TDK new type of solar cell

TDK new type of solar cell

TDK launch of flexible dye-sensitized solar cells

TDK in "CEATEC JAPAN 2008" on display at the use of organic pigments and zinc oxide (ZnO) flexible dye-sensitized solar cells. The company independently measured conversion efficiency of 7.9%. In such dye-sensitized solar cells, this is a very high value. The color is very bright solar cells, including red, yellow, green, purple, the company also disclosed in the carport with a live demonstration on the power.

TDK in the previous CEATEC exhibition also had dye-sensitized solar cells. This time the difference is: (1) encapsulation of the material from the floor and converted into flexible plastic glass, (2) test unit conversion efficiency from 7.2% to 7.9%, (3) the use of larger size module, and with the carport, and (4) by replacing the pigment to achieve a richer color and so on.

TDK used organic pigments and ZnO-based solar cells, pigment low cost, process temperature control in the plastic will not melt temperature, the maximum is 80 ℃. The company created the low-temperature process can make use of the advantages of using plastic bottom of the solar cells.

The manufacture of the test battery unit and tone than the more attention to product conversion efficiency. The display is even more emphasis on solar battery module color brightness. TDK Although there is no public each color of the solar cell conversion efficiency, but "other than the green IPCE (photoelectric conversion efficiency) of 80% of the maximum" (TDK), is relatively high. IPCE is that specific wavelength single photon energy conversion efficiency values.

Exhibition concept "DC Green Family"

TDK will be the CEATEC exhibition concepts as "green DC family (Eco-house)". The aim is to install renewable energy generation DC system, so that the output current into alternating current, but directly supplied to the operation of home appliances using direct current. Therefore, in addition to a live demonstration of solar power on the carport, but also exhibited a home wind power installations.

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Hydrogen fuel cell fleet

Hydrogen fuel cell fleet

Hydrogen fuel cell fleet of transport tasks successfully completed the Green Olympics

Beijing Sept. 20 Xinhua 20, from Volkswagen (China) companies have found that 20 Shanghai Volkswagen Passat Passat composed of hydrogen fuel cell car demonstration runs of the team, the successful completion of the Olympic Games and Paralympic Games green transportation task .

During the Olympic Games and Paralympic Games, the 2100 passenger total cell car trips, service mileage of 7.6 million kilometers.

Volkswagen (China) R & D experts said that this 20 Passat Passat demonstration fleet of hydrogen fuel cell cars hit the longest continuous run, the longest record of total mileage.

Using high-pressure hydrogen-powered fuel cell car Passat Passat, from SAIC, Volkswagen, Shanghai Volkswagen, Tongji University and the burning power jointly developed more than ten units. The high cost and constraints, this fuel cell vehicle to achieve the needed commercial about a decade.

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"MOBILNET" brand cell phone charger

"MOBILNET" brand cell phone charger

008 on 1 September, the European Commission Rapid Alert System for non-food categories (RAPEX) on the Chinese-made "MOBILNET" brand cell phone charger to issue consumer warnings. Inform the States to the Slovak case. The charger is black, sold separately, mainly for Sony Ericsson K750 (SE K750) cell phone use, the outer packaging marked with the CE marking, EAN code, website, origin, etc.; the product encoded as EAN code 8588002657290.

The product was informed of the reason for the existence of the user caused by electric shock. Because: (1) the construction of the converter charger does not meet EU standards related to insulation in the enhanced product features primary coil and secondary coil, the distance between the request; (2) of the charger output connector, and not by Plug the voltage between the main test pilot. The product does not comply with the EU Low Voltage Directive and the relevant EU standards EN60950.

At present, the Slovak authorities have banned the sale of the goods, while its withdrawal from the market and recall.

To this end, China Trade Remedy Information Network proposed the production and export of domestic enterprises attached great importance.

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Samsung launches 13-inch notebook with optical drive

Samsung launches 13-inch notebook with optical drive

The model variant Q330 N11M-GE2 Nvidia’s Hybrid Graphics has Optimus on board. The CPU are Intel’s Core-i3 and i5 are used. Prices start at 949 euros.

