What is a high refresh in the LED display screen?
1. Definition of the high-refresh LED display screen
High-refresh LED display, meaning the LED display with a high refresh rate. The refresh rate, simply put, is the number of times the screen updates the picture per second in Hz (Hertz). Generally speaking, LED displays with a refresh rate of 3840Hz and above are called high-refresh displays. This means that the screen can refresh the images 3,840 times per second, providing an extremely smooth, coherent visual experience.
2. Advantages and disadvantages of high-refresh LED display screen
High-refresh LED displays have significant advantages over traditional low-refresh-rate LED displays, but they also have some disadvantages. Here is a detailed analysis:
⑴ Advantages of a high-refresh LED display screen
① Improve the picture stability and fluency
High refresh rate LED display update the screen more frequently per second, such as 1920Hz, 1440Hz or even higher, which significantly reduces the picture tearing, delay and jitter phenomenon, making the dynamic image display more smooth and coherent, especially when watching fast-paced games or playing games, can provide a more stable screen display.
A high refresh rate also means faster response time, which takes less time between receiving the led screen and displaying new led screens, helping players capture details faster and make accurate judgments in competitive games.
② Enhanced visual comfort:
Due to the higher stability of the led screen, watching the led screen with a high refresh rate for a long time helps to reduce the fatigue of the eyes and improve the viewing comfort. This is especially important for users who need to face the screen for a long time.
High refresh rate can also effectively prevent the frequency strobe phenomenon, to avoid causing irritation and discomfort to the human eye.
③ Improve the competitive advantages:
In high-demand areas such as esports and games, high refresh rate screens can capture more frames, provide faster response times and more accurate motion capture, thus helping players gain a better competitive advantage.
④ Enhanced immersive experience:
In the fields of film and television entertainment, virtual reality and other fields, a high refresh rate can bring more delicate and realistic picture effects, and enhance users immersion.
⑤ Improve the picture clarity:
High refresh rate led screen can improve the clarity of the picture to some extent, especially when watching high-speed motion scenes, which can present a clearer and more realistic picture effect.
⑵ Disadvantages of a high refresh LED display screen
① Greater pressure on the graphics card:
The high refresh rate led screen requires higher graphics cards and requires higher performance to support the smooth led display, thus increasing the pressure and power consumption of the graphics card.
② It is more expensive:
High refresh rate LED displays are more expensive to produce, so the corresponding product will be more expensive. This may be a consideration for users with a limited budget.
③ The effect on eye fatigue degree varies from person to person:
While high refresh rate screens help reduce eye fatigue, different people feel the effect to different degrees. Some people may feel that the degree of eye fatigue level is not significantly reduced.
④ Large power supply consumption:
High refresh rate led displays typically require more power to maintain their operation, which can lead to greater power consumption. In terms of energy saving and environmental protection, it may be inferior to the low refresh rate display.
High-refresh LED display has significant advantages in terms of picture stability, fluency, visual comfort, competitive advantages and immersive experience, but it also has disadvantages such as greater pressure on the graphics card, higher cost and different impact on eye fatigue from person to person. In the selection, the user should balance the specific needs and budget.
4. Application scenarios of high-refresh LED display screen
Due to its high refresh rate feature, the high-refresh LED display shows unique advantages in multiple application scenarios. Here are some of the major application scenarios:
⑴ E-sports competitions and live sports events
① Advantages: In e-sports competitions and sports events, high refresh rate LED display can significantly reduce the picture drag and blur phenomenon, making the scene of fast movement more clear and natural. This is particularly important for occasions where high-speed led screen switching is required, which can improve the audiences watching experience.
② Example: In e-sports venues or sports events, the high-refresh LED display is often used as a display device beside the home screen or the audience to present the game picture and scoring information in real time.
⑵ Concert and concert
① Advantages: in concerts and other performances, the high refresh rate LED display can present a more smooth and coherent visual effect, with the music rhythm and performance content real-time transformation of the picture and color, to bring an immersive viewing experience for the audience.
② Example: In large concerts and concerts, LED displays are often used as stage background or props to show colorful visual effects.
⑶ Commercial advertising and publicity
① Advantages: In the field of commercial advertising and publicity, high refresh rate LED display can attract more audience attention, improve the publicity effect and commercial value of advertising. Through dynamic display of high definition images and video content, can effectively enhance brand awareness and product sales.
