公开(公告)号：US20240089420A1

公开(公告)日：2024-03-14

申请号：US18358532

申请日：2023-07-25

申请人： SAMSUNG DISPLAY CO., LTD. ,  UNIVERSITY-INDUSTRY COOPERATION GROUP OF KYUNG HEE UNIVERSITY

发明人： Ha Young LEE ,  Sung Wook MIN ,  Young Rok KIM ,  Jae Joong KWON ,  Jin SEO

IPC分类号： H04N13/106 ,  G03H1/10

CPC分类号： H04N13/106 ,  G03H1/10 ,  H04N2013/0081

摘要： A system for measuring a depth of a stereoscopic image includes a display device displaying a stereoscopic image at a predetermined depth of field; a holographic camera generating an interference pattern image by sensing a wavelength and a phase of light of the stereoscopic image; and a control unit calculating a plurality of modulated image data having image information of the stereoscopic image at each depth of the plurality of depths based on the wavelength and the phase of the light, calculating edges of a field in each of the plurality of modulated image data to obtain edge detection values, calculating a modulated signal by arranging the edge detection values according to a depth in the each of the plurality of modulated image data, calculating a first maximum value of the modulated signal, and calculating a first depth corresponding to the first maximum value as the depth of field.

公开(公告)号：US20230185237A1

公开(公告)日：2023-06-15

申请号：US17990258

申请日：2022-11-18

申请人： Light Field Lab, Inc.

发明人： Chih-Hsiang Yang ,  Jonathan Sean Karafin ,  Brendan Elwood Bevensee

IPC分类号： G03H1/10 ,  G03H1/04 ,  G03H1/22

CPC分类号： G03H1/10 ,  G03H1/0443 ,  G03H1/2294 ,  G03H2225/13

摘要： A holographic energy system is operable to generate an output wavefront according to a complex amplitude function. The holographic energy system includes a continuous three-dimensional energy medium, an array of energy devices configured to output energy to interact with the continuous three-dimensional energy medium to define a hologram therein, and an electromagnetic (EM) energy source positioned to output coherent EM energy that is incident on the hologram in the continuous three-dimensional energy medium to generate an output wavefront.

公开(公告)号：US10768424B2

公开(公告)日：2020-09-08

申请号：US15861525

申请日：2018-01-03

申请人： Samsung Display Co., Ltd.

发明人： Hye Sog Lee ,  Byung Choon Yang ,  Jae Ho You

IPC分类号： G02B27/01 ,  G02B27/09 ,  G03H1/10 ,  G03H1/22

摘要： A holographic head-up display device has a light source portion that emits coherent light; an optical modulation portion that modulates the coherent light; a relay optical system that focuses the modulated light; a filter minor that has a reflection area at a focal position of the relay optical system and reflecting light incident through the relay optical system and an absorption area at the periphery of the reflection area and absorbing light incident through the relay optical system; and a transflective mirror that partially transmits and partially reflects light reflected by the filter minor.

公开(公告)号：US10649405B2

公开(公告)日：2020-05-12

申请号：US15843881

申请日：2017-12-15

申请人： OLYMPUS CORPORATION

发明人： Satoshi Watanabe

IPC分类号： G03H1/10 ,  G03H1/04 ,  G03H1/00 ,  G01N21/45

摘要： Provided is a digital holographic imaging apparatus, comprising: an illumination portion (10) having an illumination light emission surface (32i) for emitting coherent light of a specific wavelength as illumination light toward an object (1) side relative to the illumination light emission surface (32i), and a reference light emission surface (32r) for emitting the coherent light, as reference light, in a direction opposite to the illumination light; and an image sensor (50) located on the reference light emission surface (32r) side of the illumination portion (10) and imaging an interference pattern between object light having been modulated by the object (1) and passed through the illumination portion (10) and the reference light of the illumination light, the image sensor (50) having a pixel array (51) comprising two-dimensionally aligned pixels.

公开(公告)号：US20190041796A1

公开(公告)日：2019-02-07

申请号：US15666668

申请日：2017-08-02

申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION

发明人： Folkert Horst

IPC分类号： G03H1/02 ,  G03H1/04 ,  G02F1/01 ,  G03H1/00 ,  G03H1/10 ,  G11C13/04 ,  G06N3/063

摘要： An integrated optical circuit for holographic information processing is disclosed. The optical circuit comprises a photorefractive medium and two transmitter arrays. The transmitter arrays are adapted for locally changing the refractive index of the photorefractive medium for holographic encoding of the information in a working plane of the photorefractive medium by transmitting light via optical paths into the photorefractive medium such that an interference pattern is generated in the working plane. The optical paths and the working plane are arranged in a single optical plane.

公开(公告)号：US20190011706A1

公开(公告)日：2019-01-10

申请号：US15861525

申请日：2018-01-03

申请人： Samsung Display Co., Ltd.

发明人： Hye Sog LEE ,  Byung Choon YANG ,  Jae Ho YOU

IPC分类号： G02B27/01 ,  G02B27/09 ,  G03H1/10

CPC分类号： G02B27/0172 ,  G02B27/0101 ,  G02B27/0916 ,  G02B27/0977 ,  G02B2027/0174 ,  G03H1/10 ,  G03H1/2205 ,  G03H1/2294 ,  G03H2001/2207 ,  G03H2001/221 ,  G03H2001/2284 ,  G03H2223/54 ,  G03H2223/55

摘要： A holographic head-up display device includes: a light source portion that emits coherent light; an optical modulation portion that modulates the coherent light; a relay optical system that focuses the modulated light; a filter mirror that includes a reflection area disposed at a focal position of the relay optical system and reflecting light incident through the relay optical system and an absorption area disposed at the periphery of the reflection area and absorbing light incident through the relay optical system; and a transflective mirror that partially transmits and partially reflects light reflected by the filter mirror.

公开(公告)号：US09836023B2

公开(公告)日：2017-12-05

申请号：US14281004

申请日：2014-05-19

申请人： SAMSUNG ELECTRONICS CO., LTD.

发明人： Dong Kyung Nam ,  Ho Cheon Wey ,  Seok Lee

IPC分类号： G03H1/10 ,  G03H1/22 ,  G03H1/02

CPC分类号： G03H1/2286 ,  G03H1/02 ,  G03H1/2294 ,  G03H2001/0212 ,  G03H2001/0216 ,  G03H2001/0224 ,  G03H2001/2239 ,  G03H2222/34 ,  G03H2223/19 ,  G03H2225/55

摘要： A method and apparatus for generating coherent light, and a display apparatus using coherent light are provided. A wide-angle coherent light generation apparatus may focus parallel light onto a focal point, and may generate coherent light at a wide angle, using an optical device.

公开(公告)号：US09785114B2

公开(公告)日：2017-10-10

申请号：US14124377

申请日：2012-06-06

申请人： Gerald Fuetterer

发明人： Gerald Fuetterer

IPC分类号： G03H1/02 ,  G03H1/10 ,  G03H1/12 ,  G02B5/18 ,  G02B27/42 ,  G03H1/04 ,  G03H1/26 ,  B29D11/00 ,  G02B5/32 ,  G02F1/1334 ,  G03H1/00 ,  G03H1/06 ,  G03H1/20 ,  G03H1/22 ,  G03H1/28

CPC分类号： G03H1/0248 ,  B29D11/00769 ,  G02B5/1857 ,  G02B5/32 ,  G02B27/4233 ,  G02F1/13342 ,  G03H1/0011 ,  G03H1/0402 ,  G03H1/0465 ,  G03H1/0486 ,  G03H1/06 ,  G03H1/20 ,  G03H1/2294 ,  G03H1/2645 ,  G03H1/265 ,  G03H1/28 ,  G03H2001/0033 ,  G03H2001/005 ,  G03H2001/0439 ,  G03H2001/0467 ,  G03H2001/2615 ,  G03H2001/264 ,  G03H2001/266 ,  G03H2222/22 ,  G03H2222/23 ,  G03H2222/24 ,  G03H2222/35 ,  G03H2222/42 ,  G03H2223/23

摘要： The layered generation of at least one volume grating in a recording medium by way of exposure, the recording medium having at least one photosensitive layer which is sensitized for a presettable wavelength of the exposure light. Each volume grating is generated in the recording medium by at least two wave fronts of coherent light capable of generating interference, the wave fronts being superposed in the recording medium at a presettable depth, at a presettable angle and with a presettable interference contrast. The depth and the thickness of the refractive index modulation and/or transparency modulation of a volume grating in the recording medium is controlled by depth-specific control of the spatial and/or temporal degree of coherence of the interfering wave fronts in the direction of light propagation.

公开(公告)号：US09715426B2

公开(公告)日：2017-07-25

申请号：US13362127

申请日：2012-01-31

申请人： Kevin R. Curtis ,  Ken E. Anderson ,  Friso Schlottau ,  Tatsuro Ide ,  Ken'ichi Shimada ,  Takeshi Shimano ,  Harukazu Miyamoto

发明人： Kevin R. Curtis ,  Ken E. Anderson ,  Friso Schlottau ,  Tatsuro Ide ,  Ken'ichi Shimada ,  Takeshi Shimano ,  Harukazu Miyamoto

IPC分类号： G03H1/10 ,  G06F11/10 ,  G03H1/26 ,  G11B7/0065 ,  G06F9/455 ,  G11B7/007

CPC分类号： G06F11/1004 ,  G03H1/265 ,  G03H2223/17 ,  G06F9/45533 ,  G11B7/0065 ,  G11B7/00736

摘要： A monocular holographic storage device or system to provide for compact recording and/or reading of data pages in a holographic storage medium. Also provided are methods for carrying out such data storage and/or data recovery using a monocular holographic storage device or system. Further provided are articles including holographic storage media for recording or for reading recorded data using such devices or systems.

公开(公告)号：US09653108B2

公开(公告)日：2017-05-16

申请号：US14428154

申请日：2012-09-14

申请人： Manabu Shiozawa ,  Koichi Watanabe ,  Takao Watanabe

发明人： Manabu Shiozawa ,  Koichi Watanabe ,  Takao Watanabe

IPC分类号： G03H1/10 ,  G03H1/02 ,  G11B7/1267 ,  G11B7/00

CPC分类号： G11B7/1267 ,  G11B2007/0013

摘要： When recording is performed by focusing a short pulse laser on an inside of a transparent medium such as quartz glass, and forming a minute deformed region in which the refractive index is different from that of surroundings thereof, it is difficult to ensure a recording quality. Therefore, a recorded dot length in a depth direction is monitored 111 and a power of the laser light is adjusted based on the monitored recorded dot length, or a difference between a focus position where a region of the recorded dots appears brighter than the surroundings and a focus position where the region of the recorded dots appears darker than the surroundings is measured and the power of the laser light is adjusted based on the difference.