Royole RoKit – A flexible display development kit with a Snapdragon 660 board

The Royole RoKit is a flexible display development kit with a Qualcomm Snapdragon 660 board running Android 10 operating system. The kit includes a 7.8-inch “fully flexible” display and corresponding touchscreen module.

The mainboard is also equipped with on-board wireless connectivity, a gyroscope, a speaker, and more, and the kit ships with modular extension boards, data and power cables all packed into a suitcase.

Snapdragon 660 flexible display development kitRoyole RoKit content and main specifications:

  • 7.8-inch fully flexible AMOLED display module (FFD); 1440 x 1920 @ 60Hz; 16.7M colors, 300 nits, connected via MIPI DSI connector
  • 7.8-inch fully flexible touch-capacitive sensor module (FFS) connected via I2C.
  • Android 10 development mainboard with
    • SoC – Qualcomm Snapdragon 660 octa-core processor at 2.2GHz
    • System Memory – 3GB RAM
    • Storage – 32GB flash
    • Audio – 0.7W speaker
    • Connectivity – On-board 802.11b/g/n/ac WiFi 5 + Bluetooth 5.0
    • USB – USB Type-C for System Data
    • Sensor – Gyroscope
  • HDMI transfer board up to 1440×1920 @ 60Hz via HDMI 1.4 input port. The touchscreen is supported via USB (Windows 10)
  • Optical Distance Sensor, Microphone, FFS Modules

Royole RokitSnapdragon 660 board

The mainboard runs Android 10 with root access, but thanks to the HDMI transfer board the flexible display can be used with computers or boards that support 1440 x 1920 resolution. Royole however mentioned the touchscreen display only works in Windows 10 with provided USB drivers, so it’s possible the touchscreen does not work in Linux for instance.

The RoKit flexible display development kit can be used to prototype/design scrolling screens, expandable displays, 360-degree rotating screens, curved interfaces, discreet & portable devices, etc… It should be noted Royole FlexPai foldable phone prototype showcased in 2019 also used a 7.8-inch AMOLED display, but in combination with a more powerful Qualcomm Snapdragon 855 processor.

camera rollable screen
Example of potential application: a camera with a rollable display

There’s no much in terms of software documentation, as it’s mostly a hardware development kit, and instead, the company provides a simple user guide for assembly and description of the items. Royole Rokit can be pre-ordered for $959 on Seeed Studio or directly from Royole.

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