3. Mechanical Specification
Symbol
Parameter
Conditions
Min
Typ.
Max
Units
Notes
KS
Black State L* value
-
13
15
3-1
Black State A* value
-
4
6
3-1
Black Ghosting
Δ
E
-
2
-
3-1
After 24hour colour changed
-
2
-
3-4
WS
White State L* value
62
65
-
3-1
White State A* value
-
0
1
3-1
White Ghosting
Δ
E
-
2
-
3-1
After 24hour colour changed
-
2
-
3-4
RS
Red State L* value
27
28
32
3-1
Red State A* value
36
40
45
3-1
Red Ghosting
Δ
E
-
3
-
3-1
After 24hour colour changed
-
2
-
3-4
T update Image update time
at 23 °C
-
17
-
sec
R
White Reflectivity
White
30
34
-
%
3-1
CR
Contrast Ratio
Indoor
15:1
20:1
-
3-1
3-2
GN
2Grey Level
-
-
-
-
Life
Temp:23
±
3°C
Humidity:55
±
10%RH
5years
3-3
Notes: 3-1. Luminance meter: Eye-One Pro Spectrophotometer.
3-2. CR=Surface Reflectance with all white pixel/Surface Reflectance with all black pixels.
3-3. When the product is stored. The display screen should be kept white and face up.
3-4. After 24hour Colour Changed
：
W: Max
Δ
E(W-W)<2, K: Max
Δ
E(B-B)<2, R: Max
Δ
Eab(R-R)<2.
Parameter
Specifications
Unit
Remark
Screen Size
7.5
Inch
Display Resolution
800(H)×480(V)
Pixel
DPI:124
Active Area
163.2×97.92
mm
Pixel Pitch
0.204×0.204
mm
Pixel Configuration
Rectangle
Outline Dimension
170.2(H)×111.2 (V) ×1.20(D)
mm
Weight
43.9±0.5
g
24hours
EPD Module User Manual
2.5$7HFKQRORJLHV
5HY
6
／
41
Summary of Contents for OKRA0750RWU790F30
Page 13: ...Serial Interface Timing Characteristics EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 13 41...
Page 16: ...EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 16 41...
Page 27: ...21 TCON S ETTING TCON R60 H EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 27 41...
Page 31: ...8 Block Diagram EPD Module User Manual 2 5 7HFKQRORJLHV 5HY 31 41...
