{"id":5939,"date":"2024-07-31T10:12:13","date_gmt":"2024-07-31T10:12:13","guid":{"rendered":"https:\/\/livesound.in.ua\/ru\/?p=5939"},"modified":"2024-08-02T13:49:03","modified_gmt":"2024-08-02T13:49:03","slug":"yake-obladnannya-dlya-provedennya-korporatyvu-mozhna-orenduvaty","status":"publish","type":"post","link":"https:\/\/livesound.in.ua\/en\/yake-obladnannya-dlya-provedennya-korporatyvu-mozhna-orenduvaty\/","title":{"rendered":"LED screen &#8211; what is it and how does a LED screen work"},"content":{"rendered":"<p>[vc_row][vc_column]<style>.ld_fancy_heading_6a3d41bdba710 .lqd-highlight-inner{height:0.275em!important;bottom:0px!important;}<\/style><div class=\"ld-fancy-heading ld_fancy_heading_6a3d41bdba710\">\n\t<div class=\"ld-fh-element lqd-highlight-underline lqd-highlight-grow-left text-decoration-default\"   >  LED screen is called a device that displays and broadcasts visual information. Among the positive aspects of LED monitors stand out:<\/p>\n<ul>\n<li>high brightness and contrast;<\/li>\n<li>large screen area;<\/li>\n<li>repairability LED screen;<\/li>\n<li>operability at a wide range of temperatures.<\/li>\n<\/ul>\n<p>The display can be mounted indoors and outdoors. It can withstand temperatures from -40 to +70 \u00b0C.<\/p>\n<h2>LED display &#8211; what it is. How does the LED display<\/h2>\n<p>LED display for broadcasting video content functions through semiconductor LEDs that conduct current. As a result, pixels are formed in the matrix (control board). The resolution of an LED screen refers to the pixel density, which affects the final picture quality.<\/p>\n<h2>LED or LCD screen technology what is better<\/h2>\n<p>LED technology is considered to be more advanced. It provides better illumination to LCD screens. Among the advantages of LED over LCD are:<\/p>\n<ul>\n<li>reduced electrical power consumption. In the circuit is a current limiter without additional converters;<\/li>\n<li>long service life. They serve about 50 thousand hours. You can replace individual LED strips. Do not need to spend a lot of money on repairs;<\/li>\n<li>miniature size. Provide a lightweight &#8220;flat&#8221; display;<\/li>\n<li>quality color rendering. LED allows you to evenly distribute the backlight on the monitor. You get a picture of the desired saturation.<\/li>\n<\/ul>\n<p>We have prepared a detailed article on what is the difference between LCD video wall and LED LED LED screen.<\/p>\n<h2>Which backlight is better screen LED or lamp<\/h2>\n<p>.<\/p>\n<p>Experts favor LED backlighting. Lamp CCFL technology requires inverter power, increases power consumption and reduces image quality. LED backlit matrices do not have a high voltage cable. They are very lightweight and thin. More information about types of LEDs their parameters and markings.<\/p>\n<h2>Pixel in the LED screen<\/h2>\n<p>Pixel &#8211; the minimum element of the screen in the form of a light point. It emits light. Several pixels form videos and images on screens. When you zoom in on the picture, you can see fragments-squares. These are the pixels on the LED display device.<\/p>\n<h2>Pixel pitch LED screen &#8211; what is it<\/h2>\n<p>Pixel pitch is the distance between the central parts of the nearest pixels to each other. The smaller this figure, the higher the quality of the image on the LED monitor. According to the pixel pitch can be calculated the minimum distance to the screen when using. In particular, if the pitch corresponds to 10 mm, then the minimum distance is 17 m. Being too close to the screen deteriorates the quality of the image, which becomes blurred and difficult to perceive.<\/p>\n<h2>Refresh rate of the LED screen<\/h2>\n<p>The standard refresh rate is 300 Hz. It means the flicker rate of the picture. In televisions, this indicator is maintained at the level of 50-60 Hz. Increased refresh rate is characteristic of large panels that are installed in stadiums, squares, concert halls. These monitors have a frequency of 800 Hz.<\/p>\n<h2>The viewing angle of the LED screen<\/h2>\n<p>The viewing angle of the screen is the angle at which the brightness of the screen is reduced by a factor of 2 compared to the brightness figures when viewed at a right angle. The viewing angle of a monitor is typically between 100 and 160 degrees.<\/p>\n<h2>Types of backlighting of the laptop screen<\/h2>\n<p>There are two main types of backlighting:<\/p>\n<ul>\n<li>CCFL fluorescent lamps with cold cathode. These are daylight lamps with reduced dimensions. On the inner surface is a layer of phosphor, and inside is an inert gas with mercury vapor. CCFL technology is significantly inferior to LED. Only 10% of manufacturers choose the fluorescent variant. CCFL with a high frequency of operation are used in 3D displays. The lamps lose brightness over time.