An object is to detect reflected light from an object accurately and to improve accuracy of capturing an image in a photosensor included in a display panel. A layer of high index material includes polysilane, which is patterned using a UV light source to form a waveguide. The memory module further comprises a second termination resistor unit connected to an internal commandaddress bus. The resealable tape and the releasable film coupling arrangement permit repeated removal of the pouch from the body-side mounting wafer and repeated resecurement of the pouch to the mounting wafer.