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Commentary: Having Some Fun: Smart Lighting is going to be messy
 
... Don't let the headline worry you... 'smart' lighting is going to be great, and it will work well, but it is most assuredly going to be a somewhat messy process to go from today's versions of controllable lighting, to tomorrow's actual smart lighting. In terms of impact players, Philips...

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Nichia Files New Patent Lawsuit Against Everlight Electronics and Distributor Tachibana Electech
LIGHTimes Staff

April 15, 2014...On April 10, 2014, Nichia Corporation filed a patent infringement lawsuit in Tokyo District Court seeking to enjoin Tachibana Eletech Co., Ltd., and E&E Japan Co., Ltd., from infringing Nichia’s patent (No. 3786114 and No. 3972943) and to seek damages for the infringing LED products. Nichia alleges that product number 1254 series purchased from Tachibana infringes the patents. Everlight Electronics Co. Ltd. is a Taiwanese manufacturer of LEDs and light engines. Tachibana and E&E reportedly import and sell the allegedly infringing products.

On April 8, Tachibana had announced the filing of a lawsuit against Nichia alleging that Nichia made false and slanderous claims about Tachibana and that these allegedly slanderous claims constituted unfair competition. Nichia asserts that the Tokyo District Court dismissed similar claims from an Everlight lawsuit against Nichia in 2011, which alleged at the time that Nichia's posting of Everlight's press release was an act of unfair competition. Nichia also notes that in the decision the Tokyo District Court ruled that Nichia’s bringing of the suit against Everlight “was done based on a reasonable basis”, and that Nichia's posting of the Everlight press release did not constitute an act of unfair competition or tort.

Philips Lumileds Launches CoB 1202 Arrays Targeted Towards Spotlights and PAR38 Replacement Lamps

April 15, 2014...Philips Lumileds has debuted its chip-on-board (CoB) arrays for PAR38 equivalent lamps, the Luxeon CoB 1202. According to the company, the array is ideal for spotlights, delivers 115 lm/W, which it claims gives it a 10% or greater efficacy edge over most competing solutions. The 115 lm/W is the nominal rating, with specific performance ranging from 95-130 lm/W depending on the array's color temperature and CRI.

“The high efficacy, combined with our lineup of compatible reflectors and drivers, enables the most affordable PAR38 and spotlight designs to date,” said Eric Senders, Product Line Director, Philips Lumileds.

The 9mm Light-Emitting Surface (LES)device is mechanically and optically compatible with the company's 1203 devices, and can tap into the same component ecosystem. The 1202's available CCTs rangs from 2700 to 5700K and CRIs of 70, 80 or >90. The typical output for a 3000K warm white, 80 CRI version is 800 lm when driven at 200mA. The warm white arrays allow drive current up to 400mA and can achieve a flux of 1500 lumens. The high CRI (>90) versions provide an R9 of >80 for higher color rendering applications such as retail downlights and spotlights.

Luminus Launches XNova Mid-power LEDs
LIGHTimes News Staff

April 8, 2014...Luminus Devices introduced the new XNova mid-Power LEDs for replacement lamps and luminaires. The XNova mid‐power LEDs are aimed at what the company calls high growth lighting applications, ranging from linear T8 lamps to diffused panel lighting and replacement lamps and luminaires.

The new product line consists of f2016, 3014, 3020 and 3030 platforms, with nominal input powers ranging from 0.18W giving off 22 lumens (min) and operating at about 122 lm/W to 0.93W putting out 107 lumens at about 115 lm/W efficacy. The XNOVA mid power LEDs achieve 130+ lumens per watt (LPW (typ.) at nominal test conditions, and 170+ LPW (max) at lower input power. The packaged LEDs span the ANSI color gamut from 2700K 6500K with standard minimum CRI of 70 and 80. Luminus is also offering each mid power platform in a high CRI 90+ version for applications that require the highest color quality.

“We are excited about the release of this critically important product line,” said Dr. Decai Sun, Chairman and CEO of Luminus Devices. “Mid power LEDs are becoming broadly accepted in general lighting and Luminus is taking a l eadership position with this launch to address the most demanding applications."

