Patent ID: 7969646
Filing Date: 2011-06-28
Classification: C09K,G02F

Abstract:
1. A display system comprising: a medium that is light-emitting upon excitation with light, a light source that provides excitation light directed at said medium, a control device that controls the distribution and the modulation of the excitation light to be directed at said medium, a computer that controls said light source and said control device, said medium being either in contact with at least one light transparent substrate, or said medium being shaped in a desired three-dimensional shape, wherein said medium is configured to up-convert photon energy and comprises at least two components and a matrix in which said at least two components are distributed, wherein said first component and said second component are organic compounds and act as a pair of sensitizer component and corresponding emissive component, respectively, and wherein said first component and said second component are distributed in said matrix which matrix is a solid, a gel or a fluid with a viscosity equal or higher than 0.59×10−3 Pa·s.