Edge-lit bio-friendly lighting system
AssigneeBambu Vault LLC
InventorsYing LI, Satish AGRAWAL, Michael G. HORNER, Andrew TURK, Nathaniel KABAT
Life of this patent
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Abstract
A lighting device that provides visible illumination with enhanced emission in the range 460-520 nm with a M/P ratio of XI, where XI is at least 0.7, a correlated color temperature of 4000-14000 K, and an average color rendering index of at least 70.
Claims66
A lighting device that provides visible illumination with enhanced emission in the range 460-520 nm with a M/P ratio of X1, where X1 is at least 0.7, a correlated color temperature of 4000-14000 K, and an average color rendering index of at least 70.
A lighting device that provides visible illumination with reduced emission in the range 460-520 nm with a M/P ratio of X2, where X2 is no more than 0.40, a correlated color temperature of 2200-4000 K, and an average color rendering index of at least 70.
A lighting device that can provide visible illumination in either of a first state with a M/P ratio of X1, where X1 is at least 0.70, a correlated color temperature of 4000-14000 K, and an average CRI of at least 70, and of a second state with a M/P ratio of X2, where X2 is no more than 0.40, a correlated color temperature of 2200-4000 K, and an average CRI of at least 70.
An apparatus for converting a existing light source into a biofriendly light source, the apparatus comprising
- an energy conversion component removably attached to the existing light source, wherein the energy conversion component is configured to convert light from the existing light source into a light in either of a first state with a M/P ratio of X1, where X1 is at least 0.70, a correlated color temperature of 4000-14000 K, and an average CRI of at least 70, and of a second state with a M/P ratio of X2, where X2 is no more than 0.40, a correlated color temperature of 2200-4000 K, and an average CRI of at least 70.
A lighting device comprising:
- a frame;
- a light source disposed along an interior of an edge of the frame;
- a light guide panel disposed in the frame, an edge of the light guide panel being in communication with the light source disposed on the interior of the corresponding edge of the frame, the light guide panel being configured to direct light received from the light source through a first surface of the light guide panel to a viewing hemisphere;
- and
- an energy conversion component disposed on the first surface of the light guide panel, the energy conversion component being configured to convert the light received from the light source to light having a M/P ratio of X1, where X1 is at least 0.7.
A lighting device comprising:
- a frame;
- a light source disposed along an interior of an edge of the frame;
- a light guide panel disposed in the frame, an edge of the light guide panel being in communication with the light source disposed on the interior of the corresponding edge of the frame, the light guide panel being configured to direct light received from the light source through a first surface of the light guide panel to a viewing hemisphere;
- and
- an energy conversion component disposed on the first surface of the light guide panel, the energy conversion component being configured to convert the light received from the light source to light having a M/P ratio of X2, where X2 is no more than 0.4.
A lighting device comprising:
- a frame;
- a light source disposed along an interior of an edge of the frame;
- a light guide panel disposed in the frame, an edge of the light guide panel being in communication with the light source disposed on the interior of the corresponding edge of the frame, the light guide panel being configured to direct light received from the light source through a first surface of the light guide panel to a viewing hemisphere;
- and
- an energy conversion component disposed between the light source and the corresponding edge of the light guide panel, the energy conversion component being configured to convert the light received from the light source to light having a different spectrum than that received from the light source.
A lighting device comprising:
- a frame;
- a first light source disposed along an interior of a first edge of the frame and a second light source disposed along an interior of a second edge of the frame;
- a light guide panel disposed in the frame, edges of the light guide panel being in communication with the first and second light sources disposed on the interior of the corresponding edge of the frame, the light guide panel being configured to direct light received from the first and second light sources through a first surface of the light guide panel to a viewing hemisphere;
- a first energy conversion component disposed between the first light source and the corresponding edge of the light guide panel, the first energy conversion component being configured to convert the light received from the first light source to light having a M/P ratio of X1, where X1 is at least 0.7;
- and
- a second energy conversion component disposed between the second light source and the corresponding edge of the light guide panel, the second energy conversion component being configured to convert the light received from the second light source to light having a M/P ratio of X2, where X2 is no more than 0.4.
A lighting device comprising:
- a light source having a front face through which light is emitted;
- an energy conversion component comprising a plurality of portions, the energy conversion component being positioned to expose one of the plurality of portions to the front face, wherein each of the plurality of portions of the energy conversion component converts light received from the light source into the light having a different spectrum;
- and
- a controller configured to control the energy conversion component to cause a portion among the plurality of portions of the energy conversion component to be exposed to the front face.
