In today's world, privacy is a luxury that we all crave. Whether it's our personal conversations or our online activities, we want to keep them away from prying eyes. And when it comes to our computer monitors, the need for privacy becomes even more crucial. With the increasing number of cyber threats and the rise of remote work, it's essential to ensure that our screens are shielded from unwanted viewers. But how do you measure your computer monitor for a privacy screen?
Don't worry; we've got you covered. In this article, I'll guide you through the process step-by-step, so you can safeguard your privacy and work with peace of mind.
Quick answer:
Measure the height and width of the viewable area of your screen, or measure the diagonal of your screen. Manufacturers will give the exact dimensions of their products. Based on my experience, a privacy screen should be a bit bigger than your screen.
Key Takeaways
- A privacy screen is a filter that reduces the viewing angle of a computer monitor to prevent others from seeing sensitive information.
- Privacy screens can also be used for TVs to protect privacy, reduce glare, and improve viewing experience.
- Different types of privacy screens include static cling, adhesive, hinged, and freestanding screens.
- When choosing a privacy screen, consider size, viewing angle, attachment type, and brand reliability.
- Privacy screens can provide visual privacy, reduce eye strain and damage, and have anti-microbial properties.
- Limited viewing angle is a potential drawback of using a privacy screen for televisions.
- To measure your screen size, measure diagonally from one corner to the opposite corner.
- Using a privacy screen on your laptop can protect confidential information.
- Follow manufacturer's instructions carefully when installing a privacy screen.
The rest of this article will explain specific topics. You may read them in any order, as they are meant to be complete but concise.
1. Understanding Privacy Screens for Computer Monitors

A privacy screen is a filter that is placed over the screen of a computer monitor to prevent others from viewing the contents of the screen. It is designed to protect sensitive information from being seen by unauthorized individuals.
The privacy screen reduces the viewing angle of the monitor, making it difficult for anyone who is not directly in front of the screen to see what is being displayed.
How do privacy screens work?
Privacy screens work by using a special filter that blocks the light waves that are emitted by the computer monitor. This filter is designed to only allow light waves to pass through at certain angles, which means that anyone who is not directly in front of the screen will not be able to see what is being displayed.
Why use a privacy screen?
There are several reasons why you might want to use a privacy screen for your computer monitor. Here are a few:
- Protect sensitive information: If you work with sensitive information, such as financial data or personal information, you might not want others to see what you're working on. A privacy screen can help keep that information private.
- Reduce glare: If you work in a brightly lit area or near a window, you might experience glare on your computer screen. A privacy screen can help reduce that glare and make it easier to see what's on your screen.
- Prevent screen damage: Privacy screens can also help protect your computer screen from scratches and other damage.
How to choose a privacy screen
When choosing a privacy screen for your computer monitor, there are a few things to consider:
- Size: Privacy screens are available in various sizes to fit different monitor sizes. Make sure you choose a screen that is the right size for your monitor.
- Attachment method: Privacy screens can be attached to the monitor using slide mount tabs or other methods. Make sure you choose a screen that is easy to attach and remove.
- Viewing angle: Different privacy screens have different viewing angles. Some screens only block the view from the sides, while others block the view from above and below as well. Make sure you choose a screen with the right viewing angle for your needs.
2. Reasons to Consider Using a Privacy Screen
When you watch TV, you likely don't want others to know what you're watching. A privacy screen can help prevent others from seeing what you're watching on your TV. This is especially important if you live with roommates or have guests over frequently.
With a privacy screen, you can keep your viewing habits private and enjoy your favorite shows without worrying about others seeing what you're watching.
In addition to protecting your privacy from others in your home, a privacy screen can also help protect your personal information from being collected by your TV. Many modern TVs collect consumer information, and while they do come with privacy disclosures in their user agreements, people may not understand what information their TVs collect or know about settings they can use to boost their privacy.
By using a privacy screen, you can ensure that your personal information remains private.
Reduce Glare and Improve Viewing Experience
Another benefit of using a privacy screen for your television is that it can help reduce glare and improve your viewing experience. Glare can be a major problem when watching TV, especially if you have a lot of windows in your home or if your TV is positioned in a bright room.
A privacy screen can help block out unwanted light and reduce glare, allowing you to enjoy your favorite shows without any distractions.
Additionally, privacy screens can help improve your viewing experience by blocking out unwanted light. This can be especially helpful if you're watching TV in a room with a lot of ambient light, such as a living room or kitchen.
By using a privacy screen, you can ensure that your viewing experience is as enjoyable as possible.
