{"id":27275,"date":"2025-12-19T09:47:35","date_gmt":"2025-12-19T09:47:35","guid":{"rendered":"https:\/\/jiclcd.com\/?post_type=product&#038;p=27275"},"modified":"2026-03-25T06:36:10","modified_gmt":"2026-03-25T06:36:10","slug":"3-9-inch-tft-lcd-module","status":"publish","type":"product","link":"https:\/\/jiclcd.com\/ja\/product\/3-9-inch-tft-lcd-module\/","title":{"rendered":"3.9\u30a4\u30f3\u30c1TFT LCD\u30e2\u30b8\u30e5\u30fc\u30eb - 400\u00d7128\u8868\u793a"},"content":{"rendered":"<h2><strong>JicTech 3.9-Inch TFT LCD Module<\/strong><\/h2>\n<h3><strong>Overview<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">The JicTech RT039T9T-A1 is a 3.9-inch TFT LCD module with a resolution of 480\u00d7128 pixels. Utilizing a-Si TFT technology and a normally white transmissive display mode, it supports 16.7 million colors via dithering. The module features a 24-bit RGB interface (HV mode), high brightness, wide viewing angles, and a slim mechanical design, making it suitable for space-constrained and harsh-environment applications.<\/p>\n<hr \/>\n<h3><strong>\u4e3b\u306a\u7279\u5fb4<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a03.9-inch diagonal, 480\u00d7128 resolution (wide horizontal format)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0High brightness: 500 cd\/m\u00b2 typical<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0Wide viewing angle: 70\u00b0 (left\/right\/down), 50\u00b0 (up)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0Slim design: 105.5 \u00d7 40.64 \u00d7 2.95 mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a024-bit RGB interface (supports HV &amp; DE mode)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0High contrast ratio: 500:1 typical<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0Long-life LED backlight: 25,000 hours<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0Operating temperature: -20\u00b0C to +70\u00b0C<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">\u00a0RoHS compliant, reliable for industrial use<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Technical Specifications<\/strong><\/h3>\n<div class=\"ds-scroll-area _1210dd7 c03cafe9\">\n<div class=\"ds-scroll-area__gutters\">\n<div class=\"ds-scroll-area__horizontal-gutter\"><\/div>\n<div class=\"ds-scroll-area__vertical-gutter\"><\/div>\n<\/div>\n<table>\n<thead>\n<tr>\n<th><strong>\u30ab\u30c6\u30b4\u30ea\u30fc<\/strong><\/th>\n<th><strong>\u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/th>\n<th><strong>\u4ed5\u69d8<\/strong><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>\u4e00\u822c<\/strong><\/td>\n<td>\u30e2\u30c7\u30eb<\/td>\n<td>RT039T9T-A1<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Display Size<\/td>\n<td>3.9 inches<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Active Area<\/td>\n<td>95.04 \u00d7 25.34 mm<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u6c7a\u8b70<\/td>\n<td>480 \u00d7 128 pixels<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30d4\u30af\u30bb\u30eb\u30d4\u30c3\u30c1<\/td>\n<td>0.198 \u00d7 0.198 mm<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30c7\u30a3\u30b9\u30d7\u30ec\u30a4\u306e\u8272<\/td>\n<td>16.7M (via dithering)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u8868\u793a\u30e2\u30fc\u30c9<\/td>\n<td>\u901a\u5e38\u30db\u30ef\u30a4\u30c8<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Pixel Configuration<\/td>\n<td>RGB\u7e26\u7e1e<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Viewing Direction<\/td>\n<td>12 o\u2019clock<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30c9\u30e9\u30a4\u30d0\u30fcIC<\/td>\n<td>ILI6480<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u8868\u9762\u51e6\u7406<\/td>\n<td>Hard Coating (HC)<\/td>\n<\/tr>\n<tr>\n<td><strong>Electrical<\/strong><\/td>\n<td>Supply Voltage (VDD)<\/td>\n<td>3.0V to 3.6V (Typ. 3.3V)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Analog Voltage (AVDD)<\/td>\n<td>5.2V to 5.6V (Typ. 5.2V)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/td>\n<td>24-bit RGB (HV mode)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Connector Type<\/td>\n<td>40-pin FPC (FH12-40S-0.5SH or equivalent)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5149\u5b66<\/strong><\/td>\n<td>Luminance (White)<\/td>\n<td>400 cd\/m\u00b2 min, 500 cd\/m\u00b2 typ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u30b3\u30f3\u30c8\u30e9\u30b9\u30c8\u6bd4<\/td>\n<td>400:1 min, 500:1 typ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Viewing Angle (CR \u2265 10)<\/td>\n<td>Left\/Right\/Down: 70\u00b0 typ, Up: 50\u00b0 typ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Response Time (Ton + Toff)<\/td>\n<td>Ton: 10 ms typ, Toff: 15 ms typ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u8272\u57df\uff08NTSC\uff09<\/td>\n<td>Approx. 50%<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Luminance Uniformity<\/td>\n<td>75% min, 80% typ<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Chromaticity (White, CIE1931)<\/td>\n<td>Wx: 0.31 typ, Wy: 0.33 typ<\/td>\n<\/tr>\n<tr>\n<td><strong>Backlight<\/strong><\/td>\n<td>\u5149\u6e90<\/td>\n<td>10 white LEDs (5S2P configuration)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>LED Forward Current<\/td>\n<td>40 mA typical (20 mA per LED)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>LED Forward Voltage<\/td>\n<td>16V typical (3.2V per LED)<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Backlight Power<\/td>\n<td>To be determined<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>Backlight Lifetime<\/td>\n<td>25,000 hours (to 50% initial brightness)<\/td>\n<\/tr>\n<tr>\n<td><strong>\u30e1\u30ab\u30cb\u30ab\u30eb<\/strong><\/td>\n<td>Module Dimensions<\/td>\n<td>105.5 \u00d7 40.64 \u00d7 2.95 mm<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u91cd\u91cf<\/td>\n<td>To be determined (\u00b15% tolerance)<\/td>\n<\/tr>\n<tr>\n<td><strong>Environmental<\/strong><\/td>\n<td>\u52d5\u4f5c\u6e29\u5ea6<\/td>\n<td>-20\u00b0C to +70\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>\u4fdd\u5b58\u6e29\u5ea6<\/td>\n<td>-30\u00b0C to +80\u00b0C<\/td>\n<\/tr>\n<tr>\n<td><strong>Reliability<\/strong><\/td>\n<td>Test Compliance<\/td>\n<td>High\/low temp storage &amp; operation, thermal shock, vibration, shock, ESD, drop test<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3><strong>Interface &amp; Pin Description<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">The module uses a 40-pin FPC connector. Key pins include:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>VBL+, VBL-<\/strong>: Backlight anode and cathode<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>VCC<\/strong>: Logic supply (3.3V)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>R0\u2013R7, G0\u2013G7, B0\u2013B7<\/strong>: 24-bit RGB data<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>CLK<\/strong>: Pixel clock<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>HSYNC, VSYNC<\/strong>: Horizontal and vertical sync signals<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DEN<\/strong>: Data enable (internal weak pull-down)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>DISP<\/strong>: Display on\/off control<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>XR, YD, XL, YU<\/strong>: Reserved for touch panel (NC in this version)<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Power Sequence &amp; Timing<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Power-On<\/strong>: VDD \u2192 PVDD \u2192 AVDD \u2192 Signals \u2192 Backlight<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Power-Off<\/strong>: Backlight \u2192 Signals \u2192 AVDD \u2192 PVDD \u2192 VDD<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Clock Frequency<\/strong>: 24 MHz to 30 MHz (27 MHz typical)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong>Frame Rate<\/strong>: ~17.28 kHz in 24-bit RGB mode<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Detailed timing parameters are provided in Section 6 of the specification.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Applications<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Industrial control panels and HMIs<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Portable medical and diagnostic devices<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Handheld terminals and scanners<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Instrumentation and measurement displays<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Automotive auxiliary displays<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Narrow-format information displays<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Reliability Testing<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">The module is subjected to comprehensive environmental and reliability tests, including:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">High\/low temperature operation and storage<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Thermal shock cycling (-30\u00b0C to +80\u00b0C)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Vibration and mechanical shock resistance<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">ESD protection (\u00b18kV air, \u00b14kV contact)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Package drop testing (80 cm height)<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Mechanical Drawing &amp; Dimensions<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">Refer to the mechanical drawing in the specification for detailed dimensions, mounting holes, and connector placement. Key highlights:<\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Module outline: 105.5 mm (W) \u00d7 40.64 mm (H) \u00d7 2.95 mm (D)<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Bezel opening: 98.04 mm \u00d7 28.34 mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Active area: 95.04 mm \u00d7 25.34 mm<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">FPC connector positioned for easy integration<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Packaging Information<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Standard packing supports 80 pieces per carton<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Custom packaging options available for volume orders<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Anti-static and moisture-protective materials used<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Packing method ensures safe transport and handling<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Handling &amp; Precautions<\/strong><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\">Avoid mechanical shock and direct pressure on the display surface.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Use ESD protection during handling and assembly.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Clean only with isopropyl alcohol or ethyl alcohol; avoid water, ketones, and aromatic solvents.<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Store in a dry, dark environment (0\u00b0C to 40\u00b0C, \u226480% RH).<\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\">Follow recommended power sequence to prevent damage.<\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Why Choose This Module?<\/strong><\/h3>\n<p class=\"ds-markdown-paragraph\">The JicTech RT039T9T-A1 combines a unique wide-format display with high brightness, robust construction, and long-term reliability. Its slim profile and industrial-grade performance make it an ideal choice for applications requiring a compact yet durable display solution. Whether for industrial controls, portable devices, or specialty instruments, this module delivers consistent performance and excellent visual clarity.<\/p>\n<hr \/>\n<p class=\"ds-markdown-paragraph\"><strong>Ready to Integrate?<\/strong><br \/>\nContact us for samples, pricing, and technical support. Let\u2019s bring your narrow-format display project to life with JicTech quality and reliability.<\/p>\n<p>&nbsp;<\/p>\n<h2>\u6280\u8853\u8cc7\u6599\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/h2>\n<p>Click here to download this document\uff1a<a href=\"https:\/\/jiclcd.com\/wp-content\/uploads\/2025\/12\/RT039T9T-A1.pdf\">RT039T9T-A1<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>The 3.9\u2033 TFT LCD module from JicTech features a 400\u00d7128 resolution display with vivid colors and compact design. With RGB interface options, it\u2019s ideal for wearables, handheld devices, embedded systems, and IoT applications.<\/p>","protected":false},"featured_media":27278,"comment_status":"open","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"product_brand":[],"product_cat":[35],"product_tag":[146,108,147,145],"class_list":{"0":"post-27275","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-tft-lcd-module","7":"product_tag-interface-rgb","8":"product_tag-jictech-3-9-inch-tft-lcd-module","9":"product_tag-pixel-480x128","10":"product_tag-viewing-angle-12","12":"first","13":"instock","14":"shipping-taxable","15":"product-type-simple"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>3.9\u2011inch TFT LCD Module \u2013 400\u00d7128 Display - Jictech<\/title>\n<meta name=\"description\" content=\"High\u2011quality 3.9\u2033 TFT LCD Module with 400\u00d7128 resolution and vivid visuals. 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