For many people, 1080P once represented high picture quality, but with the continuous change of television technology, the emergence of 2K and 4K once again raised the picture to the peak of visual effects. At present, the competition in the TV market is fierce, and different TV technologies are flourishing. But what kind of technology is needed for future television? Today, follow the author's footsteps to understand it.
4K Ultra HD resolution
The concept of 4K is no stranger to many consumers. With the popularity in recent years, 4K television has begun to enter more and more families. Once we thought the resolution was sufficient for 1080 P, the resolution was only 4/4 of 4K resolution. The 4K resolution was 4096*2160 pixel resolution, and in terms of the number of pixels, it was 2 times 2K. It is also 4 times that of 1080 P. With the increase of pixels, the details of the picture can be fully displayed, even small textures can be fully displayed. Not only is the sharpness of the picture rising linearly, but also the frame rate at 4K resolution has been improved. This means that when we are watching the screen, the process of moving and switching the screen will be smoother and more comfortable. It is also an enhancement to the viewing experience.
The current 4K TV penetration rate has exceeded 50%, and it has truly entered the home of consumers. Compared with the clearer and smoother picture, 4K's excellent picture quality has been widely recognized. In the process of popularization, 4K is also constantly overcoming issues such as low chip resources, slow network speeds, and unsupported interfaces. But is 4K the limit that the human eye can see? The author believes that it is still too early to define 4K as the limit of vision, and consumer demand is also calling for a clearer product.
HDR high dynamic range image
Although HDR has existed as early as a decade ago, it has attracted many people's attention. HDR refers to a high dynamic range image, and true HDR is an optical conversion mechanism that effectively converts optical signals into electrical signals. In the process of conversion, HDR has a wider range of dynamic adjustment. Therefore, HDR technology allows us to view the screen with higher brightness, richer details, and better color depth. Televisions equipped with HDR technology have a significant increase in the brightness of the screen. The details in the bright and dark areas are more refined, and the contrast between the light and shade is more pronounced, and the image layering is enhanced. With the increase of brightness, the color space of the screen has also been enhanced.
After the birth of HDR technology, there have been no new standards established for a period of time. Therefore, SDR technology standards are still used. In order to improve the picture quality of SDR, some manufacturers have also begun to develop quality enhancement technology. Among them, Sharp TV's color technology is to imitate HDR technology. Huang Cai technology can adjust the brightness of the corresponding parts of the backlight according to the light and dark information in different parts of the screen, so that the darker place is deeper and the brighter color is more pure. In Sharp's new color technology, intelligent analysis of the light source and the counter-light source in the image is added, and a stronger image quality adjustment system is provided.
Wide color gamut
For some consumers, the concept of wide color gamut may be a little unfamiliar. In fact, it can be easily seen from the name that this technique mainly focuses on the color of the screen. When you select TV, you can see the words “NTSC 92%â€. In fact, this is the coverage of the gamut of the TV. With a color gamut coverage of NTSC 92% or more, it can be called the wide color television. The color gamut determines whether the color of the screen is bright and whether it is close to the real world.
The wide color gamut is a kind of color backlight technology, which is mainly improved by using light sources and filters. According to the type of television, the wide color gamut can be perfectly applied in LED, QLED, and OLED TVs. The cost of wide color gamut technology is not too high, so the scope of application is also relatively wide, and it is displayed in various brands. In addition, there are currently many voices saying that the wide color gamut does not play a major role in the improvement of the picture quality. In fact, under the influence of the wide color gamut technology, the increase in color makes the transition between each color more natural. Make color more pure. If you want to understand the actual experience of the wide color gamut, it is better to walk into the store and experience it for yourself.
8K resolution
On August 31, Sharp officially released the world’s first consumer-grade 8K TV. In a large 70-inch screen, the screen that is 4 times better than 4K resolution has shocked everyone in the industry. Although 2K and 4K are usually familiar, they are still unfamiliar with 8K. The 8K resolution has 7680*4320 pixels, which is about 33 million pixels per frame. This data is 4 times the 4K resolution and 16 times the 1080P, which can be said to have reached the limits of human eyes. What 8K brings us is not just a further enhancement of resolution. NHK's encoding requirements for 8K TV mandate that the frame rate needs to reach 120 frames per second. This means that every frame in the TV picture will "fill up" the 120 frames. Affecting our sense of immersion and immersion, in addition to factors such as image quality and resolution, the number of frames has a certain influence, and 120 frames are the closest to the human eye. Li An's "Billy Lynn's Midfielder" has allowed many people to experience a high-frame-rate viewing experience. Nowadays, the 4K 120 frame rate's hyper-immersiveness also has the opportunity to enter our home.
There are also some consumers who believe that 4K is not yet universally available and the arrival of 8K is premature. In fact, at the beginning of the birth of 4K, we also doubted whether it was necessary to promote 4K. However, the lack of upstream resources and video content also made 4K popular. However, today's consumer demand for picture quality continues to increase, but also gave birth to the arrival of 8K technology.
When it comes to 8K, you have to know the "father of 8K," Sharp. As a veteran TV maker, Sharp enjoyed the title of "Father of LCD". In terms of television technology, Sharp can be said to be a master of all kinds of martial arts, whether it is 8K of advanced cutting-edge technology, or is now widely used in HDR, wide color gamut technology, and then to the research and development of "unique cheats" - New Huangcai technology Sharp, with years of technology accumulation, combined with the most core needs of consumers, eventually created a television product that is close to the future. In addition to excellent "soft power," Sharp's LCD panels have long enjoyed a good reputation. The TV panel is actually a very precise component. When it manufactures the "Sharp Screen," it also uses nano-scale ultra-fine micro-machining technology to give people a "eye-catching" stunning picture quality. There is no doubt that Sharp TVs with multiple technical blessings and powerful hard power will tell us what the future of TV will look like.
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