3. Exploring the Functionality of Privacy Screens
How Do Privacy Screens Work?
Privacy screens are like a set of vertical blinds for your television screen, but on a nanoscale. Most modern-day privacy screens are only the thickness of a common business card. The louvers in privacy screens are permanently set and are designed to block the view from left and right.
Four-way privacy screens are made with a second layer of privacy louvers at 90° from the vertical louvers, which are normally used on tablets and phones. The added layer of louvers makes the filter a little thicker and decreases the light transmittance, which needs to be compensated by increased screen brightness.
Maximum clarity is achieved when the filter is tight against the screen. There are two types of privacy screens: in the first kind, the back (screen side) of the filter is coated with a silicone which provides adhesion to the screen, like a screen protector.
A privacy screen protector plays a double role as a screen guard, preventing scratches on your display while also blocking unauthorized access to your private information.
Why Do You Need a Privacy Screen for Your Television?
Privacy screens work by restricting the viewing angle of your display, so spies or coworkers won't be able to view the data you’re working on. If you work from home or have a home office, a privacy screen is a must-have accessory.
It's also useful if you have roommates or if you like to watch TV in public places like coffee shops or airports.
Modern TVs collect consumer information, and the TVs come with privacy disclosures in their user agreements, which are typically displayed during the setup process. A privacy screen can help you protect your data from being collected and used by third-party companies.
4. Types of Privacy Screens: Which One is Right for You?
Before we dive into the different types of privacy screens available, please note that many televisions come with built-in privacy settings. Consumer Reports provides helpful information on how to adjust these settings for smart TVs, including turning off automatic content recognition (ACR) and smart TV snooping features.
This can be a great first step in protecting your privacy without needing an additional screen.
Types of Privacy Screens
If you're still not satisfied with your television's built-in privacy settings, it might be time to invest in a privacy screen. Here are some of the most common types:
- Static Cling Privacy Screens: These screens attach directly to your television screen using static electricity. They are easy to install and remove, but may not provide as much privacy as other types of screens.
- Adhesive Privacy Screens: Similar to static cling screens, adhesive screens attach directly to your television screen but use adhesive instead of static electricity. They are more secure than static cling screens, but may be more difficult to remove.
- Hinged Privacy Screens: These screens attach to your television frame using hinges and can be easily opened and closed. They provide more privacy than static cling or adhesive screens, but may be more expensive.
- Freestanding Privacy Screens: These screens are not attached to your television at all, but instead stand on their own. They can be moved around as needed and are a great option for outdoor televisions or large living spaces.
Choosing the Right Screen for You
When deciding which type of privacy screen is right for you, there are a few factors to consider. Firstly, consider the size of your television and the size of the screen you'll need. Secondly, think about how much privacy you need.
If you're just looking for a little extra privacy, a static cling or adhesive screen may be enough.
If you need more privacy, a hinged or freestanding screen may be a better option.
5. Choosing the Best Privacy Screen for Your Monitor
If you're someone who values privacy and security, then a privacy screen for your computer monitor is a must-have accessory. It's a simple solution that can protect your device, your data, and yourself from prying eyes.
But with so many options available, how do you choose the right one for your needs? Here are some factors to consider:
Size
The first thing to keep in mind when choosing a privacy screen is the size. You want to make sure that the screen fits your monitor perfectly. Some popular sizes include 21.5 inches and 24 inches, but there are other sizes available as well.
Make sure to measure your monitor prior to buying.
Viewing Angle
The viewing angle is another important aspect to consider. Look for a privacy screen that darkens the display when viewed at 30-60 degrees. This will prevent people who stand or sit on your left or right side from seeing what's on your screen.
It is fundamental to note that some privacy screens may darken the display too much, making it difficult for you to see as well.
Make sure to choose a screen that strikes the right balance between privacy and visibility.
Type of Attachment
There are different types of attachment methods for privacy screens. Some screens attach using magnets, while others use natural static cling. Choose the attachment method that is most convenient for you.
Magnetic screens are easy to attach and remove, but they may not be as secure as static cling screens.
Static cling screens, on the other hand, are more secure but can be more difficult to attach and remove.
Brand and Reliability
When it comes to privacy screens, please choose a reliable brand that offers high-quality products. Some popular brands include Kensington, 3M, and Skylarking. These brands have a reputation for producing high-quality privacy screens that are durable and effective.
Don't skimp on quality when it comes to protecting your privacy and security.
6. Advantages of Using a Privacy Screen
If you are concerned about your privacy while using your television, then a privacy screen may be a solution for you. Here are some advantages of using a privacy screen:
Visual Privacy
A privacy screen can provide visual privacy by shielding the screen content from casual onlookers. This means that people who are not directly in front of the screen will not be able to see what you are watching.
