{"product_id":"3-4-inch-round-tft-lcd-800x800-mipi-dsi-capacitive-touch","title":"3.4\" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver","description":"\u003cstyle\u003e\n  .body {\n    font-family: 'Segoe UI', 'inter', sans-serif;\n    line-height: 1.7;\n    color: #333;\n    max-width: 100%;\n    margin: 0 auto;\n    padding: 24px;\n  }\n\n  .product-name {\n    color: #0167D6;\n    font-weight: 600;\n    font-size: 28px;\n    margin-bottom: 24px;\n    text-align: left;\n  }\n\n  .section-container {\n    background: #FFFFFF;\n    border-radius: 10px;\n    padding: 28px;\n    margin-bottom: 28px;\n  }\n\n  .section-title {\n    color: #0167D6;\n    font-weight: 500;\n    font-size: 20px;\n    margin-bottom: 18px;\n  }\n\n  .spec-grid {\n    display: grid;\n    grid-template-columns: repeat(2, 1fr);\n    gap: 18px;\n    margin: 22px 0;\n  }\n\n  .spec-card {\n    background: #F8FAFC;\n    padding: 14px;\n    border-radius: 8px;\n  }\n\n  .spec-title {\n    color: #0167D6;\n    font-weight: 500;\n    margin-bottom: 6px;\n    font-size: 15px;\n  }\n\n  .spec-value {\n    font-weight: 500;\n    font-size: 17px;\n  }\n\n  .feature-list {\n    padding-left: 22px;\n    margin: 22px 0;\n  }\n\n  .feature-list li {\n    margin-bottom: 12px;\n    padding-left: 5px;\n    font-size: 16px;\n  }\n\n  .feature-list li span {\n    font-weight: 500;\n    color: #0167D6;\n  }\n\n  .scenarios {\n    display: flex;\n    gap: 18px;\n    margin: 22px 0;\n    flex-wrap: wrap;\n  }\n\n  .scenario {\n    background: #F8FAFC;\n    padding: 18px;\n    border-radius: 10px;\n    flex: 1;\n    min-width: 220px;\n  }\n\n  .scenario-title {\n    font-weight: 500;\n    margin-bottom: 10px;\n    color: #0167D6;\n  }\n\n  .tech-notes {\n    background: #F8FAFC;\n    border-radius: 10px;\n    padding: 22px;\n    margin-top: 18px;\n    font-size: 15px;\n  }\n\n  .spec-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 18px 0;\n    font-size: 15px;\n  }\n\n  .spec-table th {\n    background: #0167D6;\n    color: #FFFFFF;\n    padding: 14px 16px;\n    text-align: left;\n    font-weight: 500;\n    font-size: 15px;\n  }\n\n  .spec-table td {\n    padding: 14px 16px;\n    font-size: 15px;\n    font-weight: 400;\n  }\n\n  .spec-table tr:nth-child(even) {\n    background-color: #F8FAFC;\n  }\n\n  .body p {\n    margin: 14px 0;\n    font-size: 16px;\n  }\n\n  .body a {\n    color: #0167D6;\n    text-decoration: none;\n  }\n\n  .body a:hover {\n    text-decoration: underline;\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"body\"\u003e\n\u003ch3 class=\"product-name\"\u003e3.4\" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver\u003c\/h3\u003e\n\u003c!-- Product Details Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eProduct Overview\u003c\/div\u003e\n\u003cp\u003eThe DMKTT0340F2NA is a 3.4-inch round TFT-LCD display module integrating the display panel, driver IC, FPC, backlight, and capacitive touch panel (CTP) into a compact solution. Featuring a resolution of 800×800 pixels and support for 16.7 million colors, this module adopts a high-speed MIPI DSI interface, making it ideal for modern embedded systems requiring both premium visual quality and distinctive circular UI design.\u003c\/p\u003e\n\u003cdiv class=\"spec-grid\"\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-title\"\u003eDISPLAY SIZE\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e3.4 inch (Round)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-title\"\u003eRESOLUTION\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003e800 × 800 (RGB)\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-title\"\u003eDISPLAY INTERFACE\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eMIPI DSI\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"spec-card\"\u003e\n\u003cdiv class=\"spec-title\"\u003eTOUCH TYPE\u003c\/div\u003e\n\u003cdiv class=\"spec-value\"\u003eCapacitive Touch, I²C, 10-Point\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eDesigned for reliability in demanding environments, the DMKTT0340F2NA supports an operating temperature range of -30°C to +80°C and delivers a typical luminance of 850 cd\/m². Its high contrast ratio and wide viewing angles ensure consistent readability in both indoor and outdoor applications.\u003c\/p\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eHigh-Resolution Round Display:\u003c\/span\u003e 800×800 pixels with 16.7M colors, optimized for circular UI and HMI designs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHigh-Speed MIPI DSI Interface:\u003c\/span\u003e Enables stable data transmission and smooth visual performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eHigh Brightness Backlight:\u003c\/span\u003e 5S2P LED configuration with typical luminance of 850 cd\/m².\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eIntegrated Capacitive Touch:\u003c\/span\u003e 10-point multi-touch via I²C, surface hardness ≥6H, transmittance ≥85%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eWide Temperature Operation:\u003c\/span\u003e -30°C to +80°C for industrial and outdoor use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Product Specifications Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eProduct Specifications\u003c\/div\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTechnical Parameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eDMKTT0340F2NA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Type\u003c\/td\u003e\n\u003ctd\u003eTFT LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay Colors\u003c\/td\u003e\n\u003ctd\u003e16.7M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e800 (RGB) × 800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActive Area (AA)\u003c\/td\u003e\n\u003ctd\u003e87.6 × 87.