② Example: On the LED screens in commercial centers, shopping centers, airports and other public places, the high refresh rate makes the advertising content more vivid and attractive.
⑷ Conference room and lecture hall
① Advantages: in the conference room and lecture hall, high refresh rate LED display can clearly display presentation, data analysis and video materials and other content, improve the efficiency and participation of the meeting. Its high-contrast ratio and fast response speed also ensure that participants can clearly see the screen content, even in brightly lit environments.
② Example: In enterprise meetings, academic reports and other activities, the high-brush LED display screen is often used as the main display device to show the key information and data.
⑸ Monitoring center and control room
① Advantages: In the monitoring center and control room and other places that need to be displayed in real time, high refresh rate LED display can ensure the fluency and stability of the monitoring screen, and help decision makers to quickly refine key information and make accurate judgments.
② Example: In the traffic dispatch center, security monitoring center and other places, high brush LED screen is widely used to display traffic information, safety tips and monitoring screen and other content.
⑹ Other application scenarios
① Art exhibitions and museums: used to display art works and historical materials to provide an immersive experience.
② Outdoor billboards: with its high brightness, strong weather resistance and other characteristics, play an important role in the field of outdoor advertising.
③ Education and training: used as teaching tools in classrooms and training places, showing courseware, videos and experimental demonstrations.
High-brush LED display shows unique advantages in multiple application scenarios with its high refresh rate feature, providing audiences and users with more clear, smooth and coherent visual effects. With the continuous development and innovation of technology, the application prospect of high-brush LED display screen will be broader.
2. What is the low brush in the LED display screen?
1. Definition of the low-brush LED display screen
Low-brush LED displays refer to LED displays with low refresh rates, and common refresh rates include 1920Hz and below. While this refresh rate is sufficient for most daily viewing, it may not seem smooth enough in certain scenarios.
2. The advantages and disadvantages of the low-brush LED display screen
Low-brush LED display, compared with high refresh rate display, has certain advantages in certain scenarios, but it also has disadvantages that cannot be ignored. The following is a detailed analysis of its strengths and weaknesses:
⑴ Advantages of a low-brush LED display screen
Low cost of ①:
Due to the technical requirements and relatively low manufacturing costs, LED displays with a low refresh rate usually have more advantages in price. This is an important consideration for users with a limited budget.
② energy conservation and environment protection:
A lower refresh rate means a lower energy consumption, helping to save energy and reduce heat production. This is particularly striking in long-running occasions.
③ Visual stability:
An LED display with a low refresh rate in static or low-speed motion scenes also provides a stable visual experience. For some application scenarios that do not require rapid screen switching, such as static advertising display, low refresh rate screens can fully meet the demand.
⑵ Low-brush LED display disadvantage
① Lack of fluency:
Low refresh rate display in the need for high-speed screen switch occasions, may lead to the picture drag, blur, thus affecting the viewing experience. For example, in live sports events or esports, a low refresh rate screen may not clearly present fast movement scenarios.
② Slow response speed:
The long screen response time may not meet the application scenarios with high real-time requirements. In scenarios that require quick detail capture and accurate judgments, such as competitive games, low refresh rate screens can be a constraint.
③ visual fatigue:
Watching a screen with a low refresh rate for a long time may increase the eye fatigue due to the slow picture update speed. Especially in the case of watching more dynamic content, it is more likely to lead to visual discomfort.
④ Poor shooting effect:
When shooting a low refresh rate screen with a mobile phone or a professional shooting device, Moore lines or flicker may occur, affecting the shooting effect. This is especially bad in cases where high-quality video material is needed.
Low-brush LED displays have certain advantages in cost, energy saving and static visual stability, but they have significant disadvantages in fluency, response speed, visual fatigue and shooting effects. Therefore, when selecting LED display screens, they should be weighed according to the specific application scenarios and requirements. Low refresh rate screens may be an economical and practical option for limited budget or low real-time requirements, and high-speed screen switching, extreme viewing experience or high-quality video material.
