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公开(公告)号：US20180107000A1
公开(公告)日：2018-04-19
申请号：US15788402
申请日：2017-10-19
Inventor： Geeyoung Sung , Hongseok Lee , Byoungho Lee , Changkun Lee , Seokil Moon , Jongyoung Hong
CPC classification number: G02B27/0172 , G02B3/10 , G02B3/14 , G02B5/3083 , G02B27/144 , G02B27/283 , G02B2027/011 , G02B2027/0123 , G02B2027/0178 , G02C7/022 , G02C7/06 , G02F1/293 , G02F2001/294
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：US12282159B2
公开(公告)日：2025-04-22
申请号：US18117122
申请日：2023-03-03
Inventor： Seokil Moon , Minseok Chae , Changkun Lee , Dongheon Yoo , Byoungho Lee
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：US12181674B2
公开(公告)日：2024-12-31
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：US20240184112A1
公开(公告)日：2024-06-06
申请号：US18396372
申请日：2023-12-26
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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Patent Agency Ranking
公开(公告)号：US11988829B2
公开(公告)日：2024-05-21
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
CPC classification number: G02B27/0101 , G02B1/002 , G02B5/003 , G02B5/32 , G02B6/0026 , G02B6/005
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：US20230252780A1
公开(公告)日：2023-08-10
申请号：US17891795
申请日：2022-08-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil Moon , Changkun Lee , Geeyoung Sung
IPC: G06V10/98 , G06V10/143 , G06T5/50 , G02F1/13357 , G02B27/01
CPC classification number: G06V10/98 , G02B27/0172 , G02F1/133611 , G06T5/50 , G06V10/143 , G02B2027/0178 , G06T2207/10024 , G06T2207/20081 , G06T2207/20084 , G06T2207/20221
Abstract: An image processing method and apparatus include: obtaining a plurality of input optical images and a plurality of output optical images for a near-eye display apparatus; training a neural network for modeling the waveguide optical system by using a training set including the obtained input and output optical images; and obtaining a uniformity correction image to be input to the trained neural network such that the trained neural network then outputs a target uniformity image having certain brightness uniformity.
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公开(公告)号：US11714283B2
公开(公告)日：2023-08-01
申请号：US17039000
申请日：2020-09-30
Inventor： Changkun Lee , Seokil Moon , Byoungho Lee , Geeyoung Sung , Hongseok Lee
CPC classification number: G02B27/0172 , G02B27/0093 , G02B27/286 , G02B2027/0123 , G02B2027/0147 , G02B2027/0178
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：US20230161160A1
公开(公告)日：2023-05-25
申请号：US17751133
申请日：2022-05-23
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Seokil Moon , Changkun Lee , Geeyoung Sung
CPC classification number: G02B27/0172 , G02B6/0036 , G02B2027/011
Abstract: Provided are a waveguide optical device and a near-eye display apparatus including the same. The waveguide optical device includes a waveguide that propagates light, an input coupler that inputs the light into the waveguide, and an output coupler that outputs the light propagating in the waveguide to the outside, wherein the output coupler includes a plurality of grating regions, which are arranged to be spaced apart from each other.
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公开(公告)号：US20220299776A1
公开(公告)日：2022-09-22
申请号：US17700775
申请日：2022-03-22
Inventor： Changkun Lee , Woojun Han , Jaisoon Kim , Seokil Moon , Geeyoung Sung , Seunga Lim
Abstract: Provided is a display apparatus including a combiner having asymmetric magnification. The display apparatus may include: an image forming device configured to form a virtual image; and a combiner configured to mix the virtual image with light containing an outside landscape and provide a viewer with the virtual image and the light that are mixed with each other, wherein the combiner may include a curved surface that varies a size of the virtual image with a first magnification in a first direction and a second magnification in a second direction perpendicular to the first direction, the second magnification being less than the first magnification.
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