COMPOSITE ENCAPSULATION MATERIAL AND OPTICAL DEVICE OF THE SAME
A composite encapsulation material is provided, which includes (A) a polymer glue material and (B) a viscosity modifier. The viscosity modifier (B) has a functional group capable of forming non-covalent interaction with the polymer glue material (A). At room temperature, the ratio (log(η 0 )/log(η 28 )) of the logarithm of the viscosity ((log(η 0 )) of the composite encapsulation material at the shear rate of 1×10 −3 s −1 to the logarithm of the viscosity (log(η ∞ )) of the composite encapsulation material at the shear rate of 1×10 2 s −1 is 1.1-2.5.
1 . A composite encapsulation material, comprising:
(A) a polymer glue material; and
(B) a viscosity modifier, wherein the viscosity modifier (B) has a functional group capable of forming a non-covalent interaction with the polymer glue material (A);
wherein, at room temperature, a ratio (log(η 0 )/log(η ∞ )) of a logarithm of a viscosity ((log(η 0 )) of the composite encapsulation material at a shear rate of 1×10 −3 s −1 to a logarithm of a viscosity (log(η ∞ )) of the composite encapsulation material at a shear rate of 1×10 2 s −1 is 1.1-2.5.
2 . The composite encapsulation material as claimed in claim 1 , wherein the composite encapsulation material has a tangled net structure.
3 . The composite encapsulation material as claimed in claim 1 , wherein the non-covalent interaction comprise a van der Waals force, a hydrogen bond, an ionic bond, a hydrophobic force, or a combination thereof.
4 . The composite encapsulation material as claimed in claim 1 , wherein the polymer glue material (A) comprises a siloxane bond, a carbon-hydrogen bond, or a combination thereof.
5 . The composite encapsulation material as claimed in claim 1 , wherein the polymer glue material (A) comprises a silicone resin, an epoxy resin, a fluororesin, or a combination thereof.
6 . The composite encapsulation material as claimed in claim 1 , wherein the functional group of the viscosity modifier (B) comprises —OH, ═NH, —NH 2 , halogen, hydrocarbon chain, or a combination thereof.
7 . The composite encapsulation material as claimed in claim 1 , wherein the viscosity modifier (B) comprises a polymer material, a nanomaterial, or a combination thereof.
8 . The composite encapsulation material as claimed in claim 7 , wherein the polymer material comprises a polyamide wax, an organic bentonite clay, a hydrogenated castor oil, or a combination thereof.
9 . The composite encapsulation material as claimed in claim 7 , wherein a particle size of the nanomaterial is 1 nm to 500 nm.
10 . The composite encapsulation material as claimed in claim 7 , wherein based on 100 parts by weight of the polymer glue material (A), the nanomaterial is 0.1-130 parts by weight (wt %).
11 . The composite encapsulation material as claimed in claim 7 , wherein the nanomaterial comprises a luminescent material, a non-luminescent material, or a combination thereof.
12 . The composite encapsulation material as claimed in claim 11 , wherein the luminescent material comprises quantum dots.
13 . The composite encapsulation material as claimed in claim 11 , wherein the non-luminescent material comprises TiO 2 , SiO 2 , Al 2 O 3 , or a combination thereof.
14 . The composite encapsulation material as claimed in claim 7 , wherein based on 100 parts by weight of the polymer glue material (A), the polymer material is 1-100 parts by weight (wt %).
15 . The composite encapsulation material as claimed in claim 1 , further comprising phosphor powder.
16 . An optical device, comprising the composite encapsulation material as claimed in claim 1 .
17 . The optical device as claimed in claim 16 , further comprising a light-emitting unit, wherein the composite encapsulation material covers the light-emitting unit of the optical devices.
18 . The optical device as claimed in claim 16 , further comprising an optical unit, wherein the optical unit is made of the composite encapsulation material.
19 . The optical device as claimed in claim 18 , wherein the optical unit is a lens.