Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7957062 | Polarizing element and liquid crystal projector A polarizing plate having a desired extinction ratio in a visible light region and light resistance against intense light, and a liquid crystal projector using the above polarizing plate are provided. A polarizing element includes a substrate transparent to visible ... | 06/07/2011 |
| 7916389 | Polarizer and manufacturing method thereof A polarizer includes including a translucent substrate a diffraction grating which is formed on the translucent substrate and which has a plurality of convex portions that are aligned so as to have a frequency which is equal to or less than a wavelength of light to ... | 03/29/2011 |
| 7907338 | Microfabricated optical wave plate A microfabricated optical wave plate comprises a reflective polarizer and a mirror separated by a fixed or variable distance. The wave plate imparts a relative phase delay on polarization components of incident light, thereby transforming the overall polarization of... | 03/15/2011 |
| 7894133 | Optical element and optical device A disclosed optical element includes: a transparent substrate; a subwavelength structure layer disposed on the transparent substrate, the subwavelength structure layer having a refractive index different from a refractive index of the transparent substrate; a minute... | 02/22/2011 |
| 7885004 | Optical element, liquid crystal device, and display An optical element having a function of splitting incident light into polarized beams includes a substrate transparent for the incident light; a diffractive structure that includes a plurality of concave portions and a plurality of convex portions alternately arrang... | 02/08/2011 |
| 7872803 | Grid polarizing film, method for producing the film, optical laminate, method for producing the laminate, and liquid crystal display A lengthy grid polarizer film comprising a lengthy resin film and a plurality of grid lines provided on the surface and/or inside of the resin film and extending substantially in parallel with each other are provided, the grid lines being made of a material G being ... | 01/18/2011 |
| 7813039 | Multilayer wire-grid polarizer with off-set wire-grid and dielectric grid A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelen... | 10/12/2010 |
| 7800823 | Polarization device to polarize and further control light A polarization device includes an optical stack with a diffraction grating and a wire grid polarizer with one disposed over the other. The wire grid polarizer includes an array of elongated, parallel conductive wires in accordance with PWGP | 09/21/2010 |
| 7692860 | Wire grid polarizer and method of manufacturing the same A wire grid polarizer includes a substrate adapted to transmit predetermined wavelengths of light, a plurality of dielectric wires extending parallel to one another along a first direction on the substrate, the dielectric wires including a dielectric material adapte... | 04/06/2010 |
| 7633678 | Optical element, polarizing element, lighting device, and liquid crystal display An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so ... | 12/15/2009 |
| 7630133 | Inorganic, dielectric, grid polarizer and non-zero order diffraction grating An inorganic, dielectric grid polarizer includes an optical stack with a diffraction grating and an inorganic, dielectric grid polarizer. The inorganic, dielectric grid polarizer includes a stack of film layers with an array of parallel ribs in accordance with P | 12/08/2009 |
| 7630134 | Optical element, polarizing element, lighting device, and liquid crystal display An optical element of the invention comprises at least two laminated layers of reflective polarizer; and at least one retardation layer for changing polarization properties laminated between the reflective polarizers, the combination of the layers being designed so ... | 12/08/2009 |
| 7630132 | Polarization control device A polarization control device includes a support substrate on which a metal compound structure is formed. The metal compound structure is formed with at least two metal fine structures arranged periodically in a range equal to or smaller than a wavelength of an inci... | 12/08/2009 |
| 7583439 | Wide-angle and broadband polarization converter Apparatus and methods for a polarization converter comprising a polarization beam splitter for receiving an input light beam and allows a transverse magnetic to pass through the polarization beam splitter and reflects a transverse electric wave and a diffraction gra... | 09/01/2009 |
| 7570424 | Multilayer wire-grid polarizer A multilayer wire-grid polarizer for polarizing light includes a stack of thin film layers disposed over a substrate, including a wire-grid array of elongated metal elements having lengths longer than a wavelength of the light and a period less than half the wavelen... | 08/04/2009 |
| 7561332 | Applications and fabrication techniques for large scale wire grid polarizers A wire grid polarizer may be fabricated by forming plurality of substantially-straight metallic lines of predetermined periodicity Λ on a thin film substrate A plurality of substantially straight nanometer-scale periodic surface relief structures is created on a su... | 07/14/2009 |
| 7545564 | Universal broadband polarizer, devices incorporating same, and method of making same A polarization dependent device suitable for effecting at least one polarization of a broadband portion of electromagnetic radiation incident upon the device includes a substrate, and a plurality of regions of differing refractive indices positioned in an alternatin... | 06/09/2009 |
| 7484340 | Displaying optical system and image projection apparatus A compact displaying optical system capable of reducing a speckle noise and a loss of light amount is disclosed. The displaying optical system comprises a light source which emits coherent light, and a polarization control element which has a first area and a second... | 02/03/2009 |
| 7468839 | Backlight unit and method of manufacturing a polarization film employed in the same A backlight unit having a polarization film for performing the function of a reflective polarization film, wherein the backlight unit includes a light source, an optical film and a polarization film. The light source emits a light having a certain wavelength, the op... | 12/23/2008 |
| 7466484 | Wire grid polarizers and optical elements containing them The invention relates to an optical element including a substrate, a wire grid on one side of said substrate, and prismatic light collimating features on the other side of said substrate ... | 12/16/2008 |
| 7463418 | Polarization element unit and polarization light emitting apparatus In the present wire grid polarization element unit and polarized light emitting apparatus, it is possible to prevent non-polarized light, which has bad extinction ratio from leaking from end portions of polarization elements. Specifically, in a frame, wire grid pola... | 12/09/2008 |
