Patent ID: 7980705
Filing Date: 2011-07-19
Classification: G02B

Abstract:
1. A color wheel comprising a plurality of segment areas, wherein the plurality of segment areas include: a segment area in which a coating for transmitting light of a wavelength band of magenta is applied to one side of the segment area, a coating for transmitting light of a wavelength band of red is applied to one part of the other side, and a coating for preventing reflection is applied to the other part of the other side; a segment area in which a coating for transmitting light of a wavelength band of yellow is applied to one side of the segment area, a coating for transmitting light of a wavelength band of green is applied to one part of the other side, and a coating for preventing reflection is applied to the other part of the other side; and a segment area in which a coating for transmitting light of a wavelength band of cyan is applied to one side of the segment area, a coating for transmitting light of a wavelength band of blue is applied to one part of the other side, and a coating for preventing reflection is applied to the other part of the other side.