CPC G02B 5/0841 (2013.01) [B32B 9/007 (2013.01); B32B 9/045 (2013.01); B32B 27/06 (2013.01); F28F 3/08 (2013.01); G02B 5/285 (2013.01)] | 7 Claims |
1. A reflective stack, comprising:
a first polymeric multilayer reflector having a major surface;
a heat spreading layer disposed on the major surface of the first polymeric multilayer reflector; and
a second polymeric multilayer reflector disposed on the heat spreading layer opposite the first polymeric multilayer reflector;
wherein the first polymeric multilayer reflector has a first thickness and the second polymeric multilayer reflector has a second thickness, and the first thickness and the second thickness are within 5% of each other, and wherein, from a plan view, each of the first and second polymeric multilayer reflectors is larger than the heat spreading layer.
|