《自然》[Nature]13年3月21日出版pdf全文

nero1981

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Glasses-free three-dimensional (3D) displays could ( t. J6 }  z/ ^2 c% j
revolutionize areas such as data visualization, medical training and * g8 p5 u6 _; b9 W: g( G
entertainment, particularly if adapted to mobile devices. Holography can provide
! Z6 v2 P; s# [: M% A) [( Bideal 3D viewing but is too slow or expensive for many applications. Multiview # b0 h& j5 I6 x7 X* j
approaches are the alternative, exploiting various geometric optical tricks to
6 s4 _. v- L7 w: f. _" w, @create 3D images that can be viewed from many directions at the same time. A team working at Hewlett-Packard’s laboratories in Palo Alto : Z: b9 M6 h' q3 Z2 L) Z: ?
has developed a new multiview 3D display that is particularly well suited to 3 T& O4 x* \5 R0 D' U  p0 @% |
mobile devices, which require thin displays with high spatial resolution and a " ]) ^8 c% B% N# I" {) M# ~. [6 ]" E
wide-angle view zone. Central to the new device is a set of directional grating
- A" q) |/ n9 [6 X$ O% {6 H* V- ?3 ^pixels, associated with different views and colours, etched on the backlight / g' l0 g9 O) C: {( S  m
surface. The display uses an LED-lit backlight very similar to those in use in
! J5 D( @* N  G$ iLCD screens today, and is demonstrated in action in transparent hand-held % t* L* s3 @0 i
prototypes showing animated sequences of up to six different 200-view images at ( G0 ^( p7 v0 O. ~+ I) W$ Z. m
a resolution of 127 pixels per inch. The cover image represents a 3D image from
+ c, A; [8 [  }2 T: R( B; wa passively modulated backlight. / O5 E5 i7 s  H( m+ [  L

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懵懂干细胞

多谢了

luckymiaoji

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yahyo

支持

markllq

多谢啦
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mmh0221

谢谢

remax520

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realff

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weiyepan

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xuguofeng

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