Full-screen optical assembly and electronic equipment

Abstract

The invention provides a full-screen optical assembly applied to electronic equipment. The electronic equipment comprises a display screen. The optical assembly includes a backlight module, an activelight sensor and a light modulation piece. The display screen and the active light sensor are arranged on the two opposite sides of the backlight module; the backlight module comprises a first prism film and a second prism film stacked on the first prism film; the first prism film comprises a plurality of first prisms, the second prism film comprises a plurality of second prisms, and the long axesof the first prisms are perpendicular to the long axes of the second prisms. Each first prism comprises a first light incident surface; each second prism comprises a second light incident surface; adisplay surface of the display screen, a first light incident surface and a second light incident surface are arranged in parallel. The active light sensor comprises a sensor and a light emitter. Thelight modulation piece is used for emitting light emitted by the light emitter to the first light incident surface at an incident angle in an inclined mode relative to the vertical direction and thenemitting the light from the second light incident surface, so that the light penetrates the display screen at a vertical angle.

Description

technical field [0001] The invention relates to the technical field of terminals, in particular to a full-screen optical component and electronic equipment. Background technique [0002] Active optical devices play a very important role in smart electronic devices such as mobile phones and tablet computers. When these devices work, they will actively emit light beams and realize specific functions according to the light signals reflected by surrounding objects, such as proximity light sensors. In order to avoid being noticed by users, these devices emit signals in the infrared band, and in order to ensure the optical path of the device, opening holes in the mobile phone casing is a conventional method. [0003] The screen-to-body ratio of the current terminal has become the core of various manufacturers. In the existing technology, in order to achieve a large display screen, the screen of the mobile phone is cut in a special shape, leaving a notch-shaped frame for these part...

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