| CPC H10K 59/353 (2023.02) [G09G 3/3266 (2013.01); G09G 3/3275 (2013.01); H10K 59/122 (2023.02); H10K 59/131 (2023.02); G09G 2300/0842 (2013.01); H10K 59/1201 (2023.02)] | 17 Claims |
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1. A display substrate, comprising:
a base substrate; and
a plurality of sub pixels on the base substrate,
wherein the plurality of sub pixels comprises:
a first metal layer on the base substrate, the first metal layer comprising a plurality of first power supply lines;
a first planarization layer on a side of the first metal layer distal to the base substrate;
a first electrode layer on a side of the first planarization layer distal to the first metal layer and provided with a plurality of first electrodes spaced apart from each other; and
a pixel defining layer on a side of the first electrode layer distal to the first planarization layer, and having a plurality of apertures which are in a one-to-one correspondence with the plurality of first electrodes and make the plurality of first electrodes exposed, the plurality of apertures being provided corresponding to sub pixels of at least two different colors, and
wherein orthographic projections of the plurality of apertures corresponding to the sub pixels of at least two different colors on the base substrate each are divided by the orthographic projections of the plurality of first power supply lines on the base substrate into a first portion at a first side of one corresponding power supply line of the plurality of first power supply line and a second portion at a second side of the one corresponding first power supply line of the plurality of first power supply lines, and for the sub pixels of the at least two different colors, a first area ratio is a ratio between areas of the first portions of the orthographic projections of the apertures of the sub pixels of the at least two different colors on the base substrate, a second area ratio is a ratio between areas of the second portions of the orthographic projections of the apertures of the sub pixels of the at least two different colors on the base substrate, and a ratio between the first area ratio and the second area ratio is in a range from 0.8 to 1.2;
wherein the sub pixels of the at least two different colors comprise first sub pixels of a first color,
the plurality of first power supply lines extend in a first direction, the first portion and the second portion are arranged at two sides of one corresponding first power supply line in a second direction respectively, the first direction crosses over the second direction,
the plurality of first power supply lines comprise first sub power supply lines in parallel with each other, orthographic projections of corresponding apertures of the first sub pixels are divided by orthographic projections of the first sub power supply lines on the base substrate into the first portions and the second portions, respectively,
the first sub power supply line comprises a first repeating part and a second repeating part which are coupled to each other and are combined as a repeating unit, the first repeating part and the second repeating part extend along the first direction and have different line widths in the second direction, the orthogonal projection of the aperture of the first sub pixel on the base substrate overlaps with the orthogonal projections of the first repeating part and the second repeating part of a corresponding first sub power supply line on the base substrate, and an overlapping area of the orthogonal projection of the aperture of the first sub pixel on the base substrate with the orthogonal projection of the first repeating part on the base substrate is larger than an overlapping area of the orthogonal projection of the aperture of the first sub pixel on the base substrate with the orthogonal projection of the second repeating part on the base substrate; and
wherein the sub pixels of the at least two different colors further comprise second sub pixels of a second color different from the first color,
the plurality of first power supply lines further comprise second sub power supply lines arranged in parallel with the first sub power supply lines, and the second sub power supply lines and the first sub power supply lines are arranged alternately along the first direction,
the second sub power supply line comprises a third repeating part, a fourth repeating part, and a fifth repeating part which are sequentially coupled to each other and are combined as a repeating unit, and the third repeating part, the fourth repeating part and the fifth repeating part extend along the first direction and have different line widths in the second direction,
an orthographic projection of the second sub pixel on the base substrate overlaps with orthographic projections of the fourth repeating part and the fifth repeating part of a corresponding second sub power supply line on the base substrate, and an overlapping area of the orthographic projection of the aperture of the second sub pixel on the base substrate with the orthographic projection of the fifth repeating part on the base substrate is larger than an overlapping area of the orthographic projection of the aperture of the second sub pixel on the base substrate with the orthographic projection of the fourth repeating part on the base substrate.
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