What is the difference between DLP and LED

First, the subject is different.

1. LED large screen: It is a flat panel display, which is composed of small LED module panels.

2. DLP large screen: large screen in intuitive color TV or rear projection projection TV.

Second, the characteristics are different.

1. LED large screen: set microelectronics technology and computer technology.

Information processing in one, with vivid colors and dynamic range.

It has the advantages of wide range, high brightness, long life, stable and reliable work.

2. DLP large screen: When the temperature is very low, it will affect the normal use of outdoor large screens, generally below minus 30 degrees Celsius.

In the case, it is recommended to temporarily discontinue use.

Third, the application is different.

1. LED large screen: widely used in commercial media, cultural performance market, stadiums, information dissemination, news releases, transactions, etc., which can meet the needs of different environments.

2. DLP large screen: widely used in communications, electric power, and military command institutions, and plays an important role in providing shared information, decision support, and situation display.

DLP, Digital Light Procession, digital light processing, is based on the digital micromirror element developed by TI (Texas Instruments) - DMD (Digital Micromirror Device) to complete the visual digital information display technology. To be more specific, DLP projection technology uses digital micromirror chips (DMDs) as the main key processing elements to achieve digital optical processing.

LCD, LCD LCD projector is the product of the combination of liquid crystal display technology and projection technology, which uses the electro-optical effect of liquid crystal to control the transmittance and reflectivity of the liquid crystal unit through the circuit, so as to produce beautiful images with different gray levels and up to 1670 million colors. The main imaging device of an LCD projector is a liquid crystal panel.

LED, generally only refers to the light source of the projector is LED light source, the brightness is not high, within 500 lumens.

The difference between DLP and LED is mostly in the field of projection. It's on the top, DLP is a technology for current projection, LED is only the light source of the projector, and the LED projector is mostly DLP technology projector, but most of the DLP projectors currently used are not LED light sources.

trx8060l7s

DLP rear-projection display unit (LED light source).

1920 x 1080 physical resolution.

OSRAM LED array light source.

Intelligent color adjustments.

Smart brightness adjustment.

Green and environmentally friendly. Multi-signal input backup.

Built-in multiviewer function.

Digital geometry adjustments.

A screen that fits the environment.

It can support ultra-slim front maintenance.

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First, the application is different

1. DLP technology: used in electronic engineering.

2. LCD technology: it is liquid crystal display technology and projection technology.

Second, the working principle is different.

1. DLP technology: The core of every DLP projection system is an optical semiconductor, that is, a digital microscope device or DLP chip, which was invented by Dr. Larry Hornbeck of Texas Instruments in 1987.

2. LCD technology: The principle of liquid crystal display is that liquid crystals will show different optical characteristics under the action of different voltages. Liquid crystals are physically divided into two categories, one is passive, this kind of liquid crystal itself does not emit light, and needs an external light source.

The other type has a power supply, mainly TFT. Each liquid crystal is actually just a transistor that can emit light, so it is not strictly a liquid crystal.

1. The working principle is different:

The LCD is emitted by the light source through the lamp bowl to form a parallel light, which is emitted into the single-light condenser lens and the second group of polarized light conversion lenses, which are divided by the beamsplitter into the RGB three liquid crystal panels, and then the three kinds of light are gathered by the integrated prism, and finally projected on the screen.

DLP technology is the light source on the lens to get the usable parallel light, the parallel light through the color wheel to get a uniform rectangular spot, and then by the DLP projection technology core component DMD processing, and finally the light on the projection lens, through the lens to get the required projection.

2. Different technical characteristics:

One of the advantages of DLP display boards over LCD projection technology is that they have extremely fast response times and can turn individual pixels on and off many times when displaying a single image.

Compared with DLP projectors, LCD projectors have greater advantages in color contrast and color uniformity because they separate the three colors of red, green and blue, and are more complete than DLP in imaging.

3. The market is different

There is no difference between LCD projection technology and DLP projection technology in the low-end market, and it can be said that it is comparable. In terms of volume, the DLP chip is lighter and smaller, which is suitable for use in micro projectors. In terms of color, the color performance of 3LCD projection technology is better.