Datasheet
DEM 320240M TMH-PW-N Production Specification 
Version: 1.1 PAGE: 7 
FIG.1. The definition of Response Time 
FIG.2. Measuring method for Contrast ratio, surface luminance, 
Luminance uniformity,  CIE (x, y) chromaticity 
Size:S≤5”(see Figure a) 
A : 5 mm B : 5 mm 
H,V : Active area 
Light spot size Æ=5mm(BM-5) or Æ=7.7mm (BM-7)50cm distance or 
compatible distance from the LCD surface to detector lens. 
test spot position:see Figure a. 
measurement instrument : TOPCON’s luminance meter BM-5 or 
BM-7 or compatible (see Figure c) 
Size:5”<S≤12.3”(see Figure b) 
H,V : Active area 
Light spot size Æ=5mm(BM-5) or Æ=7.7mm (BM-7)50cm distance or 
compatible distance from the LCD surface to detector lens 
test spot position:see Figure b 
measurement instrument : TOPCON’s luminance meter BM-5 or 
BM-7 or compatible (see Figure c) 
A
A
P1 P2
P4
P3
P5
H
B
B
V
Figure a 
Figure b 
Figure c 
BM-5/BM-7 










