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: 20220229297
    Abstract: A display device includes a display unit including a first surface emitting first light, a second surface opposite to the first surface, a first transmission area transmitting light incident on the first surface, and a second transmission area transmitting the light incident on the first surface. The display device includes a first lens on the first surface and including a first hole overlapping the first transmission area in a thickness direction, a second lens on the first surface and spaced apart from the first lens and including a second hole overlapping the second transmission area in the thickness direction, and light sources emitting second light and disposed on the first and second lenses. The display device includes a first camera sensor on the second surface and overlapping the first transmission area, and a second camera sensor on the second surface and overlapping the second transmission area.
    Type: Application
    Filed: October 12, 2021
    Publication date: July 21, 2022
    Inventors: Cheon Myeong LEE, Sang Ho KIM, Soo Min BAEK, Ji Won LEE, Ju Hwa HA
  • Publication number: 20220221721
    Abstract: A display device includes a display unit including a first surface through which light is emitted, a second surface opposite to the first surface, and a plurality of transmissive regions which transmits infrared light incident on the first surface; a first lens and a second lens disposed on the first surface of the display unit, where a plurality of channels, through which the light emitted from the first surface of the display unit passes, is defined in the first lens and the second lens; a plurality of infrared light sources disposed on the first surface of the display unit, where the plurality of infrared light sources emits infrared light; and a plurality of infrared cameras disposed on the second surface of the display unit to overlap the transmissive regions.
    Type: Application
    Filed: November 16, 2021
    Publication date: July 14, 2022
    Inventors: Sang Ho KIM, Soo Min BAEK, Ji Won LEE, Cheon Myeong LEE, Ju Hwa HA
  • Patent number: 11378816
    Abstract: A display device includes a display unit that includes a plurality of pixels; a first lens array unit that includes a plurality of first lenses; and a second lens array unit disposed between the first lens array unit and the display unit and that includes a plurality of second lenses. Each of the first lenses overlaps two or more of the pixels, and a pitch of the second lenses is less than a pitch of the first lenses.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: July 5, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jae Joong Kwon, Joo Woan Cho, Ju Hwa Ha
  • Patent number: 11353631
    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: Grant
    Filed: August 27, 2019
    Date of Patent: June 7, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Hwa Ha, Jae Joong Kwon, Beom Shik Kim, Joo Woan Cho, Su Jung Huh
  • 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: 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