Patent ID: 11945199
Assignee: SAMSUNG ELECTRONICS CO., LTD.
Field: Surface technology, coating (Chemistry)
Classification: CPC B  G | IPC B

Claim 4:
5. The laminated film of claim 1, wherein the imide structural unit is represented by Chemical Formula 1:, wherein, in Chemical Formula 1,
D comprises a substituted or unsubstituted quadrivalent C4 to C30 alicyclic organic group, a substituted or unsubstituted quadrivalent C6 to C30 aromatic organic group, a substituted or unsubstituted quadrivalent C4 to C30 heteroaromatic organic group, or a combination thereof, and
the alicyclic organic group, the aromatic organic group, the heteroaromatic organic group, or the combination thereof is a single ring, a condensed ring in which at least two rings are fused, or a ring system that comprises at least two ring groups, each of the at least two ring groups comprises the single ring or the condensed ring, wherein the at least two ring groups are linked by a single bond, a fluorenylene group, —O—, —S—, —C(═O)—, —CH(OH)—, —S(═O)2—, —Si(CH3)2—, —(CH2)p—, —(CF2)q—, —C(CnH2n+1)2—, —C(CnF2n+1)2—, —(CH2)p—C(CnH2n+1)2—(CH2)q—, —(CH2)p—C(CnF2n+1)2—(CH2)q—, wherein, 1≤n≤10, 1≤p≤10 and 1≤q≤10, —C(CF3)(C6H5)—, —C(═O)NH—, or a combination thereof.