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    • 1. 发明专利
    • THREE DIMENSIONAL DISPLAY APPARATUS
    • GB2206763A
    • 1989-01-11
    • GB8816456
    • 1988-07-11
    • TRAVIS ADRIAN ROBERT LEIGH
    • TRAVIS ADRIAN ROBERT LEIGH
    • H04N13/04H04N13/00
    • A display video apparatus which provides a three dimensional image broadly comprises a backlighting apparatus for projecting beams of light in selected directions, a spatial light modulator for displaying images back-lit by the back-lighting apparatus, and a control system coupled to both the spatial light modulator and the backlighting apparatus. The control system causes a plurality of images of an object to be formed in succession on the spatial light modulator with each image being a view of the subject from a different angle, and each image being viewable only from particular angles. The images are formed one at a time on the spatial light modulator with a plurality of images constituting a single frame of a video picture. The backlighting apparatus preferably includes a two dimensional display device for emitting spots of light at selected locations along the two dimensional display, and a lens system for refracting light emitted by the two dimensional display device. The lens system can comprise a single lens or an array of lenses located between the two dimensional display and the spatial light modulator. The lens or lens array refracts beams emanating from a spot of light on the two dimensional display into substantially parallel rays.
    • 3. 发明专利
    • Three dimensional display apparatus
    • HK61295A
    • 1995-05-05
    • HK61295
    • 1995-04-27
    • TRAVIS ADRIAN ROBERT LEIGH
    • TRAVIS ADRIAN ROBERT LEIGH
    • H04N13/04H04N13/00
    • A display video apparatus which provides a three dimensional image broadly comprises a backlighting apparatus for projecting beams of light in selected directions, a spatial light modulator for displaying images back-lit by the back-lighting apparatus, and a control system coupled to both the spatial light modulator and the backlighting apparatus. The control system causes a plurality of images of an object to be formed in succession on the spatial light modulator with each image being a view of the subject from a different angle, and each image being viewable only from particular angles. The images are formed one at a time on the spatial light modulator with a plurality of images constituting a single frame of a video picture. The backlighting apparatus preferably includes a two dimensional display device for emitting spots of light at selected locations along the two dimensional display, and a lens system for refracting light emitted by the two dimensional display device. The lens system can comprise a single lens or an array of lenses located between the two dimensional display and the spatial light modulator. The lens or lens array refracts beams emanating from a spot of light on the two dimensional display into substantially parallel rays.
    • 6. 发明专利
    • THREE DIMENSIONAL DISPLAY APPARATUS
    • GB2206763B
    • 1991-07-31
    • GB8816456
    • 1988-07-11
    • TRAVIS ADRIAN ROBERT LEIGH
    • TRAVIS ADRIAN ROBERT LEIGH
    • H04N13/04H04N13/00
    • A display video apparatus which provides a three dimensional image broadly comprises a backlighting apparatus for projecting beams of light in selected directions, a spatial light modulator for displaying images back-lit by the back-lighting apparatus, and a control system coupled to both the spatial light modulator and the backlighting apparatus. The control system causes a plurality of images of an object to be formed in succession on the spatial light modulator with each image being a view of the subject from a different angle, and each image being viewable only from particular angles. The images are formed one at a time on the spatial light modulator with a plurality of images constituting a single frame of a video picture. The backlighting apparatus preferably includes a two dimensional display device for emitting spots of light at selected locations along the two dimensional display, and a lens system for refracting light emitted by the two dimensional display device. The lens system can comprise a single lens or an array of lenses located between the two dimensional display and the spatial light modulator. The lens or lens array refracts beams emanating from a spot of light on the two dimensional display into substantially parallel rays.
    • 8. 发明申请
    • FLAT-PANEL LENS AND PRISM
    • 平板镜头和镜头
    • WO2006082444A3
    • 2006-10-26
    • PCT/GB2006000420
    • 2006-02-06
    • CAMBRIDGE FLAT PROJECTIONTRAVIS ADRIAN ROBERT LEIGH
    • TRAVIS ADRIAN ROBERT LEIGH
    • G02B6/00F21V8/00G02B5/04G02B27/09
    • G02B6/0046G02B6/0011G02B6/0053G02B27/0994Y10S385/901
    • A light guide with input and output faces (2, 3a) is polar- symmetric about the first face (2) and has optical properties such that the angle at which a ray is injected into the first face determines the position at which it leaves the second face (3a) . The light guide includes a tapered transparent sheet (3) , light from the first -.face entering at the thick end of this sheet, and the second face forming one face of the tapered sheet. An input /output slab (4) adjoins the tapered sheet (3) for fan-out of light from the first face (2) to the tapered sheet, and a transition region (8) is located between flat and tapered sheets. Preferably the light guide further includes a prism device (20) for folding the light so that the flat and tapered sheets can be folded over each other. A method of making such a prism is also disclosed.
    • 具有输入和输出面(2,3a)的导光体围绕第一面(2)极性对称,并且具有光学性质,使得射线注入第一面的角度决定了离开第一面 第二面(3a)。 导光体包括锥形透明片(3),从该片的厚端进入的第一面的光和形成该锥形片的一个面的第二面。 输入/输出板(4)与锥形片(3)相邻,用于从第一面(2)到锥形片扇出光,并且过渡区(8)位于扁平片和锥形片之间。 优选地,光导还包括用于折叠光的棱镜装置(20),使得扁平和锥形片材可以彼此折叠。 还公开了制造这种棱镜的方法。