In recent years, DLP technology has stood out in display solutions due to its advantages of being unconstrained by light sources, long-lasting color accuracy, flexible resolution, and higher switching speeds.
Since the inventor of DLP technology, Texas Instruments Larry Hornbeck won the 2014 Academy Award for Science and Technology for the invention of the Digital Micromirror Device (DMD) technology used in the DLP Cinema projection. DLP technology has won more s concern. So when it comes to DLP, people think of digital cinema and home theater. In fact, DLP technology is famous for these applications, but because of its high flexibility, it can support a wide range of display and advanced lighting control applications, and has already made great strides in the industrial, enterprise, automotive and other markets.
Let's take a look at the hot 3D printing technology. It is different from our common fused deposition (FDM) 3D printing principle. In DLP-based printing, printers use liquid photopolymer resins to build objects. The system projects digital graphics from the DMD to selectively cure and harden one layer of the photopolymer in a single projection, thereby increasing throughput and not being limited by the material properties of each layer. Projection optics can also be used to control the resolution of planar images and to adjust the layer thickness to "print" a smooth, precise finished product.
Figure: DLP-based 3D printing principle
According to Zheng Haibing, business development manager of TI DLP Product Division, this kind of printing method based on the principle of light curing is more accurate than FDM, and at the same time takes into account the printing speed. TI has introduced a high-speed, high-resolution DLP9000X chipset for 3D printing and lithography. With more than 4 million digital micromirror devices (DMDs), the DLP9000X reduces printhead count by 50% compared to its predecessor, the DLP9500, and supports print features below 1 micron. The DLP9000X delivers excellent data loading speeds for real-time, continuous, high bit depth patterns for high-resolution detail images. In addition, the data rate of the DLP9000X chipset is as high as 60Gb/s, which enables the production line to be shut down. In addition, it can support a variety of light sources including lasers, LEDs and illuminators.
DLP technology is also useful in PCB production lines that electronics engineers are most familiar with. With the traditional photomask process, each modification must be re-created, which takes a long time and a high cost. With the DLP9000X chipset, direct digital exposure is characterized by high speed and high resolution. The DLP9500UV Ultraviolet (UV) chipset enables rapid exposure and processing of photographic materials in industrial and medical imaging applications.
In recent years, DLP has also been widely used in spectral analysis techniques for pharmaceutical and food analysis. Based on spectral analysis of DLP technology, the role of DMD is a programmable wavelength selective filter that provides higher wavelength resolution, larger detection area and higher light capture efficiency than existing spectral analysis solutions. Better signal-to-noise ratio metrics can also be used to design high performance, reliable, flexible and economical spectral analysis solutions.
Developed for handheld near-infrared (NIR) sensing applications, TI's DLP2010NIR chipset is the industry's first fully programmable microelectromechanical system (MEMS) chipset capable of supporting ultra-portable spectral analysis in the 700~2500nm wavelength range with low power consumption. Programmable high-speed mode and the latest 5.4 micron pixels for compact optical design. Combining this chipset with Bluetooth and the DLP NIRscan Ultra-portable Evaluation Module (EVM) with Bluetooth low-power technology makes it easy to design prototypes of portable analytical instruments to accelerate the development of ultra-portable spectrometers.
Figure: Principles of spectral analysis based on DLP
In addition, DLP technology is being used in 3D machine vision, laser marking and computer-to-plate printing to create high-performance, differentiated solutions for a wide range of industrial applications. According to Zheng Haibing, engineers at the Munich Electronics Show in Shanghai next March can see the above-mentioned innovative DLP advanced light control applications.
Inversion DC - AC Power Supplies
IPS series DC - AC inversion power supplies are new generation of power dedicated AC Power Supplies for power system applications. It is mainly designed and manufactured according to the characteristics and requirements of power system.
This series of DC - AC power supplies can be divided into single-phase and three-phase AC power supplies according to the difference in the number of output phases. The output power of single-phase DC to AC power supplies ranges from 1KVA to 10KVA, and the output power of three-phase DC to AC power supplies ranges from 15KVA to 60KVA. The output voltage is divided into single-phase 220Vac and three-phase 380Vac with 50Hz fixed frequency output.
Now, the inversion AC power supplies are widely used in power system communication, carrier, monitoring, relay protection and humidity lighting, and can also provide uninterrupted power for AC lubricating pumps, AC fans, and water pumps in power plants. And it is widely used in various fields such as aerospace, financial system, office automation control, medical and health, military scientific research and so on.
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