The phrase "laser television" sounds technological and modern. However, few people know that the development of such TV receivers has been going on since the 70s of the last century. Due to the high cost of creating samples and the impossibility of their commercial use, the project was stopped.
There are already televisions that use unusual laser technology. According to technical parameters, such models can be attributed to projection ones. They use a laser as a light source.
In this article, we will talk about laser technologies in television, and also make a small overview of laser TVs that are widely available and their main characteristics.
Attractiveness and benefits
To understand the full potential of such television models, let's compare the most popular plasma and LCD panels today with laser TVs and highlight the fundamental characteristics of the latter.
- High energy efficiency is a laser technology in itselfallows you to reduce the power consumption of the TV by up to five times compared to LCD-analogues.
- High brightness levels - for laser screens they exceed the capabilities of traditional panels by several times.
- Widest color gamut. With its unique purity, primary color laser beams produce an astounding amount of color shades that are approximately 1.8 times the capabilities of traditional technologies.
- Natural black color is created simply by turning off the laser. The resulting deep black color has no afterglow, no side flare, no grayscale.
- Screen durability - pixels on a laser TV screen do not degrade or burn out, as can happen with flat panel counterparts.
- High resolution - the screens of television receivers, which are created using laser technology, are originally designed for Full HD format.
- Critical viewing angles - this concept for laser models, according to the developers, is not relevant, since the image quality on the screen practically does not change even at the sharpest viewing angles. The same cannot be said for traditional panels.
Laser in TV
As mentioned above, laser TVs work very similar to projection TVs, of which there are two types: front projection and rear projection. The laser model is a rear projection TV.
The use of technology has made it possible to greatly simplify the design of the device and get rid offrom many details that increase its weight and size. These are color filters, a color wheel, various polarizers, special radiation filters, movable mirrors, additional optical devices. The need for filtering and dividing the beam of light from the lamp into different colors has completely disappeared. The desired colors of the laser beams can be safely projected onto the panel.
After eliminating unnecessary components, the TV is more compact and lighter. Power consumption has decreased while image brightness and color reproduction have improved.
Mitsubishi Laser TV
Model L75-A96 from a leading manufacturer has improved parameters compared to its predecessor. This 3D TV features motion processing, unparalleled color reproduction and a depth of 3D immersion unmatched by any other LCD TV in existence today.
By connecting an external 3D emitter, the zone of presence for a large number of spectators has expanded. The new generation power supply system makes the device as energy efficient as possible. And the combination of a new screen material, SUPER GREEN technology and Mitsubishi's exclusive six-color processor made the picture even more realistic and richer.
Thus, this model has become an excellent basis for the highest class 3D home theater.
Mystery MTV-2430LTA2
This laser TV will give you exceptional quality and vivid picture,allowing you to get the most out of your viewing experience.
This device runs on the Android operating system, which has turned it into a real multimedia giant, without the need to purchase additional devices and players.
Analogue tuner and digital tuner with DVB-T, T2 support for watching TV.
You can connect various devices to your TV with Component, Composite, HDMI, AUX, VGA, USB and headphone output. The device will perfectly fit into any interior.
Mi Laser Projector
This laser TV from Xiaomi is announced by the manufacturer as a device for home use with an ultra-short focal length. The projector displays Full HD resolution images up to 150 inches diagonally up to 50 cm from a wall or screen. At the same time, thanks to the built-in settings function, manual focusing is not required. The manufacturer declared a resource at the level of 25 thousand hours, which is equivalent to 34 years of operation with daily two-hour operation.
Two full-range and two high-definition tweeters provide a built-in speaker system. Three types of external audio connections are supported.
This new product comes with its own remote control with a built-in laser pointer for the TV, which supports Xiaomi's universal remote control app.
100-inch 4K Laser TV
Introduced in 2017 by Hisense, the laser TV is technically a projector that projects an image onto a huge 2.5 meter screen. This uses a laser source with a lifetime of 20,000 hours and a luminous flux of 3,000 lumens. Provides a wide color range and high brightness levels.
A 110W Harman Kardon audio system is responsible for the sound. It includes two satellites and a subwoofer. The transmission takes place over the radio. Of course, there is a smart interface with Netflix, YouTube, Pandora and Amazon Video apps, as well as a built-in TV tuner.
New LG HECTO
The 100-inch LG HECTO Laser TV is a new product from a well-known company, presented as a laser projection TV.
The model is a fairly complex hybrid device, namely, a unique type of short-throw laser projector for today. The customer is offered a kit consisting of a 100-inch anti-glare screen with a thin frame and a compact projection unit that is placed at a distance of 56 cm from the display in any convenient place.
The projection unit includes 42 sets of laser diodes and delivers a rich, bright, full HD image without blur.
Conclusions
After listing a sufficient number of advantages of laser TVs, it is necessary to dwell on their disadvantages. And the mainof which one can still name a relatively high cost. Also, many buyers name such disadvantages as large dimensions and increased eye fatigue during prolonged viewing.
Ophthalmologists say that eye fatigue is directly related to the projected image of such a TV at the maximum levels for human perception.
