3.7 Inch ePaper Display Overview
ND037EPN416240-A01 is a 3.7-inch four-color E Ink ePaper display with 416 × 240 resolution and SPI interface. Its reflective panel presents black, white, red and yellow text, icons and highlights without a backlight. The JD79663CA controller works with the specified 2.2–3.6 V supply and panel-specific driving waveforms.
The rectangular active area suits retail signs, equipment labels and indoor information panels. Full-screen refresh takes 20 seconds. For OEM integration, NoseDisplay can assess ESP32, STM32, Arduino or Raspberry Pi host arrangements. Confirm connector assignments, power sequencing, image conversion and firmware before PCB layout. Cover lenses, FPC routing and enclosure clearances can be reviewed during prototype development. Prototype testing should include image readability, update behavior and the intended power supply.
Technical Specifications
Mechanical Drawing & Interface Definition
Model: ND037EPN416240-A01
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PIN Description
| Pin No. | Symbol | Description |
|---|---|---|
| 1 | NC | Do not connect with other NC pins. Keep Open. |
| 2 | GDR | (O) N-Channel MOSFET Gate Drive Control |
| 3 | RESE | (I) Current Sense Input for the Control Loop |
| 4 | NC | Do not connect with other NC pins. Keep Open. |
| 5 | VSH2 | (C) Positive Source driving voltage (Red) |
| 6 | NC | Do not connect with other NC pins |
| 7 | NC | Do not connect with other NC pins |
| 8 | BS1 | (I) Bus Interface selection pin. Note 5-5. |
| 9 | BUSY | (O) Busy state output pin. Note 5-4. |
| 10 | RES# | (I) Reset signal input. Active Low. Note 5-3. |
| 11 | D/C# | (I) Data /Command control pin. Note 5-2. |
| 12 | CS# | (I) Chip select input pin. Note 5-1. |
| 13 | SCL | (I) Serial Clock pin (SPI) |
| 14 | SDA | (I/O) Serial Data pin (SPI) |
| 15 | VDDIO | (P) Power Supply for interface logic pins. It should be connected with VCI. |
| 16 | VCI | (P) Power Supply for the chip |
| 17 | VSS | (P) Ground |
| 18 | VDD | (C) Core logic power pin. VDD can be regulated internally from VCI. A capacitor should be connected between VDD and VSS. |
| 19 | VPP | (P) FOR TEST. Keep Open. |
| 20 | VSH1 | (C) Positive Source driving voltage |
| 21 | VGH | (C) Power Supply pin for Positive Gate driving voltage and VSH1 |
| 22 | VSL | (C) Negative Source driving voltage |
| 23 | VGL | (C) Power Supply pin for Negative Gate driving voltage VCOM and VSL |
| 24 | VCOM | (C) VCOM driving voltage |
Sample Ordering & Delivery
ND037EPN416240-A01 3.7-inch engineering samples support prototype and driver evaluation. Shipping is charged separately; import 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
3.7 Inch ePaper Display Applications
ND037EPN416240-A01 suits retail product signs, equipment labels and indoor information panels. Its four-color reflective image area can present prices, identifiers, warnings and status information. Match text size and image orientation to the viewing layout, and evaluate refresh scheduling, mounting clearances and system power consumption during prototype testing.
Smart Office Signage
Electronic Shelf Labels
IoT Status Displays
Equipment Labels
Matching Driver Board
For ND037EPN416240-A01, driver-board evaluation must match the JD79663CA controller, SPI interface, 416 × 240 image format and four-color waveforms. Confirm connector assignments, supply rails, logic levels and power sequencing before PCB design. NoseDisplay can assess ESP32, STM32, Arduino or Raspberry Pi host arrangements; board availability, wiring compatibility, firmware support and package contents are confirmed for each project.
Customization Options
OEM evaluation for ND037EPN416240-A01 can cover FPC routing, JD79663CA driver-board integration, cover lenses and enclosure fitting. Connector and mechanical details require confirmation before customization.
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.
