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    • 1. 发明申请
    • AUTO-STEREOSCOPIC DISPLAY DEVICE
    • 自动立体显示装置
    • US20100259819A1
    • 2010-10-14
    • US12680228
    • 2008-09-30
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • Martin Gerard Hendrik HiddinkSiebe Tjerk De ZwartOscar Hendrikus WillemsenMichel Cornelis Josephus Marie VissenbergThomas Caspar KraanMarc Joseph Rita Op De BeeckRemco Theodorus Johannes Muijs
    • G02B27/26
    • H04N13/312G02B27/2242G02B27/2285G02B27/26H04N13/305H04N13/351
    • An auto-stereoscopic display device which addresses the problem of how to provide an improved three dimensional effect without degrading the resolution of the views. The auto-stereoscopic display device comprises: image forming means having an array of display pixels for producing a display; view forming means positioned in registration with the image forming means and having an array of view forming elements, the view forming elements each being configurable to focus the outputs of groups of the display pixels into a plurality of views projected towards a user in different directions; and view deflecting means positioned in registration with the view forming means, the view deflecting means being arranged to selectably change the directions in which the plurality of views are projected towards the user. The view deflecting means comprise at least one birefringent prism having a first refractive index for light having a first polarization direction and a second refractive index for light having a second polarization direction. The view deflecting means further comprise a polarization switch in registration with the birefringent prism for providing the birefringent prism with display light having the first or second polarization direction. Specific arrangements of the image forming means, the view forming means and the view deflection means provide an even distribution of pixels and virtual pixels associated with the deflected views
    • 一种解决如何提供改进的三维效果而不降低视图分辨率的问题的自动立体显示装置。 自动立体显示装置包括:具有用于产生显示的显示像素阵列的图像形成装置; 视图形成装置定位成与图像形成装置对准并且具有视图形成元件的阵列,所述视图形成元件各自可配置为将显示像素的组的输出聚焦成朝向用户在不同方向上投影的多个视图; 并且将视角偏转装置设置成与视图形成装置对准,视图偏转装置被布置成可选地改变多个视图朝向使用者投射的方向。 视角偏转装置包括至少一个双折射棱镜,其具有用于具有第一偏振方向的光的第一折射率和具有第二偏振方向的光的第二折射率。 视角偏转装置还包括与双折射棱镜对准的偏振开关,用于为双折射棱镜提供具有第一或第二偏振方向的显示光。 图像形成装置,视图形成装置和视图偏转装置的具体布置提供与偏转视图相关联的像素和虚拟像素的均匀分布
    • 3. 发明申请
    • BEAM-SHAPING DEVICE
    • 波束形成装置
    • US20100149444A1
    • 2010-06-17
    • US12595250
    • 2008-04-14
    • Rifat Ata Mustafa HikmetTies Van BommelThomas Caspar KraanLeon Hendrikus Christiaan KustersSiebe Tjek De ZwartOscar Hendrikus WillemsenMarcellinus Petrus Carolus Michael Krijn
    • Rifat Ata Mustafa HikmetTies Van BommelThomas Caspar KraanLeon Hendrikus Christiaan KustersSiebe Tjek De ZwartOscar Hendrikus WillemsenMarcellinus Petrus Carolus Michael Krijn
    • G02F1/133G02F1/1343G02F1/1347G02F1/13357G02F1/1333G02F1/1335
    • A beam shaping device (1; 31) comprising first (3; 33) and second (4; 37) optically transparent substrates, a liquid crystal layer (2; 36) sandwiched there between, and first (5; 34) and second (6; 35) electrodes arranged on a side of the liquid crystal layer (2; 36) facing the first substrate (3; 34). The beam shaping device (1; 31) is controllable between beam-shaping states, each permitting passage of light through the beam-shaping device in a direction perpendicular thereto. The beam shaping device (1; 31) is configured in such a way that application of a voltage (V) across the first (5; 34) and second (6; 35) electrodes results in an electric field having a portion essentially parallel to the liquid crystal layer (2; 36) in a segment thereof between neighboring portions of the electrodes (5, 6; 34; 35) and extending substantially from the first substrate (3; 34) to the second (4; 35) substrate. In this way a relatively high refractive index gradient can be obtained across short distances, which enables a very efficient beam shaping. The electric field can be achieved by utilizing electrodes provided on one side of the liquid crystal layer, in a so-called in-plane configuration. The device can be used in an autostereoscopic display device, for switching between 2D and 3D modes.
