What is your minimum order quantity (MOQ)?

Our standard MOQ is 1,000 units, as we are a manufacturer specializing in LCD displays.

What shipping methods do you offer?

Shipping options can be discussed based on your preferences and requests.

High-Resolution 4.0-Inch Round TFT LCD Display for Industrial Use2.

Name: High-Resolution 4.0-Inch Round TFT LCD Display for Industrial Use2.
Brand: Shenzhen Rongguanghui Optoelectronics Technology Co., Ltd
SKU: 2241240935

Guangdong, ChinaShenzhen Rongguanghui Optoelectronics Technology Co., Ltd

US$2.00

1 Piece

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Usage

Small-sized LCM

Digital LCD Module Type

Transmissive TFT

Model NO.

RT40HD008B

Touch Screen Type

Piezoelectric

Type

LCM

Response Time

Viewing Angle

IPS

Display Technology

TFT

Customized

Driving IC

St7703

Luminance

330 CD/M2

Viewing Direction

All

Resolution

720*720

Transport Package

Standard Exprotation Package

Trademark

RGH

Origin

Shenzhen

HS Code

8531200000

Production Capacity

3.5kk

Key features

High Resolution Display: 720x720 pixels with 262K color depth for clear visuals.

IPS Viewing Angle: 170-degree viewing angle with 80-85 degree range for all directions.

Customization Support: Full customization available including driving IC, luminance, and logo printing.

Long LED Lifespan: Backlight LED life up to 35,000 hours for extended durability.

Fast Response Time: Response time of 35ms ensures smooth image rendering.

High Contrast Ratio: Contrast ratio up to 1200:1 for deep blacks and bright whites.

OEM/ODM Services: Flexible customization from samples, designs, or full custom solutions.

Company profile

Importers and ExportersIn-stock CapacityQA/QC InspectorsR&D Capabilities

Shenzhen Rongguanghui Optoelectronics Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.54h

AI-Powered supplier vetting

SummaryThe supplier designs, develops, and sells LCD modules, capacitive touch screens, photoelectric products, digital products, game consoles, smart wearables, Bluetooth headsets, children's cameras, monitors, and related electronics. It reports broad customization and ODM/OEM capabilities, available SDK support, recent new-product activity, patents, and eight R&D engineers. ISO9001:2015 and ISO14001 are listed. Service procedures, corrective-action processes, and complaint-handling records are stated to exist. Production-related equipment and in-stock capability are reported, but there is no valid manufacturing contract with related subcontractors. Overseas service coverage is limited: no overseas warehouse, showroom, agent, or branch is reported. Financial records are referenced for 2022–2024, but the provided information does not show their results. Customer evidence includes cooperation with Fortune 500 companies, OEM service for popular brands, and a repeat-buyer preference of 50%–80%.

CertificationsISO9001:2015 and ISO14001 are explicitly listed as management-system and sustainable-development certifications, with “Others” also stated. The slices do not provide certificate numbers, validity dates, or scope, but they do explicitly evidence certification holding.

After-Sales capabilityThe supplier reports written procedures and followed records for service assessment, corrective and preventive actions, and customer complaint handling. However, it has no overseas warehouse, showroom, agent, or branch, so the evidence supports formal service processes but limited overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year, ODM services, an available SDK, multiple invention and practical patents, and eight R&D engineers. These items directly support active product development and technical innovation capability.

Production capacityThe supplier lists automated BL assembly, SMT and binding lines, aging and environmental test equipment, salt-spray and tensile testers, and inventory capability. A material control concern is that no valid contract exists between the factory and related subcontractors, while the slices do not quantify capacity or output.

Customization capabilityBoth R&D and design-service records list customization from samples, designs, full customization, flexible customization, and minor customization. ODM availability and recent new-product activity further support the supplier’s ability to handle customized development.

Client casesThe supplier states that it provides OEM services to popular brands, has cooperated with Fortune 500 companies, and participated in the 2024 Global Sources Indonesia trade show. The reported repeat-buyer preference of 50%–80% is additional supporting evidence, although no customer names or project details are supplied.

Product Q&A

Q:What are your payment terms?

We typically accept T/T and PayPal. Other payment terms can be negotiated based on mutual agreement.

Q:What is the lead time?

For sample orders, the lead time is usually 3 to 5 days if the items are in stock. For mass production, it typically takes 3 to 5 weeks, depending on the quantity and product specifications.

Q:Do you support custom logos on LCMs?

Yes, we offer custom logo printing on LCMs. Please send us your detailed inquiry, and our sales team will get in touch with you as soon as possible.

Q:How can I place a sample order?

Simply send us your inquiry, and our sales team will contact you promptly to assist with your order.

Q:What sizes of LCD displays do you offer?

We provide TFT LCD displays ranging from 0.96 inches to 21.5 inches.