Abstract: The present invention relates to a system of individually and separately displaying and sharing of video/audio that is used in an vehicle, comprises: a primary video/audio device having a micro processor, a storing device for storing various of digital video/audio information owned by a user for displaying in secondary video/audio devices and a network interface, the primary video/audio device provides at least one service of displaying digital video/audio information; and a plurality of secondary video/audio devices, each of the secondary video/audio devices is provided with a digital video/audio encoding device, a network interface, a display panel or a video/audio output interface and an operation interface, and the operation interface is provided with a display key and a share key; each of the secondary video/audio devices can individually and at-any-time applies a service request to the primary video/audio device and obtains a related service, such as video/audio displaying, or one of the secondary video

Abstract: The present invention relates to a wireless car digital AV system to be applied in a car, and the wireless car digital AV system comprises an AV Host and at least one or multiple display devices. The AV Host includes a storage device and a wireless network interface, and the storage has at least one digital AV file. The display device includes a wireless network interface and a display panel. The display device is connected to the AV Host by the wireless network interface, such that the display device can receive and play the digital AV file transmitted from the AV Host through the wireless network interface. Furthermore, the present invention also discloses a method for an automobile AV Host to wirelessly transmit a video file to a display device.