Samsung has introduced the Q330 13.3-inch notebook with optical drive. It is now available in different versions. Prices start at 949 euros.

All models have a reflective 13.3-inch screen with 1366 by 768 pixels resolution, 4GB of DDR3 RAM, 802.11b/g/n WLAN, DVD burner, webcam and Bluetooth 3.0. The Ethernet interface supports only 100 Mbit / s, most laptops have Gigabit Ethernet. The hard disk capacity of 250-640 GB.

For computing power allow for each configuration Intel Core i3-i5 or CPUs. The model variant Q330 N11M-GE2 Nvidia’s Hybrid Graphics has Optimus on board. To save power, it switches from the GeForce 310M when it is not needed. For then, the integrated graphics in the CPU unit.

The 6-cell battery to allow for periods of up to five hours. As operating system Windows 7 Home Premium installed.

The Q330 weighs 1.96 pounds and measures 32.9 times 22.9 times 3.2 centimeters. Samsung offers 24 months on-site pick up service.

The 13.3-inch Notebook Samsung Q330 is also available with hybrid graphics from Nvidia (Photo: Samsung).

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Sweet never ringing the cash

Sweet never ringing the cash

Economic crisis, job anxiety ago: The gifts hunt continues. On the fourth Advent weekend there was the strongest so far this year customers rush. The retail sector is happy with the turnovers.

This summing up of the nationwide Association of German Retailers (HDE) today. Million shoppers stormed the last weekend before Christmas, especially in the larger cities in the stores.

HDE spokesman Hubertus Pellengahr-described the weekend as a "highlight of the Christmas business. "Effects of the recession in the Christmas season still hardly" feel, it said. However, sales were lower than in the previous year when the fourth Advent to 23 December fell.

With the course of the Christmas business, the retailer continues to point to the HDE-information content. Hopefully, they looked at the remaining shopping days until Christmas Eve, are bought in addition to which experience presents particular food.

Of good jewelers shops, sports and toy retailer, and consumer electronics stores and perfume shops have benefited. Cautious showed the claims to the clothing trade, which suffered from the mild weather. On the fourth weekend of Advent Books, brand watches, they are more expensive jewelry, kitchen appliances and electronics have been the best seller.

From south to north, from east to west, it was unanimous from the retail, "This business is booming." The December was "a conciliatory conclusion to a difficult year," said the chairman of the Thuringian Retail Federation, Arnold Senft. He always criticized the new horror scenarios for the financial crisis. "If you always talk everything worse, believe the people against their own sense at some point."

The managing director of the National Federation of the Bavarian retail, Bernd Ohlmann, said in Munich: "We have believed in Santa Claus and have not been disappointed." Even the Bavarians were not in spite of all prophecies of doom came in the gift-strike.

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Darmstadt lights for Germany

Darmstadt lights for Germany

LEDs to replace conventional lighting? If we know already from everyday life. But on German roads has not yet managed the diode light. A new test project will change that - with regard to humans.

The LED is the diva with the street lamps. It is light and durable, but only if it is controlled with the right electronics. As the "High-Power LED she wants are further cooled properly, otherwise it dies a heat death. Because the benefits of technology but the cost savings are greater and because local authorities in the street long before, there are test projects on the use of diodes in the public sector.

The new Darmstadt project are: the Technical University of Darmstadt, Darmstadt, Germany, the power company HEAG Südhessische Energie AG (HSE) and the Siteco Ltd. is dedicated to not only good at pure power: "In this pilot project will be in Europe for the first time LED lights with compared to existing lighting technique and measured by test subjects in real conditions, "said project leader Prof. Dr. Tran Quoc Khanh from the Department of lighting technology at the TU Darmstadt.

So then compared in the Grillparzerstrabe, a typical suburban street with 30-speed zone and calm traffic, the new LED lights with three traditional lighting techniques under realistic conditions. And it should not only numbers and values are: goes, "We will also discuss the physiological and psychological effect of the LED light, as it is perceived by pedestrians and motorists," said Christoph Schiller, one of the project's concern.

