Home Products TFT LCD Bar Type TFT LCD WF39BTLASDNGA

3.9" Bar Type Color TFT (PCAP)

Model No. WF39BTLASDNGA

►Size : 3.9”
►Resolution : 480x128 dots
►View Direction : 6H
►Interface : RGB
►TFT Driver IC : HX8278-A Or Equal
►Control-Board : Without control board
►Brightness(cd/m²) : 400
►Frame Through Hole : No
►Touch Screen : Projected capacitive touch panel (PCAP)

DESCRIPTION

WF39BTLASDNGA is Winstar 3.9” Bar type WF39B series TFT display with Capacitive Touch Panel. This model is featured with resolution 480x128 pixels; built in with Driver IC HX8278, it supports RGB interface; 3.3V (typical) power supply; supports SYNC mode or DE mode, default SYNC mode. Its luminance is 400 Nits; Contrast ratio of 500:1, gray scale inversion direction 12 o’clock. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

This panorama widescreen 3.9 inch WF39B TFT-LCD display offers high quality and colorful image; it is especially suitable for server system, audio system and advertising display, auto/aviation/marine equipment, security equipment, Industrial equipment, outdoor intercom systems and control panels, medical equipment, drone controls.

DRAWING

WF39BTLASDNGA - 3.9" Bar Type Color TFT (PCAP) - Winstar Display

SPECIFICATIONS

Interface

LCM PIN Definition

No. Symbol Description
1 VLED- Backlight LED Cathode
2 VLED+ Backlight LED Anode.
3 GND System Ground
4 VCC Power supply for logic operation
5~12 R0~R7 Data bus
13~20 G0~G7 Data bus
21~28 B0~B7 Data bus
29 GND System Ground
30 DCLK Pixel clock signal
31 DISP Display on/off control
32 HSYNC Horizontal Sync signal
33 VSYNC Vrtical Sync signal
34 NC No connection (Option DE)
35 NC No connection
36 GND System Ground
37 NC No connection
38 NC No connection
39 NC No connection
40 NC No connection

PCAP PIN Definition

Pin Symbol Function
1 VSS Ground for analog circuit
2 VDDT Power Supply : +3.0V
3 SCL I2C clock input
4 NC No connect
5 SDA I2C data input and output
6 NC No connect
7 /RST External Reset, Low is active
8 NC No connect
9 /INT External interrupt to the host
10 VSS Ground for analog circuit

General Specifications

Item Dimension Unit
Size 3.9 inch
Dot Matrix 480 × 128 × RGB (TFT) dots
Module dimension 105.5(W) × 37.0(H) × 5.13(D) mm
Active area 95.04 × 25.34 mm
Dot pitch 0.066(W) × 0.198(H) mm
LCD type TFT, Normally White, Transmissive
View Direction 6 o'clock
Gray Scale Inversion Direction 12 o'clock
Aspect Ratio Bar Type
Backlight Type LED, Normally White
TFT Driver IC HX8278-A Or Equal
TFT Interface RGB-24BIT (SYNC mode)
PCAP IC GT911 or equivalent
PCAP FW Version  
Touch Screen Projected capacitive touch screen (PCAP)
Surface Glare

Absolute Maximum Ratings

Item Symbol Min Typ Max Unit
Operating Temperature TOP -20 +70
Storage Temperature TST -30 +80

Electronical Characteristics

Item Symbol Condition Min Typ Max Unit
Supply Voltage For LCM VCC 3.0 3.3 3.6 V
Supply Current For LCM ICC 15 25 mA
Supply Voltage For Touch Logic VDDT 2.8 3.3 V

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