4-Inch High Contrast Round LCD Module with 720X720 Resolution

• Customization: Available
• Usage: Small-sized LCM
• Digital LCD Module Type: Metering Module
• Model NO.: VT-DXQ4D001
• Touch Screen Type: Customized
• Type: Color
• Response Time: 20ms
• Viewing Angle: IPS
• Display Technology: TFT
• DOT-Matrix Graphic LCD Module Type: Row/Column-Driven Control Type
• LCD Drive Mode: Static Drive LCD Module
• Customized: Non-Customized
• Transport Package: Anti-Static Bag+Tray+Cartons
• Specification: 40L*30W*25H(cm)
• Trademark: Vitech
• Origin: China
• HS Code: 8524110000
• Production Capacity: 400K/Per Month

Product Description

Part No:	VT-DXQ4D001	Size	4.0inch
Resolution	720*720Dots	Interface	MIPI
Outline Size	105.6*109.87*2.09(MM)	Operating temp	-20'C to 70'C
Contrast rate	1200:1	Storage temp	-30'C  to 80'C
View Anlge	IPS Mode 80/80/80/80	Pin No	30pins
Brightness	300cd(LED Backlight)	Active Area	101.52*101.52(MM)

Dongguan Chuang Zhi Hui Jia Technology Co., LTD is an experienced and professional designer & manufacturer of tft lcd display which includes IPS lcd display , wide temperature lcd display, anti-finger touch lcd display, water and dust proof lcd display, and sun readable lcd display with RTP or CTP etc.

With the advantages of high contrast, high brightness, fast response time, wide viewable angle and low power consumption, our products are widely used in Industrial automative equipment, Medical devices, Smart-home Devices, Educational electronics, Video Game Devices, Instruments, wearable device, POS machine etc.


Base on strong technical research and development capacity, excellent and stable quality, professional and thoughtful service, we has established long-term cooperative relationship with many respected customers from abroad. Customer representatives include: Hisense, Vatti, Besta etc.

On the basis of "quality is life", Our products are strictly compliant with ISO9001, ISO14001, CE and RoHS Standards.

On the basis of "customer is first", we have complete and fast after-sales service with highly flexible production capacity and on time delivery.




Packaging & Shipping & Delivery
1.Packaging Details:

1. For small size of product: Anti-static bag+ tray+carton
2. For bigger size of product: foam slot+carton.
3. we also design package if you have special requirement.

2.Shipping Details:
A. For small quantity order: By UPS Air-Express/DHL/FEDEX/TNT/ EMS Express.

1. For large quantity order: By buyer's cargo agent in China,
2. we can also ship by air or sea transportation by our cargo agent.

3.Delivery Details:

1. Ready-made Sample: within 1 week
2. Custom Sample: 1~2 weeks
3. Mass production: 3-4 weeks

FAQ:
 Q1: How can I get some samples?
A: Less than 3pieces:free of charge while you responsible for shipping cost.
B: More than 3pieces:refund or give a discount after placing mass production order.

Q2: What is the MOQ?
A: Different product has different MOQ. Please confirm with your sales manager.

Q3: How do you control quality?
A: All raw materials we purchase for each order are with high quality and strictly compliant with RoHs, ISO 9001:2008, ISO 14001:2004 management system.
B: Advance inspection instrument to ensure 100% inspection for every piece before shipment.48
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Q4: Does your product have any warranty?
A: Yes, we offer 12 months warranty for our products.

Q5: Do you offer custom solution?
A: Yes, we can offer custom solution if standard product is not your best choice.

Q6: What shall we do if we find any item missing or defective after receiving the goods?

A: Please contact us ASAP, we will check it and the best solution according to the situation.
 

1.What Are TFT LCD Displays?

A thin-film transistor liquid crystal display, TFT LCD display for short, is a type of LCD display that uses thin-film transistor technology to improve image quality.

2.How Do TFT LCDs Work?

TFT LCDs are made up of two main parts: the transistor array and the colour filter array.
The thin-film transistor array is the layer of transistors that are made of a material such as silicon. The array of transistors is connected to the control circuitry. The control circuitry contains the drivers that control the voltage applied to the transistors.
The colour filter array is the layer of the LCD that contains the colour filters. The colour filters are made of dyes or pigments and are arranged in a specific pattern. The most common patterns are RGB (red, green, blue) and CMYK (cyan, magenta, yellow, black).
When a voltage is applied to the transistor array, the transistors turn on and allow light to pass through. This light is then converted into an image by the colour filter array.

3.What is the Applications of TFT LCD Displays?
TFT LCDs are used in a wide variety of industries, including consumer electronics, computing, telecommunications, automotive, and medical to name a few. Specifically, they are used in:

• Computers and laptop computers
• Televisions
• Mobile phones
• Smartphones and tablets
• Video game consoles
• Digital cameras
• Portable media players
• GPS devices
• Industrial and medical equipment

4.What Are the Key Parts of a TFT Display Module?

In addition to the thin-film transistor array and the colour filter array, a typical TFT display module includes many parts.
1.Liquid Crystal Layer 2.Cover Glass  3. Backlight Unit  4.Touchscreen  5.Driver IC

5.What Are the Advantages of TFT LCDs?

TFT LCDs offer a number of advantages over traditional LCDs, including:

• Improved image quality
• Faster response time
• Lower power consumption
• Thinner and lighter weight
• Increased durability

6.What is IPS LCD?
An in-plane switching (IPS) monitor is a type of LCD (liquid-crystal display) monitor. It's made up of backlighting or a mirror behind a polarizer. These sit behind the liquid with crystals mixed into it. The monitor relies on perfect alignment of the liquid crystals to pass along the light to the next polarize.

7.Is an IPS LCD Screen good?
IPS panels are some of the best PC / TV monitors you can get, they're considered extremely colour accurate.

8.What is the lifespan of an IPS LCD screen?
On average, an LCD monitor-currently the most common type-can last anywhere from 30,000 to 60,000 hours of use. This translates to roughly 10 to 20 years if used for about 8 hours a day.

9.Is IPS LCD better for eyes?
Compared with AMOLED technology, IPS LCD displays emit less harmful blue light, are more beneficial to the eyes, and minimize the damage to the eyes caused by the display.