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L‐8: Late‐News Paper : Micro‐Projectors for Virtual Interfaces
Author(s) -
Lieberman Klony,
Sharon Yuval,
Naimi Eyal
Publication year - 2006
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1889/1.2433328
Subject(s) - monochrome , oblique case , mobile device , computer science , optics , computer graphics (images) , interface (matter) , virtual image , virtual reality , projection (relational algebra) , physics , artificial intelligence , philosophy , linguistics , bubble , algorithm , maximum bubble pressure method , parallel computing , operating system
Virtual interfaces, particularly those incorporated into mobile devices, require projectors able to project large images at short throw distances and strongly oblique angles. These projectors must also be highly efficient and small enough to allow integration into battery powered handheld devices. Static laser based monochrome projection modules using diffractive optics will be presented. These micro modules, measuring as little as 6 mm in diameter can project well focused images at variable distances into opening angles greater than 110 degrees. The use of diffractive components provides unsurpassed optical efficiency in smallest possible form factor. We also present miniature LCD based projectors optimized to project dynamic images onto a nearby surface at oblique angles of 45 degrees or greater. Design considerations and optimizations for virtual interface application will be discussed.