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4.2 Inch Reflective TFT LCD 400×300, SPI, Wide Temperature Range

GDTL042T71
Unlock vibrant, ultra-low-power designs with our 1.69" circular Spectra 6 color E Ink display. 400x400 resolution, 262K colors. Ideal for smartwatches, ESL tags & IoT devices.
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$10.96
$12.89
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  • Product:
    GDTL042T71
    with Adapter Board
    with STM32 Demo Kit
    with ESP32 Demo Kit
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  • Description
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4.2" Reflective TFT LCD

Wide Operating Temperature, IC ST7306, 400x300 Resolution, SPI Interface, Paper-Like Displaying, Low Power

Key Features

Ultra-Low Power Consumption

Due to its reflective technology, it operates without a backlight, making it highly energy-efficient.

Fast Refresh Rate for a Paper-Like Display

It offers smoother performance compared to e-paper screens, enabling dynamic content without lag or ghosting.

Wide Operating Temperature Range

It ensures stable performance in demanding environments, from industrial to automotive applications.

Technical Specifications

Part Number GDTL042T71
IC ST7305
Size 4.2"
Connector 24 Pin FPC, Pitch:0.5mm
Resolution 300x400
Display Mode Mono TFT / Reflective TFT
Dot Pitch 0.212(H)x 0.212(V)
Interface 4 Line SPI
Active Size(mm) 63.6(H)x 84.8(V)
Operating Temp -20℃~70℃
Outline Size(mm) 67.6(H)x 91.0(V) x0.8(D)
Storage Temp-30℃~+80℃
Weight
10g

 

Technical Details

Pinout Description

Pinout Diagram
Pin Signal Type Description
1-4, 6-8, 19, 23 NC NC No Connection
5 VCC(I-O) PWR Digital Circuit Power Supply
9 TE CTRL Tearing Effect Signal for synchronizing MCU
10 LCD_RES CTRL Reset input pin (Low active)
11 LCD_D/C CTRL Data/Command selection in 4-wire serial interface
12 LCD_CS CTRL Chip Select (Low enable, High disable)
13 LCD_SCLK CTRL Serial Interface Clock pin
14 LCD_SDI CTRL SPI interface input/output pin
15 IOVCC PWR Power Supply (Digital) 1.65V-3.3V
16 VCI PWR Power Supply (Analog) 2.55V-3.3V
17 GND GND Power Ground
18 VGH PWR Power output (positive) for Gate Driver
20 VIV PWR Power output for Analog Driver
21 AVDD PWR Power output for Analog Driver
22 VNV PWR Power output for Analog Driver
24 VGL PWR Power output (negative) for Gate Driver
 

 

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Typical Applications

Industrial

Industrial Control Terminals

This display supports wide-temperature operation (-20℃ to 70℃), making it suitable for equipment such as CNC machine tools and PLC operation panels. It can display real-time parameters, alarm information, and operation menus.

Industrial

Logistics & Warehousing Equipment

Scenarios such as electronic shelf labels (ESLs) and AGV navigation screens require dynamic information updates. The reflective TFT’s fast response time (<15ms) and low static power consumption (tens of microamps) make it more suitable than e-paper for price or path indicators that need frequent refreshing, with lower costs.

Consumer Electronics

Smart Home Controls

In smart door locks and temperature control panels, this display can show operation menus and status information, supporting touch interaction. Its wide viewing angle (>170°) and anti-fingerprint coating enhance the user experience.






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Sustainable Technology

Paperless Future

Each display saves ≈3,000 sheets annually. Join 15,000+ businesses reducing paper waste with ePaper solutions.

Sustainable Packaging

95% recycled materials with FSC-certified packaging. 100% plastic-free protective materials.

Energy Leadership

90% less energy than LCDs. Annual CO₂ reduction equivalent to 50 mature trees.

About Us

Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at www.good-display.com.
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at buyepaper@good-display.com.

Certifications

ISO 14001 Environmental Management
RoHS Compliant | Energy Star Certified

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