{"id":965,"date":"2018-09-26T17:20:35","date_gmt":"2018-09-27T00:20:35","guid":{"rendered":"https:\/\/www.crystalfontz.com\/blog\/?post_type=encyclopedia&#038;p=965"},"modified":"2018-10-15T12:45:39","modified_gmt":"2018-10-15T19:45:39","slug":"cabc","status":"publish","type":"encyclopedia","link":"https:\/\/www.crystalfontz.com\/blog\/glossary\/cabc\/","title":{"rendered":"CABC"},"content":{"rendered":"<p>CABC stands for Content Adaptive <a href=\"https:\/\/www.crystalfontz.com\/blog\/glossary\/backlight\/\" target=\"_self\" title=\"A backlight is used behind the LCD glass to allow the LCM to be read in dark conditions. The vast majority of backlights are now LED. Historically there were also EL (electroluminescent) and CCFL (Cold Cathode Fluorescent Light) backlights, but as LED efficiency has increased and cost has decreased, EL and CCFL backlights have all&hellip;\" class=\"encyclopedia\">Backlight<\/a> Control.<\/p>\n<p>Normally an <a href=\"https:\/\/www.crystalfontz.com\/blog\/glossary\/lcd\/\" target=\"_self\" title=\"LCD stands for Liquid Crystal Display. An LCD is composed of two pieces of glass with a thin layer of liquid crystals between the glass layers. When a voltage is applied to the glass, the orientation of the crystals can be changed. This change in the crystal's orientation (called polarization) will make either a dark&hellip;\" class=\"encyclopedia\">LCD<\/a>&rsquo;s backlight is set to the brightness that will make a white pixel fully illuminated. CABC automatically dims the backlight to the lowest level required for the brightest pixel on the display.<\/p>\n<p>Simultaneously, the controller lightens the image by the same amount. Overall, there is no visible change in the image, but less power is used in the backlight for any image that does not contain a pure white pixel.<\/p>\n<p>In this way, CABC reduces the overall average power needed by the display and backlight.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CABC stands for Content Adaptive Backlight Control. Normally an LCD&#8217;s backlight is set to the brightness that will make a white pixel fully illuminated. CABC automatically dims the backlight to the lowest level required for the brightest pixel on the display. Simultaneously, the controller lightens the image by the same amount. Overall, there is no [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"class_list":["post-965","encyclopedia","type-encyclopedia","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>CABC - Crystalfontz LCD Glossary<\/title>\n<meta name=\"description\" content=\"CABC : CABC stands for Content Adaptive Backlight Control. 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