-
81.发明授权公开(公告)号：US11906757B2
公开(公告)日：2024-02-20
申请号：US17060419
申请日：2020-10-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Kanghee Won , Young Kim , Jungkwuen An , Hongseok Lee
Abstract: Provided is a beam deflector including a first sub deflector configured to deflect light of a first wavelength band in a first direction and a second direction that intersects the first direction, and convert a polarization direction of the light of the first wavelength band, and a second sub deflector configured to deflect light of a second wavelength band, that is different from the first wavelength band in the first direction and the second direction, and convert a polarization direction of the light of the second wavelength band, wherein the first sub deflector and the second sub deflector are sequentially provided such that the light of the first wavelength band and the light of the second wavelength band sequentially pass through the first sub deflector and the second sub deflector.
-
82.发明授权公开(公告)号：US11892630B2
公开(公告)日：2024-02-06
申请号：US16813882
申请日：2020-03-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jangwoo You , Byonggwon Song , Wontaek Seo , Changkun Lee , Hongseok Lee
CPC classification number: G02B27/0149 , G02B6/0026 , G02B27/0101 , G02B27/0972 , G02B27/0983 , G02B2027/015 , G02B2027/0118 , G02B2207/101
Abstract: An augmented reality device may include: a light source; a display device comprising a plurality of pixels and configured to generate a first image based on light incident from the light source; and an optical combiner comprising a plurality of optical combining units each including a first area and a second area, wherein the first area reflects a plurality of beams constituting the first image at different reflection angles according to wavelengths and incident angles and transfers the reflected plurality of beams to a predetermined viewer position, and the second area transmits a beam of a second image received from outside and transfers the beam of the second image to the predetermined viewer position.
-
83.发明授权公开(公告)号：US11880049B2
公开(公告)日：2024-01-23
申请号：US18194080
申请日：2023-03-31
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Young Kim , Soonbum Kwon , Byonggwon Song , Jungkwuen An , Kanghee Won , Hongseok Lee , Jong-Young Hong
IPC: G02B30/25 , G02F1/13 , G02F1/1335
CPC classification number: G02B30/25 , G02F1/133528 , G02F1/133538
Abstract: A geometric phase optical element and a three-dimensional display apparatus including the same are provided. The geometric phase optical element includes: a liquid crystal layer; a first electrode on a surface of the liquid crystal layer; and a second electrode on another surface of the liquid crystal layer, wherein, when no voltage is applied to the first and second electrodes, the liquid crystal layer is configured such that a phase difference according to an arrangement of the liquid crystal is π and light transmitted through the liquid crystal layer is diffracted by a first deflection angle, and when a first voltage that causes the phase difference according to the arrangement of the liquid crystal to become π/2 is applied to the first and second electrodes, the liquid crystal layer is configured such that the light transmitted through the liquid crystal layer is diffracted by a second deflection angle.
-
公开(公告)号：US11740587B2
公开(公告)日：2023-08-29
申请号：US17318784
申请日：2021-05-12
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daeho Yang , Myungjae Jeon , Jong-Young Hong , Hongseok Lee
CPC classification number: G03H1/2294 , G03H1/0841 , G03H2225/34
Abstract: Provided is a method of generating a computer-generated hologram (CGH), the method including obtaining complex data including amplitude data of object data and phase data of the object data corresponding to a spatial light modulator (SLM) plane by propagating the object data from an image plane to the SLM plane, encoding the complex data into encoded amplitude data, and generating a CGH based on the object data including the encoded amplitude data.
-
公开(公告)号：US11733651B2
公开(公告)日：2023-08-22
申请号：US17172196
申请日：2021-02-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung Sung , Daeho Yang , Hongseok Lee
CPC classification number: G03H1/2294 , G02B27/0172 , G03H1/0808 , G02B2027/0174 , G02B2027/0178 , G03H2001/0825 , G03H2210/30
Abstract: A holographic display apparatus and a holographic display method are provided. The holographic display apparatus determines a representative depth from 3D image data; calculates a computer generated hologram (CGH) corresponding to the representative depth on the 3D image data; obtains the modulated CGH by modulating a phase of the CGH to increase an eye box; modulates a light according to the modulated CGH and generates a hologram image; and forms the generated hologram image at the representative depth.
-
Patent Agency Ranking
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.
-
公开(公告)号：US11714222B2
公开(公告)日：2023-08-01
申请号：US17555070
申请日：2021-12-17
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jong-Young Hong , Hoon Song , Jungkwuen An , Hongseok Lee
IPC: F21V8/00
CPC classification number: G02B6/003 , G02B6/005 , G02B6/0076
Abstract: Provided is an optical device including a first backlight configured to output first light of a first wavelength through a first output coupler, a first lens disposed to face the first output coupler and having a focal length with respect to the first light, a second backlight including a second output coupler, the second backlight being configured to output second light of a second wavelength through the second output coupler, a second lens disposed to face the second output coupler and having different focal lengths with respect to the first light and the second light, a third backlight including a third output coupler, the third backlight being configured to output third light of a third wavelength through the third output coupler, and a third lens disposed to face the third output coupler and having different focal lengths with respect to the first light, the second light, and the third light.
-
公开(公告)号：US11662511B2
公开(公告)日：2023-05-30
申请号：US17369103
申请日：2021-07-07
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Aleksander V. Morozov , Andrey N. Putilin , Sergey E. Dubynin , Chilsung Choi , German B. Dubinin , Hongseok Lee , Hoon Song
CPC classification number: G02B6/0025 , G02B5/32 , G02B27/0944 , G02B27/425
Abstract: A beam expander includes first and second optical elements spaced apart from each other, and a light diffuser having an angular aperture that diffuses incident light through the angular aperture, wherein the first optical element in-couples the diffused light such that light exiting the first optical element has a first cross-sectional shape and light having a second cross-sectional shape different from the first cross-sectional shape is incident on the second optical element, and the second optical element out-couples light incident from the first optical element.
-
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.
-
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.
-
-
-
-
-
-
-
-
-
Search Results
225
records
(took 0.164 seconds)
