Color photovoltaic (PV) devices formed using interferomet ric stacks tuned to re? ect color
covering the front side or back side of a PV cell, device, panel, or array are disclosed. Inter …

5,356,500 A 10/1994 Scheinbeim et al. 6,545,384 B1 4/2003 Perline et al. 6,664,718 B2
12/2003 Perline et al. 6,781,284 B1 8/2004 Perline et al. 6,812,624 B1 11/2004 Pei et al …

Illumination devices and methods of making same are disclosed. In one embodiment, an
illumination apparatus includes a light source, a light guide having a planar first surface, a …

A light guide device includes a light guide body and two or more pluralities of spaced-apart
slits. The slits are formed by undercuts in the light guide body. Sidewalls of the slits form …

US PATENT DOCUMENTS 2,534,846 A 12/1950 Ambrose et al. 2,590,906 A 4/1952 Tripp
2,677,714. A 5, 1954 Auwarter 3.247, 392 A 4, 1966 Thelen 3,439,973 A 4, 1969 Paul et al …

Certain embodiments include interferometrically tuned pho tovoltaic cells wherein reflection
from interfaces of layered photovoltaic devices coherently sum to produce an increased field …

(57) ABSTRACT SMA actuators and related methods are described. One embodiment of an
actuator includes a base; a plurality of buckle arms; and at least a first shape memory alloy …

F2/8/00(2006.01) In various embodiments described herein, a display device
G09G3/20(2006.01) comprising a light collection film and a photovoltaic device G09G …

An optical device includes a non-transparent substrate. The optical device further includes a
first optical layer which is at least partially transmissive and at least partially reflective to …

US7999993B2 - Reflective display device having viewable display on both sides - Google
Patents US7999993B2 - Reflective display device having viewable display on both sides …