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LESSON Smart Display LS055I13-MP-V1 (Driver IC: HX8399-A) – 5.46" 1080×1920 FHD+ IPS TFT Module

Tags & Keywords
#TFT-LCD #5.5inch #1080x1920 #FHD+ #IPS #16.7MColors #HX8399A #MIPI #LESSON #RoHS

Introduction
This document is the official product specification for the LS055I13-MP-V1, a 5.46-inch transmissive a-Si TFT-LCD module developed by LESSON Smart Display Technology Co., Ltd. Featuring a Full HD+ resolution of 1080(RGB)×1920, 16.7 million colors, an IPS panel for wide viewing angles, and driven by the HX8399-A controller, this module is designed for applications that require both high resolution and excellent visual consistency from different viewpoints, such as smartphones, tablets, and shared-viewing devices.

Key Specifications

  • Brand & Model: LESSON LS055I13-MP-V1
  • Screen Size: 5.46 inches (diagonal)
  • Display Technology: Transmissive a-Si TFT-LCD, IPS
  • Module Type: COG+FPC+B/L
  • Display Resolution: 1080(RGB) × 1920 pixels (FHD+)
  • Display Colors: 16.7 Million Colors
  • Main LCD Driver IC: HX8399-A
  • Interface: MIPI DSI (inferred from pin names CLKP/CLKN, DnP/DnN)
  • Module Size (H×V×D): 70.05 × 127.55 × 1.95 mm
  • Active Area (H×V): 68.04 × 120.96 mm
  • Operating Temperature: -20°C ~ 70°C
  • Storage Temperature: -30°C ~ 80°C
  • Backlight: LED, V_BL=19.6~22.4V, I_F=40mA
  • Compliance: ROHS

General Description
The LS055I13-MP-V1 is a well-balanced FHD+ IPS module. Its core features include:

  1. IPS Technology: Ensures color and contrast remain stable across wide horizontal and vertical viewing angles (typically 80 degrees CR>10).
  2. Specified Driver IC: Uses the HX8399-A display driver.
  3. Clear Mechanical Specs: Provides module outline and active area dimensions from the Mechanical Specification table.
  4. Detailed Pinout: The pin description table defines MIPI DSI lanes, power supplies (VCC, IOVCC), reset (RESET), and tearing effect output (TE).
  5. Optical Performance Data: Includes typical values for response time (35ms), contrast ratio (1000:1), luminance (400 cd/m²), and chromaticity.

Key Features

  • IPS + FHD+ Combination: Wide viewing angle meets high resolution.
  • Defined Driver and Dimensions.
  • Comprehensive Basic Optical Specs.

Application Scenarios

  • Smartphones and Tablet Displays
  • Portable Media Players for Shared Viewing
  • Industrial HMIs with Multiple Operators
  • Digital Photo Frames
  • Medical Monitoring Devices

Conclusion
The LESSON LS055I13-MP-V1 is a mainstream high-performance 5.5-inch display module that successfully combines IPS wide-viewing-angle technology with FHD+ resolution, making it suitable for a broad range of consumer and industrial applications where visual quality is important.

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Eddie Chen
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