OPTICAL SYSTEM AND IMAGE DISPLAY APPARATUS
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United States of America
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Issued Date -
Nov 28, 2024
app pub date -
May 16, 2024
filing date -
May 16, 2024
priority date (Note) -
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status (Latency Note)
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Abstract
An optical system configured to guide light from a display element to an observation side includes a first lens having a first half-transmissive reflective surface provided to a surface on a display element side of the first lens, and a second lens having a second half-transmissive reflective surface. The light from the display element transmits through the second half-transmissive reflective surface, is reflected on the first half-transmissive reflective surface, is reflected on the second half-transmissive reflective surface, transmits through the first half-transmissive reflective surface, and is guided to the observation side. One of the first lens, the second lens, and another lens has negative refractive power. The first lens has a concave surface facing the observation side. A predetermined inequality is satisfied.
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