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Why can an OLED display bend, but an LCD does not?

Why can an OLED display bend, but an LCD does not?

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In terms of physical properties, LCD is not suitable for making curved surfaces. OLED displays can be bent or even folded to any degree. Currently, curved displays sold on the market are basically fixed in curvature, except for distortion and discoloration of the screen. In addition, its price is also high. Overall, the curved liquid crystal display may be a high-priced purchase of a transitional product for consumers, which is also a compromise of current technological development.

Why can an OLED display bend, but an LCD does not?

OLEDs have the characteristics of being bendable, and many people think that OLED TVs will be the future star of the TV industry rather than LCD TVs or plasma TVs. But recently, a Japanese consortium of 13 companies and institutions is working hard to develop ultra-thin, flexible liquid crystal displays (LCDs). The company said they have found a new way to make LCDs that use plastic films instead of glass substrates, which will make LCDs softer and thinner.

Mainly because the thickness of the organic film required is very thin, only 1,000 to 1,500 A (0.10 to 0.15 um). The entire display panel (Panel) has a total thickness of less than 200um (0.2mm) after being packaged with a desiccant (Desiccant), which has the advantage of being light and thin.

In addition, it can be fabricated on substrates of different materials, and a suitable substrate such as plastic can be selected to be a flexible display that can be bent.

Let's first talk about the LCD panel. Many friends know that LCD screens for monitors and TVs are different. TV screens are mainly VA and IPS high-end panels, while monitor screens are mostly TN panels, and high-end products use VA panels. There are large differences in design parameters, and the applicable occasions are also different.

The brightness and contrast of the LCD TV are relatively high, the color can be more abundant, and the viewing angle range is wider. However, due to the low resolution, the pixels are thicker, the lines of the picture are smoother and softer, and it is suitable for viewing at distances of 1.5 meters. .

LCD TV panel pixels are relatively thick, while LCD panel brightness is generally low, color layer is not as rich as TV, narrow viewing angle range, small dot pitch, display image is more fine and sharp, and has advantages in font representation, suitable for close range Watch.

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