Large screen splicing application requirements of different types of products
Currently, mainstream large-screen splicing wall display technologies include three technologies: DLP rear projection splicing, LCD splicing and MPDP plasma splicing. The biggest bottom layer difference of these three technologies is that the display technology principle is completely different, but for the average customer, the biggest difference is reflected in the difference in seam control level: DLP rear projection can be controlled at a minimum of 0.1 mm, and the largest product No more than 1 mm; the seam of most MPDP products is 3 mm, high-end technology can achieve a seam of 1 mm, and the existing products of LCD technology can be controlled to a minimum of 5.3 mm.
With the increasing demands of customers in many industries such as transportation, energy, government defense, banking, securities, advertising, etc. on terminal display devices, various industries have different needs in terms of clarity, stitching, brightness, contrast, size, etc. Focus. As the application fields of large-screen splicing systems are becoming more and more extensive, the differences in application characteristics of various industries are becoming more and more obvious. For example, the processing and display of various monitored videos and data in coal mining and power industries are the most important. The demand for virtual simulation applications in the scientific research field is becoming stronger and stronger, while some systems emphasize the comprehensive use of information display and remote video.
Relatively speaking, the LCD panel can easily realize LCD splicing, the market is fully supplied, and the price is more competitive than the other two technical products, but due to the large patchwork between the screens, it affects the overall sense of the picture and is not suitable. Display a larger data graphic screen. The MPDP splicing screen will produce screen burning phenomenon if it displays static images for a long time, and this phenomenon will become more serious as the working time becomes longer. The DLP splicing display system can provide different configuration and size selection, resolution selection, seamless splicing design, flexible and diverse display modes, and mature industry user solutions.
Therefore, from the perspective of general application trends, it is used in military command centers, telecommunications monitoring centers, emergency command centers, traffic command systems, public security command systems, urban emergency linkage command systems, power / water conservancy dispatching, radio and television, power, telecommunications, In applications such as integrated traffic dispatching systems, due to the need to display finer text and image information, the integrity and completeness of image display are high. Users tend to prefer DLP seamless splicing technology; and the newly introduced 60-inch MPDP splicing screens within 3mm can also occupy a small part of the market. For small and medium-sized monitoring centers, video conferences, and commercial information displays that are mainly used for monitoring video signals, users will basically use LCD splicing screens with excellent color brightness, easy installation, and low cost. For the MPDP splicing screen, there are certain product technical advantages in meeting rooms, exhibition halls, shopping malls, stations, airports and many other places.
Whether it is between the two product camps of rear projection splicing and tablet splicing, or within the respective camps, the large-screen splicing market in 2011 still continues the competition and development in 2010. The addition of flat-panel display products with large size and smaller stitching will bring greater pressure to the rear projection splicing market, will further expand the market share of the flat-panel market, and form two major product camps to divide the large-screen splicing market. situation.
Although DLP manufacturers that once competed with flat panel splicing could not resist the market temptation to join the security monitoring field, and some strong LCD splicing manufacturers are also developing DLP splicing products to compensate for the lack of seamless splicing, but due to these two types of splicing markets Different user needs, different solutions, and different market resources have resulted in insufficient penetration of new fields by both parties, and new business growth is not high. This situation will not be greatly improved in the new year.
In terms of DLP splicing screens, manufacturers in the lineup will continue to resist the competition of flat panel splicing with colorful, ultra-long life, maintenance-free LED light sources and high-brightness, high-resolution, and larger-sized splicing units. The emergence of new and stronger processor technology will provide more and stronger support for the DLP large screen system solution. Relying on the advantages of technology, market, and brand that have accumulated over the years, the old and powerful manufacturers in the camp continue to control the DLP splicing market and firmly win the competition in some large splicing projects. And some small-scale manufacturers are fighting each other in some small and medium-sized projects, or gradually transferred to the flat panel splicing market.
In terms of large flat panel splicing screens, the new PDP splicing screen with a size of 60 inches and a stitching of 3 mm has appeared, which has attracted the favor of some DLP manufacturers. However, because of its high cost and inherent technical defects, it will not be used for high-end The splicing market has a big impact. The new 55-inch and 60-inch LCD splicing screens will be used by the stronger LCD splicing manufacturers to compete for the DLP splicing market; while the 40, 46, 47-inch and other specifications continue to expand the market share of LCD splicing.
In terms of DLP, the advantages of large size, small stitching, digital display, slow brightness attenuation, small pixel gaps, delicate images, suitable for displaying computers and static images for a long time are all important guarantees for DLP stitching in the industry. .
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