Do you offer custom solution?

Yes, we can offer custom solution if standard products couldn't meet buyer' requirements.

4.0 Inch 720X720 Smart Home Round LCD Display IPS View Angle with RGB Interface

Name: 4.0 Inch 720X720 Smart Home Round LCD Display IPS View Angle with RGB Interface
Brand: RONBO ELECTRONICS LIMITED
SKU: 2221272365

Guangdong, ChinaRONBO ELECTRONICS LIMITED

US$23.00

2-99 Pieces

US$22.40

100-999 Pieces

US$22.00

1,000+ Pieces

Sample price:US$23.00/piece.Request sample

Product profile

Customization

Available

Usage

Small-sized LCM, Round Display

Type

Color

Model NO.

RB040M30H01A-GF03A

Response Time

10ms

Viewing Angle

IPS

Display Technology

TFT

Customized

Screen Size

4.0"

Display Type

IPS

Resolution

720*720

Module Size

123.5*123.5*5.3mm

Active Area

φ101.52mm

Brightness

850CD/M²

Backlight

5s2p=10 Wled

Interface

RGB 24bit, FPC 30pin, Pitch:0.5mm

Specification

Rohs

Trademark

Ronbo

Origin

Shenzhen, China

HS Code

901383010

Production Capacity

500000

Key features

IPS View Angle Technology: Provides wide viewing angles with accurate color reproduction for smart home applications.

Customizable Backlight Brightness: Backlight brightness can be customized according to specific customer requirements.

Touch Panel Options Available: Capacitive and resistive touch panels or demo boards are available as optional accessories.

RoHS Compliant Materials: All materials used are high quality and comply with RoHS environmental standards.

ISO 9001 Certified Quality: Manufacturing process controlled by ISO 9001:2008 and ISO 14001:2004 management systems.

Fast Sample Delivery: Ready-made samples delivered within 1 week; custom samples within 1 to 2 weeks.

12 Months Warranty Coverage: Comprehensive 12-month warranty provided for all mechanical and functional defects.

100% Pre-shipment Inspection: Advanced inspection instruments ensure every single piece is checked before shipping.

Company profile

RONBO ELECTRONICS LIMITED

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2016-06-07Nearest Port: shenzhen portAverage Response Time: ≤9.39hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): EXW

AI-Powered supplier vetting

SummaryRonbo Electronics Ltd. is identified as a China-based manufacturer/factory and limited company located in Shenzhen, Guangdong, supplying LCD, TFT, IPS, graphic, character, touch-panel, and OLED-related products. The supplier reports four production lines, 50 years of combined R&D engineer experience, 6–10 quality-control staff, and TFT LCD module output of 3,600,000 pieces. It lists ISO 9001, ISO 14001, and OHSAS/OHSMS 18001 certifications. Evidence supports production, product customization, and management-system strengths. However, the provided information does not sufficiently establish after-sales service capability, financial credibility, innovation performance, or customer cases. The records also contain differing classifications: one slice identifies the entity as a manufacturer/factory, while another describes the company nature as a trading company.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory and as Ronbo Electronics Limited, with a Shenzhen, Guangdong address and stated production of LCD, TFT, and IPS modules. However, another record classifies the company nature as a trade company, creating a classification inconsistency that should be verified.

CertificationsThe supplier reports holding OHSAS/OHSMS 18001, ISO 14001, and ISO 9001 certifications. These stated certifications provide explicit evidence of formal occupational health and safety, environmental, and quality-management systems.

R&D capabilityThe supplier reports 50 years of total R&D engineer experience and offers multiple display technologies and configurations, including TFT, IPS, touch panels, COB/COG graphic modules, and varied backlight and color combinations. This supports product-development experience, but no evidence confirms proprietary technology, patents, recent innovations, or dedicated R&D facilities.

Production capacityThe supplier reports four production lines, 6–10 quality-control staff, and TFT LCD module output of 3,600,000 pieces, while describing production of small- to medium-sized LCD, TFT, and IPS modules. These stated facilities, staffing, and output figures explicitly support production capability.

Customization capabilityThe supplier explicitly offers customized and standard mono character LCD modules and COB/COG graphic LCD modules, with different colors, backlights, and LCD-type combinations. This is direct evidence of customization capability for display products.

Product Q&A

Q:How can I get some samples?

We don't provide free one, but we can have a discount when you reorder according to different quantity, and you will win at least 3% discount.

Q:What is the MOQ?

It depends on different products. Please keep in touch with sales to confirm the MOQ.

Q:How do you control quality?

All materials we purchase for making any orders are high quality and RoHS compliant, and Control quality with ISO 9001:2008, ISO 14001:2004 management system. Advance inspection instrument and equipment to ensure 100% inspection for each and every piece before shipment

Q:Does your product have any warranty?

Yes, we offer 12 months warranty for our products.

Q:What's your payment method?

Payment: T/T, Paypal, Western Union, etc. For samples: payment in advance. For mass production: 30% deposit and 70% balance before shipment.