A lighting device comprising:
- a frame;
- an opaque reflector positioned within the frame;
- a light source disposed on the opaque reflector;
- an energy conversion component disposed on the light source such that the light source is disposed between the opaque reflector and the energy conversion component, the energy conversion component being configured to convert the light received from the light source to light having a M/P ratio of X1, where X1 is at least 0.7;
- and
- a diffuser disposed above the energy conversion component and configured to disperse the converted light into a viewing hemisphere through an exit surface opposite the opaque reflector.
A lighting device comprising:
- a frame;
- an opaque reflector positioned within the frame;
- a light source disposed on the opaque reflector;
- an energy conversion component disposed on the light source such that the light source is disposed between the opaque reflector and the energy conversion component, the energy conversion component being configured to convert the light received from the light source to light having a M/P ratio of X2, where X2 is no more than 0.4;
- and
- a diffuser disposed above the energy conversion component and configured to disperse the converted light into a viewing hemisphere through an exit surface opposite the opaque reflector.
A lighting device comprising:
- a frame;
- an opaque reflector positioned within the frame;
- a first light source and a second light source disposed on the opaque reflector;
- a first energy conversion component disposed on the first light source and a second energy conversion component disposed on the second light source such that the first and the second light sources are disposed between the opaque reflector and the corresponding energy conversion components, the first and the second energy conversion components being configured to convert the light received from the corresponding light source to a light having a different spectrum than that received from the light source;
- and
- a diffuser disposed above the first and the second energy conversion components and configured to disperse the converted light into a viewing hemisphere through an exit surface opposite the opaque reflector.
A lighting device comprising:
- a frame;
- an opaque reflector positioned within the frame;
- a plurality of light source disposed on the opaque reflector, the plurality of light sources emitting light with the same characteristics;
- a first energy conversion component disposed on a first set of light sources among the plurality of light sources and a second energy conversion component disposed on a second set of light sources among the plurality of light sources such that the first and the second set of light sources are disposed between the opaque reflector and the corresponding energy conversion components, the first energy conversion component being configured to convert the light received from the first set of light sources to light having a M/P ratio of X1, where X1 is at least 0.7, and the second energy conversion component being configured to convert the light received from the second set of light sources to light having a M/P ratio of X2, where X2 is no more than 0.4;
- and a diffuser disposed above the energy conversion components and configured to disperse the converted light into a viewing hemisphere through an exit surface opposite the opaque reflector.
A system for providing biofriendly lighting, comprising:
- a light source comprising a white light source and a housing;
- and
- an energy conversion film removably disposed over an exit surface of the light source such that light emitted by the light source passes through the energy conversion film before exiting to the viewing hemisphere to reach a user,
- wherein the energy conversion component is configured to convert the light received from the light source to light having a different spectrum than that received from the light source.
An apparatus for converting a existing light source into a biofriendly light source, the apparatus comprising:
- an energy conversion component removably attached to the existing light source,
- wherein the energy conversion component is configured to convert light from the existing light source into a light in either of a first state with a M/P ratio of X1, where X1 is at least 0.70, a correlated color temperature of 4000-14000 K, and an average CRI of at least 70, and of a second state with a M/P ratio of X2, where X2 is no more than 0.40, a correlated color temperature of 2200-4000 K, and an average CRI of at least 70.
A method for converting an existing white light source into a biofriendly lighting device, the method comprising:
- removably attaching an energy conversion film to a front face of the existing white light source, wherein the energy conversion film is configured to convert the light received from the light source to light having a M/P ratio of X2, where X2 is no more than 0.4, a CRI Ra of at least 70 and a CCT of 2200-4000 K.
A method for converting an existing white light source into a biofriendly lighting device, the method comprising:
- pivotably attaching strips of an energy conversion film to a front face of the existing white light source, the strips being configured to pivot from a first position to a second position,
- wherein light emitted by the white light source does not pass through the strips of the energy conversion film when the strips are in the first position and the light emitted by the white light source not passes through the strips of the energy conversion film when the strips are in the second position,
- wherein the energy conversion film is configured to convert the light received from the light source to light having a M/P ratio of X2, where X2 is no more than 0.4, a CRI Ra of at least 70 and a CCT of 2200-4000 K.
A lighting device comprising:
- a light source having a front face through which light is emitted;
- an energy conversion component comprising a plurality of portions, the energy conversion component being positioned to expose one of the plurality of portions to the front face, wherein each of the plurality of portions of the energy conversion component converts light received from the light source into the light having a different spectrum;
- and
- a controller configured to control the energy conversion component to cause a portion among the plurality of portions of the energy conversion component to be exposed to the front face.
Dependencies are inferred from the claim text.