{"id":21438,"date":"2023-01-12T03:16:37","date_gmt":"2023-01-12T03:16:37","guid":{"rendered":"https:\/\/ledcoms.com\/?p=21438"},"modified":"2026-07-14T07:44:41","modified_gmt":"2026-07-14T07:44:41","slug":"micro-pitch-led-display-technology-analysis","status":"publish","type":"post","link":"https:\/\/ledcoms.com\/pt_pt\/micro-pitch-led-display-technology-analysis\/","title":{"rendered":"Micro-pitch LED display technology analysis"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"21438\" class=\"elementor elementor-21438\" data-elementor-settings=\"{&quot;ha_cmc_init_switcher&quot;:&quot;no&quot;}\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-588d586 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no\" data-id=\"588d586\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2351cc6\" data-id=\"2351cc6\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3500f09 elementor-widget elementor-widget-spacer\" data-id=\"3500f09\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-055a53d elementor-widget elementor-widget-heading\" data-id=\"055a53d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Micro-pitch LED display technology analysis<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-dd397e1 elementor-widget elementor-widget-text-editor\" data-id=\"dd397e1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><b>1. Packaging technology:<\/b><\/p><p>Display screens with a density above P2 generally use 1515, 2020, 3528 lights, and the LED pin shape adopts J or L packaging. If the pin is welded sideways, the welding area will reflect light, and the ink color effect will be poor. It is necessary to add a mask to improve the contrast. If the density is further increased, the L or J package cannot meet the application requirements, and the QFN package must be used. The feature of this process is that there are no lateral welding pins, and there is no reflection in the welding area, which makes the color rendering effect very good. In addition, the all-black integrated design is used for compression molding, and the contrast ratio of the screen is increased by 50%, and the image quality of the display application is better than that of the previous display.<\/p><p><b>2. Mounting technology:<\/b><\/p><p>The slight deviation of the position of each RGB device of the micro-pitch display will lead to uneven display of the screen, which will inevitably require higher precision of the placement equipment.<\/p><p><iframe class=\"lazyload\" data-src=\"https:\/\/www.youtube.com\/embed\/2jmllZzKles?feature=oembed\" title=\"Indoor Immersive LED Display | LED video wall\" width=\"800\" height=\"450\"  frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p><p><b>3. Welding process:<\/b><\/p><p>Excessive temperature rise in reflow soldering will lead to uneven wetting, which will inevitably lead to device offset during the process of wetting imbalance. Excessive wind circulation can also cause device displacement. Try to choose a reflow soldering machine with a temperature zone above 12, chain speed, temperature rise, circulating wind, etc. as strict control items, that is, to meet the welding reliability requirements, and to reduce or avoid device displacement, and try to control it within the required range. Generally, the range of 2% of the pixel pitch is used as the control value.<\/p><p><b>4. Printed circuit board process:<\/b><\/p><p>With the development trend of micro-pitch display screens, 4-layer and 6-layer boards are adopted, printed circuit boards will adopt micro-via and buried hole designs, printed circuit graphics wires are thin, micro-holes are narrowed, and the processing uses Mechanical drilling technology can no longer meet the requirements, and the rapidly developing laser drilling technology will meet the requirements of micro-hole processing.<\/p><p><b>5. Printing technology:<\/b><\/p><p>Too much or too little amount of solder paste and printing offset directly affect the welding quality of the micro-pitch display lamp. The correct PCB pad design needs to be implemented in the design after communicating with the manufacturer. Whether the opening size of the stencil and the printing parameters are correct or not is directly related to the amount of solder paste printed. Generally, 2020RGB devices use an electropolished laser steel mesh with a thickness of 0.1-0.12mm, and devices below 1010RGB are recommended to use a steel mesh with a thickness of 1.0-0.8. Thickness, opening size increases proportionally to tin amount. The quality of micro-pitch LED soldering is closely related to solder paste printing, and the use of printing machines with functions such as thickness detection and SPC analysis will play an important role in reliability.