---
title: Display technology of Joan devices
description: All Joan devices feature E Ink® electronic paper screens which offer unparalleled energy efficiency. No other display technology (for example, LED or LCD) comes even close. Aside from the exceptionall
---
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# Display technology of Joan devices
All Joan devices feature E Ink® [electronic paper](https://www.visionect.com/blog/electronic-paper-explained-what-is-it-and-how-does-it-work/?hsLang=en) screens which offer unparalleled energy efficiency. No other display technology (for example, LED or LCD) comes even close.
Aside from the exceptionally long battery life, Joan devices have a 180° viewing angle and an anti-glare hard-coated front-surface, making the displays glare-free and light-pollution-free.
As such, they are easy on the eyes and readable even under fluorescent office lights.
#### **Joan display technical specifications:**
| **Feature** | **Joan 6** | **Joan 13** |
| --- | --- | --- |
| Display type | Interactive full capacitive touchscreen E Ink® electronic paper screen | Non-touch E Ink® Carta electronic paper screen |
| Screen size | 6 in (15.24 cm) | 13.3 in (33.78 cm) |
| Screen resolution | 1024 x 758 px | 1600 x 1200 px |
| Touchscreen capability | Yes | No |
| Viewing angle | 180° | 180° |
| Active area (H/W) | 3.57 x 4.82 in (90.581 x 122.368 mm) | 10.64 x 7.98 in (270.4 x 202.8 mm) |
| Pixel pitch (H/W) | 0.005 x 0.005 in (0.1195 x 0.1195 mm) equivalent to 212 ppi | 0.006 x 0.006 in (0.169 x 0.169 mm) equivalent to 150 ppi |
| Pixel configuration | Square | Rectangle |
| Color depth | 16-bit grayscale | 16-bit grayscale |
| Refresh rate | - 750 ms (4-bit full screen) - 100 ms (1-bit partial) | - 750 ms (4-bit full screen) - 100 ms (1-bit partial) |
| Power consumption | Ultra low | Ultra low |
#### **Touch responsiveness of electronic paper**
Please note that because of the energy-saving properties of Joan’s display, it might take the touchscreen a moment to respond to a touch command.
This is because of the way electronic paper works. When displaying a static image, an e-paper display uses no electricity whatsoever and is in resting mode. When the image changes, however, the display is reactivated and the screen content refreshed. This means that any touch command will in essence "wake up" Joan, which might require a few moments.
- [Getting started](https://support.getjoan.com/knowledge/getting-started?hsLang=en#main-content)
- [General information](https://support.getjoan.com/knowledge/getting-started?hsLang=en#general-information)
- [Joan Devices](https://support.getjoan.com/knowledge/getting-started?hsLang=en#joan-devices)
- [Room management](https://support.getjoan.com/knowledge/room-management?hsLang=en#main-content)
- [Account configuration](https://support.getjoan.com/knowledge/room-management?hsLang=en#account-configuration)
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- [Microsoft 365](https://support.getjoan.com/knowledge/room-management?hsLang=en#microsoft-365)
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- [iCalendar](https://support.getjoan.com/knowledge/room-management?hsLang=en#icalendar)
- [Using Joan in a shared environment](https://support.getjoan.com/knowledge/room-management?hsLang=en#using-joan-in-a-shared-environment)
- [Buildings](https://support.getjoan.com/knowledge/room-management?hsLang=en#buildings)
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- [Joan devices](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#main-content)
- [Device configuration](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#device-configuration)
- [Device settings in the Joan portal](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#device-settings-in-the-joan-portal)
- [Custom content](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#custom-content)
- [Using Joan with 3rd party devices](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#using-joan-with-3rd-party-devices)
- [Mounting your Joan device](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#mounting-your-joan-device)
- [Device troubleshooting](https://support.getjoan.com/knowledge/joan-devices?hsLang=en#device-troubleshooting)
- [Workplace management](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#main-content)
- [Account configuration](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#account-configuration)
- [Additional Desk booking features](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#additional-desk-booking-features)
- [Users](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#users)
- [Integrations](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#integrations)
- [Frequently Asked Questions](https://support.getjoan.com/knowledge/workplace-management?hsLang=en#frequently-asked-questions)
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- [How to invite your visitors?](https://support.getjoan.com/knowledge/visitor-management?hsLang=en#how-to-invite-your-visitors)
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- [Setting Up Your Digital Signage](https://support.getjoan.com/knowledge/workplace-digital-signage?hsLang=en#setting-up-your-digital-signage)
- [Compatible Hardware and Supported Media](https://support.getjoan.com/knowledge/workplace-digital-signage?hsLang=en#compatible-hardware-and-supported-media)
- [Using Joan Workplace Digital Signage in Practice](https://support.getjoan.com/knowledge/workplace-digital-signage?hsLang=en#using-joan-workplace-digital-signage-in-practice)
- [Mobile application](https://support.getjoan.com/knowledge/mobile-application?hsLang=en)
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- [Prepaid subscription codes](https://support.getjoan.com/knowledge/plans-billing?hsLang=en#prepaid-subscription-codes)
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- [Information for resellers](https://support.getjoan.com/knowledge/plans-billing?hsLang=en#information-for-resellers)
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