In 2011, the HB-LED industry is undergoing dramatic changes. After an astounding 108% market growth in 2010, driven largely by the adoption of LED backlights in LCD TVs, computer monitors, and notebook computers, the market is expected to grow at a much slower rate of 10% in 2011. Demand for LCD TVs has slowed, and the oversupply of LEDs caused by widespread capacity scale-up has put strong downward pressure on prices. Nevertheless, the HB-LED market is forecast to grow another 45% by 2014 to $16.2 billion, driven by recovery in the backlight market and by the continuing adoption of LED lighting. Helping conference participants to understand the dynamics of this rapidly changing and complex market is a key goal of SIL 2012.

The focus for SIL 2012 will continue to be on the developments in HB-LED applications, technology, and manufacturing that will drive the market forward over the next five years and beyond. For the fourth year in a row the conference will feature a parallel LEDs in Lighting Track, which will examine some of the most pressing issues regarding the adoption of LED lighting in a variety of applications. Also, SIL will continue the tradition of offering a full-day Solid-State Lighting Investor Forum on February 7, featuring presentations by a wide range of advanced technology startups.

New this year is a full parallel track on LED manufacturing, based on the success of the half-day workshop first offered at SIL 2011. As the HB-LED industry scales up to unprecedented levels of high-volume production, manufacturing issues are receiving increased attention. Both traditional LED equipment suppliers and suppliers from the silicon semiconductor industry are developing new equipment and techniques to move to larger substrate sizes, increase automation, and improve yield and throughput. The LED Manufacturing Track, sponsored by SEMI, will explore the most challenging manufacturing issues facing LED producers in the coming years.

The 2012 show will also include a comprehensive exhibit area with more than 150 companies participating. The exhibit area will feature the LED Light and Design Pavilion, which is designed to showcase a variety of LED lighting products, and which will offer a series of presentations and hands-on demonstrations on February 8 and 9 for members of the lighting community. Moreover, five in-depth workshops and two tutorials will be held on Wednesday, February 7, offering topics ranging from LED test and measurement to architectural lighting design.

The show will also provide insight into the rapidly developing markets for LED lighting, backlights for LCD TVs, outdoor signs and displays, and advanced automotive lighting applications, as well as other major trends in applications, industry structure, government policies, markets, products, and technologies that will affect the LED industry’s future. Featured speakers for the conference’s HB LED Market Track include: Ling Wu, General Secretary of the China Solid-State Lighting Alliance; Chung Hoon Lee, CEO of Seoul Semiconductor Co.; and Eric Kim, CEO of Soraa. In addition, Ella Shum, Director of the LED Research, Strategies Unlimited, will provide an annual update on the market for HB-LEDs, along with a five-year forecast.

Other companies and organizations contributing to the HB LED Market Track include: d.light, LEDs Magazine, QD Vision, LIghtscape Materials, Philips Lighting, DisplaySearch, Lumileds, China LED Display Association, Cree, Osram Opto Semiconductors, Nichia America, Canaccord Genuity, SSLS, Inc., Mentor Graphics, Pacific Northwest National Laboratory, TerraLUX, and Texas Instruments.

Featured speakers for the LEDs in Lighting Track include: Ted Ferreira, Principal, CD+M Lighting Design Group; and Dave Ranieri, VP and General Manager, Commercial Indoor Business Unit, Lithonia Lighting. Vrinda Bhandarkar, Senior Market Research Analyst at Strategies Unlimited, will summarize the results of the company’s latest research on LED luminaire and replacement lamp market trends. Other participating companies and organizations include: Nualight, Type A Productions, JW Marriott, Pacific Northwest National Laboratories, PG&E, Northeast Energy Efficiency Partnership, Electrical Contractor Magazine, Lighting Research Center, Xicato, Cree, San Jose Department of Transportation, and Redwood Systems.

Featured speakers for the LED Manufacturing Track include Iain Black, vice president of worldwide manufacturing, engineering, and innovation, Philips Lumileds Lightng; Tom Morrow, executive vice president, emerging markets, SEMI; and Jacob Tarn, president, TSMC – Solid-State Lighting. Other participating companies and organizations include DOE Solid-State Lighting Program, Rubicon Technology, Plasma-Therm, EV Group, Rudolph Technologies, Labsphere, Everlight Electronics, Cookson Electronics, and Dow Corning.

