Application and Technical Requirements of LED Full Color Display
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The market demand for LED full-color large screens is showing a rapid upward trend. Just after the Spring Festival, large projects began to invite bids. Another feature is that the projects invested by enterprises have increased significantly, and these projects include the application in commercial advertising. It can be said that, as a commercial advertising medium, LED large screens are once again favored by the advertising industry after being silent for nearly ten years. At the same time, the export situation of full-color screens is also encouraging.
1. Image project: aiming at the world-class level
Image project means that the main purpose of building a large screen is to add style to the city or a certain major event. It does not directly create economic benefits, but it can enhance the city's popularity, shape the city's image, improve the investment environment, create a business atmosphere, and benefit the economy. The development has good social benefits, thus creating economic benefits indirectly. Image projects are mainly government investment, focusing on social benefits, rather than or mainly not through commercial operations to obtain economic benefits. In recent years, the LED large screens in large squares in urban centers or public leisure squares built in many places across the country are typical image projects. A large number of LED display screens in sports venues, which are necessary supporting facilities for modern sports venues, also belong to this category.
2 Commercials: Striving for the Best Performance-Price Ratio
The most striking and encouraging thing is that a new wave of full-color large screens for commercial advertisements is emerging, which is both a requirement of economic development and a result of technological progress.
Business operations focus on economic benefits. As an advertising medium, it must be able to attract the audience's attention and be recognized by advertisers. In a word, it must be that large-screen manufacturers, advertising operators, and advertisers all benefit from it. Among all kinds of advertising media, the advantage of the large screen is that it changes quickly and is bright and eye-catching.
(1) Function: The purpose of advertising is to publicize, attract eyeballs, and create a deep impression on the audience. Exquisite pictures are important, and good results can also be achieved through various means of creativity and changes. The changes of neon lights are very limited, and the LED large screen has more expressions than neon lights, which is enough for advertising purposes. Large screens are divided into two types: synchronous screens and asynchronous screens. The synchronous screen is like a computer monitor, with many changes and full functions. It needs a computer and communication to run all the time. The asynchronous screen is controlled by a single-chip microcomputer or an embedded system, and the displayed content is written once until the next update. High-end processors can also achieve grayscale and video effects. In many cases, asynchronous screens are more suitable for advertisements and information that change slowly.
Simple single-chip microcomputers or small embedded systems have low processing power, and they will also be lower in terms of gray levels and refresh speeds displayed. But it still has enough ability to express various changes of text, animation and picture.
(2) Brightness: Under the condition of direct sunlight outdoors, the brightness of 5000CD is required, and about 1000CD indoors is enough, and there are semi-outdoors in between. These are the consensus of the industry.
(3) Resolution: The resolution or resolution depends on the pixel density. In the cost of the display screen, the cost of the pixel accounts for more than half. Therefore, reducing the cost of pixels is the most attractive, and pixel splitting technology or dynamic pixel technology is a commonly used method. Dynamic pixel technology is not a new technology, and it has been used for at least ten years. It increases the visual resolution several times by sharing the composition of pixels.
Huapuxin 80mm Flexible LED Mesh Display display has reasonable brightness design and moderate price, which is suitable for the majority of customers.
(4) Reliability and lifespan: Regarding reliability, it has been discussed before, and here we will talk about lifespan. Life refers to the time when the system cannot recover to the specified technical indicators. It is related to reliability, but it is not the same concept. The life of the large screen mainly depends on the life of the luminous tube. The life of the luminous tube refers to the time when the light intensity of the luminous tube drops to half of the nominal value. Long-life light-emitting tubes, like military supplies in electronic devices, are much more expensive. The attenuation of the light intensity of the luminous tube is closely related to the quality of the tube, the working current and the working environment. Even if it is a famous brand long-life tube, if the working condition is not appropriate, the life will be shortened, which is related to the cost. Almost all manufacturers regard the life of the light-emitting tube as the life of the large screen, which is actually wrong. How long the life of the large screen should be is also a question of cost performance. There is an optimal ratio for calculating the investment and return of commercial operation screens. In most cases, requiring a lifetime of 100,000 hours is not only unrealistic, but also unnecessary.
(5) Other technical indicators, such as gray scale, refresh frequency and dynamic range, etc.: For commercial advertising screens, the data bandwidth should be selected from the perspective of cost performance, so I won’t say much here. Some people divide large screens into four levels: broadcast level, professional level, multimedia level, and simple level. It is more scientific to divide them in terms of functions and video effects. The most suitable large screen should be selected according to the actual application requirements and investment level. For image projects, use broadcast or professional grade, for commercial advertisements, mainly for multimedia grade, and for simple text and graphics, simple grade can be used.
