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Company News >> How many OLED screens are there? You still don't know about these features. 10th,Sep,2018
                                         Since the invention of television in the 20th century, TV sets have gone from black and white to color, from "big ass TV" to LCD TVs, and now there are OLED TVs. Every change in TV means further development of display technology. Now OLED has become the future. The development trend of TV, trying to "stand C position" in a proactive manner, has become the standard for high-end TV, so how many OLED screens are there? This time, the author will take you to fully understand OLED and become a "speaking emperor."
What is OLED?
OLED is the abbreviation of Organic Light Emitting Diode, which is called organic light-emitting diode. This material was discovered by Chinese professor Deng Qingyun in 1979. The structure and illuminating principle of OLED are too complicated. It is too difficult for an outsider to understand. It can be compared to a hamburger visually. The luminescent material is the meat added in the middle. When there is current, the luminescent material in the middle will shine. And each OLED unit can be controlled to produce light of 3 colors.
How many OLED screens are there? You still don't know about these features.
OLEDs are used in a wide range of applications, including cell phones, televisions, smart bracelets, lighting, and more. At present, more than 15% of OLED screens on smartphones have become standard equipment for high-end models, such as Samsung's GALAXY series and Apple's iPhone X. In the middle and high-end smart bracelets and watches, almost all adopt OLED screens as display screens.
What are the highlights of OLED?
Highlight 1: Self-illumination
OLED display technology is different from traditional LCD display. Note that here is LCD instead of LED, LED is a kind of backlight. OLED materials have self-luminous properties, consisting of a very thin coating of organic material and a glass plate that emits light when current is passed through.
To understand, the LCD used to be backlit to display images, while the OLED does not need to be illuminated by itself. It is like the relationship between the moon and the sun. OLED is like the sun, it is a light source itself, and LCD is the moon. It needs light from others to show it.
Highlight 2: Black pure
OLEDs perform better than any other material in the black field. Due to structural reasons, the traditional LCD screen wants to display black, which needs to be realized by shielding white light. Even if the shielding effect is good, it will inevitably lead to light leakage. It is very difficult to get real black. Thanks to the self-illuminating OLED, each pixel can be independently illuminated and independently controlled. When displaying black, the OLED screen will directly turn off a single pixel so that it does not emit light at all, so light leakage does not occur. Black can be more pure.
Let's look at a set of proofs:
How many OLED screens are there? You still don't know about these features.
It can be clearly seen from the picture that the OLED screen shows that the black background is very pure, the LCD TV with LED backlight, the background is gray, not pure enough, the QLED screen is not clean enough in the candle flame, ULED is handled very well, but The display on the blue candle is still not as good as the OLED.
Highlight 3: thin and light
As mentioned above, OLED is a self-luminous material, so at least one backlight is less on the material than the conventional LCD screen, which results in a significant reduction in the overall thickness of the material. At present, the world's thinnest wallpaper TV, only OLED technology can be completed, the thickness is only 2.57mm. With the changes in consumers' aesthetics, whether TV or mobile phones are moving in a more and more light and thin direction, the thin and light characteristics of OLEDs fully meet the needs of manufacturers, which is one of the reasons why OLED is sought after.
The thin and light of OLED has also been favored by mobile phone manufacturers. The fingerprint mobile phone under the screen that was very hot in the past time is realized by OLED screen. Optical fingerprint recognition is recognized by light source illumination. If the fingerprint sensor is placed at the bottom of the screen, it is very Pass the light through the screen to the sensor. It is simply a fantasy to use a traditional LCD. On the one hand, the thickness of the LCD is too high, and on the other hand, the backlight source interferes with optical fingerprint recognition. In contrast, OLEDs, OLEDs are thinner and have good light transmission, so many mobile phone manufacturers are looking at OLEDs. OLED is also the only choice for fingerprint mobile phones.

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