Consumer Demand for LED Backlight Falters as Demand for LED Lighting Rises
LIGHTimes News Staff

April 3, 2014...While demand for LED chips for backlight applications in display screens is expected to decline, both LED lighting sales and total shipments of LED chips are increasing. According to NPD DisplaySearch, worldwide LED lighting chip sales are expected to rise from $1.1 billion in 2013 to $3.4 billion in 2017. The company forecasts that overall LED chip demand (measured in standard units of 500 × 500 micron chip size) is expected to grow from 17 billion in 2012 to 61 billion in 2014. However, NPD Display Search predicts the market for LED backlight chips for TVs and other display applications will begin declining after 2014.

The company says a combination of slower growth in LED-backlit LCD TV sales and efficiency increases have resulted in a reduction in the number of chips used per backlight and the demand. LED backlight chip sales reached $2.0 billion in 2013, but are NPD DisplaySearch expects them to decrease to $1.4 billion in 2017. However, the company points out that consumer demand for LED lighting has increased since 2012, and the company expects it to continue growing through 2017.

"LED market observers have been expecting huge growth in the LED lighting market for a long time, and it's finally here," said Steven Sher, LED backlight and lighting analyst for NPD DisplaySearch. "Significant growth in consumer lighting is helping to keep the LED market on an upward trajectory, even with ongoing declines in backlight demand."

Lextar Debuts Package-Free, White Chip LED
SSL Design News Staff

April 2, 2014...Lextar Electronics Corp., a vertically integrated LED company, announced packaging-free “White Chip”. The package-free and substrate free flip chip is fabricated using a phosphor molding process and can be produced using current SMT equipment. The new White Chip LED made its debut at Light + Building Frankfurt 2014. Lextar demonstrated the new chip in various LED lamps including an ultra high efficiency omnidirectional LED tube, a 50-watt halogen equivalent GU10 LED spot lamp, and a point-light candle lamp

Lextar’s White Chip is a chip-scale die produced without a packaging process. The LED has wide beam angles, high lumen output, and high lumen densities. It can be packaged closer together for a simplified optical lens design. Lextar’s White Chip is specially designed for small lamps such as spot or candle lamps. It can also help reduce the thickness of direct-lit, backlight modules.

Lextar's GU10 spot lamp with the White Chip can achieve up to 2500cd at 25 degrees C with high CRI 90 performance. Therefore, it is an ideal replacement for 50-watt halogen lamp. The LED also gives its point-light candle lamp the identically glowing effect of starlight. Additionally, the light tube equipped with White Chip and COG (Chip on Glass) technology, enables 360-degree illumination with ultra-high efficiency of up to 200 lm/W.

“Since LED companies have been eager to attempt simplified manufacturing process at reduced costs in these few years, flip chip and several packaging-free LED products are getting more popular, ” said Dr. Reg Tsai, Director of Technology R&D Division of Lextar. The Company expects to make this newly launched White Chip available during Q2 this year.

Bridgelux Vero Series of COB LED Arrays Gets 10-Year Warranty
LIGHTimes News Staff

April 1, 2014...Bridgelux of Livermore, California, announced that its new Vero(TM) Series LED array light source will be backed with the first 10-year warranty for Chip-on-Board (COB) LEDs. Bridgelux asserts that it was the first company to introduce the 5-year warranty for COB products back in 2010. The new 10-year warranty applies to Vero Series LED arrays shipped on or after April 16, 2014. Bridgelux is also revealing the new Zhaga options for the Vero Series LED arrays this week at the conference.

"The level of R&D, technology, product development focus and investment Bridgelux has made over the years is paying off. It is rewarding to be in a market leadership position to continuously add value to our products, solve customer specific problems and see an immediate return on investment," said David Connors, VP Product Marketing.

The Vero Series LED array portfolio can power lighting for retail, hospitality, commercial, industrial, residential and outdoor applications. Bridgelux says its Vero Series LED arrays can provide ultra-white light for surgical theaters and healthcare facilities, or cool white, ultra-high CRI light combinations for television studios. Vero Series products can also help carefully tune color temperatures for grocery, bakery, textile, or Deli displays.

Samsung Debuts New Flip Chip LED Packages and Modules
LIGHTimes News Staff

March 27, 2014...Samsung Electronics Co., Ltd., of Seoul, South Korea, introduced a new line of flip chip LED modules and packages. The new offerings were developed for use in LED bulbs, MR/PAR and downlights and will be available during the second quarter of this year.

