Display device, electro-optical device, electric equipment, metal mask, and pixel array
View Patent ↗A metal mask for making a display device. The display device includes a plurality of pixels, each of the pixels including sub-pixels of a first color, a second color, and a third color, the sub-pixels of the first and second colors being color in a column, and the sub-pixel of the third color being in a row with respect to the sub-pixels of the first and second colors. The metal mask forms the sub-pixels of the third color and includes a plurality of first openings in a first column and a plurality of second openings in a second column next to the first column, where each of the first openings has a first side that is directly opposite, in a direction perpendicular to the first column, respective parts of second sides of both of an adjacent pair of the second openings.
1. A display device, comprising
a plurality of main pixels arranged in a matrix,
wherein each of the plurality of main pixels includes one sub-pixel of a first color arranged in a first column, one sub-pixel of a second color arranged adjacent to the sub-pixel of the first color in the first column, and one sub-pixel of a third color arranged in a second column adjacent to the first column,
the sub-pixels of the first color are linearly arranged in a first direction,
the sub-pixels of the second color are linearly arranged in the first direction, the sub-pixels of the third color are arranged in the first direction in a zigzag configuration,
in first and second main pixels adjacent to each other in a second direction different from the first direction, the sub-pixel of the first color of the first main pixel is arranged symmetrical to the sub-pixel of the second color of the second main pixel with respect to a first center line and the sub-pixel of the third color of the first main pixel is arranged symmetrical to the sub-pixel of the third color of the second main pixel with respect to a second center line, and
a position of the first center line is different from a position of the second center line in the second direction.
2. The display device according to claim 1 ,
wherein each of the sub-pixels of the first to third colors includes a transistor which drives the sub-pixel, an anode electrode connected to the transistor, a contact part which connects the transistor with the anode electrode, an element separation membrane formed on the anode electrode, a light emitting material formed so as to cover an opening part which is provided in the element separation membrane and defines a light emitting region of the sub-pixel, and a cathode electrode formed over the light emitting material,
the light emitting region of the sub-pixel of the first color of the first main pixel is arranged symmetrical to the light emitting region of the sub-pixel of the second color of the second main pixel with respect to the first center line, and
the light emitting region of the sub-pixel of the third color of the first main pixel is arranged symmetrical to the light emitting region of the sub-pixel of the third color of the second main pixel with respect to the second center line.
3. The display device according to claim 2 ,
wherein the light emitting material is an organic light emitting material.
4. The display device according to claim 3 ,
wherein the contact part of the sub-pixel of the first color and the contact part of the sub-pixel of the second color in a same main pixel are arranged at positions opposite to each other in the first direction, and
the contact part of the sub-pixel of the third color of the first main pixel and the contact part of the sub-pixel of the third color of the second main pixel are arranged at positions opposite to each other in the second direction.
5. The display device according to claim 4 ,
wherein each of the light emitting regions of the two sub-pixels of the third color includes a concave in a vicinity of the contact part, and
the concave of the sub-pixel of the third color of the first main pixel and the concave of the sub-pixel of the third color of the second main pixel are arranged at positions opposite to each other in the second direction.
6. The display device according to claim 3 ,
wherein the first center line is parallel to the second center line in the first direction.
7. The display device according to claim 1 ,
wherein the first color is a color with a highest luminosity factor and the third color is a color with a lowest luminosity factor.
8. An electro-optical device, comprising a display device according to claim 1 .
9. An electric apparatus, comprising a display device according to claim 1 formed on a flexible substrate.