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    • 1. 发明授权
    • End reflector for a flat panel lens
    • 平板镜头的端面反射镜
    • US08152349B2
    • 2012-04-10
    • US12354695
    • 2009-01-15
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • F21V7/04G02B5/18
    • B29D11/00663G02B6/0018G02B6/0046G02B6/0055
    • End reflectors, flat panel lens that may utilize the end reflector, and methods are provided. The end reflector for a flat panel lens may include a first grating having a first set of parallel planes. The first set of parallel planes may be of layers of alternating refractive indexes disposed at a first angle with a central plane of the flat panel lens. The end reflector may also include a second grating having a second set of parallel planes. The second set of parallel planes may be of layers of alternating refractive indexes of alternating refractive indexes disposed at a second angle with the central plane. The second angle may be equivalent to the first angle reflected about the central plane.
    • 提供可使用端反射器的端面反射器,平板透镜以及方法。 用于平板透镜的端部反射器可以包括具有第一组平行平面的第一光栅。 第一组平行平面可以是与平板透镜的中心平面成第一角度设置的交替折射率层。 端部反射器还可以包括具有第二组平行平面的第二光栅。 第二组平行平面可以是以与中心平面成第二角度设置的交替折射率的交替折射率层。 第二角度可以等同于围绕中心平面反射的第一角度。
    • 2. 发明授权
    • Flat-panel optical projection apparatus with reduced distortion
    • 具有减小失真的平板光学投影设备
    • US08152315B2
    • 2012-04-10
    • US12444003
    • 2007-10-02
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • G03B21/00G02B6/26G02B6/036G02B6/10
    • G02B6/0046G02B6/0028G03B21/28H04N9/3141
    • A light guide of the tapered-waveguide type includes an input slab (30) for expanding a projected image between an input end and an output end (40); and a tapered output slab (10) arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide (30) is greater in the transverse direction away from the centre line C, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide (10) bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion.
    • 锥形波导型光导包括用于在输入端和输出端(40)之间扩展投影图像的输入板(30); 以及锥形输出板(10),其布置成接收来自所述输入板的所述输出端的光线,并且在其面上与所述射线接收的角度对应的点处发射它们。 计算锥度,使得注入输入端的所有光线在离开输出面之前经历相同数量的反射。 输入平板导光体(30)的厚度在远离中心线C的横向方向上较大,使得从平板波导的输入面向输出波导(10)以临界角行进的光反弹 输入板中的次数,而不管其扇出角度,以进一步减少图像失真。
    • 4. 发明授权
    • Flat-panel optical projection apparatus with reduced distortion
    • 具有减小失真的平板光学投影设备
    • US08491136B2
    • 2013-07-23
    • US13442332
    • 2012-04-09
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • G03B21/00G02B6/26G02B6/036G02B6/10
    • G02B6/0046G02B6/0028G03B21/28H04N9/3141
    • A light guide of the tapered-waveguide type includes an input slab for expanding a projected image between an input end and an output end; and a tapered output slab arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide is greater in the transverse direction away from the center line, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion.
    • 锥形波导型光导包括用于在输入端和输出端之间扩展投影图像的输入板; 以及锥形输出板,布置成接收来自输入板的所述输出端的光线,并且在其面上对应于接收光线的角度的点发射它们。 计算锥度,使得注入输入端的所有光线在离开输出面之前经历相同数量的反射。 输入平板导光体的厚度在远离中心线的横向方向上较大,使得从平板波导的输入面向输出波导以临界角行进的光在输入平板中反弹相同次数 ,无论其扇出角度如何,以进一步减少图像失真。
    • 5. 发明申请
    • FLAT-PANEL OPTICAL PROJECTION APPARATUS WITH REDUCED DISTORTION
    • 具有减少失真的平板光学投影装置
    • US20120207432A1
    • 2012-08-16
    • US13442332
    • 2012-04-09
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • G02B6/26
    • G02B6/0046G02B6/0028G03B21/28H04N9/3141
    • A light guide of the tapered-waveguide type includes an input slab for expanding a projected image between an input end and an output end; and a tapered output slab arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide is greater in the transverse direction away from the centre line, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion.
    • 锥形波导型光导包括用于在输入端和输出端之间扩展投影图像的输入板; 以及锥形输出板,布置成接收来自输入板的所述输出端的光线,并且在其面上对应于接收光线的角度的点发射它们。 计算锥度,使得注入输入端的所有光线在离开输出面之前经历相同数量的反射。 输入平板导光体的厚度在远离中心线的横向方向上较大,使得从平板波导的输入面向输出波导以临界角行进的光在输入平板中反弹相同次数 ,无论其扇出角度如何,以进一步减少图像失真。
    • 9. 发明申请
    • Flat-Panel Optical Projection Apparatus with Reduced Distortion
    • 具有减少失真的平板光学投影仪
    • US20100091254A1
    • 2010-04-15
    • US12444003
    • 2007-10-02
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • Adrian TravisTimothy Andrew LargeNeil Emerton
    • G03B21/28G02B6/10G03D13/00
    • G02B6/0046G02B6/0028G03B21/28H04N9/3141
    • A light guide of the tapered-waveguide type includes an input slab (30) for expanding a projected image between an input end and an output end (40); and a tapered output slab (10) arranged to receive rays from the said output end of the input slab, and to emit them at a point on its face that corresponds to the angle at which the ray is received. The taper is calculated so that all rays injected into the input end undergo the same number of reflections before leaving the output face. The thickness of the input slab light guide (30) is greater in the transverse direction away from the centre line C, so that light travelling at the critical angle from the input face of the slab waveguide towards the output waveguide (10) bounces the same number of times in the input slab, regardless of its fan-out angle, in order to further reduce image distortion.
    • 锥形波导型光导包括用于在输入端和输出端(40)之间扩展投影图像的输入板(30); 以及锥形输出板(10),其布置成接收来自所述输入板的所述输出端的光线,并且在其面上与所述射线接收的角度对应的点处发射它们。 计算锥度,使得注入输入端的所有光线在离开输出面之前经历相同数量的反射。 输入平板导光体(30)的厚度在远离中心线C的横向方向上较大,使得从平板波导的输入面向输出波导(10)以临界角行进的光反弹 输入板中的次数,而不管其扇出角度,以进一步减少图像失真。