unic uc40 lcd panel free sample

Projectors are a great way of getting a massive screen for a fraction of the cost. But with projectors rapidly climbing into the thousands, a market of portable LED projectors have become available. The UNIC UC40 is an 800 lumen LED projector costing under $100.

The UC40 packs in HDMI input, a built-in media player that can play media from a variety of sources such as USB and SD cards, and an 800×480 pixel resolution.

It’s important to remember that the UC40 is a $100 projector and as such, it’s performance will not match those that are 10-100 times the price. Given this, I was pretty impressed.

You’ll probably notice the “UNIC” logo in the top right of the screen. It’s always there and there doesn’t seem to be a way of turning it off. It’s not overly noticeable but annoying nevertheless.

The built-in speaker is acceptable, but I didn’t exactly come into this expecting the tiny speaker to set the world on fire. It’s got enough volume to fill a small room but suffers the same problems as tablet speakers – sounding hollow and lacking bass. Thankfully, the UC40 has 3.5mm audio out so I was able to switch it to my OAXIS Bento which made for a much better experience.

The UNIC UC40 is a respectable projector given its sub-$100 price tag. There are some frustrating issues like the UNIC branding and the loud fan, but if you’ve got a dark room and an external speaker, you should be impressed. With it’s ability to play back media without anything connected and extensive connectivity options, it’s definitely worth the price of admission.

The UNIC UC40 Projector is a great projector for its price. With the right environment, the UC40 outputs a clear picture with decent sound. Being able to play your media without needing to hook anything up is a massive plus. Whilst the resolution and brightness is low relative to traditional home theatre projectors, remember you"re getting respectable performance at just over $100 - a fraction of the price of traditional projectors.

Projectors are a great way of getting a massive screen for a fraction of the cost. For under $100, the UNIC UC40 projector features HDMI input, built-in media playback from sources such as USB and SD cards, and an 800×480 pixel resolution.

One thing I couldn’t figure out is how to disable the tiny transparent “UNIC” branding in the top-right of the image. You do forget its there but it shouldn’t be there in the first place.

The built-in speaker is acceptable. There’s enough volume to fill a small room but they sound hollow and lack bass. However, using the UC40’s 3.5mm audio out, I was able to switch it to a more powerful external speaker which made for a much better experience.

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Hi to all. What about the "Unic UC-40", at 100€ (130$) ? it should be a 800 lumen, 800x480 pixels. I need a projector just for some indoor video mapping experiment, most of all I need just the white color.

An LCD projector is a type of video projector for displaying video, images or computer data on a screen or other flat surface. It is a modern equivalent of the slide projector or overhead projector. To display images, LCD (liquid-crystal display) projectors typically send light from a metal-halide lamp through a prism or series of dichroic filters that separates light to three polysilicon panels – one each for the red, green and blue components of the video signal. As polarized light passes through the panels (combination of polarizer, LCD panel and analyzer), individual pixels can be opened to allow light to pass or closed to block the light. The combination of open and closed pixels can produce a wide range of colors and shades in the projected image.

Because they use small lamps and the ability to project an image on any flat surface, LCD projectors tend to be smaller and more portable than some other types of projection systems. Even so, the best image quality is found using a blank white, grey, or black (which blocks reflected ambient light) surface, so dedicated projection screens are often used.

Early experiments with liquid crystals to generate a video image were done by John A. van Raalte at the RCA-Laboratories in 1968.CRT with a modified faceplate to generate a charge pattern on its surface. No practical application of this concept for projection purposes is known. However, a similar concept was used for print heads without an LCD.

The first experiments with a direct-driven, transmissive matrix-addressed LCD using a converted slide projector by Peter J. Wild working at Brown Boveri Research in Switzerland were conducted in 1971. A projector was shown in operation at the SID Conference 1972 in San Francisco.thin-film transistors) at the matrix intersections) were not capable of displaying images with sufficient resolution for video pictures, a combination of a fixed image together with an LCD matrix for the variable elements was proposed as an LC projector for certain control room applications,

A lot of effort went into optimizing thin-film transistors (TFT) suitable for active matrix-addressed (AM) LCDs. The concept was invented and early trials were conducted by teams at RCA and Westinghouse Electric. T Peter Brody left Westinghouse and founded Panelvision in 1981 to manufacture AM LCDs. Breakthroughs occurred elsewhere in new materials and thin-film structures, with Hitachi of Japan as a pioneering company. Such AM LCDs became commercially available in the early 1980s.

Gene Dolgoff had the idea of using LCDs as light valves in projectors. However, he had to wait until 1984 to get a digitally-addressable LCD matrix device with sufficient resolution and contrast, which is when he completed building his LCD video projector. After building it, he saw many problems that had to be corrected including major light losses and very noticeable pixels (sometimes referred to as the "screen-door effect"). He then invented new optical methods to create efficient and bright projectors and invented depixelization to reduce the screen-door effect.

At about the same time, the German company "Bonner Ingenieurbüro für Optoelektronik CrystalVision" started experimenting with LCD projection devices from 1985 onwards. Although traditional slide projectors already used infrared filters to reduce heating of the photographic slides, LCDs are much more sensitive to overheating. When the temperature in the nematic liquid crystal layer reaches the "clearing point" (i.e. enters the isotropic phase), the LC light valve does not work anymore until the temperature drops below again. Bernt Haastert, an engineer working at CrystalVision, found out, that placing the required polarizing filters at a certain distance on both sides of the LC cell allowed for efficient air cooling of the arrangement.

With patents filed worldwide (filing his first LCD video projector patent application in 1987), Dolgoff started Projectavision, Inc. in 1988, as one of the world"s first dedicated LCD-projector companies, which he took public on Nasdaq in 1990. He licensed the technology to other companies including Panasonic and Samsung. Early pioneers of LCD projection in Japan were Epson and Sharp,

Since 2005,Epson and Sony. Epson owns the technology and has branded it as "3LCD". To market 3LCD projector technology, Epson also set up a consortium called the "3LCD Group" in 2005 with other projector manufacturer licensees of 3LCD technology that use it in their projector models.

Early LCD systems were used with existing overhead projectors. The LCD system did not have a light source of its own: it was built on a large "plate" that sat on top of the projector in place of transparencies. This provided a stop-gap solution in the era when the computer was not yet a universal display medium, creating a market for LCD projectors before their current main use became popular.

This technology was employed in some sizes of rear-projection television consoles when there was a cost advantages in mid-size sets (40- to 50-inch diagonal). In 2014, 60-inch 1080p flat panel televisions were less costly than a projector with 1080p native resolution. Projection systems were typically marketed as offering a diagonal image size of 100 to 300 inches.

In 2004 and 2005, LCD front projection began a comeback with the introduction of the dynamic iris and other modifications that have improved perceived contrast to levels similar to DLP.

The basic design of an LCD projector is frequently used by hobbyists who build their own DIY (do-it-yourself) projection systems. The basic technique is to combine a high color-rendering index (CRI) high-intensity discharge lamp (HID lamp) and ballast with a condenser and collector Fresnel lens, an LCD removed from a common computer display and a triplet lens.

Fischetti, Mark (November 2007). "Two Technologies Shine". Two technologies – micromirrors and liquid-crystal displays (LCDs) – have been vying for these markets, but they are doing equally well in today"s home and business areas....