Projection display

Abstract

The present disclosure relates to a projection display, wherein the projection display comprises a support on which a projector lens array with a plurality of projector lenses is arranged, wherein on a side of the support facing away from the projector lens array, an object structure array with a plurality of object structures is arranged, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form a full image.

1 . A projection display comprising:
 a transparent support;   a projector lens array with a plurality of projector lenses arranged on the transparent support;   an object structure array arranged on the transparent support on a side of the support facing away from the projector lens array, the object structure array comprising a plurality of essentially identical object structures, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form an overall image; and   an illumination layer for illuminating the object structures, the illumination layer being arranged on the object structure array such that the object structure array being between the transparent support and the illumination layer, wherein the illumination layer comprises a first electrode, a second electrode, and a light-emitting layer arranged between the first electrode and the second electrode, and wherein the first electrode is a transparent electrode, wherein the light-emitting layer comprises a first region with a light-emitting material and a second region with a low-index material comprising an index of refraction that is smaller than the index of refraction of the light-emitting material, wherein the second region is arranged adjacent to the first region in a multiply repeating manner, wherein the low-index material forms a grid that is oriented in a plane parallel to the first electrode.   
     
     
         2 . The projection display of  claim 1 , wherein the low-index material forms a regular grid, and wherein the mean distance between grid lines is not more than five times the mean width of the grid lines. 
     
     
         3 . The projection display of  claim 2 , wherein the grid comprises a periodicity that is higher than the wavelength of visible light. 
     
     
         4 . The projection display of  claim 1 , wherein the low-index material forms a honeycomb structure. 
     
     
         5 . The projection display of  claim 1 , wherein the illumination layer is adjacent to the object structure array. 
     
     
         6 . The projection display of  claim 5 , wherein the low-index material forms an irregular grid. 
     
     
         7 . The projection display of  claim 6 , wherein the width of the first regions is reduced in a certain direction. 
     
     
         8 . The projection display of  claim 1 , wherein the width of the first regions is reduced in a certain direction. 
     
     
         9 . The projection display of  claim 1 , wherein the second regions are embedded in the first region. 
     
     
         10 . The projection display of  claim 9 , wherein the second regions are conical. 
     
     
         11 . The projection display of  claim 1 , wherein opaque intermediate elements are arranged between the object structures in a direction facing the first electrode. 
     
     
         12 . The projection display of  claim 11 , wherein the second electrode is a reflective electrode. 
     
     
         13 . A projection display comprising:
 a transparent support;   a projector lens array with a plurality of projector lenses arranged on the transparent support, the projector lens array comprising a plurality of projector lenses;   an object structure array arranged on the transparent support on a side of the support facing away from the projector lens array, the object structure array comprising a plurality of essentially identical object structures, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form an overall image; and   an illumination layer for illuminating the object structures, wherein the illumination layer comprises a first electrode, a second electrode, and light-emitting layer sections arranged between the first electrode and the second electrode, wherein the first electrode is a transparent electrode, and wherein the illumination layer is arranged on the object structure array, wherein the light-emitting layer comprises a first region with a light-emitting material and a second region with a low-index material comprising an index of refraction that is smaller than the index of refraction of the light-emitting material, and wherein the low-index material forms a grid that is oriented in a plane parallel to the first electrode.   
     
     
         14 . The projection display of  claim 13 , wherein the low-index material forms a regular grid. 
     
     
         15 . The projection display of  claim 14 , wherein the grid comprises a periodicity that is higher than the wavelength of visible light. 
     
     
         16 . The projection display of  claim 15 , wherein the low-index material forms a honeycomb structure. 
     
     
         17 . The projection display of  claim 14 , wherein the mean distance between grid lines is not more than three times the mean width of the grid lines. 
     
     
         18 . The projection display of  claim 13 , wherein the low-index material forms an irregular grid that is oriented in a plane parallel to the first electrode. 
     
     
         19 . The projection display of  claim 13 , wherein the width of the first regions is reduced in a certain direction for a majority of light-emitting layer sections such that the light distribution or light intensity is predistorted optically for each channel comprised often object structure and the corresponding projection lens to ensure, with a projection onto an oblique surface, a uniform illumination. 
     
     
         20 . A projection display comprising:
 a microprojector, and   a light source for illuminating the microprojector; the microprojector comprising:   a transparent support;   a projector lens array with a plurality of projector lenses arranged on the transparent support, the projector lens array comprising a plurality of projector lenses;   an object structure array arranged on the transparent support on a side of the support facing away from the projector lens array, the object structure array comprising a plurality of essentially identical object structures, wherein at least one projector lens is associated with one object structure, such that the projections of the object structures superpose through the projector lenses to form an overall image; and   a condenser lens layer arranged on the object structures, into which layer condenser lenses embossed.   
     
     
         21 . The projection display of  claim 20 , wherein the condenser lens layer comprises flat regions between embossed condenser lenses. 
     
     
         22 . The projection display of  claim 21 , wherein the condenser lens layer is adjacent to the object structure array. 
     
     
         23 . The projection display of  claim 21 , wherein the condenser lens layer being an UV-molded layer.