參數(shù)資料
型號(hào)： LC171W03-A4
廠商： NXP Semiconductors N.V.
英文描述： SPECIFICATION FOR APPROVAL
中文描述： 規(guī)范批準(zhǔn)
文件頁(yè)數(shù)： 18/28頁(yè)
文件大?。?/td> 732K
代理商： LC171W03-A4
Product Specification
18 / 28
LC171W03
Liquid Crystal Display
Ver. 0.0
Jan.10, 2002
Notes 1. Contrast Ratio(CR) is defined mathematically as :
Surface Luminance with all white pixels
Contrast Ratio =
Surface Luminance with all black pixels
It is measured at center point(1).
2. Surface luminance is luminance value at center point (1) across the LCD surface 50cm
from the surface with all pixels displaying white. For more information see FIG 2.
3. The variation in surface luminance ,
δ
WHITE is defined as :
δ
WHITE(5P)
= Maximum(L
on1
,L
on2
, ….. L
on5
) / Minimum(L
on1
,L
on2
, ….. L
on5
)
δ
WHITE(13P)
= Maximum(L
on1
,L
on2
, ….. L
on13
) / Minimum(L
on1
,L
on2
, ….. L
on13
)
Where L
on1
to L
on13
are the luminance with all pixels displaying white at 13 locations.
For more information see FIG 2.
4. Response time is the time required for the display to transition from black to white(Rise
Time, Tr
R
) and from white to black(Decay Time, Tr
D
). For additional information see FIG 3.
5. Viewing angle is the angle at which the contrast ratio is greater than 10. The angles are
determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which
is normal to the LCD surface. For more information see FIG 4.
6. Gray scale specification
Gamma Value is approximately 2.2. For more information see Table 11.
.
Table 11. Gray Scale Specification
91.3
100
L239
L255
37.4
46.4
56.6
67.8
79.4
L159
L175
L191
L207
L223
16.7
22.5
29.3
L111
L127
L143
1.94
4.15
7.36
11.5
L47
L63
L79
L95
0.68
L31
0.32
L15
0.22
L0
Luminance [%] (Typ)
Gray Level
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