The latest figures show improvements of 5 times, 11 times, 6 times, and 5 times for red, green, blue and white materials, respectively, compared with lifetimes reported at the end of 2005.
In the case of blue, lifetime has been increased by 2.5 times in the short time since the last announcement in November 2006.
Data results from spin-coated devices using a common cathode and solution processable materials developed in 2006 demonstrate that lifetimes (the time taken for the display/pixel to fall to half its initial stated luminance) of 24,000, 35,000, 10,000, and 5200 hours for Red, green, blue, and white, respectively, have been achieved from an initial luminance of 1000 candelas per square meter (cd/sq.m).
This is equivalent to over 150,000, 198,000, 62,000, and 27,000 hours from an operating brightness of 400?cd/sq.m for these materials (acceleration factors to convert lifetime from one brightness to another have been determined for red, green and blue materials Using various initial luminances between 6000 and 800?cd/sq.m and found to be equal to 2, 1.9, and 2 for red, green and blue, respectively).
David Fyfe, CEO of CDT commented: Since establishing the Sumation joint venture with Sumitomo in late 2005 we have achieved rapid progress in P-OLED material lifetimes, a critical component to commercial adoption. Given the results we have achieved, it now makes sense for Us to quote lifetime data from 1000?cd/sq.m, as is becoming standard in the OLED industry. At current lifetime levels, P-OLED technology could meet the requirements for micro and small displays.
Susumu Miyazaki, CEO of Sumation added: Were very pleased with the progress we have made in increasing P-OLED lifetimes and are currently proceeding with production ramp-up of these materials. Commercial quantities of materials will be available to our customers in the near future .
A hybrid inverter is an inverter that combines the functions of an inverter and a charge controller. Its main function is to simultaneously process the direct current generated by solar panels and the electric energy of the battery energy storage system in a photovoltaic power generation system. It converts the direct current generated by the solar panels into alternating current for power and stores the excess power in the battery so that it can continue to supply power when needed.
Main effect:
Solar power generation: Hybrid inverters convert the direct current generated by solar panels into alternating current for home, commercial, or industrial electricity needs.
Battery energy storage: The hybrid inverter is equipped with a battery energy storage system that can store excess solar power. When the Solar Panel cannot generate enough electricity, the electricity stored in the battery can continue to supply electricity to achieve a continuous power supply.
Grid-connected function: Some hybrid inverters also have grid-connected functions, that is, the excess electric energy is integrated into the grid for use by other users. This allows them to interact with the grid, be self-sufficient, and export electricity to the grid.
Differences from other inverters:
Charging control function: The hybrid inverter combines the functions of an inverter and a charge controller, and can simultaneously process the DC power of the solar panel and the DC power of the battery energy storage system, realizing the hybrid application of solar power generation and battery energy storage.
Standalone operation: Unlike microinverters, hybrid inverters can operate independently and do not require an inverter for each solar panel, so it may be more economical and convenient when the system is larger.
Applicable scenarios: Hybrid inverters are widely used in home, commercial, and industrial photovoltaic power generation systems, especially in hybrid application scenarios that require photovoltaic power generation and battery energy storage.
In general, the main function of the hybrid inverter is to convert the direct current of the solar panel and the battery energy storage system into alternating current, so as to realize the hybrid application of photovoltaic power generation and battery energy storage. Compared with other inverters, it has higher flexibility and reliability in energy management and power supply stability.
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