Patterned glass light guide and display device comprising the same

[0021] Disclosed herein is a display device comprising a thin film transistor (TFT) and at least one glass lightguide having a first surface, an opposing second surface, and at least one edge, wherein the first first surface is patterned with a plurality of color conversion elements. The surface, wherein the second surface is optionally patterned with a plurality of light extraction features and / or color conversion elements, and wherein the coefficient of thermal expansion (CTE) of the light guide can be substantially similar to the CTE of the TFT.

[0022] Also disclosed herein is a glass lightguide comprising a first surface, an opposing second surface, and at least one edge, wherein the first surface is patterned with a plurality of color converters capable of emitting white light, and wherein, The second surface is optionally patterned with a plurality of light extraction features and / or phosphors capable of emitting white light. Further disclosed herein is a transparent