Patent ID: 9348222
Filing Date: 2016-05-24
CPC Classification: C08F,C09D,G02B,G03F

Claim Text:
1. A microlens formed from a positive resist composition comprising: a component (A): an alkali-soluble polymer comprising a unit structure having a biphenyl structure; a component (B): a compound having an organic group to be photolyzed to generate an alkali-soluble group; and a component (C): a solvent; wherein: the alkali-soluble polymer as the component (A) is: where: R R R Q m2 is an integer of 0 to 5, m4 is an integer of 0 to 4, and (m2+m4) is an integer of 1 to 9; m1 is an integer satisfying 0≦m1≦(5−m2); m3 is an integer satisfying 0≦m3≦(4−m4); and when the total number of unit structures constituting the polymer (A) is assumed to be 1.0, the ratio n1 of the unit structure of Formula (1) constituting the polymer (A) satisfies 0.3≦n1≦1.0; or a polymer comprising a unit structure of Formula (2) and a unit structure of Formula (3): where: R R R Q m2 is an integer of 0 to 5; m4 is an integer of 0 to 4; (m2+m4) is an integer of 0 to 9; m1 is an integer satisfying 0≦m1≦(5−m2); m3 is an integer satisfying 0≦m3≦(4−m4); R Q when the total number of all unit structures constituting the polymer (A) is assumed to be 1.0, the ratio n2 of the unit structure of Formula (2) constituting the polymer (A) and the ratio n3 of the unit structure of Formula (3) constituting the polymer (A) satisfy 0.2≦n2≦0.8, 0.1≦n3≦0.7, and 0.3≦n2+n3≦1.0; or a polymer comprising: a unit structure of Formula (1) as defined above, wherein (m2+m4) is an integer of 0, optionally a unit structure of Formula (4), and optionally a unit structure of Formula (5): where: R R Q R when the total number of all unit structures constituting the polymer (A) is assumed to be 1.0, the ratio n1 of the unit structure of Formula (1) constituting the polymer (A), the ratio n4 of the unit structure of Formula (4) constituting the polymer (A), and the ratio n5 of the unit structure of Formula (5) constituting the polymer (A) satisfy 0.3≦n1≦0.7, 0≦n4≦0.4, 0≦n5≦0.4, and 0.3≦n1+n4+n5≦1.0; or a polymer comprising: a unit structure of Formula (2) as defined above, wherein (m2+m4) is an integer of 0, a unit structure of Formula (3) as defined above, a unit structure of Formula (4) as defined above, and a unit structure of Formula (5) as defined above, wherein when the total number of all unit structures constituting the polymer (A) is assumed to be 1.0, the ratio n2 of the unit structure of Formula (2) constituting the polymer (A), the ratio n3 of the unit structure of Formula (3) constituting the polymer (A), the ratio n4 of the unit structure of Formula (4) constituting the polymer (A), and the ratio n5 of the unit structure of Formula (5) constituting the polymer (A) satisfy 0.2≦n2≦0.8, 0.1≦n3≦0.7, 0<n4≦0.4, 0<n5≦0.4, and 0.3<n2+n3+n4+n5≦1.0; and the component (B) is a compound having a structure of Formula (6): where: R where: