...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Application No. | Application Title | Issue Date |
| 20110063728 | Delay line interferometers The specification describes delay line interferometer designs using combinations of basic optical components that are expected to simplify manufacture and reduce costs while still providing precision optical performance. The main operative components of these designs ar... | 03/17/2011 |
| 20110043736 | LIQUID CRYSTAL DISPLAY AND BIAXIAL COMPENSATION FILM A liquid crystal display including a liquid crystal panel and a biaxial compensation film is provided. The liquid crystal panel has a first surface and a second surface. The biaxial compensation film is disposed on the first surface and includes a C-plate compensation f... | 02/24/2011 |
| 20100246368 | LAMINATED HALF-WAVE PLATE, OPTICAL PICKUP DEVICE, POLARIZATION CONVERTER, AND PROJECTION DISPLAY APPARATUS A laminated half-wave plate includes: first and second wave plates having optical axes intersecting each other, wherein when phase differences of the first and second wave plates with respect to a wavelength λ are represented by Γ1 and Γ2, in-pl... | 09/30/2010 |
| 20100245772 | OPTICAL FILTER, PROJECTION DISPLAY, AND METHOD FOR MANUFACTURING OPTICAL FILTER An optical filter capable of removing an unnecessary component of incident light. The optical filter has a transparent body of a flat plate-like shape. A plurality of filtering layers, each that separate an unnecessary polarization component of incident light from a nec... | 09/30/2010 |
| 20100239245 | Polarization Mode Emulators and Polarization Mode Dispersion Compensators Based on Optical Polarization Rotators with Discrete Polarization States Systems, devices and techniques for generating and analyzing states of polarization in light using multiple adjustable polarization rotators having different discrete polarization rotation states in various applications.... | 09/23/2010 |
| 20100177267 | Integrated Wide Viewing Film and in-Plane Switching Liquid Crystal Display with the Same There is provided an integrated wide viewing film including: a first film having an optical axis located in-plan; and a second film having an optical axis located in a thickness direction thereof, and inclined at a 5predetermined angle in an in-plane direction. The IPS-... | 07/15/2010 |
| 20100124667 | ISOTROPIC LAYER OF MULTILAYER OPTICAL FILM COMPRISING BIREFRINGENT THERMOPLASTIC POLYMER Multilayer optical films are described comprising at least one first optical layer comprising a birefringent thermoplastic polymer having an in-plane birefringence of at least 0.15 at 632.8 nm; and at least one second optical layer having an in-plane birefringence of le... | 05/20/2010 |
| 20100079864 | OPTICAL SHEET An optical sheet including a plurality of optical anisotropic films is provided. The optical anisotropic films of the optical sheet are alternately stacked on one another. Each optical anisotropic film has a plurality of main axis refractive indexes nx, ny and nz. The m... | 04/01/2010 |
| 20100026936 | Elliptical Polarizer and Vertical Alignment Type Liquid Crystal Display Device Comprising the Same An elliptical polarizer with excellent viewing angle characteristics is provided which comprises at least a first polarizer, a first optical anisotropic layer, a second optical anisotropic layer, and a third optical anisotropic layer, laminated in this order, wherein th... | 02/04/2010 |
| 20100007823 | BRIGHTNESS ENHANCEMENT FILM AND LIQUID CRYSTAL DISPLAY DEVICE Provided are a brightness enhancement film and a liquid crystal display device which has a high ability for enhancing a luminance, has a more excellent ability for improving a luminance unevenness than conventional ones and may reduce an occurrence of a color unevenness... | 01/14/2010 |
| 20100002171 | POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY APPARATUS An object of the present invention is to provide a thin polarizing plate exhibiting a high contrast ratio. A polarizing plate of the present invention includes: a polarizer; a first protective layer provided on one side of the polarizer; and a second protective layer pr... | 01/07/2010 |
| 20090296214 | OPTICAL ELEMENT AND OPTICAL APPARATUS An optical element including a first layer (011) made of a medium having optical anisotropy, wherein a difference between refractive indexes nh and nl (nh>nl) at a central wavelength λ for first and second polarized... | 12/03/2009 |
| 20090251776 | MULTILAYER POLARIZING FIBERS AND POLARIZERS USING SAME A polarizing film is made of multilayer polarizing fibers embedded within a matrix. The fibers are formed with layers of at least a first and a second polymer material. Layers of the first polymer material are disposed between layers of the second polymer material. At l... | 10/08/2009 |
