OPTICAL ELEMENT AND IMAGING APPARATUS

OPTICAL ELEMENT AND IMAGING APPARATUS

PROBLEM TO BE SOLVED: To suppress unevenness in optical characteristics due to a difference in the ray input angle and suppress deterioration of optical characteristics.SOLUTION: There is provided an optical element in which light with a large principal ray input angle is gradually input from a cent...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TSUJI TAKUMI, YAGI KAZUMASA, NAKATSUJI TATSUYA, KONISHIIKE ISAMU, ANDO MASAKI, KURIYAMA AKITO, OTSU KEISUKE, NAKANISHI HITOSHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To suppress unevenness in optical characteristics due to a difference in the ray input angle and suppress deterioration of optical characteristics.SOLUTION: There is provided an optical element in which light with a large principal ray input angle is gradually input from a center to a peripheral portion, a thickness gradually increases from the center to the peripheral portion, and 1