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| Number | Title | Issue Date |
| 8360586 | Retroreflective film containing a polymeric face film and method of manufacture therefore In one aspect, there is provided a retroreflective film, comprising a retroreflective sub-structure, and a transparent polymeric film, having a surface roughness profile where the Arithmetic Mean Deviation of the Roughness Profile (Ra) ranges from about 0.18 microns... | 01/29/2013 |
| 8267533 | Retroreflective film containing a polymeric face film and method of manufacture therefore In one aspect, there is provided a retroreflective film, comprising a retroreflective sub-structure, and a transparent polymeric film, having a surface roughness profile where the Arithmetic Mean Deviation of the Roughness Profile (Ra) ranges from about 0.18 microns... | 09/18/2012 |
| 7290803 | Reflective article and method of manufacturing same A reflective printed article includes a substrate having a top surface and a bottom surface with a graphic image printed thereon. A reflective or glossy ink layer is printed over the entire top surface of the substrate. A graphic image is printed over the reflective... | 11/06/2007 |
| 7290802 | Second surface micromotion display A second surface micromotion display includes a see-through base having a first surface, defined in the art as a front surface facing a viewer, and a second surface, defined in the art as a rear surface opposite to the front surface and facing away from the viewer, ... | 11/06/2007 |
| 7276702 | Light receiving device for model, model, and signal light detecting method for model A light receiving device 7 includes a sensor 10 for outputting a signal correlating to incident light on a detection surface 10a and a light receiving element 8 disposed in confrontation with the detection surface and capable of tr... | 10/02/2007 |
| 7270466 | Reflector for back light assembly and back light assembly using the same The present invention relates to a reflector for a back light assembly and a back light assembly using the same. A reflector for a back light assembly for use in an LCD device comprises a base film; a protrusion of elastic material provided on a surface of the base ... | 09/18/2007 |
| 7224533 | Optically retro-reflecting sphere An optically retro-reflecting sphere includes an inner sphere and an outer concentric spherical shell, and can be coupled to a reflective surface. Light entering the optically retro-reflecting sphere from an incident direction is reflected by the sphere generally to... | 05/29/2007 |
| 7164536 | Optically coupled toroidal lens:hemi-bead brightness enhancer for total internal reflection modulated image displays A brightness enhancing structure for a reflective display. A plurality of transparent hemi-beads form a film substantially covering and protruding inwardly from the structure's inward surface. A corresponding plurality of microstructured toroidal lenses are provided... | 01/16/2007 |
| 7152984 | Cat's eye retro-reflector array coding device and method of fabrication The invention is a coded cat's eye retro-reflector array fabricated using data-driven, ink jet micro-dispensing technology. Specifically the invention claims the apparatus, the method of fabricating the apparatus, and the method of using the apparatus. The function ... | 12/26/2006 |
| 7036944 | Retrochromic articles Retrochromic articles have a retrochromic pattern comprising first and second viewable retroreflective regions, wherein at least one viewable retroreflective region comprises a plurality of intrinsically retrochromic beads. Methods for making such articles are also ... | 05/02/2006 |
| 6929378 | Chain-control device for solar road studs and solar energy flash device A chain-control device for solar road studs is provided to work by using a plurality of solar cells to convert solar energy into electric energy during daytime and store it in a battery unit, so that they can flash in nighttime for traffic security purpose or garden... | 08/16/2005 |
| 6461718 | Retroreflective sheet To provide a retroreflective sheet which is suitable for co-molding by injection molding or the like, wherein the retroreflective sheet can be laid within a mold and molded with a resin to form a molded product, and, after molding, the sheet retains a sig... | 10/08/2002 |
| 6451408 | Retroreflective article A retroreflective article that exhibits suitable retroreflective luminance under dry and dynamic wet conditions. The article includes an enclosed-lens retroreflective sheeting that, under dry conditions, exhibits a coefficient of retroreflective luminance... | 09/17/2002 |
| 6412957 | Pavement marking article and method of producing The pavement marking article comprises a substrate, a plurality of protrusions provided on the surface of the substrate, and first transparent microspheres having a refractive index of not less than 2.0 fixed at least on the surface of the substrate betwe... | 07/02/2002 |
| 6327095 | Vehicle lamp and method for manufacturing the same To provide a vehicle lamp having a high quality lens and a method for manufacturing the same and make it possible to reliably separate a pre-molded lens member while being securely held in the movable die during composite lens molding in a multi-color mol... | 12/04/2001 |
| 6243201 | Retroreflective articles having polymer multilayer reflective coatings A retroreflective article that has a layer of optical elements and a multilayer reflective coating disposed on the optical elements. The reflective coating reflects light back into the optical elements so that it can be returned toward the light source. T... | 06/05/2001 |
| 5988822 | Luminous retroreflective sheeting and method for making same Luminous retroreflective sheetings have a transparent cover layer, an optical layer disposed beneath the cover layer, and a reflective layer. The optical layer includes a first polymer layer and a monolayer of beads at least partially embedded therein. Th... | 11/23/1999 |
| 5917652 | Durable retroreflective elements All-ceramic retroreflective elements which may be used in pavement markings comprising an opacified ceramic core and ceramic optical elements partially embedded into the core.... | 06/29/1999 |
| 5822120 | Layered retroreflective elements A retroreflective element which may be used in pavement markings comprising a core having (a) a central layer having first and second major surfaces and at least one vertical surface, (b) a barrier layer applied to the first major surface, and (c) a barri... | 10/13/1998 |
| 5754337 | Fluorescent dye blends A fluorescent yellow article comprising polyolefin copolymer, perylene imide dye N,N'-bis(2,6-di-isopropylphenyl)-3,4:9,10-perylenebis(dicarboximide), and at least one yellow-green dye selected from the group consisting essentially of Lumogen F Yello... | 05/19/1998 |
