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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：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：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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Patent Agency Ranking
公开(公告)号：US20220317626A1
公开(公告)日：2022-10-06
申请号：US17689409
申请日：2022-03-08
Inventor： Seokil Moon , Dongheon Yoo , Seungwoo Nam , Byoungho Lee , Changkun Lee , Hongseok Lee
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：US20220236565A1
公开(公告)日：2022-07-28
申请号：US17402064
申请日：2021-08-13
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung SUNG , Changkun Lee , Hongseok LEE
Abstract: Provided is a display apparatus including a vision correction lens. The display apparatus may include: an image forming device configured to form a virtual image; a vision correction lens configured to correct eyesight of a viewer; a combiner configured to mix the virtual image with light containing an outside landscape and having passed through the vision correction lens and provide the viewer with the virtual image and the light that are mixed with each other; and a virtual image positioner configured to adjust, according to a state of eyes of the viewer, a depth of a virtual image plane at which the virtual image is viewed, wherein the combiner may be arranged between the vision correction lens and the eyes of the viewer.
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28.发明授权公开(公告)号：US11347057B2
公开(公告)日：2022-05-31
申请号：US16283979
申请日：2019-02-25
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Bongsu Shin , Wontaek Seo , Changkun Lee
Abstract: Provided is an image display device including a first light source configured to emit a first beam of light, a second light source configured to emit a second beam of light, a spatial light modulator configured to modulate the first beam of light and the second beam of light, a holographic optical element configured to focus, on a first focal point, the first beam of light emitted from the first light source and modulated by the spatial light modulator, and to focus, on a second focal point, the second beam of light emitted from the second light source and modulated by the spatial light modulator and a processor configured to control the first and the second light sources and the spatial light modulator.
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公开(公告)号：US11187901B2
公开(公告)日：2021-11-30
申请号：US16275424
申请日：2019-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bongsu Shin , Sunil Kim , Wontaek Seo , Geeyoung Sung , Changkun Lee
IPC: G02B27/01
Abstract: A see-through type display device includes an image generation unit configured to emit image light, a light coupling unit configured to generate off-axis aberration in the image light, and a correction aberration generation unit configured to generate correction aberration, opposite to the off-axis aberration, in the image light emitted from the image generation unit, wherein the correction aberration generation unit is disposed on an optical path of the image light between the image generation unit and the light coupling unit, and wherein the light coupling unit is disposed off-axis relative to the image light.
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公开(公告)号：US10928645B2
公开(公告)日：2021-02-23
申请号：US16249434
申请日：2019-01-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Yuntae Kim , Geeyoung Sung , Changkun Lee , Hongseok Lee
Abstract: A three-dimensional (3D) image display apparatus includes a processor configured to determine, from image data of a 3D image to be displayed, a representative depth value based on a current frame of the 3D image and a previous frame of the 3D image, and an imaging optical system configured to generate the 3D image in a predetermined space by modulating light based on the representative depth value.
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