COG-VLGT6566-03 Datasheet, PDF (14/18 Pages) Varitronix international limited – 4.3” TFT, 480 x RGB x 272 dots, 16M Colors, positive, transmissive dot matrix LCD module.

6. Optical Characteristics (for TFT panel only)
VL-FS-COG-VLGT6566-03 REV.A
(COG-VLGT6566-03)
JUL/2010
PAGE 14 OF 18
Table 9: Optical specifications (light source: C light)
Items
Transmittance
Contrast Ratio
Response Time
Red
Green
Chromaticity
Blue
White
Hor.
Viewing angle
Ver.
Symbol
T%
CR
T_R
T_F
X_R
Y_R
X_G
Y_G
X_B
Y_B
X_W
Y_W
φ1(3 o’clock)
φ2(9 o’clock)
θ2(12 o’clock)
θ1(6 o’clock)
Condition
Specifications
Min. Typ. Max.
Unit
- 6.1 - %
- 250 - -
- 5 - ms
- 15 - ms
0.590 0.620 0.650 -
0.314 0.344 0.374 -
Viewing
normal angle
0.276
0.533
0.306
0.563
0.336
0.593
-
-
θ_X = θ_Y = 0°
0.103
0.119
0.133
0.149
0.163
0.179
-
-
0.281 0.311 0.341 -
0.319 0.349 0.379 -
- 45 -
Center
CR≥10
-
-
45
15
-
-
deg.
- 35 -
Note
All left side data
are based on
following
condition --
6 o’clock
NTSC: 50%
LC: TN
Light: C light
(Machine:BM5A)
Normal Polarizer
Reference Only
Note 1: Definition of Contrast Ratio (CR):
The contrast ratio can be calculated by the following expression.
Contrast Ratio (CR) = L63 / L0
L63: Luminance of gray level 63
L0: Luminance of gray level 0
CR = CR (5)
CR (X) is corresponding to the Contrast Ratio of the point X at Figure in Note 5.
Note 2: Definition of Response Time (TR, TF):
Figure 9