Optical lens for beam shaping and steering and devices using the optical lens
First Claim
1. A lighting device comprising:
- a plurality of individually controllable illumination light sources configured to be driven by electrical power to emit light;
an optical lens positioned over the illumination light sources, the optical lens having a plurality of aspheric or spheric surfaces, including an input surface coupled to receive light from the illumination light sources and an output surface;
the input surface includes an input peripheral portion and an input central portion, wherein;
the input peripheral portion extends from the illumination light sources and curves from a region of the illumination light sources towards the input central portion, andthe input central portion curves towards the illumination light sources; and
the output surface includes an output lateral portion, an output shoulder portion, and an output body portion, wherein;
the output lateral portion extends away from the illumination light sources, curves away from the input peripheral portion, and intersects the output shoulder portion;
the output shoulder portion abuts the output body portion; and
the output body portion curves outwards from the illumination light sources and the output shoulder portion.
1 Assignment
0 Petitions
Accused Products
Abstract
An example lighting device has illumination light sources, each configured to be independently driven. The device further includes an optical lens positioned over the illumination light sources. The optical lens has a number of aspheric or spheric convex surfaces, including an input surface and an output surface. The input surface includes an input peripheral portion and an input central portion. The input peripheral portion extends from the illumination light sources and curves from a region of the illumination light sources towards the input central portion. The input central portion curves towards the illumination light sources. The output surface includes an output lateral portion, an output shoulder portion, and an output body portion. Another example uses optical-to-electrical transducers, e.g. light detector or photovoltaic devices, in combination with the optical lens, for light reception transducer applications.
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Citations
25 Claims
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1. A lighting device comprising:
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a plurality of individually controllable illumination light sources configured to be driven by electrical power to emit light; an optical lens positioned over the illumination light sources, the optical lens having a plurality of aspheric or spheric surfaces, including an input surface coupled to receive light from the illumination light sources and an output surface; the input surface includes an input peripheral portion and an input central portion, wherein; the input peripheral portion extends from the illumination light sources and curves from a region of the illumination light sources towards the input central portion, and the input central portion curves towards the illumination light sources; and the output surface includes an output lateral portion, an output shoulder portion, and an output body portion, wherein; the output lateral portion extends away from the illumination light sources, curves away from the input peripheral portion, and intersects the output shoulder portion; the output shoulder portion abuts the output body portion; and the output body portion curves outwards from the illumination light sources and the output shoulder portion. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An optical device comprising:
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a plurality of optical-to-electrical transducers, each optical-to-electrical transducer being configured to be driven by received light to produce a respective electrical signal and to be individually activated for outputting the respective electrical signal in response to light; an optical lens positioned over the optical-to-electrical transducers, the optical lens having a plurality of aspheric or spheric surfaces, including an input surface and an output surface coupled to direct light to the optical-to-electrical transducers; and the input surface includes an input lateral portion, an input shoulder portion, and an input body portion, wherein; the input lateral portion extends towards the optical-to-electrical transducers, curves towards the output peripheral portion, and intersects the input shoulder portion, the input shoulder portion surrounds the input body portion, and the input body portion curves outwards from the input shoulder portion; the output surface includes an output peripheral portion and an output central portion, wherein; the output peripheral portion curves around the optical-to-electrical transducers towards the output central portion, and the output central portion curves towards the optical-to-electrical transducers. - View Dependent Claims (19, 20)
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21. An optical lens formed of an optical material, the optical lens comprising:
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a plurality of aspheric or spheric surfaces, including a first surface and a second surface; the first surface including a peripheral portion and a central portion, wherein; the peripheral portion of the first surface extends from a base of the optical lens and curves from a perimeter of the base of the optical lens to the central portion of the first surface, and the central portion of the first surface curves outward toward an area encompassed by the base of the optical lens; and the second surface including a lateral portion, a shoulder portion, and a body portion, wherein; the lateral portion of the second surface extends away from the base of the optical lens, curves away from the peripheral portion of the second surface, and intersects the shoulder portion of the second surface; the shoulder portion of the second surface abuts the output body portion of the second surface; and the body portion of the second surface curves outwards away from the base of the optical lens and the shoulder portion of the second surface. - View Dependent Claims (22, 23, 24, 25)
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Specification