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Understanding the Differences between LED, LCD and DLP Projectors & How they Work ? Guide to help u best suited for your application DLP, LCD, and LED Technology The technology used in projectors can generally be broken down into two types: transmissive or reflective. Because LCD projectors pass light through the LCD panels rather than bouncing it away, they are considered a transmissive medium. A DLP projector uses mirrors to direct the light in an image, so it is considered to be reflective. The third type of projector discussed, an LED projector, is named for the light source, not the type of projection technology. How DLP Projectors Work DLP projectors rely primarily on a DLP chip (called a digital micromirror device, or DMD), comprised of up to 2 million tiny mirrors, no wider than one-fifth the width of a human hair. Each mirror in this chip is capable of independent adjustment, moving toward or away from the light source to create a dark or light pixel. At this point, however, the image is in grayscale. Color is fed to the DMD by a beam of light that passes through a spinning color wheel before it reaches the chip. Each segment of the color wheel delivers one color. Basic color wheels support red, blue, and green, whereas more advanced color wheels support cyan, magenta, and yellow. While these chips can create up to 16.7 million colors, a DLP projector with a three-chip architecture can deliver up to 35 trillion colors. After color reaches the DMD, the image is fed through the lens and onto the projection screen. Advantages and Disadvantages to DLP Projectors DLP projectors require less maintenance than LCD projectors because they have a filter-free and sealed chip design, which means dust cannot settle on the chip and cause an image spot. They are effectively immune to color decay. Furthermore, they are not subject to the misalignment that can occur in LCD projectors with a three-panel design, which require each panel to be in perfect position to combine the image at the proper angle. However, DLP projectors with slower color wheels may give off a rainbow effect, which is when bright flashes of color appear on the screen, like rainbows. Also, although the chip is sealed, other components are not, so dust can settle on the color wheel and affect image quality. Another disadvantage may be the poor viewing range. Most DLP projectors are not readily compatible with zoom lenses or lens shift functions, which means they are best suited to smaller environments. This would likely not be the best choice for a large home theater projector. How LCD Projectors Work LCD projectors use the same liquid crystal displays that create the images in watches and other electronic devices. Specifically, most LCD projectors use 3 LCD technology, a patented system that combines three liquid crystal displays. An image is created in a multistep process, which begins with the light source providing a beam of white light. The white light is passed to three mirrors, called dichroic mirrors, that are specially shaped to reflect only a certain wavelength o flight. In this case, the mirrors reflect red, blue, and green wavelengths. Each beam of colored light is then fed to an LCD panel, which receives an electrical signal that tells it how to arrange the pixels in the display to create the image. All three LCD panels create the same image, but they have different hues because of the colored light passing through the panel. The images then combine in a prism, creating a single image with up to 16.7 million colors that is passed through the lens and projected onto the screen. Advantages and Disadvantages to LCD Projectors The technology in LCD projectors is more established and reliable than film projectors. However, they may still require maintenance, as pixels can burn out and dust particles can interfere with image quality. On the other hand, LCD projectors have no moving parts, as DLP projectors do, and they are generally less expensive than their DLP counterparts. They also support setups in larger rooms where a greater projection distance is needed, because they are compatible with zoom lenses and lens shifts. This makes them great for larger, at-home cinema projects, as long as there is a smooth projection surface available. How LED Projectors Work LED projectors are defined not by the display technology used, but the lighting. In fact, some DLP projectors with "solid-state illumination" technology are actually LED projectors. Another type of projector, the pico projector, commonly uses LED technology as well. Pico projectors are essentially handheld devices that use LCoS, or liquid crystal on silicon, which is similar to an LCD panel but reflective rather than transmissive. In these cases, the projector replaces the traditional