This datasheet gives detailed information about the Riverdi 4.3″ EVE1 displays. The displays come in different versions: with capacitive, resistive, or no touchscreen, with a decorative cover glass, as well as with our without a metal mounting frame
Rev.1.0
2019-06-07
| ITEM | CONTENTS | UNIT | |
| LCD Type | TFT/Transmissive/Normally white | / | |
| Size | 4.3 | Inch | |
| Viewing Direction | 12:00 (without image inversion) | O’ Clock | |
| Gray Scale Inversion Direction | 6:00 | O’ Clock | |
| Number of Dots | 480 x (RGB) × 272 | / | |
| Driver IC | FT80x | / | |
| Interface Type | SPI/I2C | / | |
| Brightness | no touch module | 550 | cd/m2 |
| CTP module | 500 | ||
| RTP module | 440 | ||
| Color Depth | 262k | / | |
| Pixel Arrangement | RGB Vertical Stripe | / | |
| Surface Treatment | Anti-glare / Clear (for CTP) | / | |
| Input Voltage | 3.3 | V | |
Note 1: RoHS, REACH SVHC compliant
Note 2: LCM weight tolerance: ± 5%.
Revision Record
| REV NO. | REVDATE | CONTENTS | REMARKS |
| 1.0 | 2019-06-07 | Initial Release |
Table of Content
10. Touch screen panel specifications
10.1. Electrical characteristics
10.1.1. For capacitive touch panel
10.1.2. For resistive touch panel
10.2. Mechanical characteristics
10.2.1. For capacitive touch panel
10.2.2. For resistive touch panel
11. Inspection
11.1. Inspection condition
11.2. Inspection standard
12. Reliability test
1. Module classification information
| RV | T | 4.3 | x | 480 272 | C | x | W | x | 0x |
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. |
| 1. | BRAND | RV – Riverdi |
| 2. | PRODUCT TYPE | T – TFT Standard |
| 3. | DISPLAY SIZE | 43 – 4.3” |
| 4. | MODEL SERIAL NO. | x (A-Z) |
| 5. | RESOLUTION | 480272– 480×272 px |
| 6. | INTERFACE | C– TFT+controller FT8xx |
| 7. | FRAME | N – No Frame F – Mounting Frame |
| 8. | BACKLIGHT TYPE | W – LED White |
| 9. | TOUCH PANEL | N – No Touch Panel R – Resistive Touch Panel C – Capacitive Touch Panel |
| 10. | VERSION | 0x (00-99) |
2. Assembly guide – integration
Three options of rear side adhesive tape are available: double side adhesive tape 0.2 mm with 3M 467MP glue, foam double side adhesive tape 0.5 mm with DST 3M 9495LE glue or without any tape.
There are also two versions of glass color: black and white.
Rear side adhesive tape options:
 |  |  |
| Double side adhesive tape with DST 3M 9495LE glue (total thickness 0.2mm) | Foam double side adhesive tape with 3M 9495LE glue (total thickness 0.5mm) | Without tape |
Cover glass color options:
 |  |
| BLACK | WHITE |
Product options:
| PART NUMBER | DESCRIPTION | |
| RVT43ULFNWC00 | FT801, uxTouch, black cover glass, 0.2mm DST | |
| RVT43ULFNWC01 | FT801, uxTouch, black cover glass, 0.5 mm DST | |
| RVT43ULFNWC02 | FT801, uxTouch, black cover glass, no DST | |
| RVT43ULFNWC03 | FT801, uxTouch, white cover glass, 0.2mm DST | |
| RVT43ULFNWC04 | FT801, uxTouch, white cover glass, 0.5 mm DST | |
| RVT43ULFNWC05 | FT801, uxTouch, white cover glass, no DST | |
2.1. UxTouch assembly
UxTouch are LCD TFT displays with specially designed projected capacitive touch panels. UxTouch display can be mounted without any holed in the housing. Our standard UxTouch displays include double-sided adhesive tape (DST) to stick TFT easily to the housing. Basic series include 4.3”, 5.0” and 7.0” display sizes.
