
3.0 inch tft lcd transflective display
►transflective Display
►3.0 “transflective LCD
►Resolution : 240×400 dots
►View Direction:12 o’clock
►Interface: RGB vertical stripes
►Driver IC: HX8352B
►RTP/CTP: Optional
►Brightness(cd/m²): 4500
►Outline Dimension: 45.04×77.05×2.6(T)mm
At ewvlcd, 3.0 inch transflective display, we are proud to be one of the leading suppliers of 3.0 inch transflective displays all over the world.
Our 3.0 inch transflective displays are made from the highest quality materials and are designed to provide superior performance in any environment.
Whether you need a 3.0 inch transflective display for indoor or outdoor use, we have a model that will meet your needs.
Our 3.0 inch transflective displays are available in a variety of resolutions and sizes,
so you can find the perfect fit for your application. Contact us today to learn more about our 3.0 inch transflective displays and how we can help you achieve your display goals. If you want 3.0 inch transflective display, kindly contact us for best rates all over the world
General Description
The TF300-19 model is a color TFT LCM this module has a 3.0inch diagonally measured active area with WQVGA(240 horizontal by 400 vertical pixel array).each pixel is divided into red,green,blue dots which are arranged in vertical stripe and this module can display 262K colors.
General Feature
Item | Main Display | Remark |
Display Mode | Normally White, TransFlective LCD | |
Viewing direction | 12 o’clock | |
Driving method | a-si TFT active matrix | |
Input signals | 8/9/16/18bit MCU; SPI+RGB; SPI; | |
Outside dimensions | 45.04mm(W)*77.05mm(H)*2.6mm(D) | |
Active Atea | 38.88mm(W)х64.8mm(H) | |
Number of Pixels | 240x(RGB)х400 pixels | |
Pixel Pitch | 0. 162mm(W)х0. 162mm(H) | |
Pixel Arrangment | RGB vertical stripes | |
Driver IC | HX8352B |
MechanicalDrawing

Interface
LCM PIN Definition
No. | Symbol | Description |
1 | BS0 | See Note1 |
2 | BS1 | See Note1 |
3 | BS2 | See Note1 |
4 | RESET | Active low. This signal is used to reset the device and must be applied to initialize the chip properly. |
5 | VSYNC | Vertical Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
6 | HSYNC | Horizontal Sync signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
7 | PCLK | Pixel clock signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
8 | DE | Data Enable signal in RGB I/F mode.If not used, connect this pad to either VCC or VSS. |
9-26 | DB17-0 | Data Bus. See Note1 |
27 | SDO | Serial Output data. |
28 | SDA | Serial data bus. If not used, connect this pad to either VCC or VSS. |
29 | RD | Read Enable in 80-parallel interface. If not used, connect this pad to VCC. |
30 | WR | Write Enable in 80-parallel interface.Serial interface clock (SCL) in serial data interface. |
31 | RS(SCL) | Display Data/Command selection signal in parallel interface |
32 | CS | Chip select input pin (“Low” enable). |
33 | VCC | Power Supply for Analog(2.5V-3.6V). |
34 | IOVCC | Power Supply for I/O(1.65V-3.6V). |
35 | GND | Ground |
36 | GND | Ground |
37 | LEDK4 | Backlight Cathode4 |
38 | LEDK3 | Backlight Cathode3 |
39 | LEDK2 | Backlight Cathode2 |
40 | LEDK1 | Backlight Cathode1 |
41 | LEDA | Backlight Anode |
42 | XR(NC) | NC |
43 | YD(NC) | NC |
44 | XL(NC) | NC |
45 | YU(NC) | NC |
NOTE1:

VSS=0V,VDD=2.80±0.05V,TOPR =-20~70℃
Electrical Specification
DC Characteristics
Item | Symbol | Condition | Min. | Typ. | Max. | Unit |
Supply power | VDD | 2.7 | 2.8 | 2.9 | V | |
Input high voltage | VIH | 0.7VDD | - | VDD | ||
Input low voltage | VIL | 0 | - | 0.2VDD | ||
Output high voltage | V0H | 0.8VDD | - | - | ||
Output low voltage | V0L | - | - | 0.2VDD | ||
Logic current consumption | IDD | - | — | — | mA | |
Current consumption during standby mode | Is | - | — | - | uA |
Absolute Maximum Ratings
Item | Symbol | Ratings | Unit | Condition |
Operating power | VDD | -0.3~3.6 | V | |
Operating temperature | TOPR | -20~+70 | ℃ | No condensation |
Storage temperature | TSTR | -30~+80 | ℃ | No condensation |
Backlight Circuit Characteristics
Item | Symbol | Min | Typ. | Max. | Unit | Condition |
Operating voltage | VLED | 3.0 | 3.2 | 3.3 | V | ILED =80 mA |
Operating current | ILED | - | 80 | - | mA | – |
Back blight luminance(display white) | - | 4500 | - | cd/m2 | ILED =80 mA |
Optical Specification
Optical characteritics are determind after the unit has been on and stable for approximately 30 minutes dark environment at 25℃.the value specified are at an approximate distance 500mm from the lcd surface at a viewing angle and θ equal to 0
Transmissive mode
parameter |
Symbol |
Condition |
Min |
Typ |
Max |
Unit |
||
Viewing Angle |
Φ=0° (3:00) |
θ |
Cr>10 |
– |
70 |
– |
deg |
|
Φ=90° (12:00) |
– |
70 |
– |
|||||
Φ= 180° (9:00) |
– |
70 |
– |
|||||
Φ= 270° (6:00) |
– |
55 |
– |
|||||
Contrast ratio |
Cr |
θ=0 Φ=0 |
– |
300 |
– |
|||
Respone time |
Tr+Tf |
– |
(35) |
– |
ms |
|||
Surface Luminance |
Lv |
– |
(250) |
– |
Cd/m2 |
|||
CIE(x,y) chromaticty |
RED |
X |
θ=0 Φ=0 |
0.623 |
0.643 |
0.663 |
||
Y |
0.313 |
0.333 |
0.353 |
|||||
GREEN |
X |
0.284 |
0.304 |
0.324 |
||||
Y |
0.558 |
0.578 |
0.598 |
|||||
BLUE |
X |
0.121 |
0.141 |
0.161 |
||||
Y |
0.117 |
0.137 |
0.157 |
|||||
WHITE |
X |
0.294 |
(0.314) |
0.334 |
||||
Y |
0.326 |
(0.336) |
0.366 |
Reflective mode
Item |
Symbol |
Specifications |
Unit |
Note |
||
Min. |
Typ. |
Max. |
||||
Reflection Ratio (With Polarizer) |
R (θ=φ=0°) |
– |
9 |
– |
% |
|
Reflective Contrast Ratio |
Cr (θ=0°) |
– |
35 |
– |
||
Viewing angle (Cr≥ 2)* |
Φ=0° (3:00) |
– |
70 |
– |
deg |
|
Φ=90° (12:00) |
– |
70 |
– |
|||
Φ= 180° (9:00) |
– |
70 |
– |
|||
Φ= 270° (6:00) |
– |
55 |
– |