| 5706133 | Retroreflective signage articles, kits for producing same, and methods of making signage articles Retroreflective signage articles comprise a colorant layer directly thermally transferred to a top layer of a reretroreflective sheeting, the top layer devoid of priming treatments and extraneous print-receptive layers. Systems or kits are also described ... | 01/06/1998 |
| 5680033 | Solar powered warning device A solar energy powered flashing device includes a light-transmitting, dome-like cover inside which a high efficiency solar energy plate and a circuit board connected to the solar energy plate are received and fixed by a bottom plate attached to the cover.... | 10/21/1997 |
| 5614286 | Conformable cube corner retroreflective sheeting Conformable cube corner retroreflective sheetings comprising a plurality of discrete cube corner segments which are conformably bonded together, each cube corner segment comprising a plastic body portion having a substantially planar front major surface a... | 03/25/1997 |
| 5468540 | Retroreflective article comprising a transparent base sheet and nacreous pigment coating, method for making such a base sheet, and method for making a forming master A retroreflective article comprising a transparent base sheet having first and second broad faces, the second face being substantially planar and the first face having an array of substantially hemi-spheroidal microlenses thereon, the microlenses being wi... | 11/21/1995 |
| 5436762 | Glass for an optical signalling device, the glass being fitted with non-catadioptric elements The invention relates to a glass for at least one signalling lamp, in particular for a motor vehicle. The glass includes a plurality of non-catadioptric elements that have the appearance of catadioptric needles but without performing the same function. At... | 07/25/1995 |
| 5376431 | Retroreflective microprism sheeting with silver/copper reflecting coating and method of making same Retroreflective sheet material is produced by forming sheet material with closely spaced retroreflective formations on one face and depositing on this face silver and copper atoms having high kinetic energy to provide a reflective metallic deposit compris... | 12/27/1994 |
| 5299061 | Pseudo-luminous panel, optical color filter therefor, and display element and device using the pseudo-luminous panel A pseudo-luminous panel has an optical color filter and a reflecting film formed all over the back thereof. The surface of the optical color filter is formed by obliquely downward and upward band-like surface portions alternately arranged side by side in ... | 03/29/1994 |
| 5254390 | Plano-convex base sheet for retroreflective articles and method for making same An article comprising a transparent plano-convex base sheet having first and second broad faces, the second face being substantially planar and the first face having an array of substantially hemi-spheroidal microlenses thereon, the shape of the microlens... | 10/19/1993 |
| 5237449 | Biased lenticular sign system A highway sign includes a reflective back surface and a biased lenticular lens front surface for reflecting light back in the direction of the original light source. The reflective back surface preferably comprises a plurality of corner cubic reflectors a... | 08/17/1993 |
| 5171624 | Retroreflective microprismatic material and method of making same A microprism retroreflector material has a body portion with a planar front face and closely spaced microprisms extending thereacross in a plane spaced from and parallel to the front face. The microprisms are formed with three side surfaces disposed along... | 12/15/1992 |
| 5035486 | Optical imaging apparatus An optical imaging apparatus according to the present invention comprises a flat multilens array having a number of lenses arranged in a row and a flat multiprism array having a number of prisms also arranged in a row and located behind the multilens arra... | 07/30/1991 |
| 4930870 | Retro-reflectors A retro-reflector system 20 suitable for a highway lane marker is moulded in one piece from a transparent plastic material and has a plurality of side by side curved "roof edge" reflectors 21 (only one of which is illustrated) and a part elliptical lens 2... | 06/05/1990 |
| 4889409 | Hemispherical retroreflector A retroreflector comprising two hemispheres of differing radii. The spherical surface of the first hemisphere is disposed towards a radiation source and the second hemisphere is provided with a reflective coating on its spherical surface. Means for modula... | 12/26/1989 |
| 4605232 | Infrared radiation responsive target Novel techniques for scattering infrared radiation are employed to form a diffuse retro-reflector suitable as a target for night viewing by an infrared responsive detector.... | 08/12/1986 |
| 4416510 | Retroreflective structure and method of manufacturing the same An improved retroreflective structure designed to be associated to a roadway pavement principally for improving nighttime visibility of traffing regulating signs and areas, formed from selectively dividing a primary calandered and printed material, the st... | 11/22/1983 |
| 4406045 | Warning reflector A warning reflector construction is provided comprising a transparent plate having a rear surface opposite a light-entrance surface. The rear surface comprises torus surfaces arranged side-by-side and supporting an outermost reflective layer. The optical ... | 09/27/1983 |
| 4340301 | Retroreflector plate and a method for its manufacture A retroreflector plate and a method for its manufacture are described. The retroreflector plates consist of a transparent plate with a reflective rear side, the front side of which comprises adjacently disposed, curved light incidence surfaces, and the rear si... | 07/20/1982 |
| 4012115 | Sawtooth shaped front screen A transparent front projection screen is disclosed having a plurality of ridges on the back thereof interrupted by flat portions and a plurality of curved sawtooth shaped ridges on the front thereof. The back ridges serve as a prism like element for refle... | 03/15/1977 |
| 3984175 | Pavement marker A pavement marker of the type including a shell-like body of light transmitting material, such as synthetic resin, having a reflective wall formed thereon, and which is filled with epoxy resin or the like for reinforcing the shell-like body against extern... | 10/05/1976 |
| 3972586 | Roadway marker and reflector therefor A roadway marker having a housing with a base for engagement with the surface of a roadway, and a reflective wall for reflecting light from vehicles on the roadway. The reflective wall has a central plane extending at an acute angle from the base and is i... | 08/03/1976 |
