Micro light emitting diode display panel

A micro light emitting diode display panel comprising:

• a plurality of pixel structures, each of the pixel structures comprising at least one sub-pixel, and the at least one sub-pixel is configured to emit light in a plurality of luminance intervals, wherein each of the at least one sub-pixel comprises:
• a first micro-light-emitting chip, having a first light-emitting area, and configured to emit light corresponding to a first luminance interval according to a first operating current interval;
• and
• a second micro-light-emitting chip, having a second light-emitting area smaller than the first light-emitting area, and configured to emit light corresponding to a second luminance interval according to a second operating current interval, wherein a gray-scale value of the second luminance interval is lower than a gray-scale value of the first luminance interval;
• wherein the first micro-light-emitting chip and the second micro-light-emitting chip have the same light-emitting color;
• wherein when emitting light, the second micro-light-emitting chip has a smaller slope of a tangent line to a luminance versus current curve than the first micro-light-emitting chip;
• and
• wherein the first micro-light-emitting chip has a first operating current density when emitting light, the second micro-light-emitting chip has a second operating current density when emitting light, and the second operating current density is smaller than the first operating current density.