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LM185WH1 Datasheet(PDF) 20 Page - LG Semicon Co.,Ltd.

Part No. LM185WH1
Description  SPECIFICATION FOR APPROVAL
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Maker  LG [LG Semicon Co.,Ltd.]
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Product Specification
21 / 32
LM185WH1
Liquid Crystal Display
Ver. 1.0
Sep., 10, 2008
4. Optical specification
Optical characteristics are determined after the unit has been ‘ON’ for 30 minutes in a dark
environment at 25°C. The values specified are at an approximate distance 50cm from the LCD
surface at a viewing angle of Φ and θ equal to 0 °.
FIG. 7 presents additional information concerning the measurement equipment and method.
Table 10. Optical characteristics
Ta= 25°C, VLCD=5.0V, fV=60Hz fCLK= 42.9MHz, IBL=7.5mA
FIG. 7 Optical characteristic measurement equipment and method
50cm
Optical
Stage(x,y)
LCD Module
Pritchard 880
or equivalent
6
1.7
-
-
LR
Luminance uniformity -
Angular dependence (TCO’03)
%
1.5
Crosstalk
85
70
θd
y axis, down (φ=270°)
y axis, down (φ=270°)
y axis, up (φ=90°)
x axis, left (φ=180°)
x axis, right(φ=0°)
Viewing Angle (CR>5)
5
Degree
88
75
θr
88
75
θl
85
70
θu
85
70
θd
9P
y axis, up (φ=90°)
x axis, left (φ=180°)
x axis, right(φ=0°)
8
0.018
Δu’v’
75
60
θu
85
70
θl
5
Degree
85
70
θr
Color grayscale linearity
Viewing Angle (CR>10)
WHITE
BLUE
GREEN
RED
0.608
Gy
0.304
Gx
0.073
By
0.146
Bx
0.329
Wy
0.313
Wx
Decay Time
Rise Time
4
ms
7.4
3.9
-
TrD
0.334
Ry
Typ
+0.03
0.642
Typ
-0.03
Rx
Color Coordinates
[CIE1931]
4
ms
2.6
1.1
-
TrR
Response Time
3
%
75
δ WHITE
Luminance Variation
2
cd/m2
-
300
250
LWH
Surface Luminance, white
1
Notes
Units
-
1000
600
CR
Contrast Ratio
Max
Typ
Min
Values
Symbol
Parameter




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