This year is likely to be a year of OLED screens, and there may be new ways to play outside the "curve screen."
In addition to Samsung itself has been insisting on using its own AMOLED screen, Apple also seems to be leading the trend of OLED screen, many news has confirmed that the next generation iPhone will adopt OLED screen, which has been issued to many screen suppliers long ago. The notice encourages them to improve their respective OLED display technologies, and Apple has set up a secret team in Taiwan to develop OLED technology. At present, it has obtained a large number of orders from OLED screen suppliers such as Sharp and Samsung.
OLED screens have many advantages, such as bright picture quality, power saving, strong plasticity, etc. As their production capacity increases, there will be a large number of manufacturers using this screen, like the recently launched vivo Xplay6, Xiaomi Note 2, Huawei Mate 9 Pro and other curved phones use OLED screens.
This is due to the flexible nature of the OLED screen. Of course, it is not limited to the "curtain" method. Since the OLED can self-illuminate, the removal of the light-emitting module can make the body slimmer, and at the same time Implements the Always On screen constant light technology applied on the S7 edge.
Samsung is also looking for cooperation with LG, hoping to apply LG's OLED screen packaging technology to the new machine to make the screen of the mobile phone more "bent". Apple then wants to bend the OLED screen to 360 degrees, using the screen directly to the fuselage two Side wrapping.
Foreign concept designers have also produced renderings based on Apple's patent called "Flexible Display", which the fruit powder calls: iPhone8 Edge.
Of course, one of the better applications of OLED screens is folding screens. Apple and Samsung have applied for related patents, and the concept is to use OLED screens to make the mobile phone body fold.
Ultrasonic waves propagate in the liquid, causing the liquid and the cleaning tank to vibrate together at the ultrasonic frequency. When the liquid and the cleaning tank vibrate, they have their own natural frequency. This vibration frequency is the sound wave frequency, so people hear the buzzing sound. With the continuous development of the cleaning industry, more and more industries and enterprises have used ultrasonic cleaning machines. The advantages of the ultrasonic cleaning machine are: the ultrasonic cleaning effect is good, and the operation is simple. The sound that people hear is a sound wave signal with a frequency of 20-20000 Hz. The sound wave above 20000 Hz is called an ultrasonic wave. The transmission of the sound wave propagates longitudinally according to a sinusoidal curve, producing a large number of small bubbles. One reason is that partial tensile stress occurs in the liquid to form negative pressure. The decrease in pressure makes the gas originally dissolved in the liquid supersaturate and escape from the liquid and become small bubbles; the other reason is that the strong tensile stress tears the liquid apart. "A void is called cavitation.
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