Electronic device including light emitting module and light receiving module adjacent to display, and operating method thereof

1. An electronic device comprising:

a housing including a side member;

a processor;

a display panel including a light blocking layer having an opening to allow light to pass through;

a cover forming a first surface of an exterior of the electronic device, wherein the cover includes a first region covering the display panel and a second region not covering the display panel, the cover being disposed over the display panel, and wherein the second region is disposed between the first region and the side member and comprises a color region configured to block light and a transparent region configured to allow light to pass through; and

a proximity sensor comprising a printed circuit board, a first light emitter mounted on the printed circuit board, and a light receiver mounted on the printed circuit board,

wherein the first light emitter is disposed in a position and an orientation to output a first light in a direction of the second region not covering the display panel, and configured to output the first light through the transparent region of the second region not covering the display panel,

wherein the light receiver is disposed below the display panel, and configured to detect a first reflected light passing through the first region covering the display panel, a face of the display panel, and the opening of the light blocking layer included in the display panel, the first reflected light comprising the first light reflected by an external object, and

wherein the processor is configured to control the proximity sensor to identify proximity of the external object based on at least the first reflected light.

2. The electronic device of claim 1 , further comprising a light transmission support member disposed on a rear surface of the display panel,

wherein the light receiver is disposed in a recess or an opening formed on a portion of the light transmission support member.

3. The electronic device of claim 1 ,

wherein the light receiver and the first light emitter form at least a portion of the proximity sensor which is formed as a same package.

4. The electronic device of claim 1 , further comprising a light shielding member disposed between the light receiver and the first light emitter.

5. The electronic device of claim 1 , further comprising a light shielding member disposed between the display panel and the first light emitter.

6. The electronic device of claim 1 ,

wherein a lens is disposed above the first light emitter to control a direction of the first light.

7. The electronic device of claim 1 , further comprising a second light emitter disposed below the second region not covering the display panel, and configured to output a second light,

wherein the first light emitter is spaced apart from the light receiver by a first distance, and the second light emitter is spaced apart from the light receiver by a second distance.

8. The electronic device of claim 7 ,

wherein the second light emitter is further configured to output the second light when the detected first reflected light satisfies a designated condition, and

wherein the light receiver is further configured to detect a second reflected light, the second reflected light comprising the second light reflected by the external object.

9. The electronic device of claim 1 , wherein the processor is further configured to obtain biometric information corresponding to the external object based on at least the first reflected light.

10. The electronic device of claim 1 , wherein the first light emitter is disposed in a side space of the display panel or below the side space.

11. The electronic device of claim 1 , wherein the electronic device is configured to prevent the light receiver from receiving the first light other than reflected by the external object.

12. An electronic device comprising:

a housing including a side member;

a processor;

a cover forming a first surface of an exterior of the electronic device;

a display panel disposed below a first region of the cover and including a light blocking layer having an opening to allow light to pass through, wherein the cover includes the first region covering the display panel and a second region not covering the display panel, the cover being disposed over the display panel, and wherein the second region is disposed between the first region and the side member and comprises a color region configured to block light and a transparent region configured to allow light to pass through; and

a proximity sensor comprising a printed circuit board, a first light emitter mounted on the printed circuit board, and a light receiver mounted on the printed circuit board,

wherein the first light emitter is disposed in a position and an orientation to output a first light in a direction of the second region not covering the display panel, and configured to output the first light through the transparent region of the second region not covering the display panel,

wherein the light receiver is disposed below the display panel, and configured to detect a first reflected light passing through the first region covering the display panel, a face of the display panel, and the opening of the light blocking layer included in the display panel, the first reflected light comprising the first light reflected by an external object, and

wherein the processor is configured to control the proximity sensor to identify proximity of the external object based on at least the first reflected light.

13. The electronic device of claim 12 , wherein the first light emitter forms at least a portion of the proximity sensor formed as a same package.

14. The electronic device of claim 12 , further comprising a light shielding member disposed between the display panel and the first light emitter.

15. The electronic device of claim 12 , wherein a lens is formed above the first light emitter to control a direction of the first light.

16. The electronic device of claim 12 , further comprising a second light emitter disposed below the second region not covering the display panel, and configured to output a second light,

wherein the first light emitter is spaced apart from the light receiver by a first distance, and the second light emitter is spaced apart from the light receiver by a second distance.

17. The electronic device of claim 16 ,

wherein the second light emitter is further configured to output the second light when the detected first reflected light satisfies a designated condition, and

wherein the light receiver is further configured to detect second reflected light, the second reflected light comprising the second light reflected by the external object.

18. An electronic device comprising:

a housing including a side member;

a display panel including a light blocking layer having an opening to allow light to pass through;

a cover forming a first surface of an exterior of the electronic device, wherein the cover includes a first region covering the display panel and a second region not covering the display panel, the cover being disposed over the display panel, and wherein the second region is disposed between the first region and the side member and comprises a color region configured to block light and a transparent region configured to allow light to pass through;

a proximity sensor comprising a printed circuit board, a first light emitter mounted on the printed circuit board, and a light receiver mounted on the printed circuit board, the first light emitter being disposed in a position and an orientation to output a first light in a direction of the second region not covering the display panel, and the light receiver being disposed below the display panel; and

a processor configured to:

output the first light through the transparent region of the second region not covering the display panel by using the first light emitter,

detect a first reflected light passing through the first region covering the display panel, a face of the display panel, and the opening of the light blocking layer included in the display panel, the first reflected light comprising the first light reflected by an external object, by using the light receiver, and

determine a distance between the external object and the electronic device based on at least the detection.

19. The electronic device of claim 18 ,

wherein the first light emitter is spaced apart from the light receiver by a first distance, and a second light emitter is disposed below the second region not covering the display panel and spaced apart from the light receiver by a second distance, and

wherein, as at least part of outputting the first light, the processor is further configured to:

output a second light by using the second light emitter when the first light reflected by the external object satisfies a designated condition, and

determine proximity based at least on light of the second light that is reflected by the external object.