Light-emitting panel, method for fabricating same, and display device

1 . A light-emitting panel, comprising:

a substrate;

a light-emitting element disposed on the substrate and electrically connected to the substrate; and

a package assembly disposed on the substrate and comprising a light-transmitting substrate and a light-shielding layer stacked on each other, wherein the light-shielding layer is located between the light-transmitting substrate and the substrate and comprises a plurality of light-shielding portions arranged at intervals, one end of each of the light-shielding portions away from the substrate is connected to the light-transmitting substrate, two adjacent light-shielding portions and the light-transmitting substrate form an accommodation space, and the light-emitting element is located in the accommodating space, so that a light emitted by the light-emitting element pass through the package assembly, wherein the package assembly comprises a plurality of the light-transmitting substrates stacked on each other, and refractive indices of the light-transmitting substrates increase sequentially in the direction away from the light-shielding layer.

2 . The light-emitting panel according to claim 1 , wherein a surface of the light-emitting element away from the substrate is connected to the light-transmitting substrate.

3 . The light-emitting panel according to claim 1 , wherein the light-shielding layer further comprises a plurality of connecting portions each connected between two adjacent light-shielding portions, a surface of each of the connecting portions facing the light-transmitting substrate is connected to the light-transmitting substrate, one accommodating space is formed by two adjacent light-shielding portions and one corresponding connecting portion, and a surface of the light-emitting element away from the substrate is connected to the connecting portion.

4 . The light-emitting panel according to claim 1 , further comprising a plurality of light-emitting units, wherein each of the light-emitting units comprises a plurality of the light-emitting elements, the light-shielding portions comprises a first light-shielding sub-portion, one end of the first light-shielding sub-portion away from the substrate is connected to the light-transmitting substrate, and the first light-shielding sub-portion is disposed around each of the light-emitting units.

5 . The light-emitting panel according to claim 4 , wherein the light-shielding portions comprise a plurality of second light-shielding sub-portions, one end of each of the second light-shielding sub-portions away from the substrate is connected to the light-transmitting substrate, and each of the second light-shielding sub-portions is disposed between two adjacent light-emitting elements in one light-emitting unit.

6 . The light-emitting panel according to claim 5 , wherein two ends of each of the second light-shielding sub-portions between two adjacent light-emitting elements in one light-emitting unit are respectively connected with two parts of the first light-shielding sub-portion located on opposite sides of the corresponding light-emitting unit.

7 . The light-emitting panel according to claim 5 , wherein a thickness of the first light-shielding sub-portion is greater than or equal to a thickness of the second light-shielding sub-portions, the thickness of the first light-shielding sub-portion is less than or equal to 100 microns, and the thickness of the second light-shielding sub-portions is less than or equal to 100 microns.

8 . The light-emitting panel according to claim 7 , wherein a surface of the first light-shielding sub-portion away from the light-transmitting substrate is in contact with the substrate.

9 . The light-emitting panel according to claim 7 , wherein a surface of the first light-shielding sub-portion away from the light-transmitting substrate is in contact with the substrate, and a surface of each of the second light-shielding sub-portions away from the light-transmitting substrate is in contact with the substrate.

10 . The light-emitting panel according to claim 4 , wherein there is a first gap between the first light-shielding sub-portion and the adjacent light-emitting unit.

11 . The light-emitting panel according to claim 5 , wherein there is a second gap between each of the second light-shielding sub-portions and the adjacent light-emitting element.

12 . A display device, comprising the light-emitting panel according to claim 1 .

13 . A light-emitting panel, comprising:

a substrate;

a light-emitting element disposed on the substrate and electrically connected to the substrate; and

a package assembly disposed on the substrate and comprising a light-transmitting substrate and a light-shielding layer stacked on each other, wherein the light-shielding layer is located between the light-transmitting substrate and the substrate and comprises a plurality of light-shielding portions arranged at intervals, one end of each of the light-shielding portions away from the substrate is connected to the light-transmitting substrate, two adjacent light-shielding portions and the light-transmitting substrate form an accommodation space, and the light-emitting element is located in the accommodating space, so that a light emitted by the light-emitting element pass through the package assembly, wherein the package assembly comprises a plurality of the light-transmitting substrates stacked on each other, and refractive indices of the light-transmitting substrates decrease sequentially in the direction away from the light-shielding layer.

