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US 10,023,492 B2Granted
Bismuth borate glass encapsulant for LED phosphors
AssigneeCorning Incorporated
InventorsBruce Gardiner Aitken, Michael Edward Badding, Nicholas Francis Borrelli, Nadja Teresia Lonnroth, Mark Alejandro Quesada
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Abstract
Embodiments are directed to glass frits containing phosphors that can be used in LED lighting devices and for methods associated therewith for making the phosphor containing glass frit and their use in glass articles, for example, LED devices.
Claims6
A method for making a glass article comprising:
- providing a glass composition comprising Bi2O3 and at least 30 mol % B2O3;
- melting the composition and forming the melted composition into a glass;
- grinding the glass into particles to form a frit glass having the composition;
- blending the frit glass with one or a more phosphors to form a phosphor-frit glass mixture;
- converting the phosphor-frit glass mixture into a paste by adding at least one organic liquid to the mixture;
- applying the paste onto a surface;
- and
- firing the applied paste to burn out organic material to form a phosphor-frit glass.
5 more elements
Dependencies are inferred from the claim text.