Because of their light color of 4000 Kelvin, while the LED is in neutral white area (compared to the bulb is warm white, LED flashlights are partly a bluish). But as with the xenon light in modern car headlights, which is seen against the measured values as dazzling, the LED could also encounter problems of acceptance.

The comparative candidate known to every German: The white glowing mercury vapor lamps, developed in the 30s. However, you have a bad energy yield and are ripe for sampling. Then there are today used its successor, the sodium vapor lamps with the distinctive yellow light. They are even as an exchange option for the old versions of the mercury-case in the test road in place and as a standalone version with a new lamp design.

Stands as a representative of the new LED technology, the LD-10 of the Company in the fourth Siteco Grillparzerstrabe the measurement field. Your design with the kobraformigen head is striking, but a matter of taste. The actual work provided 86 high-power LEDs, which are associated with advanced technology for possible permanent lights.

The LEDs will be more economical, but they can not perform miracles. "Where a mercury vapor lamp 50 lumens per watt This unit describes how to efficiently implement a lamp energy. Higher values are better. Light produced, creating an LED is estimated that "70-75 lumens per watt, clarified Christoph Schiller. No revolution, then, but a significant savings. More impressive is the durability of LEDs - she is almost four times longer than conventional lamps. For the damp German municipalities could expect the new technology also.

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A sight for the gods

A sight for the gods

The mess is over - also you are presented with a new flat-screen TVs? Then this is the only professional fine-tuning necessary. For the factory, the units are less than optimal set.

Wrong colors, poor contrast - the manufacturers usually never get the most out of their devices. Why is the technology companies treat their flat-screen TVs neglected knows no one really actually. Some experts suspected intention behind it - cold colors would appear at first glance crisp, so they stand out from the unwieldy supply in the electronics markets.

Whatever the case: There is a simple and free way to your TV like a professional set up. For this you need a DVD player, some time and the appropriate test images. Which there is free on the Internet at Burosch audio-video technology. Simply download the software on the manufacturing side display Basic Test DVD. Then burn the file to a DVD. Put it in the DVD player - and you can start fine tuning.

Take the remote control of the TV, turn color and contrast controls in a neutral position and the brightness down completely.

Concentrate on the lower test beam with the fields from black to gray. Turn down the brightness step by step, back up, aim is to see a difference between all fields. Follow the wiring should be on the field with the 16, the right of it to be visible in any case a difference between a good unit that is also for the two darkest areas left of the case. Also, keep the dark hair of the woman in the picture in the right eye. If the hair can no longer distinguish good, just something out brightness.

Optimal point found? Then you go to adjust the contrast in second test image

The principle remains the same: first, the contrast of the TV turn down completely and then gradually increase again. Interesting again is the lower row of bars. The goal is to make each box clearly again. Orientation should be this time on the field with the 235, to the left should be distinguishable in any event all the fields. To the right of it is again difficult, with a good unit, however, are also gradations ausmachbar. In the end, take another look at the face of the woman left thrown, not their skin should shine unnatural. Otherwise, back light again.

Everything set up correctly? Then comes the color setting in third test image

ow the colors turn. The necessary control with the TV remote control in the middle position. Now consider the bottom three streaks of red, green and blue, and the mean fields. The truth set her TV when you can exercise every single box. It takes a little practice, but is doable. Then again, the skin type of women be checked - it's best to hold her hand next to the picture. If the complexion looks natural, then it goes to the final step, the focus setting.

Now it goes to the edge: You need to turn the sharpness control with the remote control completely down. Now pay attention to the two strips at the bottom and right edge, reminiscent of bar code labels. The lines of the two coarser lines should be clearly visible without any ghosting or smearing. This is usually a sign of clipping. Please do not be surprised: It may be that the optimum setting very much at the lower end of the scale is - here the producers go with a particularly sharp images in the store on Kauferfang. Last check again the hair of women, if everything looks natural. Then they are ready and can check all the settings again in the last test pattern.

Here you have everything at once: sharpness, color, brightness and contrast. You hear an annoying noise? This is of particular interest to owners of a home theater system. The speaker icon on the television shows ever, would have to come from which direction the sound straight. And now have fun with the Christmas movies!

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A sight for the gods