Patents by Inventor Daeho YANG

Daeho YANG 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: 20240027961
    Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.
    Type: Application
    Filed: September 28, 2023
    Publication date: January 25, 2024
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeho YANG, Sunil Kim, Wontaek Seo, Geeyoung Sung, Bongsu Shin, Jungkwuen An, Jangwoo You, Changkun Lee, Jong-Young Hong
  • Patent number: 11874465
    Abstract: A head-up display system includes an image generating apparatus configured to emit light having a first polarization and including image information; a polarization beam splitter provided on an optical path of the light having the first polarization and configured to transmit the light having the first polarization; a wave plate configured to transmit the light transmitted through the polarization beam splitter while changing a phase of the light; and a mirror configured to reflect the light sequentially transmitted through the polarization beam splitter and the wave plate back to the polarization beam splitter through the wave plate. The polarization beam splitter may reflect light having a second polarization that is different from the first polarization and obtained by transmitting the light reflected by the mirror back through the wave plate.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: January 16, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jangwoo You, Wontaek Seo, Daeho Yang, Changkun Lee, Hongseok Lee
  • Publication number: 20240001665
    Abstract: A peeling device includes a peeling tank for containing a first solution therein, a support portion on which a stack structure including a base layer extending in a first direction and a film coupled with the base layer is disposed, the support portion being disposed in the peeling tank and an adsorption device for adsorbing the base layer thereon to peel off the base layer from the film, the adsorption device including an adsorption portion for adsorbing the base layer, and a moving portion coupled with the adsorption portion for moving the adsorption portion to allow the base layer to be bent to a second direction crossing the first direction and to be peeled off from the film.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventors: DAEHO YANG, SUNKWAN KIM, JONGDAE KIM, SUNGHOON LEE, ILSOO JANG
  • Patent number: 11852840
    Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.
    Type: Grant
    Filed: April 27, 2021
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokil Moon, Sangeun Mun, Sunil Kim, Wontaek Seo, Geeyoung Sung, Bongsu Shin, Daeho Yang, Hongseok Lee, Seunghoon Han
  • Patent number: 11837310
    Abstract: The present disclosure relates to a memory device for correcting a pulse duty ratio and a memory system including the same, and relates to a memory device which corrects the duty ratio of a primary pulse of a memory device control signal, and a memory system including the same.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: December 5, 2023
    Assignee: SK hynix Inc.
    Inventors: Jaehyeong Hong, In Seok Kong, Gwan Woo Kim, Jae Young Park, Kwan Su Shon, Soon Sung An, Daeho Yang, Sung Hwa Ok, Junseo Jang, Yo Han Jeong, Eun Ji Choi
  • Patent number: 11803155
    Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: October 31, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeho Yang, Sunil Kim, Wontaek Seo, Geeyoung Sung, Bongsu Shin, Jungkwuen An, Jangwoo You, Changkun Lee, Jong-Young Hong
  • Patent number: 11760080
    Abstract: A peeling device includes a peeling tank for containing a first solution therein, a support portion on which a stack structure including a base layer extending in a first direction and a film coupled with the base layer is disposed, the support portion being disposed in the peeling tank and an adsorption device for adsorbing the base layer thereon to peel off the base layer from the film, the adsorption device including an adsorption portion for adsorbing the base layer, and a moving portion coupled with the adsorption portion for moving the adsorption portion to allow the base layer to be bent to a second direction crossing the first direction and to be peeled off from the film.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: September 19, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Daeho Yang, Sunkwan Kim, Jongdae Kim, Sunghoon Lee, Ilsoo Jang
  • Patent number: 11740587
    Abstract: Provided is a method of generating a computer-generated hologram (CGH), the method including obtaining complex data including amplitude data of object data and phase data of the object data corresponding to a spatial light modulator (SLM) plane by propagating the object data from an image plane to the SLM plane, encoding the complex data into encoded amplitude data, and generating a CGH based on the object data including the encoded amplitude data.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: August 29, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daeho Yang, Myungjae Jeon, Jong-Young Hong, Hongseok Lee
  • Patent number: 11733651
    Abstract: A holographic display apparatus and a holographic display method are provided. The holographic display apparatus determines a representative depth from 3D image data; calculates a computer generated hologram (CGH) corresponding to the representative depth on the 3D image data; obtains the modulated CGH by modulating a phase of the CGH to increase an eye box; modulates a light according to the modulated CGH and generates a hologram image; and forms the generated hologram image at the representative depth.
    Type: Grant
    Filed: February 10, 2021
    Date of Patent: August 22, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Geeyoung Sung, Daeho Yang, Hongseok Lee
  • Publication number: 20230236544
    Abstract: A method of modulating a depth of a hologram, the method includes: obtaining hologram data; determining a scale factor based on a hardware specification of a holographic display to display a three-dimensional (3D) hologram image in a space by using the hologram data; and modulating depth information of the hologram data based on the scale factor.
    Type: Application
    Filed: August 10, 2022
    Publication date: July 27, 2023
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyeonseung YU, Daeho YANG, Hongseok LEE, Wontaek SEO
  • Publication number: 20230236545
    Abstract: Provided is a holographic image processing apparatus including a memory configured to store at least one instruction, and a processor configured to execute the at least one instruction stored in the memory to generate a corrected holographic image by correcting an original holographic image captured by a holographic camera based on a neural network configured to learn hologram correction in advance.