UxTouch models with double-side adhesive tape (PN with endings 00, 01, 03, 04) can be mounted by connecting the glass to the housing. Riverdi recommends to use support brackets assembled to display’s back. An additional support will stiffen the whole structure and minimize the influence of external factors such as vibration. Figure 1 and Figure 2 below show examples of using support elements.
Figure 1. Example of using support brackets
2.2. Mounting frame
For dimensions 3.5”, 4.3”, 5.0” and 7.0” the product with mounting frame version is available. Thanks to the four catches attached to the side, frame provides strong assembly to the surface by mounting element (like the screw, see Figure 3). The frames are specially designed to fit Riverdi products perfectly. The diameter of the mounting hole is 3.5mm.
Figure 2. Mounting frame
3. Drawings
4. Absolute maximum ratings
| PARAMETER | SYMBOL | MIN | MAX | UNIT |
| Supply Voltage for Logic | VDD | -0.3 | 3.6 | V |
| Input Voltage for Logic | VIN | -0.3 | VDD | V |
| Input Voltage ForLED inverter | BLVDD | -0.3 | 7.0 | V |
| Operating Temperature | TOP | -20 | 70 | °C |
| Storage Temperature | TST | -30 | 80 | °C |
| Humidity | RH | – | 90% (Max 60°C) | RH |
5. Electrical characteristics
| PARAMETER | SYMBOL | MIN | TYP | MAX | UNIT | NOTES |
| Supply Voltage For Module | VDD | 3.0 | 3.3 | 3.6 | V | |
| Input Voltage For LED inverter | BLVDD | 2.8 | 3.3 | 5.5 | V | |
| Input Current (Exclude LED Backlight) | IDD | – | 70 | 87 | mA | VDD=3.3V |
| LED Backlight Current | IDDbacklight | – | 260 | 325 | mA | BLVDD=3.3V |
| LED Backlight Current | IDDbacklight | – | 150 | 187 | mA | BLVDD=5V |
| Total Input current (Include LED Backlight 100%) | IDDtotal | – | 330 | 412 | mA | BLVDD=3.3V |
| Input Voltage ‘H’ level | Vih | 0.7VDD | – | VDD | V | |
| Input Voltage ‘L’ level | Vil | 0 | – | 0.2VDD | V | |
| LED Life Time | – | 30000 | 50000 | – | Hrs | Note1 |
Note: The LED life time is defined as the module brightness decrease to 50% original brightness at Ta=25°C.
6. Electro-optical characteristics
| ITEM | SYMBOL | CONDITION | MIN | TYP | MAX | UNIT | REMARK | NOTE | ||||
| Response Time | Tr+Tf | θ=0° ∅=0° Ta=25 | – | 20 | 30 | ms | Figure 4 | 4 | ||||
| Contrast Ratio | Cr | 320 | 400 | – | — | Figure 5 | 1 | |||||
| Luminance Uniformity | δ WHITE | 80 | – | – | % | Figure 5 | 3 | |||||
Surface Luminance | TFT | Lv | 440 | 550 | – | cd/m2 | Figure 5 | 2 | ||||
| TFT+CTP | 400 | 500 | – | |||||||||
| TFT+RTP | 350 | 440 | – | |||||||||
Viewing Angle Range | θ | ∅ = 90° | 35 | 50 | – | deg | Figure 6 | 6 | ||||
| ∅ = 270° | 55 | 70 | – | deg | Figure 6 | |||||||
| ∅ = 0° | 55 | 70 | – | deg | Figure 6 | |||||||
| ∅ = 180° | 55 | 70 | – | deg | Figure 6 | |||||||
CIE (x, y) Chromaticity | Red | x | θ=0° ∅=0° Ta=25 | 0.57 | 0.62 | 0.67 | Figure 6 | 5 | ||||
| y | 0.294 | 0.344 | 0.394 | |||||||||
Green | x | 0.256 | 0.306 | 0.356 | ||||||||
| y | 0.513 | 0.563 | 0.613 | |||||||||
Blue | x | 0.083 | 0.133 | 0.183 | ||||||||
| y | 0.099 | 0.149 | 0.199 | |||||||||
White | x | 0.25 | 0.3 | 0.35 | ||||||||
| y | 0.28 | 0.33 | 0.38 | |||||||||
Note 1. Contrast Ratio(CR) is defined mathematically as below, for more information see Figure 4 .
