Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 16, 2011
Patent Application Number
10595942
Date Filed
October 13, 2004
Patent Primary Examiner
Patent abstract
An optical material includes lithium tantalate, and a molar composition ratio of lithium oxide and tantalum oxide (Li2O/Ta2O5) in the lithium tantalate is in the range of 0.975 to 0.982. Since an optical material having a high refractive index is provided in an optical unit, at the same focal distance, a lens thickness can be significantly reduced. As a result, an optical electronic component and an optical electronic device including the optical material has a reduced size and thickness and is highly functional.
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