1. What is LED?
   • LED is the abbreviation LED (Light emitting diode), the display industry, said the “LED”, refers specifically to emit visible light LED;
2. What is a pixel?
   • The minimum luminous LED pixel display, with ordinary computer monitor, said the “pixel” has the same meaning;
3. What is the pixel pitch (dot pitch)?
   • From the center of one pixel to another pixel distance from the center;
4. What is the LED display module?
   • Composed by a number of display pixels, the structure of independent LED display can be composed of the smallest unit. Typical are “8 × 8″, “5 × 7″, “5 × 8″, etc. Through specific circuits and structures can be assembled into a module;
5. What is DIP?
   • DIP is a Double In-line Package acronym, dual in-line assembly;
6. What is SMT? What is SMD?
   • SMT is Surface Mount Technology (Surface Mounted Technology abbreviation), is the electronics assembly industry of the most popular technologies and processes; SMD is a surface mount device (Surface mounted device abbreviation);
7. What is the LED display module?
   • Determined by the structure of the circuit and installation, with display, the display functions through a simple assembly to achieve the basic unit;
8. What is the LED display?
   • Some control by way of LED device array formed by the display screen;
9. What is the plug lamp module? What are the advantages and disadvantages?
   • DIP package is the lamp will light foot through the PCB, soldering tin filled through the hole in the lamp, made by this process module is inserted lamp module; advantages of a large angle, high brightness, good heat dissipation ; disadvantage is that pixel density;
10. What is the surface-mount module? What are the advantages and disadvantages?
    • SMD also known as SMT, the SMT package soldered welding process lights through the surface of PCB board, not through the PCB board light feet, made by this process is called surface mount module module; advantages are: great view, soft display image, pixel density, suitable for indoor viewing; drawback is the brightness is not high enough, heat lamp itself is not good enough.

Global shipments of LCD TV panels with LED backlights reached 16.4 million units in Q1’11, a slight decrease from 16.6 million units in Q4’10. According to the DisplaySearch Quarterly Large-Area TFT LCD Shipment – Advanced LED Report, LED penetration in LCD TV panels reached 33% in Q1’11, a healthy growth from 29% in Q4’10.However, LCD panel manufacturers have adjusted their targets for 2011 LCD TV panel shipments with LED backlights down from 53% to 47%. Key reasons for this change in outlook include the current sell-through climate, price erosion in premium LED models, making them less attractive, and a shift in strategy towards 3D panels. New LCD TV panel manufacturers are focusing on CCFL production to ensure stability in the business lines as they ramp up their Gen 6 and Gen 8 lines.“Despite some build-up of LED-backlit TV panel inventories in the second half of 2010, the industry has recognized that LED backlighting is an irreversible trend, with benefits such as lower power consumption and slim form factor,” noted David Hsieh, DisplaySearch Vice President and research leader for large-area panels. “As a result, LCD TV panel makers are continuously reducing LED backlight costs in order to increase shipments.”Hsieh added, “As we previously indicated, although the growing awareness of LEDs among consumers has encouraged panel makers to increase LED performance and continuously reduce costs, the growth in LED backlighting does not mean that CCFL will no longer be in demand. There are still many consumers and emerging markets that are very price sensitive.”LG Display continued its leadership in LED-backlit LCD TV panel shipments in Q1’11, shipping more than 4 million units for a 27% share. Samsung closely followed with 24%, and Sharp and AUO each had 18%. Nearly all LCD TV panel makers are focusing on edge-type LED backlights, with the exception of Sharp and LG Display, who are also producing direct type backlights.In terms of LED backlight LCD TV panel revenue, Samsung led with 30%, followed by LG Display with 27%.Penetration of LED backlights in LCD TV panels is highest in 50” and larger screen sizes. In Q1’11, LED backlight penetration was 86% in 50-54” LCD TV panels, 82% in 55-59”, and 83% in 60”+. In the 46-47” segment, LED backlight penetration was 54%, and in the 40-42” and 32” segments, penetration was 41% and 18% respectively.The Quarterly Large-Area TFT LCD Shipment-Advanced LED Report covers the entire range of large-area panels shipped worldwide and regionally, with special focus on LED features. Authored by industry experts, this report analyzes historical shipments and forecast projections to provide some of the most detailed information and insights available. The report is delivered in Excel pivot tables, flex spreadsheets, and a PowerPoint analysis. For more information, contact Charles Camaroto at 1.888.436.7673 or 1.516.625.2452, e-mail contact(at)displaysearch(dot)com, or contact your regional DisplaySearch office in China, Japan, Korea or Taiwan.

