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“LIDOGRAM – The New
Optical Technology
for High Security DOVE”
Valentin Monovsky,
DEMAX PLC Bulgaria


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High-contrast multiple flip effect images
(multi-channel images)


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High-contrast multiple flip effect images (multichannel images)


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High-contrast color lines with smooth outlines, of
3 μm minimum thickness

1

 This technology allows the whole drawing of

the element to be done in vector format


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High-contrast color nano-text, with characters from
50 to 10 μm tall


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Black nano-text with size of characters
from 10 to 3 μm


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Encrypted images, placed on
customized-size areas


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Generated white-color, viewable at random angle
with a naked eye


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Visual effects for naked eye recognition
 two channel

flip-effect image


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dynamically changing volume of the object


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3D object


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3D background


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Images that could be seen only by viewing in 90 degrees
against the normal viewing angle


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Synthesized white holographic flat objects


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Holographic raster image with
grey scale graduation

Colour object
------------------RGB holographic
object


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Security elements for qualified
personnel recognition
 Micro text that is seen

with 10 x magnifier


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Micro drawings that is seen with 10x magnifier


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Micro drawings that is seen with 10x magnifier


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Security elements for
expert recognition

Size variable nano and micro
texts with character size
from 300mkm to 10 mkm


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Nano drawing – logo, inscribed in a square with size
300x300mkm and line thickness of 5 mkm


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Guilosche composition with variable thickness - from
5mkm to 1000 mkm and linear size in direction not less

than 50% from the label diagonal