    Type: Application
    Filed: August 10, 2022
    Publication date: July 27, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY
    Inventors: Hyeonseung YU, Sung-Wook MIN, Youngrok KIM, Wontaek SEO, Daeho YANG, Hongseok LEE
  • Publication number: 20230134565
    Abstract: A display apparatus may include: an image generator configured to generate an image by using light; a holographic optical element configured such that when a single image is incident as reference light on the holographic optical element, the holographic optical element focuses a plurality of images corresponding to the single image on spatially different points as signal light; and an image deflector configured to deflect the image received from the image generator to the holographic optical element in a given direction.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 4, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Wontaek Seo, Daeho Yang, Sunil Kim, Bongsu Shin, Geeyoung Sung
  • Publication number: 20230103120
    Abstract: A see-through display device includes an image generator configured to emit image light, a combiner which is arranged off-axis with respect to the image light and is configured to generate an off-axis aberration with respect to the image light, and a free-form optical element which is disposed on an optical path of the image light between the image generator and the combiner and is configured to generate a correction aberration with respect to the image light, the correction aberration being opposite to the off-axis aberration.
    Type: Application
    Filed: March 23, 2022
    Publication date: March 30, 2023
    Applicants: SAMSUNG ELECTRONICS CO., LTD., MYONGJI UNIVERSITY INDUSTRY AND ACADEMIA COOPERATION
    Inventors: Wontaek SEO, Woojun HAN, Daeho YANG, Jaisoon KIM, Seunga LIM
  • Patent number: 11613099
    Abstract: A glass stack structure includes: a carrier plate having a width in a first direction and a length in a second direction; a stack glass on the carrier plate and including mother glasses sequentially stacked therein; adhesive lines including a high viscous material and arranged at peripheral portions of the carrier plate and the mother glasses to adhere the carrier plate to the mother glasses, and the adhesive lines includes wave lines extending in the second direction and spaced apart from each other in the first direction and linear lines extending in the first direction and spaced apart from each other in the second direction; and an adhesive layer including a low viscous material and covering a cell area of the carrier plate and the mother glasses to adhere the carrier plate to the mother glasses, where the cell area is defined by the wave lines and the linear lines.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: March 28, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seungjun Lee, Sung-Shin Kwak, Sunkwan Kim, Daeho Yang, Jun Hwan Choi
  • Publication number: 20230056686
    Abstract: The present disclosure relates to a memory device for correcting a pulse duty ratio and a memory system including the same, and relates to a memory device which corrects the duty ratio of a primary pulse of a memory device control signal, and a memory system including the same.
    Type: Application
    Filed: January 5, 2022
    Publication date: February 23, 2023
    Inventors: Jaehyeong HONG, In Seok KONG, Gwan Woo KIM, Jae Young PARK, Kwan Su SHON, Soon Sung AN, Daeho YANG, Sung Hwa OK, Junseo JANG, Yo Han JEONG, Eun Ji CHOI
  • Publication number: 20220357703
    Abstract: A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.
    Type: Application
    Filed: November 1, 2021
    Publication date: November 10, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Daeho Yang, Hongseok Lee, Wontaek Seo, Jungkwuen An, Jong-Young Hong
  • Patent number: 11442277
    Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to modulate the light emitted by the light source and generate image light, a first optical system configured to deliver the image light through a first light path and a second light path that is not parallel with the first light path, and a second optical system configured to deliver external light and the image light delivered through the second light path to a pupil of a viewer, through a third light path that is not parallel with the second light path, wherein the second optical system includes a steering optical device provided at a crossing point of the second light path and the third light path and configured to be two-axis rotated.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wontaek Seo, Bongsu Shin, Daeho Yang, Changkun Lee, Sunil Kim, Geeyoung Sung
  • Publication number: 20220212459
    Abstract: A peeling device includes a peeling tank for containing a first solution therein, a support portion on which a stack structure including a base layer extending in a first direction and a film coupled with the base layer is disposed, the support portion being disposed in the peeling tank and an adsorption device for adsorbing the base layer thereon to peel off the base layer from the film, the adsorption device including an adsorption portion for adsorbing the base layer, and a moving portion coupled with the adsorption portion for moving the adsorption portion to allow the base layer to be bent to a second direction crossing the first direction and to be peeled off from the film.
    Type: Application
    Filed: August 26, 2021
    Publication date: July 7, 2022
    Inventors: DAEHO YANG, SUNKWAN KIM, JONGDAE KIM, SUNGHOON LEE, ILSOO JANG
  • Publication number: 20220171186
    Abstract: A display device includes a light source array including a plurality of light sources where at least one of the plurality of light sources is selectively driven, a spatial light modulator for modulating light from the light source array to form image light, a focusing optical system for focusing the image light formed by the spatial light modulator at a position in a predetermined eye box, a micro mirror array arranged in an optical path formed in the focusing optical system and including a plurality of mirror cells. The plurality of mirror cells are controlled to be in an ON state in that light is reflected in a direction toward an inside of the eye box or to be in an OFF state in that light is reflected in a direction toward an outside of the eye box.
    Type: Application
    Filed: May 21, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wontaek SEO, Hongseok LEE, Sunil KIM, Seokil MOON, Bongsu SHIN, Daeho YANG, Changkun LEE
  • Publication number: 20220171209
    Abstract: A display device including a meta surface is provided. The display device includes an image provider comprising a spatial light modulator configured to modulate light according to image information, wherein the image provider is configured to provide the light comprising the image information; an optical element configured to focus the light from the image provider; and a meta surface deflector positioned between the image provider and the optical element to deflect the light, and change a deflection direction of the light according to a polarization of the light so that a first position of the light of a first polarization focused by the optical element is different than a second position of the light of a second polarization orthogonal to the first polarization focused by the optical element.
    Type: Application
    Filed: April 27, 2021
    Publication date: June 2, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seokil MOON, Sangeun MUN, Sunil KIM, Wontaek SEO, Geeyoung SUNG, Bongsu SHIN, Daeho YANG, Hongseok LEE, Seunghoon HAN