5/16/2023 0 Comments Monochrome printer meaning![]() The technology of the LCD screens in a resin 3D-printer is quite similar as for instance a laptop LCD (except for the backlight, which we come to later). For LCD printers it is obviously the LCD screen combined with its LED array. Next to the Z-axis, which provides the Z resolution, the most important component of a resin 3D-printer is its imaging system. That bright thing in front of you is the LCD screen.” We couldn’t write it better as Ackuretta: “LCD stands for Liquid Crystal Display – you will be familiar with this technology, as you are reading this article either through a mobile device or a computer screen. LCD screen technology in resin 3D-printing In this article you will learn more about the technology differences behind monochrome LCD screens vs RGB LCD imaging technology. ![]() From 2K RGB LCD / MSLA resin 3D-printers in the beginning, it evolved to 2K monochrome screens, 4K and even 8K mono LCD screens. From here the history in imaging technologies for resin 3D-printing is well-known. This new imaging technology based on LCD screens rapidly took over the entry-level and now even the professional resin 3D-printing space. Although companies like Structo and Photocentric released the technology a few years earlier. In around 2017 Wanhao brought the first affordable LCD based printer. Although the DLP technology still has some disadvantages (like limited build size / pixel size ratio and its price at the time). This technology has some benefits over laser based systems and made it possible to develop the first desktop sized resin 3D-printers. After lasers, Envisiontec (now ETEC) developed a projector based imaging technique in the early 2000’s, still known as DLP 3D-printing. Since then there have been plenty of developments in new imaging techniques. Where the laser ‘writes’ in the resin and everywhere it touches the resin the material will cure into a solid plastic. From the earlier days, these were always laser based printers. while the XY resolution is defined by the imaging technology that makes the resin cure. Within regular 3D-printers, the Z resolution is better defined as its layer thickness. The basics of resin 3D-printing are based upon the exact curing of resin at a specific location in the XYZ space.
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