Abstract: First of all, high light efficiency: The light efficiency of LED electronic display
screens can be said to be an important indicator of energy-saving effects. At present, my country needs to strengthen the light effect effect. To achieve high light efficiency, it must be solved from all links in the industrial chain. Related technical issues, then how to achieve high luminous efficiency? This article will specifically strive for extensions, chips, packaging, lamps, etc. First of all, high light efficiency: The light efficiency of LED electronic displays can be said to be an important indicator of energy saving effects. At present, my country needs to strengthen the light efficiency effect, and we must really do it. To achieve high luminous efficiency, it is necessary to solve related technical problems in all links of the industrial chain, so how to achieve high luminous efficiency? This article will specifically discuss the technical issues to be solved in several links such as extensions, chips, packaging, and lamps. 1. Improve internal quantum efficiency and external quantum efficiency. 2. Improve the light-emitting efficiency of the package and reduce the junction temperature. 3. Improve the light extraction efficiency of the lamp. Secondly, from the perspective of high color rendering: LED electronic display has many light and color qualities, including color temperature, color rendering, light color fidelity, light color naturalness, hue recognition, visual comfort and so on. Here we currently only discuss solving the problem of color temperature and color rendering. The production of high color rendering light source will lose more light efficiency, so these two factors should be taken into consideration when designing. Of course, to improve the high color rendering property, the combination of RGB three primary colors must be considered. Here I also have three methods: 1. Multi-primary color phosphor. 2. RGB multi-chip combination. 3. Phosphor powder plus chip. is again in terms of high reliability: mainly including failure rate, life and other indicators. But there are different understandings and explanations in the application. High reliability refers to the ability of a product to complete a specified function under specified conditions and within a specified time. The main categories of led failure are serious failure and parameter failure. The lifetime is a characteristic value of product reliability. : Generally refers to the statistical average value. For a large number of components, the life of the led device is the meaning of this description. However, the factors that affect the reliability of products include chip manufacturing, packaging, thermal resistance, and heat dissipation. Now that we are talking about this, I hope that companies will make two requirements on the basis of comprehensive quality control of products: 1. Reduce failure rate. 2. Extend the time of consumption loss. The last is to reduce the cost of the product: At present, many consumers feel that the price is too high when they buy touch display screens, so many screen manufacturers have also taken corresponding measures to reduce costs in addition to mass production. Methods and approaches to take measures to reduce costs mainly from the technical point of view. It is mainly to reduce costs in terms of epitaxial chips, packaging, driving, heat dissipation, etc., so as to fundamentally solve the cost problem of products. Specifically speaking from the following four aspects: 1. The method of reducing the cost of the epitaxial chip link. 2. The method to reduce the cost of the packaging process. 3. Methods to reduce costs in the lighting sector. 4. Reduction of other supporting costs. manufacturer, LED module wholesale, indoor
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