Why are customers pursuing HDR & how to achieve HDR display?

by | Jun 12, 2024 | How-To, Blog

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Customer Service

+86 755-33691736

E-mail

inquiry@dicolorled.com

Headquarters Address

No.13 Huiye Road ,Tangjia Community,Fenghuang Street, Guangming District, Shenzhen,China 518103

Shenzhen Dicolor Intelligent Technology(Dongguang) Co., Ltd Gate No.4-5, Building A-17, No.780 Xiecao Road , Xiegang Town, Dongguan, Guangdong, China

What is HDR?

“HDR” is the abbreviation of “High Dynamic Range”. “Dynamic range” refers to the amount of gray levels between the image’s “brightest point” and “darkest point”. The wider the dynamic range, the broader the image’s range of brightness and contrast. “HDR” refers to a processing technique that boosts the brightness and contrast range of photographs, and it has substantially enhanced the LED display screen’s image quality.

Sdr Vs Hdr 0

 

Why are customers pursuing HDR?

In order to achieve a perception closer to the human eye, and based on the limitations of existing equipment and technology, HDR’s PQ processing balances performance and maximizes efficiency, resulting in higher brightness and a larger color gamut, to restore the color that the human eye sees in nature.

 

Sdr Vs Hdr 2

 

How to achieve HDR display?

It is necessary to improve the five dimensions of the picture, namely brightness dynamic range, grayscale, color gamut, resolution, and frame rate.

 

Sdr Vs Hdr 3

 

1. Brightness dynamic range

HDR display requires a higher brightness dynamic range. Conventional LCD or other display methods only have a brightness range of 40-400nit, while LED display brightness can reach a brightness range of 0.5-1200nit. Compared with other display methods, The dynamic ratio of LED display brightness is larger and more in line with HDR display requirements.

 

Sdr Vs Hdr 4

 

2. Grayscale

The HDR display standard requires a video color depth of 10 bits. Compared with the conventional video color depth of 8 bits, the gray scale is expanded by 4 times. To achieve the HDR display effect, it is necessary to specially customize the video source and playback equipment that supports HDR mode, and LED display Can achieve up to 18Bit grayscale.

 

Sdr Vs Hdr 5

 

3. Color gamut

The color gamut requirement of the regular display SDR mode is RC.709, and the HDR color gamut is BT.2020. The color rendering index is much better than RC.709. The LED display color gamut is closer to the BT.2020 requirement and will be far away. The exotic beauty is restored to the greatest extent for you watching in front of the screen.

 

Sdr Vs Hdr 6

 

4. 4K resolution

The HDR video source format is 3840*2160 4K resolution. The LED display has unlimited combinations and free splicing characteristics and can be easily spliced into 4K and 8K resolution displays.

 

Sdr Vs Hdr 7

 

5. Frame rate

When playing some fast dynamic pictures, if the frame rate is too low, the dynamic pictures will appear jagged, smeared and other display abnormalities. The LED display can have a refresh rate of up to 2880-7680HZ and cooperate with the 60-120 frame picture input of the front-end playback device, effectively solving the problem of abnormal high-speed dynamic picture display.

According to Dicolor smart display product application practice, the HA series of small-pitch products offer unique advantages, such as high refresh rate, high gray scale, high contrast, high display color restoration, and screen ink color consistency, 160 excellent performance characteristics such as ultra-wide viewing angle, ease of installation, industrial-grade protective performance, and high cost-effectiveness stand out among comparable commercial display goods. It fits users’ core needs for advertising screens to “attract attention, traffic, and new customers” and is an excellent solution for indoor high-definition display industries such as conference applications and control centers.

 

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Dicolor is a global provider of LED displays. We show premium technology with cutting-edge technology and advanced innovations, providing LED display products, solutions,and services worldwide for rental stage events, ads billboards, commercial display, etc.

DICOLOR

Marketing Department, SHENZHEN DICOLOR GROUP CO.,LTD.

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