    • 一种光束成形装置(1; 31),包括第一(3; 33)和第二(4; 37)光学透明基板,夹在其间的液晶层(2; 36)与第一(5,34)和第二 布置在面向第一基板(3; 34)的液晶层(2; 36)侧的电极; 光束成形装置(1; 31)在光束成形状态之间是可控的,每个光束成形装置允许光在垂直于其的方向上通过光束整形装置。 光束整形装置(1; 31)被配置成使得施加跨越第一(5; 34)和第二(6; 35)电极的电压(V)导致电场具有基本上平行于 在所述电极(5,6; 34; 35)的相邻部分之间的部分中的所述液晶层(2; 36),并且基本上从所述第一衬底(3; 34)延伸到所述第二衬底(4; 35)。 以这种方式,可以在短距离上获得相对高的折射率梯度,这使得能够非常有效地进行光束成形。 可以通过利用设置在液晶层的一侧上的电极以所谓的平面内构造来实现电场。 该设备可用于自动立体显示设备,用于在2D和3D模式之间切换。
    • 6. 发明申请
    • BEAM SHAPING DEVICE
    • 波束形成装置
    • US20100208185A1
    • 2010-08-19
    • US12678517
    • 2008-09-12
    • Ties Van BommelRifat Ata Mustafa HikmetThomas Caspar KraanNathalie Magali Danielle DessaudJan Frank Stromer
    • Ties Van BommelRifat Ata Mustafa HikmetThomas Caspar KraanNathalie Magali Danielle DessaudJan Frank Stromer
    • G02F1/1343
    • G02F1/29G02F1/134363G02F2001/133742G02F2201/122
    • A beam shaping device (1; 50; 60) comprising first (3) and second (4) substrates, a liquid crystal layer (2) sandwiched between the substrates, and a first electrode layer (5; 51) provided on a side of the first substrate (3) facing the liquid crystal layer (2). The beam shaping device is controllable between beam shaping states, each permitting passage of light through the beam shaping device, and further comprises an insulating layer (7) covering the first electrode layer (5; 51) and a second electrode layer (6; 53) provided on top of the insulating layer. The second electrode layer (6; 53) comprises a conductor pattern exposing a portion of the insulating layer (7). The beam shaping device is configured in such a way that application of a voltage (V) between the first (5; 51) and second (6; 53) electrode layers causes liquid crystal molecules comprised in a portion of the liquid crystal layer (2) corresponding to the exposed portion of the insulating layer to tilt in a plane perpendicular to the liquid crystal layer, resulting in a local refractive index gradient, thereby enabling shaping of a beam (8) of light passing through the beam shaping device.
    • 1.一种包括第一(3)和第二(4)基板的光束整形装置(1; 50; 60),夹在所述基板之间的液晶层(2)和设置在所述基板之间的第一电极层 所述第一基板(3)面向所述液晶层(2)。 光束整形装置可以在光束整形状态之间控制,每个状态允许光通过光束整形装置,并且还包括覆盖第一电极层(5; 51)和第二电极层(6; 53)的绝缘层 )设置在绝缘层的顶部。 第二电极层(6; 53)包括露出绝缘层(7)的一部分的导体图案。 光束整形装置被配置成使得在第一(5; 51)和第二(6; 53)电极层之间施加电压(V)导致液晶分子包含在液晶层(2)的一部分中 )对应于绝缘层的暴露部分在垂直于液晶层的平面中倾斜,导致局部折射率梯度,由此能够使通过光束整形装置的光束(8)成形。