This article is mainly about the related introduction of the curved TV, and focuses on the detailed comparison and analysis of the curvature of the curved TV 4000 and the curvature of the 6600. Curved TV refers to a TV with a certain curvature on the screen and a certain curved shape. Generally, the curvature of a curved TV is basically the same as the curvature of the human eye. Curved TV is a technological masterpiece based on advanced technologies such as the use of flexible screens that are thinner than flat-screen TVs. In short, the screen is not the current linear type, but creatively changed the straight straight line to a slightly concave curve, thus presenting a more stunning visual effect. Not only that, the curved TV is consistent with the curved human eye structure, and it is an ergonomically more in line with the human eye design, which can bring a more comfortable feeling to the human eye. Function configuration Secondly, because the human eyeball is spherical, viewing a purely flat display screen is actually "distorted". The larger the screen size, the more obvious it is. The curvature of the curved TV fully meets the ergonomic requirements, and the user’s viewing experience is more natural. The user can really feel the cinema-like picture brought by the curved screen display technology. The curved screen can achieve better viewing angles on the left and right sides. It is more natural, more comfortable, and has a better sense of presence. Industry experts showed five advantages of curved TV over traditional flat-screen TVs: First, the curved appearance is more beautiful. Just like people prefer a streamlined car appearance and a circular contour mobile phone, it conforms to the modern aesthetics. Second, the curved structure can obtain a larger display area in a limited space. The width of 1.3 meters can fit a 55-inch traditional flat panel, but it can fit a 58-inch curved TV. Third, the viewing angle is wider. The curved design increases the visible image range, and part of the screen display can be seen clearly at an appropriate angle behind the TV side. Fourth, bring a more realistic sense of the scene. Like the surrounding image brought by the curved IMAX screen, the 3D display is immersive. Fifth, the human visual experience is more comfortable. The curved display conforms to the spherical characteristics of the human eyeball. It can make the distance from each point on the screen to the eye equal, eliminate the visual distortion at the edge of the screen, and create the most natural and comfortable look. Technical advantages 1. Contrast is better Curved TV can present vivid picture quality in every corner. The contrast between the left and right sides of the picture is 45% higher than that of the flat-panel TV, making the black deeper and brighter colors brighter. The CESI (China Electronic Technology Standardization) monitoring and certification results show that curved TVs have different degrees of improvement in brightness uniformity, contrast, and distortion compared to flat LCD TVs. [2] 2. A wider perspective Curved TVs have a wider viewing angle than traditional flat TVs. The curved design increases the visible image range, and part of the screen display can be seen clearly at an appropriate angle behind the TV side. Bring a more realistic sense of the scene. It's like the image embracing and immersive reality brought by the curved IMAX screen. And the human visual experience is more comfortable. The curved display conforms to the spherical characteristics of the human eyeball. It can make the distance from each point on the screen to the eye equal, eliminate the visual distortion at the edge of the screen, and create the most natural and comfortable look. As the viewing angle of the screen expands, the sense of scene in the movie is also enhanced. This is closely related to the visual cells (cone cells and rod cells) located in the cornea. Cone cells are located in the center of the retina, while rod-shaped cells are located on the periphery of the retina. These two kinds of cells are the key to our ability to perceive things through our eyes. Humans’ natural field of view is 20 to 30 degrees, so they recognize things by stimulating the cone cells in the center of the retina. Enlarging the field of view (ie, the angle of view) will stimulate the rod-shaped cells at the periphery of the retina, which is also the key to improving immersion and enhancing the sense of presence. In addition, rod-shaped cells are more than a thousand times more sensitive than cone cells. Therefore, if the rod-shaped cells are stimulated, the eyeball can capture some brightness changes and some color differences. Curved TV uses the characteristics of human eyeball engineering to expand the viewing angle of the screen by stimulating rod-shaped cells, so that the viewer has a stronger sense of immersion when watching. Three, immersive experience The curved screen TV will give you a sense of image envelopment like a large arc-shaped theater, which can be said to be a fully immersive experience, giving the viewer a sense of immersion and immersive experience. The curved design of the screen on both sides of the screen makes the visible picture range wider, so the audio-visual effect is similar to the audio-visual experience when watching a larger-sized TV. Fourth, curved TV can reduce visual distortion The human eyeball is a sphere, and the eye mask is also a curved shape. Therefore, objects on a flat surface will actually bend when they are imaged through the eyeball. The curved surface design of the curved TV screen can eliminate this visual bending. The structure that conforms to the human eye makes the eyes more comfortable. When watching a picture on a curved TV, the picture seen is more consistent with the structure of the eyes, and it is more in line with human viewing habits. This kind of comfort is not provided by a flat-screen TV. According to CESI, a professional authority in China that formulates and manages consumer electronic products related national and industry technical standards, compared with traditional flat LCD displays, 4000R curvature (circular curvature with a radius of 4000 mm) curved LCD screen contrast The maximum increase is 48%, the brightness uniformity is increased by 12%, and the distortion rate is reduced by 73%. In terms of curvature, it is also the most advanced among curved TVs nowadays. Curvature is a measure of the degree of unevenness of a geometric body. In physics, curvature is usually obtained by normal acceleration (centripetal acceleration), see normal acceleration for details. Flat has different meanings for different geometric bodies. The curvature of a curve is the rate of rotation of the tangent direction angle of a certain point on the curve to the arc length. It is defined by differentiation and indicates the degree to which the curve deviates from a straight line. Mathematically, a numerical value indicating the degree of curvature of a curve at a certain point. The greater the curvature, the greater the degree of curvature of the curve. The reciprocal of curvature is the radius of curvature. Generally speaking, the smaller the radius of curvature, the greater the curvature of the screen; the larger the radius of curvature, the closer to the plane. If the radius of curvature is too large, the surface display characteristics will be lost. Generally speaking, the smaller the radius of curvature, the greater the curvature of the screen; the larger the radius of curvature, the closer to the plane. If the radius of curvature is too large, the surface display characteristics will be lost. According to the survey, the radius of curvature of curved TVs sold on the market is mostly between 4000 mm and 6600 mm. The radius of curvature of the tcltv+ home entertainment TV series and the Changhong Chiq curved TV is 6600 mm, the radius of curvature of the LG and Konka oled curved TV is 5000 mm, and the radius of curvature of the Samsung uhd curved TV series and Hisense 4k curved TV is 4200 mm. As the screen size becomes larger and the panel technology advances, products with a smaller radius of curvature will be available on the market. The curvature of the curved surface is the key to the visual experience of the curved display. Which curvature is best for curved displays now? There is currently no theoretical support, and those so-called gold curvatures are more of a gimmick for manufacturers' propaganda. However, the smaller the curvature, the better the surround effect. Of course, it also has a certain relationship with the screen ratio, size, and distance of the viewer. But the curvature will have a range. If the curvature is too small, the whole picture will look distorted and uncomfortable to watch. The editor thinks that a 27-inch screen should be equipped with a curvature of 2000R and 3000R, and a large screen over 30 inches should be equipped with a curvature within 2000R. So the smaller the curvature of the same size, the better This is the end of the related introduction about the curvature of the curved TV 4000 and the curvature of the 6600. I hope this article can be helpful to you.
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