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US 2025/0197346 A1Published application
Compound for optical absorbent
AssigneeLms Co., Ltd.
InventorsJoon Ho JUNG, Seung Chul LEE, Hee Kyeong KIM
Life of this patent
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Abstract
Provided are optical absorbent compounds and their uses. The compounds have excellent heat resistance and can stably maintain light absorption characteristics even under high temperature conditions or high temperature and high humidity conditions. A resin film secures desired optical properties by applying the compounds. The compounds can be used as an optical absorbent for an optical filter.
Claims20
A compound represented by Formula 1:
- wherein
- R1 to R28 are each independently hydrogen, deuterium, an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryl group, an aryloxy group, an arylamino group, an alkylamino group, a heteroaryl group, an alkylsilyl group, an arylsilyl group, an amino group, a nitro group, a nitrile group, a hydroxy group, or cyano group;
- and at least one of R1 to R28 is deuterium.
Dependencies are inferred from the claim text.