Prediction method of optical power of led device
A technology of LED devices and prediction methods, applied in the direction of instruments, special data processing applications, electrical digital data processing, etc., can solve problems such as no impact, limited scope of application, and inability to predict LED optical power, etc., to improve prediction accuracy, The effect of eliminating the chromaticity drift phenomenon
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[0045] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0046] ginseng figure 1 As shown, the invention discloses a method for predicting the optical power of an LED device, comprising the following steps:
[0047] S1, at a constant junction temperature T 0 Next, measure the characteristic parameter k of the LED device according to the change curve of the optical power of the LED device wi...
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