Lens module and terminal device

Abstract

A lens module includes a base, a shielding member, a light emitter, a receiving lens, and a photosensitive chip. The shielding member and the base jointly form a first space and a second space. The shielding member includes a third space and a channel. The channel communicates with the first space and the third space. The light emitter is located in the first space and can emit a first light and a second light. The receiving lens is located in the second space. The photosensitive chip includes a first photosensitive area and a second photosensitive area. The shielding member covers the first photosensitive area. The first photosensitive area is located in the third space, and the second photosensitive area is located in the second space. The first light extends through the channel to the first photosensitive area. The second light extends through the first space and enters the second space through the receiving lens after reflection to reach the second photosensitive area. The present disclosure further provides a terminal device.

Claims

1. A lens module, improved in that it includes: The base is provided with an exit light hole and an entrance light hole; Circuit board; A shielding component, the circuit board, and the base together form a first space and a second space. The shielding component has a third space and an opening with a channel connecting the first space and the third space. The shielding component includes an inclined surface. A light source emitter is located in the first space and is used to emit a first light beam and a second light beam. A receiving lens is located in the second space. A photosensitive wafer includes a first photosensitive area and a second photosensitive area. The shielding component covers the first photosensitive area, which is located in the third space, and the second photosensitive area is located in the second space. The first light beam passes through the channel and illuminates the inclined surface, which reflects the first light beam to the first photosensitive area. The second light beam passes through the first space and the light exit hole and illuminates the subject. The subject reflects the second light beam, and the reflected second light beam passes through the light entrance hole and the receiving lens into the second space and then to the second photosensitive area.

2. The lens module as described in claim 1, wherein, The lens module also includes a light-shielding adhesive, which is disposed on the photosensitive wafer and located between the blocking member and the second photosensitive area; a first gap exists between the blocking member and the photosensitive wafer, and the light-shielding adhesive is used to block the first light passing through the first gap.

3. The lens module as described in claim 2, wherein, There is a second gap between the light-blocking adhesive and the shielding component.

4. The lens module as described in claim 2, wherein, The shielding component, the light source emitter, and the photosensitive wafer are all located on the circuit board.

5. The lens module as described in claim 4, wherein, The shielding member includes a cover plate, a first baffle, and a second baffle. The first baffle and the second baffle are both located on the same side of the cover plate facing the circuit board. The cover plate, the first baffle, and the second baffle together enclose the third space. The first baffle is disposed on the circuit board, and the second baffle is located on the photosensitive wafer. The first gap exists between the second baffle and the photosensitive wafer.

6. The lens module as described in claim 5, wherein, The shielding member further includes a third baffle, which is located between the first baffle and the second baffle. There is a third gap between the third baffle and the photosensitive wafer. The third baffle, the cover plate, and the second baffle together form a reflective groove.

7. The lens module as described in claim 4, wherein, The base includes a top plate and a side plate, the side plate surrounding the top plate, and the circuit board located on the side plate opposite to the top plate.

8. The lens module as described in claim 7, wherein, The base also includes an extension plate that extends from one side of the top plate toward the circuit board, and the shield is located between the extension plate and the circuit board, with the shield and the extension plate located between the first space and the second space.

9. The lens module as described in claim 4, wherein, The lens module also includes an adhesive layer that bonds the base and the circuit board, and the adhesive layer also bonds the base and the shielding component.

10. The lens module as described in claim 1, wherein, The receiving lens covers a portion of the obstruction in the first direction.

11. The lens module as described in claim 1, wherein, The receiving lens includes an ultra-lens.

12. A terminal device, improved in that it includes a lens module as described in any one of claims 1 to 11.

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