

Product Number: EPD397BW001
Input/output Pin Assignment
| No. | Name | I/O | Description | Remark |
| 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 | |
| 6 | TSCL | O | I2C Interface to digital temperature sensor Clock pin | Note 5-6 |
| 7 | TSDA | I/O | I2C Interface to digital temperature sensor Data pin | Note 5-6 |
| 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 |
Note: I = Input Pin, O = Output Pin, I/O = Bi-directional Pin (Input/output), P = Power Pin, C = Capacitor Pin
| Note 5-1: | This pin (CS#) is the chip select input connecting to the MCU. The chip is enabled for MCU communication only when CS# is pulled LOW |
| Note 5-2: | This pin is (D/C#) Data/Command control pin connecting to the MCU in 4-wire SPI mode. When the pin is pulled HIGH, the data at SDA will be interpreted as data. When the pin is pulled LOW, the data at SDA will be interpreted as command |
| Note 5-3: | This pin (RES#) is reset signal input. The Reset is active LOW |
| Note 5-4: | This pin is Busy state output pin. When Busy is High, the operation of chip should not be interrupted, command should not be sent. The chip would put Busy pin High when: -Outputting display waveform -Communicating with digital temperature sensor |
| Note 5-5: | Bus interface selection: BS1=L (4-lines SPI), BS1=H (3-lines SPI) |
| Note 5-6: | This pin connect to the VSS if there is no external temperature sensor |


E-paper product Series

| E-paper Series | Color |
| Black&White | Black,White |
| Tri-Color | Black, White, Red, |
| Four-Color | Black, White, Red, Yellow |
| N-Color | Black, White, Red, Yellow, Blue, Green, Orange |
| Flexible | Bendable, Thin and Robust |
| Segment | Customization Supported |
| Size | Resolutions(px) | DPI | View Area(mm) | Color |
| 0.97” | 184(H)x88(V) | 210 | 30(H) x 14.15(V) | Black and White |
| 1.22” | 192(H)x176(V) | 213 | 27.6(H) x30.6(V) | Black and White |
| 1.54” | 200(H)x200(V) | 188 | 31.8(H) x37.32(V) | Black and White , Tri-Color, Four Color |
| 1.54” | 152(H)x152(V) | 140 | 31.8(H) x37.32(V) | Black and White , Tri-Color, Four Color |
| 2.13″ | 104(H)x212(V) | 110 | 29.2(H) x59 2(V) | Black and White , Tri-Color, Four Color |
| 2.13” | 122(H)x250(V) | 130 | 29.2(H) x59.2(V) | Black and White , Tri-Color, Four Color |
| 2.13” | 144(H)x296(V) | 154 | 29.2(H) x59.2(V) | Black and White , Tri-Color, Four Color |
| 2.15” | 112(H)x208(V) | 112 | 32.2(H) x59.2(V) | Black and White , Tri-Color, Four Color |
| 2.15” | 160(H)x296(V) | 156 | 32.2(H) x59.2(V) | Black and White , Tri-Color, Four Color |
| 2.66″ | 152(H)x296(V) | 152 | 36.3(H) x71.82(V) | Black and White , Tri-Color, Four Color |
| 2.66” | 360 (H) x184(V) | 118 | 36.3(H) x71.82(V) | Black and White , Tri-Color, Four Color |
| 2.70″ | 264(H)x176(V) | 112 | 36.3(H) x71.82(V) | Black and White , Tri-Color, Four Color |
| 2.90″ | 128(H)x296(V) | 144 | 36.7(H) x79.0(V) | Black and White , Tri-Color, Four Color |
| 2 90″ | 168(H)x384(V) | 110 | 36.97(H) x79.48(V) | Black and White , Tri-Color, Four Color |
| 3.10” | 168(H)x296(V) | 122 | 45.83(H) x80.78(V) | Black and White , Tri-Color, Four Color |
| 3.50” | 184(H)x384(V) | 130 | 45 03(H) x91.75(V) | Black and White , Tri-Color, Four Color |
| 3.70″ | 240(H)x416(V) | 120 | 53(H) x92.99(V) | Black and White , Tri-Color, Four Color |
| 4.0” | 600(H)x400(V) | 180 | 66(H) x99(V) | Full Color |
| 4 20″ | 400(H)x300(V) | 120 | 91(H) x77(V) | Black and White , Tri-Color, Four Color |
| 4.37″ | 176(H)x480(V) | 117 | 46.60(H) x115.86(V) | Black and White , Tri-Color, Four Color |
| 5.79″ | 792(H)x297(V) | 144 | 56.94(H) x150.92(V) | Black and White , Tri-Color, Four Color |
| 5.83” | 648(H)X480(V) | 138 | 125.4(H) x99.5(V) | Black and White , Tri-Color, Four Color |
| 5.84” | 768(H)x256(V) | 138 | 147 6(H) x59.58(V) | Black and White , Tri-Color, Four Color |
| 7.3” | 800(H)x480(V) | 127 | 170.2(H) x111.2(V) | Full Color |
| 7.50″ | 640(H)x384(V) | 100 | 170.2(H) x111.2(V) | Black and White , Tri-Color, Four Color |
| 7.50″ | 800(H)x480(V) | 124 | 170.2(H) x111.2(V) | Black and White , Tri-Color, Four Color |
| 8.14″ | 1024(H)x576(V) | 144 | 191.9(H) x119.4(V) | Full Color |
| 9.7” | 960 (H) x672 (V) | 121 | 210.8 (H) x x154 (V) | Black and White , Tri-Color, Four Color |
| 10.2” | 960(H)x672(V) | 113 | 224(H) x157(V) | Black and White , Tri-Color, Four Color |
| 10.85″ | 1360(H)x480(V) | 133 | 270.56(H) x105.92(V) | Black and White , Tri-Color, Four Color |
| 11.6” | 960(H)x640(V) | 100 | 254.31(H) x176.35(V) | Black and White , Tri-Color, Four Color |
| 12.48” | 1304(H)x984(V) | 131 | 261.5(H)×211.00(V) | Black and White , Tri-Color, Four Color |
| 13.3” | 960(H)x680(V) | 88 | 286.32(H) x212.26(V) | Black and White , Tri-Color, Four Color |
| 13.3” | 1200(H)x1440(V) | 150 | 208.8(H) x284.7(V) | Full Color |
| 25.3” | 3200(H)x1800(V) | 145 | 560.0(H) x315(V) | Black and White |
| 31.2″ | 2560(H)x1440(V) | 94 | 691.2(H) x388.8(V) | Black and White |
| 31.5” | 2560(H)x1440(V) | 96 | 703.52(H) x406.48(V) | Full Color |
| 42.0” | 2160(H)x2880(V) | 85 | 650(H) x872.5(V) | Black and White |
Other product sizes can be customized according to customer needs. Contact us now!

