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LED Business

Diffusing Lens Modules for LED

Based on the luminous flux controlling technology acquired through the optical waveguide development, we have created a diffusing lens to facilitate the effective use of environmentally friendly LEDs with improved user-friendliness.

The module achieves reduced power consumption and CO2 emissions.

Light Enhancer Cap™ Effectiveness of Our Lens

Light Enhancer Cap™ Layout of Our Lens Modules

In order to produce uniformed luminance on the display, the modules need to be spaced to make a number of equilateral triangles as described right.

Distance between the diffusing plate and the aluminum substrate

The following needs to be complied with in order to produce uniformed luminance on the display:

The distance between the diffusing plate and the aluminum substrate is 0.55 times larger than the distance between LEDs.

The following needs to calculate the signboard height:

Height + diffusing plate’s thickness + aluminum substrate’s thickness (1.5mm) + substrate backboard thickness.

Effective of our lens modules when used for a signboard

Comparison of the numbers of LEDs used for a signboard with the size of 1,000 x 1,000 x D50
*Display thickness: 50mm (including the diffusing plate thickness of 3mm but excluding the substrate backboard thickness)

Effectiveness of the Light Enhancer Cap when used for a signboard

Number of LEDs：168
Display illumination intensity:
Approximately 3,100lx
Brightness: Approximately 940cd/m2
Distance between LEDs:83mm

Number of LEDs：504
Display illumination intensity:
Approximately 10,000lx
Brightness: Approximately 3,000cd/m2
Distance between LEDs:47mm

Cost effect estimation and reduction of CO2 emissions

Light Enhancer Cap™

Case example of our lens modules used in a signboard (signboard size: 2,800mm×1,400mm)
Annual usage:12hrs per day=4.380hrs
Electricity rate:23yen/kwh
(Source:’Power comumption for business purpose’, the Japan Luminaires Association)
*Power consumption includes inverter.