Note 2. Surface luminance is the LCD surface from the surface with all pixels displaying white. For more information, see Figure 4 .
Note 3. The uniformity in surface luminance δ WHITE is determined by measuring luminance at each test position 1 through 5, and then dividing the maximum luminance of 5 points luminance by minimum luminance of 5 points luminance. For more information, see Figure 4 .
Note 4. Response time is the time required for the display to transition from white to black (Rise Time, Tr) and from black to white (Decay Time, Tf). For additional information see FIG 1. The test equipment is Autronic-Melchers’s ConoScope series.
Note 5. CIE (x, y) chromaticity, the x, y value is determined by measuring luminance at each test position 1 through 5, and then make average value.
Note 6. Viewing angle is the angle at which the contrast ratio is greater than 2. For TFT module the contrast ratio is greater than 10. The angles are determined for the horizontal or x axis and the vertical or y axis with respect to the z axis which is normal to the LCD surface. For more information see Figure 4.
Note 7. For viewing angle and response time testing, the testing data is based on Autronic-Melchers’s ConoScope series. Instruments for Contrast Ratio, Surface Luminance, Luminance Uniformity, CIE the test data is based on TOPCON’s BM-5 photo detector.
Note 8. For TFT module, Gray scale reverse occurs in the direction of panel viewing angle.
Figure 3. The definition of response time
Figure 4. Measuring method for Contrast ratio, surface luminance, Luminance uniformity, CIE (x, y) chromaticity
Figure 5. The definition of viewing angle
7. Interface description
| PIN NO. | SYMBOL | DESCRIPTION |
| 1 | VDD | Power Supply |
| 2 | GND | Ground |
| 3 | SPI_SCLK/ I2C_SCL | SPI SCK Signal / I2C SCL Signal, Internally 47k Pull UP |
| 4 | MISO/ I2C_SDA | SPI MISO Signal / I2C SDA Signal, Internally 47k Pull UP |
| 5 | MOSI/ I2C_SA0 | SPI MOSI Signal / I2C Slave Address Bit 0, Internally 47k Pull UP |
| 6 | CS/I2C_SA1 | SPI Chip Select Signal / I2C Slave Address Bit 1, Internally 47k Pull UP |
| 7 | INT | Interrupt Signal, Active Low, Internally 47k Pull UP |
| 8 | PD | Power Down Signal, Active Low, Internally 47k Pull UP |
| 9 | MODE | Host Interface SPI(Pull Low) or I2C(Pull Up) Mode Select Input, Internally 10k Pull DOWN |
| 10 | AUDIO_OUT | Audio Out Signal |
| 11 | NC | Not Connected |
| 12 | NC | Not Connected |
| 13 | NC | Not Connected |
| 14 | NC | Not Connected |
| 15 | NC | Not Connected |
| 16 | NC | Not Connected |
| 17 | BLVDD | Backlight Power Supply, Can Be Connected to VDD |
| 18 | BLVDD | Backlight Power Supply, Can Be Connected to VDD |
| 19 | BLGND | Backlight Ground, Internally connected to GND |
| 20 | BLGND | Backlight Ground, Internally connected to GND |
8. FT80x Controller specifications
FT80x or EVE (Embedded Video Engine) simplifies the system architecture for advanced human machine interfaces (HMIs) by providing functionality for display, audio, and touch as well as an object-oriented architecture approach that extends from display creation to the rendering of the graphics.
