# US 2013/0278162 A1 · Led bulb for general and low intensity light > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0278162 A1 - Document ID: US20130278162A1 - Status: Published application - Kind: A1 - Application number: 13/452,623 - Filed: 2012-04-20 - Published: 2013-10-24 - Earliest claimed: 2012-04-20 - Assignees: Calvin Hugh Watson - Inventors: Calvin Hugh Watson; Cheryl Lynn Heinsohn - Web page: https://patentgrep.com/patent/US20130278162A1 ## CPC - H05B 45/3725: Switched mode power supply [SMPS] - H05B 47/105: in response to determined parameters - F21K 9/232: specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb - F21S 9/03: rechargeable by exposure to light - H05B 45/357: specially adapted for retrofit LED light sources - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract A bimodal light emitting diode (LED) light bulb, method, and system having a form factor compatible with industry standard light bulb sockets provides general lighting when power is received via one or more light bulb electrical contacts, then as a different luminosity when power is removed from the contacts. A first subset of LEDs is powerable via the contacts for general light, while a second subset of LEDs is powerable via an energy storage device. Both subsets of LEDs are packaged in a replaceable light bulb. The energy storage device may comprise a capacitor or battery which may be charged when power is supplied via the contacts. In one embodiment, power to LEDs is controlled by a timer, motion sensor, light sensor, sound sensor, dimmer, voltage sensor, or manual switch. In another embodiment, an ambience generator emits fragrance or background sound. In another embodiment, LEDs are individually replaceable. ## Claims ### Claim 1 A light bulb comprising: a plurality of light emitting diodes (LEDs); a light bulb base having a form factor compatible with at least one industry standard light bulb socket; one or more light bulb electrical contacts to supply power to a first subset of the plurality of LEDs; and an energy storage device to supply power to a second subset of the plurality of LEDs. ### Claim 2 (depends on 1) The light bulb of claim 1, wherein the energy storage device is charged via power supplied by the one or more light bulb electrical contacts. ### Claim 3 (depends on 1) The light bulb of claim 1, further comprising a rectifier to convert power supplied via the one or more light bulb electrical contacts from AC to DC. ### Claim 4 (depends on 1) The light bulb of claim 1, wherein the first subset of LEDs and the second subset of LEDs are mutually exclusive. ### Claim 5 (depends on 1) The light bulb of claim 1, wherein at least one LED is included in each of the first subset and the second subset. ### Claim 6 (depends on 1) The light bulb of claim 1, wherein power to the second subset of LEDs is configurable to be supplied via the one or more light bulb electrical contacts. ### Claim 7 (depends on 1) The light bulb of claim 1, further comprising an ambience generator configured to emit at least one selected from a group consisting of fragrance and background sound. ### Claim 8 (depends on 1) The light bulb of claim 1, further comprising a switch to control power to at least one of the first and second subset of LEDs, the switch comprising at least one selected from a group consisting of: timer switch, motion sensor switch, light sensor switch, sound sensor switch, dimmer switch, voltage sensor switch, and manual switch. ### Claim 9 (depends on 1) The light bulb of claim 1, wherein the first subset of LEDs provide a first level of light, and the second subset of LEDs provide a second level of light less luminous than the first level. ### Claim 10 (depends on 1) The light bulb of claim 1, further comprising one or more LED bases having a form factor compatible with industry standard LED sockets. ### Claim 11 (depends on 10) The light bulb of claim 10, wherein individual LEDs are replaceable. ### Claim 12 A light bulb comprising: a plurality of light emitting diodes (LEDs); a light bulb base having a form factor compatible with industry standard light bulb sockets; wherein power to a first subset of the plurality of LEDs is coupled to a first power source via one or more light bulb electrical contacts, and power to a second subset of the plurality of LEDs is coupled to a second power source. ### Claim 13 (depends on 12) The light bulb of claim 12, wherein the second power source comprises an energy storage device. ### Claim 14 (depends on 12) The light bulb of claim 12, wherein power to the second subset is supplied via the one or more light bulb electrical contacts. ### Claim 15 (depends on 12) The light bulb of claim 12, further comprising a rectifier to convert power supplied via the one or more light bulb electrical contacts from AC to DC. ### Claim 16 (depends on 12) The light bulb of claim 12, further comprising a switch to control power to at least one of the first and second subset of LEDs, the switch comprising at least one selected from a group consisting of: timer switch, motion sensor switch, light sensor switch, sound sensor switch, dimmer switch, voltage sensor switch, and manual switch. ### Claim 17 (depends on 12) The light bulb of claim 12, wherein the first subset of LEDs provides a first level of light, and the second subset of LEDs provides a second level of light less luminous than the first level. ### Claim 18 (depends on 12) The light bulb of claim 12, further comprising one or more LED bases having a form factor compatible with industry standard LED sockets. ### Claim 19 (depends on 18) The light bulb of claim 18, wherein individual LEDs are replaceable. ### Claim 20 In a system comprising a light bulb with a light bulb base having a form factor compatible with at least one industry standard light bulb socket, and a plurality of light emitting diodes (LEDs), a method comprising: supplying power to one or more light bulb electrical contacts; illuminating a first subset of the plurality of LEDs via power supplied by the one or more light bulb electrical contacts; illuminating a second subset of the plurality of LEDs via power supplied by an energy storage device; and wherein the first subset of LEDs and second subset of LEDs are packaged on the light bulb. ### Claim 21 (depends on 20) The method of claim 20, further comprising charging the energy storage device via power supplied by the one or more light bulb electrical contacts. ### Claim 22 (depends on 20) The method of claim 20, further comprising rectifying AC power from the light bulb socket to DC power. ### Claim 23 (depends on 20) The method of claim 20, further comprising controlling power to at least one of the first and second subset of LEDs by at least one selected from a group consisting of: timer switch, motion sensor switch, light sensor switch, sound sensor switch, dimmer switch, voltage sensor switch, and manual switch. ### Claim 24 A light bulb system comprising: a light bulb comprising a plurality of light emitting diodes (LEDs), a light bulb base, one or more light bulb electrical contacts to supply power to a first subset of the plurality of LEDs, an energy storage device to supply power to a second subset of the plurality of LEDs; a light bulb socket compatible with at least one industry standard for light bulb sockets; and wherein the light bulb base is compatible with the light bulb socket. ### Claim 25 (depends on 24) The lighting system of claim 24, wherein the energy storage device is charged via power supplied by the one or more light bulb electrical contacts. ### Claim 26 (depends on 24) The lighting system of claim 24, wherein power to the second subset of LEDs is configurable to be supplied via the one or more light bulb electrical contacts. ### Claim 27 (depends on 24) The lighting system of claim 24, further comprising a rectifier to convert power supplied via the one or more light bulb electrical contacts from AC to DC.