Lenticular prints

also lenticular images, multi-phase images, change effect, motion effect, Morphing effect

The term lenticular printing, the production of animation / effects, motion, morphing or 3-D effects is understood to printed products. This particular type of processing creates a, depending on the viewing angle, another sensation in the viewer excited and highly attention.

Technical background

With lenticular printing combined image information ("interlaced") behind a Lenticular foil are applied. One can say that this rod lens "filter out" depending on the viewing angle different image information. Physically achieved exactly the amount of light the eye, which is orthogonal to the tangent of the respective remits viewing angle of the lens. All the other image information in the form of light waves, because they do not meet at a right angle to the lens cross-section is deflected in a refractive index dependent on the angle of the lens material.

Effect

Through the motions, while keeping the lenticular image, is constantly changing the viewing angle. Thus the viewer on the same surface discerns different image information. By combining an image sequence that was taken by a moving object can indicate this motion effect, whereby the viewer's attention is increasingly drawn to the object.

Application possibilities

Lenticular or multi-phase images are in their limits very well to excite attention in advertising or publicity purposes. By its natural movements of the viewer in the same space inevitably discerns twice as much image information as is the case with the conventional pressure. In addition, a subconscious reflex of man be exploited: Changes or get a detail moves unexpectedly in our field of view (as it happens for example when passing to the product), so we are forced by a reflex to focus this. Lenticular images can in principle apply to all flat surfaces. They have the advantage that they no further auxiliaries, such as Glasses require. Only the resolution must be the process of manufacturing correspondingly larger than in conventional printing. In the 2-phase alternating image must, inter alia, twice as many dots are printed per unit length, since only half of the pixels is applied to the eye.

Limitations

Due to this increased resolution and the fact that not every pixel reaches the eye, there is also a limit of the method. Very fine lines are difficult to portray. It must also be worked with very precise register, otherwise, undesirable effects (e.g., ghost images). Only a fraction of the reflected light, obtained by the lens refractive surfaces in all the solid angle of the eye. This reduces the perceived color brilliance.

Costs

Technical features, rather than trained professionals are less necessary for the production of high quality lenticular images. However, the method provides the printing operation, the possiblity to provide his work on the difficult market with a considerable value

Sources and additional literature

[1] Hille, Frauke Helene: Veredlungsmöglichkeiten und Spezialeffekte für Bücher und Broschuren; Diplomarbeit, Hochschule für Technik, Wirtschaft und Kultur Leipzig (FH), Fachbereich Medien, Studiengang Verlagsherstellung, 2008

[2] Beckmann, Till; Morlok, Franziska: Extra: Enzyklopädie der experimentellen Druckveredelung; Birkhäuser Verlag, 2009

[3] Lentikulardruck: Viel Know-how in Vorstufe und Druck; PublishingPraxis 11-12/2009, Ulm Deutscher Drucker Verlagsgesellschaft mbH & Co. KG

[4] Printperfection

[5] Webseite Vogt Foliendruck

[6] Webseite Pinguin Druck

[7] Webseite DPLenticular Ltd mit detaillierter Beschreibung und Anleitung

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