Patent ID: 11934000
Assignee: EZ GROUP INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  B | IPC F

Claim 0:
1. A light emitting sheet excellent in light guiding performance, the light emitting sheet comprising:
a base film (110); and
a patterned light guide on the base film, wherein a pattern cell (130) is repeatedly formed in the patterned light guide,
wherein,
the pattern cell has a hexagonal shape comprising six vertices and six sides,
the pattern cell comprises:
a central pattern (131) having a circular shape and located at a center of the pattern cell;
six isosceles triangular-shaped patterns (132) arranged around the central pattern, wherein a symmetry axis of each of the six isosceles triangular-shaped patterns is aligned perpendicular to a corresponding side of the six sides of the pattern cell and crosses the center of the pattern cell, respectively, wherein each corner of the isosceles triangular-shaped patterns has a rounded shape and/or a pointed shape, and all of the six isosceles triangular-shaped patterns have the same size, and
six corner patterns (133) located at the vertices of the hexagonal shape, wherein each of the six corner patterns is identical in shape and size to one another, and
the base film comprises at least one of polypropylene or polyethylene terephthalate.