IPS panel evolution 4 color HDR TV technology full resolution

In 2016, 4K TVs that have experienced years of development have completely penetrated into the mainstream consumer market, followed by HDR technology as a new hot spot. Televisions launched by major TV brands are all focused on HDR technology. Judging from the test experience and measured data of many TV products, HDR technology is obviously improving the picture quality. Among them, we found that TV products based on 4-color HDR LCD panels performed particularly well. So, what is special about LG Display?
LG Display is the world's largest maker of panel products and has an unpredictable display technology reserve. OLED display screens that are admired by the world and IPS hard screens that are loved by mainstream users all prove this. In the new year, in order to meet the demand of 4K HDR era, LG Display has launched a new 4-color HDR TV panel, which truly brings HDR technology to the homes of ordinary people, and also upgrades the popular IPS hard screen to New level.

IPS hard screen strong upgrade - 4-color HDR

Speaking of IPS hard screens, it can be described as a far-flung broadcast. LG Display's “golden signboards” not only caused many TV manufacturers to “submit”, but IPS hard screens also left us a good reputation for durability, reliability, and cost-effectiveness. The 4-color HDR LCD panel is based on the IPS hard screen. The HDR technology is directly embedded on the circuit board and the HDR characteristics are integrated into the blood source of the LCD panel. This is the most essential difference between the 4-color HDR LCD panel and other LCD panels.
The 4-color HDR LCD panel not only has a more perfect HDR source, but also has features such as an ultra-wide viewing angle, high brightness, and low power consumption. More importantly, the 4-color HDR LCD panel continues the IPS hard screen with a wide viewing angle. The high degree of color reproduction, which is of great significance to the mainstream consumer groups, with the same cost to get the best HDR experience, next, we will tell everyone this is not a dream.

4-color HDR LCD panel embedded HDR algorithm - almost complete rendering HDR source effect

In this part of the talk, HDR technology has improved the picture quality. However, it is the source of the film that restricts its further development. 3D is also gradually quitting the main stage due to the lack of film sources. The HDR algorithm independently developed by LG Display can convert common SDR film sources into HDR image effects, which greatly enhances the application of HDR. Not only can HDR images be improved when HDR sources are played.

For this reason, LG Display is the first to embed HDR technology in 4-color ultra-high-definition LCD panels. The optimized HDR algorithm can present the HDR film source to the audience with almost no reservations, making the image closer to the real scene and details in the shadows. Better performance. So, how to define the HDR effect of a TV product is really good or not. I believe that the measurement data certified by the authority is the most convincing.

The measurement results of the measurement instrument show that when a 4-color HDR LCD panel inputs an ordinary SDR signal, the OETF of the 4-color HDR LCD panel does not satisfy SMPTE ST2084 when the HDR algorithm is turned off, and the same signal source, 4-color HDR LCD panel, turns on the HDR algorithm. Its photoelectric conversion factor (OETF) satisfies SMPTE ST2084, and thus it is known that a 4-color HDR liquid crystal panel can convert an ordinary SDR signal into an image quality close to an HDR image effect.

HDR (High Dynamic Range) is literally translated as "high dynamic range", which can be understood as a higher picture latitude and wider brightness range, so that the image can present more detail in a high light ratio condition. The larger the dynamic range, the richer the details of the highlights and shadows recorded on the image at the same time. Therefore, the effectiveness of HDR depends on the size of HDR dynamic range. After testing, TV products based on four-color HDR technology compared to ordinary HDR TV products, HDR dynamic range increased by 44%.
In summary, HDR technology is not simply attached to a TV. It requires a complete HDR capture, HDR chip decoding, and HDR screen display to present better quality content. Most HDR TVs on the market Not fully equipped with these conditions, and LG Display led four-color HDR TV "LCD panel embedded HDR algorithm" can be regarded as a qualified HDR TV products.

Comprehensive viewing angle - great advantages of 4-color HDR

The HDR algorithm technology of the 4-color HDR TV panel has excited us, and the ultra-wide viewing angle brought by the arrangement of the IPS hard-screen liquid crystal molecules is equally impressive.

Viewing angle

The IPS hard screen technology brings outstanding visual angle performance to 4-color HDR TVs. The front view and side view screens can be normally displayed, and the details in the shadows are also excellent. Also from the test results of the China Electronic Chamber of Commerce and the China Electronics Standardization Institute, the color perspective and gamma perspective of the 4-color HDR TV panel far exceeded the industry average, which was 1.77 times and 2.14 times the industry average, respectively, a significant difference.

As far as the actual data is concerned, when the color difference is 0.02 (more than 0.02 human eyes can perceive the color difference change), the maximum angle of 4-color HDR television viewing is as high as 111 degrees, while the integrated viewing angle of other LCD panel types is only 41 degrees.

Horizontal color viewing angle

In the test results, the color drift results were visually recognized when the IPS hard screen was larger than 55.5° at both sides, and even when the highest-end VA soft screen was at more than 32° from both sides, the color shift results could be recognized by the naked eye.

Horizontal gamma angle

The gamma angle is a more professional test result. When the angle deviation is 30%, the larger the gamma deviation is, the more inconsistent the front view and the side view are. The popular point is that the gamma view test results are deviated to a certain extent. From the perspective of the user, the user's front view and the side view are inconsistent and affect the overall audiovisual experience. The test results show that the 4-color HDR gamma viewing angle can reach 170°, while the remaining panel types only have a gamma viewing angle of 56.8°.

The author believes that LG Display, as the world's largest manufacturer of LCD panels, was obliged to lead the development of the entire panel industry. Four-color HDR TVs allow civilians to truly enjoy the outstanding effects of HDR technology and make them more outstanding. The energy consumption ratio is a great contribution to society. Taking into account LG Display's influence in the panel industry, we believe that other panel makers will follow suit and eventually drive the entire panel industry to upgrade.

LTC Miner

Litecoin (LTC) is a cryptocurrency created as a fork of Bitcoin in 2011. It uses a hashing algorithm called Scrypt that requires specifically designed mining software and hardware. It is minable, and continues to rank in the top cryptocurrencies for value and trading volume.

Litecoin mining is the process of validating transactions in the blockchain, closing the block, and opening a new one. Litecoin uses the proof-of-work consensus mechanism, which uses computational power to solve the nonce, which is part of the hash, that secures the block. The hash is the alphanumeric sequence of numbers that is encrypted by the hashing algorithm. When the nonce is solved, Litecoin is rewarded.

Litecoin mining became popular in 2011 when Charlie Lee, a software engineer at Google, announced its creation as a Bitcoin fork with modifications intended to help it scale more effectively.

Just like Bitcoin, it can be mined on computers using central processing units and graphics processing units. However, it isn't as profitable or competitive as purchasing an application-specific integrated circuit (ASIC) and joining a mining pool.

Ltc Asic Miner,Antminer L3 Plus Plus,Bitmain Antminer L3 Plus,Bitmain L3 Plus

Shenzhen YLHM Technology Co., Ltd. , https://www.apgelectrical.com