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Showing posts from March, 2014

Features and Installation of LED Display

Features of LED Display Compared with other large-screen terminal displays, LED display has the following characteristics. 1. High brightness. The brightness of outdoor LED display is over 8000mcd/m2. This kind of display is the only large-scale all-weather display that could be used for all day long. The brightness of indoor LED display is over 2000md/m2. 2. Long service life. LED's service life is up to 100,000 hours (about ten years) or more. This specification refers to the design life of LED. 3. Large view angle. Indoor LED display's view angle could reach 160 degrees or more; and outdoor LED display's view angle is over 120 degrees. The view angle is determined by the shape of light-emitting diode. 4. LED displays vary from each other in size. There is 1 square meter display as well as displays of hundreds or thousands of square meters. 5. It's easy to connect LED display with computer. The display supports numbers of software. Installation

LED Display's Classification

There're many types of LED display for choice. Generally, LED displays could be classified in following ways. 1. Classification by Application. LED display could be used for indoor, outdoor or semi-outdoor applications. Indoor LED display generally ranges from less than 1 square meter to over 10 square meters. It's usually used for indoor applications. This type of LED display has a moderate brightness, large viewing angle, but light weight. It's suitable for watching at a close range. Outdoor LED display's area is from several square meters to 10 or even hundreds of square meters. Its brightness is around 5500~8500cd/sqm. This display sreen can be used under the direct sunlight. It's better for watching from a certain distance, say tens of meters. Besides, this outdoor LED display is weather-proof and lightning-resistant. LED Display (Times Square, NY) Semi-outdoor LED display screen has a relatively higher brightness than indoor LED display. I

What's LED Display?

LED display(LED Screen) is also known as electronic display screen. It, composed by LEDs and LED pc panel, displays characters, pictures, flash, video and other forms of content by lights on and off with different LED lights in different colors, including red, blue, white, and green. Different effect could be adjusted in accordance with different requirements. Take LED display for advertisement for example. Scrolling caption for advertisement is a flash saved in a memory card in the display; it's displayed by professional techniques. Traditional LED display usually consists of display module, control system and power system. LED light-emitting materials used for LED display production mainly include the following 3 forms. 1. LED emitting light. LED emitting light generally consists of a single LED chip, reflector, metal anode, and metal cathode. A basic pixel is composed with one or more single light(in different colors). Because of its high brightness, LED light is usuall

What's LED Grow Light?

LED Grow Light , inspired by the sunlight, offers artificial light for plant's growth. Light is one indispensable environmental factor for the growth of plants. Controlling plant morphogenesis through light adjustment is a very important technology applied for plant's cultivation. LED grow light is the very practitioner of this technology. It helps with photosynthesis, promotes plant growth, shortens time for flowering and fruiting, thus increases productivity! In modern agriculture, LED grow light is undoubtedly indispensable. LED grow light As a 4th generation light source, LED grow light show its unique features in many ways. LED grow lights with different wavelength help with photosynthesis and morphogenesis of different plants. It not only help adjust the flowering and fruiting, but also control the plant's height and nutrients. LED grow light generates little heat and occupies small space, which makes it a good choice for multi-dimensional cultivation sy

China LED Products' Embarrassment in U.S.

China LED products in the U.S. market are now in an embarrassing situation, big sales volume, but obscure brand identity. China manufacturers output a large volume of OEM LED products to the U.S., while almost few of their brands are well-known or approbative to U.S. people. Lingyun Yu, President of U.S. LED Association, said in an LED industry conference on March 25th, 2014. He also said, on one hand, many manufactures do not know where their products go at last and which kinds of end-buyers their products are sold to; consumers, on the other, could not tell which business these quality products come from.One experienced LED display manufacturer, which has been engaged in LED export business to U.S. for 7 or 8 years, also expresses the same problem. In U.S. market, China's LED exports are at a disadvantage. Their first export is usually started in the cooperation with U.S. companies, or even OEM service, let alone brand value or added value. They do simple process work,

