Inkjet printing of microlenses for photonic applications

Details Inkjet printing of microlenses for photonic applications Inkjet printing of microlenses for photonic applications

2008-06-18

2011-10-18

Walford, Natalie (Department: 2879)

Electric lamp and discharge devices

With luminescent solid or liquid material

Solid-state type

C313S483000, C313S500000, C313S501000, C313S504000, C313S505000, C427S162000, C427S064000

Reexamination Certificate

active

08040058

ABSTRACT:
The preparation of microlenses on a substrate and light emitting devices employing microlenses on the surface from which light is emitted is described. The miscrolenses are formed on a surface that has been coated to have functionality that promotes a sufficiently large contact angle of the microlense on the surface and contains functionality for bonding the microlense to the coating. The microlenses are formed on the coating by deposition of a microlense precursor resin as a microdrop by inkjet printing and copolymerizing the resin with the bonding functionality in the coating. The coating can be formed from a mixture of silane coupling agents that contain functionality in some of the coupling agents that is copolymeriable with the resin such that the microlens can be formed and bonded to the surface by photopolymerization.

REFERENCES:
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patent: 2002/0196563 (2002-12-01), Itoh
patent: 2010/0201256 (2010-08-01), Xue et al.
Huang, W., et al., “Fabrication of a microlens array using ink-jet printing on a pre-patterned substrate by self-assembled monolayers,”Poster Presentation at Preferred Micro- and Nano-Engineering 2006 Session: Nanoscale Engineering&Fabrication.

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