When standard displays don’t meet your project specifications, our customization services provide the perfect solution. Each client receives dedicated engineering support throughout the entire process—from initial concept to final production. please feel free to contact us at [email protected].
FPC Cable Customization
Provide customized FPC solutions with adjustments to length, connector position and pinout configuration.
Customizing FPC (Flexible Printed Circuit) cables involves designing and manufacturing flexible circuits that connect electronic components like ePaper displays to meet specific project requirements. With the increasing demand for compact, lightweight, and durable electronics, FPC cables have become essential in applications ranging from consumer electronics to medical devices and automotive systems.
Touch Screen Customization
Enhance user interaction with our custom capacitive touch screen solutions with various thickness options. include Resistive Touch, Capacitive Touch and Infrared Touch.
Front-Light Customization
Make your ePaper displays readable in any lighting condition with our custom front-light solutions. For product design engineers, opting for a custom front-light proves to be the optimal approach for meeting distinctive application requirements. We offer data-driven recommendations and unwavering support throughout the process.
Cover Glass Customization
Protect your investment with durable, custom-cut cover glass with various protection features. Optimizing E Ink display performance in challenging environments requires careful consideration of cover glass design and integration. The cover glass serves as a crucial shield against scratches and impacts, while also enhancing optical clarity and enabling touchscreen capabilities.
Segmented E Ink Displays
Cost-effective alternative with lower minimum order quantities for simple information displays. Our segment E Ink displays feature flexible or rigid electrode-patterned substrates, allowing for individual addressing and separate control of each segment
E Ink Prism 3 Displays
Create dynamic color-changing surfaces with Prism 3 technology for architectural and design applications. Prism 3 is E Ink’s third generation of segmented display technology, offering vibrant colors, ultra-low power consumption, and excellent sunlight readability. Unlike its predecessor Prism 1, Prism 3 enables dynamic color shifting—with 8 color options currently available. Additionally, unlike traditional LCDs, Prism 3 displays require power only when the image changes, making them ideal for battery-powered applications where long operational life is critical.
Custom E Ink Matrix Displays
Custom dot matrix displays offering flexibility in resolution and size for various display applications. A purpose-built, application-specific E Ink display offers substantial advantages for your products. It enables unique product differentiation, optimized user experiences, and enhanced market competitiveness that standard displays cannot provide.
Turnkey Solutions
From concept to production, we handle every aspect of your custom E Ink display project. we will reply in 12 hours and our engineers will provide solutions for your project with 48 hours.
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