Abstract: A lens holder with an air escape hole which cannot be fouled by adhesive includes a holder body and a lens barrel disposed on the holder body. The holder body includes a first surface away from the lens barrel and a second surface opposite to the first surface, the first surface defines a groove. The groove includes a first bottom surface, the first bottom surface defines a recess. The recess includes a second bottom surface, the second bottom surface defines an air escape hole. A cross-sectional size of the air escape hole is less than a cross-sectional size of the recess.

Abstract: An electronic apparatus and a method for using a flat panel display are provided. The electronic apparatus includes a host and a flat panel display. The host and the flat panel display include a processing unit respectively. The flat panel display further includes a display module and a controlling switch, so that the controlling switch determines whether the flat panel display is connected with the host. When the flat panel display is connected with the host, the display module receives a first video signal transmitted from the host. When the flat panel display is detached from the host, the display module receives a second video signal from the flat panel display.