Shenzhen Hai Yao photovoltaic technology manufacturers are Shenzhen High-Tech enterprise, research and development, production, sales, service as a whole, specialized in producing LED module board, a small package led attack rate is high attack rate of light beads, the company is located in Bao'an District, Shenzhen fuel station, Shiyan Town, Bao and Ming Building, 4th Floor, has the most advanced full set of solid crystal, wire, plastic seal, spectral color separation and other automatic equipment, the use of anti-static dust treatment plant; all raw materials collected from brand vendors; rapid delivery time. Shenzhen Hai Yao Optoelectronics Technology Co., Ltd. spirit of "seeking common development with customers"; business philosophy and the "quality win, win market integrity"; of service, leading the staff to bring new and old customers to provide high quality products and quality service. My company has a dedicated light-emitting diode display a full range of products, 405,409,504,346,546 and other kinds of elliptical light-emitting diodes, a large number of suppliers to ensure the long-term, stable quality, including customer complaints, excellent price, welcome to display the user to come to consult! 
 Model ql-54r21t-ka-l02 products referred to as the appearance of the major technical indicators size 5mm oval Color LED color red colored transparent forward voltage (v) 1.8-2.2 reverse current (ma) 10 Brightness (mcd) 550-700mcd wavelength (nm) 620-630 Angle (degree): 90 ° semi-major applications, consistency and uniformity of color, white balance is good; 
 2 sound led packaging process to ensure that r / g / outdoor display the latest technology to improve description, red light wavelength of 500-700. White blue light wavelengths 800-2300. Green light time correction 
 Features: 1 with a unique brightness to ensure that the entire screen brightness tricolor b decreases, the proportion of the same; 
 3 low power consumption, long life UV protection. Security and high performance; even brightness, viewing angle and good consistency; 
 4 products thermal resistance is small, fast heat conduction, pn junction temperature is low, the brightness can be long-term change.