Light sensing system and electronic apparatus including the same
AssigneeSamsung Electronics Co., Ltd.
InventorsEunkyung Lee, Byunggil Jeong, Byounglyong Choi, Jungwoo Kim
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Abstract
Provided are light sensing systems and electronic apparatuses including the light sensing systems. The light sensing system includes a light source unit having a slit-shaped opening and configured to emit light through a slit-shaped opening; and a lens integrated with the light source unit on a surface of the light source unit on which the slit-shaped opening is formed. The lens is configured to make light emitted through the slit-shaped opening into a point light source at a far-field.
Claims20
A light sensing system comprising:
- a light source comprising an upper electrode, a lower electrode, and a slit-shaped opening, and configured to emit a linear light beam through the slit-shaped opening;
- and
- a lens that is provided on the upper electrode of the light source to cover the slit-shaped opening that is formed in the light source, extends in a length direction of the slit-shaped opening, and is configured to make the linear light beam traveled in the length direction of the slit-shaped opening and emitted through an output end of the slit-shaped opening as a point light at a far-field,
- wherein the lens has a half cylinder shape having two opposing flat semicircular bases, and a curve portion and a flat rectangular portion that oppose each other and are provided between the two opposing flat semicircular bases.
A light sensing system comprising:
- a light source having a slit-shaped opening and configured to emit a linear light beam through the slit-shaped opening;
- and
- a lens that is integrated with the light source on a surface of the light source on which the slit-shaped opening is formed, extends in a length direction of the slit-shaped opening, and is configured to make the linear light beam emitted through an output end of the slit-shaped opening as a point light at a far-field,
- wherein a plurality of lenses that comprise the lens and are spaced apart from each other, are formed on the slit-shaped opening in the length direction of the slit-shaped opening to form a plurality of point light sources with respect to the slit-shaped opening.
A light detection and ranging (lidar) apparatus comprising:
- a light sensing system comprising:
- a light source comprising an upper electrode, a lower electrode, and a slit-shaped opening, and configured to emit a linear light beam through the slit-shaped opening,
- a lens that is integrated with the light source on the upper electrode of the light source on which the slit-shaped opening is formed, extends in a length direction of the slit-shaped opening, and is configured to make the linear light beam traveled in the length direction of the slit-shaped opening and emitted through an output end of the slit-shaped opening as a point light at a far-field, and
- a light receiver configured to receive the point light that is emitted from the light source towards an object, focused or collimated by the lens, and reflected by the object;
- and
- a processor configured to control the light sensing system and to analyze the point light received from the light sensing system,
- wherein the lens has a half cylinder shape having two opposing flat semicircular bases, and a curve portion and a flat rectangular portion that oppose each other and are provided between the two opposing flat semicircular bases.
Dependencies are inferred from the claim text.