Source: http://www.google.com/patents/US7880954?dq=7,172,682
Timestamp: 2017-12-16 15:10:55
Document Index: 71753171

Matched Legal Cases: ['Application No. 2005', 'Application No. 0525638', 'Application No. 05255715', 'Application No. 2005101028024', 'Application No. 2005101028024', 'Application No. 05', 'Application No. 2005', 'Application No. 2007', 'Application No. 2006135114', 'Application No. 094106671', 'Application No. 1', 'Application No. 05255703', 'Application No. 05255703']

Patent US7880954 - Integrated modulator illumination - Google Patents
A spatial light modulator includes an array of elements to modulate light in accordance with image data. The modulator has a display panel having first and second surfaces arranged adjacent to the array of elements such that the second surface is directly adjacent the array of elements to allow a viewer...http://www.google.com/patents/US7880954?utm_source=gb-gplus-sharePatent US7880954 - Integrated modulator illumination
Publication number US7880954 B2
Application number US 11/417,808
Also published as EP1730572A1, EP1730572B1, EP2261720A1, US7706050, US8169689, US20050195468, US20060198013, US20110122479, US20120206788, WO2005093490A1
Publication number 11417808, 417808, US 7880954 B2, US 7880954B2, US-B2-7880954, US7880954 B2, US7880954B2
Inventors Jeffrey B. Sampsell
Patent Citations (564), Non-Patent Citations (125), Referenced by (47), Classifications (11), Legal Events (5)
Integrated modulator illumination
US 7880954 B2
wherein said at least one reflecting element has a size below the resolution of a human eye.
Light injected into the transparent substrate will be internally reflected in the substrate. Without dots or some other perturbing surface structure this light will continue to traverse the substrate. With the use of illumination dots, the dot pattern can create uniform illumination. Various schemes can be applied to vary spacing in a regular way across the face of the transparent substrate to create uniform light emission, such as those shown in FIGS. 3 b and 3 c.
In FIG. 3 b, the dot pattern is varied, but in a regular fashion, referred to here as a regular and varied pattern. The dot pattern of FIG. 3 a is shown in dotted lines for comparison. As can be seen, each row, such as the one including element 302 is displaced from its previous position with a uniform variation. In the particular example of FIG. 3 b, the first row varies ‘forward’ a particular distance from the previous position, and the second row varies a similar distance ‘backwards.’ This is just one example of a varied pattern with regular variation. FIG. 3 c, in comparison not only employs variation but also includes spatial dithering as well, for a regular, varied and dithered pattern.
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U.S. Classification 359/292, 359/290
International Classification F21V8/00, G02B26/02, G02B26/00
Cooperative Classification G02B26/001, G02B6/0043, G02B6/0055
European Classification G02B6/00L6O4P4, G02B26/00C, G02B6/00L6O8R
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