Display panel and method for manufacturing same, method and apparatus for detecting intensities of ambient light

A display device, comprising a display panel;

• wherein the display panel comprises:
• an array substrate, a functional device layer, and a color filter layer, wherein the array substrate comprises a display region and a peripheral region surrounding the display region, the functional device layer is disposed on a bearing surface of the array substrate, and the functional device layer comprises a first photosensitive device, a second photosensitive device, a plurality of light-emitting devices, and a color temperature sensor;
• wherein
• the first photosensitive device is configured to detect light, emitted by the light-emitting device, reflected by a finger, and comprises a first photosensitive layer, a first electrode, and a second electrode, the first electrode and the second electrode being respectively disposed on two opposite surfaces of the first photosensitive layer, and the first electrode being disposed on a surface, proximal to the array substrate, of the first photosensitive layer;
• the second photosensitive device is configured to detect an intensity of ambient light and comprises a second photosensitive layer, a third electrode, and a fourth electrode, the second photosensitive layer and the first photosensitive layer being disposed in a same layer, the third electrode and the first electrode being disposed in a same layer, and the fourth electrode and the second electrode being disposed in a same layer;
• the color temperature sensor is arranged close to the second photosensitive device, the second photosensitive device and the color temperature sensor are disposed in the peripheral region, and the peripheral region is provided with a frame, wherein the frame corresponding to the second photosensitive device and the color temperature sensor is provided with a light-transmitting region;
• the color filter layer is disposed on a surface, distal from the array substrate, of the functional device layer, and comprises a plurality of color blocks and a light-shielding structure disposed between the plurality of color blocks, wherein the light-emitting device is opposite to the color block, and the light-shielding layer comprises a fingerprint hole and an ambient light hole, the fingerprint hole being opposite to the first photosensitive layer, and the ambient light hole being opposite to the second photosensitive layer;
• wherein a center of one of the color blocks closest to the ambient light hole lies in a reference plane, and the ambient light hole and the one of the color blocks closest to the ambient light hole satisfy a relationship as follows:
• in the case that a width of the ambient light hole is greater than a width of the second photosensitive layer, tan α=(P−d)/h, and tan β=(P+d)/h;
• and
• in the case that the width of the ambient light hole is not greater than the width of the second photosensitive layer, tan α=(P−D)/h, and tan β=(P+D)/h;
• wherein P represents a distance, in a direction parallel to the bearing surface of the array substrate, between the center of the ambient light hole and a center of the one of the color blocks closest to the ambient light hole, d represents the width of the ambient light hole, D represents the width of the second photosensitive layer, and h represents a distance, in a direction perpendicular to the bearing surface of the array substrate, between the color block and the second photosensitive layer, and 0<α<β≤42°.