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E-Newsletter
Insight Of Next Display【Issue No.178】June, 2025
+886-4-25650761 salescontact@raystar-optronics.com www.raystar-optronics.com
June, 2025

Welcome to the latest edition of Raystar’s Newsletter, featuring updates in display technology and product innovation.

Contents in Issue No. 178
1. Smart Display Series: Reliable CAN bus Modules with GPIO and PCAP
2. [RL0F00039000FGDAASA00] 3.9-inch RS485 Modbus Smart Display with PCAP (GPIO)
3. New COG Graphic LCD Modules: RX32032A, RX240128C, and RX320240H
4. Explore the Multi-application Uses of OLED Knob Modules
5. Upgrade User Interaction Experience with Our PCAP TFT Modules Series
6. Earth Day Event: Second-hand Market for a Sustainable Tomorrow

1. Smart Display Series: Reliable CAN bus Modules with GPIO and PCAP

1. Smart Display Series: Reliable CAN bus Modules with PCAP and GPIO

The Smart Display product series includes three modules: 3.9-inch RL0F00039000FGAAASA00, 4.3-inch RL0F00043000WGAAESA00, and 5-inch RL0F00050000FGAAGSA00. These displays are designed for industrial and embedded system applications, supporting input voltage ranges from 5V to 48V (3.9-inch) or 5V to 28V (4.3-inch and 5-inch).

Each module features a CANbus communication interface with either a Custom CAN ID protocol (3.9-inch) or CANopen protocol (4.3-inch and 5-inch), defaulting to a 250Kbps baud rate. Integrated 16MB flash memory provides storage for fonts, object dictionary data, and images.

All modules include projected capacitive touch screens (PCAP), self-testing after boot, embedded buzzers, GPIO functionality, and support for multiple platforms such as computers (via USB-to-CAN dongle), MCUs, and Raspberry Pi (with PiCAN2).

Model No. RL0F00039000FGAAASA00 RL0F00043000WGAAESA00 RL0F00050000FGAAGSA00
Product Image RL0F00039000FGAAASA00 RL0F00043000WGAAESA00 RL0F00050000FGAAGSA00
Size(Diagonal) 3.9-inch 4.3-inch 5-inch
Resolution 480 × 128 dots 480 × 272 dots 800 × 480 dots
Module Dimension 157.0 (W) × 42.0 (H) × 16.0 (D) mm 119.3 (W) × 67.2 (H) × 13.0 (D) mm 132.7 (W) × 75.8 (H) × 12.5 (D) mm
Active Area 95.04 × 25.34 mm 95.04 × 53.856 mm 108.0 × 64.8 mm
Interface CAN bus
Protocol Custom CAN ID + GPIO CANopen + GPIO
Bitghyness 800 cd/㎡ 400 cd/㎡
Touch Panel Projected Capacitive Touch Screen, PCAP
  View More Product Details View More Product Details View More Product Details

2. [RL0F00039000FGDAASA00] 3.9-inch RS485 Modbus Smart Display with PCAP (GPIO)

3.9-inch RS485 Modbus Smart Display with PCAP (GPIO) - RL0F00039000FGDAASA00

The RL0F00039000FGDAASA00 is a 3.9-inch RS485 Modbus smart display module featuring a projected capacitive touch panel (PCAP) for intuitive user interaction. The module supports a wide input voltage range from 5V to 48V (typical 5V), ensuring compatibility with diverse systems. It integrates a built-in 16MB flash memory for storing fonts and object dictionary data, and includes a self-testing function at startup.

The embedded buzzer can be controlled by the master device, and GPIO pins are provided for additional control needs. The module supports versatile integration across multiple platforms, including computers (via USB to CAN dongle), MCUs, and Raspberry Pi (via PiCAN2).

RL0F00039000FGDAASA00

RL0F00039000FGDAASA00

  • Size(Diagonal): 3.9-inch
  • Resolution: 480 × 128 dots
  • Module Dimension: 157.0 × 42.0 × 16.0 mm
  • Active Area: 95.04 × 25.34 mm
  • Interface: RS485
  • Protocol: Modbus
  • Brightness: 800 cd/m2
  • Touch Panel: Projected Capacitive Touch Panel, PCAP

    View More Product Details

3. New COG Graphic LCD Modules: RX32032A, RX240128C, and RX320240H

3. New COG Graphic LCD Modules: RX32032A, RX240128C, and RX320240H

This section introduces three monochrome COG (Chip-on-Glass) Graphic LCD Modules, each optimized for diverse application requirements.

The RX32032A is a 4.24-inch 320×32 module featuring the ST7586S IC. It supports 3-line/4-line SPI interfaces, enabling flexible integration into various systems. The RX240128C is a 3.75-inch 240×128 module with the UC1528c IC, offering support for 6800, 8080 and 4-line SPI/I²C interfaces. The RX320240H is a 3.78-inch 320×240 module with the IST3088 IC, supporting 6800, 8080, and 4-line SPI interfaces.

