Display device, method of laying out light emitting elements, and electronic device

Abstract

Disclosed herein is a display device in which light emitting elements of a plurality of colors including a light emitting element emitting blue light are formed in each pixel on a substrate on which a transistor is formed for each sub-pixel, and a plurality of pixels formed with sub-pixels of the plurality of colors as a unit are arranged in a form of a matrix, wherein relative positional relation between transistors of sub-pixels of respective light emission colors including blue light and a light emitting section of a light emitting element emitting the blue light is laid out such that distances between the transistors of the sub-pixels of the respective light emission colors including the blue light and the light emitting section of the light emitting element emitting the blue light are equal to each other for the respective colors.

What is claimed is: 
     
         1 . A display device comprising:
 a first light emitting section configured to emit a first light;   a second light emitting section configured to emit a second light;   a third light emitting section configured to emit a third light;   a first subpixel circuit configured to drive the first light emitting section, and including a first drive transistor;   a second subpixel circuit configured to drive the second light emitting section, and including a second drive transistor; and   a third subpixel circuit configured to drive the third light emitting section, and including a third drive transistor,   wherein:   the first drive transistor, the second drive transistor and the third drive transistor are arranged in a column direction,   a center of the first light emitting section is arranged on a first side of the first, second and third drive transistors,   a center of the second light emitting section and a center of the third light emitting section are arranged on a second side opposite to the first side of the first, second and third drive transistors,   a first distance from the first drive transistor to the center portion of the first light emitting section is different from a second distance from the second drive transistor to the center portion of the second light emitting section and a third distance from the third drive transistor to the center portion of the third light emitting section, and   the first light, the second light and the third light are different respectively.   
     
     
         2 . The display device according to  claim 1 , wherein the first, second, and third subpixel circuits are arranged in the column direction. 
     
     
         3 . The display device according to  claim 1 , wherein the first light is blue, the second light is red and the third light is green. 
     
     
         4 . The display device according to  claim 1 , wherein shapes of the second light emitting section and the third light emitting section are same. 
     
     
         5 . The display device according to  claim 1 , wherein each of the first, second, and third subpixel circuits further includes a light emission control transistor, a first switching transistor, a first capacitance and.   
     
     
         6 . The display device according to  claim 1 , wherein the light emission control transistor is connected between a first terminal of the driving transistor and a voltage line, and a first terminal of the first switching transistor is connected to a first terminal of the driving transistor. 
     
     
         7 . The display device according to  claim 1 , wherein a first shape of the first light emitting section is different from a second shape of the second light emitting section and a third shape of the third light emitting section. 
     
     
         8 . The display device according to  claim 7 , wherein the second shape and the third shape are same. 
     
     
         9 . The display device according to  claim 1 , wherein the first light emitting section overlaps with the first, second, and third subpixel circuits.