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公开(公告)号：US20240061247A1
公开(公告)日：2024-02-22
申请号：US18213610
申请日：2023-06-23
Applicant: SAMSUNG ELECTRONICS CO, LTD.
Inventor： Seokil MOON , Changkun LEE , Jongyoung HONG
IPC: G02B27/01
CPC classification number: G02B27/0172 , G02B2027/0178
Abstract: A display device includes a display element configured to output light to display an image, a waveguide including a first surface to which the light is incident and a second surface opposite the first surface, an input coupler provided in the waveguide to input the light into the waveguide, a telecentric assembly configured to cause incident angles of light beams incident to the input coupler to be the same as each other, and an output coupler configured to output light propagating in the waveguide to outside of the waveguide.
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公开(公告)号：US20230400683A1
公开(公告)日：2023-12-14
申请号：US18117122
申请日：2023-03-03
Inventor： Seokil MOON , Minseok CHAE , Changkun LEE , Dongheon YOO , Byoungho LEE
CPC classification number: G02B27/0081 , G02B5/32 , G03H1/2645 , G03B21/2066 , H04N9/3155 , H04N9/3173 , H04N9/312 , H04N9/3179 , G03H2260/12
Abstract: A retinal projection display device is provided. The retinal projection display device includes a light source configured to emit light, a spatial light modulator configured to generate diffracted light by diffracting the emitted light, a holographic optical element configured to reflect the diffracted light by duplicating the diffracted light into a plurality of complex wavefronts, and a field lens configured to focus the plurality of complex wavefronts to a plurality of respective focal points in an eye-box, wherein the plurality of complex wavefronts overlap each other.
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公开(公告)号：US20190079218A1
公开(公告)日：2019-03-14
申请号：US16122012
申请日：2018-09-05
Inventor： Young-yoon LEE , Jonghyun KIM , Byoungho LEE , Jong-Young HONG , Seokil MOON , Chanhyung YOO
CPC classification number: G02B5/0205 , G02B3/005 , G02B5/0215 , G02B5/3083 , G02B27/01 , G02B27/286
Abstract: A transparent panel is provided. The transparent panel includes a polarization plate, a transparent diffusion plate which is disposed on one side of the polarization plate and is configured to transmit light incident from a side of the polarization plate and to reflect and diffuse a light incident from an opposite side of the polarization plate, a ¼ wavelength plate which is disposed on one side of the transparent diffusion plate and is configured to convert a polarization direction of an incident light, and a lens part which is disposed on one side of the ¼ wavelength plate. The lens part includes a lens array comprising a birefringent material having different refractive indexes according to a polarization direction of an incident light, and a refractive index alignment member configured to transmit or refract the light according to a polarization direction of a light that penetrates the lens array.
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4.发明申请公开(公告)号：US20220342366A1
公开(公告)日：2022-10-27
申请号：US17518804
申请日：2021-11-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Changkun LEE , Geeyoung SUNG
Abstract: A holographic display apparatus including a freeform curved surface and an operating method of the holographic display apparatus are provided. The holographic display apparatus includes: an image generator configured to generate a hologram image by modulating light; an optical system including a freeform curved surface for forming the hologram image generated by the image generator in a predetermined depth; and a processor configured to generate a computer-generated hologram (CGH) based on three-dimensional image information by using a phase map including information about an optical aberration with respect to the freeform curved surface and to control the image generator to modulate the light based on the CGH.
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公开(公告)号：US20220171189A1
公开(公告)日：2022-06-02
申请号：US17338970
申请日：2021-06-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Changkun Lee , Geeyoung Sung , Hongseok Lee
Abstract: A holographic lens and a display apparatus using the same as a combiner, the holographic lens including a phase profile obtained through an optimization process for each position to form an imaging optical system for forming a virtual image of lights emitted from a plurality of areas.
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Patent Agency Ranking
公开(公告)号：US20220171186A1
公开(公告)日：2022-06-02
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
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：US20250008079A1
公开(公告)日：2025-01-02
申请号：US18764843
申请日：2024-07-05
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Bongsu SHIN , Hoon SONG , Changkun LEE
IPC: H04N13/359 , B82Y20/00 , G02B1/00 , G02B27/00 , H04N13/305 , H04N13/337 , H04N13/398
Abstract: A display module includes: a light emitter configured to emit light corresponding to image data through a plurality of pixels; a polarization adjuster configured to, based on a request to provide an image in three dimensions or two dimensions, adjust a polarization of light incident from the light emitter to a first polarization or a second polarization different from the first polarization; a geometric phase lens configured to operate as a convex lens or a concave lens based on the polarization of light incident from the polarization adjuster; and a lenticular lens configured to output light incident from the geometric phase lens in a preset direction.
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公开(公告)号：US20220343815A1
公开(公告)日：2022-10-27
申请号：US17512245
申请日：2021-10-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Changkun LEE , Geeyoung SUNG
Abstract: Provided is a display apparatus including an image generator configured to time-sequentially generate a plurality of images by modulating light, and an optical system including a freeform surface that is configured to time-sequentially form a plurality of virtual images respectively corresponding to the plurality of images at different depths from a user's eye, wherein each error value among error values between the plurality of images and the plurality of virtual images respectively corresponding to the plurality of images on the freeform surface is less than or equal to a profile value of the freeform surface.
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公开(公告)号：US20220171209A1
公开(公告)日：2022-06-02
申请号：US17241774
申请日：2021-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil MOON , Sangeun MUN , Sunil KIM , Wontaek SEO , Geeyoung SUNG , Bongsu SHIN , Daeho YANG , Hongseok LEE , Seunghoon HAN
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.
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公开(公告)号：US20200264441A1
公开(公告)日：2020-08-20
申请号：US16683643
申请日：2019-11-14
Inventor： Changkun LEE , Seokil MOON , Byoungho LEE , Sunil KIM , Bongsu SHIN , Hongseok LEE
Abstract: Provided is a multi-image display apparatus including a light source configured to emit a first wavelength light, a second wavelength light, and a third wavelength light, a spatial light modulator configured to modulate the first wavelength light, the second wavelength light, and the third wavelength light to form a first image including a first color holographic image, a second color holographic image, and a third color holographic image, a polarization selective lens configured to focus the first image having only a first polarization component and transmit a second image having only a second polarization component without refraction, the second image being provided to the polarization selective lens along a different path from the first image, wherein chromatic aberration of the polarization selective lens is offset by adjusting a depth of the first color holographic image, the second color holographic image, and the third color holographic image.
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