14 . A method for fabricating a light-emitting panel, comprising:

providing a substrate;

transferring a light-emitting element to the substrate, so that the light-emitting element is electrically connected to the substrate;

providing a package assembly, wherein the package assembly comprises a light-transmitting substrate and a light-shielding layer stacked on each other, the light-shielding layer comprises a plurality of light-shielding portions arranged at intervals, one end of each of the light-shielding portions facing the light-transmitting substrate is connected to the light-transmitting substrate, and two adjacent light-shielding portions and the light-transmitting substrate form an accommodation space; and

assembling the package assembly to the substrate, so that the light-emitting element is located in the accommodating space, and a light emitted by the light-emitting element pass through the package assembly, wherein the package assembly comprises a plurality of the light-transmitting substrates stacked on each other, and refractive indices of the light-transmitting substrates increase sequentially in the direction away from the light-shielding layer.

15 . The method for fabricating the light-emitting panel according to claim 14 , wherein the providing the package assembly and the assembling the package assembly to the substrate comprise:

providing the light-transmitting substrate;

coating the light-shielding layer on the light-transmitting substrate;

processing the light-shielding layer to form the light-shielding portions arranged at intervals, so that one end of each of the light-shielding portions facing the light-transmitting substrate is connected to the light-transmitting substrate, two adjacent light-shielding portions and the light-transmitting substrate form one accommodation space, and the light-shielding layer and the light-transmitting substrate form the package assembly; and

assembling the package assembly to the substrate, so that the light-emitting element is located in the accommodating space, and a surface of the light-emitting element away from the substrate is connected to the light-transmitting substrate.

16 . The method for fabricating the light-emitting panel according to claim 14 , wherein the providing the package assembly and the assembling the package assembly to the substrate comprise:

providing the light-transmitting substrate;

coating the light-shielding layer on the light-transmitting substrate;

processing the light-shielding layer to form the light-shielding portions arranged at intervals and a plurality of connecting portions each connected between two adjacent light-shielding portions, so that one end of each of the light-shielding portions facing the light-transmitting substrate is connected to the light-transmitting substrate, a surface of each of the connecting portions facing the light-transmitting substrate is connected to the light-transmitting substrate, one accommodating space is formed by two adjacent light-shielding portions and one corresponding connecting portion, and the light-shielding layer and the light-transmitting substrate form the package assembly; and

assembling the package assembly to the substrate, so that the light-emitting element is located in the accommodating space, and a surface of the light-emitting element away from the substrate is connected to the connecting portion.

17 . The method for fabricating the light-emitting panel according to claim 14 , wherein the light-emitting panel comprises a plurality of light-emitting units, each of the light-emitting units comprises a plurality of the light-emitting elements, the light-shielding portions comprise a first light-shielding sub-portion and a plurality of second light-shielding sub-portions, and the assembling the package assembly to the substrate comprises:

assembling the package assembly to the substrate, so that the first light-shielding sub-portion is located between two adjacent light-emitting units, and each of the second light-shielding sub-portions is disposed between two adjacent light-emitting elements in one light-emitting unit.

18 . A method for fabricating a light-emitting panel, comprising:

providing a substrate;

transferring a light-emitting element to the substrate, so that the light-emitting element is electrically connected to the substrate;

providing a package assembly, wherein the package assembly comprises a light-transmitting substrate and a light-shielding layer stacked on each other, the light-shielding layer comprises a plurality of light-shielding portions arranged at intervals, one end of each of the light-shielding portions facing the light-transmitting substrate is connected to the light-transmitting substrate, and two adjacent light-shielding portions and the light-transmitting substrate form an accommodation space; and

assembling the package assembly to the substrate, so that the light-emitting element is located in the accommodating space, and a light emitted by the light-emitting element pass through the package assembly, wherein the package assembly comprises a plurality of the light-transmitting substrates stacked on each other, and refractive indices of the light-transmitting substrates decrease sequentially in the direction away from the light-shielding layer.