PROJECTION DEVICE AND OPTICAL ELEMENT

PROBLEM TO BE SOLVED: To provide a projection device capable of displaying a high quality image.SOLUTION: A projection device includes: an optical element 30 on which a lens array is formed by two-dimensionally arranging microlenses 31; and a light source that emits a laser beam projected onto the o...

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Bibliographic Details
Main Authors MIYASAKA KOJI, OI YOSHIHARU
Format Patent
LanguageEnglish
Published 06.02.2014
Subjects
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Abstract PROBLEM TO BE SOLVED: To provide a projection device capable of displaying a high quality image.SOLUTION: A projection device includes: an optical element 30 on which a lens array is formed by two-dimensionally arranging microlenses 31; and a light source that emits a laser beam projected onto the optical element 30. The laser beam projected onto the optical element 30 passes through the optical element 30 and is reflected by a partial reflection plate, and an image reflected by the partial reflection plate is visually observed. A width d of a boundary region 31a between the microlenses 31 is equal to or less than 2 μm.
AbstractList PROBLEM TO BE SOLVED: To provide a projection device capable of displaying a high quality image.SOLUTION: A projection device includes: an optical element 30 on which a lens array is formed by two-dimensionally arranging microlenses 31; and a light source that emits a laser beam projected onto the optical element 30. The laser beam projected onto the optical element 30 passes through the optical element 30 and is reflected by a partial reflection plate, and an image reflected by the partial reflection plate is visually observed. A width d of a boundary region 31a between the microlenses 31 is equal to or less than 2 μm.
Author MIYASAKA KOJI
OI YOSHIHARU
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Snippet PROBLEM TO BE SOLVED: To provide a projection device capable of displaying a high quality image.SOLUTION: A projection device includes: an optical element 30...
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SubjectTerms OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
Title PROJECTION DEVICE AND OPTICAL ELEMENT
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