The invention provides technology to generate a graphical depiction on a video display device for a stream of packets. A lateral shift restraining piece is positioned on the chassis at a small distance away from an inner side surface of the holder, is opposed to a side plate of the holder in a horizontal posture, and is out of opposed relation with the side plate when the holder is in an upright posture. Further, provided are an organic electronic element and an organic electroluminescent element containing said organic thin film.