Product Overview

This 1.3-inch TFT LCD display module (240×240 resolution) is tailored for smart home control applications, including thermostats, wall panels, and environment monitors. Its square design and compact footprint (26.2×58.44 mm) make it ideal for space-conscious smart devices.

Backed by a direct manufacturer with ISO9001 and ISO14001 certifications, this module delivers consistent quality and reliable performance. Our factory integrates automated COG production lines, strict MES-based quality control, and in-house R&D to support OEM/ODM customization and stable supply. It’s RoHS compliant, operates reliably from -20°C to 70°C, and supports an easy-to-integrate SPI interface with full viewing angles and up to 550 nits brightness—making it a top choice for next-gen smart home interfaces.

 Key Specifications

• Model Type: 1.3” Transmissive TFT

• Resolution: 240x240

• Driver IC: ST7789P3-G6

• Interface: SPI

• Brightness: 500~550 nits

• Viewing Direction: Free angle

• Operating Temp: -20℃ ~ 70℃

• Storage Temp: -30℃ ~ 80℃

• Outline: 26.2×58.44×1.35mm

• AA Area: 23.4×23.4mm

• Connector: Plug-in

• RoHS Compliant

Application Scenario: Smart Home Display Panel

This module excels in smart home panels, offering:

• Sharp visual output for displaying temperature, humidity, modes.

• High brightness suitable for indoor and daylight use.

• Compact square layout ideal for modern control surfaces.

• Flexible SPI interface for easy MCU integration.

Factory Advantage

As a direct source manufacturer, we offer:

• Stable bulk supply

• OEM/ODM support

• Short lead times (standard: 3-7 days, custom: 15-25 days)

• Strict MES quality system

• ISO9001 / ISO14001 certified production lines

Our Products

We are a leading display manufacturer specializing in custom LCD display solutions, including monochrome LCD modules, TFT display modules, and AMOLED display modules. As a national high-tech enterprise, we integrate independent R&D, precision manufacturing, and global sales to deliver high-performance, small-size display modules for a wide range of applications.

With over 17 years of industry expertise, we focus on customized TN, STN, FSTN, and VA monochrome displays, as well as small to medium-sized TFT LCD and OLED modules. Our displays are widely used in smart home systems, medical devices, industrial control panels, wearables, and IoT terminals—where compact form factor, stability, and clarity are critical.

We offer OEM/ODM display customization, covering interface selection, brightness tuning, FPC layout design, and touch panel integration, ensuring seamless compatibility with your end-product design. Whether you're building a smart controller, diagnostic device, or embedded control system, we provide flexible, cost-effective display solutions that meet your performance and reliability needs.

Application of Monochrome Display Products

Our monochrome LCD modules are trusted across a wide range of industries, including industrial control systems, smart home control panels, automotive instrument clusters, commercial terminals, and mobile payment devices.

We provide custom display solutions tailored to your specific project needs—offering full flexibility in product family design, interface type, display format, and mechanical dimensions. Whether you require TN, STN, FSTN, or VA technology, we deliver high-reliability, low-power, and cost-effective monochrome displays optimized for embedded system applications.

​

Application of TFT Display Products

Our TFT LCD modules are widely used in a diverse range of modern applications, including smart wearables, children’s educational devices, smart home systems, industrial control panels, medical equipment, and mobile payment terminals.

Featuring vivid color reproduction, wide viewing angles, and fast response times, our small to medium-sized TFT displays ensure clear and consistent visual performance in both indoor and outdoor settings. We offer custom display integration, supporting design flexibility for compact, high-efficiency, and user-friendly HMI interfaces across multiple industries.

Whether you're developing a smartwatch, a touch-enabled home appliance, or an industrial handheld device, our TFT screen modules deliver a perfect balance of visual excellence and robust performance.

Manufacturing Capacity

We operate two advanced monochrome LCD production lines, supported by 13 fully automatic COG production lines and complete COB bonding and CTP full lamination capabilities. These facilities ensure efficient, scalable, and flexible production for both standard and custom display module solutions.

Backed by a dedicated R&D team, a robust quality management system, and a highly efficient execution team, we are committed to delivering high-reliability display modules that meet global standards. Our pro-innovation corporate culture drives us to continuously enhance product performance and customer experience.

With full OEM/ODM customization support, stable lead times, and competitive pricing, we are your trusted display module manufacturing partner. Whether you require monochrome LCD modules, TFT displays, or AMOLED screens, we deliver the right solution for your small-to-medium size display needs.

