4.0 Inch ePaper Display Overview
ND040EPN600400-A01 is a 4.0-inch six-color ePaper display with a 600 × 400 E Ink Spectra 6 panel and SPI interface. Its reflective image area supports colored text, icons and product graphics without a backlight. The existing specification lists UC8179 and a 50-pin connection; verify the panel configuration, supply rails, power sequencing, initialization and color waveforms before designing the driver circuit.
Retail product signs, compact information panels and battery-powered IoT devices can use this module for periodically refreshed content. Evaluate color conversion, text size and refresh scheduling against the intended viewing layout. NoseDisplay can assess ESP32 or STM32 host connections and suitable Raspberry Pi driver arrangements, with FPC routing, protective cover lenses, enclosure fitting and prototype firmware support reviewed for each OEM configuration.
ND040EPN600400-A01 is a 4.0-inch 600 × 400 six-color E Ink Spectra 6 ePaper module with SPI and a 50-pin connection. It suits compact product signs and information panels with periodic updates. The specification lists UC8179; confirm the selected panel driver, supply rails, power sequencing, initialization and color waveforms. NoseDisplay can evaluate host connections, image conversion, cover lenses and OEM prototype requirements.
Technical Specifications
Mechanical Drawing & Interface Definition
Model: ND040EPN600400-A01
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PIN Description
| Pin No. | Symbol | Description |
|---|---|---|
| 01 | NC | No connection; do not connect to other NC pins. |
| 02 | TFT_VCOM | Type: P. TFT_VCOM driving voltage. |
| 03 | FPL_VCOM | Type: P. FPL_VCOM driving voltage. |
| 04 | NC | No connection. |
| 05 | GDRH | Type: I/O. N-channel MOSFET gate drive control. |
| 06 | RESEH | Type: I/O. Current sense input for the control loop. |
| 07 | GDRL | Type: I/O. Reserved. |
| 08 | GND | Type: P. Ground. |
| 09 | GDRC | Type: I/O. P-channel MOSFET gate drive control. |
| 10 | RESEC | Type: I/O. Current sense input for the control loop. |
| 11 | VPC | Type: P. VPC driving voltage. |
| 12 | GND | Type: P. Ground. |
| 13 | VGL | Type: P. Negative gate driving voltage. |
| 14 | VPH | Type: P. VPH driving voltage. |
| 15 | VSH | Type: P. Positive source driving voltage. |
| 16 | VSH_LV | Type: P. Positive source driving voltage. |
| 17 | VSH_LV2 | Type: P. Positive source driving voltage. |
| 18 | VSL | Type: P. Negative source driving voltage. |
| 19 | VSL_LV | Type: P. Negative source driving voltage. |
| 20 | VSL_LV2 | Type: P. Negative source driving voltage. |
| 21 | GNDA | Type: P. Ground; connect to GND. |
| 22 | REFN | Reserved. |
| 23 | REFP | Reserved. |
| 24 | TSCL | Type: O. I²C interface to digital temperature sensor clock pin. |
| 25 | TSDA | Type: I/O. I²C interface to digital temperature sensor data pin. |
| 26 | BS0 | Type: I. Bus selection pin: L = 4-wire interface; H = 3-wire interface (default). |
| 27 | BS1 | Type: I. Bus selection pin: L = refer to BS0 (default); H = standard 4-wire SPI / dual SPI / quad SPI. |
| 28 | RES# | Type: I. Reset. |
| 29 | BUSY_N | Type: O. Busy state output pin. |
| 30 | D/C# | Type: I. Data/command control pin (D/C). |
| 31 | CS# | Type: I. Chip select input pin (CSB). |
| 32 | SCL | Type: I. Serial clock pin (SPI). |
| 33 | SI0 | Type: I/O. Serial data pin (SPI). |
| 34 | SI1 | Type: I/O. Serial data pin; reserved. |
| 35 | SI2 | Type: I/O. Serial data pin; reserved. |
| 36 | SI3 | Type: I/O. Serial data pin; reserved. |
| 37 | VDDD0 | Type: P. Core logic power pin; connect to VDDD. |
| 38 | VDD | Type: P. Supply voltage. |
| 39 | GND | Type: P. Ground; connect to GNDA. |
| 40 | VDDIO | Type: P. Supply voltage. |
| 41 | VCP2 | Type: P. Charge pump pin. |
| 42 | CP2N | Type: P. Charge pump pin. |
| 43 | CP2P | Type: P. Charge pump pin. |
| 44 | VCP1 | Type: P. Charge pump pin. |
| 45 | CP1N | Type: P. Charge pump pin. |
| 46 | CP1P | Type: P. Charge pump pin. |
| 47 | CGH1N | Charge pump pin; reserved. |
| 48 | CGH1P | Charge pump pin; reserved. |
| 49 | VGH | Type: P. Positive gate driving voltage. |
| 50 | VCOMBD | Type: P. VCOMBD driving voltage. |
Sample Ordering & Delivery
ND040EPN600400-A01 4.0-inch engineering samples support prototypes and driver evaluation. Shipping is charged separately; duties and taxes are excluded. Estimated delivery includes preparation. Confirm final terms before payment.
Sample MOQ
3 pcs per modelMinimum 3 pcs per model.
Preparation Time
4 daysAfter order and payment confirmation.
Standard Delivery
Shipping Fee
Transit Time: ～11 days
Total Time: ～15 days
Express Delivery
Shipping Fee
Transit Time: ～4 days
Total Time: ～8 days
4.0 Inch ePaper Display Applications
ND040EPN600400-A01 suits compact retail product signs, smart home information panels and battery-powered IoT status displays. The six-color image area can distinguish product graphics and color-coded information, with text readability, image conversion and update intervals assessed for the intended device.
Electronic Shelf Labels
Smart Home Status
IoT Status Displays
Equipment Labels
Matching Driver Board
Driver evaluation for ND040EPN600400-A01 must match the six-color Spectra 6 panel, SPI signals and 50-pin connection. The current specification lists UC8179; confirm the selected panel and controller configuration before firmware reuse. Review supply rails, ePaper refresh current, power sequencing, initialization and color waveforms. NoseDisplay can assess suitable ESP32, STM32 or Raspberry Pi host arrangements; board availability, electrical compatibility, software adaptation and package contents are confirmed for each project.
Customization Options
For ND040EPN600400-A01, OEM evaluation can cover 50-pin FPC routing, protective cover lenses, enclosure clearances and six-color driver-board requirements. Optional touch integration, image conversion and prototype firmware support are assessed against the selected product-sign or information-panel configuration.
ePaper & FPC Options
Alternative display sizes, colors and FPC configurations can be evaluated for your project.
Touch Integration
Touch panel options can be evaluated according to enclosure and operating requirements.
Cover Lens Options
Custom cover glass or PMMA lenses with optional printing, shape and surface treatments.
Driver Board Support
Driver board and interface solutions can be evaluated for your host platform.
Quality & Compliance Support
We provide quality and compliance documentation for qualified OEM projects
based on the selected module, BOM and manufacturing configuration.
RoHS
EU RoHS compliant materials and process control
REACH
Support REACH regulation compliance
Reliability Testing
Environmental & mechanical reliability testing reports
ESD Control
ESD protection design and testing capability
Quality System
Manufactured under a certified quality management system
Documentation availability and scope are confirmed according to the selected module, BOM, manufacturing source and project requirements.
