Abstract: A blue light blocking film layer and a blue light blocking system are disclosed.

Abstract: Disclosed is a blue light absorbing compound, its preparation method and use. The compound has high stability and is suitable for high temperature processing conditions as well as outdoor application. A method of covalently bonding a blue light absorbing compound with an ultraviolet light absorbing compound for increasing its stability is also provided. The compound is capable of absorbing or blocking ultraviolet light (UVA, UVB) and blue light to protect eyes. But long-wavelength blue light can be absorbed diminishingly, so that the transmitted light has a particularly good visual experience.

Abstract: The present invention discloses a 3-aryl-benzofuranone compound in which R1-R6 in the formula are mutually independent H or C1-C20 alkyls, and R7 is C7-C20 alkyl or C7-C20 mixed alkyl. The present invention also discloses a composition of 3-aryl-benzofuranone compound and the preparation method. The 3-aryl-benzofuranone compound and the composition thereof has the superiority in application due to the characteristics of less proneness to volatilize, less proneness to be extracted, higher resistance to migration and less proneness to bloom and precipitate on the surface of organic materials, and with a wide range of application, it is effective during the application.

Abstract: A blue light blocking system including a pyrazoline compound of formula (I) or/and a phenylacrylic compound of formula (II) is provided. The compound of formula (I) or formula (II) can absorb most blue light of shorter wavelength that hurt eyes, but let that of the longer wavelength pass through, so that the transmitted light makes an excellent visual effect for human. The system can be applied to products such as optical films, optical lenses, goggles, skin care, lighting, coatings, adhesives, or panels. These products have a light-colored appearance and their transmitted light makes for an excellent visual effect.

Abstract: The present invention discloses a 3-aryl-benzofuranone compound in which R1-R6, in the formula are mutually independent H or C1-C20 alkyls, and R7 is C7-C20 alkyl or C7-C20 mixed alkyl. The present invention also discloses a composition of 3-aryl-benzofuranone compound and the preparation method. The 3-aryl-benzofuranone compound and the composition thereof has the superiority in application due to the characteristics of less proneness to volatilize, less proneness to be extracted, higher resistance to migration and less proneness to bloom and precipitate on the surface of organic materials, and with a wide range of application, it is effective during the application.