Quantum Dot White and Colored Light Emitting Devices
4 Assignments
0 Petitions
Accused Products
Abstract
A light-emitting device comprising a population of quantum dots (QDs) embedded in a host matrix and a primary light source which causes the QDs to emit secondary light and a method of making such a device. The size distribution of the QDs is chosen to allow light of a particular color to be emitted therefrom. The light emitted from the device may be of either a pure (monochromatic) color, or a mixed (polychromatic) color, and may consist solely of light emitted from the QDs themselves, or of a mixture of light emitted from the QDs and light emitted from the primary source. The QDs desirably are composed of an undoped semiconductor such as CdSe, and may optionally be overcoated to increase photoluminescence.
-
Citations
17 Claims
-
1. (canceled)
-
2. A light emitting device comprising:
-
a primary light source; and a glass tube in optical communication with the primary light source and comprising a solid matrix including a plurality of quantum dots dispersed therein which quantum dots are adapted to convert light from the light source to a single color, a mixed color or white light. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
-
Specification