4.0 inch TFT LCD Panel, Round Display, MIPI, 720x720, 1000Brightness

Model: HG040HH005T02

Size: 4.0 ” Diagonal | 720×720 Pixels

Display Type: IPS Display

Touchscreen:Custom

Interface:MIPI

Resources: Specifications| 2D Render

  • Description
  • Quality Criterion
  • FAQ
  • Support

HG040HH005T02 | 4.0 inch TFT LCD Panel |  Round Display | MIPI |720x720  | 1000 Brightness

This 4.0-inch round TFT LCD Panel (model HG040HH005T02) features an IPS display with a 720x720 pixel resolution, delivering clear and vibrant visuals with a 1:1 square resolution tailored for circular display applications. The panel adopts a Normally Black display mode with an all-direction optimal viewing angle, ensuring consistent image quality from any perspective.

Boasting a high luminance of 1000 nits (cd/m²), this display offers exceptional visibility even in bright outdoor environments or under direct sunlight, keeping your content clear and easily readable in any lighting condition. It is equipped with a MIPI interface for reliable and efficient data transmission.

The module dimensions are 107.60 x 111.87 x 3.80 mm (W x H x D), with an active display area of 101.52 x 101.52 mm (W x H), perfectly suited for smartwatches, wearable devices, industrial control panels, and other products requiring a round display. Hongguang Display also offers custom touch screen solutions, including both capacitive and resistive touch options to meet different project needs.

The panel operates reliably across a wide temperature range of -20~+70°C, with a storage temperature range of -30~+80°C, making it suitable for various industrial and outdoor applications. Additionally, the materials used are RoHS-compliant, ensuring environmental friendliness and compliance with international standards.

With its unique round shape, high brightness, and customizable features, this TFT LCD Panel brings a modern aesthetic and immersive visual experience to your devices.

Diagonal

4.0 (inch)

Resolution

720x720 (pixel)

Display Type

IPS

Display Mode

Normally Black

Optimal View

ALL

Touch Screen

Custom

Module Dimensions

107.60X111.87 X3.8(mm) (W x H x T)

Active Area

101.52X101.52(mm) (W x H)

Luminance

1000(TYP)cd/m²

Interface

MIPI

Operating Temperature

-20~+70 (°C)

Storage Temperature

-30~+80 (°C)

To ensure the quality of our products, we have implemented a series of quality control measures.

 

Production process control

We strictly control every aspect of our production process, including material selection, production technology, and equipment maintenance.

Our production process has been optimized to ensure that our LCD displays meet the required quality standards.

Automated testing equipment

We have introduced advanced automated testing equipment to comprehensively and quickly test all aspects of our LCD displays.

Automated testing equipment increases testing efficiency and accuracy, providing essential support to our quality assurance efforts.

Manual testing

Although automated testing equipment can comprehensively test all aspects of LCD displays, manual testing is still an essential part of our quality assurance process.

Our professional-quality management team conducts manual testing on every LCD display to ensure that our products meet the required quality standards.

Sampling inspection

We implement sampling inspection throughout the production process to ensure that each batch of LCD displays meets the required quality standards.

Our quality management team conducts sampling inspections at each stage of production.

Quality management systemWe have established a comprehensive quality management system, including the development of strict quality standards, the establishment of a sound quality management process, and the training of professional quality management personnel.
Supervision and inspectionWe regularly invite third-party inspection agencies to conduct supervision and inspection of our production process and products to ensure that we comply with quality management systems and standards.
After-sales serviceWe provide comprehensive after-sales service, including product quality guarantee periods, product maintenance, returns, and exchanges. Our after-sales service ensures that consumer rights are protected, increasing customer satisfaction and loyalty.

Example Code

If you’re looking to prototype and test with our display, we offer an example code library to help you get started. This library includes sample code that you can use as a starting point for your own projects.

IC Datasheets

If you need, we will provide IC Datasheets to you to help you complete the development process. With these resources at your fingertips, you can quickly and easily prototype and test your display designs.

Product Specification

Each of our products has a link to download the specification. You can find the product and browse by our TFT LCD display, OLED display, custom display, and LCD controller board, and click the product name to access the product specification details.

Technical Support

We provide the highest quality and most professional technical support services. If you have any issues or need assistance with our LCD screens, our technical support team is always ready to help and support you.

Solution Support

In addition to providing design and manufacturing services for LCD screens, we also provide comprehensive program support services to help customers realize their unique display requirements. Our scheme support services include comprehensive support from preliminary concept to complete design

Custom support

We provide a variety of customization options according to customer needs, such as screen size, resolution, brightness, contrast, touch technology, appearance design, etc. Our team can also provide technical guidance and design advice to help customers choose the best LCD solution.

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