REFLECTIVE COLOR FILTER
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United States of America Patent
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Issued Date -
Aug 21, 2014
app pub date -
May 31, 2011
filing date -
May 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A reflective color filter comprises a medium grating layer (220), a metal layer (230), and a first medium layer (240). The metal layer is provided on the ridge portion, at least one side portion, and a part of the groove portion of the medium grating layer. The first medium layer reflecting outside light is provided on the medium grating layer and the metal layer. Because a part of the medium grating layer is exposed through an opening of the metal layer on the groove portion, the angular sensitivity of the resonance output is reduced, and the influence of the incident angle on the resonance condition is diminished. Therefore, a reflection filtering can be realized in a wide angular area.
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