8.1. Serial host interface
Figure 6. SPI interface connection
Figure 7. I2C interface connection
SPI Interface – the SPI slave interface operates up to 30MHz.
Only SPI mode 0 is supported. The SPI interface is selected by default (MODE pin is internally pulled low by 47k resistor).
I²C Interface – the I²C slave interface operates up to 3.4MHz, supporting standard-mode, fast-mode, fast-mode plus and high-speed mode.
The I²C device address is configurable between 20h to 23h depending on the I²C_SA[1:0] pin setting, i.e. the 7-bit I2C slave address is 0b’01000A1A0.
The I²C interface is selected when the MODE pin is tied to VDDIO.
8.2. Block diagram
Figure 8. FT80x Block diagram
8.3. Host Interface SPI mode 0
Figure 9. SPI timing diagram
For more information about FT801 controller please go to official FT801 Datasheet.
http://www.ftdichip.com/Support/Documents/DataSheets/ICs/DS_FT801.pdf
8.4. Backlight driver block diagram
Backlight enable signal is internally connected to FT80x Backlight control pin. This pin is controlled by two FT80x’s registers. One of them specifies the PWM output frequency, second one specifies the duty cycle. Refer to FT80x datasheet for more information.
Figure 10. Backlight driver block diagram
9. LCD timing characteristics
9.1. Clock and data input time diagram
Figure 11. Clock and data input time diagram
9.2. Parallel RGB input timing table
| PARAMETER | SYMBOL | MIN | TYP | MAX | UNIT | |
| DCLK Frequency | Fclk | 5 | 9 | 12 | MHz | |
| VSD Period Time | Tv | 277 | 288 | 400 | H | |
| VSD Display Area | Tvd | 272 | H | |||
| VSD Back Porch | Tvb | 3 | 8 | 31 | H | |
| VSD Front Porch | Tvfp | 2 | 8 | 97 | H | |
| HSD Period Time | Th | 520 | 525 | 800 | DCLK | |
| HSD Display Area | Thd | 480 | DCLK | |||
| HSD Back Porch | Thbp | 36 | 40 | 255 | DCLK | |
| HSD Front Porch | Thfp | 4 | 5 | 65 | DCLK | |
10. Touch screen panel specifications
10.1. Electrical characteristics
10.1.1. For capacitive touch panel
| DESCRIPTION | SPECIFICATION | |
| Operating Voltage | DC 2.8~3.3V | |
| Power Consumption (IDD) | Active Mode | 10~18mA |
| Sleep Mode | 30~50μA | |
| Interface | I2C | |
| Linearity | <1.5% | |
| Controller | FT5446 | |
| I2C address | 0x38 (7-bit address) | |
| Resolution | 1280*768 | |
10.1.2. For resistive touch panel
| ITEM | VALUE | UNIT | REMARK | ||
| Min. | Typ. | Max. | |||
| Linearity | -3.0 | – | 3.0 | % | Analog X and Y directions |
| Terminal Resistance | 400 | – | 1050 | Ω | X |
| 100 | – | 450 | Ω | Y | |
| Insulation Resistance | – | – | – | MΩ | DC 25V |
| Voltage | – | – | 10 | V | DC |
| Chattering | – | – | 10 | ms | 100kΩ pull-up |
| Transparency | 80 | – | – | % | JIS K7105 |
Note: Avoid operating with hard or sharp material such as a ball point pen or a mechanical pencil except a polyacetal pen (tip R0.8mm or less) or a finger
10.2. Mechanical characteristics
10.2.1 for capacitive touch panel
| DESCRIPTION | INL SPECIFICATION | REMARK |
| Touch Panel Size | 4.3 inch | |
| Outline Dimension (OD) | 103.1mm x 65.4mm | Cover Lens Outline |