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1024x667.png\" class=\"aligncenter size-large wp-image-21441 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"\" width=\"800\" height=\"521\" \/><noscript><img data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1024x667.png\" data-srcset=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1024x667.png 1024w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-300x195.png 300w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-768x500.png 768w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1536x1000.png 1536w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-18x12.png 18w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom.png 1718w\" decoding=\"async\" class=\"aligncenter size-large wp-image-21441 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt=\"\" width=\"800\" height=\"521\"  sizes=\"(max-width: 800px) 100vw, 800px\" \/><noscript><img decoding=\"async\" class=\"aligncenter size-large wp-image-21441\" src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1024x667.png\" alt=\"\" width=\"800\" height=\"521\" srcset=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1024x667.png 1024w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-300x195.png 300w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-768x500.png 768w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-1536x1000.png 1536w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom-18x12.png 18w, https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/01\/Fine-pitch-LED-video-wall-in-corporate-showroom.png 1718w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/noscript><\/noscript><\/p><p><b>6. Screen assembly:<\/b><\/p><p>The assembled cabinet needs to be assembled into a screen before it can display refined pictures and videos. However, the size tolerance of the box itself and the cumulative assembly tolerance cannot be ignored for the assembly effect of the micro-pitch display. If the pixel pitch of the nearest device between the cabinets is too large or too small, dark lines and bright lines will be displayed. The problem of dark lines and bright lines is a difficult problem that cannot be ignored in micro-pitch display screens and needs to be solved urgently. Some companies make adjustments by pasting 3m adhesive tape and finely adjusting nuts on the cabinet to achieve the best results.<\/p><p><b>7. Box assembly:<\/b><\/p><p>The box body is spliced by different modules, and the flatness of the box body and the gap between the modules directly affect the overall effect of the box body after assembly. Aluminum plate processing boxes and cast aluminum boxes are widely used box types at present, and the flatness can reach within 10 wires. The splicing gap between modules is evaluated by the distance between the nearest pixels of the two modules. If the two pixels are too close to each other, they will be bright Lines, two pixels too far will result in dark lines. Before assembling, it is necessary to measure and calculate the seam of the module, and then select a metal sheet of relative thickness as a jig and insert it in advance for assembly.<\/p><p><b>8. System card selection:<\/b><\/p><p>The bright and dark lines and uniformity and color difference of the micro-pitch display are the accumulated criticisms of LED device differences, IC current differences, circuit design layout differences, and assembly differences. Some system card companies can reduce bright and dark lines and brightness and chromaticity differences through software correction all. The high-performance system card is selected to correct the brightness and chromaticity of the micro-pitch LED display, so that the display can achieve better brightness and chromaticity uniformity, and a better display effect has been achieved.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-34727c8 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"34727c8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-1cffd7e elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no\" data-id=\"1cffd7e\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-5adf0c7\" data-id=\"5adf0c7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e08343 elementor-widget elementor-widget-image\" data-id=\"2e08343\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/pt_pt\/tela-led-interna-de-alta-definicao\/\">\n\t\t\t\t\t\t\t<img class=\"lazyload\" data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/06\/High-definition-LED-displays.webp\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" title=\"High-definition-LED-displays\" alt=\"High-definition-LED-displays\" loading=\"lazy\" \/><noscript><img decoding=\"async\" src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2023\/06\/High-definition-LED-displays.webp\" title=\"High-definition-LED-displays\" alt=\"High-definition-LED-displays\" loading=\"lazy\"><\/noscript>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">DISPLAY LED INTERNO DE ALTA DEFINI\u00c7\u00c3O<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-8fadb69\" data-id=\"8fadb69\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-85c7c61 elementor-widget elementor-widget-image\" data-id=\"85c7c61\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/pt_pt\/interior-ultrafino\/\">\n\t\t\t\t\t\t\t<img class=\"lazyload\" data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2022\/06\/Indoor-ultra-thin-LED-displays-screens.webp\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" title=\"Indoor-ultra-thin-LED-displays-screens\" alt=\"Indoor-ultra-thin-LED-displays-screens\" loading=\"lazy\" \/><noscript><img decoding=\"async\" src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2022\/06\/Indoor-ultra-thin-LED-displays-screens.webp\" title=\"Indoor-ultra-thin-LED-displays-screens\" alt=\"Indoor-ultra-thin-LED-displays-screens\" loading=\"lazy\"><\/noscript>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">Painel