4 Inch 540x1080 High PPI IPS TFT LCD ST7703S MIPI Interface Product Introduction
SAEF TECHNOLOGY SF-TO400AS-8986A-N is a 4 inch full TFT-LCD display with 540 (RGB)X 1080 dots (540 horizontal by 1080 vertical pixels array). The supply voltage (VCC) of driving LCD panel is from is 2.4V to 3.3V, typical voltage is 2.8V. and supporting MIPI interface. It can be used in embedded systems, automation, GPS, medical equipment, industrial device, smart home, security equipment which requires TFT display in high quality and colorful image.
SF-TO400AS-8986A-N is an IPS-LCD type ( IPS means In-plane Switching) TFT with brightness 350 cd/m2 (typical value). the brightness can be customized achieving 1000 nits. pls contact our sales for more details. It can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.
Product Features
| Product: | 4" Inch IPS TFT LCD | Resolution: | 540x1080 Pixels |
| Viewing Direction: | IPS All Viewing Angles | Touch Screen: | Without, Resistive And PCAP Optional |
| Cover Lens: | Can Be Customized | Surface Luminance: | 350 Cd/m2 ( Customizable) |
| Interface: | MIPI (Customizable) | Pin Number: | 30 Pins |
| Connection: | Connector Type ( Customizable) | Driver IC: | ST7703 |
| Operating Temp.: | -20℃ To +70℃ | Compliance: | REACH & RoHS Compliant |
Why Choose us
1. We provide LCD Display custom solution
Does your product have special application requirements, electrical specifications, optical specifications, touch features, or mechanical dimensions that require customized displays? SAEF can meet your custom LCD requirements.
2. Total solutions for Touch screen and display
Are you worried about assembling the touch screen and display screen? SAEF can provide custom and standard touch screen including Resistive and Capacitive multi-touch solutions including air & optical bonding service as well.
3. Commitment to quality reliability
SAEF is Qualified by ISO9001:2015 and ISO14000, meeting the RoHS, REACH and other environmental rules in global markets. We ensure quality through the manufacturing IQC,PQC and OQC management, reliability and aging testing.
4. Long-term supply
Under normal circumstances, the products we recommend can be supplied for more than 5 years. If there are special needs, we will make alternative plans in advance to ensure your long-term supply requirements.
4 Inch 540x1080 High PPI IPS TFT LCD ST7703S MIPI Interface Product Drawing
Interface Pin Definition
| NO | SYMBOL | FUNCTION |
| 1 | RST_LCM | This signal will reset the device and it must be applied to properly initialize the chip. Signal is active low. |
| 2 | TE_LCM | Tearing effect signal is used to synchronize MCU to frame memory writing. |
| 3 | GND | Power Ground |
| 4 | TDP0 | MIPI Data Lane |
| 5 | TDN0 | MIPI Data Lane |
| 6 | GND | Power Ground |
| 7 | TDP1 | MIPI Data Lane |
| 8 | TDN1 | MIPI Data Lane |
| 9 | GND | Power Ground |
| 10 | TDP2 | MIPI Data Lane |
| 11 | TDN2 | MIPI Data Lane |
| 12 | GND | Power Ground |
| 13 | TDP3 | MIPI Data Lane |
| 14 | TDN3 | MIPI Data Lane |
| 15 | GND | Power Ground |
| 16 | TCP | MIPI Clk |
| 17 | TCN | MIPI Clk |
| 18 | GND | Power Ground |
| 19 | IOVCC1.8V | Power Supply for I/O system. IOVCC= 1.65V~3.3V. |
| 20 | LEDA | LED Anode |
| 21 | LEDK | LED Cathode |
| 22 | ID1 | ID |
| 23 | NC | NC |
| 24 | VDD2V8 | Power Supply for Analog, VDD=2.5V~3.3V. |
| 25 | NC | NC |
| 26 | SDA_CTP | I²C data signal of Touch Panel；If no used ,let this pin open. |
| 27 | SCL_CTP | I²C clock signal of Touch Panel；If no used ,let this pin open. |
| 28 | EINT_CTP | Interrupt signal to main processor of Touch Panel；If no used ,let this pin open. |
| 29 | RST_CTP | System reset of Touch Panel；If no used ,let this pin open. |
| 30 | VDD2.8_CTP | Power Supply for Analog, VDD=2.4V~3.3V. |
Absolute Maximum Ratings
| Item | Symbol | Min. | Max. | Unit |
| Supply Voltage | Power supply | VDD | -0.3 | +4.6 | V |
| Analog | – | – | – | V |
| IO | IOVDD | -0.3 | +4.6 | V |
| Input Voltage | Vi | -0.3 | IOVDD+0.3 | V |
| Storage temperature | Tstg | -30 | +70 | ºC |
| Operating temperature | Top | -20 | +60 | ºC |
| Storage humidity | Hstg | 10 | Note 1 | %RH |
| Operating humidity | Hop | 10 | Note 1 | %RH |
DC Characteristics
| Item | Symbol | Min. | Typ. | Max. | Unit |
| Supply Voltage | Power supply | VDD | 2.4 | 2.8 | 3.3 | V |
| Analog | VCI | 2.4 | 2.8 | 3.3 | V |
| IO | IOVDD | 1.65 | 1.8/2.8 | 3.3 | V |
| Logic Low input voltage | VIL | -0.3IOVDD | – | 0.3IOVDD | V |
| Logic High input voltage | VIH | 0.7IOVDD | – | IOVDD | V |
| Logic Low output voltage | VOL | – | – | 0.2IOVDD | V |
| Logic High output voltage | VOH | 0.8IOVDD | – | – | V |
| Current Consumption | Normal display | Ivdd | – | 50 | – | mA |
| Standby mode | Ivdd | – | 30 | – | uA |
| Frame Frequency | fFR | – | 60 | – | Hz |
Optical Specifications
| Backlight On (Transmissive Mode) | Item | Symbol | Condition | Specification | Unit |
| Min. | Typ. | Max. |
| Luminance on surface( If =20mA) | Lv | Normally viewing angle θX = θY =0º | - | 350 | - | cd/m² |
| Contrast ratio | CR | - | 600 | - | - |
| Response time | TR | - | 10 | 20 | ms |
| TF | - | - | 20 | 30 |
| Chromaticity Transmissive | Red | XR | - | 0.614 | 0.644 | 0.674 | - |
| YR | 0.290 | 0.320 | 0.350 | - |
| Green | XG | 0.270 | 0.300 | 0.330 | - |
| YG | 0.540 | 0.570 | 0.600 | - |
| Blue | XB | 0.104 | 0.134 | 0.164 | - |
| YB | 0.097 | 0.127 | 0.157 | - |
| White | XW | 0.267 | 0.297 | 0.327 | - |
| YW | 0.302 | 0.332 | 0.362 | - |
| Viewing Angle | Horiz ontal | θX+ | Center CR≥10 | - | 80 | - | Deg. |
| θX- | - | 80 | - |
| Vertic al | θY+ | - | 80 | - |
| θY- | - | 80 | - |
| | NTSC Ratio(Gamut) | - | - | - | 60 | - | % |
| | | | | | | | |
4 Inch 540x1080 High PPI IPS TFT LCD ST7703S MIPI Interface Product Image
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