Customizable 2.1 inch Circular Lcd Display Smart Control Knob Screen Knob Lcd 480*480 resolution Switch Knob

Main Parameters Size 2.1-inch smart knob screen Resolution 480*480 Display Area Round screen Ø 53.9mm Appearance Size Round screen Ø 71.3mm Interface Type TTL serial port Storage Temperature -30~80℃ Working Temperature -20~70℃ Viewing Angle Full perspective Application Products Household Electric Appliances

Features:

TFT (Thin Film Transistor) display technology is currently one of the most widely used liquid crystal display (LCD) technology, especially in high-end displays, televisions and mobile devices dominate. TFT LCDS provide excellent image quality and performance by integrating a thin film transistor at each pixel to achieve precise control of the liquid crystal.

Working principle

Thin-film transistor: Each pixel is controlled by a thin-film transistor that precisely regulates the voltage applied to the liquid crystal layer. In this way, the brightness and color of each pixel can be independently controlled, resulting in high-resolution and high-contrast images.

• Active matrix drive: TFT displays use active matrix drive mode, so that each pixel can be refreshed independently, avoiding the crosstalk problem that may occur in passive matrix displays.

• Backlight: TFT LCD itself does not emit light, need to rely on backlight (such as LED or CCFL) to provide light. When light passes through the liquid crystal layer, the liquid crystal molecules adjust their arrangement according to changes in voltage, thereby controlling the amount of light passing through, and finally displaying the image on the screen.

Major advantage

1. High resolution and high color performance: TFT technology can support very high resolution, and has excellent color reproduction ability, suitable for graphic design, video editing and other professional applications.

2. Wide viewing Angle: Modern TFT displays usually use wide viewing Angle technology (such as IPS, VA), which can maintain good color consistency and contrast in a large Angle range.

3. Fast response time: Compared to earlier LCD technology, TFT displays have faster response times and can smoothly display dynamic content such as games and videos.

4. High contrast and black level: TFT displays, especially those using VA technology and local dimming technology, can provide extremely deep black levels in the black display, improving the overall contrast.

5. Energy saving: With the advancement of technology, the power consumption of TFT displays is continuously reduced, especially in the case of LED backlighting, further improving energy efficiency.

Applications

TFT LCDs are widely used in the following areas:

• Computer monitors and laptop screens

• Smartphones and tablets

• TV

• Medical imaging equipment

• Car display

• Industrial control panel

There are several different variations of TFT technology, including:

• TN (Twisted Nematic) : The earliest commercial TFT technology, with fast response time and low cost advantages, but relatively limited viewing Angle and color performance.

• IPS (In-Plane Switching) : provides a wider viewing Angle and better color reproduction for professional use.

• Vertical Alignment (VA) : With higher contrast and deeper black levels, it is suitable for applications that require high image quality.

With its excellent performance and wide application, TFT display technology has become one of the most mainstream display solutions in modern electronic equipment.

Production Application:

1.Industrial and automation

Such as industrial control,instrument, oiling machine, elevator,UPS,DISPENSER,Inverter,Commercial POS, food ordering machine, vending machine, information inquiry machine, advertising machine and game machine, printer, copier, multifunctional machine, office phone, video phone, Smart electricity/gas/water meters, power control meters and energy management,tester and detectors,etc.

2.Home appliance

White goods ( such as refrigerator, washing machine, air conditioner, Dish washing machine,Dehumidifier,Steam box,Oven,Tolite controller,Shower room controller,micro wave oven,Coffee machine,Rice cooker,Washing Machine,micro-wave oven,Refrigerator,Air condition), Kitchen appliances (such as kitchen ventilator, microwave oven, etc.) and small home appliances (such as rice cooker, etc.)Thermostat, intelligent energy management, building intelligence, security, Thermostat, energy management, security doorbell,etc.

3)Medical

Sphygmomanometer, blood pressure meter, blood glucose meter, thermometer,etc

4)Telecommunication,such as Wireless Interphone,communication device and so on .

Anhui Golden Vision Optoelectronic Technology Co., Ltd. is a high-tech enterprise specializing in R&D, production and sales of LCD and LCM. The company can quickly respond the customer's need and customize for customers on demand.

The company was established in 2011, The total investment of the project is 500 million yuan,covering an area of 44,117 m2. Existing products include LCD, LCM, VA,TFT,FPC. Products are widely used in instrumentation, household appliances,medical equipment, communication equipment,electrical instruments and equipment, power tools.

Golden Vision has passed IATF16949,1S09001 and lS014001 certifications. All products comply with the EU green directive RoHS.We have Class 100 dust-free workshops, automated molding and assembly equipment.Meanwhile the experienced practitioners provide a good production environment and hardware guarantee for products with high precision and high cleanliness requirements.

Golden Vision's factory laboratory has complete testing equipment, which can carry out all-round testing and testing. Product quality is strictly controlled by the company, and 100% full inspection of finished products is implemented.

With the mission of "Creating splendor and leading the vision", the company pursues first-class quality and technological innovation, and will continue to develop more and better products and serve every customer with heart.

1.Are you a manufacturer or trading company?

We are a manufacturer and have own factories.

2.Are you able to make customized design?

Yes, we can custom made products according to customers' request. We have own R&D team. We can offer you a professional design as per your request.

3.Can I get samples?

Sure, samples are available. For customized products, we can make samples for checking after opening models.

4.What is your MOQ?

For customized products, the first order will not ask for MOQ. Different sizes will have different MOQ. The exact number, please check with us.

5.How about shipping?

Most of customers would like to use Express way to ship. You can use your own forwarder to arrange shipping. You also can ask us to offer you the cheapest way as per your request.

6.How about Quality Guarantee Period?

12 months

7.Can I return the Model's Cost?

Yes.When your quantity reach our request, we can return this Model's Cost to you.

8.Can I have any special request for products?

Of course, please check with our sellers.

Contact us for the further informations.