TN LCD Technology
AMOLED
VA LCD
Superior Contrast for
Immersive Viewing
Definition: VA (Vertical Alignment) LCD screen is a liquid crystal display technology characterized by the liquid crystal molecules aligning perpendicular to the screen surface when no current is passed, thereby blocking the backlight and displaying dark tones. When current is passed, the molecules rotate to a horizontal position, allowing the backlight to pass through and displaying bright tones. VA screens have excellent contrast and the ability to display deep blacks, but they have a longer response time than TN (Twisted Nematic) screens, and are slightly inferior in color accuracy and viewing angle width compared to IPS (In-Plane Switching) screens. VA screens are widely used in televisions and computer monitors, especially in applications that require high contrast.
Features
High Contrast Ratio
VA screens can provide very high contrast ratios because their liquid crystal molecules are able to block backlight more effectively when not activated, resulting in deeper blacks.
Improved Viewing Angles
Although not as good as IPS screens, VA technology provides better viewing angles than TN screens, especially vertical viewing angles.
Color Saturation
VA screens generally have good color depth and saturation, making the color display richer.
Slow Response Time
Compared with TN panels, VA screens have a slower response time, which may cause ghosting in fast-moving pictures
Price and Performance Balance
VA screens are generally between high-end IPS screens and low-end TN screens in terms of price and performance, providing users with a middle option.
Application Scenario
Televisions
VA (Vertical Alignment) screens are widely utilized in high-end television equipment due to their superior contrast and excellent black performance. This makes them especially effective for watching movies and TV shows in low-light environments, such as living rooms. The deep blacks and rich color reproduction of VA panels enhance the viewing experience, providing viewers with a more immersive and visually engaging experience.
Monitors
In security monitoring systems, VA screens are a popular choice for long-term monitoring scenarios. Their high contrast ratios and wide viewing angles ensure that security personnel can effectively monitor multiple feeds from various angles without losing image clarity. The stability of VA screens over prolonged periods makes them ideal for environments where continuous, reliable display performance is crucial.
Commercial Monitors
VA screens are highly favored in digital signage and information display applications due to their high contrast and stable viewing angles. These characteristics ensure that information and advertisements remain clear and legible from various viewing positions and distances, making VA panels a preferred choice for commercial settings where long-term display of dynamic content is required.
Office and Home Monitors
For computer monitors used in office and home environments, VA screens offer significant advantages. Their high contrast and eye comfort make them suitable for prolonged use, reducing eye strain during extended periods of work or leisure. The ability to maintain color accuracy and contrast even at different viewing angles enhances the overall user experience, making VA screens a popular choice for productivity and entertainment.
Gaming Monitors
While VA screens may not match the ultra-fast response times of TN (Twisted Nematic) panels, they are still used in some gaming monitors. The high contrast and vibrant color saturation provided by VA technology can significantly enhance the gaming experience, offering deeper blacks and more vivid colors that contribute to a more immersive gameplay environment.
Medical Imaging Equipment
In the medical field, VA screens are employed in monitors used for reading diagnostic images such as X-rays and MRIs. The exceptional contrast and image quality of VA technology are critical for accurate image interpretation and diagnosis, making these screens suitable for medical imaging applications where clarity and detail are paramount.
Automotive Displays
VA screens are also utilized in automotive displays, including instrument panels and center consoles. Their ability to provide clear readability under various lighting conditions, such as direct sunlight or nighttime driving, ensures that critical information remains visible and easy to read. This enhances driver safety and convenience by ensuring that display content is always accessible.
Professional Graphics and Photography Monitors
For professional graphics and photography, VA screens are well-suited due to their accurate color reproduction and high contrast. These monitors are essential for photo editing and graphic design, where precise color accuracy and detail are crucial for achieving professional results. The ability to maintain consistent color performance across different angles adds value for professionals who require reliable and high-quality display output.
Overall
VA screens excel in application scenarios that demand high contrast and wide viewing angles but do not require extremely high response speeds. Their performance in these areas makes them a versatile choice for a range of uses, from entertainment and security to professional and medical applications.
Color Saturation
VA screens generally have good color depth and saturation, making the color display richer.
Slow Response Time
Compared with TN panels, VA screens have a slower response time, which may cause ghosting in fast-moving pictures
Price and Performance Balance
VA screens are generally between high-end IPS screens and low-end TN screens in terms of price and performance, providing users with a middle option.
Here is Product Introduction of 7-inch VA LCD, Which is Mainly Used in Medical Displays.
High Contrast Ratio
Wide Viewing Angle
High Cost Efficiency
High Color Saturation
Here is Product Introduction of 7-inch VA LCD, Which is Mainly Used in Medical Displays.
TECHNICAL
SPECIFICATIONS
| Size
7 inch |
Display Area
154.2*93.24mm |
Viewing Angle
IPS |
Interface Type
LVDS(2 ch,8-bit) |
| Frame Rate
60Hz |
Storage Tem.
-30°C~80°C |
Contrast Ratio
1000:1 |
Outline Dimension
166.6*107*10mm |
| LCD TyPe
VA |
Resolution
800*RGB*480 |
Voltage supply
3.3V |
Brightness
250/350/480cd/m*.etc |
| Panel Type
LCD |
Operating Tem.
-20°C~70°C |
Surface Treatment
Hard Coating(3H) |
Response Time
10/5(TYP.)(Tr/Td)ms |
Advantages Compared to Other LCD Screens
VA (Vertical Alignment) LCD screens have the following advantages over other types of black and white displays (such as traditional TN LCD screens) when used as black and white display technology:
High Contrast
VA screens provide higher contrast, making blacks look deeper and whites brighter, which is particularly beneficial for reading text and viewing high-contrast images.
Better Viewing Angle Stability
Compared with TN screens, VA screens perform better in both vertical and horizontal viewing angles, reducing color shift and brightness changes, providing more stable visual effects.
Uniform Backlight Distribution
Due to its vertical alignment characteristics, VA screens can provide more uniform backlight distribution than TN screens.
Better Display Performance
Although VA screens do not have as fast response times as TN screens, the other visual advantages it provides (such as high contrast and stable viewing angles) generally make overall display performance better.
Suitable for Static Image Display
Due to the high contrast and stable viewing angle of VA screens, they are particularly suitable for static or slow-moving image displays, such as e-readers or signage displays.
In the field of black and white displays, especially e-book readers, electronic labels and other non-video content display applications, these advantages of VA screens can provide a more comfortable and higher-quality reading experience. However, for applications that require fast response times, such as certain types of interactive devices or gaming displays, VA screens may not be the best choice.
We offer VA (Vertical Alignment) customization services to meet your specific needs. Whether you need custom sizes, specific features or other customization requirements, we can provide solutions. VA technology has excellent black depth and contrast, suitable for a variety of application scenarios, such as high-quality TVs, monitors, etc. By working with us, you can get a customized VA display solution that best suits your project needs. Please feel free to contact us to learn more about our VA customization services.
Get Started with Kaihang Display
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