| 7457037 | Transparent polarizing optical products and fabrication thereof Disclosed is a polarizing, transparent optical product, the structure of which comprises a basic transparent substrate of an inorganic or organic material and, on at least one part of the external surface of said basic substrate, a polarizing coating. Said polarizin... | 11/25/2008 |
| 7414784 | Low fill factor wire grid polarizer and method of use In an example embodiment, a wire grid polarizer includes a plurality of parallel conductors having a pitch (P), a width (W), and a height (H). In example embodiments, a fill-factor (W/P) is greater than approximately 0.18 and less than approximately 0.25. In another... | 08/19/2008 |
| 7408712 | Polarization-selectively blazed, diffractive optical element A polarization-selectively blazed, diffractive optical element including multiple contiguous blaze structures extending along a given geometrical path. Each structure has a width perpendicular to direction of extension greater than the Wavelength of the electromagne... | 08/05/2008 |
| 7379241 | High efficiency phase grating having a planar reflector An apparatus for processing electromagnetic radiation. The apparatus comprises a dielectric reflector, a plurality of ridges disposed on the dielectric reflector and a plurality of grooves disposed intermediate adjacent ridges to form a diffraction grating. Each of ... | 05/27/2008 |
| 7375887 | Method and apparatus for correcting a visible light beam using a wire-grid polarizer An optical system and method for providing a visible light beam with a desired characteristic includes a visible light source producing a visible light beam defining an optical train. An optical element is disposed in the optical train to create a modified beam, and... | 05/20/2008 |
| 7371329 | Method for filtering particles from a fluid Methods for filtering particles from a fluid are disclosed, wherein an array of microstructures defining respective microchannels having respective minimum widths are used to separate the fluid from particles to be filtered. The fluid flows through the minimum width... | 05/13/2008 |
| 7369186 | Polarizing beam splitter featuring stacked grating layers and display including the same A polarizing beam splitter includes a polarization splitting layer which includes stacked one-dimensional grating layers. The grating layers can include alternating layers of at least one H layer having an effective refractive index nH for p-polarized lig... | 05/06/2008 |
| 7362507 | Polarizing beam splitter A polarizing beam splitter is disclosed that includes a first prism, a second prism, and a reflective polarizing film disposed between the first prism and the second prism. The first prism comprises a first polymeric material, and has a first outer curved surface an... | 04/22/2008 |
| 7355679 | Lithography arrangement and procedure that produces a lithography A lithography arrangement and lithographic method is described which permits exposure of a substrate with radiation simultaneously with good intensity and contrast. A means for generating electromagnetic radiation and for directing the electromagnetic radiation onto... | 04/08/2008 |
| 7351346 | Non-photolithographic method for forming a wire grid polarizer for optical and infrared wavelengths A method for forming a plurality of parallel metal lines on a substrate of thin film elastomeric material and a wire grid polarizer formed by such method. A sacrificial layer is formed by coating the substrate with a water soluble polymer while the substrate is stre... | 04/01/2008 |
| 7339734 | Polarization control element, manufacturing method of polarization control element, design method of polarization control element, and electronic equipment A manufacturing method of a polarization control element which is placed in a first medium and used and which is provided with a striped structure of a period shorter than a wavelength of light to be subject to control, the manufacturing method of a polarization con... | 03/04/2008 |
| 7319558 | Wide-band wave plate and a controlling method thereof A wide-band wave plate having at least two wave plates, each of which has a microstructure to generate a phase difference, the microstructure having a cycle not shorter than 1/nmin of a shortest wavelength of light in use, wherein the two wave plates are ... | 01/15/2008 |
| 7312913 | Imaging light source with polarization and color recovery The present invention provides a polarized colored light source for a display system in which light of other polarization states and colors are recycled. The color can be scrolled synchronously with a display. In one embodiment, the invention includes a tunnel havin... | 12/25/2007 |
| 7310454 | Photonic bandgap modulator, amplifier, demux, and TDM devices An optical device includes at least two photonic bandgap crystal (PBG) stacks that are each comprised of alternating layers of high and low index materials. A defect region is formed in a cavity region between the at least two photonic bandgap crystal stacks so as t... | 12/18/2007 |
| 7304719 | Patterned grid element polarizer The invention relates to a patterned grid polarizer for use in lithography, comprising a substrate that is transparent to ultraviolet (UV) light; and an array of elements patterned on the substrate, wherein the elements polarize UV light. The array of elements can b... | 12/04/2007 |
| 7301700 | Polarization beam splitter and optical system using the same, and image displaying apparatus, using the same The polarization beam splitter of the present invention includes a polarized beam splitting layer having a structure in which a plurality of gratings parallel to a first direction are periodically disposed in a second direction orthogonal to the first direction, and... | 11/27/2007 |
| 7301619 | Evaluating a multi-layered structure for voids A method and apparatus measure properties of two layers of a damascene structure (e.g. a silicon wafer during fabrication), and use the two measurements to identify a location as having voids. The two measurements may be used in any manner, e.g. compared to one anot... | 11/27/2007 |
| 7298935 | Waveguide polarization beam splitters and method of fabricating a waveguide wire-grid polarization beam splitter A method in effectuating the redirection of light which is propagated within a waveguide, and which eliminates the necessity for a bending of the waveguide, or the drawbacks encountered in directional changes in propagated light involving the need for sharp curves o... | 11/20/2007 |
| 7292336 | Method and instrument for detecting biomolecular interactions Method and apparatus for detecting biomolecular interactions. The use of labels is not required and the methods may be performed in a high-throughput manner. An instrument system for detecting a biochemical interaction on a biosensor. The system includes an array of... | 11/06/2007 |