External Inspection On The Lcd Module; For Lg Panel; Conditions; Defect Modes - NEC Multi Sync EA221WM Service Manual

5.5 External Inspection on the LCD Module

5.5.1For LG panel (LM220WE1-TLD1 KR LGD and LM220WE1-TLE3 KR LGD)

Conditions

Viewing distance: 35 ~ 50 cm
Ambient illumination: 300 ~ 700 Lux (nominal 500 Lux)
Ambient temperature: 25 + - 5 'C
Viewing angle: The inspection shall be conducted within normal viewing angle range.
Display pattern: Pure R, G, B, Black and White
Inspection: area active area

Defect Modes

Bright dot
R, G or B 1dot ------------------------------------------------------------------------------- 2 Max (BDF 95%)
Adjacent 2dots ------------------------------------------------------------------------------ 0 Max
Adjacent 3dots ------------------------------------------------------------------------------ 0 Max
Total amount of Bright dots -------------------------------------------------------------- 2 Max
Bright dot density --------------------------------------------------------------------------- Within Φ15mm
Dark dot
R, G or B 1dot ------------------------------------------------------------------------------- 5 Max
Adjacent 2dots ------------------------------------------------------------------------------ 2 Max
Adjacent 3dots ------------------------------------------------------------------------------ 0 Max
Total amount of Bright dots -------------------------------------------------------------- 8 Max
Bright dot density --------------------------------------------------------------------------- Within Φ15mm
Total amount of Dot Defect
Total amount of Dark Defects ----------------------------------------------------------- 10 Max (Combination)
Note) a. Every dot herein means Sub-Pixel (Each Red, Green, or Blue Color)
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