Microlens array and method for manufacturing the same
AssigneeJapan Display Inc.
InventorJunko NAGASAWA
Life of this patent
Estimating the term…
Abstract
According to one embodiment, a method for manufacturing a microlens array includes forming a first resin layer, exposing the first resin layer through a photomask, developing the first resin layer to form a vacant space of the first resin layer, melting the first resin layer to form a first microlens, forming a second resin layer over the first microlens and the vacant space, exposing the second resin layer in a state where a light shielding portion faces the vacant space and a light transmissive portion faces the first microlens, developing the second resin layer, and melting the second resin layer to form a second microlens in contact with the first microlens.
Claims16
A method for manufacturing a microlens array comprising:
- forming a first resin layer that is photosensitive on a base layer;
- exposing the first resin layer through a photomask including a light shielding portion and a light transmissive portion;
- developing the first resin layer to form a vacant space of the first resin layer;
- melting the first resin layer that is remaining to form a first microlens;
- forming a second resin layer that is photosensitive over the first microlens and the vacant space;
- exposing the second resin layer in a state where a light shielding portion of a photomask faces the vacant space and a light transmissive portion of the photomask faces the first microlens;
- developing the second resin layer to remove the second resin layer on the first microlens;
- and
- melting the second resin layer that is remaining to form a second microlens in contact with the first microlens.
A method for manufacturing a microlens array comprising:
- forming a first resin layer that is photosensitive over a first area and a second area adjacent to each other on a base layer;
- exposing the first resin layer in a state where a light shielding portion of a photomask faces the first area and a light transmissive portion of the photomask faces the second area;
- developing the first resin layer to remove the first resin layer in the second area;
- melting the first resin layer that is remaining in the first area to form a first microlens;
- forming a second resin layer that is photosensitive over the first microlens and the second area;
- exposing the second resin layer in a state where a light shielding portion of a photomask faces the second area and a light transmissive portion of the photomask faces the first microlens;
- developing the second resin layer to remove the second resin layer on the first microlens;
- and
- melting the second resin layer that is remaining in the second area to form a second microlens in contact with the first microlens.
A microlens array comprising:
- a base layer;
- and
- a first microlens and a second microlens that are disposed on the base layer and are in contact with each other, wherein
- a whole of an edge of the first microlens is in contact with the base layer, and
- a portion of an edge of the second microlens is in contact with a surface of the first microlens.
Dependencies are inferred from the claim text.