This is particularly useful if you live in a shared space or if you have guests over frequently.
The best part is that the privacy screen does not compromise the screen clarity, so you can still enjoy your favorite shows and movies without any distortion.
Eye Protection
Another advantage of using a privacy screen is that it can reduce eye strain and damage. Privacy screens provide glare and UV protection, which can be harmful to your eyes over time. Additionally, privacy screens can block blue light exposure by up to 30%, which is known to cause eye strain and disrupt sleep patterns.
By using a privacy screen, you can protect your eyes and enjoy your television for longer periods of time.
Anti-Microbial Properties
Some privacy screens are designed with anti-microbial properties that prevent bacteria growth on the screen. This is particularly useful if you have children or pets who frequently touch the screen.
By using a privacy screen with anti-microbial properties, you can ensure that your screen is clean and hygienic at all times.
Limitations of Privacy Screens
Please note that privacy screens are specifically designed for non-touchscreen devices. If your television has touch capabilities, then a privacy screen will not be effective. Additionally, privacy screens are only effective in concealing the contents of your display when viewed from the side.
Someone standing directly behind you can still view your display.
Finally, privacy screens must be used in a bright space, as they do not provide privacy protection in dark or dim lighting.
7. Potential Drawbacks of Privacy Screens
Privacy screens are a popular accessory for televisions, providing an added layer of security for users who want to keep their viewing habits private. However, there are some potential drawbacks to using a privacy screen that should be considered prior to buying.
Reduced Sensitivity
One of the main drawbacks of using a privacy screen for televisions is reduced sensitivity. Privacy screens are not optimized for touchscreen devices, which can reduce the sensitivity of the display.
This means that users may need to press harder or swipe more forcefully to get the desired result, which can be frustrating and time-consuming.
Limited Viewing Angle
Another potential drawback of using a privacy screen is limited viewing angle. A privacy screen is only effective in concealing the contents of your display when viewed from the side. This means that someone standing directly behind you can still view your display, which defeats the purpose of using a privacy screen in the first place.
Users should be aware of this limitation and position their television accordingly to maximize privacy.
Bright Lighting Required
Privacy screens must be used in a bright space, as they do not provide privacy protection in dark or dim lighting. This can be problematic for users who prefer to watch television in a dimly lit room or who want to use their television in a variety of lighting conditions.
Users should consider whether the lighting in their viewing area is sufficient to support the use of a privacy screen prior to buying.
Other Considerations
In addition to these potential drawbacks, there are other factors that users should keep in mind when deciding whether to use a privacy screen for their television. These include the cost of the screen, the ease of installation and removal, and the overall effectiveness of the screen in providing privacy protection.
Users should also be aware of any warranty or return policies associated with the screen they are considering, in case they are not satisfied with its performance.
8. Measuring Your Monitor for a Privacy Screen
Step 1: Determine the Type of Monitor
The first step is to determine if your device has a raised bezel or a flat front glass screen. If your device has a raised bezel, then you need to measure the screen size from the inside of the bezel.
On the other hand, if your device has a flat front glass screen, then you need to measure the screen size from the edge of the glass.
Step 2: Measure the Length of the Monitor Screen
Using a ruler or tape measure, measure the length of the monitor screen from one end to the other. Make sure you don't include the frame or structure around the monitor, measure only the viewing screen.
Step 3: Span the Tape Measure Diagonally
Span the tape measure diagonally across the screen to the opposite corner. This will give you the diagonal measurement of your screen.
Step 4: Read the Measurement
Read the measurement at the lower-right corner of the screen's visible area. Do not include the casing in the measurement. This is the screen size.
Step 5: Measure the Left and Top Sides
Measure the left and top sides of the screen's visible area. This will give you the aspect ratio of the screen.
Step 6: Determine the Aspect Ratio
Divide the top measurement by the left measurement to determine the aspect ratio. If the measurement is closer to 1.33, your screen is a standard full-screen size. If the measurement is closer to 1.78, the screen has a widescreen aspect ratio.
9. Using a Privacy Screen with a Laptop
What is a Privacy Screen?
A privacy screen is a polarized sheet that is placed over your laptop screen to limit the viewing angle to approximately 30 degrees on either side. This means that anyone who is not directly in front of your laptop won't be able to see what's on your screen.
The technology used in privacy screens is the same as that used in polarized eyeglasses to reduce glare directly in your eyes.
