T17C1 ACER, T17C1 Datasheet - Page 20

• Manufacturer Part Number: T17C1
• Description: COLOR TFT LCD MODULE
• Manufacturer: ACER

Y
Note (4) Definition of Average Luminance of White:
Note (5) Definition of Cross Talk (CT):
Note (6) Measuring setup:
minutes in the case of abrupt temperature change. The measurement shall be executed after lighting at
rating 20 minutes. In order to stabilize the luminance, LCD shall not be gotten winds.
A, D
Y
A,L
(640, 896)
The measurement supposes to be executed after stabilizing the panel at given temperature during 20
(160, 512)
L
CT = | Y
Where:
L (x) is corresponding to the luminance of the point X at Figure in Note (7).
Measure the luminance of gray level 255 at 5 points
AVE
(0, 0)
= [L (1)+ L (2)+ L (3)+ L (4)+ L (5)] / 5
Y
Y
B
A
B
– Y
= Luminance of measured location without gray level 0 pattern (cd/m
= Luminance of measured location with gray level 0 pattern (cd/m
A
LCD module
| / Y
Active
LCD panel
A
Center of the screen
100 (%)
Gray level 128
500 mm
(1279, 1023)
Y
Y
A, R
Field of view = 2º
A, U
(1120, 512)
(640, 128)
20/26
Y
Y
B, D
B, L
(320, 128)
(160, 512)
(640, 896)
(0, 0)
Photometer
(TOPCON BM-5A)
Active
Gray 0
Issue Date: Feb.1’2001
2
Model: M170E1 -01
)
2
Dcc No.: 14007038
)
Gray level 128
Approval
Version 2.2
(1279, 1023)
(960, 768)
Y
Y
B,U
B,R
(640, 128)
(1120, 512)