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: 20240107143
    Abstract: A display device includes a display portion including a first surface, from which light is emitted in a first direction, and a second surface opposite to the first surface, a first optical portion disposed on the first surface, and a second optical portion disposed on the first surface to be spaced apart from the first optical portion in a second direction crossing the first direction. Each of the first and second optical portions includes a multi-channel lens through which the light from the first surface passes, a first infrared light source, a first camera, and a first lens frame coupled to the multi-channel lens in the first direction to support at least a portion of the multi-channel lens. The first lens frame may include a first recess structure in which the first infrared light source is disposed and a second recess structure in which the first camera is disposed.
    Type: Application
    Filed: July 20, 2023
    Publication date: March 28, 2024
    Inventors: Ji Won LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
  • Publication number: 20230409120
    Abstract: A wearable device includes sensing blocks, and a connection member connecting the sensing blocks, the sensing blocks include a first sensing block and a second sensing block connected to the first sensing block by the connection member, and the first sensing block includes an induced electromotive force sensing module, the induced electromotive force sensing module includes a magnetic body, a coil not contacting the magnetic body and facing the magnetic body, a rod attached to the magnetic body and guiding a movement path of the coil, and an induced electromotive force sensor sensing an induced electromotive force generated in the coil by the coil and the magnetic body.
    Type: Application
    Filed: March 29, 2023
    Publication date: December 21, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Cheon Myeong LEE, Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Bek Hyun LIM, Ju Hwa HA
  • Publication number: 20230413650
    Abstract: A display device includes: a first display panel having a first resolution; a second display panel having a second resolution; and a first multi-channel lens and a second multi-channel lens disposed on one surface of the first display panel and including a plurality of channels through which light emitted from the one surface of the first display panel passes, where the second resolution is higher than the first resolution.
    Type: Application
    Filed: April 11, 2023
    Publication date: December 21, 2023
    Inventors: Sang Ho KIM, Soo Min BAEK, Ju Hwa HA, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Bek Hyun LIM
  • Patent number: 11818451
    Abstract: An optical device includes: a display device configured to display an image; a camera mounting component on the display device; a camera on the camera mounting component; and a multi-channel lens on the camera covering the camera and the camera mounting component, wherein the camera comprises an image sensor.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: November 14, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ji Won Lee, Sang Ho Kim, Soo Min Baek, Cheon Myeong Lee, Ju Hwa Ha
  • Publication number: 20230343282
    Abstract: A display device includes a display member that displays an image, a multi-channel lens unit disposed in a light path of light emitted from the display member, a measurement member that measures a state of an eyeball that is viewing a video output through the multi-channel lens unit, and a processor that controls an intensity of a wavelength of light emitted from the display member by determining the degree of eyeball fatigue based on a measured value of the measurement member.
    Type: Application
    Filed: March 28, 2023
    Publication date: October 26, 2023
    Inventors: Sang Ho KIM, Soo Min Baek, Ju Youn Son, Ji Won LEE, Cheon Myeong Lee, Bek Hyun Lim, Ju Hwa Ha
  • Publication number: 20230337508
    Abstract: A display device includes a display panel which displays an image on an image display surface thereof, at least one lens frame disposed on the image display surface to refract image display lights, and at least one multi-channel lens which forms exit paths of the image display lights refracted by the at least one lens frame for each of multiple channels.
    Type: Application
    Filed: March 31, 2023
    Publication date: October 19, 2023
    Inventors: Sang Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Bek Hyun LIM, Ju Hwa HA
  • Patent number: 11789270
    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: Grant
    Filed: August 27, 2020
    Date of Patent: October 17, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    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: 20230320181
    Abstract: A display device comprises a substrate, a sub-pixel disposed on the substrate and that includes a pixel electrode, a light emitting layer, and a common electrode, a pixel defining layer that defines the sub-pixel, a capping layer disposed on the pixel defining layer, a micro lens disposed on the capping layer and that overlaps the sub-pixel; and a total reflection pattern disposed on the capping layer and that overlaps the pixel defining layer and surrounds the micro lens. The micro lens has a refractive index greater than a refractive index of the total reflection pattern and less than or equal to a refractive index of the capping layer.
    Type: Application
    Filed: March 2, 2023
    Publication date: October 5, 2023
    Inventors: JU HWA HA, Soo Min Baek, Bek Hyun Lim, Sang Ho Kim, Jun Hyeong Park, Ju Youn Son, Ji Won Lee, Cheon Myeong Lee
  • Patent number: 11740461
    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: Grant
    Filed: February 18, 2020
    Date of Patent: August 29, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Bin Jung, Jae Joong Kwon, Jeong Woo Park, Ju Hwa Ha
  • Publication number: 20230200141
    Abstract: A display device includes a substrate including pixels, a pixel defining film on the substrate and defining an emission area, an emission layer in the emission area, a first refraction film on the pixel defining film and the emission layer and having a first refractive index, and a second refraction film covering the first refraction film and having a second refractive index. The second refraction film includes a convex surface convexly protruding from a reference surface and overlapping the emission area. Each of the emission area and the convex surface includes first and second edges. The edges of the convex surface are positioned outside the edges of the emission area, and a first interval between the first edges of the convex surface and the emission area is greater than a second interval between the second edges of the convex surface and the emission area.
