| 摘要 |
An optical projection type display apparatus wherein the first MLA forming the integrator optical system is arranged integrally at the light emitting part of the reflecting and condensing mirror so as to function as a surface plate so that the distance between the effective reflecting part of the reflecting and condensing mirror and the first MLA can be shortened. In addition, being formed integral to function as a surface plate of the reflecting and condensing mirror, the number of optical elements is reduced by one.
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