Variable aperture, camera module, and electronic device

A camera module, comprising a variable aperture, a lens, a driving motor, a photosensitive element, an optical filter, and a circuit board, wherein

• the variable aperture is disposed opposite to the lens, the variable aperture is located on a light inlet side of the lens, wherein the variable aperture comprises a first light-transmitting substrate, a second light-transmitting substrate, light-transmitting fluid, light-shielding fluid, a driving mechanism, and a first light-supplementing element, wherein
• the first light-transmitting substrate and the second light-transmitting substrate are disposed opposite to each other, a sealed chamber is disposed between the first light-transmitting substrate and the second light-transmitting substrate, the light-transmitting fluid and the light-shielding fluid are fluidly provided in the sealed chamber, and the light-transmitting fluid and the light-shielding fluid are immiscible with each other, the light-transmitting fluid and the light-shielding fluid are used to form a light-transmitting region and a light-shielding region, and the light-shielding region is disposed around the light-transmitting region;
• the driving mechanism is configured to drive the light-transmitting fluid and the light-shielding fluid to flow, and when the light-transmitting fluid and the light-shielding fluid flow, an area of the light-transmitting region and an area of the light-shielding region may be changed;
• and
• in a case that the area of the light-transmitting region is less than a preset area, the first light-supplementing element emits light;
• wherein the variable aperture further comprises a photocell, and the photocell is electrically connected to the first light-supplementing element;
• wherein the photocell is disposed in the sealed chamber, the light-shielding fluid covers the photocell, when the light-shielding fluid flows, a light-absorbing surface of the photocell is enabled to be exposed outside the light-shielding fluid, in a case that the area of the light-transmitting region is smaller than the preset area, the photocell is exposed outside the light-shielding fluid, and the photocell receives ambient light to generate electric energy for the first light-supplementing element to emit light;
• the lens is connected to the driving motor, the driving motor is capable of driving the lens to move in a direction of an optical axis of the lens, and the driving motor is electrically connected to the circuit board;
• and
• the photosensitive element is disposed opposite to the lens, and the photosensitive element is electrically connected to the circuit board;
• and
• the optical filter is disposed between the lens and the photosensitive element.

An electronic device, comprising a camera module, wherein the camera module comprises a variable aperture, a lens, a driving motor, a photosensitive element, an optical filter, and a circuit board, wherein

• the variable aperture is disposed opposite to the lens, the variable aperture is located on a light inlet side of the lens, wherein the variable aperture comprises a first light-transmitting substrate, a second light-transmitting substrate, light-transmitting fluid, light-shielding fluid, a driving mechanism, and a first light-supplementing element, wherein the first light-transmitting substrate and the second light-transmitting substrate are disposed opposite to each other, a sealed chamber is disposed between the first light-transmitting substrate and the second light-transmitting substrate, the light-transmitting fluid and the light-shielding fluid are fluidly provided in the sealed chamber, and the light-transmitting fluid and the light-shielding fluid are immiscible with each other, the light-transmitting fluid and the light-shielding fluid are used to form a light-transmitting region and a light-shielding region, and the light-shielding region is disposed around the light-transmitting region;
• the driving mechanism is configured to drive the light-transmitting fluid and the light-shielding fluid to flow, and when the light-transmitting fluid and the light-shielding fluid flow, an area of the light-transmitting region and an area of the light-shielding region may be changed;
• and
• in a case that the area of the light-transmitting region is less than a preset area, the first light-supplementing element emits light;
• wherein the variable aperture further comprises a photocell, and the photocell is electrically connected to the first light-supplementing element;
• wherein the photocell is disposed in the sealed chamber, the light-shielding fluid covers the photocell, when the light-shielding fluid flows, a light-absorbing surface of the photocell is enabled to be exposed outside the light-shielding fluid, in a case that the area of the light-transmitting region is smaller than the preset area, the photocell is exposed outside the light-shielding fluid, and the photocell receives ambient light to generate electric energy for the first light-supplementing element to emit light;
• the lens is connected to the driving motor, the driving motor is capable of driving the lens to move in a direction of an optical axis of the lens, and the driving motor is electrically connected to the circuit board;
• and
• the photosensitive element is disposed opposite to the lens, and the photosensitive element is electrically connected to the circuit board;
• and
• the optical filter is disposed between the lens and the photosensitive element.