Light absorptive compound, polymer composition containing the compound, polymer film, and cured layer

By developing a light-absorbing compound with excellent solubility and hydrophobic properties, we solve the problems of ultraviolet degradation and insufficient solubility of light absorbers in optical films and display devices, achieving efficient absorption of 400nm light and improving display quality and light resistance. .

CN107033055AInactive Publication Date: 2017-08-11SUMITOMO CHEM CO LTD
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Patent Information

Application Number
CN201611217110.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2015-12-28
Filing Date
2016-12-26
Publication Date
2017-08-11
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

In the prior art, organic EL compounds and liquid crystal compounds in optical films and display devices are susceptible to ultraviolet degradation, leading to fatigue and vision loss when observing the display. In addition, the solubility and hydrophobicity of the light absorber are insufficient, affecting its performance in the display. properties in the membrane.

Method used

Developed a new light-absorbing compound that selectively absorbs light near a wavelength of 400 nm and has excellent solubility and affinity for various solvents and hydrophobic substances for use in the preparation of polymer compositions, polymer films, and Curing films to improve their performance in optical films and display devices.

Benefits of technology

It achieves effective absorption of light near 400nm in optical films and display devices, reduces performance degradation caused by short-wavelength visible light, improves the quality of color display, and enhances the light resistance and stability of materials.

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Abstract

The invention discloses a light absorptive compound, a polymer composition containing the compound, a polymer film, and a cured layer. The object of the present invention is to provide a light absorptive compound which is capable of selectively absorbing light around a wavelength of 400nm, and is excellent in solubility in various solvents and / or affinity with hydrophobic substances. Also, the object of the present invention is to provide an optical film containing such a light absorptive compound, and a cured layer. A compound represented by the following formula (I) (as shown in the description).
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