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London Underground (LUL) Approved Products

Tharsus Vision developed a full range of 4, 6, and 12 sheet illuminated back lit wall mounted light boxes that are 50mm in depth that have been tested and approved by London Underground (LUL approved products).

Utilising our patented "Reflex" diffusion technology, we were able to virtually remove the striping effect traditionally seen on back lit units and provide an even but high lumen output.

An additional benefit of Reflex was to be able to reduce the power consumption of all the products particularly the 6-Sheet, the most common type of advertising media.

Using T5 florescent lamps giving high Lumens per watt output, the units consume 28% less power than existing LU products. Employing previously gained expertise utilising modern adhesives we fulfilled the requirement for edge to edge glazing and gave the effect of "floating glass".

Working with selected partners on fire retardant seals, LSOH cables and employing the services of independent test houses, the units passed both IP65 and EMC requirements.

Similarly, with scrollers we developed illuminated scrolling advertising displays that mirrored the same criteria as the LUL approved products at a depth of just 100mm.