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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：US12140824B2
公开(公告)日：2024-11-12
申请号：US17842327
申请日：2022-06-16
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Duhyun Lee , Changgyun Shin , Sunil Kim , Junghyun Park , Byunggil Jeong
Abstract: A light modulator for amplifying an intensity of incident light and modulating a phase of the incident light is provided. The light modulator includes: a first distributed Bragg reflector (DBR) layer having a first reflectivity and comprising at least two first refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; a second DBR layer having a second reflectivity and comprising at least two second refractive index layers that have different refractive indices from each other and are repeatedly alternately stacked; and an active layer disposed between the first DBR layer and the second DBR layer, and comprising a quantum well structure.
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公开(公告)号：US12032267B2
公开(公告)日：2024-07-09
申请号：US16790993
申请日：2020-02-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Byunggil Jeong , Sunil Kim , Junghyun Park , Duhyun Lee
IPC: G02F1/31 , G02B5/08 , G02B5/12 , G02B6/28 , G02B6/35 , G02B6/42 , G02F1/01 , G02F1/015 , G02F1/017
CPC classification number: G02F1/31 , G02B5/0816 , G02B5/085 , G02B5/12 , G02B6/2856 , G02B6/3576 , G02B6/4269 , G02F1/0147 , G02F1/0151 , G02F1/017 , G02F2201/30 , G02F2201/346 , G02F2203/24
Abstract: Provided a light modulating device including a variable mirror including a plurality of lattice structures, the plurality of lattice structures including a material having a refractive index that changes based on a temperature of the material, a distributed Bragg mirror spaced apart from the variable mirror and provided above the variable mirror, the distributed Bragg mirror including a first material layer and a second material layer that are alternately stacked, and a refractive index of the first material layer being different from a refractive index of the second material layer, and a heating portion configured to heat the plurality of lattice structures and provided below the variable mirror opposite to the distributed Bragg mirror.
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公开(公告)号：US11971558B2
公开(公告)日：2024-04-30
申请号：US17166641
申请日：2021-02-03
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
CPC classification number: G02B27/1026 , G01S7/4814
Abstract: A spatial light modulator and a beam steering apparatus including the same are provided. The spatial light modulator includes a first reflective layer; a cavity layer provided on the first reflective layer; and a reflective layer including a plurality of unit lattice structures that are provided on the cavity layer are and spaced apart from each other. Each of the plurality of unit lattice structures has a polycrystalline structure, and at least one grain of the polycrystalline structure has a column shape and a height equal to a height of the plurality of unit lattice structures.
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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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87.发明公开公开(公告)号：US20230324724A1
公开(公告)日：2023-10-12
申请号：US18334838
申请日：2023-06-14
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Junghyun PARK , Yeonsang PARK , Sunil Kim , Duhyun LEE , Byunggil JEONG
CPC classification number: G02F1/0311 , G02F1/0147 , G02F1/0316 , G02B26/10 , G02F1/09 , G02F2201/346 , G02F2201/307
Abstract: Provided is a light modulator including a substrate, and a resonator configured to modulate a phase of incident light by modulating a refractive index based on an external stimulus, the resonator comprising a first reflective structure provided on the substrate, a cavity layer provided on the first reflective structure, and a second reflective structure provided on the cavity layer, wherein at least one of the first reflective structure or the second reflective structure comprises first material layers, second material layers that are alternately stacked with the first material layers, and a third material layer, and wherein each of the first material layers has a first refractive index, each of the second material layers has a second refractive index that is different from the first refractive index, and the third material layer has a third refractive index that is different from the first refractive index
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公开(公告)号：US11703688B2
公开(公告)日：2023-07-18
申请号：US17038592
申请日：2020-09-30
Inventor： Bongsu Shin , Woojun Han , Jaisoon Kim , Sunil Kim , Hongseok Lee
CPC classification number: G02B27/0172 , G02C7/083 , G02B2027/011 , G02B2027/0174 , G02B2027/0178
Abstract: An anamorphic optical system and a display apparatus including the same are disclosed. The anamorphic optical system includes an illumination system having astigmatism, and first and second correction lenses that are provided to have tangential power and sagittal power respectively and correct the astigmatism in the illumination system. The first and second correction lenses are provided in which a difference between a distance from the first correction lens to a tangential image formed by the first correction lens and a distance from the second correction lens to a sagittal image formed by the second correction lens corresponds to a distance between the first correction lens and the second correction lenses, and at least one of the first correction lens and the second correction lens has an asymmetric stop to form the tangential image and the sagittal image on the same surface.
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公开(公告)号：US11536980B2
公开(公告)日：2022-12-27
申请号：US17089261
申请日：2020-11-04
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Junghyun Park , Duhyun Lee , Byunggil Jeong
IPC: G02B27/09 , H01L27/146 , G01S7/481 , G01S7/4914
Abstract: Provided is a beam steering apparatus including a driving pixel unit including a plurality of driving pixels that are respectively configured to supply a voltage or a current, a light modulator including a plurality of pixels corresponding to the plurality of driving pixels, each pixel of the plurality of pixels being configured to modulate incident light, and a wiring layer including a wiring structure configured to electrically connect the plurality of driving pixels to the plurality of pixels, wherein the wiring structure includes a first conductive wire connected to the plurality of driving pixels, a second conductive wire connected to the plurality of pixels, and at least one third conductive wire connected between the first conductive wire and the second conductive wire, and wherein the first conductive wire, the second conductive wire, and the at least one third conductive wire form a step structure.
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公开(公告)号：US11487117B2
公开(公告)日：2022-11-01
申请号：US16833831
申请日：2020-03-30
Applicant: SAMSUNG ELECTRONICS CO., LTD.
Inventor： Sunil Kim , Druzhin Vladislav , Malinina Polina , Bongsu Shin , Dubynin Sergey
Abstract: Provided a display apparatus including an image forming apparatus configured to form an image, a projection optical system configured to project the image formed by the image forming apparatus, and a combining optical system configured to provide the image projected from the projection optical system combined with light emitted from an external landscape, wherein the combining optical system is configured to divide the image projected from the projection optical system into same images and focus the same images on different positions.
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