32LD450 (CHASSIS:LT01B) - LG TV Service Manual (repair manual). Page 7

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*** LGD module Uniformity Measurement Position*** 

P1

P2

P3

P4

P5

1W/4

2W/4

3W/4

1H/4

2H/4

3H/4

: Measurement position (5 point)

1) Optical characteristics are determined after the unit has been ‘ON’ and stable in a dark environment at 25±2°C
2) Surface luminance is the luminance value at center 1-point across the LCD surface 50cm from the surface with all pixels

displaying white.

No.

Item Specification 

Min.

Typ.

Max.

Remark

1.

Viewing Angle<CR>10> 

Right/Left/Up/Down 

89

CR > 10

Luminance (cd/m

2

)

380 450

2.

Luminance

Variation -

1.3 

3.

Contrast Ratio 

CR 

900 

1200

All white/ All black

White WX

0.279 

WY Typ

0.292

Typ 

RED 

Xr

- 0.03

0.636

+0.03

PSM: Vivid, CSM: Cool

4.

CIE Color Coordinates

Yr

0.335

White (85IRE)

Green Xg

0.291

Yg

0.603

Blue Xb 

0.146

Yb  

0.061