4. Application scenarios of low-brush LED display screen
Low-brush LED displays are widely used in many fields due to their low cost, energy saving and environmental protection, and visual stability in static or low-speed motion scenes. Here are some of the major application scenarios:
⑴ Advertising display in static or low-speed motion scenes
① Outdoor billboards: LED display screen with its high brightness, strong weather resistance and other characteristics, has become the golden advertising space in the field of outdoor advertising. For displaying static or low speed changing advertising content, low brush LED display is enough to meet the demand, while lower cost, helping to save advertising operation costs.
② Inside the commercial complex: in shopping malls, shopping centers and other commercial complexes, low-brush LED display screens can be used to display static or low-speed changing publicity information and brand advertising, providing economic and practical publicity means for merchants.
⑵ Static information display and notification
① Schools, hospitals and other public places: these places often need to display notices, announcements and other static or low-speed change information. Low-brush LED displays offer their cost advantage and visual stability.
② Traffic guide information: in subway stations, bus stations and other traffic guide places, low brush LED display can be used to show static or low speed changing line information, arrival time, etc., to provide clear guide instructions for passengers.
⑶ Monitoring room and dispatch command center
① Monitoring room: Although the high brush LED display is also used in the monitoring room, the low brush LED display can also provide a stable visual effect when displaying the static or low speed changing monitoring screen, and the cost is lower.
② Dispatch command center: In the dispatch command center, the low-brush LED display screen can be used to display the static or low-frequency updated dispatch information, maps, etc., to provide clear information support for the command and dispatch personnel.
⑷ Static exhibition and display
Exhibition and museum: in exhibitions, museums and other places that need to display static or low-speed change exhibits information, low-brush LED display screen can be used to display exhibition introduction, exhibits information, etc., to provide visitors with clear guide and display services.
⑸ High demand for energy conservation and environmental protection scenarios
Green building and energy saving projects: In building projects and public facilities that emphasize green and energy saving, low-brush LED displays are widely used in a variety of information display and advertising display scenarios due to their low energy consumption characteristics.
⑹ matters need attention
Although the low-brush LED display is widely used in many fields, it still needs to be selected according to the specific application scenarios and requirements. For example, a high-brush LED display may be a more appropriate choice in scenes that require a high-speed change picture or seek the ultimate viewing experience. At the same time, with the development of technology and the reduction of costs, the application range of high-brush LED display screen is also expanding.
3. What are the differences between a high brush and a low brush?
1, picture fluency: high brush screen can significantly reduce the picture drag and fuzzy phenomenon, making the dynamic scene more clear and natural. In e-sports games, sports events and other occasions requiring high-speed picture switching, the advantage of high screen is particularly obvious. In contrast, low refresh may cause some picture blur or tearing in these scenes.
2. Visual comfort: watch the high brush screen for a long time, because the picture is more stable and smooth, it helps to reduce the fatigue of the eyes and improve the viewing comfort. And low refresh due to the slow picture update speed, long time watching may increase the eye fatigue.
3, shooting effect: when shooting videos or pictures, the high brush screen can present a clearer and more stable picture, and there will not be water ripples (Moore grain) phenomenon. And low refresh may appear obvious molar lines, affecting the shooting effect.
4. Application scenarios: High brush screen is widely used in e-sports venues, high-end cinemas, virtual reality equipment and other occasions with high picture quality due of its excellent picture fluency and visual effect. And low brush screen is more suitable for daily office, web browsing and static display and other basic application scenarios.
5. Cost and energy consumption: The manufacturing cost and energy consumption of high refresh are usually higher than low refresh. This is because the high refresh requires more advanced hardware configurations to support its high performance. However, with the continuous progress of technology and the emergence of scale effect, the cost of high brush screen is gradually decreasing, and the energy consumption efficiency is also constantly improving.
4. How does the user select the high brush and low brush LED display screen
When selecting the LED display, the user should weigh it according to the specific application scenarios and requirements. If there are high requirements for picture smoothness, visual comfort and shooting effect, it is recommended to choose high brush LED display; if mainly used for daily office, web browsing and static display scenes, low brush LED display is a more cost-effective choice. At the same time, the budget and energy consumption should also be taken into account to make the best choice for you.
In short, whether it is high brush or low brush LED display, it has its unique advantages and applicable scenarios. In the future, with the continuous development of digital display technology, we have reason to believe that the performance of LED display will continue to improve, and will bring users more colorful visual experience.