3.9 IPS 480x128 Wide Temperature, High Brightness Bar TFT Display with RTP - RFS390E-AWH-DNS
3.9 IPS 480x128 Wide Temperature, High Brightness Bar TFT Display with RTP - RFS390E-AWH-DNS

3.9" IPS 480x128 Wide Temperature, High Brightness Bar TFT Display with RTP

Model No. RFS390E-AWH-DNS

RFS390E-AWH-DNS is a bar type 3.9-inch, IPS TFT LCD module with transmissive mode and Resistive Touch Screen (RTP). The module dimension is 105.5x37.0 mm; active area 95.04x25.34 mm. Its resolution is 480x128 pixels. The module features wide viewing angle thanks to the IPS panel which is one of the most popular techniques on the market now, and viewing angle 80/80/80/80. This 3.9-inch bar type TFT LCD display module has built-in IC SC7283 supporting 24-bit RGB interface. It also features high brightness, providing brightness 700 cd/m2 with contrast ratio (typical value) 800:1. LCM voltage ranges from 3V-3.6V. The module works within wide temperature range from-30 to +85℃,Storage Temperature covers from-30 to +85℃.

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  • General Specs
  • Interface Pin Function
  • Contour Drawing
  • Absolute Maximum Ratings
  • Electrical Characteristics
Item Dimension Unit
TFT Series Bar Type TFT LCD, IPS TFT LCD, Wide Temperature TFT, High Brightness TFT
Size (Diagonal) 3.9 inch
Dot Matrix / Resolution 480 × 128 × RGB (TFT) dots
Module Dimension 105.5(W) × 37.0(H) × 4.58(D) mm
Active Area 95.04 × 25.34 mm
Dot / Pixel Pitch 0.198 × 0.198 mm
LCD Type TFT, Normally Black, Transmissive
Viewing Angle 80/80/80/80 (IPS)
Aspect Ratio Bar Type
Backlight Type LED, Normally White
Control Board No
TFT Driver IC SC7283 or equivalent
Interface 24-bit RGB
Touch Panel Resistive Touch Screen, RTP
Surface Anti-Glare
Brightness 700 cd/㎡
Mounting Hole No
Operating Temperature -30~+85 °C
Storage Temperature -30~+85 °C

LCM PIN Definition

Pin Symbol Function
1 VLED- Power for LED backlight cathode
2 VLED+ Power for LED backlight anode
3 GND Power ground
4 VCC Power voltage
5 R0 Red data
6 R1 Red data
7 R2 Red data
8 R3 Red data
9 R4 Red data
10 R5 Red data
11 R6 Red data
12 R7 Red data
13 G0 Green data
14 G1 Green data
15 G2 Green data
16 G3 Green data
17 G4 Green data
18 G5 Green data
19 G6 Green data
20 G7 Green data
21 B0 Blue data
22 B1 Blue data
23 B2 Blue data
24 B3 Blue data
25 B4 Blue data
26 B5 Blue data
27 B6 Blue data
28 B7 Blue data
29 GND Power ground
30 DCLK Pixel clock input pin
31 DISP DISP sets the display mode.
DISP Function Description
L Standby mode
H Normal display mode
32 HSYNC Horizontal sync signal, default is negative polarity.
33 VSYNC Vertical sync signal, default is negative polarity.
34 NC No connection
35 NC No connection
36 GND Power ground
37 XR Right electrode
38 YD Bottom electrode
39 XL Left electrode
40 YU Top electrode

3.9 IPS 480x128 Wide Temperature, High Brightness Bar TFT Display with RTP - RFS390E-AWH-DNS

Item Symbol Min Typ Max Unit
Operating Temperature TOP -30 +85
Storage Temperature TST -30 +85

Operating conditions

Item Symbol Condition Min Typ Max Unit
Supply Voltage For LCM VCC - 3.0 - 3.6 V
Supply Current For LCM ICC - - 20 30 mA

LED driving conditions

Parameter Symbol Min. Typ. Max. Unit
LED current 40 mA
Power Consumption 784 840 952 mW
LED voltage VLED+ 19.6 21.0 23.8 V
LED Life Time 50,000 Hr
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