<\/li>\n<li>LEDs LED. This is the most popular and safe option for backlighting, which is preferred by 90% of manufacturers of digital equipment. Provides maximum color accuracy. However, to realize the technology requires increased costs compared to CCFL. LEDs retain their original brightness for a long period of time.<\/li>\n<\/ul>\n<h2>Laptop screen LED backlighting &#8211; what is it<\/h2>\n<p>.<\/p>\n<p>LED backlighting is an innovative LED matrix that does not require a high cable from the lamp to the voltage inverter. The matrix has only a single loop on the matrix. Using LED backlighting reduces power consumption by 50%. Lifetime is increased by 60% compared to older screen lighting technologies.<\/p>\n<p>LEDs do not lose their original brightness throughout the life of digital equipment. This ensures uniform backlighting of the monitor and accurate reproduction of color tones.<\/p>\n<h2>How to turn on the LED backlight of the laptop screen<\/h2>\n<p>Disabling the backlight is usually caused by malfunctions in the operation of digital equipment. Often such breakdowns occur after 2-3 years after active use of the laptop. Let&#8217;s name the popular reasons that cause the backlight to turn off:<\/p>\n<ul>\n<li>breakdown of the inverter for voltage conversion;<\/li>\n<li>burned out backlight lamp of the laptop matrix;<\/li>\n<li>no power on the inverter;<\/li>\n<li>the power supply circuit is burned out;<\/li>\n<li>the integrity of the cable is broken.<\/li>\n<\/ul>\n<p>To eliminate the breakdown and turn on the LED screen backlight, you need to contact a service center for professional repair.<\/p>\n<h2>How to customize LED (LED) screen<\/h2>\n<p>Customization includes a competent connection to the power supply. At this time, the indicator lamp lights up red. The transmission card is connected to the PC. The DVI cable is connected to the video card. The computer is connected to the cable through a special connector. Both indicators (green and red) on the transfer card light up. Next, the software is installed.<\/p>\n<h2>Calibration of the LED screen<\/h2>\n<p>Calibration of LED screens is a detailed software adjustment of all elements of the system. These actions are performed in the following situations:<\/p>\n<ul>\n<li>when assembling a new screen;<\/li>\n<li>after replacement of parts or repair;<\/li>\n<li>after a long downtime of the equipment;<\/li>\n<li>at the end of the expiration date specified by the manufacturer;<\/li>\n<li>after exposure to vibration, weather, physical damage;<\/li>\n<li>in high humidity;<\/li>\n<li>when color rendering deteriorates.<\/li>\n<\/ul>\n<h2>What to wipe the screen of LED TV<\/h2>\n<p>LED monitors are sensitive to the action of aggressive detergents. LED format screens are cleaned with wipes impregnated with special solutions. The composition should not contain alcohol and abrasive substances.<\/p>\n<p>We have prepared a detailed article on the device and the principle of operation of LED TV.<\/p>\n<p>We tell you how the LED screen works.<\/p>\n<h2>What to wipe the LED screen of a laptop<\/h2>\n<p>LED display is recommended to wipe with paper or textile wipes. You can use special cleaners designed for digital equipment. It is not allowed to carry out wet treatment with alcohol solutions or abrasive substances.<br \/>\n<\/div><\/div>[\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][\/vc_column][\/vc_row]<\/p>\n","protected":false},"author":1,"featured_media":6108,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[187],"tags":[],"class_list":["post-5939","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bez-kategoriyi-uk"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/posts\/5939"}],"collection":[{"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/comments?post=5939"}],"version-history":[{"count":0,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/posts\/5939\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/media\/6108"}],"wp:attachment":[{"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/media?parent=5939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/categories?post=5939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/livesound.in.ua\/en\/wp-json\/wp\/v2\/tags?post=5939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}