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公开(公告)号：US12189336B2
公开(公告)日：2025-01-07
申请号：US17516142
申请日：2021-11-01
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daeho Yang , Hongseok Lee , Wontaek Seo , Jungkwuen An , Jong-Young Hong
Abstract: A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.
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公开(公告)号：US11921288B2
公开(公告)日：2024-03-05
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
CPC classification number: G02B27/0101 , G02B26/0833 , G02B27/0093 , G02B27/30 , G02B2027/014
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：US11874465B2
公开(公告)日：2024-01-16
申请号：US17095451
申请日：2020-11-11
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Jangwoo You , Wontaek Seo , Daeho Yang , Changkun Lee , Hongseok Lee
CPC classification number: G02B27/0103 , B60K35/00 , G02B3/00 , G02B5/10 , G02B5/3083 , G02B27/0093 , G02B27/283 , B60K2370/1529 , B60K2370/21 , B60K2370/29 , B60K2370/31 , B60K2370/332 , B60K2370/333 , B60K2370/347 , B60K2370/785 , G02B2003/0093 , G02B2027/014
Abstract: A head-up display system includes an image generating apparatus configured to emit light having a first polarization and including image information; a polarization beam splitter provided on an optical path of the light having the first polarization and configured to transmit the light having the first polarization; a wave plate configured to transmit the light transmitted through the polarization beam splitter while changing a phase of the light; and a mirror configured to reflect the light sequentially transmitted through the polarization beam splitter and the wave plate back to the polarization beam splitter through the wave plate. The polarization beam splitter may reflect light having a second polarization that is different from the first polarization and obtained by transmitting the light reflected by the mirror back through the wave plate.
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公开(公告)号：US12158728B2
公开(公告)日：2024-12-03
申请号：US18476443
申请日：2023-09-28
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daeho Yang , Sunil Kim , Wontaek Seo , Geeyoung Sung , Bongsu Shin , Jungkwuen An , Jangwoo You , Changkun Lee , Jong-Young Hong
Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.
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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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Patent Agency Ranking
公开(公告)号：US11803155B2
公开(公告)日：2023-10-31
申请号：US17331198
申请日：2021-05-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Daeho Yang , Sunil Kim , Wontaek Seo , Geeyoung Sung , Bongsu Shin , Jungkwuen An , Jangwoo You , Changkun Lee , Jong-Young Hong
CPC classification number: G03H1/2202 , G06T7/55 , G03H2226/02 , G06T2207/20056
Abstract: Disclosed are a method and a system for processing a computer-generated hologram (CGH). The system for processing a CGH includes a CGH generation apparatus and a display apparatus. The CGH generation apparatus repeatedly performs a process of propagating object data from a first depth layer to a second depth layer, changing amplitude data of the object data to second predefined amplitude data, back-propagating the object data from the second depth layer to the first depth layer, and changing the amplitude data of the object data to first predefined amplitude data, and generates a CGH by using the object data.
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公开(公告)号：US12242058B2
公开(公告)日：2025-03-04
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：US20220066391A1
公开(公告)日：2022-03-03
申请号：US17172196
申请日：2021-02-10
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Geeyoung SUNG , Daeho Yang , Hongseok Lee
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.
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公开(公告)号：US20220357703A1
公开(公告)日：2022-11-10
申请号：US17516142
申请日：2021-11-01
Applicant: Samsung Electronics Co., Ltd.
Inventor： Daeho Yang , Hongseok Lee , Wontaek Seo , Jungkwuen An , Jong-Young Hong
Abstract: A holographic display apparatus includes: a light source; a spatial light modulator configured to modulate light from the light source according to an image to be displayed on an object plane; and a processor configured to generate a computer generated hologram (CGH) in which a phase value of hologram data to be displayed on a reference plane of the spatial light modulator is 0, the processor being configured to apply a light modulation signal based on the CGH to the spatial light modulator.
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公开(公告)号：US11442277B2
公开(公告)日：2022-09-13
申请号：US17187158
申请日：2021-02-26
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Wontaek Seo , Bongsu Shin , Daeho Yang , Changkun Lee , Sunil Kim , Geeyoung Sung
IPC: G09G5/00 , G02B27/01 , H04N13/339 , G02B27/00 , H04N13/337
Abstract: Provided is a multi-image display apparatus including a light source configured to emit light, a spatial light modulator configured to modulate the light emitted by the light source and generate image light, a first optical system configured to deliver the image light through a first light path and a second light path that is not parallel with the first light path, and a second optical system configured to deliver external light and the image light delivered through the second light path to a pupil of a viewer, through a third light path that is not parallel with the second light path, wherein the second optical system includes a steering optical device provided at a crossing point of the second light path and the third light path and configured to be two-axis rotated.
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