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Encyclopedia > Lenticular

A lenticular lens is a single convex lens that magnifies light through a prism effect. See also, lenticular lens and Lens (optics). A lens. ... See: Prism (geometry) Prism (optics) Prism (band) PRISM is an abbreviation for Probabilistic Symbolic Model Checker PRISM was an aborted RISC processor effort at DEC, see DEC PRISM This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... Lenticular means biconvex. A single convex lense magnifies images. ... A lens. ...


The term lenticular often refers to a printed image that shows depth or motion as the viewing angle changes. But in general lenticular is a term for the lens effect that creates a convex perspective of multiple images or light sources, but not necessarily a physical printed image. This lenticular technology can be used to create a lenticular image through the process of lenticular printing. Lenticular printing is a multi-step process consisting of creating a lenticular image from at least two existing images, and combining it with a lenticular lens. ...


Examples of lenticular printing include flip and animation effects such as the winking eyes that were given as the prize in Cracker Jack snack boxes to modern airport advertising graphics that change their message depending on the viewing angle. This technology was created in the 1940s but has evolved in recent years to show more motion and increased depth. Originally used mostly in novelty items, lenticular prints are now being used as a marketing tool to show products in motion. Recent advances in large format presses have allowed for oversized lenses to be used in lithographic lenticular printing [1]. A bag of Frito-Lays Cracker Jack, featuring Sailor Jack and his dog Bingo. ...

Contents

Lenticular screens

The key that makes a lenticular work is the plastic sheet that overlays the printed image. The sheet is molded to have the form of dozens of tiny lenses or prisms per inch. There are actually two methods for printing the image. The first is printing the image on some material and then have the plastic lens properly overlaid. (Getting the lenticular lens lined up properly is referred to as "registration.") The second method is to print the image directly to the back of the lens itself. A lens. ... If a shaft of light entering a prism is sufficiently small such that the coloured edges meet, a spectrum results In optics, a prism is a device used to refract light, reflect it or break it up (to disperse it) into its constituent spectral colours (colours of the rainbow). ...


The same sort of molded sheet is frequently used with projection television systems. In this case, the purpose of the lenses is to focus more of the light into a horizontal beam and allow less of the light to escape above and below the Plane of the viewer. In this way, the apparent brightness of the image is increased. In mathematics, a plane is the fundamental two-dimensional object. ...


Ordinary front-projection screens can also be described as lenticular. In this case, rather than transparent lenses, the shapes formed are tiny curved reflectors (albeit in a "lens" shape). A lens contained between two cirular arcs of radius R, and centers at O1 and O2 The shape of the portion of Kenny McCormicks face visible through his hood is almost a lens, although the arcs are either elliptical or parabolic rather than circular. ...


History of Lenticular Image Technology

The concept of 3D effects and images goes back to at least 1692 when Gois-Clair, a French painter, discovered that he could achieve a dimensional effect on canvas by interposing a grid between the viewer and the painting. Gois-Clair painted two distinct pictures on a plane surface, over which he affixed a grid of vertical laths. These laths were arranged perpendicular to the plane and attached to it at right angles. By looking at the painting from the left side, you would see one distinct painting, while if you looked from the right side, you would see another distinct painting, while if you looked straight on, you would see a blending of the two together. Examples of his work can be seen at the Rosenborg Castle in Copenhagen. The Brussels Museum of Arts has a similar example, but using three distinct images. Events February 13 - Massacre of Glencoe March 1 - The Salem witch trials begin in Salem Village, Massachusetts Bay Colony with the charging of three women with witchcraft. ... This article is about building materials. ... Rosenborg castle is a small castle situated in the centre of the Danish capital, Copenhagen. ...


The term "Lenticular" was used in the patent to describe linear lenses. Informally, lenticulars had been produced since the 1930s. The technology was not widely used until recent years as the cost of plastics (PVC) decreased and the new material PETG emerged. The advancement of output, proofing and commercial printing also contribute to the mass production of lenticular products. Polyvinyl chloride Polyvinyl chloride, (IUPAC über Polychloroethene) commonly abbreviated PVC, is a widely used thermoplastic polymer. ... Polyethylene terephthalate (aka PET, PETE, PETP,PET-P) is a thermoplastic polymer resin of the polyester family that is used in synthetic fibers; beverage, food and other liquid containers; thermoforming applications; and engineering resins often in combination with glass fiber. ...


See also

Integral imaging is a true auto-stereo method (stereo imagery viewable without the requirement of special glasses). ... Holography (from the Greek, Όλος-holos whole + γραφή-graphe writing) is the science of producing holograms; it is an advanced form of photography that allows an image to be recorded in three dimensions. ... Autostereoscopy is a method of displaying three-dimensional images that can be viewed without the use of special headgear or glasses on the part of the user. ...

External links

  • www.DynamicImages.com Large format lenticular process
  • www.3DPrintBlog.com Lenticular blog.
  • www.tred.org Lenticular creativity guide.
  • AlterAction High Resolution Lenticular Printing
  • Lenticular by World3D
  • TracerGraphix.com Photographic and Lithographic Lenticular

  Results from FactBites:
 
Lenticular label manufacture - Patent 6596361 (2415 words)
The continuous web of lenticular labels of claim 1, wherein the first and second lenticular assemblies each include a visual image effect printed thereon, and wherein each visual image effect is perceived by an operator when the operator views the first and second lenticular assemblies along a plane substantially parallel to the longitudinal axis.
Lenticular lenses are thin, transparent lenses that are flat on one side and include a plurality of parallel, linear, side-by-side lenticules--elongate, convex lenses--on a second side.
When the lenticular labels are applied with conventional continuous labeling equipment to a vertically standing article, for example, a bottle, the desired visual effect is perceived by a viewer either (1) as the article is rotated about its longitudinal axis or (2) as the viewer walks past the vertically standing article.
Lenticular Prints (1466 words)
As you turn a lenticular image in your hand, or walk by a large one on the counter or wall, the image seems to come to life.
A lenticular image has two components; a printed image and a lenticular lens screen through which the image is viewed.
National Graphics is a major producer of lenticular images and their site shows the various effects you can get from these prints and how they have been used in various applications.
  More results at FactBites »

 
 

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