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A new high-performance 150” diagonal LED video display developed by FormoLight Technologies, Inc., provides high brightness and high contrast with sharp, vivid images for indoor and outdoor applications thanks to an LED solution from OSRAM Opto Semiconductors that utilizes its compact Multi ChipLEDs.

The RGB Multi ChipLEDs used in the FormoLight display are the smallest RGB LEDs currently on the market. Their compact size permits a special image format in LED video displays ranging in size from small to large screens. In this display, for interior use, the LEDs are not used as backlighting light sources that are hidden from viewers such as in LCDs, but in this application the LEDs are clearly visible on the surface of the display. However, they remain undetected by viewers because the Multi ChipLEDs are extremely small (1.6 mm x 1.6 mm and 0.9 mm thick) and virtually invisible through the black LED housing.

“Information has to be presented clearly in every respect. This concerns not only the concept of visualization, but also the technical reproduction. Excellent image quality is needed, which is easier to realize thanks to the advantages of LEDs, such as their directional characteristics and light quality,” explains Sven Weber of OSRAM Opto Semiconductors. “The black LED housing reflects almost no ambient light, thus ensuring a perfectly flawless image.” The FormoLight display utilizes OSRAM’s Multi ChipLED technology to deliver high brightness, rich colors, sharp contours and depth of field, displaying high-quality images with high contrast.

Ultra-wide vision: Convincing from every angle
Multi ChipLEDs produce a homogenous image from virtually any viewing angle. This homogeneity is based on two principles. The LEDs can be packed very closely together because of their compact size – the distance between pixels can be as little as 2mm. Also, the special casting material ensures a perfect color mix. The LEDs contain three chips (red, green, blue) manufactured using OSRAM’s Thinfilm or ThinGaN technology, each of which can be controlled separately. The color impression is constant across the entire viewing angle and remains brilliant even when viewed from the side. Thanks to the LEDs’ sharp contrasts and high output, this high image quality is maintained even in high ambient light environments. The use of this technology is also worthwhile from an economic perspective, as LEDs are characterized by low power consumption and long life.

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 lamps, LED is characterized by low working voltage and current, high reliability, long service time, easy adjustment of brightness, etc.

The entry threshold has been lowered gradually from upstream industry to downstream industry of the LED industry chain. The upstream industry is single chip and its epitaxy, the midstream industry is LED chip processing, and the downstream industry is package test and application, among which upstream and midstream industries are the fields with most fierce international competition, highest business risks, rich technology content and huge capital investment. In LED industry chain, the profit of LED epitaxial chips and chips accounts for about 70% of the industry, that of LED package accounts for about 10%-20%, and that of LED application also accounts for about 10%-20%.

Under the circumstances of global energy crisis and increasing requirement of environmental protection, energy-saving, safe, micro and environmentally-friendly semiconductor LED lighting with long service time and rich colors has been universally recognized as the principal way for energy saving. Semiconductor lamps adopt LED as a new light source, whose consumption is only 1/10 electricity of that of general incandescent lamps and service time prolongs 100 times under the same brightness. In 2010, the scale of global LED market exceeded USD 10 billion. It is predicted that the annual compound growth rate of global LED market will be over 20% in 2011-2015.

Global LED industry mainly concentrates in Japan, Taiwan, Europe and America, South Korea and Mainland China, among which Japan occupies 50% shares and is the world’s largest producing country of the LED industry.

