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| Number | Title | Issue Date |
| 7246380 | Protective garment with repairable integrated visibility-enhancing features Protective garments such as firefighters' coats and pants are described. The garments have an outer shell material made from substantially non-overlapping panels stitched together. Some panels are specially designed and reserved for carrying an enhanced visibility m... | 07/24/2007 |
| 7245072 | Phosphor based light sources having a polymeric long pass reflector A light source includes an LED that emits excitation light, a polymeric multilayer reflector that reflects the excitation light and transmits visible light, and a layer of phosphor material spaced apart from the LED. The phosphor material emits visible light when il... | 07/17/2007 |
| 7220036 | Thin direct-lit backlight for LCD display Direct-lit backlights and associated methods are disclosed in which an array of elongated light sources is placed in a cavity between a diffuser plate and a back reflector. The back reflector is a specular reflector that can have a divergence half-angle of about 10 ... | 05/22/2007 |
| 7210977 | Phosphor based light source component and method of making A method of making a light source includes the steps of forming a first optical component having a phosphor material in fixed relation to a first multilayer interference reflector, providing a second optical component having an LED capable of emitting light that exc... | 05/01/2007 |
| 7157839 | Phosphor based light sources utilizing total internal reflection A LED package including an LED that emits excitation light at an excitation light wavelength and a layer of phosphor material positioned to receive the excitation light and having a first index of refraction at the excitation light wavelength. The phosphor material ... | 01/02/2007 |
| 7118438 | Methods of making phosphor based light sources having an interference reflector A method of manufacturing a light source includes the steps of providing a first flexible sheet that includes a first multilayer interference reflector, providing a carrier film to carry the reflector, dividing the reflector into individual pieces carried by the car... | 10/10/2006 |
| 7107622 | Vapor permeable retroreflective garment The disclosure describes vapor permeable retroreflective material for use on protective garments. The material may be formed in a non-continuous pattern that provides a high-level of retroreflective brightness, yet also provides adequate permeability to prevent expo... | 09/19/2006 |
| 7095009 | Photopic detector system and filter therefor A detector system, filter therefor, and method of making same is disclosed. The filter includes an interference element having a reflection band disposed primarily in the near infrared, and having a high transmission over most of the visible region. The filter also ... | 08/22/2006 |
| 7091653 | Phosphor based light sources having a non-planar long pass reflector A light source includes an LED that emits excitation light, an optically transparent body, a phosphor material positioned to receive the excitation light and disposed on or in the optically transparent body, the phosphor material emitting visible light when illumina... | 08/15/2006 |
| 7091661 | Phosphor based light sources having a reflective polarizer A LED package includes an LED that emits excitation light and an optically transparent body. A layer of phosphor material is positioned to receive the excitation light and is disposed on or in the optically transparent body. The phosphor material emits visible light... | 08/15/2006 |
| 7083847 | Optical film Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of multilayer mirrors and polarizers whose reflectivity for p-polarized light ... | 08/01/2006 |
| 7018713 | Flexible high-temperature ultrabarrier A flexible barrier assembly having a flexible visible light-transmissive substrate having a Tg greater than or equal to that of heat-stabilized polyethylene terephthalate (“HSPET”) overcoated with a first polymer layer having a Tg greater than or equal to that o... | 03/28/2006 |
| 7019905 | Multilayer reflector with suppression of high order reflections A multilayer interference reflecting film has individual optical layers arranged to form optical repeat units throughout the film. Each of a plurality of optical repeat units has six individual layers, at least three of which have different refractive indices at a d... | 03/28/2006 |
| 6991695 | Method for subdividing multilayer optical film cleanly and rapidly Polymeric multilayer optical films, and laminate bodies that include such films, are cut or subdivided into one or more discrete pieces by removably applying a first and second liner to opposed major surfaces of the multilayer optical film. Laser radiation is then d... | 01/31/2006 |
| 6952312 | Head-up display with polarized light source and wide-angle p-polarization reflective polarizer A head-up display includes a projection system and a window having a target area where a reflective polarizer is positioned to reflect light from the projection system to a viewing area. Light from the projection system is p-polarized and strikes exposed window surf... | 10/04/2005 |
| 6931665 | Vapor permeable retroreflective garment The disclosure describes vapor permeable retroreflective material for use on protective garments. The material may be formed in a non-continuous pattern that provides a high-level of retroreflective brightness, yet also provides adequate permeability to prevent expo... | 08/23/2005 |
| 6927900 | Multilayer infrared reflecting film with high and smooth transmission in visible wavelength region and laminate articles made therefrom A film includes a multilayer stack composed of unit cells having alternating optical layers of first and second diverse polymers A,B. The unit cells can consist essentially of two (AB), four (2A1B2C1B), or six layers (7A1B1A7B1A1B). The layers form an effective opti... | 08/09/2005 |
| 6924014 | High efficiency optical devices Optical devices according to the present invention include a multilayer optical film in which at least one of the layers comprises an oriented birefringent polymer. The multilayer optical film exhibits low absorptivity and can reflect light approaching at shallow an... | 08/02/2005 |
| 6830713 | Method for making coPEN/PMMA multilayer optical films Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thicknes... | 12/14/2004 |
