TWI677702B - Anti-glare structure and method of manufacturing the same - Google Patents

Claims (7)

An anti-glare structure having a first surface and a second surface opposite to the first surface, wherein the first surface includes a first convex structure and a second convex structure, and the second convex structure surrounds The first raised structure, and the first surface includes a lowest point closest to the second surface, wherein a local highest point of the first raised structure that is far from the second surface and the lowest point The distance between the points in the normal direction of the second surface is H1, and 2.5 μm ≦ H1 ≦ 3.5 μm, and the average width of the first convex structure in a direction perpendicular to the normal direction is Wa, And 8 μm ≦ W ≦ 12 μm, the distance between two adjacent first protruding structures is D1, and 12 μm ≦ D1 ≦ 18 μm, and the second protruding structure is a local highest point farther from the second surface A distance from the lowest point in the normal direction of the second surface is H2, and 0.8 μm ≦ H2 ≦ 1.2 μm, and the second convex structure is in a direction perpendicular to the normal direction. The average width is Wb, and 2 μm ≦ Wb ≦ 4.5 μm. The anti-glare structure according to item 1 of the scope of patent application, wherein Wa, D1, and H2 satisfy the following relationship: . The anti-glare structure according to item 1 of the scope of the patent application, wherein H2 and Wb satisfy the following relationship: . A manufacturing method of an anti-glare structure includes: forming a curable resin layer on a substrate; engraving a mold to form a first pattern; spraying a mold on the mold after the engraving process to form a second pattern; And embossing the curable resin layer with the mold to form a first convex structure and a second convex structure, wherein the first pattern corresponds to the first convex structure, and the The second pattern corresponds to the second raised structure, wherein the anti-glare structure has a first surface including the first raised structure and the second raised structure, and a first surface opposite to the first surface. Two surfaces, the second raised structure surrounds the first raised structure, and the first surface includes a lowest point closest to the second surface, and the first raised structure is away from the second surface The distance between the farthest local highest point and the lowest point in the normal direction of the second surface is H1, and 2.5 μm ≦ H1 ≦ 3.5 μm, and the first convex structure is in the direction normal to the second surface. The average width in the vertical direction is Wa And 8 μm ≦ W ≦ 12 μm, the distance between two adjacent first protruding structures is D1, and 12 μm ≦ D1 ≦ 18 μm, and the second protruding structure is a local highest point farther from the second surface A distance from the lowest point in the normal direction of the second surface is H2, and 0.8 μm ≦ H2 ≦ 1.2 μm, and the second convex structure is in a direction perpendicular to the normal direction. The average width is Wb, and 2 μm ≦ Wb ≦ 4.5 μm. The method for manufacturing an anti-glare structure according to item 4 of the scope of patent application, wherein the material of the curable resin layer includes acrylic resin. The manufacturing method of the anti-glare structure according to item 4 of the scope of patent application, wherein Wa, D1, and H2 satisfy the following relationship: . The manufacturing method of the anti-glare structure according to item 4 of the scope of patent application, wherein H2 and Wb satisfy the following relationship: .