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公开(公告)号：US12025952B2
公开(公告)日：2024-07-02
申请号：US17689409
申请日：2022-03-08
Inventor： Seokil Moon , Dongheon Yoo , Seungwoo Nam , Byoungho Lee , Changkun Lee , Hongseok Lee
CPC classification number: G03H1/0808 , G03H1/0005 , G03H2001/0088 , G03H2001/0825
Abstract: Provided is a method of generating a hologram, the method including generating a kernel and a neural network configured to model an aberration of a holographic display device, obtaining second image data output from the neural network to which first image data obtained by propagating a first hologram based on the kernel is input, updating the kernel and the neural network based on comparing the second image data and predetermined image data, and generating a second hologram based on the kernel and the neural network.
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公开(公告)号：US11921288B2
公开(公告)日：2024-03-05
申请号：US17327281
申请日：2021-05-21
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek Seo , Hongseok Lee , Sunil Kim , Seokil Moon , Bongsu Shin , Daeho Yang , Changkun Lee
CPC classification number: G02B27/0101 , G02B26/0833 , G02B27/0093 , G02B27/30 , G02B2027/014
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.
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公开(公告)号：US11892633B2
公开(公告)日：2024-02-06
申请号：US17131131
申请日：2020-12-22
Inventor： Changkun Lee , Byoungho Lee , Jinsoo Jeong , Seokil Moon , Geeyoung Sung , Hongseok Lee
CPC classification number: G02B27/0172 , G02B27/0179 , G02B27/44 , G02B26/0858 , G02B2027/0178 , G02B2027/0187
Abstract: A display apparatus including a volume grating-based combiner is disclosed. The display apparatus includes: an image providing device; and a combiner, wherein the combiner includes a plurality of volume gratings configured to diffract light containing an image, which is emitted from the image providing device, each volume grating has a first surface and a second surface facing each other, and each volume grating is further configured to diffract light incident on the first surface and transmit therethrough light incident on the second surface without diffraction.
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公开(公告)号：US11874465B2
公开(公告)日：2024-01-16
申请号：US17095451
申请日：2020-11-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jangwoo You , Wontaek Seo , Daeho Yang , Changkun Lee , Hongseok Lee
CPC classification number: G02B27/0103 , B60K35/00 , G02B3/00 , G02B5/10 , G02B5/3083 , G02B27/0093 , G02B27/283 , B60K2370/1529 , B60K2370/21 , B60K2370/29 , B60K2370/31 , B60K2370/332 , B60K2370/333 , B60K2370/347 , B60K2370/785 , G02B2003/0093 , G02B2027/014
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.
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公开(公告)号：US11774752B2
公开(公告)日：2023-10-03
申请号：US17107290
申请日：2020-11-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Hoon Song , Hongseok Lee , Young Kim , Jungkwuen An , Kanghee Won , Chilsung Choi
CPC classification number: G02B27/0068 , G03H1/2286 , G03H2001/221 , G03H2001/2234 , G03H2222/18
Abstract: A holographic display device includes a light source configured to emit light, the light including first light of a first wavelength, second light of a second wavelength, and third light of a third wavelength; a spatial light modulator configured to form a holographic pattern to modulate the light emitted from the light source and to produce a holographic image; and a focusing optical system configured to focus the holographic image. The focusing optical system includes a fixed-focus optical system having a fixed focal length, and a variable focus optical system having a focal length that is changed by electrical control. The fixed-focus optical system is configured to focus the first light of the first wavelength, the second light of the second wavelength, and the third light of the third wavelength on different positions, respectively, on an optical axis to cancel a chromatic aberration by the variable focus optical system.
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Patent Agency Ranking
公开(公告)号：US11768380B2
公开(公告)日：2023-09-26
申请号：US17411940
申请日：2021-08-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek Seo , Geeyoung Sung , Sunil Kim , Bongsu Shin , Changkun Lee , Hongseok Lee
CPC classification number: G02B27/0172 , G02B27/0093 , G02B2027/0174 , G02B2027/0178
Abstract: A three-dimensional (3D) image display apparatus is provided. The apparatus includes a plurality of light sources; a spatial light modulator configured to modulate light from the plurality of light sources according to 3D image information; and a focusing optical system configured to focus an image formed by the spatial light modulator onto a focal plane. The plurality of light sources may be arranged such that multiple focal points, respectively corresponding to the plurality of light sources, are formed on the focal plane near a pupil of a user.
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公开(公告)号：US11763433B2
公开(公告)日：2023-09-19
申请号：US17094932
申请日：2020-11-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Zhihua Liu , Yamin Mao , Tianhao Gao , Hongseok Lee , Myungjae Jeon , Qiang Wang , Yuntae Kim
CPC classification number: G06T5/50 , G06F18/22 , G06N3/045 , G06N3/084 , G06T7/593 , G06T7/97 , G06T2207/10012 , G06T2207/10028 , G06T2207/20024 , G06T2207/20081 , G06T2207/20084 , G06T2207/20221
Abstract: A depth image generation method includes obtaining a first depth image, based on a binocular image, obtaining a second depth image, using a depth camera, and obtaining a final depth image by performing image fusion on the obtained first depth image and the obtained second depth image.
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公开(公告)号：US11721084B2
公开(公告)日：2023-08-08
申请号：US17570712
申请日：2022-01-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Namseop Kwon , Myungjae Jeon , Hongseok Lee
CPC classification number: G06V10/7515 , G02B27/017 , G02B27/0179 , G06T5/50 , G06T7/55 , G02B2027/0178 , G02B2027/0187
Abstract: An electronic device includes a communication interface and a processor, wherein the processor receives a first image predistorted and rendered at a first time, from an external device through the communication interface, calculates a pixel shift for each pixel of the received first image at a second time that is different from the first time, generates a second image by reprojecting the first image based on the calculated pixel shift, and transmits the generated second image to the external device through the communication interface.
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49.发明授权公开(公告)号：US11635633B2
公开(公告)日：2023-04-25
申请号：US17036837
申请日：2020-09-29
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Soonbum Kwon , Byonggwon Song , Jungkwuen An , Kanghee Won , Hongseok Lee , Jong-Young Hong
IPC: G02B30/25 , G02F1/13 , G02F1/1335
Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is π and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become π/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.
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公开(公告)号：US11561399B2
公开(公告)日：2023-01-24
申请号：US16919987
申请日：2020-07-02
Applicant: SAMSUNG ELECTRONICS CO., LTD. , IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)
Inventor： Young Kim , Hongseok Lee , Seokho Song , Jungkwuen An , Kanghee Won , Changkun Lee
Abstract: Provided are a Fourier-beam shaper and a display apparatus including the Fourier-beam shaper. The Fourier-beam shaper includes: a waveguide; an input coupler configured to direct a plurality of light beams toward the waveguide in a time-sequential manner; and a spatial converter configured to output the plurality of light beams traveling in the waveguide through spatially different regions of the spatial converter.
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