LED ultrafino para ambientes interiores<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-c67f3e5\" data-id=\"c67f3e5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-41cbb25 elementor-widget elementor-widget-image\" data-id=\"41cbb25\" data-element_type=\"widget\" data-e-type=\"widget\" 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FLEX\u00cdVEL<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-inner-section elementor-element elementor-element-8cd1cd2 elementor-section-boxed elementor-section-height-default elementor-section-height-default wpr-sticky-section-no wpr-column-slider-no wpr-equal-height-no\" data-id=\"8cd1cd2\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;_ha_eqh_enable&quot;:false}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-7972600\" data-id=\"7972600\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-45f56ae elementor-widget elementor-widget-image\" data-id=\"45f56ae\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/pt_pt\/outdoor-energy-saving-led-display\/\">\n\t\t\t\t\t\t\t<img class=\"lazyload\" data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2026\/06\/Outdoor-Energy-Saving-LED-Display-screen-800x800mm-800x1200mm.webp\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" title=\"Outdoor-Energy-Saving-LED-Display screen-800x800mm-800x1200mm\" alt=\"Outdoor-Energy-Saving-LED-Display screen-800x800mm-800x1200mm\" loading=\"lazy\" \/><noscript><img decoding=\"async\" src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2026\/06\/Outdoor-Energy-Saving-LED-Display-screen-800x800mm-800x1200mm.webp\" title=\"Outdoor-Energy-Saving-LED-Display 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class=\"elementor-column elementor-col-33 elementor-inner-column elementor-element elementor-element-3b13e5d\" data-id=\"3b13e5d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-846f1af elementor-widget elementor-widget-image\" data-id=\"846f1af\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t<figure class=\"wp-caption\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"\/pt_pt\/rental-led-display\/\">\n\t\t\t\t\t\t\t<img class=\"lazyload\" data-src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2026\/06\/OUTDOOR-LED-RENTAL-DISPLAY800.webp\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" title=\"DISPLAY LED EXTERIOR PARA ALUGUEL800\" alt=\"DISPLAY LED EXTERIOR PARA ALUGUEL800\" loading=\"lazy\" \/><noscript><img decoding=\"async\" src=\"https:\/\/ledcoms.com\/wp-content\/uploads\/2026\/06\/OUTDOOR-LED-RENTAL-DISPLAY800.webp\" title=\"DISPLAY LED EXTERIOR PARA ALUGUEL800\" alt=\"DISPLAY LED EXTERIOR PARA ALUGUEL800\" loading=\"lazy\"><\/noscript>\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t<figcaption class=\"widget-image-caption wp-caption-text\">VISOR LED PARA ALUGUEL<\/figcaption>\n\t\t\t\t\t\t\t\t\t\t<\/figure>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<div class=\"elementor-element elementor-element-bd89334 elementor-widget elementor-widget-spacer\" data-id=\"bd89334\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div 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href=\"https:\/\/ledcoms.com\/pt_pt\/which-led-display-manufacturer-fits-your-project\/\">Which LED Display Manufacturer Fits Your Project?<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t\t\t\t<li>\n\t\t\t\t\t<a href=\"https:\/\/ledcoms.com\/pt_pt\/top-led-display-manufacturers-by-application\/\">Top LED Display Manufacturers by Application<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t<\/ul>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3d754ac elementor-widget elementor-widget-spacer\" data-id=\"3d754ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Micro-pitch LED display technology analysis 1. Packaging technology: Display screens with a density above P2 generally use 1515, 2020, 3528 lights, and the LED pin shape adopts J or L packaging. If the pin is welded sideways, the welding area will reflect light, and the ink color effect will be poor. It is necessary to add a mask to improve the contrast. If the density is further increased, the L or J package cannot meet the application requirements, and the QFN package must be used. The feature of this process is that there are no lateral welding pins, and there is no reflection in the welding area, which makes the color rendering effect very good. In addition, the all-black integrated design is used for compression molding, and the contrast ratio of the screen is increased by 50%, and the image quality of the display application is better than that of the previous display. 2. Mounting technology: The slight deviation of the position of each RGB device of the micro-pitch display will lead to uneven display of the screen, which will inevitably require higher precision of the placement equipment. 3. Welding process: Excessive temperature rise in reflow soldering will lead to uneven wetting, which will inevitably lead to device offset during the process of wetting imbalance. Excessive wind circulation can also cause device displacement. Try to choose a reflow soldering machine with a temperature zone above 12, chain speed, temperature rise, circulating wind, etc. as strict control items, that is, to meet the welding reliability requirements, and to reduce or avoid device displacement, and try to control it within the required range. Generally, the range of 2% of the pixel pitch is used as the control value. 