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For the selection of mobile phone screens, we usually look at the visible outcomes brought by this screen through our eyes, and evaluate the grade of the display. Along with the appearance and feel, oppo screen，we also need to comprehend the subsequent points:
The very first is the solution of your display screen. The quality is also called the resolution. Presently, the image resolution of many reduced-conclusion models is 720P, and the center and-end versions are mainly 1080P. There are 2K and 4K display screens. The greater the resolution, the greater number of power usage. electric power, nevertheless the exhibit effect is likewise much better.
The second may be the invigorate level from the screen. The refresh price signifies the quantity of occasions the electron ray scans the picture on screen frequently. In a nutshell, this is the capacity of your display board to invigorate the image. The higher the refresh rate, the greater secure the shown appearance.
The next is definitely the material of your screen. The two most common kinds of mobile phone screens are Liquid crystal and OLED. LCDs generally show on the middle of-to-low-end models, when OLEDs are frequently utilized on middle of the-to-high-end types.
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(1) As the temperature increases, the concentration of electrons and holes increases, the band gap decreases, kingtech ，and the electron mobility decreases.
(2) As the temperature increases, the radiative recombination probability of electrons and holes in the potential well decreases, resulting in non-radiative recombination (generating heat), thereby reducing the internal quantum efficiency of the LED display.
(3) The increase in temperature causes the blue light peak of the chip to shift to the long wave direction, which makes the emission wavelength of the chip do not match the excitation wavelength of the phosphor, and also reduces the white LED display with external light extraction efficiency.
(4) As the temperature increases, the quantum efficiency of the phosphor decreases, the light output decreases, and the external light extraction efficiency of the LED display decreases.
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