1. Image project: aiming at the world-class level
Image project means that the main purpose of building a large screen is to add style to the city or a certain major event. It does not directly create economic benefits, but it can enhance the city's popularity, shape the city's image, improve the investment environment, create a business atmosphere, and benefit the economy. The development has good social benefits, thus creating economic benefits indirectly. Image projects are mainly government investment, focusing on social benefits, rather than or mainly not through commercial operations to obtain economic benefits. In recent years, the LED large screens in large squares in urban centers or public leisure squares built in many places across the country are typical image projects. A large number of LED display screens in sports venues, which are necessary supporting facilities for modern sports venues, also belong to this category.
2 Commercials: Striving for the Best Performance-Price Ratio
The most striking and encouraging thing is that a new wave of full-color large screens for commercial advertisements is emerging, which is both a requirement of economic development and a result of technological progress.
Business operations focus on economic benefits. As an advertising medium, it must be able to attract the audience's attention and be recognized by advertisers. In a word, it must be that large-screen manufacturers, advertising operators, and advertisers all benefit from it. Among all kinds of advertising media, the advantage of the large screen is that it changes quickly and is bright and eye-catching.
(1) Function: The purpose of advertising is to publicize, attract eyeballs, and create a deep impression on the audience. Exquisite pictures are important, and good results can also be achieved through various means of creativity and changes. The changes of neon lights are very limited, and the LED large screen has more expressions than neon lights, which is enough for advertising purposes. Large screens are divided into two types: synchronous screens and asynchronous screens. The synchronous screen is like a computer monitor, with many changes and full functions. It needs a computer and communication to run all the time. The asynchronous screen is controlled by a single-chip microcomputer or an embedded system, and the displayed content is written once until the next update. High-end processors can also achieve grayscale and video effects. In many cases, asynchronous screens are more suitable for advertisements and information that change slowly.
Simple single-chip microcomputers or small embedded systems have low processing power, and they will also be lower in terms of gray levels and refresh speeds displayed. But it still has enough ability to express various changes of text, animation and picture.
(2) Brightness: Under the condition of direct sunlight outdoors, the brightness of 5000CD is required, and about 1000CD indoors is enough, and there are semi-outdoors in between. These are the consensus of the industry.
(3) Resolution: The resolution or resolution depends on the pixel density. In the cost of the display screen, the cost of the pixel accounts for more than half. Therefore, reducing the cost of pixels is the most attractive, and pixel splitting technology or dynamic pixel technology is a commonly used method. Dynamic pixel technology is not a new technology, and it has been used for at least ten years. It increases the visual resolution several times by sharing the composition of pixels.
Huapuxin 80mm Flexible LED Mesh Display display has reasonable brightness design and moderate price, which is suitable for the majority of customers.
(4) Reliability and lifespan: Regarding reliability, it has been discussed before, and here we will talk about lifespan. Life refers to the time when the system cannot recover to the specified technical indicators. It is related to reliability, but it is not the same concept. The life of the large screen mainly depends on the life of the luminous tube. The life of the luminous tube refers to the time when the light intensity of the luminous tube drops to half of the nominal value. Long-life light-emitting tubes, like military supplies in electronic devices, are much more expensive. The attenuation of the light intensity of the luminous tube is closely related to the quality of the tube, the working current and the working environment. Even if it is a famous brand long-life tube, if the working condition is not appropriate, the life will be shortened, which is related to the cost. Almost all manufacturers regard the life of the light-emitting tube as the life of the large screen, which is actually wrong. How long the life of the large screen should be is also a question of cost performance. There is an optimal ratio for calculating the investment and return of commercial operation screens. In most cases, requiring a lifetime of 100,000 hours is not only unrealistic, but also unnecessary.
(5) Other technical indicators, such as gray scale, refresh frequency and dynamic range, etc.: For commercial advertising screens, the data bandwidth should be selected from the perspective of cost performance, so I won’t say much here. Some people divide large screens into four levels: broadcast level, professional level, multimedia level, and simple level. It is more scientific to divide them in terms of functions and video effects. The most suitable large screen should be selected according to the actual application requirements and investment level. For image projects, use broadcast or professional grade, for commercial advertisements, mainly for multimedia grade, and for simple text and graphics, simple grade can be used.
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