A precision miniature packaging device capable of projecting graphics, logos and symbols

Abstract

The invention discloses a precision micro-encapsulation device capable of projecting graphics, logos and symbols, which includes a luminous crystal, the luminous crystal includes a substrate material layer, a diode PN junction is grown on the substrate material layer, and laser beams are used to print. Remove the excess part to keep the required pattern shape, and at the same time use electrode covering to avoid excess light, as well as the P positive electrode and N negative electrode of the PN junction of the light emitting diode; wherein, the PN junction of the light emitting diode includes the lower layer The P junction and the N junction arranged on the upper layer. In the present invention, the luminous section of the luminescent crystal is reduced on the basis of the same power through the crystal growth PN junction method for the required pattern, and is strengthened to the luminescent section of the required pattern to increase the luminous effect; since the pattern is combined with the luminescent crystal, the volume It can be achieved at the micron level, so the research and development of the entire projection packaging device can be reduced accordingly; its cost and application field can be further expanded.

Description

technical field [0001] The invention relates to the field of semiconductor devices, in particular to a precision micro-encapsulation device capable of projecting graphics, logos and symbols. Background technique [0002] Due to the continuous innovation and development of high-tech automobiles, the competition between different brand manufacturers is becoming increasingly fierce. The research and development of new product models is accelerated, the entire development cycle is shortened, and at the same time, the entire development cost must be reduced and controlled. Therefore, more and more automobile family products are emerging. , such as many high-end car welcome lights on the market, the projection of the LOGO drawing of the car logo has become a highly recognizable, fashionable and high-end equipment; but because the current principle of the welcome light is: point / surface light The effect achieved by the diode and the film with different pictures, due to the limited ...

AI Technical Summary

Problems solved by technology

[0002] Due to the continuous innovation and development of high-tech automobiles, the competition between different brand manufacturers is becoming increasingly fierce. The research and development of new product models is accelerated, the entire development cycle is shortened, and at the same time, the entire development cost must be reduced and controlled. Therefore, more and more automobile family products are emerging. , such as many high-end car welcome lights on the market, the projection of the LOGO drawing of the car logo has become a highly recognizable, fashionable and high-end equipment; but because the current principle of the welcome light is: point / surface light The effect achieved by the diode and the film with different pictures, due to the limited printing accuracy of the pattern on the film, the volume is too large and the cost cannot be reduced. Therefore, the integration of graphics and light-emitting crystals is a technology that should be overcome immediately when the volume is reduced; at the same time It has also become a standard accessory for brand recognition of products in industries such as toys, mobile phones, video games, and learning; at the same time, it can also be used for positioning, identification, and adding accessories such as infrared receiving information. It has a wide range of uses and has become a fashion product;

[0003] Current light-emitting diode technology: the light-emitting feature is that the entire surface of the light-emitting crystal emits light or points of light, and emits light at a certain angle through the surrounding cavity (circular, annular, circular, square), and its illuminated area is surface-shaped; It does not have the function of projection. Due to the large light-emitting surface, the power loss is relatively large, and at the same time it has a large light-emitting angle. Therefore, the power of projected light is insufficient and does not meet the requirements of projected light.

Images