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Among the large number of patented layouts of Jingdian, the earliest core technology was the ITO technology developed by the founder of Crystal Power at ITRI (Industrial Technology Research Institute). LEDs used thin metals to diffuse current during early development, but this structure has the disadvantage of poor light extraction efficiency. The founder of Jingdian understands the advantages of ITO's transparency and conductivity. ITO is used in LEDs to improve current spreading and improve light extraction efficiency. In addition, because the low contact resistance characteristics of ITO can be used as a good ohmic contact layer, and its optical characteristics are also suitable for light field adjustment. The company's innovative technology has been patented in China, Japan, Korea, Taiwan and the United States.
Another core technology of crystal power is the bonding technique, which provides the flexibility of the substrate for selecting the light-emitting elements. The research and development team of Jingdian has developed a bonding technology using a variety of materials, such as metal, glue and insulating materials, so that the epitaxial structure is not limited by the growth of the substrate. Taking GaN-on-Si as an example, after the nitride is grown on the germanium substrate, the epitaxial structure can be transferred to the transparent or reflective carrier by bonding techniques to avoid light absorption due to the opacity of the germanium.
In other applications, a plurality of different colored LED structures can be combined on a common substrate for mixing. Because of different bonding materials, LEDs can be placed on different carriers depending on the application. For example, a low temperature metal bonding process can enhance mechanical strength plus the required reflective properties to improve light extraction efficiency and help reduce the manufacturing cost of vertical structure blue LEDs. In addition, Crystal's innovative combination of glue or insulation provides a transparent interface for LEDs with both mechanical strength and transparency, making them ideal for lighting and LED display applications. Jingdian successfully obtained multi-national patents for this technology, including Chinese, Japanese, Korean, Taiwanese and US patents.
For applications requiring high power, large size dies are generally preferred because they can withstand high injection currents and have high electrical efficiency. Jingdian has obtained a core patent from a Swiss company, including the design of the extended electrode, which can reduce the manufacturing cost and solve the problem of light limitation or loss in the LED die to increase the photoelectric efficiency.
As the first company to successfully mass produce high voltage (HV) LED dies, Grid has also developed a variety of permutation designs with multiple cells/multiple junctions formed on a common substrate for high voltage drive. Thanks to clever wire design, HV LED dies have excellent electrical properties and flexibility for a wide range of lighting applications. In addition to this special structure, since the crystal can provide a full spectrum of products, with its excellent single or multi-unit / multi-junction red and blue crystal, crystal can help customers to provide warm white LED Lighting scheme. Jingdian has obtained relevant design patents and invention patents in China, Japan, Korea, Taiwan and the United States.
The crystal power R&D team has abundant research energy and vision. Therefore, there are many new technologies available in the current patent layout to meet the coming of the LED lighting era. It is one of the representative works to connect a plurality of crystal grains on a transparent carrier to form a faux filament structure for use in a replacement bulb or a lamp. Furthermore, the crystal power is also exclusively authorized in the field of non-contact phosphor powder, and is suitable for a structure having an optical element between a wavelength conversion element and an illumination source. With these patented technologies, Jingdian can work with customers to develop more competitive products and accelerate the development of LEDs in the field of lighting. 
Paying attention to the LED lighting field, the crystal LED patent has been certified to 1000
Jingdian has obtained the 1000th patent certificate recently. More than 1,000 patent applications of Jingdian are still under trial in the world. Therefore, the future certification will continue to grow, and the patent layout will move toward the next milestone.