We are china manufacturer of high quality grade 8.8, 10.9, 12.9 Threaded Rods and threaded bars in iso 898 standard. Our advantages and more services of threaded steel rods includes:
1) Wide range of diameters from 1/2" - 4"
2) Customized Length from 100mm to 12000mm
3) Good threads at 60 degree
4) Good straightness: 1mm/m max
5) Even hardness on whole bars
5) Proper mechanical properties
7) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
8) Fast delivery time
grade 8.8 threaded rod,grade 8.8 threaded bar,grade 10.9 threaded rod,grade 10.9 threaded bar,grade 12.9 threaded rod SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdbrightsteelbar.com
Nanjing Dihao Organic Optoelectronics Co., Ltd. successfully prepared the internal light extraction IES-OLED white light illumination module, which has an energy efficiency of 111.7 lumens/watt (lm/W), setting a world record for similar devices. Recently, the China High-tech Industrialization Research Association held a results appraisal meeting in Beijing that the overall technology and system of the project has reached the international advanced level.
OLED is a kind of semiconductor device that can convert electrical energy into light energy. The energy consumption of illumination is only 1/6 of incandescent lamp and 1/2 of fluorescent lamp, which is equivalent to high quality LED lamp; OLED light quality is close to natural light, no heat radiation, It does not contain mercury and other heavy metals, and has no problems such as pollution and waste disposal. It has great health and environmental benefits.
In order to improve energy efficiency and extend product life, Nanjing Dijon has independently developed an optimized formulation of external light extraction materials containing micron particles. It is the first in the world to use a simple and inexpensive coating method to improve materials and coating processes. EES-OLED lighting device with light extraction efficiency of 80 was prepared; dark blue phosphorescent light-emitting system material and electron transport material were developed, which greatly reduced the device driving voltage and improved power efficiency; developed EES-OLED lighting panel production technology, and Key technologies such as short-circuit proof and high-reliability packaging have been developed to improve the function of OLED devices and extend their lifespan. A production line with a capacity of 20,000 square meters has been built.
At present, the EU, the United States, South Korea and Japan have formulated OLED lighting development strategies, and the success of OLED lighting modules has enabled China to maintain a world-leading level in this field.
China's OLED lighting energy efficiency is the international leading level