“By utilizing an advanced flip chip technology, Samsung has made significant improvements to its LED packages and modules,” said Bangwon Oh, senior vice president, LED strategic marketing team, Samsung Electronics. “Our new Samsung FC and FCOM solutions also strengthen our overall line-up of LED component solutions, further enhancing our market competitiveness.”

Samsung’s new flip chip on module (FCOM) solutions and flip chip (FC) LED packages feature flipped over blue LED chips and an adhering phosphor film on each chip. Unlike conventional LED packages that fabricated by dispensing phosphor and then placing a plastic mold over each chip, Samsung says its FC package technology can produce chip-scale size LED packages without any molds.

Samsung asserts that its FC and FCOM series can operate at a higher current than that of conventional LED components. The low thermal resistance of both series of flip chips reportedly increases the reliability resulting in higher flux. Thus, the number of packages needed is reduced along with the size of the circuit board compared to traditional LED technology.

The design employs an attached cell film on each package for uniform thickness and chromaticity control of MacAdam 3-step ellipses. The new FC and FCOM LED solutions include an LED downlight module, a middle power LED package (LM131A), and a high power LED package (LH141A), all featuring the new Samsung flip chip technology.

Samsung’s LM131A and LH141A flip chip packages measure 1.22 x 1.22 mm and 1.4 x 1.4mm, respectively. Samsung points out that excluding a plastic mold allows the two packages to operate reliably at a high current level. Overall, these advantages make them ideal for use in LED lighting applications requiring high light output and a small form factor such as LED bulbs and spotlight products including MRs and PARs. In addition, Samsung says that phosphor film assures color quality that satisfies the MacAdam 3-step.

The new FCOM is reportedly compatible with a variety of electrical drivers of different wattages through simply changing the number of FC LED packages. Samsung FCOMs require a circuit with a 1.7x1.7 centimeter form factor for a downlight with 1000lm output and 100lm/W efficacy. Samsung’s FCOMs satisfy the MacAdam 3-step and can support MacAdam 2-step depending on customer needs. Thanks to the superb color consistency of the chips and a color rendering index (CRI) of at least 80. The new Samsung FCOMs also come in a range of correlated color temperature (CCT) options – from 2700K to 5000K. These new LED solutions will be displayed at the Light + Building trade fair in Frankfurt, Germany, March 30 - April 4 (Booth B04 in Hall 6.2).

Philips Lumileds Claims Achievement of Over 1000 Lumens per Dollar with Luxeon 3020
LIGHTimes News Staff

March 26, 2014...Philips Lumileds launched the Luxeon 3020 emitter. This LED emitter can be utilized in lamps, troffers, TLEDs, high bay and low bay luminaires. “The Luxeon 3020 is the most affordable of all our mid-power LEDs, delivering over 1,000 lumens per dollar. This product will inspire the market with the next generation of high quality, efficient and attractively priced LED lamps, ” said Orson Lo, product manager, Philips Lumileds.

The Luxeon 3020 utilizes hot color targeting and a 1/9th micro color binning structure as do the company's other mid-power emitters. At operating conditions such as high temperature, Philips Lumileds hot color targeting ensures the color temperature remains within ANSI specifications. The new binning option can help customers achieve the desired color for a particular application. The new binning enables customers to select portions of the bin structure that are within the ANSI, 5-step MacAdam Ellipse or 3-step MacAdam Ellipse regions.

The 6 volt device which employs 2 three volt dies. The Luxeon 3020 employs an epoxy molding compound (EMC) along with QFN packaging technology. The Luxeon 3020 typically produces 90 lm at 6500K and 80 CRI when driven at the maximum drive current of 240 mA.

The Luxeon 3020 typical light output at 120mA ranges from 48.5 lumens at 6500K and 49 lumens at 5000 and 5700K down to 44.5 lumens at 2700K. At 6500K and 120mA, the typical efficacy is 133 lm/W/ At 2700K and 120mA, the typical efficacy is 122 lm/W. The highest efficacy versions of the device operate at 136 lm/Watt at 5000K and 5700K while being driven at 100mA.

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