OPTICAL SYSTEM AND DISPLAY APPARATUS
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United States of America
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Issued Date -
Feb 13, 2025
app pub date -
Aug 8, 2024
filing date -
Aug 8, 2024
priority date (Note) -
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Abstract
An optical system and a display apparatus are provided. The optical system includes: a lens component, a transflective film, a reflective polarization layer, and a phase retardation film. The lens component includes at least two lenses which include a first surface, a second surface, a third surface and a fourth surface sequentially arranged. An absolute value of a curvature radius of the fourth surface is greater than that of the first surface, a ratio of a curvature radius of the third surface to that of the fourth surface is 0.3 to 0.8, and an absolute value ratio of a conic constant of the third surface to that of the fourth surface is no greater than 0.2.
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