Matches 1 - 28 out of 28
Match Document Document Title
7140741 Color shifting retroreflector and method of making same  
Color shifting retroreflective articles can provide features such as decorative effects, evidence of tampering, security authentication or positional information. In some embodiments, the color...
7071913 Retroreflective electrophoretic displays and materials for making the same  
Disclosed herein are novel electrophoretic displays and materials useful in fabricating such displays. In particular, novel encapsulated displays are disclosed. Particles encapsulated therein are...
6896757 Rear projection screens and light filters with conformable coatings and methods of making the same  
This invention relates to light transmitting filters comprising: (a) a light absorbing layer of material having a front surface and a back surface, (b) transparent microspheres embedded in the...
6700707 Optical sheet lamination  
In an optical sheet 10 having a prism surface 16 formed by providing unit prisms 14 on the upper surface of a transparent base material 12, a coating layer 18 is provided on the reverse...
6560023 Optical lamination sheet  
In an optical sheet 10 having a prism surface 16 formed by providing unit prisms 14 on the upper surface of a transparent base material 12 , a coating layer 18 is provided on the reverse...
6500526 Retroreflective sheeting containing a validation image and methods of making the same  
This invention relates to retroreflective sheeting that has an image, such as a validation image. In one embodiment, the image is directional having varying appearance at different angles of view. ...
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...
6398369 Surface covering intended to be used on marking coverings for roads, parking areas and the like  
Surface coverings for marking road surfaces are disclosed including elastic particles for application to the road surface, the elastic particles including a plurality of light reflectors such as...
6344365 Arc coating on mask quartz plate to avoid alignment error on stepper or scanner  
A new method and apparatus is provide whereby light diffusion within the light measurement toll has been eliminated. A layer of Anti Reflective Coating is deposited on the outside of the second...
6333817 Optical lamination sheet  
In an optical sheet 10 having a prism surface 16 formed by providing unit prisms 14 on the upper surface of a transparent base material 12, a coating layer 18 is provided on the reverse surface of...
6168876 Backlighted fluorescent/retroreflective safety device  
An improved, "fail-safe" safety device comprising, in combination, a backlighted fluorescent film and a retroreflective sheet.
6147804 Optical sheet lamination  
In an optical sheet 10 having a prism surface 16 formed by providing unit prisms 14 on the upper surface of a transparent base material 12, a coating layer 18 is provided on the reverse surface of...
6127020 Method of making wet retroreflective marking material  
A method of making a retroreflective marking material is provided, the method has the steps of: (a) providing an enclosed-lens retroreflective sheet having a top surface and a bottom surface and...
5710671 Optical system  
An optical system with an optical unit consisting of a transmission unit with at least one transmission element for emitting optical radiation, a receiving unit with at least one receiving element...
5620775 Low refractive index glass microsphere coated article having a smooth surface and a method for preparing same  
This invention relates to glass microsphere (bead) coated articles having an upper surface comprising a layer of low refractive index transparent glass microspheres such as those made from recycled...
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...
5477219 Composite electronic article surveillance, identification, and security marker assembly and system  
A composite marker providing electronic article surveillance (EAS), identification, and authentication. The marker preferably includes an EAS detection element which includes a low-coercive force,...
5422162 Pavement marking tape with support base comprising a highly saturated acrylonitrile elastomer grafted with a zinc salt of methyacrylic acid  
A conformable marking tape having improved mechanical properties comprises a support base and a top-coat layer, the support base comprising a highly saturated acrylonitrile elastomer grafted with a...
5236751 Cone collars with temporary release coating and method for making and assembling same  
A relatively flexible retroreflective band for adhesive bonding about a support structure comprises a length of retroreflective sheeting formed into a continuous band with the outer portion of the...
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...
4691993 Transparent sheets containing directional images and method for forming the same  
A directional image is created in transparent sheeting comprising a monolayer of microlenses by forming deformations in at least some of the microlenses by irradiation with a laser beam which has a...
4688894 Transparent retroreflective sheets containing directional images and method for forming the same  
A directional image is created in substantially transparent retroreflective sheeting comprising a monolayer of microlenses and a partially light transmissive mirror disposed at the rear surfaces of...
4650283 Directionally imaged retroreflective sheeting  
Retroreflective sheeting of the prior art comprises a monolayer of transparent glass microspheres partially embedded in a binder layer and a specularly reflective layer covering the back surfaces...
4099838 Reflective sheet material  
A new sheet material carries specially viewable reflective legends provided by a dielectric mirror. The mirror is patterned so that the reflectivity from the mirror carries a pattern of contrasting...
4026634 Directional light transmitting screen  
A light transmitting screen capable of directing and focusing light images falling thereon, comprising a plurality of lens systems, each having a particular optical axis, making up the screen...
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...
3801183 RETRO-REFLECTIVE FILM  
Legend containing substantially transparent retro-reflective sheet materials and articles to which the sheet material has been applied, the sheet material having both retro-reflective legend areas...
2977850 Reflex-reflecting screen  
Matches 1 - 28 out of 28