Linear Technology Corporation announces the LT3492, a 2.1MHz DC/DC converter designed to operate as a three-channel constant current LED driver. Each of the LT3492’s three channels can drive up to ten 300mA LEDs in series, enabling it to drive up to 30 x 300mA LEDs at efficiencies up to 96%. All three channels are operated by an independent True Color PWM™ signal, enabling each to be dimmed independently to ratios as high as 3,000:1.

LEDnovation, Inc. introduces the world’s highest brightness LED A19 lamps for 100W Incandescent and CFL replacements

China team develops the FSEZ1016A LED driver for lighting manufacturers Fairchild Semiconductor, a leading global supplier of high performance products that enable energy-efficiency, has been selected by one of the world’s largest lighting manufacturers, OSRAM®, to supply LED driver solutions. The FSEZ1016A was developed by Fairchild to meet and exceed the stringent performance benchmarks set by OSRAM.

Linear Technology announces the LT3760, an 8-channel LED driver, utilizing a step-up DC/DC controller capable of driving up to a 45V string of 100mA LEDs per channel. Its internal 60V, 1MHz DC/DC boost mode controller is designed to operate as a constant current LED driver for up to 80 white LEDs. From a 12V input, the LT3760 can drive 8 channels, each with up to ten 100mA white LEDs in series while delivering efficiencies exceeding 92%. Its multichannel capability makes it ideal for medium and large-sized TFT-LCD backlighting applications.

Yesterday, Bivar announced the PM5-3 Series, a 3 lead common cathode, bi-color 5mm panel mount LED assembly. The first in a line of bi-color LED assemblies, the new PM5-3 series extends Bivar's existing panel mount assembly product line, and features input driven color adjustment capabilities to address the growing demand for enhanced LED indication in a wide variety of commercial and industrial machinery.

Taiwan Semiconductor Manufacturing Company (TSMC), the world's largest dedicated semiconductor foundry, has unveiled modular BCD (Bipolar, CMOS DMOS) process technologies targeting high voltage integrated LED driver devices. 

Today, Grote Industries introduced the newest member of its LED WhiteLight Work Lamp Portfolio, the revolutionary Trilliant 36 LED WhiteLight Conversion Bulb. Trilliant 36 LED WhiteLight Conversion Bulb

After successful launching PLC-30(30W), PLC-60(60W) and PLC-100(96W) series, MEAN WELL added the new PLC-45 (45W) series to this LED power supply family for the emerging demand of LED lighting / decorative lighting applications. Until now, the PLC family designed with plastic cases plus terminal block style of I/O connection is able to offer user different wattage level from 30W to 96W.

The improvement of LED lighting efficiency has been amazing in the past few years. One important revolution of this century is going to be installing LED into everyone’s life, replacing traditional light bulbs. LED displays first appeared in the solid light source revolution, and now, it is everywhere, such as shopping district, sport stadium, high way, and wherever the electricity can reach. These huge LED displays stand themselves as the early indication of the LED revolution.

Commercial lighting-class 2700K, 90 lumen/W, high CRI >90 was achieved by HPLighting in its 2828 LED package series for interior lighting applications.

DuPont announced that it has been awarded a $2.25 million grant from the U.S. Department of Energy (DOE) for a two-year project to develop a solid-state lighting source using low-cost organic light emitting diode (OLED) solution-processing manufacturing techniques.

Applied Materials, Inc., Merck KGaA and the Braunschweig University of Technology (TU-BS) Tuesday announced that they have been awarded a grant by Germany’s Federal Ministry of Education and Research (BMBF) to develop processes to lower the cost of manufacturing organic light-emitting diode (OLED) lighting for general illumination applications.

Merck KGaA recently announced that it has launched a project called "New materials for OLEDs from solutions" (NEMO) together with renowned partners from industry and science. The objective of this project, which is being co-funded by the German Federal Ministry of Education and Research, is to develop innovative, soluble materials for use in large-area organic light-emitting diode (OLED) components for devices such as televisions, electronic traffic signs or lighting systems.

The Department of Energy recently announced $151 million funding for 37 ambitious research projects to pursue breakthroughs that could fundamentally change the way we use and produce energy. One of the selected projects includes the development of low cost crystals for LED lighting.

OSRAM Opto Semiconductors announced it has developed new transparent OLED prototypes which are only a few hundred micrometers thick and do not need separate encapsulation. The samples have a luminous area of 210 cm² and are already showing the enormous potential of OLED light sources.

