Yes, LEDs are coming again. This time, it is not used in the backlight of the LCD Screen, but the table lamp Z-BAR, which won the "Best of the Best" award from International Design Magazine, can win this award. On behalf of the Z-BAR has exceeded the level of the lamp, came to the ranks of furniture!
The Z-BAR from Koncept comes with 66 long-lasting LED bulbs. It can be used for at least 40,000 hours. The 47-inch slim lamp holder and 3 rotary joints can be said to have no dead angle and total illumination. Up to 100 lumens, perhaps comparable to other incandescent bulbs with illumination levels up to 500-800 lumens, but Z-BAR can concentrate light at an observation angle of 50 degrees and a standard that radiates light to the surroundings. Instead of a light bulb, it does not waste "light."
The Z-BAR can be erected directly on the base or on the edge of the desk. The price is about US$130, equivalent to about RMB1,000.
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With the maturity of TFT technology in the early 1990s, color LCD flat-panel displays developed rapidly. In less than 10 years, TFT-LCD has rapidly grown into a mainstream display, which is inseparable from its advantages. The main features are:
(1) Good use characteristics: low-voltage applications, low driving voltage, and improved safety and reliability of solid use; flat panel, light and thin, saving a lot of raw materials and use space; low power consumption, its power consumption is about CRT display One-tenth of that, reflective TFT-LCD is even only about one-hundredth of CRT, saving a lot of energy; TFT-LCD products also have specifications, models, and sizes in series, with various varieties, convenient and flexible use, maintenance, and update , Easy to upgrade, long service life and many other features. The display range covers the application range of all displays from 1 inch to 40 inches and large projection planes. It is a full-size display terminal; the display quality ranges from the simplest monochrome character graphics to high resolution and high color fidelity. Various specifications and models of video displays with high brightness, high contrast and high response speed; display methods include direct view, projection, see-through, and reflective.
(2) Good environmental protection characteristics: no radiation, no flicker, no harm to the user's health. In particular, the emergence of TFT-LCD e-books will bring mankind into the era of paperless office and paperless printing, triggering a revolution in human learning, dissemination, and recording of civilization.
(3) The application range is wide, and it can be used normally in the temperature range from -20°C to +50°C. The low temperature working temperature of the TFT-LCD after temperature reinforcement can reach minus 80°C. It can be used as a mobile terminal display, a desktop terminal display, and a large-screen projection TV. It is a full-size video display terminal with excellent performance.
(4) The degree of automation of manufacturing technology is high, and the characteristics of large-scale industrial production are good. The TFT-LCD industry technology is mature, and the mass production yield rate has reached more than 90%.
(5) TFT-LCD is easy to integrate and upgrade. It is a perfect combination of large-scale semiconductor integrated circuit technology and light source technology, and has great potential for continued development. At present, there are amorphous, polycrystalline and monocrystalline silicon TFT-LCDs. In the future, there will be TFTs of other materials, including glass substrates and plastic substrates.
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ESEN Optoelectronics Technology Co., Ltd, , https://www.esenlcd.com