DESCRIPTION
TFT 3.9” is a color active matrix a-Si LCD Q-Panel, using a-Si (amorphous silicon) TFTs (Thin Film Transistors) as an active switching devices. The Q-Panel has a 3.9 inch diagonally measured active area with 480×128 resolutions (480 horizontal by 128 vertical pixel array). Each pixel is divided into RED, GREEN, BLUE dots which are arranged in vertical stripe and this Q-Panel can display 16.7 M colors.
DRAWING
SPECIFICATIONS
Interface
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 |
NC |
No connection |
| 38 |
NC |
No connection |
| 39 |
NC |
No connection |
| 40 |
NC |
No connection |
General Specifications
| Item | Dimension | Unit |
|---|
| Size |
3.9 |
inch |
| Dot Matrix |
480 × RGB × 128 (TFT) |
dots |
| Module dimension |
105.5(W) × 37.0(H) × 3.05(D) |
mm |
| Active area |
95.04 × 25.34 |
mm |
| Pixel Pitch |
0.198 × 0.198 |
mm |
| LCD type |
TFT, Normally Black, Transmissive |
| Viewing Angle |
85/85/85/85 |
| Aspect Ratio |
Bar Type |
| TFT Driver IC |
ST7282A or equivalent |
| Interface |
24-bit RGB |
| Backlight Type |
LED ,Normally White |
| With/Without TP |
Without TP |
| Surface |
Anti-Glare |
Absolute Maximum Ratings
| Item | Symbol | Min | Typ | Max | Unit |
|---|
| Operating Temperature |
TOP |
-30 |
－ |
+80 |
℃ |
| Storage Temperature |
TST |
-40 |
－ |
+90 |
℃ |
Electrical Characteristics
Operating conditions
| Item | Symbol | Min | Typ | Max | Unit |
|---|
| Supply Voltage For LCM |
VCC |
3.0 |
3.3 |
3.6 |
V |
| Supply Current For LCM |
ICC |
- |
14.0 |
25.0 |
mA |
Specifiche di prodotto
|
Size
|
3.9" |
|
Resolution
|
480x128 |
|
Active Area (mm)
|
95.04x25.34 |
|
Color
|
Full Color |
|
Display Interface
|
RGB |
|
Display IC
|
No |
|
View Angle
|
IPS |
|
Sunlight Readable
|
High 601~1200cd/m² |
|
Frame
|
No |
|
Touch Panel
|
No touch |
|
O. Temperature (°C)
|
-30~80 |
|
Data Connection
|
FPC for ZIF Connector |
|
Pin Nr.
|
40 |
|
Pin Pitch
|
0.5mm |
|
Preferred - Not Preferred
|
Preferred |
