Multi-lens lenticular system and lighting device for an autostereoscopic display
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United States of America Patent
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app pub date -
Feb 9, 2005
filing date -
Jul 9, 2004
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Abstract
The invention relates to a multi-lens lenticular system and a lighting device for an autostereoscopic display. Said display comprises, in the direction of light, an illuminating matrix (7), a focusing matrix (8), and a transmissive data panel (5). The illuminating matrix is provided with a plurality of light-penetrated controllable openings (21). The focusing matrix (8) focuses the light of said openings (21) in such a way that the data panel (5) and a preferred visible zone (6) are illuminated in a directed manner while being composed of a multi-lens lenticular system (LM) whose lenticles (L) are structured into several subordinate lenticles (S1, S2, . . . ). The subordinate lenticles are arranged such that a multiple number of images having an associated enlarged brightness distribution (V) ranging from (A) to (C') is created in the visible zone (6) by the light of an opening (21) while the resulting images of laterally adjoining openings (21) overlap in the edge regions thereof, thus creating a nearly homogeneous brightness distribution (V). The homogeneous brightness visibly increases the quality of the image for the viewer.
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