| 6827886 | Method for making multilayer optical films Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thicknes... | 12/07/2004 |
| 6808658 | Method for making texture multilayer optical films Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thicknes... | 10/26/2004 |
| 6804058 | Electroluminescent light source and display incorporating same A light source comprises an electroluminescent panel and a reflective polarizer that is preferably polymeric, birefringent, or both. The reflective polarizer is positioned to receive light generated by the light generating layer. The reflective polarizer transmits l... | 10/12/2004 |
| 6797366 | Color shifting film articles Multilayer polymeric films and other optical bodies are provided which is useful in making colored mirrors and polarizers. The films are characterized by a change in color as a function of viewing angle. ... | 09/28/2004 |
| 6783349 | Apparatus for making multilayer optical films Methods and apparatuses are provided for the manufacture of coextruded polymeric multilayer optical films. The multilayer optical films have an ordered arrangement of layers of two or more materials having particular layer thicknesses and a prescribed layer thicknes... | 08/31/2004 |
| 6776935 | Continuous process for making glittering cube corner sheeting A continuous process for imparting a striking glittering or sparkling appearance to a roll of initially non-glittering cube corner sheeting includes exposing the sheeting to a combination of heat and pressure. The process includes passing the sheeting through an ext... | 08/17/2004 |
| 6760157 | Brightness enhancement film An optical film is provided which comprises a disperse phase of polymeric particles disposed within a continuous birefringent matrix in combination with light directing materials to enable control of light emitted from a lighting fixture or display. The film is orie... | 07/06/2004 |
| 6685341 | Light fixture having a multilayer polymeric film A light-emitting apparatus includes a light source, such as a fluorescent lamp, and a multilayer mirror wrapped partially around the light source. The multilayer mirror includes alternating layers of at least a first layer type containing a first polymeri... | 02/03/2004 |
| 6673275 | Method for making optical devices from homopolymers An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by transesterification. T... | 01/06/2004 |
| 6654170 | Optical device having continuous and disperse phases An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by transesterification. T... | 11/25/2003 |
| 6641280 | Hand-holdable toy light tube Hand-holdable toy light tube comprising a handle, a light source and a tube of color shifting film. The light source is preferably disposed within an end of the handle. The tube of color shifting film extends from the end of the handle. During use, light ... | 11/04/2003 |
| 6627300 | Optical device containing polymeric material domains having different degrees of randomness An improved optical film having a continuous/disperse phase morphology and a method for making the same is provided. At least one of the continuous and disperse phases comprises a blend of homopolymers which are inter-reacted, as by transesterification. T... | 09/30/2003 |
| 6623824 | Method for making a microreplicated article using a substrate comprising a syndiotactic vinyl aromatic polymer A novel release liner is provided which has a release surface comprising a syndiotactic polymer. The release liners of the present invention offer superior release to a wide variety of materials without the application of release agents, have relatively h... | 09/23/2003 |
| 6613421 | Optical film Birefringent optical films have a Brewster angle (the angle at which reflectance of p-polarized light goes to zero) which is very large or is nonexistent. This allows for the construction of multilayer mirrors and polarizers whose reflectivity for p-polar... | 09/02/2003 |
| 6590707 | Birefringent reflectors using isotropic materials and form birefringence Multilayer thin film reflectors, such as mirrors and reflective polarizers, are described in which form birefringent optical layers are incorporated into a plurality of optical repeat units in the film. The form birefringent layers exhibit birefringence a... | 07/08/2003 |
| 6533887 | Retroreflective cube corner sheeting, molds therefore, and methods of making the same A method is disclosed for manufacturing a plurality of laminae for use in a mold suitable for use in forming retroreflective cube corner articles. Each lamina has opposing first and second major surfaces defining therebetween a first reference plane. Each... | 03/18/2003 |
| 6534158 | Color shifting film with patterned fluorescent and non-fluorescent colorants Disclosed are articles having a color shifting film and indicia located behind the color shifting film. The indicia include at least a first and second colored portion, the first portion including a first fluorescent colorant. The second colored portion i... | 03/18/2003 |
| 6506480 | Color shifting film with a plurality of fluorescent colorants Disclosed are articles having a color shifting film and indicia located behind the color shifting film. At least a first and second colored portion are arranged as a foreground and background of the indicia. The first portion includes a first fluorescent ... | 01/14/2003 |
| 6447878 | Retroreflective cube corner sheeting mold and sheeting formed therefrom Laminae suitable for use in a mold suitable for use in forming retroreflective sheeting and methods of making such laminae are disclosed. A representative lamina includes a single row of optically opposing cube corner elements disposed on its working surf... | 09/10/2002 |
| 6413615 | Cube corner geometric structures in a substrate formed by both replicating and machining processes A cube corner article having a structured surface of geometric structures, each geometric structure having a plurality of faces at least some of which are arranged as a cube corner element, is made by providing a first substrate having a plurality of groo... | 07/02/2002 |
| 6386855 | Cube corner sheeting mold and of making the same Laminae suitable for use in molds for forming retroreflective cube corner elements and methods for making such laminae are disclosed. A representative lamina includes a first row of cube corner elements disposed in a first orientation and a second row of ... | 05/14/2002 |
