# US 11,306,876 B2 · Miniature integrated omnidirectional LED bulb > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,306,876 B2 - Document ID: US11306876B2 - Status: Granted - Kind: B2 - Application number: 16/836,340 - Filed: 2020-03-31 - Published: 2020-07-16 - Granted: 2022-04-19 - Earliest claimed: 2018-11-16 - Assignees: EmeryAllen, LLC - Applicants: EmeryAllen, LLC - Inventors: Thomas Garber - Web page: https://patentgrep.com/patent/US11306876B2 ## CPC - F21K 9/232: specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb - F21K 9/238: Arrangement or mounting of circuit elements integrated in the light source - F21K 9/66: Details of globes or covers forming part of the light source - F21V 29/70: characterised by passive heat-dissipating elements, e.g. heat-sinks - F21V 29/86: {Ceramics or glass} - H05K 1/028: {Bending or folding regions of flexible printed circuits (H05K1/0283 takes precedence)} - F21Y 2107/70: on flexible or deformable supports or substrates, e.g. for changing the light source into a desired form - F21Y 2115/10: Light-emitting diodes [LED] - H05K 2201/10106: Light emitting diode [LED] - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - 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 - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract The present disclosure relates to various embodiments to enable the assembly, construction, and operation of a miniature integrated LED lamp comprising an envelope positioned at a distal end of a solid body portion and a base positioned at a proximal end of the solid body. The envelope further comprises a transparent light diffuser enclosing a semi-cylindrical light pipe containing one or more LEDs populated on its external surface and a LED driver positioned internally within a formed lumen of the light pipe. The light pipe and LED driver are physically and or electrically connected to a cylindrical heatsink encapsulated within the envelope and body portion of the bulb, facilitating thermal management. The envelope and base are assembled together with one or more specific lamp bases to form an LED lamp satisfying performance standards suitable for retrofit or replacement of a standard INC or halogen lamp. ## Claims ### Claim 1 A miniature light emitting diode (LED) light bulb comprising: a base portion including one or more electrical contacts arranged to mate with an electrical receptacle to receive electric current; an envelope portion comprising: a substantially cylindrical body portion coupled to the base portion; a heat sink coupled to an inner circumference of the body portion; and a substantially cylindrical light diffusing portion coupled to an upper circumference of the body portion, the light diffusing portion and the body portion defining an interior portion of the envelope portion, the envelope portion being less than 75 mm in length and less than 25 mm in diameter; and an LED light assembly being housed in the interior portion of the envelope portion, the LED light assembly comprising: a flexible printed circuit board; a plurality of LEDs being disposed on a surface of the flexible printed circuit board, the plurality of LEDs being electrically and thermally connected to comprise an LED array; and an electronics assembly being disposed on the surface of the flexible printed circuit board and comprising an LED driver and an integrated circuit being operably engaged with the one or more electrical contacts and the plurality of LEDs to provide power to the LED array, wherein the LED array and the electronics assembly are operably configured to comprise a luminous efficiency of at least 45 lumens per watt, wherein the flexible printed circuit board is folded at one or more plane axis to define a radial arrangement of the plurality of LEDs. ### Claim 2 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to comprise a power factor of greater than or equal to 90% when engaged at a full light output. ### Claim 3 (depends on 1) The miniature LED light bulb of claim 1 wherein the heat sink comprises a ceramic substrate being housed in a metal tube. ### Claim 4 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to comprise a nominal correlated color temperature of less than or equal to 4000 Kelvin. ### Claim 5 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to comprise a color rendering index of at least 90. ### Claim 6 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to comprise a rated lifetime of at least 15,000 hours. ### Claim 7 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured such that the plurality of LEDs is dimmable to at least 10 percent of full light output. ### Claim 8 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to enable a percent amplitude modulation of less than 30 percent at frequencies less than 200 Hz. ### Claim 9 (depends on 1) The miniature LED light bulb of claim 1 wherein the LED array and the electronics assembly are operably configured to comprise an audible output of less than 24 dBA when the LED array is engaged at 100 percent and 20 percent of full light output. ### Claim 10 A miniature light emitting diode (LED) light bulb comprising: a base portion including one or more electrical contacts arranged to mate with an electrical receptacle to receive electric current; an envelope portion comprising: a substantially cylindrical body portion coupled to the base portion; a heat sink coupled to an inner circumference of the body portion; and a substantially cylindrical light diffusing portion coupled to an upper circumference of the body portion, the light diffusing portion and the body portion defining an interior portion of the envelope portion, the envelope portion being less than 75 mm in length and less than 25 mm in diameter; and, an LED light assembly being housed in the interior portion of the envelope portion, the LED light assembly comprising: a flexible printed circuit board being less than or equal to 95 millimeters in length and less than or equal to 30 millimeters in width when in a planar configuration; a plurality of LEDs disposed on a surface of the flexible printed circuit board, the plurality of LEDs being electrically and thermally connected to comprise an LED array; and an electronics assembly disposed on the surface of the flexible printed circuit board, the electronics assembly comprising an LED driver and an integrated circuit being operably engaged with one or more electrical contacts to receive electricity and operably engaged with the plurality of LEDs to provide power to the LED array, the LED array and the electronics assembly being operably configured to comprise a luminous efficiency of at least 45 lumens per watt, wherein the flexible printed circuit board is folded at one or more plane axis to define a radial arrangement of the LED array. ### Claim 11 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise a power factor of greater than or equal to 90% when engaged at a full light output. ### Claim 12 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to enable a percent amplitude modulation of less than 30 percent at frequencies less than 200 Hz. ### Claim 13 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured such that the plurality of LEDs is dimmable to at least 10 percent of full light output. ### Claim 14 (depends on 10) The miniature LED light bulb of claim 10 wherein the heat sink comprises a metal tube operably engaged with a ceramic substrate. ### Claim 15 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise a start time of less than 500 milliseconds. ### Claim 16 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise a nominal correlated color temperature of less than or equal to 4000 Kelvin. ### Claim 17 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise a color rendering index of at least 90. ### Claim 18 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise a rated lifetime of at least 15,000 hours. ### Claim 19 (depends on 10) The miniature LED light bulb of claim 10 wherein the LED array and the electronics assembly are operably configured to comprise an audible output of less than 24 dBA when the LED array is engaged at 100 percent and 20 percent of full light output. ### Claim 20 A miniature light emitting diode (LED) light bulb comprising: a base portion including one or more electrical contacts arranged to mate with an electrical receptacle to receive electric current; an envelope portion comprising: a substantially cylindrical body portion coupled to the base portion; a heat sink coupled to an inner circumference of the body portion; and a substantially cylindrical light diffusing portion coupled to an upper circumference of the body portion, wherein the base portion and the envelope portion together are less than 100 mm in length and less than 25 mm in diameter; and an LED light assembly being housed in an interior portion of the envelope portion, the LED light assembly comprising: a flexible printed circuit board; a plurality of LEDs being disposed on a surface of the flexible printed circuit board, the plurality of LEDs being electrically and thermally connected to comprise an LED array; and an electronics assembly being disposed on the surface of the flexible printed circuit board and comprising an LED driver and an integrated circuit being operably engaged with the one or more electrical contacts and the plurality of LEDs to provide power to the LED array, wherein the LED array and the electronics assembly are operably configured to comprise a luminous efficiency of at least 45 lumens per watt, wherein the flexible printed circuit board is folded at one or more plane axis to define a radial arrangement of the plurality of LEDs.