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參數(shù)資料
| 型號： | LM170E01 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | 17.0 SXGA TFT LCD |
| 中文描述： | 17.0 SXGA TFT液晶顯示器 |
| 文件頁數(shù)： | 18/28頁 |
| 文件大?。?/td> | 559K |
| 代理商： | LM170E01 |
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Product Specification
18 / 28
LM170E01
Liquid Crystal Display
Ver 1.1
Feb. 24, 2003
1. Contrast ratio(CR) is defined mathematically as :
Surface luminance with all white pixels
Contrast ratio =
Surface luminance with all black pixels
2. Surface luminance is the center point across the LCD surface 50cm from the surface with all
pixels displaying white. For more information see [ Figure 10 ].
When I
BL
=6.5mA, L
WH
=200cd/m
2
(Min.) 250cd/m
2
(Typ.)
3. The uniformity in surface luminance ,
△L
5
is determined by measuring L
ON
at any point in test area.
But the management of
△L
5
is determined by measuring Lon at each test position 1 through 5,
and then dividing the maximum L
ON
of 5 points luminance by minimum L
ON
of 5 points luminance.
For more information see [ Figure 10 ].
△L
5
= Maximum (L
ON1
,L
ON2
, ….. L
ON5
)
÷
Minimum (L
ON1
,L
ON2
, ….. L
ON5
)
4. Response time is the time required for the display to transition from white to black(Rise Time, Tr
R
)
and from black to white(Decay Time, Tr
D
). For additional information see [ Figure 11 ].
The sampling rate is 2,500 sample/sec.
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 Figure 12 .
6. Gray scale specification
Notes :
Gray level
Luminance(%)
(Typ.)
L0
L31
L63
L95
L127
L159
L191
L223
L255
Table 10. Gray scale
0.22
0.76
5.06
12.2
24.6
41.3
61.9
86.7
100
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