China has been the hub for different types of mobile spare parts and accessories. The market of China is highly diverse. You can find from cheap quality products to products of highest standard of quality. Retailers from all over the world look towards China to source wholesale iPhone screens at decent prices and with an assurance of quality.
There’s no Standardized system for iphone lcd screen quality in cell phone parts industries. Every Supplier has their own specification and it’s very complex. That’s why MobileSentrix has released iPhone LCD Screen Quality guidelines. Read our Specification for Premium LCD, Aftermarket plus Quality LCD and Aftermarket Quality LCD. This may help to buy high quality iphone LCD Display at competitive price.
First you need to know the structure of the LCD screen and how it works! As you can see from the picture above, each LCD screen contains backlight unit, rear polarizer (near to backlight unit), TFT array, liquid crystal, color filter and front polarizer (near to screen display). What related mostly to our problem here is the polarizers, which is used to filter the lights and allows the light of specific direction to pass and effectively eliminate the extra glare and it plays an important role in display image quality and performance. For the China made iPhone screens, most of the factories have used third party polarized films instead of OEM one because of the cost. According to our research, you may experience this problem in nearly half of all China made iPhone screens. As it's summer time, more and more customers would wear sunglasses while using the phone. We suggest you to test all your screens before installation.
Apple launched the most expensive cellphone iPhone X last year, the price starts at $999. The OLED screen used makes the price of iPhone X much higher than other iPhone that with the LCD screen. But to reduce the iPhone X screen repair cost, the aftermarket LCD screen has come out by the Chinese factory. Here let’s check the difference between OEM and aftermarket iPhone X screen.
Most people may think that if they have machines and buy LCD(TM,AUO,IVO etc.)and others spare parts such as glass, frame, polarizer, backlight and so on, they can produce a copy screen.But is it as simply as imagine? As we mentioned before, companies like Tianma only produce LCD display and do not assemble screens.LCD is important in the whole process, but not the most important.We take Tianma as a sample here and A as module factoies, B as agents and C as laminating factories in the following. In the first lamination, A laminates LCD with top and bottom polarizers, IC and LCD Flex Cable(we call this semi-manufacture FOG).You can see it below.It seems this process is simple, but only limited module factories can do that. The technique needed is extremely high. So it is not that you have every parts needed, you can assemble a copy screen.
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