Display substrate, display panel and display device

Abstract

A display substrate, a display panel, and a display device. The display substrate includes a substrate, and a plurality of polygonal pixels arranged in an array on the substrate. Each polygonal pixel includes a plurality of sub-pixels and a photoelectric sensor. An orthographic projection of the plurality of sub-pixels on the substrate and an orthogonal projection of the photoelectric sensor on the substrate do not overlap with each other. The display substrate, the display panel and the display device of the embodiments of the present disclosure can maximize the collection of optical signals, thereby improving the efficiency of the photoelectric sensor and the accuracy of a fingerprint identification in certain applications.

What is claimed is: 
     
         1 . A display substrate, comprising:
 a substrate and a plurality of polygonal pixels arranged in an array on the substrate;   wherein each polygonal pixel comprises:
 a plurality of sub-pixels, and 
 a photoelectric sensor; 
   wherein an orthographic projection of the plurality of sub-pixels on the substrate and an orthogonal projection of the photoelectric sensor on the substrate does not overlap with each other.   
     
     
         2 . The display substrate according to  claim 1 , wherein in each polygonal pixel, the plurality of sub-pixels are disposed on a periphery of the polygonal pixel, and an edge of each sub-pixel at a periphery of the polygonal pixel overlaps with an edge of the polygonal pixel. 
     
     
         3 . The display substrate according to  claim 2 , wherein a shape of the sub-pixel is a triangle or an isosceles trapezoid. 
     
     
         4 . The display substrate according to  claim 2 , wherein in each polygonal pixel, an edge of each sub-pixel near a center of the polygonal pixel has an arc shape, and an arcing direction of the arc shape departs from the center of the polygonal pixel. 
     
     
         5 . The display substrate according to  claim 1 , wherein each polygonal pixel further comprises three sub-pixels of different colors, and a shape of the polygonal pixels is a hexagon. 
     
     
         6 . The display substrate according to  claim 5 , wherein the three sub-pixels of different colors in each polygonal pixel correspond to a first edge, a third edge, and a fifth edge of the hexagon respectively. 
     
     
         7 . The display substrate according to  claim 1 , wherein each polygonal pixel further comprises four sub-pixels of different colors, and a shape of the polygonal pixels is an octagon. 
     
     
         8 . The display substrate according to  claim 7 , wherein the four sub-pixels of different colors in each polygonal pixel correspond to a first edge, a third edge, a fifth edge, and a seventh edge of the octagon, respectively. 
     
     
         9 . The display substrate according to  claim 1 , wherein the photoelectric sensor and the plurality of sub-pixels are disposed in different layers of the substrate, and the plurality of sub-pixels are closer to a light exit side of the display substrate than is the photoelectric sensor. 
     
     
         10 . The display substrate according to  claim 1 , wherein the photoelectric sensor is a photodiode. 
     
     
         11 . The display substrate according to  claim 1 , wherein the sub-pixel is a light emitting device. 
     
     
         12 . A display panel, comprising the display substrate according to  claim 1 . 
     
     
         13 . The display panel according to  claim 12 , wherein in each polygonal pixel, the plurality of sub-pixels are disposed on a periphery of the polygonal pixel, and an edge of each sub-pixel at a periphery of the polygonal pixel overlaps with an edge of the polygonal pixel. 
     
     
         14 . The display panel according to  claim 13 , wherein a shape of the sub-pixels is a triangle or an isosceles trapezoid. 
     
     
         15 . The display panel according to  claim 13 , wherein in each polygonal pixel, an edge of each sub-pixel near a center of the polygonal pixel has an arc shape, and an arcing direction of the arc shape departs from the center of the polygonal pixel. 
     
     
         16 . The display panel according to  claim 12 , wherein each polygonal pixel includes three sub-pixels of different colors, and a shape of the polygonal pixels is a hexagon. 
     
     
         17 . The display panel according to  claim 16 , wherein the three sub-pixels of different colors in each polygonal pixel correspond to a first edge, a third edge, and a fifth edge of the hexagon, respectively. 
     
     
         18 . The display panel according to  claim 12 , wherein each polygonal pixel includes four sub-pixels of different colors, and a shape of the polygonal pixels is an octagon. 
     
     
         19 . The display panel according to  claim 18 , wherein the four sub-pixels of different colors in each polygonal pixel correspond to a first edge, a third edge, a fifth edge, and a seventh edge of the octagon, respectively. 
     
     
         20 . A display device, comprising the display panel according to  claim 12 .