A display device comprising: a display screen having a display surface and a rear surface opposite the display surface, wherein the display surface has a display area, the rear surface defines a recess, and an orthographic projection of the recess on the display screen falls in the display area; and an optical fingerprint recognition assembly received in the recess of the rear surface and comprising: a fingerprint module comprising a prism, an image sensor, and a fingerprint controller, wherein the prism, the image sensor, and the fingerprint controller are encapsulated together; a light source disposed outside the fingerprint module, wherein the light source is configured to emit lights reaching an upper surface of the prism, and further reaching the display surface above the prism, and total reflection occurs when the lights reach a fingerprint to be recognized on the display surface, and wherein lights formed via the total reflection pass through the prism and reach the image sensor; the image sensor being configured to acquire a fingerprint image according to the lights formed via the total reflection; the fingerprint controller being configured to recognize the fingerprint image received from the image sensor; a flexible circuit board; and a substrate disposed on the flexible circuit board, wherein the fingerprint module is encapsulated on the substrate, and the light source is disposed on the flexible circuit board. a display screen having a display surface and a rear surface opposite the display surface, wherein the display surface has a display area, the rear surface defines a recess, and an orthographic projection of the recess on the display screen falls in the display area; and an optical fingerprint recognition assembly received in the recess of the rear surface and comprising: a fingerprint module comprising a prism, an image sensor, and a fingerprint controller, wherein the prism, the image sensor, and the fingerprint controller are encapsulated together; a light source disposed outside the fingerprint module, wherein the light source is configured to emit lights reaching an upper surface of the prism, and further reaching the display surface above the prism, and total reflection occurs when the lights reach a fingerprint to be recognized on the display surface, and wherein lights formed via the total reflection pass through the prism and reach the image sensor; the image sensor being configured to acquire a fingerprint image according to the lights formed via the total reflection; the fingerprint controller being configured to recognize the fingerprint image received from the image sensor; a flexible circuit board; and a substrate disposed on the flexible circuit board, wherein the fingerprint module is encapsulated on the substrate, and the light source is disposed on the flexible circuit board. a fingerprint module comprising a prism, an image sensor, and a fingerprint controller, wherein the prism, the image sensor, and the fingerprint controller are encapsulated together; a light source disposed outside the fingerprint module, wherein the light source is configured to emit lights reaching an upper surface of the prism, and further reaching the display surface above the prism, and total reflection occurs when the lights reach a fingerprint to be recognized on the display surface, and wherein lights formed via the total reflection pass through the prism and reach the image sensor; the image sensor being configured to acquire a fingerprint image according to the lights formed via the total reflection; the fingerprint controller being configured to recognize the fingerprint image received from the image sensor; a flexible circuit board; and a substrate disposed on the flexible circuit board, wherein the fingerprint module is encapsulated on the substrate, and the light source is disposed on the flexible circuit board.