Solid state lighting apparatuses and related methods

A solid state lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• a substrate;
• and
• an array of solid state light emitters arranged on or supported by the substrate, wherein the array includes a plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• wherein, within the array of solid state light emitters, at least one solid state light emitter of a first solid state light emitter set is arranged closer to at least one solid state emitter of a second solid state light emitter set than to any other solid state light emitter of the first solid state light emitter set.

A solid state lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• an array of solid state light emitters arranged on or supported by a substrate, the array comprising a plurality of mutually exclusive solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the plurality sets are adapted to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle, and wherein the at least two different solid state light emitter sets comprise different duty cycles;
• wherein the array comprises multiple solid state light emitters distributed across a central portion of the substrate, and comprises multiple solid state light emitters distributed across a peripheral portion of the substrate;
• and
• wherein the central portion comprises more solid state light emitters than the peripheral portion.

A lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• an array of solid state light emitters arranged on or supported by a common substrate and including a plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• wherein the array is distributed across a region of the substrate;
• and
• wherein, for each set of the solid state light emitter sets, the multiple solid state light emitters are symmetrically arranged within or along the region.

A lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• an array of solid state light emitters arranged on or supported by a common substrate and including a plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• wherein the lighting device comprises at least one of the following features (a) and (b):
• (a) at least one solid state light emitter set of the plurality of solid state light emitter sets is arranged to emit at least one peak wavelength that differs by at least 30 nm from at least one peak wavelength emitted by at least one other solid state light emitter set of the plurality of solid state light emitter sets;
• and
• (b) at least one solid state light emitter set of the plurality of solid state light emitter sets is arranged to emit a first peak wavelength and to emit a second peak wavelength that differs from the first peak wavelength by at least 30 nm.

A lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• an array of solid state light emitters arranged on or supported by a body structure and including a plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• at least one reflector and/or at least one optical element arranged to receive emissions from the plurality of solid state light emitter sets, and arranged to affect a beam pattern generated by the lighting device;
• and
• a control element arranged to permit adjustment of duty cycle of each solid state light emitter set of the at least two solid state light emitter sets, and thereby permit adjustment of said beam pattern.

A lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• a first array of solid state light emitters arranged on or supported by a first substrate and including a first plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the first plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• a second array of solid state light emitters arranged on or supported by a second substrate and including a second plurality of solid state light emitter sets each comprising multiple solid state light emitters, wherein at least two different solid state light emitter sets of the second plurality of solid state light emitter sets are arranged to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle;
• and
• a support plate comprising a plurality of substrate mounting regions including a first substrate mounting region arranged to receive the first substrate and including a second substrate mounting region arranged to receive the second substrate.

A solid state lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• multiple substrate regions;
• and
• multiple sets of one or more solid state light emitters arranged on or supported by the multiple substrate regions, wherein at least first and second sets of the multiple sets of solid state light emitters are configured to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle, and wherein the first and second sets of the multiple sets of solid state light emitters comprise different duty cycles;
• wherein the lighting apparatus comprises at least one of the following features (i) to (iii):
• (i) a first substrate region of the multiple substrate regions includes one or more solid state light emitters of the first set of solid state light emitters and includes one or more solid state light emitters of the second set of solid state light emitters;
• and a second substrate region of the multiple substrate regions is non-coplanar with the first substrate region and includes one or more solid state light emitters of the first set of solid state light emitters and includes one or more solid state light emitters of the second set of solid state light emitters;
• (ii) at least one first solid state light emitter of the first set of solid state light emitters is arranged on a first substrate region of the multiple substrate regions that is substantially parallel to a first plane, at least one second solid state light emitter of the second set of solid state light emitters is arranged on a second substrate region of the multiple substrate regions that is substantially parallel to a second plane that is non-coplanar with the first plane but oriented less than 30 degrees apart from the first plane, and at least a portion of emissions of the at least one first solid state emitter are arranged to mix or overlap with at least a portion of emissions of the at least one second solid state emitter;
• and
• (iii) at least one first solid state light emitter of the first set of solid state light emitters is arranged on a first substrate region of the multiple substrate regions and is arranged to output a first beam centered in a first direction, and at least one second solid state light emitter of the second set of solid state light emitters is arranged on a second substrate region of the multiple substrate regions and is arranged to output a second beam centered in a second direction that is non-parallel to the first direction but oriented less than 30 degrees apart from the first direction.

A solid state lighting apparatus adapted to operate with alternating current (AC) received from an AC power source, the lighting apparatus comprising:

• a substrate;
• and
• multiple sets of solid state light emitters, each including multiple solid state light emitters, arranged on or supported by the substrate, wherein at least first and second sets of the multiple sets of solid state light emitters are configured to be activated and/or deactivated at different times relative to one another during a portion of an AC cycle, and wherein the at least first and second sets of the multiple sets of solid state light emitters comprise different duty cycles;
• the apparatus comprising at least one of the following features (i) and (ii):
• (i) the first set of solid state light emitters comprises a largest duty cycle of the different duty cycles and consists of a greater number of solid state light emitters than any other set of the multiple sets of solid state light emitters;
• and
• (ii) the second set of solid state light emitters comprises a smallest duty cycle of the different duty cycles and consists of a smaller number of solid state light emitters of the multiple sets of solid state light emitters.