Data Sheet

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RiTFT-35 series
LCD TFT Datasheet Rev.1.0
4 ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
MIN
MAX
UNIT
Supply Voltage for Logic
VDD
0
4.0
V
Supply Voltage for LED Inverter
BLVDD
0
7.0
V
Input Voltage for Logic
VIN
0
4.0
V
LED forward current (each LED)
IF
-
25
mA
Operating Temperature
T
OP
-20
70
°C
Storage Temperature
T
ST
-30
80
°C
Humidity
RH
-
90% (Max 60°C)
RH
5 ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
MIN
TYP
MAX
UNIT
NOTES
Supply Voltage For Module
VDD
3.0
3.3
3.6
V
Input Voltage for LED Inverter
BLVDD
2.8
5.0
5.5
V
LED Backlight Current
IDD
backlight
-
150
187
mA
BLVDD=3.3V
LED Backlight Current
IDD
backlight
-
93
117
mA
BLVDD=5V
Input Voltage ' H ' level
V
IH
0.7VDD
-
VDD
V
Input Voltage ' L ' level
V
IL
0
-
0.2VDD
V
Input Current
I
In
TBD
mA
Input Current for module with CTP
I
InC
TBD
mA
Note: The LED life time is defined as the module brightness decrease to 50% original brightness at Ta=25°C.
6 BACKLIGHT CHARACTERISTICS
ITEM
SYMBOL
MIN
TYP
MAX
UNIT
Voltage for LED backlight
V
l
-
19.2
20.4
V
Current for LED backlight
I
l
-
20
25
mA
LED Life Time
-
30000
50000
-
Hrs
Note: The LED Supply Voltage is defined by the numbers of LED at Ta=25°C and I
L
= 20mA.
7 ELECTRO-OPTICAL CHARACTERISTICS
ITEM
SYMBOL
CONDITION
MIN
TYP
MAX
UNIT
REMARK
NOTE
Response Time
Tr+Tf
θ=0°
∅=0°
Ta=25
-
25
30
ms
Figure 2
4
Contrast Ratio
Cr
-
350
-
---
Figure 3
1
Luminance Uniformity
δ WHITE
75
80
-
%
Figure 3
3
Surface
Luminance
TFT
Lv
490
540
-
cd/m
2
Figure 3
2
TFT+CTP
440
490
-
TFT+RTP
400
440
-
Viewing Angle Range
θ
∅ = 90°
30
40
-
deg
Figure 4
6
∅ = 270°
50
60
-
deg
Figure 4
∅ = 0°
50
60
-
deg
Figure 4
∅ = 180°
50
60
-
deg
Figure
CIE (x, y)
Chromaticity
Red
x
θ=0°
∅=0°
Ta=25
0.574
0.624
0.674
Figure 3
5
y
0.318
0.368
0.418
Green
x
0.300
0.350
0.400
y
0.500
0.550
0.600
Blue
x
0.093
0.143
0.193
y
0.069
0.119
0.169
White
x
0.260
0.310
0.360
y
0.283
0.333
0.383