LED (light-emitting-diode) driving method and device
A technology of LED driving and ambient temperature, which is applied to lighting devices, lamp circuit layout, light sources, etc., and can solve problems such as the inability to adjust LED luminous power
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Embodiment 1
[0027] figure 1 The implementation process of the LED driving method provided by the first embodiment of the present invention is shown. For the convenience of description, only the parts related to the first embodiment of the present invention are shown, and the details are as follows:
[0028] In step S101, a corresponding ambient temperature value is generated according to the external ambient temperature of the LED.
[0029] In the embodiment of the present invention, step S101 is specifically:
[0030] Generate a corresponding ambient temperature analog signal at a specific time interval according to the external ambient temperature of the LED;
[0031] Convert the ambient temperature analog signal to the ambient temperature digital signal;
[0032] Convert the ambient temperature digital signal to the corresponding ambient temperature value.
[0033] Wherein, the specific time interval may be 2 seconds.
[0034] Among them, the conversion of the ambient temperature d...
Embodiment 2
[0044] figure 2 The module structure of the LED driving device provided by the second embodiment of the present invention is shown. For the convenience of description, only the parts related to the second embodiment of the present invention are shown, and the details are as follows:
[0045] The LED driving device includes an ambient temperature value generation unit 100 , an ambient temperature analysis unit 200 , a current adjustment unit 300 and a storage unit 400 .
[0046] The ambient temperature value generation unit 100 is used to generate a corresponding ambient temperature value according to the external ambient temperature of the LED.
[0047] In the embodiment of the present invention, the ambient temperature value generation unit 100 is specifically:
[0048] An ambient temperature analog signal generating unit 101, configured to generate a corresponding ambient temperature analog signal according to the external ambient temperature of the LED at a specific time ...
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