After introducing LED power supplies with aluminum casing (CLG family) and fully enclosed plastic casing (PLN, PLC, ELN, LP family), MEAN WELL launched another LED product category, AC/DC open frame type for the “low cost” and “built-in” installation of LED lighting related applications. With the new PLP-45(45W), in addition to its existing PLP-30(30W) and PLP-60(60W) series, MEAN WELL offers LED system designers three different wattage options – 30W, 45W and 60W, which fully satisfies the low power wattage required.

LEDtronics® announces its first series of energy-efficient LED replacements of wall-pak luminaires for wall washing and security lighting. The high-power WWL20-24X2W-XPW-001W floodlight runs on a wide range of voltages, from 100 to 277VAC, consuming only 56 watts of power.

Toshiba Lighting & Technology Corp will release high-output LED light bulbs with a total flux equivalent to that of a 60W incandescent lamp. (Left) Components of the light bulb. (Right) An LED package developmed by Toshiba Lighting & technology.

Visible Light Solar Technologies is tackling a huge and urgent problem.  Commercial and industrial lighting accounts

Scientists at the University of Washington are working on a human machine interface where LEDs are embedded into contact lenses in order to display information to the wearer. This human machine interface will use custom-built transparent circuitry in a polymer lens that is roughly 1.2 millimeters in diameter.

Plextronics, Inc., a U.S.-based technology company focused on OLED and organic solar technology, announced last week that it has completed a $14 million Series B-1 financing round to commercialize its technology in the LED lighting and solar markets.

Philips Lumileds continues to advance its core LED technology and recent breakthroughs implemented in the latest LUXEON Rebel LEDs for illumination applications improve efficacy and light output performance at luminaire operating temperatures. Hot/Cold Factor compares the light output of the LED at 100°C Tj and at 25°C Tj—which is how LEDs are specified on a datasheet. LEDs in a luminaire are operated at very high junction temperatures, often between 80°C and 110°C.

(Photo by D. Stevenson and C. Conway, Beckman Institute, University of Illinois) Stretchable micro-LED display, consisting of an interconnected mesh of printed micro LEDs bonded to a rubber substrate.

Of all LED TV backlight modules currently on the market, there are two main types of configuration for backlight source: direct-type and edge-type configuration. As for backlight sources, 4 variations can be formed by different combinations of RBG LED and white LED; if the slim design, high- and low-power LED, as well as other types of LED backlights are taken into consideration, it may generate a wide variety of combinations. 

SRI International, an independent nonprofit research institute, and Showa Denko K.K. (SDK), a Japan-based chemical industry company in partnership with Itochu Plastics Inc. (CIPS), have achieved record-breaking results using SRI’s new cavity organic light-emitting diode (COLED) technology and SDK’s light-emitting polymers to produce a highly efficient light source that could one day replace incandescent and fluorescent light bulbs.

Mixing luminescence phosphor with silicone and dispensing it on a blue light emitting chip is a common LED package method in producing white light. The quality of white light depends heavily on the uniformity of phosphor on the blue die. Often times, when coupling secondary lens on white LED, it will reveal yellow circling. Such yellowing greatly shadows the quality of white light.

OSRAM Opto Semiconductors today announced a major breakthrough in the laboratory with its direct emitting green indium-gallium-nitride laser. It achieves an optical output of 50 mW and emits light in true green with a wavelength of 515 nm. Compared with semiconductor lasers based on current technology that operate with frequency doubling, direct emitting green lasers are more compact, offer greater temperature stability, are easier to control and have higher modulation capability, according to the company.

Utilizing metal heat sink, Liquidleds invents Liquid Immersed Thermal Management Solution (LITMS) that subverts conventional solution of heat dissipation and creates the first liquid-filled LED lightbulb in the world.

Showa Denko K.K. (SDK) recently announced that it had developed a new structure for its organic electroluminescent (organic EL) devices achieving approximately 40% in light output, which represents the highest level in the world.           

Researchers with Philips Lumileds have developed a monochromatic nitride diode that closes the yellow light-emitting diode (LED) gap. The phosphor-converted (PC) amber LED demonstrated by Regina Mueller-Mach and her colleagues uses the down-conversion of blue light from an indium-gallium-nitride (InGaN) LED to longer-wavelength light by a phosphor, in a variation of a well-established process for producing cold or warm white light from blue LED light.