TRANSREFLECTORS, TRANSREFLECTOR SYSTEMS AND DISPLAYS AND METHODS OF MAKING TRANSREFLECTORS
First Claim
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1. An optical assembly comprising:
- a hollow backlight having a first side, a second side superimposed on the first side, and at least one light input edge;
at least one light source positioned adjacent to the at least one light input edge, the at least one light source being quite small in relation to a length and width of the optical assembly, the light from the at least one light source being transmitted in the hollow backlight;
a back reflector positioned at or in close proximity to the first side of the hollow backlight for reflecting the light through the hollow backlight and out through the second side; and
a reflective polarizer positioned at or in close proximity to the second side of the hollow backlight.
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Abstract
Optical assembly includes a hollow backlight having at least one light input edge and at least one light source positioned adjacent to the at least one light input edge. A back reflector is positioned at or in close proximity to a first side of the hollow backlight for reflecting the light through the hollow backlight and out through a second side of the hollow backlight superimposed on the first side, and a reflective polarizer is positioned at or in close proximity to the second side of the backlight.
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Citations
27 Claims
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1. An optical assembly comprising:
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a hollow backlight having a first side, a second side superimposed on the first side, and at least one light input edge; at least one light source positioned adjacent to the at least one light input edge, the at least one light source being quite small in relation to a length and width of the optical assembly, the light from the at least one light source being transmitted in the hollow backlight; a back reflector positioned at or in close proximity to the first side of the hollow backlight for reflecting the light through the hollow backlight and out through the second side; and a reflective polarizer positioned at or in close proximity to the second side of the hollow backlight. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification