LS101I44-L-V1: 10.1-Inch WUXGA IPS TFT LCD Module, 1920x1200 Resolution, 16.7M Colors, LVDS Interface, High Brightness (300-1000 cd/m²), for Industrial and Monitor Applications

Product Subtitle / Keywords:
10.1 Inch IPS Display, WUXGA 1920x1200 Resolution, Transmissive a-Si TFT, 2-Channel LVDS Interface, 16.7M Colors, High Luminance (Customizable 300-1000 cd/m²), -20°C to +70°C Operation, Detailed LVDS Timing & Pin Assignment

Comprehensive Technical Specification & Application Guide

1. Executive Summary & Product Positioning

The LS101I44-L-V1, developed by LESSON (Wan‘an) Zhixian Technology Co., Ltd., is a high-performance 10.1-inch color active matrix TFT LCD module. This product specification book serves as the definitive technical document, meticulously defining its physical features, mechanical dimensions, absolute maximum ratings, detailed electrical characteristics, comprehensive LVDS interface pin assignment, and precise AC/DC timing specifications. It delivers a WUXGA resolution of 1920(RGB)×1200 with 16.7 million color capability, featuring an IPS panel for wide viewing angles and a customizable typical white luminance ranging from 300 to 1000 cd/m². The module employs a 2-channel LVDS interface for high-speed data transmission. The results present the module's full functional scope, performance indicators, and interface specifications, providing a complete basis for selection and design. The document serves as an objective technical specification without application environment suggestions or usage guidance.

2. Detailed Product Overview & Architecture

• Core Technology: Color active matrix TFT LCD using amorphous silicon TFTs as active switching devices. Transmissive type.
• Display Characteristics: Capable of displaying up to 16.7 million colors. Each pixel is divided into Red, Green, and Blue sub-pixels arranged in a vertical stripe.
• Module Construction: Standard TFT LCD module structure with an LED backlight assembly.
• Interface: LVDS (Low-Voltage Differential Signaling) interface, suitable for connection to processors or controllers with LVDS output.
• Viewing Direction: Free (IPS), with no grayscale inversion.

3. Exhaustive Technical Specifications

3.1 Mechanical & Physical Specifications

• Panel Size (Diagonal): 10.1 inches
• Active Area (H×V): 216.8064 mm × 135.504 mm
• Module Size (H×V×D): 228.5 mm × 149.3 mm × 4.55 mm
• Resolution: 1920 (RGB) × 1200 pixels
• Display Mode: Active matrix TFT, Transmissive type
• Luminance of White: 300 - 1000 cd/m² (Typical, customizable)

3.2 Optical & Electro-Optical Characteristics (Ta=25°C, Typical)

• Contrast Ratio (CR): 900 (Typ) @ center
• Response Time (Tr+Tf): 30 ms (Typ), 35 ms (Max)
• Transmittance (T%): 3.06% (Min), 3.6% (Typ)
• Viewing Angle (CR>10): 80° (Typ) for all directions (Top, Bottom, Left, Right).
• Color Chromaticity (White): W x ≈ 0.285, W y ≈ 0.327 (Typ).
• Luminance (L): 600 cd/m² (Typ) @ If=20mA (Note: Backlight likely driven at higher current for 300-1000 cd/m² range).

3.3 Electrical & Interface Specifications

3.3.1 Absolute Maximum Ratings

3.3.2 Electrical Characteristics (DC)

3.3.3 Pin Assignment (43-pin Connector, Excerpt)

The module uses a 43-pin connector for LVDS data, power, and control.

Pins 37-40 are reserved for manufacturer use or not connected.

3.3.4 LVDS Timing Characteristics

Table Timing Parameters (Typical):

• DCLK Frequency (Fdclk): 74.5 (Min), 77.56 (Typ), 85 (Max) MHz
• Horizontal Display (Thd): 960 DCLK
• HSYNC Period (Th): 1040 DCLK (Typ)
• Vertical Display (Tvd): 1200 H
• VSYNC Period (Tv): 1243 H (Typ)
• Frame Frequency (fV): 60 Hz (Typ)

AC Timing Specification (Excerpt):

• CLK Frequency (Frcip): 20 - 85 MHz
• Input Data Timing: Defined relative to clock period (tRCIP/7) for data lanes 0-6.

DC Timing Specification:

• Differential Input High (Vth): Max +0.1V @ Vcm=1.2V
• Differential Input Low (Vtl): Min -0.1V
• Differential Input Voltage (Vid): 0.35 - 0.6 V

4. Application Guidelines & Critical Notes

• Intended Use: Industrial HMIs, portable monitors, medical imaging displays, high-end consumer devices—any application requiring a medium-sized, high-resolution, high-brightness color display.
• Critical Design Considerations:
  1. LVDS Transmitter: The host system must include an LVDS transmitter chip that matches the module's 2-channel, 8-bit per channel configuration and meets the detailed AC/DC timing specifications.
  2. Power Supply: Provide a stable 3.3V supply (VDDIN) capable of delivering up to 360mA. Ensure low ripple (<300mV).
  3. Backlight Driver: Design a high-current LED driver for the backlight. The anode/cathode pins are provided, but the driver must be designed externally to achieve the target luminance (300-1000 cd/m²).
  4. Timing Compliance: The host graphics controller must generate timing that fits within the defined ranges for DCLK frequency, sync pulses, and blanking periods.
  5. Signal Integrity: Implement proper PCB layout for the LVDS differential pairs (100Ω differential impedance, length matching).
• Handling: This is a larger, more complex module. Observe strict ESD and mechanical handling precautions.

5. Conclusion & Design-In Support

The LS101I44-L-V1 specification provides a complete set of parameters for integrating a high-quality 10.1-inch WUXGA display. Its key strengths are the high resolution, customizable brightness, and the complete LVDS interface definition including pinout, AC, and DC specifications. Successful implementation requires a host system with a capable LVDS source, careful attention to power supply design and backlight driver design to achieve the desired brightness, and adherence to the LVDS signal integrity best practices. By following this specification, designers can integrate a display suitable for demanding visual applications where clarity, color, and brightness are paramount.