Ultraviolet light absorbers

A compound represented by at least one of the following Formulas (III), (IV), (V), (VIII), and (IX),

• wherein independently for each of Formulas (III), (IV), (V), (VIII), and (IX),
• R1 independently for each x, and R2 independently for each y, are in each case independently selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl, and —OR7, where each R7 is independently selected from the group consisting of hydrogen, hydrocarbyl, and substituted hydrocarbyl, wherein the hydrocarbyl and substituted hydrocarbyl of R1, R2, and R7 are in each case independently and optionally interrupted with at least one of —O—, —S—, —C(O)—, —C(O)O—, —OC(O)O—, —S(O)—, —SO2—, —N(R9)—, and —Si(R9)(R10)— wherein R9 and R10 are each independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl,
• M1 independently for each n, M2 independently for each p, and M4 independently for each g, are in each case independently represented by the following Formula (X),
• wherein independently for each Formula (X),
• L1 in each case is independently selected from the group consisting of at least one of:
• a single bond;
• —O—;
• —S—;
• —C(O)—;
• —S(O)—;
• —SO2—;
• —N═N—;
• —N(R11′)— where R11′ is selected from hydrogen, hydrocarbyl or substituted hydrocarbyl;
• —Si(OR8′)w(R8′)e—, where w and e are each independently 0 to 2, provided that the sum of w and e is 2, and each R8′ is independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl;
• hydrocarbyl, and substituted hydrocarbyl, each optionally and independently interrupted with at least one of —O—, —S—, —C(O)—, —C(O)O—, —S(O)—, —SO2—, —N═N—, —N(R11′)— where R11′ is selected from the group consisting of hydrogen, hydrocarbyl or substituted hydrocarbyl, —Si(OR8′)w(R8′)e—, where w and e are each independently 0 to 2, provided that the sum of w and e is 2, and each R8′ is independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl, and combinations of two or more thereof,
• t is 1 to 4,
• m is, independently for each t, from 0 to 8,
• L2 is independently for each m selected from the group consisting of divalent linear or branched C1-C25 alkyl, divalent linear or branched C1-C25 perhaloalkyl, and divalent linear or branched C2-C25 alkenyl, in each case optionally interrupted with at least one of —O—, —S—, —C(O)—, —C(O)O—, —OC(O)O—, —S(O)—, —SO2—, —N(R9)—, and —Si(R9)(R10)— wherein R9 and R10 are each independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl,
• q is, independently for each t, from 0 to 8, provided that the sum of m and q is at least one for each t, and provided that q is at least 1 for at least one t,
• L3 independently for each q is represented by the following Formula (XI-1),
• Y is, independently for each q, a divalent linking group selected from the group consisting of a single bond, —O—, —S—, —C(O)—, —C(O)O—, —OC(O)O—, —S(O)—, —SO2—, —N(R9)—, —N(R9)—C(O)—O—, —C(O)—N(R9)—, and —Si(R9)(R10) wherein R9 and R10 are each independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl,
• v and u are each independently, for each q, selected from 0 to 5, provided that the sum of v and u is at least 2 for each q that is greater than zero,
• Z is, independently for each v, a divalent linking group selected from the group consisting of a single bond, —O—, —S—, —C(O)—, —C(O)O—, —OC(O)O—, —S(O)—, —SO2—, —N(R9)—, —N(R9)—C(O)—O—, —C(O)—N(R9)—, and —Si(R9)(R10)— wherein R9 and R10 are each independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl,
• the divalent rings,
• are each independently selected, for each v and each u, from the group consisting of divalent aryl, substituted divalent aryl, divalent heteroaryl, substituted divalent heteroaryl, divalent cycloalkyl, substituted divalent cycloalkyl, divalent heterocycloalkyl, and substituted divalent heterocycloalkyl,
• E1 is selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl each optionally interrupted with at least one of —O—, —S—, —C(O)—, —C(O)O—, —OC(O)O—, —S(O)—, —SO2—, —N(R9)—, and —Si(R9)(R10)— wherein R9 and R10 are each independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl, and (meth)acryloyl,
• provided that a direct L1-L2 link between L1 and L2 is free of two heteroatoms linked together, a direct L1-L3 link between L1 and L3 is free of two heteroatoms linked together, and each direct L2-L3 link between each directly linked L2 and L3 is free of two heteroatoms linked together;
• for Formula (III),
• x is from 0 to 4,
• n is from 0 to 4, provided that the sum of x and n is 4,
• g is from 0 to 6, provided that the sum of n and g is at least 1, and
• Ring-A is selected from the group consisting of aryl, substituted aryl, heteroaryl, and substituted heteroaryl,
• for Formula (IV),
• x is from 0 to 4,
• n is from 1 to 4, provided that the sum of x and n is 4,
• g is from 0 to 6, provided that the sum of n and g is at least 1,
• Ring-B is selected from the group consisting of aryl, substituted aryl, heteroaryl, and substituted heteroaryl, and
• D is selected from the group consisting of O, S, and N—R2′, wherein R2′ is selected from the group consisting of hydrogen, hydrocarbyl, and substituted hydrocarbyl, each optionally and independently interrupted with at least one of —O—, —S—, —C(O)—, —C(O)O—, —S(O)—, —SO2—, —N═N—, —N(R11′)— where R11′ is selected from the group consisting of hydrogen, hydrocarbyl or substituted hydrocarbyl, —Si(OR8′)w(R8′)e—, where w and e are each independently 0 to 2, provided that the sum of w and e is 2, and each R8′ is independently selected from the group consisting of hydrogen, hydrocarbyl and substituted hydrocarbyl, and combinations of two or more thereof,
• for Formula (V),
• x is from 0 to 5,
• n is from 0 to 5, provided the sum of x and n is 5,
• y is from 0 to 5, and
• p is from 0 to 5, provided the sum of y and p is 5,
• provided that the sum of n and p is at least 1,
• for Formula (VIII),
• x is from 0 to 3, and
• n is from 1 to 4, provided that the sum of x and n is 4,
• for Formula (IX),
• x is from 0 to 3, and
• n is from 1 to 4, provided that the sum of x and n is 4,
• wherein at least one L3 independently is a mesogenic group, and said compound is a mesogenic compound.