Lighting device
A lighting device and light source technology, which is applied in the direction of lighting devices, independent lighting devices, lighting device components, etc., can solve problems such as reducing brightness, and achieve the effect of reducing brightness and reducing illuminance spots
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[0033] Below, according to Figure 1 to Figure 7 The embodiments of the present invention will be described. Numeral 1 is a desk lamp as an example of a lighting device. The structure of the desk lamp 1 includes: a bottom part 2; a columnar part 3 fixed on the bottom part 2; an arm part 4 movably arranged relative to the columnar part 3; a head part 5 movably arranged relative to the arm part 4 ; And the lamp 6 can be set movably relative to the head 5. In addition, an operation portion 7 and a display portion 8 are provided on the front side of the columnar portion 3. In addition, the above-mentioned operation unit 7 is composed of a main switch 7A and adjustment switches 7B and 7C. In addition, the display unit 8 is provided with a plurality of display LEDs (not shown).
[0034] The optical system of the above-mentioned lamp 6 is described in detail as follows. The lamp 6 has an LED 9 for lighting as a light source. The LED9 can be regarded as a small area surface light s...
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