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SPEC NO.
MT220WW 01 V.0
PAGE
15/23
ALL RIGHTS RESERVED ANY PORTION OF THIS DOCUMENT SHALL NOT BE REPRODUCED, COPIED, OR TRANSFORMED
TO ANY OTHER FORMS WITHOUT
PRIOR
WRITTEN
PERMISSION FROM INNOLUX DISPLAY CORPORATION.
C. Optical Specifications
Specification
Item Symbol Condition
Min. Typ. Max.
Unit
Remark
Tr
1.5 3
Tf
3.5 7
Response time
Tr+Tf
Ӱ= 0ш
5 10
ms Note 4
Contrast ratio CR θ= 0ш 700 1000 Note 3,5
Top
CRЊ10
CRЊ5
70
75
80
85
Bottom
CRЊ10
CRЊ5ʳ
70
75
80
85
Left
CRЊ10
CRЊ5ʳ
75
80
85
89
Viewing angle
Right
CRЊ10
CRЊ5
75
80
85
89
deg.
Note 3,5,7
Brightness (Center) YL
250 300
ʳ
nit Note 3,6
Wx 0.313
Wy 0.329
Rx
0.640
Ry
0.349
Gx
0.284
Gy
0.617
Bx
0.142
Color chromaticity(CIE)
By
Ӱ= 0ш
-0.03
0.067
+0.03
Note 3
White uniformity (9 points)
δw
0.75 0.80
ʳ ʳ
Note 3,8
Cross talk Ct
ʳ ʳ ʳ ʳ
2%
Note 9
Note 1:
Ambient temperature = 25°C.
Note 2:
To be measured in dark room after backlight warm up 30 minutes.
Note 3:
To be measured with a viewing cone of 2°by Topcon luminance meter BM-5A.
Note 4:
Definition of response time: The output signals of BM-7 are measured when the input
signals are changed from “Black” to “White” (falling time) and from “White” to “Black” (rising
time), respectively. The response time interval is between the 10% and 90% of amplitudes.
Refer to figure as below :