Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2005-03-08
2005-03-08
Dang, Hung Xuan (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
Reexamination Certificate
active
06865010
ABSTRACT:
The invention features a reflective display device and a method of making a reflective display device that has reduced light loss and/or pixel cross talk due to internal reflection. The device includes a window layer, a plurality of reflective particles, a material portion disposed between the window layer and the plurality of reflective particles, and a refractive layer disposed between the window and the material portion. The plurality of reflective particles scatters light received from the ambient environment. The window layer has an index of refraction that is greater than an index of refraction of the ambient environment. The refractive layer has an index of refraction that is less than the index of refraction of the window layer and less than an index of refraction of the material portion.
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Duthaler Gregg
Pullen Anthony
E Ink Corporation
Testa Hurwitz & Thibeault LLP
Tra Tuyen
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