Lightwave Logic Inc (LWLG)

[forztnt2]

Patent will be issued 7 May 24 as per USPTO website.

Nonlinear Optical Chromophores Having Tetrahydrocarbazole Donor Groups, Lyotropic Compositions Containing the Same, and Methods of Poling Such Compositions. Patent # 11976232. Application #18/078337 that was allowed 4 Jan 24.

BRIEF SUMMARY OF THE INVENTION

[0007] The present invention is directed, in general, to nonlinear optical chromophores which form lyotropic mixtures in a solvent and exhibit liquid crystalline properties. Various embodiments of the present invention can thus provide improved poling efficiency.

[0008] Various embodiments of the invention exhibit liquid crystalline properties and form lyotropic compositions when mixed with a solvent. For example, in certain embodiments, the chromophores display lyotropic nematic liquid crystal phases in polar organic solvents. Resulting liquid crystalline properties provide a mechanical anisotropic effect allowing for the formation of a non-centrosymmetric chromophore-polymer matrix without the application of an electric field. In accordance with various embodiments described herein, a sufficient electro-optic coefficient (r.sub.33) can be induced mechanically, alleviating the need for the application of poling temperature and electric field, typically 170° C. & 100 v/pm. The liquid crystalline properties and the lyotropic compositions allow for milder processing conditions and, thus, higher poling efficiency

GLTA