Micro-lens array substrate and method for manufacturing thereof

Details Micro-lens array substrate and method for manufacturing thereof Micro-lens array substrate and method for manufacturing thereof

2011-07-12

2011-07-12

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S619000

Reexamination Certificate

active

07978413

ABSTRACT:
A micro-lens substrate having a precise micro-lens array suitable for higher resolution, the micro-lens array substrate of high quality without having a distortion, and a method for manufacturing thereof are provided.In the micro-lens array substrate of the present invention, a micro-lens array formed of a plurality of consecutive concave lens-shaped micro-lenses is directly formed in a surface of a quartz substrate or glass substrate, and the micro-lens array is formed by a transfer method based on dry-etching. In the micro-lens array substrate of the present invention, a taper portion is formed toward the surface of the substrate in a peripheral portion of the micro-lens array in the quartz substrate or glass substrate.In a method for manufacturing the micro-lens array substrate of the present invention, a resist layer having a plurality of consecutive lens-shaped concave portions is formed in a surface of a quartz or glass substrate, the lens-shaped concave portion of the resist layer is transferred to the substrate by dry-etching, and a micro-lens array is formed by injecting a resin into the lens-shaped concave portion of this substrate. In addition, a taper portion is formed in a peripheral portion similarly to the formation of the lens-shaped concave portion, and a micro-lens array is formed by injecting a resin into the lens-shaped concave portion and taper portion.

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