| 20090153964 | METHODS FOR REDUCING POLARIZATION ABERRATION IN OPTICAL SYSTEMS An optical system includes multiple cubic crystalline optical elements and one or more uniaxial birefringent elements in which the crystal lattices of the cubic crystalline optical elements are oriented with respect to each other to reduce the effects of intrinsic biref... | 06/18/2009 |
| 20090147152 | LIGHTING SYSTEM AND PROJECTION TYPE VIDEO DISPLAY APPARATUS UTILIZING THE SAME A lighting system requiring no precision adjustments thereof and having reduced luminance inhomogeneity is provided, along with a projection type video display apparatus utilizing such lighting system. The lighting system has: a multiplicity of light sources (1 06/11/2009 | |
| 20090128909 | Birefringent filter using reflective polarizers and dichroic elements An optical filter uses two or more reflective polarizers together with retarders to form birefringent filters with controlled transmission. The energy reflected by these polarizers is absorbed by one or more dichroic elements, which can be adjacent to a reflective polar... | 05/21/2009 |
| 20090122402 | Achromatic Converter Of A Spatial Distribution Of Polarization Of Light An achromatic converter of spatial distribution of polarization from a first to a second pre-defined distribution of polarization is described. The converter comprises a plurality of photo-aligned quarter-wave or half-wave liquid crystal polymer layers, wherein the patt... | 05/14/2009 |
| 20090097117 | CURVED OPTICAL FILTERS Curved polarization filters and methods of manufacturing such filters are described in the present disclosure. An exemplary method includes laminating a planar polarization layer to a planar retarder layer at a predetermined orientation and bending the laminate to creat... | 04/16/2009 |
| 20090067049 | POLARIZATION CONTROL SYSTEM AND PROJECTOR A phase compensation element is disposed between a reflective type display element and a polarizing beam splitter. Composed of a crystal structure retardation layer functioning as a quarter-wave plate and an inclined-axis retardation layer functioning as an O-plate, the... | 03/12/2009 |
| 20090034072 | METHOD AND APPARATUS FOR DECORRELATION OF SPATIALLY AND TEMPORALLY COHERENT LIGHT A method and apparatus for decorrelating coherent light from a light source, such as a pulsed laser, in both time and space in an effort to provide intense and uniform illumination are provided. The techniques and apparatus described herein may be incorporated into any ... | 02/05/2009 |
| 20090021830 | PROJECTION LENS OF A MICROLITHOGRAPHIC EXPOSURE SYSTEM In some embodiments, the disclosure provides a projection lens configured to configured to image radiation from an object plane of the projection lens to an image plane of the projection lens. The projection lens can, for example, be used in a microlithographic projecti... | 01/22/2009 |
| 20080291389 | Elliptically Polarizing Plate and Image Display Apparatus Using the Same Provided is a very thin elliptically polarizing plate having broadband and wide viewing angle, a simple method of producing the same, and an image display apparatus using the elliptically polarizing plate. An elliptically polarizing plate of the present invention includ... | 11/27/2008 |
| 20080278799 | PROJECTION OBJECTIVE OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS A projection objective of a microlithographic projection exposure apparatus is disclosed. The projection objective can project an image of a mask that can be set in position in an object plane onto a light-sensitive coating layer that can be set in position in an image ... | 11/13/2008 |
| 20080239490 | Wide-acceptance-angle circular polarizers A circular polarizer comprising a single linear polarizer producing a linear state of polarization and at least one phase retardation film layered with the single linear polarizer. In a first embodiment, the at least one phase retardation film includes at least one unia... | 10/02/2008 |
| 20080204877 | ILLUMINATION SYSTEM OR PROJECTION LENS OF A MICROLITHOGRAPHIC EXPOSURE SYSTEM In some embodiments, the disclosure provides an optical system, in particular an illumination system or a projection lens of a microlithographic exposure system, having an optical system axis and at least one element group including three birefringent elements each of w... | 08/28/2008 |
| 20080198305 | POLARIZER, METHOD OF FABRICATING THE SAME AND LIQUID CRYSTAL DISPLAY HAVING THE SAME Disclosed are a polarizer, a method for fabricating the same, and a liquid crystal display having the same. The liquid crystal display includes a liquid crystal panel and a polarizer attached to the liquid crystal panel. The polarizer includes a polarizing film, a first... | 08/21/2008 |
