Super‐short‐focus front projector with aspheric‐mirror projection optical system | Zendy

Ogawa Jun | Zendy; Agata Kazuhiro | Zendy; Sakamoto Mikio | Zendy; Urano Kunihiko | Zendy; Matsumoto Takayuki | Zendy

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Super‐short‐focus front projector with aspheric‐mirror projection optical system

Author(s) -

Ogawa Jun,

Agata Kazuhiro,

Sakamoto Mikio,

Urano Kunihiko,

Matsumoto Takayuki

Publication year - 2005

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.2012592

Subject(s) - focus (optics) , projector , citation , front (military) , projection (relational algebra) , computer science , physics , world wide web , optics , artificial intelligence , algorithm , meteorology

— We have developed a new front projector with a super‐short projection distance of 0.65 m at 100 in. We installed a newly developed reflective‐type projection optical system in this projector, which was composed of only four aspheric mirrors that were free of color aberrations. Using this new system and a single‐chip DMD™, we projected a picture that had excellent sharpness and high contrast from 40 to 100 in. This paper describes the principles, design, and characteristics of the new WT600™ front projector.

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