Manufacturing Capacity Overview

We maintain a comprehensive manufacturing infrastructure to support both standard and customized display solutions:

• LCD Production: 2 dedicated lines handling 370mm × 470mm panels, with a monthly capacity of 60,000 units

• COG Modules: 13 fully automatic production lines, supporting 0.5”–8” display modules, with a capacity of 5 million units/month

• COF Modules: 5 automated lines for 0.5”–8” modules, delivering up to 1 million units/month

Our team includes 1,200+ employees, among which we have:

• 60 experienced technicians

• 80 professional QA specialists ensuring strict quality control

This robust production capability allows us to offer fast delivery, stable quality, and full OEM/ODM support for monochrome LCD, TFT display modules, and AMOLED screens.

Quality & Reliability Assurance

Reliability Test Equipment: 17 sets

Quality Inspection Equipment: 230+ sets

Quality Systems: Integrated MES system & ERP system for full-process traceability and control

MES Quality Process Flowchart

A MES (Manufacturing Execution System) quality process flowchart is a visualized roadmap that outlines each stage of the manufacturing process — from raw material intake, production planning, assembly, to final quality inspection and delivery.

This process ensures:

• Real-time production monitoring

• Traceability of materials and processes

• Integrated quality control at every step

• Continuous improvement through data feedback

By leveraging our MES system, we guarantee high manufacturing efficiency, product consistency, and customer satisfaction across industrial, medical, and smart device applications.

The Honor of Enterprise

Thanks to our innovation-driven development strategy, HEM continues to push the boundaries of the display technology industry. Over the years, we have been recognized with multiple honors and certifications, including:

• ISO9001 Quality Management System Certification

• ISO14001 Environmental Management System Certification

• Director Member of the Shenzhen Smart Wearable Device Industry Association

• Member of the National Medical Device Industry Association

• National High-Tech Enterprise Certification

These achievements reflect our ongoing commitment to technological excellence, sustainable manufacturing, and leadership in the small-to-medium size display module sector.

Location

Shenzhen Operation Center

Jiangxi Manufacturing Center

Jiangxi HEM Technology Co., Ltd. was established in 2016, with its headquarters located in Wanzai County, Jiangxi Province, China.

As a national high-tech enterprise, HEM specializes in the R&D, manufacturing, and sales of monochrome LCD modules, TFT LCD modules, and AMOLED displays, providing reliable and cost-effective small-to-medium size display solutions for global customers.

Looking ahead

In 2022, Huaersheng invested in a 106,667-square-meter Display Industrial Park, with a building area of 12,000 square meters. The park is designed to support large-scale and high-efficiency production, including:

• 2 LCD panel production lines (370mm × 470mm)

• 6 fully automated AMOLED production lines

• 30 fully automated COG AMOLED module production lines

This investment further strengthens Huaersheng’s manufacturing capabilities in small-to-medium size TFT, AMOLED, and monochrome display modules, ensuring high capacity, high precision, and stable delivery for global clients.

FAQ

Q1: What is the interface type of this LCD display?
A1: The display uses an SPI interface, widely compatible with many microcontrollers and embedded systems.

Q2: What is the brightness level of this module?
A2: The module has a minimum brightness of 500 nits, with typical brightness around 550 nits, ensuring clear visibility even in bright environments.

Q3: What is the working temperature range of this display?
A3: It supports a working temperature from -20℃ to 70℃, suitable for most industrial and wearable applications.

Q4: Is the display RoHS compliant?
A4: Yes, this product is fully RoHS compliant, meeting European environmental and safety standards.

Q5: What are the physical dimensions and viewing area of the display?
A5: The outline size is 26.2 x 58.44 x 1.35 mm, with an active area (AA) of 23.4 x 23.4 mm. The viewing direction is free, allowing flexible integration.

Q6: How should the touch panel (TP) and foam window be sized relative to the LCD?
A6: It is recommended that the TP V.A window opening be 0.4mm larger than the LCD A.A single side, and the foam window opening be 0.3mm larger to ensure proper fit and performance.

Q7: What driver IC is used in this LCD module?
A7: The display uses the ST7789P3-G6 driver IC, which supports efficient color rendering and SPI communication.

Q8: How is the display backlit?
A8: The display uses a 2-LED backlight with 40mA current, providing uniform and bright illumination.