Types of Privacy Screens
There are different types of privacy screens available, and they can be easily installed using three installation methods, depending on the privacy screen you choose. Some privacy screens are magnetic, which attach to your screen's frame and are easily removable.
Others use the screen's natural static cling to apply directly to the screen.
Some laptops even come with an integrated privacy screen, such as HP Sure View, which can be turned on or off using specific key combinations.
Custom Fit for Your Laptop
Privacy screens are custom fit to your exact device, and there are privacy filters to fit any laptop. It is fundamental to choose a privacy screen that is the right size for your laptop to ensure that it fits properly and stays securely in place.
You can find privacy screens for all laptop brands, including Apple, Dell, HP, Lenovo, and more.
Benefits of Using a Privacy Screen
Using a privacy screen on your laptop has several benefits. Firstly, it protects your confidential information from prying eyes. You can work on sensitive documents, check your bank account, or browse the internet without worrying about someone seeing what you're doing.
Secondly, it reduces glare and reflections on your screen, making it easier for you to work in bright environments.
Lastly, it can also act as a screen protector, preventing scratches and other damage to your laptop screen.
10. Installing a Privacy Screen on Your Monitor: A Step-by-Step Guide
Privacy screens are a great way to keep your computer monitor safe from prying eyes. They can help protect sensitive information from being seen by anyone other than the intended recipient. Here is a step-by-step guide to installing a privacy screen on your monitor.
Step 1: Choose the Right Privacy Screen
Before you start, make sure to choose the right privacy screen for your monitor. It is fundamental to select one that is compatible with your monitor and fits properly. There are many different types of privacy screens available, so do your research to find the one that best suits your needs.
Step 2: Use Frameless Tab Holders
One of the easiest ways to install a privacy screen is to use frameless tab holders. These holders attach to the edges of your monitor and allow you to quickly and easily insert or remove the privacy screen.
Simply attach the holders to the edges of your monitor, then slide the privacy screen into place.
Step 3: Use Attachment Strips or Side-Mount Tabs
Another option is to use attachment strips or side-mount tabs. These can be attached directly to your monitor and provide a secure way to hold the privacy screen in place. Simply attach the strips or tabs to your monitor, then attach the privacy screen to them.
Step 4: Follow the Manufacturer's Instructions
Different privacy screens may have different installation methods, so please follow the manufacturer's instructions. Be sure to read through the instructions carefully before beginning the installation process.
Step 5: Test Your Privacy Screen
Once your privacy screen is installed, be sure to test it out to make sure it's working properly. Move around your workspace and try to view the screen from different angles. If the screen is working properly, you should only be able to see the information on the screen when you are directly in front of it.
Final reflections and implications

So, we've talked about how to measure your computer monitor for a privacy screen, but what about televisions? It's a valid question, and one that many people may not have considered. After all, we often think of privacy screens as something we use for our computers, but what about when we're watching TV?
The truth is, privacy screens can be just as useful for televisions as they are for computers.
Whether you're watching a movie with your family or catching up on your favorite show, a privacy screen can help ensure that your viewing experience remains private.
But how do you measure your television for a privacy screen? The process is actually quite similar to measuring your computer monitor.
You'll need to measure the diagonal length of your screen, as well as the height and width of the viewing area.
Once you have these measurements, you can start shopping for a privacy screen that will fit your television.
Just like with computer monitors, there are a variety of options available, so be sure to do your research and find the one that's right for you.
In the end, whether you're using a privacy screen for your computer or your television, the goal is the same: to keep your private information and viewing habits safe from prying eyes.
So, the next time you're settling in for a night of binge-watching, consider investing in a privacy screen to enhance your viewing experience.
In conclusion, privacy screens are not just for computer monitors, but can also be useful for televisions.
By measuring your television and finding the right privacy screen, you can ensure that your viewing experience remains private and secure.
So, the next time you're watching TV, think about how a privacy screen could enhance your viewing experience and keep your private information safe.
How to Measure Your Computer Monitor
Tip: Turn on the caption button if you need it. Choose 'automatic translation' in the settings button if you are not familiar with the english language. You may need to click on the language of the video first before your favorite language becomes available for translation.
Links and references
- 1. 3M measuring guide for privacy and screen protectors
- 2. Lifewire article on how to measure a computer screen
- 3. Computer Security PDF chart on how to measure a monitor for a 3M privacy filter
- 4. WikiHow step-by-step guide on how to measure monitor size
- 5. 3M instructions on how to measure your screen dimensions for custom privacy and screen protectors.
- 3m.com
- consumerreports.org
- androidauthority.com
- fixthephoto.com
- kensington.com
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