The First Factory to Adopt Mini-LED Technology in the Mobile Phone Screen Repair Market
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The brightness of the Incell screen for iPhone 12 series launched by BIZBEE can reach 700cd / m ²,
and the thickness is about 0.3mm thicker than the original.
Almost all parameters are very close to the original. How is this achieved?
Read the following and you'll find the answer.
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Introduction to the principle of Mini-LED backlight technology
Mini-LED backlight adopts direct-lit LED backlight mode. It reduces the traditional LED grain size to between 100 microns
and 200 microns, greatly increasing the number of backlight. For example, the original side backlight has only a few dozen lamp beads,
but now it can reach thousands, tens of thousands, or even more.Besides, the flip-chip method of Mini LED does not require a lens
for secondary optical design. Due to the relatively small structure of the chip itself, it is conducive to achieving higher contrast and can also
achieve the effect of ultra-thinness. In addition, Mini LED combined with Local Dimming technology can achieve tens of thousands of zone control,
more precise light control ability, and can achieve peak brightness up to 1000 or even 1400nit, and the contrast can reach 1,000,000:1,
making the display effect closer to natural. |
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The second are high brightness and uniform heat dissipation, its brightness can exceed 1000 nits, while traditional LED can only
do well on one of them. The third are wide color gamut and good color reproduction. If Mini LED backlight uses RGB three color LED,
the color brightness will be close to OLED. If the blue LED + quantum dot film is used, wide color gamut (>110% NTSC) can be realized
at present, covering more than 99% of DCI P3 standard wide color gamut, comparable to OLED. The forth is power and energy saving,
and it can achieve fine control of light by dimming in different areas, which can also reduce power consumption.
Fifth, it can achieve special-shaped cutting and surface display, if the driving substrate is replaced by a soft substrate,
a high curved backlight plate can be generated for the production of curved screens. Sixth, the difference between
Mini-LED and OLED in display effect and energy consumption is little, the life of Mini-LED backlight
LCD panels is much longer than that of OLED and there are no defects such as residual shadow, screen burning. |
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Traditional LED direct-lit backlight: it is the mainstream backlight scheme of LCD at present, with low cost and dynamic partition;
But it is thicker and consumes more energy; Traditional LED edge-lit backlight: thin, no dynamic partition. |
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