LG is working in a rollable smartphone called project B. The company expect to have ready the final prototype for early 2021.
Project B will have the smartphone extend side ways when needed. It is called rollable as the display rolled at the sides will unroll. A flexible organic light emitting diode (OLED) is need to achieve this.
Chinese display maker BOE is co-developing the display panel needed with LG Electronics.
A rollable display isn’t necessarily more difficult to achieve than foldable ones. Foldable displays need to withstand consistent pressure at a small area, but rollable displays can dissipate the pressure to a wider area, the sources said.
However, design and materials used for the device must support the display panel.
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