Annex B - Additional Research Data




The results of our experiment are as shown below:


Table 1:Table of warm/yellow LED milliamperes and voltage


Warm/yellow
Volts
miliamperes  result 1
milliamperes result 2
Mean milliampere
Activation
2.47
0.02
0.02
0.020

2.55
0.14
0.11
0.125

2.6
0.44
0.28
0.360

2.65
1.12
0.57
0.845

2.7
2.24
1.05
1.645

2.75
3.38
1.65
2.515


Table 2:Table of blue LED milliamperes and voltage


Blue
Volts
milliamperes result 1
miliamperes result 2
Mean milliampere
Activation
2.40
0.03
0.03
0.030

2.45
0.09
0.07
0.08

2.5
0.27
0.22
0.245

2.55
0.67
0.66
0.665

2.6
1.47
1.39
1.430

2.65
2.63
2.58
2.605


Table 3:Table of green LED milliamperes and voltage


Green
Volts
milliamperes  result 1
milliamperes result 2
Mean milliampere
Activation
2.17
0.05
0.05
0.050

2.2
0.09
0.08
0.085

2.25
0.23
0.20
0.215

2.3
0.45
0.42
0.435

2.35
0.77
0.73
0.750

2.4
1.16
1.08
1.120


Table 4:Table of red LED milliamperes and voltage


Red
Volts
milliamperes result 1
milliamperes result 2
Mean milliampere
Activation
1.7
0.09
0.09
0.090

1.75
0.43
0.35
0.390

1.8
1.35
1.20
1.275

1.85
3.23
2.73
2.980

1.9
6.32
6.02
6.170

1.95
10.80
10.23
10.515


Table 5:Table of orange/amber LED milliamperes and voltage


Orange/amber
Volts
milliamperes
Mean milliampere
Activation
1.735
0.08 and 0.09
0.085

1.8
0.40 and 0.34
0.370

1.85
1.35 and 1.08
1.215

1.9
3.80 and 3.65
3.725

1.95
8.90 and 7.54
8.220

2
16.90 and 16.73
16.815


Table 6:Table of 1/λ (typical wavelength)

LED Colour
Typical wavelength, λ (nM)
Activation voltage(V)
1/λ(m^-1)
Red
623
1.700
1.60514 x 10^6
Orange
586
1.735
1.70648 x 10^6
Green
567
2.170
1.76367 x 10^6
Blue
467
2.400
2.14133 x 10^6
Yellow
590
2.470
1.69492 x 10^6




Graph 1:Graph of activation voltage (y-axis) against 1/λ (x-axis)



Graph 2:Graph of voltage (x-axis) against milliampere (y-axis) for tables 1-5

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