    Type: Application
    Filed: September 14, 2022
    Publication date: June 22, 2023
    Inventors: Byeong Hee WON, Young Chan KIM, Ju Hwa HA, Jong Ho HONG
  • Patent number: 11659732
    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: June 24, 2021
    Date of Patent: May 23, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Jung Huh, Soo Min Baek, Ji Won Lee, Ju Hwa Ha
  • Publication number: 20230129724
    Abstract: A head mount display device, includes: a display panel; and an optical system positioned in front of the display panel. The display panel sequentially includes a light emitting element part, a third retarder, a reflective polarizer, and an absorptive polarizer, where the third retarder is positioned in front of the light emitting element part; and the optical system includes: a first curved lens, which is positioned to face the display panel, and includes a first retarder positioned on a first surface facing the display panel and a beam splitter positioned on a second surface thereof opposite to the first surface; and a second curved lens, which is positioned to face the beam splitter, and includes a second retarder positioned a first surface thereof facing the beam splitter and a second reflective polarizer positioned on a second surface thereof opposite to the first surface of the second curved lens.
    Type: Application
    Filed: August 11, 2022
    Publication date: April 27, 2023
    Inventors: Cheon Myeong LEE, Sang-Ho KIM, Jun Hyeong PARK, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Ju Hwa HA, Jong Ho HONG
  • Publication number: 20230081079
    Abstract: A display device includes a display part including a plurality of pixels; a lens part disposed on the display part; and a plurality of optical devices overlapping an edge of the display part in a plan view and disposed at an edge of the lens part, wherein light from the outside of the display part is incident on the plurality of optical devices.
    Type: Application
    Filed: August 2, 2022
    Publication date: March 16, 2023
    Applicant: Samsung Display Co., LTD.
    Inventors: Sang-Ho KIM, Soo Min BAEK, Ju Youn SON, Ji Won LEE, Cheon Myeong LEE, Ju Hwa HA
  • Patent number: 11586042
    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: Grant
    Filed: August 15, 2019
    Date of Patent: February 21, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Ju Hwa Ha, Jae Joong Kwon, Jeong Woo Park, Su Bin Jung, Hyun Jin Cho
  • Publication number: 20230021508
    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: October 3, 2022
    Publication date: January 26, 2023
    Inventors: Jeong Woo PARK, Jae Joong KWON, Ju Hwa HA, Hyun Jin CHO, Su Bin JUNG
  • Patent number: 11536974
    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: Grant
    Filed: July 5, 2021
    Date of Patent: December 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyun Sup Lee, Jae Joong Kwon, Ju Hwa Ha
  • Patent number: 11506896
    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: Grant
    Filed: March 11, 2020
    Date of Patent: November 22, 2022
    Assignee: Samsung Display Co., LTD.
    Inventors: Hyun Sup Lee, Jin Oh Kwag, Jae Joong Kwon, Ju Hwa Ha
  • Patent number: 11467404
    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: Grant
    Filed: June 3, 2019
    Date of Patent: October 11, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jeong Woo Park, Jae Joong Kwon, Ju Hwa Ha, Hyun Jin Cho, Su Bin Jung
  • Publication number: 20220321749
    Abstract: An optical device includes: a display device configured to display an image; a camera mounting component on the display device; a camera on the camera mounting component; and a multi-channel lens on the camera covering the camera and the camera mounting component, wherein the camera comprises an image sensor.
    Type: Application
    Filed: March 25, 2022
    Publication date: October 6, 2022
    Inventors: Ji Won LEE, Sang Ho KIM, Soo Min BAEK, Cheon Myeong LEE, Ju Hwa HA
  • Publication number: 20220252886
    Abstract: An optical apparatus includes a lens including a first surface and a plurality of side surfaces, a display device disposed on a first side surface among the plurality of side surfaces of the lens and providing light to the first side surface of the lens, an optical path control device disposed between the first side surface of the lens and the display device and selectively changing an optical path of a virtual image of the display device, and a plurality of reflecting members disposed in the lens and reflecting light of the display device to the first surface.
    Type: Application
    Filed: July 17, 2020
    Publication date: August 11, 2022
    Applicant: Samsung Display Co., LTD.
    Inventors: Su Bin JUNG, Soo Min BAEK, Ju Hwa HA, Jae Joong KWON, Yong Seok KIM, Jeong Woo PARK