Light-emitting device

Abstract

This invention relates to an illuminant device including a loading component for connecting No.2 body of a supply, an illuminant component set on the loading component and connected with the No.2 body and at least a modifying component connected with the illuminant component, which is used in providing light source after the No.2 body is connected with the supply and has the character of temperature compensation, voltage modification or sudden wave absorption.

Description

technical field [0001] The present invention relates to a light-emitting device, in particular to a light-emitting device with the functions of temperature compensation, voltage correction and surge absorption. Background technique [0002] Lighting lamps have always been a necessity in modern life. The electricity used for lighting in the world accounts for about 40% of the total electricity consumption, which shows people's demand for lighting. In recent years, white light-emitting diode (LED) bulbs manufactured by optoelectronic semiconductor technology are expected to replace tungsten filament lamps and mercury lamps in the 21st century due to their advantages of small size, low power consumption and long life. Lighting source for electricity and environmental protection concept. In the past 20 years, the development of light-emitting diodes has made my country's output value of light-emitting diodes second only to Japan in the world. It can be seen that light-emitting ...

AI Technical Summary

Problems solved by technology

[0003] Taking the AC LED developed today as an example, it is composed of many light-emitting micro-die (about 30 to 100 light-emitting micro-die), and during the lighting process after the power is applied, It will generate heat energy due to the light source emitted, which will increase the temperature, causing the original voltage-current (V-I) characteristic curve of the AC light-emitting diode to shift. As shown in Figure 1, L1 is the voltage when the temperature is at T1 Current characteristic curve, and when the temperature rises to T2, the voltage-current characteristic curve will shift to the position of L2, if so, it will cause the voltage to drop, and under the operation of constant voltage, the operating power will increase or even In addition, due to the low quality control rate of the die manufacturing method of AC light-emitting diodes, the power sources used by the produced AC light-emitting diodes are mostly different, and when used at a constant voltage, it will cause the light source The problem of unevenness; moreover, when the power is supplied in an instant, a pulse signal will be generated, and the AC light-emitting diodes will easily burn out.

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