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4inch e-Paper
User Manual
4inch e-Paper
User Manual
www.waveshare.com/wiki

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Summary of Contents for Waveshare e-Paper

  • Page 1 4inch e-Paper User Manual 4inch e-Paper User Manual www.waveshare.com/wiki...
  • Page 2 4inch e-Paper User Manual Revision History Version Content Date Page New creation 2024/09/05...
  • Page 3: Table Of Contents

    4inch e-Paper User Manual Contents 1. OVERVIEW ............................. 1 2. FEATURES ............................. 2 3. MECHANICAL SPECIFICATION ....................... 3 4. MECHANICAL DRAWING OF EPD MODULE ................4 5. INPUT/OUTPUT INTERFACE ......................5 5.1 Connector Type: Golden Finger for ZIF Type FH34rj-50s-0.5sh(50) ......5 6.
  • Page 4: Overview

    User Manual 1. OVERVIEW The 4-inch e-Paper is a reflective electrophoretic E Ink® Spectra™ 6 Display module based on glass active matrix TFT substrate. It has 4.0” active area with 400(H) x 600(V) pixels. The panel can display vivid color that include black, white, yellow, red, green and blue depending on the associated lookup table used.
  • Page 5: Features

    4inch e-Paper User Manual 2. FEATURES  High contrast reflective/electrophoretic technology  400(H) x 600(V) display  Full colours  Ultra wide viewing angle  Ultra low power consumption  Pure reflective mode  Bi-stable display  Commercial temperature range ...
  • Page 6: Mechanical Specification

    4inch e-Paper User Manual 3. MECHANICAL SPECIFICATION Parameter Specification Unit Remark Screen Size Inch Display Resolution 400(H) x 600(V) Pixel Active Area 56.4(H) x 84.6(V) Pixel Pitch 0.141(H) x 0.141(V) 180PPI Pixel Configuration Square Outline Dimension 66.0 (H) × 99.0(V) × 0.85(D)
  • Page 7: Mechanical Drawing Of Epd Module

    4inch e-Paper User Manual 4. MECHANICAL DRAWING OF EPD MODULE...
  • Page 8: Input/Output Interface

    4inch e-Paper User Manual 5. INPUT/OUTPUT INTERFACE 5.1 CONNECTOR TYPE: GOLDEN FINGER FOR ZIF TYPE FH34RJ-50S-0.5SH(50) 5.1.1 PIN ASSIGNMENT Type Name Description No connection and do not connect with other NC pins TFT_VCOM TFT_VCOM driving voltage FPL_VCOM FPL_VCOM driving voltage...
  • Page 9 4inch e-Paper User Manual Type Name Description Serial data pin, reserved Serial data pin, reserved Serial data pin, reserved VDDDO Core logic power pin, Connect to VDDO Supply voltage Ground, Connect to GNDA VDDIO Supply voltage VCP2 Charge Pump Pin...
  • Page 10 4inch e-Paper User Manual Note 5-5: This pin (BS0) is for 3-line SPI or 4-line SPI selection. When it is “Low”, 4-line SPI is selected. When it is “High”, 3-line SPI (9 bits SPI) is selected. Please refer to below Table:...
  • Page 11: Electrical Characteristics

    4inch e-Paper User Manual 6. ELECTRICAL CHARACTERISTICS 6.1 ABSOLUTE MAXIMUM RATING Parameter Symbol Unit Logic supply voltage +2.4 +3.6 Storage Temperature ℃ Operating Temperature ℃ Note 6-1: Maximum ratings are those values beyond which damages to the device may occur.
  • Page 12: Panel Dc Characteristics

    4inch e-Paper User Manual 6.2 PANEL DC CHARACTERISTICS The following specifications apply for: VDD = 3.0V, TA = 25℃ DIGITAL DC CHARACTERISTICS Symbol Parameter Conditions Min. Typ. Max. Unit Logic supply voltage Positive Gate 19.0 20.0 21.0 driving voltage Negative Gate -21.0...
  • Page 13 4inch e-Paper User Manual High loading 32.3 48.3 pattern TYP loading pattern 46.2 68.2 VDD=3.0V with DC-DC Operation Power Dissipation High loading pattern 96.9 144.9 VDD=3.0V with DC-DC Standby Power PSTBY VDD=3.0V 166.8 Dissipation Note 6-3: The module operating current data is measured by using oscilloscope, and extract the mean value.
  • Page 14 4inch e-Paper User Manual Note 6-9: The high loading power consumption...
  • Page 15: Power Sequence

    4inch e-Paper User Manual 7. POWER SEQUENCE In order to prevent IC fail in power on resetting, the power sequence must be followed as below: 7.1 POWER ON SEQUENCE DISPLAY...
  • Page 16: Power Off Sequence Display

    4inch e-Paper User Manual 7.2 POWER OFF SEQUENCE DISPLAY...
  • Page 17: Optical Characteristics

    4inch e-Paper User Manual 8. OPTICAL CHARACTERISTICS 8.1 SPECIFICATION Measurements are under illumination 45/0, the detector is perpendicular to surface unless otherwise specified. Symbol Parameter Conditions Temperature Min Typ. Units Notes Reflectance White 25℃ 8- 1 Contrast Ratio 25℃ T update update time 25℃...
  • Page 18: Definition Of Contrast Ratio

    4inch e-Paper User Manual 8.2 DEFINITION OF CONTRAST RATIO The contrast ratio (CR) is the ratio between the reflectance in a full white area (Rl) and the reflectance in a dark area (Rd): CR=RI/Rd...
  • Page 19: Reflection Ratio

    4inch e-Paper User Manual 8.3 REFLECTION RATIO The reflection ratio is expressed as: R = Reflectance Factor × white board center white board Lcenter is the luminance measured at center in a white area (a* ~ b* ~ 0). L...
  • Page 20: Reference Circuit

    4inch e-Paper User Manual 9. REFERENCE CIRCUIT...
  • Page 21: Handling, Safety, And Environment Requirements

    4inch e-Paper User Manual 10. HANDLING, SAFETY, AND ENVIRONMENT REQUIREMENTS WARNING The display glass may break when it is dropped or bumped on a hard surface. Handle with care. Should the display break, do not touch the electrophoretic material. In case of contact with electrophoretic material, wash with water and soap.
  • Page 22 4inch e-Paper User Manual (6) When the surface becomes dusty, please wipe gently with absorbent cotton or other soft materials like chamois soaks with petroleum benzene. Normal-hexane is recommended for cleaning the adhesives used to attach the PS. Do not use acetone, toluene and alcohol because they cause chemical damage to the PS.
  • Page 23: Reliability Test

    4inch e-Paper User Manual 11. RELIABILITY TEST Test items Test condition Method High-Temperature Operation T = +50°C, RH = 30% for 240 hrs IEC 60 068-2-2Be Low-Temperature Storage T = 0°C for 240 hrs IEC 60 068-2-1Ae High-Temperature, High- T = +40°C, RH = 90% for 240 hrs...
  • Page 24: Block Diagram

    4inch e-Paper User Manual 12. BLOCK DIAGRAM EL040EF1 Panel...
  • Page 25: Border Definition

    4inch e-Paper User Manual 13. BORDER DEFINITION...
  • Page 26: Package

    4inch e-Paper User Manual 14. PACKAGE...

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