4. Printed circuit board process: With the development trend of micro-pitch display screens, 4-layer and 6-layer boards are adopted, printed circuit boards will adopt micro-via and buried hole designs, printed circuit graphics wires are thin, micro-holes are narrowed, and the processing uses Mechanical drilling technology can no longer meet the requirements, and the rapidly developing laser drilling technology will meet the requirements of micro-hole processing. 5. Printing technology: Too much or too little amount of solder paste and printing offset directly affect the welding quality of the micro-pitch display lamp. The correct PCB pad design needs to be implemented in the design after communicating with the manufacturer. Whether the opening size of the stencil and the printing parameters are correct or not is directly related to the amount of solder paste printed. Generally, 2020RGB devices use an electropolished laser steel mesh with a thickness of 0.1-0.12mm, and devices below 1010RGB are recommended to use a steel mesh with a thickness of 1.0-0.8. Thickness, opening size increases proportionally to tin amount. The quality of micro-pitch LED soldering is closely related to solder paste printing, and the use of printing machines with functions such as thickness detection and SPC analysis will play an important role in reliability. 6. Screen assembly: The assembled cabinet needs to be assembled into a screen before it can display refined pictures and videos. However, the size tolerance of the box itself and the cumulative assembly tolerance cannot be ignored for the assembly effect of the micro-pitch display. If the pixel pitch of the nearest device between the cabinets is too large or too small, dark lines and bright lines will be displayed. The problem of dark lines and bright lines is a difficult problem that cannot be ignored in micro-pitch display screens and needs to be solved urgently. Some companies make adjustments by pasting 3m adhesive tape and finely adjusting nuts on the cabinet to achieve the best results. 7. Box assembly: The box body is spliced by different modules, and the flatness of the box body and the gap between the modules directly affect the overall effect of the box body after assembly. Aluminum plate processing boxes and cast aluminum boxes are widely used box types at present, and the flatness can reach within 10 wires. The splicing gap between modules is evaluated by the distance between the nearest pixels of the two modules. If the two pixels are too close to each other, they will be bright Lines, two pixels too far will result in dark lines. Before assembling, it is necessary to measure and calculate the seam of the module, and then select a metal sheet of relative thickness as a jig and insert it in advance for assembly. 8. System card selection: The bright and dark lines and uniformity and color difference of the micro-pitch display are the accumulated criticisms of LED device differences, IC current differences, circuit design layout differences, and assembly differences. Some system card companies can reduce bright and dark lines and brightness and chromaticity differences through software correction all. The high-performance system card is selected to correct the brightness and chromaticity of the micro-pitch LED display, so that the display can achieve better brightness and chromaticity uniformity, and a better display effect has been achieved. INDOOR HIGH DEFINITION LED DISPLAY INDOOR ULTRA-THIN LED DISPLAY FLEXIBLE LED DISPLAY OUTDOOR ENERGY-SAVING LED DISPLAY OUTDOOR LED DISPLAY RENTAL LED DISPLAY<\/p>","protected":false},"author":1,"featured_media":21441,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21438","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Micro-pitch LED display technology analysis 1. Packaging technology:Display screens with a density above P2 generally use 1515, 2020, 3528 lights, and the LED pin shape adopts J or L packaging. If the pin is welded sideways, the welding area will reflect light, and the ink color effect will be poor. 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Packaging technology:Display screens with a density above P2 generally use 1515, 2020, 3528 lights, and the LED pin shape adopts J or L packaging. If the pin is welded sideways, the welding area will reflect light, and the ink color effect will be poor. It is necessary to add","og:url":"https:\/\/ledcoms.com\/pt_pt\/micro-pitch-led-display-technology-analysis\/","article:published_time":"2023-01-12T03:16:37+00:00","article:modified_time":"2026-07-14T07:44:41+00:00","twitter:card":"summary","twitter:title":"Micro-pitch LED display technology analysis - ledcoms","twitter:description":"Micro-pitch LED display technology analysis 1. Packaging technology:Display screens with a density above P2 generally use 1515, 2020, 3528 lights, and the LED pin shape adopts J or L packaging. If the pin is welded sideways, the welding area will reflect light, and the ink color effect will be poor. 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