MICROLENS ARRAY, A METHOD FOR MAKING A TRANSFER MASTER PATTERN FOR MICROLENS ARRAY, A CONCAVE AND CONVEX PATTERN OBTAINED FROM THE TRANSFER MASTER PATTERN, A LAMINATE FOR TRANSFER, A DIFFUSE REFLECTION PLATE AND A LIQUID CRYSTAL DISPLAY DEVICE
US6898015B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Sep 26, 2003 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | Sep 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/03
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A microlens array having a substrate and microlenses of a substantially circular profile provided on the substrate and each arranged such that a major axis and a minor axis thereof, which pass through a center of the substantially circular profile and intersect at 90 degrees, are substantially equal in length to each other, and sectional forms at faces vertical to an axis parallel to the major axis or the minor axis are, respectively, made of the same curved shape at any position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.