Lighting systems including lens modules for selectable light distribution
First Claim
1. A lighting system, comprising:
- a lighting module including a semiconductor light-emitting device configured for emitting light emissions along a central light emission axis;
a first lens module including a first converging lens, the first converging lens being configured for causing convergence of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central light emission axis having a first half-width-half-maximum (HWHM), the first converging lens having a first light output surface being spaced apart along a first lens axis from a first light input surface, the first converging lens further having a first total internal reflection side surface being spaced apart around the first lens axis and having a first frusto-conical shape extending between the first light input and output surfaces of the first converging lens;
a second lens module including a second converging lens, the second converging lens being configured for causing convergence of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central light emission axis having a second HWHM being different than the first HWHM, the second converging lens having a second light output surface being spaced apart along a second lens axis from a second light input surface, the second converging lens further having a second total internal reflection side surface being spaced apart around the second lens axis and having a second frusto-conical shape extending between the second light input and output surfaces of the second converging lens; and
a third lens module including a first diverging lens having a third lens axis, the first diverging lens being configured for causing divergence of some of the converged light emissions away from the third lens axis by a third HWHM to form diverged light emissions that diverge away from the central light emission axis, the first diverging lens having a third light output surface being spaced apart along the third lens axis from a third light input surface, the third light input surface including a first lens screen having lenticular or microprismatic features;
wherein the lighting system is configured for detachably installing the first lens module or the second lens module in the lighting module between the semiconductor light-emitting device and the third lens module; and
wherein the lighting system is configured for aligning the first or second lens axis with the central light emission axis and the third lens axis.
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Accused Products
Abstract
Lighting system including: lighting module having semiconductor light-emitting device; first lens module; and second lens module. First lens module may include: converging lens; or diverging lens having light output surface including raised region shaped as sliced torus; or diverging lens having light output surface including contoured lens screen having lenticular or microprismatic features. Converging lens may have total internal reflection side surface with frusto-conical shape. Second lens module may include diverging lens having light output surface spaced apart from light input surface that may include lens screen having lenticular or microprismatic features. Lighting system may include additional lighting modules and may include further lens modules that may be detachable and interchangeable.
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Citations
108 Claims
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1. A lighting system, comprising:
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a lighting module including a semiconductor light-emitting device configured for emitting light emissions along a central light emission axis; a first lens module including a first converging lens, the first converging lens being configured for causing convergence of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central light emission axis having a first half-width-half-maximum (HWHM), the first converging lens having a first light output surface being spaced apart along a first lens axis from a first light input surface, the first converging lens further having a first total internal reflection side surface being spaced apart around the first lens axis and having a first frusto-conical shape extending between the first light input and output surfaces of the first converging lens; a second lens module including a second converging lens, the second converging lens being configured for causing convergence of some of the light emissions of the semiconductor light-emitting device to form converged light emissions along the central light emission axis having a second HWHM being different than the first HWHM, the second converging lens having a second light output surface being spaced apart along a second lens axis from a second light input surface, the second converging lens further having a second total internal reflection side surface being spaced apart around the second lens axis and having a second frusto-conical shape extending between the second light input and output surfaces of the second converging lens; and a third lens module including a first diverging lens having a third lens axis, the first diverging lens being configured for causing divergence of some of the converged light emissions away from the third lens axis by a third HWHM to form diverged light emissions that diverge away from the central light emission axis, the first diverging lens having a third light output surface being spaced apart along the third lens axis from a third light input surface, the third light input surface including a first lens screen having lenticular or microprismatic features; wherein the lighting system is configured for detachably installing the first lens module or the second lens module in the lighting module between the semiconductor light-emitting device and the third lens module; and
wherein the lighting system is configured for aligning the first or second lens axis with the central light emission axis and the third lens axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85)
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86. A lighting system, comprising:
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a lighting module, including a semiconductor light-emitting device configured for emitting light emissions along a first central light emission axis, and including a second semiconductor light-emitting device configured for emitting light emissions along a second central light emission axis being spaced apart from the first central light emission axis; a first lens module including a first diverging lens being configured for causing divergence of some of the light emissions away from the first central light emission axis, the first diverging lens having a first light output surface being spaced apart along a first lens axis from a first light input surface, the first diverging lens having a first total internal reflection side surface being spaced apart around the first lens axis and having a first frusto-conical shape extending between the first light input and output surfaces, the first light input surface including a first central cavity being shaped as a portion of a spheroid, the first light output surface including a first raised region being shaped as a sliced torus having a second central cavity; a second lens module including a second diverging lens being configured for causing divergence of some of the light emissions away from the second central light emission axis, the second diverging lens having a second light output surface being spaced apart along a second lens axis from a second light input surface, the second diverging lens having a second total internal reflection side surface being spaced apart around the second lens axis and having a second frusto-conical shape extending between the second light input and output surfaces, the second light input surface including a third central cavity being shaped as a portion of a spheroid, the second light output surface including a second raised region being shaped as a sliced torus having a fourth central cavity; a third lens module including a third diverging lens being configured for causing further divergence of some of the light emissions away from the first and second central light emission axes, the third diverging lens having a third light output surface being spaced apart from a third light input surface, the third light input surface including a first lens screen having lenticular or microprismatic features; wherein the lighting system is configured for aligning the first and second lens modules between the third lens module and the lighting module, with first lens axis being aligned with the first central light emission axis and with the second lens axis being aligned with the second central light emission axis. - View Dependent Claims (87, 88, 89, 90, 91, 92, 93, 94)
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95. A lighting system, comprising:
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a lighting module, including a semiconductor light-emitting device configured for emitting light emissions along a first central light emission axis, and including a second semiconductor light-emitting device configured for emitting light emissions along a second central light emission axis being spaced apart from the first central light emission axis; a first lens module having a first diverging lens being configured for causing divergence of some of the light emissions away from the first and second central light emission axes, the first diverging lens having one lens axis being aligned with the central light emission axis and another lens axis being aligned with the second central light emission axis, the first diverging lens having a total internal reflection side surface extending between a first light input surface and a first light output surface, the first light output surface including a contoured lens screen having lenticular or microprismatic features; a second lens module including a second diverging lens being configured for causing further divergence of some of the light emissions away from the first and second central light emission axes, the second diverging lens having a second light output surface being spaced apart from a second light input surface, the second light input surface including a first lens screen having lenticular or microprismatic features; wherein the lighting system is configured for aligning the first lens module between the second lens module and the lighting module, with first lens axis being aligned with the first central light emission axis and with the second lens axis being aligned with the second central light emission axis. - View Dependent Claims (96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108)
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Specification