woo Park, Su Bin Jung
  • Patent number: 10338418
    Abstract: A light emission module includes: a light guide including emission sides disposed facing each other, a first and second side connecting the emission sides, a third side connecting the first and second side; a light source unit including a first and second light source corresponding to the first and third side respectively, and a light source substrate supporting the first and second light source and including a first and second portion supporting the first and second light source respectively, the second portion inclined at a first angle with respect to the first portion, the second light source emits a light incident on the third side comprising a first and second orientation angle edge light, the former inclined at a second angle and refracted to propagate in a path adjacent to the second side, and then refracted adjacent to the second side, the first angle smaller than the third angle.
    Type: Grant
    Filed: July 14, 2017
    Date of Patent: July 2, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kyu-Hun Shim, Jae Sul An, Ju Hwa Ha
  • Patent number: 10295859
    Abstract: Disclosed herein is a liquid crystal display device having a thin thickness and a reduced size of a bezel. According to an exemplary embodiment, the liquid crystal display device includes: a liquid crystal display panel including a display area and a non-display area enclosing the display area; a light guide plate disposed under the liquid crystal display panel and having a polygonal plane shape including a first side, a second side, a third side, and a fourth side; and a light source adjacent to the first side of the light guide plate, wherein at least one of the second side, the third side, and the fourth side of the light guide plate overlaps the display area.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: May 21, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eui Jeong Kang, Seok Hyun Nam, Ju Hwa Ha, Sang Ho Hwang