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公开(公告)号：WO2017141240A1
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050192
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov , AMITAI, Nadav
IPC: G02B27/01
CPC classification number: G02B27/0172 , G02B6/00 , G02B27/0081 , G02B27/1066 , G02B27/126 , G02B27/144 , G02B2027/0123 , G02B2027/0178
Abstract: There is provided an optical device, including an input aperture, an output aperture, at least first and second light-transmitting substrates each having two major surfaces and edges, an input surface for coupling light waves into the substrate for effecting total internal reflection inside the substrate, and an output surface for coupling light waves out of the substrate, a major surface of the first substrate is attached to a major surface of the second substrate and the input surface of the first substrate is a partially reflecting surface, such that part of the light waves passing through the input aperture is partially reflected by the partially reflecting input surface and coupled into the first substrate and another part passes through the partially reflecting input surface and is coupled by the input surface of the second substrate into the second substrate.
Abstract translation: 提供了一种光学装置，其包括输入孔径，输出孔径，至少第一和第二透光衬底，每个衬底具有两个主表面和边缘，输入表面用于将光波耦合到 用于在衬底内部实现全内反射的衬底和用于将光波耦合到衬底外的输出表面，第一衬底的主表面附着到第二衬底的主表面，并且第一衬底的输入表面是 部分反射表面，使得穿过输入孔径的光波的一部分被部分反射输入表面部分地反射并且耦合到第一基板中，并且另一部分穿过部分反射输入表面并且被部分反射输入表面的输入表面 第二衬底进入第二衬底。
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公开(公告)号：WO2017141241A2
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050193
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov , AMITAI, Mori , AMITAI, Menachem
IPC: G02F1/1335 , G02B27/22
CPC classification number: G02B27/4205 , G02B27/0172 , G02B27/4272 , G02F1/1335
Abstract: There is provided an optical display system, including a light source, a control unit, and an array of at least two juxtaposed double grating elements, each of the elements comprising a first grating and a second grating, spaced apart at a constant distance from each other, each of the two gratings having at least two edges and comprises at least one sequence of a plurality of lines, wherein the spacing between the lines gradually changes from one edge of the grating to the other edge, and wherein the first grating diffracts a light wave from the light source towards the second grating and is further diffracted by the second grating as an output light wave in a given direction.
Abstract translation: 提供了一种光学显示系统，其包括光源，控制单元以及至少两个并置的双光栅元件的阵列，每个元件包括第一光栅和第二光栅， 以彼此间恒定的距离间隔开，两个光栅中的每一个具有至少两个边缘并且包括至少一个多条线的序列，其中线之间的间隔从光栅的一个边缘逐渐变化到另一个边缘 ，并且其中第一光栅衍射来自光源的光波朝向第二光栅，并且被第二光栅衍射作为输出光波在给定方向上。
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公开(公告)号：WO2017141239A1
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050191
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov
IPC: G02B27/01
CPC classification number: G02B27/0172
Abstract: There is provided an optical device, including a light-transmitting substrate having a refractive index, at least two major surfaces and edges, an optical element for coupling light waves into the substrate for effecting total internal reflection, at least one element carried by the first substrate for coupling light waves out of the substrate, and a first transparent plate, having at least two major surfaces, one of the major surfaces of the first transparent plate being optically cemented, with a first optical adhesive having a refractive index, to one of the major surfaces of the light-transmitting substrate, defining a first interface surface, light waves coupled inside the substrate are partially reflected from the interface plane and partially pass through it, wherein the refractive index of the optical adhesive is different than the refractive index of the light transmitting substrate.
Abstract translation: 提供了一种光学器件，其包括具有折射率的透光衬底，至少两个主表面和边缘，用于将光波耦合到衬底中以实现全内反射的光学元件， 至少一个由第一衬底承载的元件，用于将光波耦合到衬底之外;以及第一透明板，具有至少两个主表面，第一透明板的一个主表面被光学胶合，第一光学胶粘剂 其具有折射率至所述透光衬底的所述主表面之一，限定第一界面表面，在所述衬底内部耦合的光波从所述界面平面部分地反射并部分地穿过其中，其中所述光学 粘合剂不同于透光衬底的折射率。
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Patent Agency Ranking
公开(公告)号：WO2017141242A3
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050194
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov , AMITAI, Nadav
Abstract: There is provided an optical device, including a light-transmitting substrate having at least two major surfaces and edges, an optical element for coupling light waves into the substrate to effect total internal reflection, and at least one flat reflecting surface having at least one active side located between the two major surfaces of the light-transmitting substrate for coupling light waves out of the substrate, characterized in that light waves trapped inside the substrate are reflected at least twice by the active side of the reflecting surface before being coupled out from the substrate.
