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3.4" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver

SKU: DMKTT0340F2NA
Sale price$79.00
  • 💹 Enjoy a 20% discount for orders over 500
  • 📉 A 15% discount is available for orders ranging from 200 to 499
  • 🎁 A 10% discount is available for orders ranging from 50 to 199
  • 🎁 A 5% discount is available when ordering 10-49

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3.4" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver
3.4" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver Sale price$79.00

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3.4" Round TFT LCD Display 800×800 with Capacitive Touch – MIPI DSI Interface, LI9881C Driver

Product Overview

The 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.

DISPLAY SIZE
3.4 inch (Round)
RESOLUTION
800 × 800 (RGB)
DISPLAY INTERFACE
MIPI DSI
TOUCH TYPE
Capacitive Touch, I²C, 10-Point

Designed 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.

  • High-Resolution Round Display: 800×800 pixels with 16.7M colors, optimized for circular UI and HMI designs.
  • High-Speed MIPI DSI Interface: Enables stable data transmission and smooth visual performance.
  • High Brightness Backlight: 5S2P LED configuration with typical luminance of 850 cd/m².
  • Integrated Capacitive Touch: 10-point multi-touch via I²C, surface hardness ≥6H, transmittance ≥85%.
  • Wide Temperature Operation: -30°C to +80°C for industrial and outdoor use.
Product Specifications
Technical Parameter Specification
Model DMKTT0340F2NA
Display Type TFT LCD
Display Colors 16.7M
Resolution 800 (RGB) × 800
Active Area (AA) 87.6 × 87.6 mm
Module Dimensions Approx. 99.79 × 99.60 mm
Cover View Area 96.0 (H) × 92.70 (V) mm
Touch Resolution 800 × 800
Interface MIPI DSI (Display) / I²C (Touch)
TFT Driver IC LI9881C
CTP Controller CF1133
Analog Supply (VCI) 2.8V Typ. (2.5–6.0V)
IO Supply (IOVCC) 2.8V Typ. (1.75–3.3V)
Touch Supply 1.8V
Backlight White LED, 5S2P
Luminance (Typ.) 850 cd/m²
Contrast Ratio (Typ.) 1200:1
Viewing Angle (CR≥10) 80° / 80° / 80° / 80°
Response Time (Typ.) 35 ms
Operating Temperature -30°C ~ +80°C
Storage Temperature -30°C ~ +80°C
Compliance RoHS
Enterprise Solutions

DisplayModule provides comprehensive engineering and customization support for the DMKTT0340F2NA, enabling seamless integration into a wide range of embedded and industrial systems.

  • Mechanical Customization: FPC routing, connector options, and cover glass printing.
  • Optical Tuning: Brightness binning, contrast optimization, and outdoor visibility solutions.
  • Touch Integration: I²C protocol support, INT/RESET configuration, and firmware guidance.
  • Mass Production Support: Stable supply chain with long-term availability.
Industry Applications
SMART HOME & CONTROL PANELS

Ideal for thermostats, smart controllers, and central control panels with circular UI concepts.

INSTRUMENTATION

Suitable for portable meters, outdoor instruments, and professional measurement equipment.

CONSUMER & WEARABLE DEVICES

Well-suited for products requiring compact round displays and modern visual design.

INDUSTRIAL HMI

Reliable solution for industrial control terminals and human-machine interfaces.

Compatibility & Integration

The module combines a MIPI DSI display interface with an I²C capacitive touch interface, allowing easy integration with mainstream application processors and embedded platforms.

  • Display Interface: MIPI DSI (D-PHY compliant; lane and timing configuration required).
  • Touch Interface: I²C with INT and RESET signals.
  • Power Design: Separate supply domains for display and touch, with defined power-on sequence.
  • Mechanical Fit: Approx. 99.79 × 99.60 mm outline; 87.6 × 87.6 mm active area.
Technical Resources

Documentation: Complete specifications, pin definitions, timing diagrams, and reliability data are available in the official datasheet.

Datasheet: Download DMKTT0340F2NA Datasheet (PDF)

Engineering Support: Contact our technical team for assistance with MIPI DSI configuration, power sequencing, or touch driver integration.