All modules operate within a temperature range of -20°C to +70°C. The compact COG construction provides lightweight, space-saving designs suitable for industrial control systems, instrumentation, and other embedded graphic display applications.

Model No. RX32032A RX240128C RX320240H
Product Image RX32032A RX240128C RX320240H
Structure COG
Size (Diagonal) 4.24-inch 3.75-inch 3.78-inch
Number of Dots 320 × 32 dots 240 × 128 dots 320 × 240 dots
Module Dimension 114.32 (W) × 27.56 (H) × 5.60 (D) mm 98.70 (W) × 67.70 (H) × 5.70 (D) mm 94.20 (W) × 80.60 (H) × 6.05 (D) mm
View Area 109.12 × 15.26 mm 92.0 × 53.0 mm 80.2 × 61.0 mm
Active Area 106.865 × 12.850 mm 83.975 × 44.775 mm 76.79 × 57.59 mm
Dot Size 0.319 × 0.388 mm 0.325 × 0.325 mm 0.23 × 0.23 mm
Dot Pitch 0.334 × 0.402 mm 0.35 × 0.35 mm 0.24 × 0.24 mm
Duty 1/32 1/128 1/240
Backlight Type LED
IC ST7586S UC1528c IST3088
Interface 3-Line/4-Line SPI 6800,8080,4-Line SPI/I2C 6800,8080,4-Line SPI
  View More Product Details View More Product Details View More Product Details

4. Explore the Multi-application Uses of OLED Knob Modules

4. Explore the Multi-application Uses of OLED Knob Modules

As the OLED market continues to grow, the need for innovative solutions in diverse applications is on the rise—and OLED knob displays are leading the way. At Raystar, we’re dedicated to developing and designing OLED knob modules that seamlessly integrate a high-quality OLED display with a functional control knob.

These modules are ideal for coffee machines, audio systems, and industrial controls, offering a modern, intuitive user experience.

Key Features

  1. Available in both circular (128x128) and rectangular (128x64) formats.
  2. Supports SPI and I2C interfaces for flexible system integration
  3. Wide operating voltage range: 1.65V to 3.3V
  4. Reliable performance in harsh environments (-30℃ to +80℃)
  5. Touch or rotary control options for enhanced usability

Ready to Elevate Your Projects?

Upgrade your smart home, audio, and industrial solutions with Raystar’s multi-application OLED Knob Modules. Learn more and see how these modules can enhance your next project.

Learn more about OLED knob modules: OLED Knob Modules

Contact our sales team today: Contact us

5. Upgrade User Interaction Experience with Our PCAP TFT Modules Series

5. Upgrade User Interaction Experience with Our PCAP TFT Modules Series

This section introduces the series of TFT display modules featuring Projected Capacitive Touch (PCAP) technology. Compared to resistive touch screens, PCAP offers improved user interaction, higher performance, and enhanced usability.

Key Features

  1. Integrated control board for reduced development time
  2. Wide viewing angle technology for enhanced readability
  3. Sunlight-readable modules for outdoor visibility
  4. Wide operating temperature range for demanding applications
  5. Monochrome modules for specific use cases

Currently available module sizes: 0.96", 3.5", 3.9", 4.3", 5", 5.2", 5.7", 7", 10.1", and up to 15.6".

Ready to Improve Your Projects?

For more information, including detailed specifications and application support, please visit our product page.

TFT + PCAP Modules

If you require further assistance, feel free to contact us—we’re here to help you find the ideal display solution for your project.

Contact us

6. Earth Day Event: Second-hand Market for a Sustainable Tomorrow

6. Earth Day Event: Second-hand Market for a Sustainable Tomorrow

Every Small Step Counts—Together for a Sustainable Tomorrow!

At Raystar, we believe that sustainability is a journey we share with our community. That’s why, in celebration of Earth Day, we proudly hosted our Second-hand Market—an initiative dedicated to giving pre-loved items a second life while fostering a more circular economy.

From April 21 to May 4, employees came together to sort, review, and donate their gently used items, ensuring each one met our quality guidelines. Through this collaborative effort, we collected 582 items and found new homes for 494 of them.

This not only reduced potential waste but also demonstrated our team’s strong commitment to responsible consumption and community care.

The success of this event highlights that small, collective actions can drive meaningful change. By embracing reuse and recycling, we take steps toward a more sustainable future for everyone.

Let’s Take Care of the Planet Together!

We’re excited to share more about this meaningful initiative with you!

Click here to explore the event and discover how we’re making a difference

If you have any questions about Raystar’s solutions, please feel free to contact our sales team anytime.

Contact us today to learn more about our solutions

TEL : 886-4-2565-0761 FAX : 886-4-2565-0760 E-mail : salescontact@raystar-optronics.com
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