Patent ID: 7563037
Filing Date: 2009-07-21
Classification: G02B,H04N

Abstract:
1. A digital camera module, comprising: a holder, the holder having a window defined in a sidewall, the window configured for receiving light; an image pickup module, the image pickup module comprising a base and a chip attached to the base, the base being mounted to the holder, the base and the holder cooperatively forming a receiving space therebetween; a prism lens, which is received in the receiving space and has a first surface configured for transmitting light passing through the window, a second surface configured for reflecting light transmitted from the first surface, and a third surface configured for transmitting the reflected light to form an image on the chip; wherein the first surface, the second surface and the third surface of the prism lens are described by the following matrices equations: where, n 0 is the refractive index in free space; n is the refractive index in the prism lens; X X X α α α R R R d d d