1. What is DID? What is the difference between ordinary LCD monitors?
DID is an abbreviation for seamless splicing. It is a new generation of LCD technology launched by Samsung Electronics in 2006. It is widely used in liquid crystal displays in various fields, such as security monitoring, information release, display systems and commercial leasing of display equipment. As its unique display technology, it differs from ordinary liquid crystal displays in that it improves the arrangement of liquid crystal molecules and can be placed in horizontal and vertical ceilings. High brightness, high definition (1080P), long life, stable operation and low maintenance cost.
2. What are the advantages of DID over DLP and PDP?
The size and weight of DLP rear projection technology are too large. The key technical indicators are much lower than that of liquid crystal and plasma. Long-term uninterrupted work will accelerate the aging of DLP rear projection bulbs. Because it only has a few thousand hours of life, if it runs 24 hours a day. The rear projection bulb needs to be replaced within a few months. Due to high power consumption and heat generation, plasma is not suitable for long-term display of static monitoring images, and it is severely burnt. After being used for splicing, the temperature rise of the whole machine is relatively high, which makes the equipment flammable. LCD is unique in flat panel display technology. Its thin thickness, light weight, low energy consumption, long life, no radiation, and excellent performance of various key performance indicators make it the mainstream of development and broad prospects.
3. Can DID LCD be seamlessly spliced?
Currently, the narrowest LCD panel is the 46-inch ultra-narrow DID LCD panel launched by Samsung in 2009. The upper frame is 2.4 inches wide, the lower frame is 4.3 inches wide, and the theoretical seam is 6.7 inches in theory. The actual physical seams can be minimized. Do 7.3. At present, the seamless LCD splicing screen on the market refers to a 7.3-inch DID LCD splicing screen.
4. What is LED backlight and how is it different from traditional CCFL backlight?
The liquid crystal material itself does not emit light, and the light source on the back of the liquid crystal panel needs to provide light support. The LED backlight replaces the traditional CCFL backlight with LEDs (Light Emitting Diodes, usually white). It is divided into two types: dot matrix (also called direct type) and side light type. The LED-backlit LCD screen has a wider color gamut, higher brightness and longer service life than traditional CCFL screens, and is more environmentally friendly.
5. What is Full HD Almighty? How to judge whether the LCD screen has high-definition full high-definition display function?
FULLHD is the abbreviation of FuHighDefi1/2iti 1/2. A full HD monitor is a monitor that can display 1920×1080 pixels or 1920*1080. HD is the abbreviation of HighDefi1/2iti 1/2. According to the "Digital TV Receiving Equipment/Monitoring Standards" formulated by the Ministry of Information Industry, high-definition TVs can be considered to have more than 720 TV lines in horizontal and vertical resolution. FULLHD is currently the top high-definition format. The horizontal and vertical resolution must be higher than 1080P, and the physical resolution is 1920×1080. It can fully display the top high-definition picture quality of 6.22 million pixels. Therefore, there is a fundamental difference between the two in terms of screen display clarity.
6. Which LCD screens can be used directly outdoors?
In addition to high brightness and clear display under high light conditions, LCD screens used in outdoor environments must have special temperature and humidity control functions that can adapt to outdoor temperature and humidity in different seasons and times. And it is designed with functions such as windproof, rainproof, dustproof, scratch-proof, explosion-proof, ultraviolet-proof, etc. It can still be unattended and safe and stable in harsh outdoor environments.
7. What is the seam of the LCD splicing screen? Can any number be spliced?
LCD splicing screens of different specifications have different splicing gaps. At present, the narrowest physical splicing gap is 7.3ˆˆ, and the unit size is 46 inches. The number of rows and columns can be selected according to the required display area, and any number of splicing can be performed.
8. What is a splicing controller? How to determine whether the splicing screen system needs to be equipped with a splicing controller?
The LCD splicing unit has a built-in splicing control board and supports RS232 serial port protocol. Direct splicing can realize single-screen display, multi-screen display, arbitrary combination display, image stretch, image overlay and other display modes through software without external installation. Splicing processor. An external splicing controller is only needed when special functions such as image roaming and arbitrary drag and drop of images are needed.
9. What are the installation methods for splicing screens?
Common splicing screen installation methods include embedded, wall-mounted, ceiling-mounted and floor-mounted.
