US 2008/0259248 A1 · Multilens member, illumination apparatus, and liquid crystal display apparatus

Abstract

A multilens member is provided, the multilens member including a base member which has light transmissivity; a plurality of first lenses which are formed on the base member; and a plurality of second lenses which are formed on the plurality of first lenses and which are joined to the plurality of first lenses on first surfaces opposed to the base member; wherein the first surfaces of the second lenses have junction which are joined to the first lenses and overhang which overhangs outwardly from the junction portions. That is, the multilens member having the overhang shape is provided. Accordingly, it is possible to provide the optical member which improves the optical performance of an illumination apparatus and which realizes the thin size and the low cost of the illumination apparatus and a liquid crystal display apparatus.

Claims18

Dependent claims

A multilens member comprising:

a base member which has light transmissivity;
a plurality of first lenses which are formed on the base member;
and
a plurality of second lenses each of which has a first surface facing the base member, and each of which is joined onto one of the first lenses at the first surface, wherein:
the first surface of each of the second lenses has a junction which is joined to one of the first lenses and an overhang which overhangs outwardly from the junction.

2 more elements

Dependencies are inferred from the claim text.

Multilens member, illumination apparatus, and liquid crystal display apparatus

Life of this patent

Multilens member, illumination apparatus, and liquid crystal display apparatus

Life of this patent

Abstract

Claims18