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iPhone LCD Screen Sampling Test – REWA LAB
Sep 21st, 2017

To ensure the highest quality of iPhone screens, REWA Technology operates with an
integrated quality control system, applying with professional quality assurance from
purchase to delivery, and strict testing procedures. REWA LAB 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

REWA LAB iPhone LCD Screen Sampling Test

Cosmetic Inspection

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

iPhone LCD Screen Sampling Test - REWA LAB

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

iPhone LCD Screen Sampling Test - REWA LAB

Check whether the flex cable broken or damaged.

iPhone LCD Screen Sampling Test - REWA LAB

Check backlight adhesion normal or not.

iPhone LCD Screen Sampling Test - REWA LAB

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

iPhone LCD Screen Sampling Test - REWA LAB

Function & Display

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

23-1-touch-function-by-pulling-up-and-down

Test 3D Touch function and sensitivity.

iPhone LCD Screen Sampling Test - REWA LAB

Check pure color screen normal or not.

iPhone LCD Screen Sampling Test - REWA LAB

Check whether the screen turns black under polarizer.

iPhone LCD Screen Sampling Test - REWA LAB

Test Color Coordinates & Brightness with Color Analyzer CA310.

iPhone LCD Screen Sampling Test - REWA LAB

Structure Test

Measure thickness, width and length.

iPhone LCD Screen Sampling Test - REWA LAB

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

iPhone LCD Screen Sampling Test - REWA LAB

Check screen fitness with iPhone housing after installation.

iPhone LCD Screen Sampling Test - REWA LAB

Check whether function normal or not after installation.

iPhone LCD Screen Sampling Test - REWA LAB

Check whether light leaked or backlight conflicted with LCD

iPhone LCD Screen Sampling Test - REWA LAB

Run Touch ID function test.

iPhone LCD Screen Sampling Test - REWA LAB

Aging Test

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

iPhone LCD Screen Sampling Test - REWA LAB

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.

iPhone LCD Screen Sampling Test - REWA LAB

Vibration Test

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

iPhone LCD Screen Sampling Test - REWA LAB

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

iPhone LCD Screen Sampling Test - REWA LAB

Test Report

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

iPhone LCD Screen Sampling Test - REWA LAB

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