Micro light emitting display module

Abstract

The micro light emitting display module provided by the embodiment of the present application comprises a first display area and a second display area, and comprises: a substrate; a micro light emitting chip arranged in an array on the substrate; an original encapsulation layer arranged on the micro light emitting chip and covering the micro light emitting chip, the original encapsulation layer being located at least in the first display area and the second display area; and a repair encapsulation layer arranged on the first encapsulation layer and located in the first display area; wherein the repair encapsulation layer and the original encapsulation layer both comprise optical particles, the mass proportion of the optical particles in the repair encapsulation layer is different from the mass proportion of the optical particles in the original encapsulation layer, and / or the types of the optical particles in the repair encapsulation layer are different from the types of the optical particles in the original encapsulation layer. By optimizing the types and mass proportions of the optical particles in the repair encapsulation layer, the color difference between the repaired first display area and the normal second display area can be made close, and the ink colors of the areas are ensured to be consistent.

Claims

1. A miniature light-emitting display module, characterized in that, The micro-light-emitting display module includes a first display area and a second display area that are independent of each other. Substrate; A micro-light-emitting chip, arrayed on the substrate; An original encapsulating layer is disposed on and covers the micro-light-emitting chip, and the original encapsulating layer is located at least in the first display area and the second display area; and A repair sealant layer is applied over the original sealant layer and is located only in the first display area, so that there is a thickness difference between the first display area and the second display area; wherein, Both the rework sealant layer and the original sealant layer include optical particles. The mass percentage of optical particles in the rework sealant layer is different from that in the original sealant layer, and / or the types of optical particles in the rework sealant layer are different from those in the original sealant layer.

2. The micro light-emitting display module according to claim 1, characterized in that, The optical particles include at least one of white optical particles and black optical particles, wherein the mass percentage of white optical particles in the reworked sealant layer is different from the mass percentage of white optical particles in the original sealant layer, and / or, the mass percentage of black optical particles in the reworked sealant layer is different from the mass percentage of black optical particles in the original sealant layer.

3. The micro light-emitting display module according to claim 2, characterized in that, The optical particles in the original encapsulating layer include white optical particles but do not include black optical particles; The optical particles in the re-sealed layer include white optical particles of the same type as those in the original sealed layer, but do not include black optical particles. The mass percentage of white optical particles in the re-sealed layer is lower than the mass percentage of white optical particles in the original sealed layer. Alternatively, the reworked sealant layer comprises white optical particles and black optical particles, wherein the mass percentage of white optical particles in the reworked sealant layer is lower than the mass percentage of white optical particles in the original sealant layer. Alternatively, the rework sealant layer may include black optical particles but exclude white optical particles, and the mass percentage of black optical particles in the rework sealant layer may be lower than the mass percentage of white optical particles in the original sealant layer.

4. The micro light-emitting display module according to claim 2, characterized in that, The optical particles in the original encapsulating layer include black optical particles but do not include white optical particles; The reworked sealant layer includes black optical particles of the same type as those in the original sealant layer, but excludes white optical particles. The mass percentage of black optical particles in the reworked sealant layer is lower than that in the original sealant layer. Alternatively, the rework sealant layer may include black optical particles and white optical particles, wherein the mass percentage of black optical particles in the rework sealant layer is higher than the mass percentage of black optical particles in the original sealant layer.

5. The micro light-emitting display module according to claim 2, characterized in that, The optical particles in the original encapsulation layer include white optical particles and black optical particles; The repaired sealant layer includes white optical particles but does not include black optical particles, and the mass percentage of white optical particles in the repaired sealant layer is less than the mass percentage of white optical particles in the original sealant layer. Alternatively, the reworked sealant layer may include black optical particles but not white optical particles, and the mass percentage of black optical particles in the reworked sealant layer may be less than the mass percentage of black optical particles in the original sealant layer.

6. The micro light-emitting display module according to claim 2, characterized in that, The optical particles in both the original sealing layer and the repaired sealing layer include white optical particles and black optical particles. The mass percentage of white optical particles in the original sealing layer is different from that in the repaired sealing layer, and / or the mass percentage of black optical particles in the original sealing layer is different from that in the repaired sealing layer.

7. The micro light-emitting display module according to any one of claims 1 to 6, characterized in that, The micro-light-emitting display module includes multiple display panels spliced ​​together, and multiple micro-light-emitting chips are arrayed on each display panel. At least one of the display panels is located in the first display area, and the remaining display panels are located in the second display area.

8. The micro light-emitting display module according to claim 2, characterized in that, The mass percentage of optical particles in the rework sealant layer is 0.01%-30%.

9. The micro light-emitting display module according to claim 2, characterized in that, The thickness of the repaired sealant layer is less than the thickness of the original sealant layer.

10. The micro light-emitting display module according to claim 2, characterized in that, The white optical particles include at least one of diffusing powder and matting powder, and the black optical particles include black pigment.

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