Toshiba: LED Development in Americas Would not Focus on LED Lamps and Bulbs

Toshiba made some adjustments on LED market strategy. It said that its American market would not be limited to developing and selling LED lamps and LED bulbs. Recently, Toshiba announced that it would cancel its LED Lighting Division, located in Houston, Texas, before March 31, 2014. Toshiba Lighting headquarter in the U.S. will be taken over by Greenstar Lighting Products which is a subsidiary of Toshiba's in San Antonio, Texas. At the same time, Toshiba announced that the company will no longer focus on LED lamps and bulbs in American market. LED lighting decoration A Toshiba spokesman said, Greenstar will become Toshiba Lighting's headquarter throughout the Americas. It, in a short term, will focus on developing lighting products for street and industrial lighting products. The spokesman also added, from now on, Toshiba will minimize R&D on lamps for the American market. As U.S standard lamps could only be used in U.S., Toshiba plans to develop more uni

The World's Thinnest LED: Thickness of 3 Atoms!

Recently, researchers from Washington University declare that the world's thinnest LED is only equivalent to the thickness of 3 atoms. The co-author of the study report, Xiaodong Xu said , "Foldable LED in such thinness would be crucial to the research on portable electronic devices." The researchers indicated that the thickness of such kind of LED is 10 to 20 times thinner than that of today's LED. Besides, it's foldable, which will greatly enhance its flexibility. These two features together will play a catalytic part in development of wearable devices in the future. In addition, researchers will be able to replace electronic with optical signal on microcomputer chip by the use of this LED, thereby increasing the operating capacity while decreasing the heat generated during this process.  The world's thinnest LED - thickness of only three-atoms However, Xiaodong Xu didn't mention why the scale could not be smaller in his article. They exp

LED Grille Light

LED Grille light is usually found in office lighting. It's a good choice for high-power indoor lighting for a long time. LED Grille light applies solid light source; thus its service life mainly depends on LED light source and driver cooling section. Now LED light source's service life reaches more than 100.000 hours; and with the development of LED technology. the drive cooling section could basically achieve an ideal state. Advantages of LED Grille Light 1. Energy-saving. With the same conditions. the power consumption of LED grille light is only 10% that of incandescent light. 2. Long Service Life. LED chips generally could work well for over 50.000 hours. which is longer than fluorescent lights or incandescent lights. 3. Dimmable. At past. dimmer was designed for incandescent lights. When you dim the incandescent light. the light turns into red. Besides. there were almost no dimmer for fluorescent lights. That's why dimming technology saw no further develop

4 Quality Tests of LED Wall Washer

Do you know how many and what tests should LED wall washer undergo for quality certification before delivery? This article would help you to know it. Temperature Test Temperature test is a must in quality inspections of LED wall washer. There's a temperature limit for different components. During product designing, manufacturers should pay great attention to heat dissipation, especially that of certain components, such as insulation sheet. Components could be easily damaged if working under a high temperature condition for a long time. This might cause a fire or electric shock. The internal power module of wall washer is enclosed in a small space, which might lead to a heat problem. Therefore, manufacturers should select components in proper size, which would avoid the over-heating problem when the components work under full-load condition. Aging Test  LED wall washer should undergo a 24-hour aging test before delivery; and waterproof test should be carried out im

7 Basic Specifications of LED Wall Washer

Here I'm going to show you 7 basic specifications of LED wall washer that you'd like to know before buying. 1. Power Power is a key factor determining LED wall washer's projection distance. Generally, the power could be 18W, 24W, 36W, 48W, etc. However, the power is flexible. It could be changed upon different requests. Usually, high-power LED wall washer is always in a single row. Concerning on heat dissipation, the power of 1-meter-long wall washer, which is designed with couples of 1W lighting bulb, must not exceed 36W; otherwise, a serious Lumens depreciation would happen as a result of heat dissipation problem. 2. Voltage DC power or AC power. Usually, build-in power supply requires AC 220V(AC110 in Japan), but external power supply requires low voltage, like DC24V, DC12V, DC27V and so on. The voltage could be different due to different customers' requirements. 3. IP IP protection is also a basic specification of LED wall washer. What's IP pro

What's LED Wall Washer?

