Datasheet

晶汉达 · JHD
MODEL: JHD1804
6 DISPLAY ELECTRO
-
OPTICAL CHARACTERISTICS
6
.
DISPLAY ELECTRO
-
OPTICAL CHARACTERISTICS
ITEM SYMBOL CONDITION
MIN.
TYP.
MAX.
UNIT
NOTE
Contrast ratio K
Φ=0
0
1.4
4
--
1
Response time (rise)
Tr
Φ
=0
0
θ
=0
0
-
130
-
ms
2
Response
time
(rise)
Tr
Φ
=0
θ
=0
130
ms
2
Response time (fall) Tf
Φ=0
0
θ=0
0
130
-ms
2
Viewing angle
Φ
K ≥1.4
-40 -- +40
deg.
3
θ -40 -- +15
Note 1: Definition of
Contrast Ratio “K”
Note 2: Definition of Optical
Response Time
K=
Brightness of non-selected segment(A)
Brightness of selected segment(B)
90%
Brightness Curve of
selected area
Brightness Curve of
non-selected area
B
r
i
g
h
t
n
e
s
s
A
Brightness
of
selected
segment(B)
Non-selected Selected
Non-selected
100%
Note 3: Definition of Viewin
g
An
g
le
10%
Vop Driving Voltage
B
B
0%
Brightness
90%
10%
Rise Time
Fall Time
 
Top
Left
Right
Top
Viewing Angle
gg


Bottom
Viewing Surface
Viewing Angle
Bottom
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