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Home»Electric»What is the actual refresh rate on television? How does it work
Electric

What is the actual refresh rate on television? How does it work

Technology ExpertBy Technology ExpertJune 12, 2020No Comments4 Mins Read
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When buying television I just found out that some of you often care about the frequency at which a television scans. Here, you along with you to find out about the true frequency of scan on TV? What do they mean? What is the effect? Through this article for reference offline!

Contents hide
1. What is the actual refresh rate on the television?
– Define
– Unit of measurement of actual sweep frequency
2. What is the actual refresh rate on the television?
3. Scanning frequency parameters on popular TV today
– SONY TV
– LG TVs
– Samsung TVs

1. What is the actual refresh rate on the television?

Before I learn about the actual scan frequency, I will briefly introduce the frequency on TV for you to understand better.

The TV’s refresh rate (also known as its motion ratio) is the speed at which the TV displays a new image (calculated within 1 second). The unit of frequency sweep is called Hz.

Image depicting true refresh rate

Real 60Hz and 120Hz refresh rate images on LG TVs

In the same firm, the higher the scan frequency, the smoother and smoother the moving images.

– Define

The TV’s actual refresh rate is the number of frames per second controlled by the TV’s background. Put simply, this is the number of characteristic frames that your eyes can see in a second.

For example, a television with a real refresh rate of 120 Hz means that it can project 120 “different” frames within 1 second.

Actual refresh rate on television

The number of frames the eye can perceive in 1 second

– Unit of measurement of actual sweep frequency

Similarly, the actual refresh rate also has a measurement unit of Hz based on the number of frames per second that the human eye can see displayed on the screen.

2. What is the actual refresh rate on the television?

This refresh rate will boost when you watch fast-moving scenes on TV (action movies, sports, racing games, …).

At this time, the higher the frequency of a television set, the smoother the view will be, the more “eyesight” will be.

The effect of real sweep frequency

Real refresh rate helps improve the smooth quality of the picture

In fact, with most flat-screen TVs currently available on the market, the lowest true frequency is found 50Hz, higher lines are about 100Hz, 120Hz or 200Hz.

3. Scanning frequency parameters on popular TV today

Television companies often avoid referring to the actual frequency of the scan, but instead use separate names for the frequency at which they are scanned (Example: Motionflow ™ XR 1200Hz), which are called “virtual sweep frequency”.

So, instead of using the actual scan frequency, each TV brand has a very attractive sounding name for its own virtual sweep frequency (image index): Samsung calls Motion Rate technology, LG called TruMotion, Sony called Motionflow, Panasonic called Image Motion, …

Scanning technology on Sony TVs

Motionflow XR Technology 200Hz above Sony 4K 4K TV KD-43X8000G

The results of these technologies do not change the actual scanning frequency of the television, but change the “feel” of the user when looking.

– SONY TV

Here are some samples for your reference:

+ Normal TV

Motionflow ™ XR 100 Hz scanning technology on the product Sony TV 32 inch KDL-32R300E .

Sony TV 32 inch KDL-32R300E

+ Android TV

Motionflow ™ XR scanning technology 200 Hz on the product Sony 4K 4K TV KD-43X8000G.

Motionflow ™ XR Auto image scanning technology on the product Sony 4K 65 inch OLED TV KD-65A9G .

Motionflow ™ XR 800 Hz scanning technology on the product Sony 4K 55-inch TV KD-55X8500G

Sony 4K 55-inch TV KD-55X8500G

X-ray scanning technology – Motion Clarity on the product Sony 4K 55-inch TV KD-55X9500G

Motionflow ™ XR scanning technology on the product Sony 4K 55-inch Sony OLED TV KD-55A8G

+ Smart TV

Motionflow ™ XR scanning technology 200 Hz on the product 40 inch Sony TV KDL-40W650D

40 inch Sony TV KDL-40W650D

– LG TVs

Refer to the scanning technology of some LG Smart TV models:

4K HFR scanning technology on TVs LG 4K 65 inch 65W8PTA Smart OLED TV

LG 4K 65 inch 65W8PTA Smart OLED TV

LG 4K 49 inch Smart TV 49SM8100PTA

LG 4K Smart TV 43 inch 43UM7400PTA

LG 4K Smart TV 43 inch 43UM7400PTA

– Samsung TVs

Smart TV QLED Samsung 4K 65 inch QA65Q65R 200 Hz true refresh rate

Smart TV QLED Samsung 4K 43 inch QA43Q60T Scanning technology Auto Motion Plus

Smart TV QLED Samsung 4K 43 inch QA43Q60T

Above are some specific brands and samples for your reference. In addition, you can refer to other brands such as TCL, Casper, SANCO, FFalcon … at the website of Electronics BLUE To choose the right product for me!

Thank you for watching the news.

Technology Expert
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