As mentioned in " 4 Aspects to Understand LED Stage Light ", LED wall washer is a very important part of stage lighting. Well, it's not only used for stage lighting, but also a nice choice for indoor and outdoor lighting. Now I'll show you what's LED wall washer . LED wall washer is mainly used for architectural lighting purposes. As described by its name, the light comes from LED wall washer is like water washing all over a wall. It's energy-saving, and high luminous efficient. Now traditional wall washer light is gradually being replaced by LED wall washer. The power module for LED wall washer is installed inside the housing, of which the space is very limited. Therefore, some manufacturers, in order to save space, weld the pin-type components onto PCB board, which could cause a big problem in quality. These surface-mounted components could easily come off because of bad soldering. That's very dangerous. LED wall washer, controlled by a bui

LED PAR Basics

LED PAR is one important part of stage lighting and lighting for residential and commercial applications. Here I'll show your LED PAR basics for a better understanding on it. LED PAR is also known as LED par can or LED par light . PAR is short for "Parabolic Aluminum Reflector". LED PAR is usually found in illumination or decoration use for home, shopping malls, restaurants, and a variety of large-scale performances. There're LED par lights with different functions or specifications, such as waterproof LED Par, die-cast aluminum LED par light, LED PAR38, LEDPAR30, LED PAR20, LED PAR64, etc. LED PAR in Retail Lighting Application LED PAR applies superior quality and high efficiency LED chip. It shows a good brightness and s high color rendering index Ra, up to over 80. The light is close to natural light, which is good for human eyes. Selected components, including drive power supply, guarantee the service life and quality of LED par light. Besides, LED

4 Aspects to Understand LED Stage Light

LED stage lights are important parts of stage lighting. Stage light is a general term referring to all kinds of lights used for stage lighting. Now I'll show you 4 aspects to understand LED stage light and the composite of stage lighting. Classifications of LED Stage Light According to application, there should be 4 main kinds of LED stage lights. 1. LED Stage Lights for Performance A. LED Par (also LED par can, or LED par light). LED par has a similar shape like LED downlight, but in a smaller size. Generally, LED par can be divided by specifications, including PAR 64, PAR 56, PAR 46, PAR 38, PAR 36 and so on. B. LED Gobo light(or someone may call it pattern light). It's typical technical combination of led light and colorful patterns. C. LED moving head. It does not have the pattern or color effect of traditional moving head, but its scanning effect is much better than the latter. D. LED strobe(or LED strobe light). LED strobe is generally designed with low-po

10 Features and Advantages of LED Tube

Here are 10 features and advantages of LED tube that you would like to know. 1. Eco-Friendly "Eco-friendly" is the most common feature and advantage of LED lighting products. But I still would like to mention it again. Compared with traditional fluorescent tube, LED tube does no contain any mercury, lead or other harmful substances which could cause a pollution to the environment. Besides, the tube cover can be recycled. That's why LED tube is recognized as one of the green lighting products in the 21st century. 2. Less Heat Traditional lamps light with tungsten, which would generate a lot of heat in use. However, the lighting efficiency of LED tube light has reached 140L​​/W with a temperature below 60 ℃ at the tube's surface. LED tube does not produce any ultraviolet light, thus causes no harmfulness to documents, or clothes. LED tube show 3. Noise Free LED tube does not generate any noise, which makes it a nice choice for places where sophistic

LED Tube Basics

LED tube is everywhere in our life. Then what's LED tube? Today, I'm going to show you LED tube basics . LED tube is also known as LED tube light, or LED fluorescent tube. Traditional fluorescent tube light has two filaments at both ends. The tube is filled with argon and mercury vapor, and coated with a fluorescent powder. The gases emit ultraviolet and make the powder lighting if connected with electricity. As it contains heavy metal pollutants, " Mercury ", discarded fluorescent tubes could be a great threat to the environment. But LED tube is different. It applies light-emitting diodes as light source; it's high luminous efficient, energy efficient, eco-friendly, and enjoys longer service life. LED tube lighting LED tube's dimension is just like traditional fluorescent tube's. There're T5 tube, T8 tube, as well as T10 tube. The length could be 0.6m, 0.9m, 1.2m, 1.5m, 1.8m, or 2.4m. T5 and  T8 tube are the two most common used LED tu

Service Life and Price of LED Downlight

I might forget to show you the service life and price of LED downlight in older posts, so I'd like to make it up with the following short article. Service Life of LED Downlight LED downlight is applied with solid light source. Its service life mainly depends on the solid-state LED light source and drive cooling part. At present, the LED downlight's service life reaches more than 100,000 hours. With a evolvement of LED technology and the application of technology in the drive and cooling, high-quality LED downlight's service life basically reaches 10,000~50,000 hours, almost 10-50 times of the ordinary halogen downlights. LED downlight saves up 80% energy, it is almost maintenance-free. LED downlight in kitchen LED Downligh Price As the LED bulb halogen downlight is more complex in structure than the common lights', the LED downlight price, even in the case of mass production, is higher than common halogen lamps. At present, led downlight is mainly used

