a display device consisting of a multi - color light emitting layer and method of depositing the multi - color light emitting layer over a glass substrate are provided . the display device consists of multiple light emitting materials deposited over a glass substrate in coplanar relationship to each other . the method provides depositing one light emitting polymer material over one portion of the glass substrate and depositing other light emitting polymer materials over other portions of the glass substrate , such that the multiple light emitting polymer materials are deposited in a coplanar relationship to each other . the light emitting polymer materials are deposited using flexographic mats , the relief portion of which have patterns corresponding to the respective portions of the glass substrate being covered by the light emitting polymer materials being deposited .