公开(公告)号：WO2016034247A1

公开(公告)日：2016-03-10

申请号：PCT/EP2014/068947

申请日：2014-09-05

Applicant: LEMOPTIX SA

Inventor： MASSON, Jonathan ,  MARCHAL, Dominique

IPC: G02B26/10 ,  G02B27/14 ,  G02B27/48 ,  H04N9/31 ,  G02B27/01

CPC classification number: G02B27/48 ,  G02B3/0006 ,  G02B5/288 ,  G02B26/0833 ,  G02B26/101 ,  G02B27/0101 ,  G02B27/142 ,  G02B2027/011 ,  G02B2027/0118 ,  G02B2207/117 ,  G03B21/602 ,  H04N9/3129

Abstract: An image projector (2, 2b, 2c) comprising, a light source (4) for providing a light beam (5); a MEMS mirror (6) which is arranged such that it can receive the light beam (5), and which can oscillate about at least one oscillation axis (7a, b) to scan said light beam (5); one or more multiple-beam-generators (8, 80, 41, 61, 62) each of the one or more multiple-beam-generators comprising, a planar beam splitter (9) which is arranged to receive the light beam (5) reflected by the MEMS mirror (6), and a planar reflector (10) which can receive the part of the light beam (5) which is transmitted through the planar beam splitter (9), so that each of the one or more multiple-beam-generators (8, 80, 41 ) can generated multiple beams (15a-c), and wherein the planar beam splitter (9) and planar reflector (10) are arranged to be in parallel; and a focusing lens (11) which is arranged to receive multiple beams (15a-c) which are generated by the one or more multiple-beam-generators (8, 80, 41, 61,62); wherein, in each of the one or more multiple-beam-generators (8, 80, 41, 61,62), the distance (h) between the planar beam splitter (9) and planar reflector (10) is such that the optical distance (OD) between the planar beam splitter (9) and planar reflector (10) is greater than, or equal to, half the coherent length of the light beam (5). There is further provided an optical assembly (1, 20, 30, 40, 60) comprising such an image projector.

Abstract translation: 一种图像投影仪（2,2b，2c），包括：用于提供光束（5）的光源（4）; MEMS反射镜（6），其布置成使得其可以接收光束（5），并且可以围绕至少一个振荡轴（7a，b）摆动以扫描所述光束（5）; 每个一个或多个多光束发生器中的一个或多个多光束发生器（8,80,41,61,62）包括：布置成接收光束（5）的平面分束器（9） 由MEMS反射镜（6）反射，以及平面反射器（10），其可以接收通过平面分束器（9）传输的光束（5）的一部分，使得一个或多个多 光束发生器（8,80,41）可以产生多个光束（15a-c），并且其中平面分束器（9）和平面反射器（10）被布置成平行; 以及聚焦透镜（11），被配置为接收由所述一个或多个多光束发生器（8,80,41,61,62）产生的多个光束（15a-c）; 其中，在所述一个或多个多光束发生器（8,80,41,61,62）的每一个中，所述平面光束分离器（9）和所述平面反射器（10）之间的距离（h）使得所述光学 平面分束器（9）和平面反射器（10）之间的距离（OD）大于或等于光束（5）的相干长度的一半。 还提供了包括这种图像投影仪的光学组件（1,20,30,40,60）。

公开(公告)号：WO2014053562A1

公开(公告)日：2014-04-10

申请号：PCT/EP2013/070574

申请日：2013-10-02

Applicant: LEMOPTIX SA

Inventor： LE GROS, Christophe ,  MASSON, Jonathan ,  KILCHER, Lucio

IPC: G02B3/00 ,  G02B3/02 ,  G02B27/01 ,  G02B5/10

CPC classification number: G02B3/005 ,  G02B3/0006 ,  G02B3/0056 ,  G02B5/0215 ,  G02B5/10 ,  G02B13/22 ,  G02B27/0101 ,  G02B2027/0118

Abstract: An optical assembly, and in particular an optical assembly which uses a microlens array or a micromirror array to reduce speckle. It further concerns an optical component which comprises a micromirror array.