After 30-year development, the LED industry in China has initially formed a relatively complete industry chain, covering all the links of LED substrate, epitaxial chips, chip package and application. By the end of 2010, there have been over 1,000 LED relevant enterprises in China. These enterprises mainly concentrate in the downstream package and application fields, whose development of extension and chip links relatively lags behind.

Viewed from industry chain, the midstream and the upstream of the LED industry are capital-intensive, namely in great demand of capitals. Though many enterprises declared to invest in LED projects in 2010, many enterprises only had the investment intention without real actions. In China, upstream enterprises often have small scales, whose chip products are in short supply, and the phenomenon of accumulation of package customers’ orders generally exists in these enterprises. Hence, in the short term, the relation between production capability and market demand is that supply exceeds demand in upstream epitaxial chip link rather than overheating investment.

In midstream package link, influenced by high technology and investment threshold at the present stage, degree of self-sufficiency of middle and high-end packaged products (e.g. large-power device and surface mount device) in China is low, while low-end packaged products (e.g. in-line device) can basically meet the demand in domestic application fields without overheating investment. In downstream application link, different application fields show different characteristics, and overheating investment phenomenon temporarily exists in some fields. There are many enterprises producing application products in the downstream industry of China’s LED industry, which always face the problem of excess competition with constant capital investment. It is predicted that vicious competition will occur in 2011-2012.

Though the overall LED industry in China does not possess advanced technology and scale advantage of international manufacturers, it owns the local service advantage. Huge LED application demand in China, including airport, expressway construction and various governmental projects, will bring LED enterprises especially midstream and downstream enterprises great opportunities for development.

With the enhancement of luminous efficiency and application technology, the LED applications have been transferred from the original indicator lamp application to other fields with more development potential such as display screen, landscape lighting, backlight, automotive lamp, traffic lamp and lighting. LED application is showing a diversified development trend.

But it was the LED light display created by EPIC Production Technology that won the Lights on Broadway lighting design competition Friday.

The Lights on Broadway festival attracted about 30,000 people over a warm weekend last September with a lighting design competition in which three firms from across North America each lit up a block along Broadway. Thousands of people sporting blinking blue stars and candles strolled the boulevards that Saturday, voting on the light display they liked best.

The Lights on Broadway committee jury considered the technical and environmental details of each proposal, and determined EPIC’s concept features the best overall lighting design.

EPIC’s light-emitting-diode technology allowed the colour of the lights to be programmed to change at a moment’s notice at no additional cost, permitting a dynamic celebration of events such as Canada Day — with red and white lights. The jury also appreciated that the design could be implemented without any attachments to the trees — the best choice for the ongoing health of Broadway’s signature elms.

EPIC will be asked to create a final design to light up Broadway permanently, year round.

The Downtown BIZ and the Lights on Broadway committee members will launch a capital campaign spearheaded by Ida Albo to raise the required capital upon approval of the final lighting design.

“We truly feel that it will be a marquee for the city of Winnipeg and the province of Manitoba,” says Gary Sywake, EPIC project manager. “With so many landmarks being established, we know we can make this truly our own for generations to enhance and feel proud of the downtown. We look forward to entering into a partnership with the Downtown BIZ and creating a world-class design that the citizens of Winnipeg will be proud of.”

Lights on Broadway is sponsored by Manitoba Hydro, Manitoba Homecoming 2010, the Downtown Winnipeg BIZ and the Hotel Fort Garry.

Low energy, high output LED downlights from Tec-know offer an alternative to older, non-eco friendly, high power, halogen globes. LED downlights provide a practical, contemporary LED lighting alternative for commercial or domestic environments.
Compared to halogen globes, LED downlights give off very little heat and have very low power consumption. The power draw of LED downlights is approximately 80% less than that of a halogen down lamp.
LED downlightsare available in a wide range of modern designs, made from aluminium and tempered plastic. Design finishes are either silver, brass or white.
LED downlights are available in both 3watt and 9watt power models, with a choice of either white or warm white LED lighting. LED downlights have an operating temperature of between -20˚C to +50˚C, with an average life span of 50 000 working hours.
LED downlights are lightweight, simple to install, and are supplied with a DIY installation kit. LED downlights are powered using a plug and LED downlight Driver. Depending on the lamp wattage, up to six LED downlights can be connected per driver.