iPhone LCD Screen Sampling Test

Blake Sep 21, 2017
253

To ensure the highest quality of iPhone screens, REWA Technology operates with an integrated quality control system, applying for professional quality assurance from purchase to delivery, and strict testing procedures. REWA iPhone LCD Screen Sampling Test, composed of the following 5 strict testing procedures, ensures qualified suppliers and high-quality products.

 

 


iPhone LCD Screen Sampling Test

 

REWA LAB iPhone LCD Screen Sampling Test

 

Cosmetic Inspection

Check whether the surface of glass lens damaged or off paint, etc.

 


Cosmetic Inspection

 

Check whether the front bezel debonding, damaged, screw hole blocked, etc.

 


screw hole blocked

 

Check whether the flex cable is broken or damaged.

 


Check whether

 

Check backlight adhesion normal or not.

 


Check backlight adhesion normal

 

Check hydrophobic effect with water, alcohol, and N-hexane.

 

 


Check hydrophobic

 

Function & Display

Test touch function by pulling up and down, switching page, moving icons.

 


Test touch function

 

Test 3D Touch function and sensitivity.

 


Test 3D Touch function

 

Check pure color screen normal or not.

 


Check pure color screen normal

 

Check whether the screen turns black under polarizer.

 


Check whether the screen

 

Test Color Coordinates & Brightness with Color Analyzer CA310.

 


Test Color Coordinates

 

Structure Test

Measure thickness, width and length.

 


Measure thickness

 

Check whether LCD metal plate well matched or screw hole well aligned.

 


LCD metal plate

 

Check screen fitness with iPhone housing after installation.

 


Check screen fitness

 

Check whether function normal or not after installation.

 


whether function normal

 

Check whether light leaked or backlight conflicted with LCD

 


backlight conflicted with LCD

 

Run Touch ID function test.

 


Run Touch ID

 

Aging Test

Run Dynamic test (condition: +45℃; playing video for 2Hrs ), check whether display normal or not. After that, run function test again.

 


Aging Test

 

Run Static Cycle test (condition: -20℃/2Hrs, +55℃55%RH/2Hrs, +55℃/4Hrs), check whether display normal or not.

Once finished, check backlight adhesion and run another round of function test.

 


Run Static Cycle test

 

Vibration Test

Packaging the LCD assembly with a blister box. Then run Electromagnetic Vibration Test (Amplitude: 2mm, Frequency: 50HZ, Time:1H).

 


Packaging the LCD assembly

 

Once finished, check backlight adhesion and run another round of function test.

 

 


check backlight adhesion

 

Test Report

Those passed all tests would be certified by the test report issued by REWA LAB.

 


by REWA LAB

 

You can check our iPhone X OLED Screen Total Teardown Analysis video.

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ABOUT REWA

REWA is a world leading electronics repair business solutions provider who was founded in 2008 in HongKong. We are committed to delivering one-stop services covering Sourcing Solution, Technical Support Solution as well as Recycle & Resell Solution.

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