light l 1 l 4 from the light emitting units 142 148 such that the light emitting directions end up in the light route due to reflection referring to fig3 there are shown a schematic view of the architecture of another simulated sunlight generating device and a graph of light intensity versus wavelength according to another embodiment of the present invention as shown in fig3 a simulated sunlight generating device 10 u2032 generates the simulated sunlight ssl in addition to the plurality of driving units 122 128 the plurality of light emitting units 142 148 and the plurality of adjusting units 162 168 mentioned in the previous embodiment the simulated sunlight generating device 10 u2032 further comprises a plurality of condensation units 182 188 and or a detection unit 20 the condensation units 182 188 are disposed between the light emitting units 142 148 and the adjusting units 162 168 for condensing the light l 1 l 4 such that the light l 1 l 4 thus condensed are focused on one of the adjusting units 162 168 for example the condensation units 182 188 are implemented in the form of a single lens or a lens assembly a point to note is that for a manufacturing related reason the light l 1 l 4 may manifest directivity badly or have a large scattering angle thereby compromising the condensation of the light l 1 l 4 hence the efficiency of the generation of the simulated sunlight ssl is enhanced when the condensation units 182 188 condense and focus the light l 1 l 4 on the adjusting units 162 168 in another embodiment the condensation units 182 188 are directly disposed on the light emitting units 142 148 to achieve.