As more and more China made iPhone LCD screens flooded the market as the time went on, you may be confused by their different kinds/brands or qualities.

For those China made LCD screens, most of you may be familiar with Tianma, Longteng, Jingdongfang. For Longteng/LT, its official name is IVO, and Jingdongfang/JDF for BOE. The rest are Shenchao, Innolux, AUO(Taiwan Brand), JDB etc.

Tianma Made iPhone screens are gaining more and more attention and reputations, and we are willing to recommend this kind of LCDs to customers of different demands. Consequently it’s necessary for you to have a good knowledge of them when you happen to have intention of or be in the business of cell phone spare parts. Let’s take TM(Tianma) iPhone 6s screen for example and have a deep analysis on it from a professional point of view in the aspects of Appearance, Structure and Function.

Appearance
There are some slight differences between TM iPhone 6s LCD and OEM one as regards the Weight, Thickness and Home Button Size. By measuring up with micrometer, we can easily tell that TM made screen is thicker than the OEM one for a plastic layer has been added on the glass lens.

	WEIGHT	THICKNESS	HOME BUTTON SIZE
TM	51g±0.05	2.92mm±0.02	10.66mm±0.02
OEM NEW	49g±0.05	2.50mm±0.02	10.66mm±0.02

 

Flex Cable: different flex textures on LCD flex cable

IC Module: IC module of OEM NEW screen is totally covered, while the TM screen is partly covered for its reassembled IC

Installation: At the sample test, 30% of TM screens can not fit perfectly for its higher bezel, but it does not affect the normal use

Home Button Hole: As regards button hole alignment, there are no differences between the OEM and TM screen

Structure
Compared with In-cell structure of OEM iPhone 6s screen, TM screen applies G+F technology in the process of production as the below diagram shows thus making its overall thickness greater than the OEM one.

Function
Hydrophobicity: OEM screen has high hydrophobicity for its special materials on the surface, while TM screen has relatively poor hydrophobicity

Display: White, pure gray and black screen were tested in this procedure
Backlight Leakage: slight backlight leakage on grey and black screen
Mura: mura on gray screen, but invisible in the genral use
Color difference: compared with the OEM, TM screen is colder and green toned

3D Touch: 3D touch performs well

Touch: Touch functions well

Aging Test: Playing video for 72 hours, there are no differences between TM and OEM screen

NOTICE: By analyzing, TM iPhone 6s LCD functions well, but still has some small differences like color, hydrophobicity etc. which do not affect the normal use. It is relatively stable at present from the above performances. Considering the competitive price of China Made screen, sample orders are recommended to test if it can meet your needs.