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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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公开(公告)号：US11372257B2
公开(公告)日：2022-06-28
申请号：US16237336
申请日：2018-12-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek Seo , Changkun Lee , Juwon Seo , Geeyoung Sung , Bongsu Shin , Jaeseung Chung
Abstract: A see-through display device includes an optical coupler that couples first light input from a first direction and second light input from a second direction that is different from the first direction, the optical coupler transferring coupled light including the first light and the second light to an observer, and a shading member disposed in front of the optical coupler, the shading member transferring the second light to the optical coupler by reducing a light amount of the second light. The see-through display device limits a reflection phenomenon occurring between the optical coupler and the shading member.
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公开(公告)号：US11366427B2
公开(公告)日：2022-06-21
申请号：US16381195
申请日：2019-04-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Chilsung Choi , Hoon Song , Jungkwuen An , Changkun Lee , Hongseok Lee
Abstract: A backlight unit and a holographic display apparatus including the same are provided. The backlight unit includes a light guide plate and a uniformity changing element. The uniformity changing element has a light-incident surface and a light-exiting surface facing the light-incident surface, and the uniformity changing element receives the light output from the light guide plate through the light-incident surface, changes uniformity of the received light from the light guide plate and outputs the received light with the change in the uniformity of the received light through the light-exiting surface.
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Patent Agency Ranking
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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公开(公告)号：US11243396B2
公开(公告)日：2022-02-08
申请号：US16195272
申请日：2018-11-19
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun Lee , Yuntae Kim , Geeyoung Sung , Wontaek Seo , Hongseok Lee
Abstract: Provided are a display apparatus and an electronic device including the display apparatus. The display apparatus may include a first optical combiner; a second optical combiner spaced apart from the first optical combiner; a first image forming device configured to provide a first image to the first optical combiner; a second image forming device configured to provide a second image to the second optical combiner; and a shared optical system arranged between the first and second optical combiners and the first and second image forming devices, wherein the shared optical system may include a shared optical path through which the first image and the second image are provided the first optical combiner and the second optical combiner, respectively.
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公开(公告)号：US11054657B2
公开(公告)日：2021-07-06
申请号：US16364333
申请日：2019-03-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Bongsu Shin , Changkun Lee , Sunil Kim , Wontaek Seo , Geeyoung Sung
Abstract: A see-through display device includes an image generation unit configured to emit a virtual image light, a light combining unit configured to combine the virtual image light with an actual image light, and a driving unit including a deformation unit and a bridge unit disposed between the deformation unit and the image generation unit, and configured to control a distance between the image generation unit and the light combining unit through the deformation unit and the bridge unit.
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公开(公告)号：US20200156655A1
公开(公告)日：2020-05-21
申请号：US16403892
申请日：2019-05-06
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jaeseung Chung , Sunil Kim , Yuntae Kim , Wontaek Seo , Juwon Seo , Geeyoung Sung , Bongsu Shin , Changkun Lee
Abstract: An apparatus for controlling an augmented reality includes: a communicator configured to communicate with an external device; and a processor configured to identify, via the communicator, a sensing device which is an external device, generate virtual image data based on sensing data received from the identified sensing device, and provide the virtual image data to an image display device.
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公开(公告)号：US10473926B2
公开(公告)日：2019-11-12
申请号：US15964888
申请日：2018-04-27
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Changkun Lee , Wontaek Seo , Geeyoung Sung , Hongseok Lee
Abstract: A multi-image display apparatus for augmented reality (AR) or mixed reality (MR) includes a diffractive optical lens element, an image forming device configured to form a first image including a first color image, a second color image, and a third color image, and an optical system configured to transfer the first image and a second image to the diffractive optical lens element, the second image transferred along a path different from a path of the first image. The optical system is configured to offset chromatic aberration of the diffractive optical lens element by providing different optical path lengths for the first color image, the second color image, and the third color image.
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