| Patent application number | Description | Published |
|---|
| 20090135462 | CLEAR TO CIRCULAR POLARIZING PHOTOCHROMIC DEVICES AND METHODS OF MAKING THE SAME - The present invention provides optical elements comprising a photochromic linear polarizing element and a birefringent layer that circularly or elliptically polarizes transmitted radiation. The photochromic linear polarizing element comprises a substrate and either: (1) a coating comprising an aligned, thermally reversible photochromic-dichroic compound having an average absorption ratio of at least 1.5 in an activated state, and being operable for switching from a first absorption state to a second absorption state in response to actinic radiation, to revert back to the first absorption state in response to thermal energy, and to linearly polarize transmitted radiation in at least one of the two states; or (2) an at least partially ordered polymeric sheet connected to the substrate; and a thermally reversible photochromic-dichroic compound that is at least partially aligned with the polymeric sheet and has an average absorption ratio greater than 2.3 in the activated state. | 05-28-2009 |
| 20090146104 | ALIGNMENT FACILITIES FOR OPTICAL DYES - Various non-limiting embodiments disclosed herein provide phase-separating polymer systems including a cured polymeric liquid crystal matrix phase and a guest phase including at least one photoactive material where the guest phase separates from the matrix phase during the curing process. Optical elements, including ophthalmic elements and other articles of manufacture including the phase-separating polymer systems are also disclosed. Methods of forming a liquid crystal phase-separating photoactive polymer system are also described. | 06-11-2009 |
| 20090309076 | PHOTOCHROMIC COMPOUNDS - A photochromic compound is provided, which may be a pyran, an oxazine, or a fulgide. The photochromic compound has at least one substituent Q attached thereto, each Q independently being —N | 12-17-2009 |
| 20090323011 | MESOGEN CONTAINING COMPOUNDS - Compounds including at least one mesogenic substructure and at least one long flexible segment and methods of synthesizing the same are disclosed. Formulations which include various embodiments of the mesogen containing compounds and their use in articles of manufacture and ophthalmic devices are also disclosed. | 12-31-2009 |
| 20090323012 | LIQUID CRYSTAL COMPOSITIONS COMPRISING MESOGEN CONTAINING COMPOUNDS - Liquid crystal compositions comprising compounds including at least one mesogenic substructure and at least one long flexible segment and a compound selected from a photochromic compound, a dichroic compound and a photochromic-dichroic compound and methods of synthesizing the same and their use in articles of manufacture and ophthalmic devices are disclosed. | 12-31-2009 |
| 20090326186 | MESOGEN CONTAINING COMPOUNDS - Compounds including at least one mesogenic substructure and at least one long flexible segment and methods of synthesizing the same are disclosed. Formulations which include various embodiments of the mesogen containing compounds and their use in articles of manufacture and ophthalmic devices are also disclosed. | 12-31-2009 |
| 20100014010 | FORMULATIONS COMPRISING MESOGEN CONTAINING COMPOUNDS - Compounds including at least one mesogenic substructure and at least one long flexible segment and methods of synthesizing the same are disclosed. Formulations which include various embodiments of the mesogen containing compounds and their use in articles of manufacture and ophthalmic devices are also disclosed. | 01-21-2010 |
| 20100157241 | OPTICAL ELEMENTS WITH ALIGNMNET FACILITIES FOR OPTICAL DYES - The present invention relates to optical elements, such as but not limited to ophthalmic elements, comprising an alignment facility for an optical dye. The optical elements include a substrate; and an alignment facility for an optical dye connected to at least a portion of the substrate, where the alignment facility is an at least partial coating of an at least partially ordered liquid crystal material having at least a first general direction. | 06-24-2010 |
| 20110080628 | CLEAR TO CIRCULAR POLARIZING PHOTOCHROMIC DEVICES - The present invention provides composite optical elements including a photochromic linear polarizing element and a birefringent layer such that composite optical element circularly or elliptically polarizes transmitted radiation. The photochromic linear polarizing element is formed from (i) an at least partially ordered polymeric sheet; and (ii) a reversible photochromic-dichroic material that is at least partially aligned with the polymeric sheet and has an average absorption ratio of at least 1.5 in the activated state. The birefringent layer includes a polymeric coating or a polymeric sheet connected to the photochromic linear polarizing element. | 04-07-2011 |
| 20110128457 | ALIGNMENT FACILITIES FOR OPTICAL DYES - Provided are phase-separating polymer systems including a cured polymeric liquid crystal matrix phase and a guest phase including at least one photoactive material where the guest phase separates from the matrix phase during the curing process. Optical elements, including ophthalmic elements and other articles of manufacture including the phase-separating polymer systems are also disclosed. Methods of forming a liquid crystal phase-separating photoactive polymer system are also described. | 06-02-2011 |
| 20110129678 | Photochromic compounds and compositions - Described herein are compounds generally comprising an indeno[2′,3′:3,4]naptho[1,2-b]pyran structure. Such compounds may be useful for their photochromic properties, and be used in certain photochromic compositions. Such compositions may further comprise other photochromic compositions and/or materials. Additionally, such compounds and/or compositions may be suitable for preparing certain photochromic articles. Also described herein are methods for preparing certain photochromic compounds, compositions, and articles. | 06-02-2011 |
| 20110135850 | PHOTOALIGNMENT MATERIALS HAVING IMPROVED ADHESION - The present disclosure provides for new photoalignment (co)polymer materials which demonstrate improved adhesion to a substrate. The (co)polymeric structure includes at least one photochemically active chromophore and at least one adhesion promoter group. Articles of manufacture, optical elements, ophthalmic elements and liquid crystal cells which include at least one photoalignment layer made from the photoalignment (co)polymer materials and methods for formation are also disclosed. | 06-09-2011 |
| 20110140056 | Indeno-fused ring compounds - The present invention relates to compounds represented by the following Formulas (I) and (II), | 06-16-2011 |
| 20110143141 | Photochromic compounds and compositions - The present invention relates to compounds represented by the following Formula I, | 06-16-2011 |
