| CPC H10K 59/8792 (2023.02) [H10K 59/122 (2023.02); H10K 59/873 (2023.02); H10K 59/38 (2023.02)] | 20 Claims |
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1. A display panel, comprising:
a pixel definition layer on a first base substrate, wherein the pixel definition layer comprises a plurality of barriers, the plurality of barriers comprise a plurality of first barriers extending in a first direction and a plurality of second barriers extending in a second direction, the first direction intersects with the second direction, a plurality of first accommodating portions are defined by the plurality of first barriers and the plurality of second barriers, each of the plurality of first barriers has a first top surface away from the first base substrate, and each of the plurality of the second barriers has a second top surface away from the first base substrate;
a plurality of light emitting devices provided in the plurality of first accommodating portions in one-to-one correspondence, each of the plurality of light emitting devices being configured to emit light of a preset color;
a first encapsulation layer covering the pixel definition layer and the plurality of light emitting devices;
a color conversion layer on a side of the first encapsulation layer away from the first base substrate, wherein the color conversion layer comprises a plurality of light emergent portions, the plurality of light emergent portions are provided in one-to-one correspondence with the plurality of light emitting devices, each of the plurality of light emergent portions is configured to receive light of the preset color and emit light of a same color as the preset color or a different color from the preset color;
a first light shielding pattern between the first encapsulation layer and the color conversion layer, wherein
an orthographic projection of at least a part of each of the plurality of light emitting devices on the first base substrate does not overlap with an orthographic projection of the first light shielding pattern on the first base substrate; the first light shielding pattern comprises a plurality of first light shielding strips extending in the first direction and a plurality of second light shielding strips extending in the second direction, an orthographic projection of the plurality of first light shielding strips on the first base substrate overlaps with an orthographic projection of the plurality of first barriers on the first base substrate, and an orthographic projection of the plurality of second light shielding strips on the first base substrate overlaps with an orthographic projection of the plurality of second barriers on the first base substrate; and
a second barrier between any two adjacent light emitting devices arranged in the first direction corresponds to at least one second light shielding strip, and/or a first barrier between any two adjacent light emitting devices arranged in the second direction correspond to at least one first light shielding strip, a width of the first light shielding strip is greater than or equal to a width of a corresponding first top surface, and a width of the second light shielding strip is greater than or equal to a width of a corresponding second top surface;
wherein each of the plurality of first accommodating portions has a first opening away from the first base substrate, and a width of the first light shielding strip satisfies:
W1≤W1′+L1*0.4,
where W1 is the width of the first light shielding strip, W1′ is a width of the first top surface of the first barrier, and L1 is a size of the first opening in the second direction; and
a width of the second light shielding strip satisfies:
W2≤W2′+L2*0.4,
where W2 is the width of the second light shielding strip, W2′ is a width of the second top surface of the second barrier, and L2 is a size of the first opening in the first direction.
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