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公开(公告)号：WO2017141242A2
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050194
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov , AMITAI, Nadav
CPC classification number: G02B27/0172 , G02B6/00 , G02B2027/0125
Abstract: There is provided an optical device, including a light-transmitting substrate having at least two major surfaces and edges, an optical element for coupling light waves into the substrate to effect total internal reflection, and at least one flat reflecting surface having at least one active side located between the two major surfaces of the light-transmitting substrate for coupling light waves out of the substrate, characterized in that light waves trapped inside the substrate are reflected at least twice by the active side of the reflecting surface before being coupled out from the substrate.
Abstract translation: 提供了一种光学器件，包括具有至少两个主表面和边缘的光透射基板，用于将光波耦合到基板中以实现全内反射的光学元件，以及至少一个 其具有位于透光衬底的两个主表面之间的至少一个有源侧，用于将光波耦合到衬底之外，其特征在于，捕获在衬底内的光波被所述衬底的有源侧反射至少两次 在从衬底耦合出来之前反射表面。
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公开(公告)号：WO2017141241A3
公开(公告)日：2017-08-24
申请号：PCT/IL2017/050193
申请日：2017-02-15
Applicant: BEAMUS LTD.
Inventor： AMITAI, Yaakov , AMITAI, Mori , AMITAI, Menachem
IPC: G02F1/1335 , G02B27/22
Abstract: There is provided an optical display system, including a light source, a control unit, and an array of at least two juxtaposed double grating elements (DGE1, DGE2), each of the elements comprising a first grating (G1) and a second grating (G2), spaced apart at a constant distance from each other, each of the two gratings having at least two edges and comprises at least one sequence of a plurality of lines, wherein the spacing between the lines gradually changes from one edge of the grating to the other edge, and wherein the first grating diffracts a light wave (W1, W2) from the light source towards the second grating and is further diffracted by the second grating as an output light wave in a given direction.
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公开(公告)号：EP1292857B1
公开(公告)日：2006-08-09
申请号：EP01943763.1
申请日：2001-06-17
Applicant: Beamus Ltd.
Inventor： AMITAI, Yaakov
CPC classification number: G02F1/035 , G02B5/1866 , G02B6/1203 , G02B6/29304 , G02F2201/305 , H04J14/02
Abstract: The invention provides an optical device, including a light-transmissive substrate, and a pair of different, parallel gratings including a first grating and a second grating, located on the substrate at a constant distance from each other, each of the pair of parallel gratings including at least one sequence of a plurality of parallel lines, wherein the spacings between the lines gradually increase from one edge of the grating up to a maximum distance between the lines, and wherein the arrangement of lines in the second grating is in the same direction as that of the first grating. A system utilizing a plurality of such optical devices is also disclosed.
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公开(公告)号：EP1292857A2
公开(公告)日：2003-03-19
申请号：EP01943763.1
申请日：2001-06-17
Applicant: Beamus Ltd.
Inventor： AMITAI, Yaakov
IPC: G02F1/29
CPC classification number: G02F1/035 , G02B5/1866 , G02B6/1203 , G02B6/29304 , G02F2201/305 , H04J14/02
Abstract: The invention provides an optical device, including a light-transmissive substrate, and a pair of different, parallel gratings including a first grating and a second grating, located on the substrate at a constant distance from each other, each of the pair of parallel gratings including at least one sequence of a plurality of parallel lines, wherein the spacings between the lines gradually increase from one edge of the grating up to a maximum distance between the lines, and wherein the arrangement of lines in the second grating is in the same direction as that of the first grating. A system utilizing a plurality of such optical devices is also disclosed. A change in the refractive index of the substrate yields an angular deviation of the output wave. The refractive index of the substrate can be dynamically controlled by external means, e.g. by applying an electrical field.
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