Patent application number | Description | Published |
20090128769 | COMPOUND, LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATERIAL AND OPTICAL DEVICE - A compound of the following formula (1): | 05-21-2009 |
20100038587 | BIFUNCTIONAL POLYMERIZABLE COMPOUND, LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATERIAL AND OPTICAL ELEMENT - A bifunctional polymerizable compound represented by the following formula: | 02-18-2010 |
20110063966 | COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICAL ELEMENT AND OPTICAL INFORMATION WRITING/READING DEVICE - A compound having a good durability against light and capable of producing desired liquid crystallinity after polymerization, and a polymerizable liquid crystal composition containing such a compound, are provided. Further, an optical element having a good durability against light, and an optical information writing/reading device employing such an element, are provided. | 03-17-2011 |
20110069241 | LIQUID CRYSTAL COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICALLY ANISOTROPIC MATERIAL, OPTICAL ELEMENT AND OPTICAL INFORMATION WRITING/READING DEVICE - A liquid crystal compound having a good durability against light, a polymerizable liquid crystal composition and an optically anisotropic material are provided. Further, an optical element having a good durability against light and an optical information writing/reading device employing such an element are provided. | 03-24-2011 |
20110089372 | OPTICALLY ANISOTROPIC MATERIAL, OPTICAL ELEMENT AND OPTICAL INFORMATION WRITING/READING DEVICE - An optically anisotropic material having a good durability against light is provided. Further, an optical element having a good durability against light and an optical information writing/reading device employing such an element are provided. | 04-21-2011 |
20120123074 | DI(METH)ACRYLATE COMPOUND, POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, OPTICAL ANISOTROPIC MATERIAL, OPTICAL ELEMENT AND OPTICAL INFORMATION WRITING/READING DEVICE - The present invention provides an optical anisotropic material having a good light stability, and provides a di(meth)acrylate compound represented by the following formula (1) and a polymerizable liquid crystalline composition that are suitable for the production of the optical anisotropic material. Further, the present invention provides an optical element having a good light stability and an optical information writing/reading device using the same. | 05-17-2012 |
Patent application number | Description | Published |
20100149950 | LIQUID CRYSTAL OPTICAL MODULATION ELEMENT AND OPTICAL HEAD DEVICE - To provide a liquid crystal optical modulation element which is excellent in durability against blue laser and which can maintain the characteristics for a long period of time. | 06-17-2010 |
20110037910 | LIQUID CRYSTAL OPTICAL MODULATION ELEMENT AND OPTICAL HEAD DEVICE - To provide a liquid crystal optical modulation element which is excellent in durability against blue laser and which can maintain the characteristics for a long period of time. | 02-17-2011 |
20130163399 | LIQUID CRYSTAL ALIGNMENT FILM, PROCESS FOR ITS PRODUCTION, OPTICAL ELEMENT USING THE LIQUID CRYSTAL ALIGNMENT FILM, AND OPTICAL INFORMATION WRITING/READING DEVICE - To provide a liquid crystal alignment film having a sufficient alignment-regulating power and high resistance against blue laser beam and having, at the same time, excellent adhesion, and an optical element using it. A liquid crystal alignment film obtainable by bonding, by chemisorption to a substrate, an alignment-regulating precursor which undergoes anisotropic decomposition by irradiation with polarized ultraviolet light, and irradiating the alignment-regulating precursor bonded to the substrate, with polarized ultraviolet light, to let it undergo anisotropic decomposition and exhibit an alignment-regulating power. | 06-27-2013 |
20140091419 | OPTICAL FILTER, SOLID-STATE IMAGING ELEMENT, IMAGING DEVICE LENS AND IMAGING DEVICE - The present invention relates to an optical filter, a solid-state imaging element and an imaging device lens which contain a near infrared ray absorbing layer having a specific near infrared ray absorbing dye dispersed in a transparent resin having a refractive index of 1.54 or more, and also relates to an imaging device containing the solid-state imaging element or the imaging device lens. The near infrared ray absorbing layer has a transmittance of visible light of from 450 to 600 nm of 70% or more, a transmittance of light in a wavelength region of from 695 to 720 nm of not more than 10%, and an amount of change of transmittance of not more than −0.8 | 04-03-2014 |
Patent application number | Description | Published |
20120269050 | POLYMER COMPOUND, COMPOSITION FOR ALIGNMENT FILM, ALIGNMENT FILM, OPTICAL ELEMENT, AND OPTICAL INFORMATION WRITING/READING DEVICE - To provide a polymer compound capable of forming an alignment film which has a sufficient aligning performance to a liquid crystalline compound and which is excellent also in adhesion with an optical anisotropic film obtainable by polymerizing a liquid crystalline compound in an aligned state, and a composition containing it, as well as an alignment film obtainable by using such a composition, an optical element and an optical information writing/reading device. Provided is a polymer compound comprising polymerized units derived from a fumaric acid diester and polymerized units having a radical polymerizable group in a side chain. By using this polymer compound, an alignment film is prepared. An optical element having this alignment film and an optical anisotropic film is used as a retardation plate | 10-25-2012 |
20140055652 | OPTICAL FILTER AND SOLID-STATE IMAGING DEVICE - An optical filter including a near infrared absorbing layer on a glass substrate, in which adhesiveness between the glass substrate and the near infrared absorbing layer is firm, high reliability is enabled in uses under a high temperature and high humidity environment, and manufacturing yield is secured, and a high reliability solid-state imaging device having the optical filter are provided. An optical filter includes: a glass substrate; and a near infrared absorbing layer formed on one principal surface of the glass substrate, wherein the near infrared absorbing layer is obtained by reacting a composition for forming the near infrared absorbing layer on the glass substrate and the composition contains a transparent resin having a fluorene skeleton and a reactivity group; a near infrared absorbing dye; and a silane coupling agent and/or oligomer thereof having a hydrolyzable group and a functional group which have reactivity for the reactivity group. | 02-27-2014 |