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公开(公告)号：US20220187599A1
公开(公告)日：2022-06-16
申请号：US17370667
申请日：2021-07-08
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun LEE , Seokil Moon , Geeyoung Sung , Bongsu Shin , Hongseok Lee
Abstract: A waveguide type display apparatus is provided. This waveguide type display apparatus includes a waveguide through which an image proceeds and a leakage image reducer configured to reduce emission of a leakage image leaked from the waveguide without total internal reflection in the waveguide, from among images, to the outside by a volume grating.
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公开(公告)号：US20220179214A1
公开(公告)日：2022-06-09
申请号：US17526764
申请日：2021-11-15
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun Lee , Seokil Moon , Geeyoung Sung , Hongseok Lee , Jong-Young Hong
Abstract: A foveated display apparatus includes a first display panel configured to form a two-dimensional (2D) image; a second display panel configured to form a hologram image comprising a three-dimensional (3D) image; a light guide plate configured to transmit the 2D image at a first angle of view to an eye of a user; and a holographic optical element configured to transmit the hologram image at a second angle of view to the eye of the user, the second angle of view being smaller than the first angle of view.
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公开(公告)号：US20220082832A1
公开(公告)日：2022-03-17
申请号：US17190080
申请日：2021-03-02
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bongsu SHIN , Geeyoung Sung , Sunil Kim , Seokil Moon , Wontaek Seo , Daeho Yang , Changkun Lee , Hongseok Lee
IPC: G02B27/01
Abstract: An image display device includes a main light source configured to emit a first light; a display panel configured to modulate the first light to add image information to the first light; a holographic optical element (HOE) configured to diffract the first light emitted from the display panel to make the first light travel to a first region to generate a main image; a first optical system provided on a traveling path of the first light between the main light source and the HOE, the first optical system being configured to change the traveling path of the first light to be incident on the HOE along a first path; an auxiliary light source configured to emit a second light; and a second optical system provided on a traveling path of the second light, the second optical system being configured to change a traveling path of the second light to be incident on the HOE along a second path different from the first path.
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公开(公告)号：US11150485B2
公开(公告)日：2021-10-19
申请号：US16591152
申请日：2019-10-02
Inventor： Changkun Lee , Seokil Moon , Byoungho Lee , Wontaek Seo , Geeyoung Sung , Hongseok Lee
Abstract: Provided is a multi-image display apparatus including an image forming device configured to form a first image, a first polarization plate configured to transmit a first polarization component of the first image provided from the image forming device, a second polarization plate configured to transmit a second polarization component of a second image that is provided from a path different from the first image, the second polarization component being different from the first polarization component, a screen configured to reflect and diffuse the first image, and transmit the second image, and a polarization selective lens configured to focus the first image having the first polarization component, and transmit the second image having the second polarization component without refraction.
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公开(公告)号：US11947114B2
公开(公告)日：2024-04-02
申请号：US17338970
申请日：2021-06-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil Moon , Changkun Lee , Geeyoung Sung , Hongseok Lee
CPC classification number: G02B27/0172 , G02B5/32 , G02B2027/0174 , G02B2027/0178
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：US11852840B2
公开(公告)日：2023-12-26
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
CPC classification number: G02B27/286 , G02B27/0093 , G02B27/0172 , G02B26/0816 , G02B2027/0174 , G02B2027/0178
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：US11682325B2
公开(公告)日：2023-06-20
申请号：US17512245
申请日：2021-10-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil Moon , Changkun Lee , Geeyoung Sung
CPC classification number: G09G3/003 , G02B27/0103 , G02B27/017 , G02B27/0172 , G02B2027/014 , G02B2027/0134 , G02B2027/0185 , G09G2340/0464 , G09G2354/00 , G09G2380/10
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：US20210263318A1
公开(公告)日：2021-08-26
申请号：US17039000
申请日：2020-09-30
Inventor： Changkun Lee , Seokil Moon , Byoungho Lee , Geeyoung Sung , Hongseok Lee
Abstract: An optical apparatus and a near-eye display apparatus including the same are provided. The optical apparatus includes a display panel configured to form an image, a first polarization rotator configured to electrically control a light emitted from the display panel to have a first polarization state, a first ¼ wave plate configured to convert the first polarization state of a light transmitted from the first polarization rotator to a second polarization state, and an optical element group configured to display a first image having a first viewing angle and a second image having a second viewing angle that is greater than the first viewing angle based on the second polarization state of a light transmitted from the first ¼ wave plate.
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公开(公告)号：US20210048677A1
公开(公告)日：2021-02-18
申请号：US17089038
申请日：2020-11-04
Inventor： Geeyoung Sung , Hongseok Lee , Byoungho Lee , Changkun Lee , Seokil Moon , Jongyoung Hong
Abstract: A see-through type display apparatus includes a see-through type optical system configured to transmit a first image via a first-path light, which is light traveling on a first path, to an ocular organ of a user, and a second image via a second-path light, which is light traveling on a second path, to the ocular organ of the user; and an incident light-dependent lens unit provided between the see-through type optical system and the ocular organ of the user and having different refractive powers according to characteristics of incident light, where the incident light-dependent lens unit has a positive first refractive power with respect to the first-path light and has a second refractive power different from the first refractive power with respect to the second-path light.
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公开(公告)号：US10578780B2
公开(公告)日：2020-03-03
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
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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