An electronic device comprising: a display device comprising one or more pixels, the one or more pixels comprising a first sub pixel configured to output light having a first wavelength range, a second sub pixel configured to output light having a second wavelength range, and a third sub pixel configured to output light having a third wavelength range; one or more sensors configured to obtain biometric information about an external object; and a processor, wherein the processor is configured to cause the electronic device to: identify a contact region of the external object on the display device, identify first biometric information and second biometric information from among the biometric information, the first and second biometric information being of different types; output light having first wavelength properties through a first pixel set corresponding to the first biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the first pixel set determined from a plurality of pixels based on the contact region on the display device, and obtain the first biometric information using the one or more sensors; output light having second wavelength properties through a second pixel set corresponding to the second biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the second pixel set determined from the plurality of pixels based on the contact region on the display device, and obtain the second biometric information using the one or more sensors; and determine authentication of the external object based on the obtained first biometric information and the obtained second biometric information, wherein the first biometric information is fingerprint information and the second biometric information is biometric change information. a display device comprising one or more pixels, the one or more pixels comprising a first sub pixel configured to output light having a first wavelength range, a second sub pixel configured to output light having a second wavelength range, and a third sub pixel configured to output light having a third wavelength range; one or more sensors configured to obtain biometric information about an external object; and a processor, wherein the processor is configured to cause the electronic device to: identify a contact region of the external object on the display device, identify first biometric information and second biometric information from among the biometric information, the first and second biometric information being of different types; output light having first wavelength properties through a first pixel set corresponding to the first biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the first pixel set determined from a plurality of pixels based on the contact region on the display device, and obtain the first biometric information using the one or more sensors; output light having second wavelength properties through a second pixel set corresponding to the second biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the second pixel set determined from the plurality of pixels based on the contact region on the display device, and obtain the second biometric information using the one or more sensors; and determine authentication of the external object based on the obtained first biometric information and the obtained second biometric information, identify a contact region of the external object on the display device, identify first biometric information and second biometric information from among the biometric information, the first and second biometric information being of different types; output light having first wavelength properties through a first pixel set corresponding to the first biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the first pixel set determined from a plurality of pixels based on the contact region on the display device, and obtain the first biometric information using the one or more sensors; output light having second wavelength properties through a second pixel set corresponding to the second biometric information among the first sub pixel, the second sub pixel, and the third sub pixel, the second pixel set determined from the plurality of pixels based on the contact region on the display device, and obtain the second biometric information using the one or more sensors; and determine authentication of the external object based on the obtained first biometric information and the obtained second biometric information,