Abstract translation: 光学组件，特别是使用微透镜阵列或微镜阵列来减少斑点的光学组件。 它还涉及包括微镜阵列的光学部件。

公开(公告)号：WO2014180509A1

公开(公告)日：2014-11-13

申请号：PCT/EP2013/059723

申请日：2013-05-10

Applicant: LEMOPTIX SA

Inventor： MASSON, Jonathan ,  KILCHER, Lucio

IPC: G02B5/02 ,  G02B27/48 ,  G02B27/01

CPC classification number: G02B27/48 ,  G02B5/0215 ,  G02B5/0263 ,  G02B5/0284 ,  G02B5/0294 ,  G02B13/16 ,  G02B13/22 ,  G02B26/0833 ,  G02B26/105 ,  G02B27/0101 ,  G02B27/10 ,  G02B2027/013 ,  H04N9/3129

Abstract: A projection device According to the present invention there is provided a projection device (30,50,100) comprising, a light source (31,61 ) which can provide light beams (32a,b,c 62a,b,c), wherein the light beams (32a,b,c 62a,b,c) can be used to define one or more pixels of a virtual image (48); a MEMS micro mirror (34) which is arranged to receive the light beams (32a,b,c 62a,b,c) provided by the light source (31,61 ), and wherein the MEMS micro mirror (34) can oscillate about at least one oscillation axis (7,17) to scan the light beams (32a,b,c 62a,b,c);a reflective element (38), which comprises a plurality of convex reflective projections (39), and wherein the reflective element (38) is arranged so that light beams (32a,b,c 62a,b,c) reflected by the MEMS micro mirror (34) are incident on said convex reflective projections (39), so that the light beams (32a,b,c 62a,b,c) are reflected by the convex reflective projections (39); a beam combiner (45,81 ), wherein the beam combiner is arranged to receive the light beams (32a,b,c 62a,b,c) which are reflected by the convex reflective projections (39) wherein the beam combiner (45,81 ) is configured to at least partially reflect the light beams (32a,b,c 62a,b,c) which it receives so that the light beams (32a,b,c 62a,b,c) can form a virtual image (48) which is visible when viewed from within an eyebox (47). There is further provided a corresponding method of projecting a virtual image.

Abstract translation: 投影装置根据本发明，提供了一种投影装置（30,50,100），包括：可提供光束（32a，b，c62a，b，c）的光源（31,61），其中所述光 光束（32a，b，c62a，b，c）可以用于定义虚拟图像（48）的一个或多个像素; 被布置成接收由光源（31,61）提供的光束（32a，b，c62a，b，c）的MEMS微反射镜（34），并且其中MEMS微反射镜（34）可围绕 用于扫描光束（32a，b，c62a，b，c）的至少一个振荡轴（7,17）;包括多个凸反射突起（39）的反射元件（38） 反射元件（38）被布置成使得由MEMS微反射镜（34）反射的光束（32a，b，c62a，b，c）入射在所述凸形反射突起（39）上，使得光束 ，b，c 62a，b，c）被凸出的反射突起（39）反射; 光束组合器（45,81），其中所述光束组合器被布置成接收由所述凸反射突起（39）反射的光束（32a，b，c 62a，b，c），其中所述光束组合器 81）被配置为至少部分地反射其所接收的光束（32a，b，c 62a，b，c），使得光束（32a，b，c62a，b，c）可以形成虚像（ 48），其在从眼框（47）内观察时是可见的。 还提供了投影虚拟图像的相应方法。

公开(公告)号：WO2014111163A1

公开(公告)日：2014-07-24

申请号：PCT/EP2013/051019

申请日：2013-01-21

Applicant: LEMOPTIX SA

Inventor： MASSON, Jonathan ,  ABELE, Nicolas

IPC: G02B26/00 ,  G02B27/10 ,  G02B27/48

CPC classification number: G02B26/001 ,  G02B26/0833 ,  G02B26/105 ,  G02B27/1066 ,  G02B27/48 ,  G02F1/1313 ,  G03B21/2033 ,  H04N9/3129 ,  H04N9/3161 ,  H04N9/3164

Abstract: According to the present invention there is provided a method of reducing speckle effects in a projected image which is displayed on a display surface, comprising the steps of, transmitting an input light beam to a first interferometer, generating a plurality of primary transmit beams at the first interferometer using the input light beam, using the plurality of primary transmit beams to generate interference fringes at a display surface.

Abstract translation: 根据本发明，提供了一种减少显示在显示面上的投影图像中的斑点效应的方法，包括以下步骤：将输入光束传输到第一干涉仪，在该第一干涉仪上产生多个初级发射光束 使用所述输入光束的第一干涉仪，使用所述多个主发射光束在显示表面处产生干涉条纹。