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 99.79 × 99.60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCover View Area\u003c\/td\u003e\n\u003ctd\u003e96.0 (H) × 92.70 (V) mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTouch Resolution\u003c\/td\u003e\n\u003ctd\u003e800 × 800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eMIPI DSI (Display) \/ I²C (Touch)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTFT Driver IC\u003c\/td\u003e\n\u003ctd\u003eLI9881C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCTP Controller\u003c\/td\u003e\n\u003ctd\u003eCF1133\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog Supply (VCI)\u003c\/td\u003e\n\u003ctd\u003e2.8V Typ. (2.5–6.0V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIO Supply (IOVCC)\u003c\/td\u003e\n\u003ctd\u003e2.8V Typ. (1.75–3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTouch Supply\u003c\/td\u003e\n\u003ctd\u003e1.8V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBacklight\u003c\/td\u003e\n\u003ctd\u003eWhite LED, 5S2P\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLuminance (Typ.)\u003c\/td\u003e\n\u003ctd\u003e850 cd\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContrast Ratio (Typ.)\u003c\/td\u003e\n\u003ctd\u003e1200:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eViewing Angle (CR≥10)\u003c\/td\u003e\n\u003ctd\u003e80° \/ 80° \/ 80° \/ 80°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time (Typ.)\u003c\/td\u003e\n\u003ctd\u003e35 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C ~ +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-30°C ~ +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eRoHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Enterprise Solutions Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eEnterprise Solutions\u003c\/div\u003e\n\u003cp\u003eDisplayModule provides comprehensive engineering and customization support for the DMKTT0340F2NA, enabling seamless integration into a wide range of embedded and industrial systems.\u003c\/p\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eMechanical Customization:\u003c\/span\u003e FPC routing, connector options, and cover glass printing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eOptical Tuning:\u003c\/span\u003e Brightness binning, contrast optimization, and outdoor visibility solutions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTouch Integration:\u003c\/span\u003e I²C protocol support, INT\/RESET configuration, and firmware guidance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMass Production Support:\u003c\/span\u003e Stable supply chain with long-term availability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Industry Applications Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eIndustry Applications\u003c\/div\u003e\n\u003cdiv class=\"scenarios\"\u003e\n\u003cdiv class=\"scenario\"\u003e\n\u003cdiv class=\"scenario-title\"\u003eSMART HOME \u0026amp; CONTROL PANELS\u003c\/div\u003e\n\u003cp\u003eIdeal for thermostats, smart controllers, and central control panels with circular UI concepts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"scenario\"\u003e\n\u003cdiv class=\"scenario-title\"\u003eINSTRUMENTATION\u003c\/div\u003e\n\u003cp\u003eSuitable for portable meters, outdoor instruments, and professional measurement equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"scenario\"\u003e\n\u003cdiv class=\"scenario-title\"\u003eCONSUMER \u0026amp; WEARABLE DEVICES\u003c\/div\u003e\n\u003cp\u003eWell-suited for products requiring compact round displays and modern visual design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"scenario\"\u003e\n\u003cdiv class=\"scenario-title\"\u003eINDUSTRIAL HMI\u003c\/div\u003e\n\u003cp\u003eReliable solution for industrial control terminals and human-machine interfaces.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Compatibility Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eCompatibility \u0026amp; Integration\u003c\/div\u003e\n\u003cp\u003eThe module combines a MIPI DSI display interface with an I²C capacitive touch interface, allowing easy integration with mainstream application processors and embedded platforms.\u003c\/p\u003e\n\u003cul class=\"feature-list\"\u003e\n\u003cli\u003e\n\u003cspan\u003eDisplay Interface:\u003c\/span\u003e MIPI DSI (D-PHY compliant; lane and timing configuration required).\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eTouch Interface:\u003c\/span\u003e I²C with INT and RESET signals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003ePower Design:\u003c\/span\u003e Separate supply domains for display and touch, with defined power-on sequence.\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan\u003eMechanical Fit:\u003c\/span\u003e Approx. 99.79 × 99.60 mm outline; 87.6 × 87.6 mm active area.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Resources Section --\u003e\n\u003cdiv class=\"section-container\"\u003e\n\u003cdiv class=\"section-title\"\u003eTechnical Resources\u003c\/div\u003e\n\u003cdiv class=\"tech-notes\"\u003e\n\u003cp\u003e\u003cspan\u003eDocumentation:\u003c\/span\u003e Complete specifications, pin definitions, timing diagrams, and reliability data are available in the official datasheet.\u003c\/p\u003e\n\u003cp style=\"margin-top: 12px;\"\u003e\u003cspan\u003eDatasheet:\u003c\/span\u003e \u003ca rel=\"noopener\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0264\/7629\/files\/DMKTT0340F2NA.pdf?v=1768551150\" target=\"_blank\"\u003e Download DMKTT0340F2NA Datasheet (PDF) \u003c\/a\u003e\u003c\/p\u003e\n\u003cp style=\"margin-top: 12px;\"\u003e\u003cspan\u003eEngineering Support:\u003c\/span\u003e Contact our technical team for assistance with MIPI DSI configuration, power sequencing, or touch driver integration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"DisplayModule","offers":[{"title":"Default Title","offer_id":49911441686721,"sku":"DMKTT0340F2NA","price":79.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0264\/7629\/files\/DMKTT0340F2NA-Top.jpg?v=1770703483","url":"https:\/\/www.displaymodule.com\/de\/products\/3-4-inch-round-tft-lcd-800x800-mipi-dsi-capacitive-touch","provider":"DisplayModule","version":"1.0","type":"link"}