Choosing the Right LCD Display for EV Charging Stations

The display is one of the most visible parts of an EV charging station. It guides users through the charging process, shows charging status and energy information, provides operating instructions, and can also be used for payment or authentication.

For equipment manufacturers, however, choosing a suitable LCD display involves much more than selecting a screen size. An EV charging station may be installed indoors, in a parking garage, or outdoors in direct sunlight. It may also need to operate for long hours while dealing with rain, temperature changes, gloves, dust, and repeated touch interaction.

The right display therefore needs to match the actual working environment and the design of the charging station.

What Should You Consider When Choosing an EV Charging Station Display?

Different charging applications have different display requirements. Before selecting a specific LCD model, engineers should look at several key factors.

Brightness and Sunlight Readability

For outdoor EV chargers, screen visibility is often one of the first specifications to consider.

A standard indoor LCD may look perfectly clear inside an office or workshop but become difficult to read under direct sunlight. Outdoor charging stations can be exposed to strong ambient light, reflections and solar heat, making a high-brightness industrial LCD a more suitable choice.

Brightness should not be considered on its own. The optical structure of the display also affects outdoor readability. Optical bonding, anti-reflective treatment and anti-glare surfaces can help reduce reflections and improve the visibility of the displayed image.

For applications exposed to strong sunlight, engineers may consider:

• High-brightness TFT LCD panels
• IPS displays with wide viewing angles
• Optical bonding
• AR or AG surface treatment
• High-transmission cover glass
• Automatic or adjustable backlight control

The final brightness requirement should be determined according to the installation environment, enclosure design and optical stack.

Operating Temperature

EV charging stations are installed in many different climates. A charger in an indoor parking facility has very different requirements from one installed beside a highway.

Temperature changes can affect LCD response, contrast, backlight performance and touch operation. For outdoor equipment, a wide-temperature display can provide additional design margin compared with a standard commercial panel.

The appropriate temperature specification depends on the actual charger design. Instead of selecting a panel based only on a nominal temperature range, engineers should consider the temperature inside the enclosure, sunlight exposure, heat generated by the charging electronics and the expected installation location.

Touchscreen Performance

Many modern charging stations use touchscreens as the main user interface.

Users may need to select a charging mode, start or stop a session, enter information, view charging data or complete payment-related operations. For this type of HMI, the touch panel needs to work together with the LCD rather than being treated as a completely separate component.

PCAP touchscreens are commonly considered for interactive EV charging interfaces because they support multi-touch and can provide a clean front surface. Outdoor designs may also need to consider glove operation, water interference and the thickness of the cover glass.

Depending on the application, an LCD solution can be combined with:

• PCAP touchscreen
• Resistive touchscreen
• Cover glass
• Optical bonding
• AG/AR/AF surface treatment
• Customized touch controllers

The best configuration depends on the user environment and the host system.

Viewing Angle

A charging station is not always viewed directly from the front.

Drivers may approach the charger from different directions, and users may read the display while standing or moving around the equipment. A wide viewing angle can therefore make the interface easier to read from different positions.

IPS TFT technology is one option for applications where consistent image quality and wide viewing angles are important.

For public charging stations, it is useful to evaluate the complete display assembly rather than looking only at the LCD panel’s viewing-angle specification.

Interface and System Compatibility

An LCD can have excellent image quality and still be unsuitable if its electrical interface does not match the charging station’s controller.

Common considerations include:

• LVDS
• MIPI DSI
• RGB
• HDMI through an external controller or driver board
• Connector type and pin configuration
• Resolution
• Timing requirements
• Backlight power requirements

The display should be checked against the host processor, controller board and existing wiring before a final model is selected.

For engineering teams replacing an existing display, providing the original LCD model number, datasheet, connector information or photographs can make the matching process much faster.

LCD Size for EV Charging Stations

There is no single standard screen size for every EV charging station.

Compact wall-mounted chargers may use smaller displays, while public DC fast-charging equipment may require a larger interface for easier operation and better information visibility.

Common sizes for industrial HMI applications include:

• 4.3 inch
• 5 inch
• 7 inch
• 8 inch
• 10.1 inch
• 12.1 inch
• 15.6 inch

The appropriate size depends on the enclosure dimensions, viewing distance, UI layout and amount of information that needs to be displayed.

Rather than choosing a larger panel simply because it provides more screen area, engineers should consider the complete mechanical structure and user interaction requirements.

Don’t Forget the Mechanical Design

The LCD is only one part of an EV charging station HMI.

The final assembly may include the LCD module, touch panel, cover glass, housing, cables, driver board and sealing structure. If these components are designed independently, problems can appear later during assembly.

For outdoor charging equipment, the front-panel structure is particularly important. Water, dust, condensation, impact and repeated user interaction all need to be considered at the system level. Outdoor display references commonly emphasize the relationship between the display, touch layer, optical bonding and enclosure protection.

This is why it is often more efficient to discuss the complete display requirement with an engineering team before finalizing the LCD model.

How LEEHON Supports EV Charging Display Projects

LEEHON supplies industrial LCD displays for equipment manufacturers and system integrators, with experience in applications including industrial HMI, automation, medical equipment, transportation and outdoor equipment.

