Lighting device including sensor that transmits and receives and lamp including the same
A lighting device according an aspect of the current disclosure includes a sensor that emits and receives signals to detect object, and a light source module disposed on the sensor, wherein the sensor transmits and receives the signals through the light source module, wherein the light source module includes a substrate, a light source disposed on the substrate, and a resin layer disposed on the light source, and wherein a distance between the sensor and the light source module is about 60 mm or more.
1 . A lighting device, comprising:
a light source module; and
a sensor emitting and receiving signals to detect objects and spaced apart from the light source module,
wherein the light source module includes:
a substrate of which a lower surface is spaced apart from the sensor, such that the signals from the sensor are transmitted through the substrate and are received to the sensor through the substrate;
a plurality of light sources mounted on an upper surface of the substrate;
a resin layer disposed on the upper surface of the substrate to cover the plurality of light sources; and
a reflective layer disposed between the substrate and the resin layer, and having a plurality of reflective patterns on an upper surface of the substrate.
2 . A lighting device comprising:
a sensor that emits and receives signals to detect objects; and
a light source module disposed on the sensor,
wherein the sensor transmits and receives the signals through the light source module,
wherein the light source module includes a substrate, a light source disposed on the substrate, and a resin layer disposed on the light source,
wherein the sensor is spaced apart from the substrate, and
wherein the substrate includes a material through which the signals emitted from the sensor pass.
3 . The lighting device of claim 2 , wherein the light source module emits light emitted from the light source as a line light source or a surface light source.
4 . The lighting device of claim 2 , further comprising an air gap disposed between the sensor and the light source module.
5 . The lighting device of claim 4 , wherein a distance between the sensor and the light source module is about 100 millimeters (mm) or more.
6 . The lighting device of claim 2 , wherein the light source includes a plurality of light emitting devices adjacent to an edge of the substrate, and
wherein the plurality of light emitting devices are arranged in a region that does not overlap with the sensor in a direction perpendicular to an upper surface of the substrate.
7 . The lighting device of claim 6 , wherein the light emitting devices have light emitting surfaces facing each other.
8 . The lighting device of claim 2 , wherein the sensor includes RADAR.
9 . The lighting device of claim 2 , wherein the sensor includes LiDAR.
10 . The lighting device of claim 2 , further comprising an optical member disposed on the light source module.
11 . The lighting device of claim 10 , wherein the optical member is spaced apart from the resin layer of the light source module.
12 . The lighting device of claim 11 , wherein the optical member includes a transmissive region and a non-transmissive region, and
wherein the transmissive region is a region through which light emitted from the light source module is transmitted.
13 . The lighting device of claim 12 , wherein the non-transmissive region overlaps the light source in a direction perpendicular to an upper surface of the substrate.
14 . The lighting device of claim 12 , wherein a distance between the substrate and the sensor is greater than a separation distance between the resin layer and the optical member.
15 . The lighting device of claim 2 , further comprising a light blocking layer disposed on the resin layer and overlapped with the light source in a direction perpendicular to an upper surface of the substrate.
16 . The lighting device of claim 2 , wherein the light source module further includes a light blocking layer disposed on the resin layer and overlapped with the light source in a direction perpendicular to an upper surface of the substrate.
17 . The lighting device of claim 2 , further comprising a housing disposed between the sensor and the substrate,
wherein the substrate includes an opening penetrating an upper surface and a lower surface of the substrate.
18 . The lighting device of claim 17 , wherein the opening is formed in a center region of the substrate overlapping the sensor in a direction perpendicular to the upper surface of the substrate.
19 . The lighting device of claim 2 , wherein the light source includes a plurality of light emitting devices having light emitting diodes, respectively,
wherein each of the plurality of light emitting devices includes a light emitting surface that emits light toward a side surface of the lighting device, and
wherein the plurality of light emitting devices are disposed on a lower portion of the resin layer.