Title:
ENCAPSULATION ADHESIVE FILM AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/236539
Kind Code:
A1
Abstract:
Provided by the provided by the present invention is an encapsulation adhesive film, having at least two layers. The encapsulation adhesive film comprises an ultraviolet light absorption layer and an ultraviolet light conversion layer; the ultraviolet light absorption layer comprises a matrix resin and an ultraviolet light absorption agent; and the ultraviolet light conversion layer comprises a matrix resin and an ultraviolet light conversion agent. The content of ultraviolet light absorption agent in the ultraviolet light absorption layer is 0.1g/m2-10g/m2. and the content of ultraviolet light conversion agent in the ultraviolet light conversion layer is 0.1g/m2-10g/m2. The ultraviolet light absorption agent in the ultraviolet light absorption layer may absorb ultraviolet light with wavelengths in the range of 200-400 nm, and the light conversion agent in the ultraviolet light conversion layer may convert ultraviolet light with wavelengths between 280-380 nm into visible light. The encapsulation adhesive film of the present invention comprises a multi-layer composite structure, the ultraviolet light absorption agent and the ultraviolet light conversion agent being dispersed in different layers, mutually non-interfering yet synergistically working together to achieve high ultraviolet cutoff and high visible light transmittance. Different ultraviolet absorption agents and ultraviolet light conversion agents may be appropriately combined according to their corresponding wavelengths, to achieve a desired effect.
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Inventors:
WANG LONG (CN)
WEI MENGJUAN (CN)
SANG YAN (CN)
HOU HONGBING (CN)
ZHOU GUANGDA (CN)
WEI MENGJUAN (CN)
SANG YAN (CN)
HOU HONGBING (CN)
ZHOU GUANGDA (CN)
Application Number:
PCT/CN2023/072426
Publication Date:
December 14, 2023
Filing Date:
January 16, 2023
Export Citation:
Assignee:
HANGZHOU FIRST APPLIED MAT CO LTD (CN)
International Classes:
C09J7/10; C03C27/12; C09J7/30; C09J11/04; C09J11/06; C09J123/08; H01L31/048; H01L31/055
Foreign References:
| CN114854316A | 2022-08-05 | |||
| CN113314634A | 2021-08-27 | |||
| CN108517188A | 2018-09-11 | |||
| CN102732160A | 2012-10-17 | |||
| CN107735700A | 2018-02-23 | |||
| JP2013069728A | 2013-04-18 | |||
| CN102576807A | 2012-07-11 | |||
| CN106960888A | 2017-07-18 | |||
| CN113698877A | 2021-11-26 | |||
| US20170345960A1 | 2017-11-30 | |||
| JP2014096251A | 2014-05-22 |
Attorney, Agent or Firm:
KANGXIN PARTNERS , P.C. (CN)
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