The technology session brought together the top technical experts in the field of LEDs at home and abroad. In the morning, experts from the upstream epitaxial chips and equipment of the LED industry chain discussed the latest cutting-edge technologies and development trends in their respective fields. In the afternoon, they mainly came from the package and its Experts in the field of equipment shared the latest technological trends in their respective fields.
December 10th High- tech LED Conference Theme III, IV Technology Preview Session
From the point of view of the packed venues throughout the day, the attendees’ attention to the latest technological trends in the LED industry is self-evident. The interactive session on the spot is a climax of the round of the conference. The audience asked questions one after another, experts. One by one to answer questions, the thunderous applause on the spot is believed to be a great recognition of the audience's answers to the experts.
December 10, Gaogong LED Conference Theme III, IV Technology Preview Sessions
At the meeting, Dr. Shi Lei PHILIPS LUMILEDS China, Technical Program Manager analyzes the trends in the development of new LED technology of high brightness white light, she thought, high-brightness white LED to achieve high efficiency, high quality, reliability, technological breakthrough in lm / w, lm /$ , and pointed out that in the future, white LEDs can improve LED performance in terms of lm/w, cost and light quality. She also believes that LEDs will be widely used in general lighting in the future, and the proportion in 2020 will be 10 times higher than now.
Dr. Su Wei Mai InvenLux Optoelectronics (China) Co., Ltd. President mainly from lm / W, lm / $ key technical analysis of the future direction of extension of the chip, he believes that with the sharp decline in the popularity of large size and cost of the chip substrate, The large-size chip will be >1cm2 in the future; and with the improvement of epitaxial quality, heat dissipation improvement and the disappearance of Droop phenomenon, the high current density chip will be >350 A/cm2; in addition, with the improvement of device process and packaging process, high-voltage chip (110V, 220V) will be popularized.
Photovoltaic inverter (PV inverter or solar inverter) can convert the variable DC voltage generated by photovoltaic (PV) solar panels into an inverter of mains frequency alternating current (AC), which can be fed back to the commercial transmission system, or for off-grid Grid usage of the grid. The photovoltaic inverter is one of the important balance of system (BOS) in photovoltaic array system, which can be used with general AC power supply equipment. Solar inverters have special functions for photovoltaic arrays, such as maximum power point tracking and island effect protection. Photovoltaic inverters usually consist of the following main parts:
DC input: The photovoltaic inverter receives DC power input from solar panels.
Inverter module: The inverter module is the core part of the inverter, responsible for converting direct current into alternating current. It contains multiple electronic components and switching circuits, through precise control and adjustment, convert direct current into alternating current of specific frequency and voltage.
Controller: The controller monitors and controls the operation and performance of the inverter to ensure the stable operation of the inverter and make optimal adjustments when needed.
Output: The output of the inverter is alternating current, which can be connected to household appliances, industrial equipment or incorporated into the grid to supply electricity.
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