lamp with longer-lasting and more efficient LEDs, colored in red, green, and blue. In DLP projectors, this also replaces the color wheel technology, instead letting the red, blue, and green LEDs shine directly on the DMD chip. The Advantages and Disadvantages to LED Projectors The LEDs in an LED projector have a much longer life than traditional projector lamps, rated at 10, 000 or even 20, 000 hours as opposed to 1, 000 hours to 5, 000 hours. As such, the LED light source is meant to last the entire life of the projector without ever needing to be replaced. This is a big advantage in multimedia setups because replacing traditional lamps can be a major expense in projector maintenance. There is no warm-up or cool-down time needed because the LEDs are much more energy-efficient than traditional light sources, and they are also much quieter. This reduces maintenance and operating costs. To Know which projector is best for you walk in at Av Integrators-Nashik or call Manoj @ 9422277128
GST -Not a worry !! For all your office automation needs like Projectors Home Theater projectors Wireless Projectors LCD Projectors DLP Projectors LED Projectors Professional Displays Touch screen Displays Interactive Boards Displays Signage Projector Screens Ceilling Mount Kits Cables ID-card Printers Videoconferencing solution Technical Consultancy We are GST compliant visit us at Av Integrators Shop No-13, Shriram Sankul, Wakilwadi, Opp Hotel Panchavati, Nashik-422001 Tel-0253-2311128 www.av.integrators.co.in
One stop Shop for all your Audio Visual needs like Motorized , Wall Mounted & Tripod High gain Screens, Various types of Ceiling Mount Kit or Floor Mounted Projector stands, VGA, USB, HDMI cables in different length with an variety of projector types of LED, LCD & DLP Technology with prompt service call +919422277128 (Manoj)
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One stop solution for all your office automation products across Nashik, Dhule, Nandurbar, Jalgaon, Aurangabad, Ahmednagar Projectors LCD/DLP/LED Professional Displays Video Conferencing solutions ID Card Printers Screens Tripod/Wall mounted/Motorized Ceiling Mount Kits Digital Classroom setups Technical Consultancy visit us at www.avintegrators.co.in or walk in at Av Integrators Shop No-13, Shriram Sankul, Wakilwadi, Opp Hotel Panchavati, Nashik-422001(Maharashtra) 0253-2311128 , 9422277128 , 7768974040 E-Mail :- avintegrators@outlook.com
One Stop Shop for all Your Office Automation Needs like LCD Projectors, DLP Projectors, LED/Laser Projectors Large Format Displays , Professional Displays Video Conferencing Equipment's, Digital Classroom Setups Screens, Ceiling Mount Kit, Cables ID Card Printers etc Professional services across Khandesh region (Nashik, Dhule, Nandurbar & Jalgaon) Walk in at :- Av Integrators Shop No-13, Shriram Sankul, Opp Hotel Panchavati, Wakilwadi, Nashik-422001(Maharashtra) Email:-avintegrators@outlook.com visit us at www.avintegrators.co.in
Introducing the new product of Panasonic professional displays. high contrast. Wide expandability. Commercial LED Displays have propelled Business Efficiency, Retail Experience, Information Dissemination and Security Surveillance ... Browse Panasonic Professional Displays for a variety of LED screens, including 4K and Pro Displays Accessories. For more visit us at Av Integrators Shop no - 13 Shriram sankul opp hotel panchvati wakilwadi Nashik www.av.integrators.co.in 0253-2311128 9422277128 7768974040
SPECKTRON Interactive Digital Podiums Model: SDP600 All-in-one Interactive Multimedia Podium with Built-in Microphone (Wired/Goose neck & Wireless). Touch Control Panel for changing sources for Projector, Projector Power On/Off, Volume Control and Screen Control Switches. Details Call Manoj 9422277128
Introducing Crystal-Lite HD Its a Cloud-based service that provides browsers and mobile application with Real-time multimedia communication and data collaboration capabilities. Crystal-Lite HD has been optimized to work best on Chrome browser. Unlike conventional video conferencing and messenger software, Crystal-Lite HD does not require additional installation. The browser-based behavior in nature has made it environmentally friendly i.e. Crystal-Lite HD can be launched on any OS platform, and high quality video conferencing session can be done anytime, anywhere !! Full HD capabilities. Optimized for Chrome browser and mobile platform. No installation required. Optimized for low bandwidth environment. Single click conference. Connects up to 12 sides with good quality of video and audio. Multipoint instant messaging feature. High quality multipoint screen sharing. Secure i.e. Secure conference room lock with password. Secured and encrypted call set up. For Details call Manoj-9422277128
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