LM190E01-C4 LG, LM190E01-C4 Datasheet - Page 17

• Manufacturer Part Number: LM190E01-C4
• Description: TFt LCD
• Manufacturer: LG

Notes :
Notes :
3. The variation in surface luminance , δ
1. Contrast ratio(CR) is defined mathematically as :
2. Surface luminance is the luminance value at center 1 point(1) across the LCD surface 50cm
Figure 6. Luminance measuring point
Ver. 1.0
Contrast ratio =
from the surface with all pixels displaying white. For more information see FIG 6.
It is measured at center point(1)
For more information see [ Figure 6 ].
δ
WHITE
<Measuring point for surface luminance and luminance variation>
= ---------------------------------------------
---------------------------------------------------------
Maximum (P1,P2 …..P5)
Minimum (P1,P2 …..P5)
Surface luminance with all white pixels
Surface luminance with all black pixels
2
4
A
WHITE
Product Specification
H
1
is defined as
JUL. 30, 2003
5
3
A : H / 4 mm
B : V / 4 mm
H : 376.32 mm
V : 301.056 mm
@ H,V : Active Area
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