Designs normally invisible in flash photography appear in light recursion

FLASH PRINT

  • Large-format inkjet printing
flash print
flash print

①Technical Overview | Product Specifications

Retroreflection is a method of reflection that differs from ordinary reflection in that it is optically devised so that light is reflected directly back to the light source no matter from what direction it hits.

Retroreflective

Since it reflects the light that hits it straight back toward the light source, it appears to glow brightly when viewed by the driver.

Retroreflective

Diffuse reflection

General light reflection. The light that hits the surface is diffused in different directions by the unevenness of the surface.

Diffuse reflection
Diffuse reflection

Figure 1. Rough surfaces such as concrete and cloth.

Mirror reflection

Figure 2: Surfaces such as mirrors and metals

Retroreflective

Figure 3: With reflective material on the surface

FLASH PRINT corresponds to Figure 3

Flash PRINT is a patented product developed by SOKEN that can switch between two types of data using the above retroreflective sheets and printed materials, using an arithmetic data processing method that does not require addition.

About an arithmetic data processing method that does not require addition.

Printing technology with a special arrangement that is completed by inkjet.

 

How Flash Printing Works

an arithmetic data processing method that does not require addition.

This is a printing technology that allows you to see two different designs on one medium: a normal design in non-transparent ink printed on a retroreflective sheet, and a design in translucent ink that retroreflects when exposed to light.

About Color and Light

The retroreflective sees "light".

 

How retroreflection works

How retroreflection works

Ink specifications and weather resistance

MIMAKI - Genuine eco-solvent ink CMYKW

 

Weather resistance

Ink weather resistance
 

Because of exposure to the outdoors, multiple conditions such as light, rain, wind, and the compatibility between the material and our inks It varies greatly. SS21/ES3/Eco-HS1/HS inks are irradiated with a xenon arc weatherometer at 180W/m² for 1560 hours. In the case of SS21/ES3/Eco-HS1/HS inks, we have confirmed that no significant fading occurs when the inks are irradiated with a xenon arc weatherometer for 1560 hours at 180W/m² and sprayed for 18 minutes during 120 minutes of irradiation.

②Notes on installation and use

Retroreflecting to the angle of incidence

Retroreflecting to the angle of incidence

Retroreflects in the same direction as the angle of incidence of light. It is not visible when the light is not irradiated or from an angle different from that of the irradiated light.

Cautions for the environment

Cautions for the environment

In a typical bright environment, there is always an irradiated light. If your eyes are on the same line as the irradiated light, you will see the hidden reflected light. This is an unavoidable phenomenon due to technical characteristics.

The difference in visibility between flash photography in bright and dark environments

The results of the same output will vary depending on the environment. It cannot be reproduced outdoors in daylight.

The changing effect will be degraded under sunlight or in an environment that is too bright.

Difference in visibility between bright and dark environments

Color * Design visible in normal mode

Difference in visibility between bright and dark environments

Light * Design visible in the reflection of the flash light

How it looks when firing (flash photography) due to differences in the brightness of the environment in the case of the above design combination.

The difference in visibility between flash photography in bright and dark environments
In a dark space
The difference in visibility between flash photography in bright and dark environments
It makes the light design more visible.
Example: Under a streetlight at night
The difference in visibility between flash photography in bright and dark environments
In a standard space
The difference in visibility between flash photography in bright and dark environments
It appears to be a mixture of the two.
Example: In a department store
The difference in visibility between flash photography in bright and dark environments
In a bright space
The difference in visibility between flash photography in bright and dark environments
The color design looks more visible.
Example: In a pachinko parlor

Notes on construction and how the image looks in different shooting environments

③About Triggers

Types of triggers to change the design of FLASH PRINT

Trigger (1)
Flash photography only
flash print
Trigger (2)
Just set the headlamp.
flash print
Trigger (3)
Just look into the ring light.
flash print