Our approach is not limited to supplying a single LCD module. We can help customers evaluate the display according to the actual application and integration requirements.

Industrial LCD Options

LEEHON supplies industrial TFT LCD modules from leading brands including BOE, AUO, Innolux, Kyocera, Tianma and IVO, as well as LEEHON displays manufactured by our own factory.

Depending on the project, customers can consider different combinations of:

• LCD size and resolution
• Brightness
• IPS or other panel technologies
• LVDS, MIPI and other interfaces
• Wide-temperature options
• Touchscreens
• Driver boards
• Adapter boards
• Cables
• Backlight solutions
• Cover glass
• Optical bonding
• AG, AR and AF treatments
• Customized housings

This gives engineers more flexibility when developing or replacing an EV charging station display.

Engineering Support From Model Selection to Integration

Selecting an LCD based only on size can lead to compatibility problems later.

LEEHON’s engineering team can help review the original display model, required dimensions, interface, brightness, resolution, touch requirements and operating environment before recommending a suitable option.

For replacement projects, customers can also provide the original LCD model number, photos, datasheet or basic equipment information. This can be useful when the original display has been discontinued or is difficult to source.

LEEHON Own-Factory Display Options

In addition to supplying selected industrial LCD brands, LEEHON also offers displays manufactured by its own factory.

Our own-factory range covers small industrial displays through larger-format panels, allowing customers to consider standard products as well as customized display solutions depending on the project.

For projects requiring a combination of LCD, touch, driver board, cable or mechanical components, a coordinated solution can also simplify sourcing and integration.

A Practical Checklist for EV Charging LCD Selection

Before sending an RFQ, it is useful to prepare the following information:

Requirement	Example
Application	AC charger / DC fast charger
Installation	Indoor / outdoor
LCD Size	7 inch / 10.1 inch / 15.6 inch
Resolution	1024 × 600 / 1280 × 800 / 1920 × 1080
Brightness	Standard / High brightness
Touch	None / PCAP / Resistive
Operating Temperature	Standard / Wide temperature
Interface	LVDS / MIPI / RGB / HDMI
Viewing Angle	Standard / Wide viewing angle
Optical Treatment	AG / AR / Optical bonding
Quantity	Prototype / Small batch / Mass production
Existing Model	Original LCD model number

Providing these details allows the engineering team to focus on compatible solutions instead of simply recommending a display based on screen size.

Why Choose LEEHON for Your EV Charging Display Project?

LEEHON combines industrial LCD sourcing with engineering support for display integration.

16+ Years of Industrial Display Experience
Experience across industrial HMI, automation, transportation, medical equipment and other professional applications.

Wide Range of Industrial LCDs
Access to selected BOE, AUO, Innolux, Kyocera, Tianma and IVO displays, together with LEEHON own-factory products.

Complete Display Solutions
LCD modules can be combined with touchscreens, driver boards, cables, adapter boards, backlight solutions, cover glass and other supporting components.

Engineering Support
Our engineering team can help with model selection, compatibility checks, replacement options and customized display requirements.

Strict Quality Control
Displays are checked before shipment to help ensure stable product quality and reliable delivery.

Global Shipping
LEEHON supports customers worldwide with industrial display sourcing and international shipping.

FAQ

What size LCD is commonly used in EV charging stations?

The required size depends on the charger design and user interface. Smaller chargers may use compact displays, while public charging stations can require larger panels such as 7 inch, 10.1 inch or 15.6 inch displays.

Does an outdoor EV charger need a high-brightness LCD?

For installations exposed to direct sunlight, high brightness is usually an important consideration. However, brightness alone does not determine outdoor readability. Optical bonding, AR/AG treatment, cover glass and enclosure design should also be considered.

Can LEEHON provide a touchscreen together with the LCD?

Yes. Depending on the project, LEEHON can provide LCD modules with PCAP or resistive touchscreens, as well as supporting components such as cover glass, cables, driver boards and adapter boards.

Can you help replace a discontinued EV charging station LCD?

Yes. Send the original LCD model number, photos or available specifications. Our engineering team can check dimensions, interface, resolution, brightness and other parameters to identify potential replacement options.

Can LEEHON provide customized EV charging displays?

Yes. Depending on the project requirements, customization can include touchscreens, cover glass, optical bonding, AG/AR/AF treatments, cables, driver boards, backlight solutions and mechanical integration.

How can I request an EV charging LCD quotation?

Email market@leehon.com with the LCD model number, required quantity and application. If you do not have the model number, send photos and basic dimensions. Our engineering team can help review the requirement and recommend suitable options.

Conclusion

Choosing an LCD for an EV charging station is an engineering decision rather than simply a screen-size decision.

Brightness, optical performance, operating temperature, touch response, viewing angle, interface compatibility and mechanical integration all affect the final result. For outdoor charging equipment, these factors become even more important because the display must remain usable in changing weather and lighting conditions.

With industrial LCD sourcing, own-factory display options and engineering support, LEEHON can help EV charging equipment manufacturers and integrators move from an initial LCD requirement to a practical display solution.

If you are working on an EV charging project, send the original display model or your basic requirements to market@leehon.com. Our engineering team can help you check the options.