LED, a kind of semiconductor diode, can transfer electrical energy to optical energy, and emit yellow, green, blue and other visible light as well as infrared and ultraviolet invisible light. Compared with small incandescent bulbs and neon ...
Tags: LED
Current bright blue LEDs are based on the wide band gap semiconductors GaN (gallium nitride) and InGaN (indium gallium nitride). They can be added to existing red and green LEDs to produce the impression of white light, though white LEDs ...
LED semiconductor lighting is the fourth revolution in the way of human lighting after the incandescent lighting, fluorescent lighting and energy saving lamp lighting. Because of energy saving, environmental protection, long life, rich ...
Tags: Tongfang Nantong LED
LED industry chain can be divided into five parts. First, the raw materials. Second, LED upstream industries, including epitaxial materials and chip manufacturing. Third, LED midstream industry, including a variety of LED accessories and ...
Tags: LED
Sanan showcases LED products at China optoelectronic expo Siu Han, Shenzhen; Jackie Chang, DIGITIMES [Tuesday 11 September 2012] The 14th annual China International Optoelectronic Expo was held in Shenzhen from September 6-9, 2012. This ...
Tags: Formosa Expitaxy LED, lighting, Lights, China
Spatial pattern recognition Spatial pattern recognition (SPR) looks for relationships among defect locations on the substrate surface. When detected, spatial patterns can often lead to rapid identification of the defect's root cause (Fig. ...
Tags: MOCVD, MOCVD epitaxial process
LED manufacturers invested heavily in production equipment in 2010–2011, driven primarily by demand for backlighting for flat panel displays in TVs and computers. Although this driver has moderated and there is currently an oversupply ...
Tags: MOCVD, MOCVD epitaxial process
Lextar obtains LM-79,LM-80 accreditation Siu Han,Taipei;Adam Hwang,DIGITIMES[Thursday 6 September 2012]Lextar Electronics,a Taiwan-based LED epitaxial wafer and chip maker and provider of LED chip packaging services,on September 5 announced ...
AZZURRO Semiconductors, a pioneer and leader in GaN-on-Si technology announces SUMITOMO Taiwan as their sole distributor partner in Taiwan. Capitalizing on the overwhelming success and customer traction, AZZURRO stepped up its ...
Tags: AZZURRO Semiconductors, GaN-on-Si, LED, Taiwan
Researchers in the USA have achieved record transconductance and cut-off frequencies for indium gallium arsenide (InGaAs) channel metal-oxide field effect transistors (MOSFETs) [D.-H. Kim et al, Appl. Phys. Lett., vol101, p223507, 2012]. ...
The companies today jointly confirmed achieving GaN-on-Si based LEDs utilizing Epistar's high-brightness LED structures and AZZURRO's patented technology for 150 mm GaN-on-Si. The successful completion of the joined project confirmed the ...
Shanghai ultra-silicon layout of the Two Rivers Area LED project will be commissioned in the second half of the year. Reporter learned from the Two Rivers Area Administrative Committee, through the cooperation of domestic well-known ...
Tags: LED industrial chain
Abstract The entire LED lighting supply chain can be divided into the following segments: rare earth, MOCVD equipment, sapphire ingots and substrates, LED chips, LED packaging, and LED lighting fixtures. This Digitimes Special Report ...
Tags: LED, MOCVD, Sapphire, Rare Earth
Out of India's total use of electrical power, over 60% in domestic and commercial area is for lighting. As India continues to sleep, China is today lighting up many Indian homes and commercial premises through Indian LED trading businesses ...
Tags: China LED
Researchers in China have developed a low-cost, high-throughput photonic crystal (PhC) process for nitride semiconductor light-emitting diodes (LEDs) [Tongbo Wei et al, Appl. Phys. Lett., vol101, p211111, 2012]. The process used ...
Tags: Nanospheres GaN LEDs MOCVD, LEDs