Encapsulation method of OLED and a structure of OLED

1. An encapsulation method for OLED, comprising following steps:

step 1: providing a glass cover and an encapsulating substrate, and the glass cover comprising a display area and an edge area surrounding the display area;

step 2: forming a layer of SiN X on the edge area of the glass cover to encircle the display area;

step 3: self-arranging a layer of hydrophobic monomer on and in contact with a surface of the display area of the glass cover, wherein the surface of the display area is a hydrophilic surface, the layer of SiN X is configured for limiting the layer of hydrophobic monomer within the display area;

step 4: coating a circle of UV curable glue frame around the display area of the glass cover and on the layer of SiN X such that the layer of SiN X is located between the UV curable glue frame and the glass cover;

step 5: coating a liquid desiccant of non-polar on the layer of hydrophobic monomer on the display area of the glass cover whereby the liquid desiccant of non-polar being distributed evenly on the display area owing to hydrophobicity of the layer of hydrophobic monomer;

step 6: attaching the glass cover correspondingly to the substrate;

step 7: illuminating by UV light to cure the UV curable glue frame to achieve the glass cover encapsulating the substrate.

2. The encapsulation method for OLED according to claim 1 , wherein, the substrate can be an OLED substrate; a method of self-arranging the layer of hydrophobic monomer in the step 3 is solution immersion method or evaporation.

3. The encapsulation method for OLED according to claim 1 , wherein, the layer of hydrophobic monomer in step 3 is silane-system molecular, which is n-propyltrichlorosilane, Trichlorooctadecylsilane, Trichlorodecylsilane, n-Decyltrimethoxysilane, n-Decyltriethoxysilane, or n-Decyltri(methoxyethoxy)silane.

4. The encapsulation method for OLED according to claim 1 , wherein, the glue frame is coated at the edge of the glass cover in the step 4, and a space is kept from the display area; the glue frame is UV glue.

5. The encapsulation method for OLED according to claim 1 , wherein, screen printing is applied in coating a liquid desiccant of non-polar in the step 5; the step 6 is processing in vacuum environment.

6. The encapsulation method for OLED according to claim 1 , wherein, the liquid desiccant of non-polar is curable desiccant or non-curable desiccant.

7. The encapsulation method for OLED according to claim 6 , wherein, the non-curable desiccant is aluminum polymer, which is [R—O—Al═O] n (n≧1); the curable desiccant is thermo setting liquid desiccant or UV curing liquid desiccant.

8. The encapsulation method for OLED according to claim 6 , wherein, when the liquid desiccant of non-polar is curable desiccant in step 5, heating or UV light illuminating for curing is processing after coating.

9. An OLED structure, comprising a substrate, a glass cover tightly attached to the substrate, and a UV cured glue frame positioned between the substrate and the glass cover; wherein the glass cover includes a display area and an edge area surrounding the display area, and further includes a layer of SiN X positioned on the edge area of the glass cover to encircle the display area, a layer of hydrophobic monomer self-arranging on a surface of the display area of the glass cover, and desiccant of non-polar coated on the layer of hydrophobic monomer on the display area of the glass cover; the layer of SiN X is configured for limiting the layer of hydrophobic monomer within the display area, the UV cured glue frame is on the layer of SiN X such that the layer of SiN X is located between the UV cured glue frame and the glass cover, the desiccant of non-polar is distributed evenly on the display area due to hydrophobicity of the layer of hydrophobic monomer.

10. The encapsulation method for OLED according to claim 9 , wherein, the substrate is OLED substrate; the layer of hydrophobic monomer is silane-system molecular; the UV cured glue frame is coated at the edge of the glass cover and a space is kept from the display area; the desiccant of non-polar is curable desiccant or non-curable desiccant.

11. An OLED structure, comprising a substrate, a glass cover tightly attached to the substrate, and a UV cured glue frame positioned between the substrate and the glass cover; wherein the glass cover includes a display area and an edge area surrounding the display area, and further includes a layer of SiN X positioned on the edge area of the glass cover to encircle the display area, a layer of hydrophobic monomer self-arranging on and in contact with a surface of the display area of the glass cover, and desiccant of non-polar coated on the layer of hydrophobic monomer on the display area of the glass cover; the layer of SiN X is configured for limiting the layer of hydrophobic monomer within the display area, the UV cured glue frame is on the layer of SiN X such that the layer of SiN X is located between the UV cured glue frame and the glass cover, the desiccant of non-polar is distributed evenly on the display area due to hydrophobicity of the layer of hydrophobic monomer;

wherein, the substrate is OLED substrate; the layer of hydrophobic monomer is silane-system molecular; the UV cured glue frame is coated at the edge of the glass cover and a space is kept from the display area; the desiccant of non-polar is curable desiccant or non-curable desiccant.