Display panel, display device, and control method of display device
A display device includes a display unit including a first surface through which light is emitted, a second surface opposite to the first surface, and a plurality of transmissive regions which transmits infrared light incident on the first surface; a first lens and a second lens disposed on the first surface of the display unit, where a plurality of channels, through which the light emitted from the first surface of the display unit passes, is defined in the first lens and the second lens; a plurality of infrared light sources disposed on the first surface of the display unit, where the plurality of infrared light sources emits infrared light; and a plurality of infrared cameras disposed on the second surface of the display unit to overlap the transmissive regions.
1 . A display device comprising:
a display unit including a first surface through which light is emitted, a second surface opposite to the first surface, and a plurality of transmissive regions which transmits infrared light incident on the first surface;
a first lens and a second lens disposed on the first surface of the display unit, wherein a plurality of channels, through which the light emitted from the first surface of the display unit passes, is defined in the first lens and the second lens;
a plurality of infrared light sources disposed on the first surface of the display unit, wherein the plurality of infrared light sources emits infrared light; and
a plurality of infrared cameras disposed on the second surface of the display unit to overlap the plurality of transmissive regions,
wherein
the first lens includes a first sub-lens, a second sub-lens, a third sub-lens, and a fourth sub-lens, each of which defines a channel of the plurality of channels, and
the plurality of transmissive regions include a first transmissive region overlapping the first sub-lens, a second transmissive region overlapping the second sub-lens, a third transmissive region overlapping the third sub-lens, and a fourth transmissive region overlapping the fourth sub-lens.
2 . The display device of claim 1 , wherein
the plurality of infrared light sources includes a first infrared light source disposed on the first sub-lens, a second infrared light source disposed on the second sub-lens, a third infrared light source disposed on the third sub-lens, and a fourth infrared light source disposed on the fourth sub-lens, and
the plurality of infrared cameras includes a first infrared camera overlapping the first transmissive region, a second infrared camera overlapping the second transmissive region, a third infrared camera overlapping the third transmissive region, and a fourth infrared camera overlapping the fourth transmissive region.
3 . The display device of claim 2 , wherein when a user gazes at a center of the first lens, the infrared light reflected from the user's pupil is not received by the plurality of infrared cameras.
4 . The display device of claim 2 , wherein when a user gazes in a direction in which the first sub-lens is positioned, the infrared light reflected from the user's pupil is received by the first infrared camera.
5 . A display device comprising:
a display unit including a first surface through which light is emitted, a second surface opposite to the first surface, and a plurality of transmissive regions which transmits infrared light incident on the first surface;
a first lens and a second lens disposed on the first surface of the display unit, wherein a plurality of channels, through which the light emitted from the first surface of the display unit passes, is defined in the first lens and the second lens;
a plurality of infrared light sources disposed on the first surface of the display unit, wherein the plurality of infrared light sources emits infrared light; and
a plurality of infrared cameras disposed on the second surface of the display unit to overlap the plurality of transmissive regions,
wherein
each of the first lens and the second lens includes a plurality of sub-lenses corresponding to the plurality of channels,
the plurality of infrared cameras and the plurality of transmissive regions are disposed to overlap only some sub-lenses among the plurality of sub-lenses,
the first lens includes a first sub-lens, a second sub-lens, a third sub-lens, and a fourth sub-lens each providing the channel,
the plurality of transmissive regions includes a first transmissive region overlapping the first sub-lens and a second transmissive region overlapping the second sub-lens,
the infrared light source includes a first infrared light source disposed on the first sub-lens and a second infrared light source disposed on the second sub-lens, and
the plurality of infrared cameras includes a first infrared camera overlapping the first transmissive region and a second infrared camera overlapping the second transmissive region,
wherein when a user gazes in a direction in which the third sub lens is positioned, a user's pupil is detected by the first infrared camera.