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Why LED lighting chips are packaged?

As led lighting chips cannot be used directly, so it must be fixed to the bracket for the use of the device, chip and support to pass “line” led to filling the current conductor, leads. By line is very fine, only 0.1 mm in diameter. In addition, Due to the chip surface must be free of water, natural gas and other material erosion, so the same should be solid protection, which you would need to use transparent materials with extremely high rates of potting. General common transparent epoxy or silicone transparent chip protection of such materials. We know that if the chip interface for direct contact with the air, because the chip material close to the light refraction coefficient of air ……

Panasonic released deep UV-LED modules for ultraviolet sterilization

Panasonic has developed deep UV LED sterilization module with wavelength of 270nm, it will start selling on June 16th, 2014. The deep UV LED with wavelengths around 270nm has sterilization capability. However, the deep ultraviolet main light source before were mercury lamp and cold cathode tube. Therefore, not only large source size, but also need to light with drive, thus requires large installation space. Further more, there are also problems of the glass cover is easily be damaged, mercury will produce ozone, can not be lighted up instantly and other issues. Panasonic’s new product solves the above problems; The company reduces the wafer density defect significantly, and produces……

Walmart plans major LED transition in supercenter lighting globally

Retailer Walmart has a goal to reduce the power it uses per square foot of floor space by 20% before the year 2020. Moving to reach the goal, the company has announced that it will install newLED lighting in many of its largest supercenter stores across the US, Asia, the UK, and Latin America. GE Lighting will supply a variety of solid-state lighting (SSL) fixtures for the initiative, including the Lumination IS Series for the ceiling lighting that is the largest energy consumer in a supercenter store. Indeed, Walmart said that the lighting for the main sales floor in a store accounts for 90% of the total energy used in the building. The retailer has already had relatively efficient fluor……

Cree delivers compact LED linear fixture for wrap and strip replacement

Cree has announced the new LS Series of linearLED-based fixtures designed for surface- or pendant-mount applications replacing fluorescent wraparound (wrap) and strip fixtures as well as industrial low-bay fixtures. The LS Series is available in 4- and 8-ft lengths, features CRI of 92 based on Cree TrueWhite technology, and can deliver payback in around three years relative to legacy fluorescent systems. Cree touts the new product family as a no-compromise design given the high CRI and R9 value of 56. The company said that the fixtures can be used in demanding retail applications such as grocery stores where produce and meats must be rendered properly for maximum sales. But the design i……

Advantages of LED light sources

LED has many advantages, the major advantages are as follows: 1. voltage: LED low voltage power supply, power supply voltage between 6-24V, varies depending on the product, so it is a more secure than using a high voltage power supply power supply, especially in public places. 2. efficiency: energy 80% lower than with the luminous efficiency of incandescent lamps 3. applicability: very small, LED small pieces of each module is 3-5mm square, device fabrication into a variety of shapes, and appropriate to the volatile environment 4. stability: 100,000 hours, lumen 50% of the initial 5. response time: its incandescent millisecond response time, LED light response time with nano……

Philips Lumileds introduces 9-mm-LES COB LED for PAR lamp applications

Philips Lumileds has announced the Luxeon CoB 1202 LED array family that delivers efficacy over the range of 95-130 lm/W. The new chip-on-board (COB) LEDs are designed specifically for directional applications including integral spotlights and replacement lamps such as PAR38s where the key application requirement is high center beam candle power (CBCP). The 1202 LED family joins the previously introduced 1203 with a 9-mm light emitting surface (LES). The 1202 is in the exact same footprint as the 1203, enabling product developers to cover a range of lumen output requirements with one lamp or luminaire design. The 1202 tops out at around 1450 lm whereas the 1203 extends beyond the 2000-l……

Stockholm Concert Hall renovates with cool-running LED lighting

Global Design Solutions (GDS) has announced that the famed Stockholm Concert Hall (Konserthuset), home of the Nobel Prize awards, has been retrofitted with GDS ArcSystem LED-based lighting. The project includes multiple entertainment venues and audience areas in the facility; and above the main stage in the largest hall, 50 of the LED fixtures replaced 160 legacy lighting units, dropping power consumption from 68 kW to 7.5 kW. The Stockholm Concert Hall dates to 1926, is one of the few instances of neo-classical architecture in Sweden, and is the home of the Royal Philharmonic Orchestra as well as the Nobel Prize ceremony. The facility includes three separate halls that in aggregate seat ……

What is the effect of LED lights for city lighting development?

Street lamp is an important part of the lighting city, the traditional street lamps often use high pressure sodium lamp.Low light efficiency of high pressure sodium lamp faults causing the huge waste of energy,therefore,develop new type of high efficiency, energy saving, long life, high color rendering index of city lighting energy saving, environental protection of the street lamp is of great significance. Compared with traditional street lamps Light source,the LED Light as the LED street Lightsource has many advantages. First, the LED Light is a kind of semiconductor diode, its life is very long. When the flux decay to 80%, its life up to 25000 hours. And the life of the metal halide l……

Three factors that affecting the quality of LED light

Firstly, what kind of LED chip do you choose? This point is very important, the quality of the LED chip can be a very important factor. Give me some examples, the same crystal the $ 14mil white light chip for bottom glue with white glue and packaging glue package out of the ordinary epoxy LED lamp beads, single lit environment of 30 degrees, thousand hours later, the attenuation data for 70% of light failure; low bad glue package with a class D, under the same aging environment, thousands of small decline of 45%; If class C low decline glue package, under the same aging conditions. class A low decay glue one thousand small-time decline of 12%; class B low decline glue package in the same ……

The 13 advantages of LED fluorescent lamp

Energy-saving, long life, good applicability, because a single LED is small and can be made into any shape, short response time, environmental protection, non-hazardous metal waste easy to recycle, colourful, luminous color purity, narrow spectral range, and use red, green and blue primary color mixed color into seven colours or white light. LED fluorescent lamp and an ordinary fluorescent lamp LED fluorescent lamps have the disadvantages are as follows: expensive, current universal theory of light efficiency and light efficiency there is a big gap, current theories of life and life there is still a large gap. still have a certain amount of heat, light can also be greatly reduced. Ad……