| 20080192184 | Single-Layer Birefringent Crystal Trim Retarders A single-layer birefringent crystal trim retarder includes a birefringent crystal cut such that its optic axis is at a high oblique angle and such that it provides low in-plane retardance values even when the birefringent crystal is relatively thick. To compensate for t... | 08/14/2008 |
| 20080158674 | WAVEPLATE UTILIZING FORM BIREFRINGENCE AND WAVEPLATE MANUFACTURING METHOD A waveplate including a dielectric substrate and a periodic structure formed on the dielectric substrate, said periodic structure having a period which is equal to or smaller than a wavelength of an incident light, wherein the periodic structure is constructed of a depo... | 07/03/2008 |
| 20080151373 | Optical Film, Polarizing Plate and Liquid Crystal Display [Problems] To provide an optical film for a liquid crystal display that has good viewing angle compensation effects such as preventing color dropout (coloration) and achieving high contrast in all directions when used in a liquid crystal display. | 06/26/2008 |
| 20080094706 | Polarized light conversion apparatus A polarized light conversion apparatus comprises a polarization device, a light source, a reflection device and a phase changing device. The polarization device includes a light-transmissible body and a polarization film. The light-transmissible body includes an inciden... | 04/24/2008 |
| 20080088816 | MICROLITHOGRAPH SYSTEM An optical system of a microlithographic exposure apparatus comprises at least one optical element (L1 to L16, 15, 16, 24) having a locally varying birefringence direction distribution that is caused by stress-induced birefringence and is at least substant... | 04/17/2008 |
| 20080055724 | OPTICAL DEVICES CONTAINING BIREFRINGENT POLYMER FIBERS A display system has a display panel and at least one light source for producing light to illuminate the display panel. A polarizer film may be employed between the display panel and the light source. At least one of the polarizing fibers has multiple internal birefring... | 03/06/2008 |
| 20080043331 | PROJECTION OBJECTIVE OF A MICROLITHOGRAPHIC PROJECTION EXPOSURE APPARATUS Projection objectives of micro-lithographic projection exposure apparatuses, as well as related methods and components, are disclosed. ... | 02/21/2008 |
| 20070211341 | Image scan apparatus, MFP and sub-scan magnification adjustment method An image scan apparatus includes a scanner including: a document table on which a document is placed; a carriage which scans a read area of an image; a stepping motor which moves the carriage; an image processing unit which processes an image signal resulted from scanni... | 09/13/2007 |
| 20070211340 | System, apparatus and method for high efficiency low leakage LCD polarizer An apparatus for a liquid crystal display is described herein. An apparatus includes a polarizer film configured to receive light from a liquid crystal display and an optical polarizer screen configured to filter light for the liquid crystal display. The optical polariz... | 09/13/2007 |
| 20070195413 | Birefringence optical element and manufacturing method thereof A mask with an opening pattern is placed on a substrate, and etching is carried out by use of anisotropy etching of crystal. The opening pattern of the mask is composed of broken lines, each of which is discontinued by discontinuing portions. By the etching, a birefring... | 08/23/2007 |
| 20070139773 | Method of producing elliptically polarizing plate and image display using the elliptically polarizing plate The present invention provides: a method of producing a broadband and wide viewing angle elliptically polarizing plate having excellent characteristics in an oblique direction as well; and an image display using the elliptically polarizing plate obtained through the met... | 06/21/2007 |
| 20070139772 | OPTICAL BIREFRINGENCE FILTERS WITH INTERLEAVED ABSORPTIVE AND ZERO DEGREE REFLECTIVE POLARIZERS A wavelength discriminating optical filter has birefringent retarders stacked between polarizing filters, in relative rotational orientations causing passband wavelengths to emerge in a polarization state aligned to a second such polarizing filter, for transmission, whe... | 06/21/2007 |
| 20070091439 | Refractive boundary elements, devices, and materials An optical device includes an interface between two or more media. The refractive indices, orientations of media, and alignment relative to a propagating wave define a refractive boundary at which reflections may be reduced or eliminated, and at which, for certain incid... | 04/26/2007 |
| 20070070501 | Broad spectral range polarization rotator A switchable apochromatic polarization rotator is provided. A first fixed waveplate has a first principal axis fixed in a first orientation. A second fixed waveplate has a second principal axis fixed in a second orientation. First and second switchable waveplates have p... | 03/29/2007 |