Abstract:
A method and apparatus for performing interaction between electronic papers is provided. A first electronic paper recognizes installation of a binder on the first electronic paper. The first electronic paper sets an interaction mode according to the installation of the binder on the first electronic paper. The first electronic paper establishes a communication connection with a second electronic paper on which the binder is also installed. The first electronic paper performs data communication with the second electronic paper according to the interaction mode.
Abstract:
A portable electronic device and a flip-type cover of the portable electronic device are provided. The flip-type cover includes a front cover, a rear cover configured to be detachably engaged with a rear surface of the portable electronic device, a connection cover configured to connect the front cover to the rear cover, a display screen disposed in the front cover, and a rear-cover Printed Circuit Board (PCB) mounted to the rear cover and connected to the portable electronic device, to receive data from the portable electronic device. If the flip-type cover is engaged with the portable electronic device, the rear-cover PCB transmits data received from the portable electronic device to the display screen.
Abstract:
A reflective type display device is provided, and includes a drive layer that includes pigment particles containing at least two colors of pigments, and transparent electrodes provided on a top surface and a bottom surface of drive layer, respectively, so as to drive the pigment particles. The drive layer includes transparent particles provided among the pigment particles. In the reflective type display device, the pigment particles are arranged among the transparent particles that form the drive layer and a lighting device is disposed on the bottom surface of the drive layer. Thus, uniform lighting may be provided even in a dark environment regardless of the size of the display device.