| Outline Dimension (OD) – UxTouch | 120.38mm x 79.20mm | Cover Lens Outline |
| Product Thickness | 1.7mm | |
| Glass Thickness | 0.7mm | |
| Ink View Area | 97.0mm x 55.5mm | |
| Sensor Active Area | 97.4mm x 56.4mm | |
| Input Method | 5 Finger | |
| Activation Force | Touch | |
| Surface Hardness | ≥7H |
10.2.2. For resistive touch panel
| ITEM | VALUE | UNIT | REMARK | ||
| Min. | Typ. | Max. | |||
| Activation Force | 80 | – | – | gf | Note 1 |
| Durability – Surface Scratching | Write 100,000 | – | – | characters | Note 2 |
| Durability-Surface Pitting | 1,000,000 | – | – | touches | Note 3 |
| Surface Hardness | 3 | – | – | H | JIS K5400 |
Note 1: Force test condition, Input DC 5V on X direction, Drop off Polyacetal Stylus (R0.8), until output voltage stabilize, then get the R8.0mm Silicon rubber and do finger Activation force test. Next step, 9 points.
Note 2: Measurement surface area conditions, Scratch 100,000 times straight line on the film with a stylus change every 20,000 times with Force: 250gf, Speed: 60mm/sec by R0.8 polaceteal stylus.
Note 3: Pitting test, Pit 1, 000, 000 times on the film with R0.8 silicon rubber with Force: 250gf and Speed: 2 times/sec.
11. Inspection
Standard acceptance/rejection criteria for TFT module.
11.1. Inspection condition
Ambient conditions:
- Temperature: 25±°C
- Humidity: (60±10) %RH
- Illumination: Single fluorescent lamp non-directive (300 to 700 lux)
Viewing distance:
35±5cm between inspector bare eye and LCD.
Viewing Angle:
U/D: 45°/45°, L/R 45°/45°
11.2 Inspection standard
| Item | Criterion | ||||||||||||||||||||||||||||||||||||
| Black spots, white spots, light leakage, Foreign Particle (round Type) |
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| LCD black spots, white spots, light leakage (line Type) |
| ||||||||||||||||||||||||||||||||||||
| Item | Criterion | ||||||||||||||||||||||||
| Clear spots |
*Spots density: 10 mm | ||||||||||||||||||||||||
| Polarizer bubbles |
| ||||||||||||||||||||||||
| Electrical Dot Defect |
| ||||||||||||||||||||||||
| Item | Criterion | ||||||||||||||||||||||||||||||||
| Touch panel spot |
| ||||||||||||||||||||||||||||||||
| Touch panel White Line Scratch |
| ||||||||||||||||||||||||||||||||
12. Reliability test
| NO. | TEST ITEM | TEST CONDITION |
| 1 | High Temperature Storage | 80±2°C/240hours |
| 2 | Low Temperature Storage | -30±2°C/240hours |
| 3 | High Temperature Operating | 70±2°C/240hours |
| 4 | Low Temperature Operating | -20±2°C/240hours |
| 5 | Temperature Cycle | -30±2°C~25~80±2°C × 20 cycles (30min.) (5min.) (30min.) |
| 6 | Damp Proof Test | 60°C ±5°C × 90%RH/240hours |
| 7 | Vibration Test | Frequency 10Hz~55Hz Amplitude of vibration : 1.5mm Sweep: 10Hz~55Hz~10Hz X, Y, Z 2 hours for each direction. |
| 8 | Package Drop Test | Height:60 cm 1 corner,3 edges,6 surfaces |
| 9 | ESD Test | Air: ±4KV 150pF/330Ω 5 times Contact: ±2KV 150pF/330Ω 5 time |
Note 1: Without water condensation.
Note 2: The function test shall be conducted after 2 hours storage at the room temperature and humidity after removed from the test chamber.