Features of LED Strip Light

Today, I'm going to show you the features of LED strip light . LED strip light, with its unique design, has many benefits and features that other kinds of LED lighting products could not be compared with. LED strip is typically sold in metres. It operates at 12-volts. LED strip light also costs much less, for it only consumes less energy to create the same lighting effect. LED Strip Light for Outdoor Decoration LED strip light can be found in two specific types: single colour and colour-changing RGB (Red, Green and Blue). Like normal LED bulbs, single colour strip light could be warm white and cool white; while the colour-changing strip light permits users variable ambiances. Additionally they come in a variety of brightness, ranging from an ordinary light for domestic applications, to exceptionally bright for business applications. The brightness of a LED strip light is determined by the range and size of its LED chips. There're two primary chip sizes, 3528 (

Overview of Stage Lighting for Newbies

Here's a overview of stage lighting for newbies. I'll show you the status quo, 4 key aspects, lighting effects as well as uses of stage lighting. Stage Lighting is Flourishing with Prosperous Business Activities Whether you believe it or not, lights are undergoing a great revolution nowadays. Outdoor lights are flourishing with prosperous business activities, especially stage lights assembled for amusement and exhibition. This comes from good lighting requested by a play or musical performance. Professional stage lights are expensive but you can make a lighting set up for surprisingly a little money with materials that you can pick up from your hardware store, which creates a viable method to cut down the budget. Now we are going to discuss its purposes and objectives, lighting qualities, lightning the stage and objects on stage and the direction and movement. Stage Lighting 4 Aspects of Stage Lighting There're four vital aspects need to be considered in s

Installation of LED Panel Light

LED panel light could be installed to the ceiling, wall, or places with flat surface. There're several ways for installation of LED panel light . Today. I'm going to show you 3 main ways. 1. Suspending Installation You can install a LED panel light to the ceiling or suspend it under a mounting object. The light suspended from the ceiling will bright the entire place with a soft and even light. Then how to do suspending installation? First, you should mount a suspension component to the back of LED panel light; and then connect it to the connection lanyard. Please be attention, you'd better make clear from manufacturers whether the suspension components is standard or not. Generally speaking, suspension installation is a good way to mount LED panel lights for aquarium lighting. 2. Ceiling Mounting Ceiling mounting is the most common and easiest way for panel light installation. How to do it? First, make several holes for screws into the ceiling; then mount th

Components of LED Panel Light

How to improve the luminous efficiency of LED panel light? What to do to make my light products more competitive in market? Today, I'm going to give you a better understand on components of LED panel light , which would answer the two questions. 1. Aluminum Frame Aluminum frame is the key channel for heat dissipation. Frame made from die extrusions cost less and the price of processing is lower. Die-cast aluminum frame enjoys a higher IP level, but the initial investment on molding is much higher. 2. LED light source Usually we select 3528 led lamp beads, sometimes 3014 or 5050, for panel light production. Though the cost of 3014 or 5050 is lower, the luminous efficiency is slightly worse. The reason is that it's hard to design the light guiding network. Thus, 3528 becomes a better choice. LED panel light for office 3. LED Light Guide LED panel light guide is a key point to quality control. A bad network design causes a poor luminous efficiency. Usually, the s

Advantages of LED Panel Lights

LED panel lights are good lighting choice for hotels, bars, restaurants, cafes, home interior decoration, etc. They show a higher brightness than ordinary fluorescent lamps. That's why they're now commonly used for interior lighting purpose. The main performance, features and advantages of LED panel lights are as follows. 1. Flexibility in Design LED is a point-like light source. LED lighting designers can take good use of the combination of point, line, and plan to design panel lights with different shapes, and different lighting effect in accordance with customsers' request. 2. High Brightness LED panel lights are applied with high quality reflective panels and sealed design.  High efficient photoconduct plate and good aluminum materials are also a big part of panel lights. Thus LED panels show a higher brightness. LED panel lights for home use 3. Less Heat-dissipation LED panel lights, with a good heat-dissipation function, consume low power and dis