Dual emission LED chip
An LED chip, double-sided light-emitting technology, applied in electrical components, circuits, semiconductor devices, etc., can solve the problems of power consumption, manufacturing cost, thickening of thickness, etc., to achieve miniaturization, reduce total internal reflection, and reduce manufacturing costs. Effect
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[0073] On the other hand, in the P-N junction 10, heat is generated together with the light emitting effect. Therefore, the P-N junction 10 may have a mesa structure, which promotes heat generation by increasing the surface area of each layer. Here, the "mesa structure" refers to a structure in which a plurality of islands are formed by engraving the surface of each layer to a predetermined depth, and the edge of each island is a vertical cliff or slope. According to the first embodiment of the present invention, the P-N junction includes a P-direction mesa structure PMS formed on the surface of the P layer and an N-direction mesa structure NMS formed on the surface of the N layer.
[0074] The P-direction mesa structure PMS is a mesa structure formed by engraving from the upper surface of the P layer P to a predetermined depth of the N layer N, forming a plurality of P-direction islands 110 . The number of P-direction islands 110 may vary according to design. Since the P-...
PUM
![No PUM](https://static-eureka.patsnap.com/ssr/23.2.0/_nuxt/noPUMSmall.5c5f49c7.png)
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![application no application](https://static-eureka.patsnap.com/ssr/23.2.0/_nuxt/application.06fe782c.png)
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