プロジェクタ装置 - FUJIFILM Corporation

Title:

プロジェクタ装置

Document Type and Number:

Japanese Patent JP5694362

Kind Code:

B2

Abstract:

In an illumination optical system for a DMD type projector, the TIR prism is configured such that a projection line, which is a normal to the total reflection surface vertically projected on the DMD surface, forms an angle other than 90° with a micromirror turning axis, an exit light projection line, which is a principal ray of light beam exits from the total reflection surface vertically projected on the DMD surface, forms an angle of 90° with the micromirror turning axis, and an incident light projection line, which is a principal ray of light beam incident on the total reflection surface vertically projected on the DMD surface, is located on the same side as the exit light projection line with respect to a straight line passing through an end point of the incident light projection line and extending parallel to a long side of the DMD.

Inventors:

Tomoyuki Baba

Application Number:

JP2012541726A

Publication Date:

April 01, 2015

Filing Date:

October 20, 2011

Export Citation:

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