Curvature is the main choice of curved surface display, which determines the viewing experience of curved surface display. The smaller the curvature is, the larger the bending is. The curvature of curved surface display is from 4000R in the early stage to 3000r, 2000r, 1800r in the later stage, and then to 1500r now. With the increasing curvature, the viewing experience of users is getting better and better.
曲率其实是指屏幕的弯曲程度，是曲面显示器的核心参数。它是针对曲线上某个点的切线方向角对弧长的转动率，也就是弯曲屏幕的半径数值，曲率 4000R 指的是半径为 4m 的圆所弯曲的程度，同理，3000R 指的是半径为 3m 的圆所弯曲的程度。
Curvature is actually the curvature of the screen, which is the core parameter of curved surface display. It refers to the rotation rate of the tangent direction angle of a point on the curve to the arc length, that is, the radius value of the bending screen. Curvature 4000R refers to the bending degree of a circle with a radius of 4m. Similarly, 3000r refers to the bending degree of a circle with a radius of 3M.
曲率的大小决定了曲面显示器的观看体验。曲率的数值越小，弯曲的幅度越大。曲面显示器的曲率由早期的 4000R 到后来的 3000R、2000R、1800R 再到现在的 1500R，曲率越来越大，使得用户的观看体验也越来越好。
The curvature determines the viewing experience of curved surface display. The smaller the curvature is, the larger the bending is. The curvature of curved surface display is from 4000R in the early stage to 3000r, 2000r, 1800r in the later stage, and then to 1500r now. With the increasing curvature, the viewing experience of users is getting better and better.
How about a curved surface display
Advantages of curved surface display
Wide viewing angle: compared with the flat panel display of the same size, the curved panel display greatly reduces the screen reflection and has a wider viewing angle, because the slightly curved edge of the display can be closer to the user and achieve the same viewing angle as the central position of the display.
Good visual effect: curved surface display slightly curved screen is more in line with the human eye structure, theoretically each pixel is equal to the distance of the retina, which can provide a better surround view, a deeper viewing experience, and make the picture more in-depth.
Disadvantages of curved surface display
Price: under the same brand and parameters, curved surface display is more expensive than flat panel display.
Light leakage: at present, all kinds of optical components of the display backlight unit are designed and optimized for the plane structure. However, in order to achieve the curved surface effect, manufacturers need to force these components to “bend”, so the light leakage is more difficult to control.
Brightness, color and definition are affected: the LCD panel itself is “bent” will also affect the image quality, the physical and optical properties of the bent glass will change, on the one hand, making the screen itself fragile, on the other hand, it will also make the display appear edge virtual phenomenon, which will affect the brightness, color and definition of the screen.
Difference between curved surface display and flat panel display
It can be seen from the appearance that the biggest difference between curved surface display and flat panel display is that one screen is curved and the other is straight. Relatively speaking, flat panel displays look more common, while curved panel displays look more fashionable and technological.
Curved surface display: curved surface display has curvature parameters. The smaller the curvature value, the greater the bending degree of curved surface display, the more difficult the manufacturing process, and the higher the cost; Generally, the screen size of curved surface display is larger, and the smaller the curvature value is, the larger the screen size is.
Flat panel display: compared with curved panel display, flat panel display has no curvature parameter, and other parameters are basically the same as curved panel display.
3、 Visual effects
Curved surface display: the radian of curved surface display conforms to the spherical characteristics of human eyeball, which can make the distance from each point on the screen to the eye equal, avoid excessive sight distance at both ends, eliminate the visual distortion at the edge of the screen, and create the most natural and comfortable appearance.
平面显示器：平面显示器具有广角可视的，也就是说当你在侧面位置超过 35 度的角度观看曲面屏时，由于屏幕边缘实际上是向内弯曲，会感觉画面有些变形，而平面显示器就不会出现这种问题。
Flat panel display: flat panel display has wide-angle visibility, that is to say, when you look at the curved screen at a side position of more than 35 degrees, because the screen edge is actually bent inward, you will feel some deformation of the screen, and flat panel display will not have this problem.