Optical fingerprint detection device, touch screen and electronic equipment

The embodiment of the invention provides an optical fingerprint detection device, a touch screen and electronic equipment, relates to the technical field of fingerprint identification, and can improvethe accuracy of fingerprint identification under the condition that a finger is wetted by water. Optical fingerprint detection device, the device is applied to the electronic equipment with a displayscreen, the electronic equipment is provided with a glass cover plate, the device comprises a light-emitting assembly, the light-emitting assembly comprises a fingerprint recognition light source, and the incident angle of light emitted by the fingerprint recognition light source and incident to the upper surface of the glass cover plate is larger than or equal to the total reflection angle of light signals incident to air from the glass cover plate; the optical fingerprint detection device further comprises an optical fingerprint module. Light generated by the fingerprint recognition light source and emitted into the