# US 2022/0037237 A1 · Omnidirectional flexible light emitting device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0037237 A1 - Document ID: US20220037237A1 - Status: Published application - Kind: A1 - Application number: 16/983,747 - Filed: 2020-08-03 - Published: 2022-02-03 - Earliest claimed: 2020-08-03 - Assignees: Feit Electric Company, Inc. - Applicants: Feit Electric Company, Inc. - Inventors: Alan Barry Feit - Web page: https://patentgrep.com/patent/US20220037237A1 ## CPC - F21S 4/24: of ribbon or tape form, e.g. LED tapes - H10W 70/688: {Flexible insulating substrates} - H05K 1/189: characterised by the use of flexible or folded printed circuits - H10W 70/65: Shapes or dispositions of interconnections - H10W 90/00: Package configurations - F21K 9/232: specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb - F21Y 2103/10: comprising a linear array of point-like light-generating elements - 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 1/0203: {Cooling of mounted components (H05K1/0272 takes precedence)} - H05K 1/0274: {Optical details, e.g. printed circuits comprising integral optical means (H05K1/0269 takes precedence; coupling light guides with opto-electronic components G02B6/42)} - H05K 2201/10106: Light emitting diode [LED] - F21S: NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS - H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10 - H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS - 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 - 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 ## Abstract An omnidirectional light emitting device is provided. An example device includes a flexible substrate having a substrate length, a first substrate surface, and a second substrate surface. The flexible substrate is configured to be flexibly wrenched about a longitudinal axis that is parallel to the substrate length. The example device further includes a plurality of LED packages disposed on the first substrate surface. Each LED package of the plurality of LED packages is configured to emit light outward from the flexible substrate. ## Claims ### Claim 1 A light emitting device, comprising: a flexible substrate having a substrate length, a first substrate surface and a second substrate surface, the flexible substrate configured to be flexibly wrenched about a longitudinal axis that is parallel to the substrate length; and a plurality of LED packages disposed on the first substrate surface, wherein each LED package of the plurality of LED packages is configured to emit light outward from the flexible substrate. ### Claim 2 (depends on 1) The light emitting device of claim 1, wherein the flexible substrate is configured to be twistably or rotatably wrenched about the longitudinal axis. ### Claim 3 (depends on 1) The light emitting device of claim 1, wherein the flexible substrate is configured to be twisted and/or rotated within a range of one or more of 0° to 90°, 90° to 180°, or 180° to 360°. ### Claim 4 (depends on 1) The light emitting device of claim 1, wherein the flexible substrate is configured to radiate heat. ### Claim 5 (depends on 1) The light emitting device of claim 1, wherein the flexible substrate further comprises: a circuit board, the circuit board having a first side and a second side; a plurality of LED packages disposed on and/or electrically and mechanically couplable to the first side; a plurality of leads/traces disposed on and/or electrically and mechanically couplable to one or more of the first or second side and electrically couplable with the plurality of LED packages; and driver circuitry disposed on and/or electrically and mechanically couplable with one or more of the first side or second side, the driver circuitry electrically couplable with the plurality of leads/traces of the circuit board. ### Claim 6 (depends on 1) The light emitting device of claim 1, wherein the plurality of LED packages comprise phosphor-based LED packages. ### Claim 7 (depends on 6) The light emitting device of claim 6, wherein the flexible substrate is of a matching color as a phosphor color of the phosphor-based LED packages. ### Claim 8 (depends on 6) The light emitting device of claim 6, wherein the plurality of LED packages are configured to emit blue light. ### Claim 9 (depends on 1) The light emitting device of claim 1, wherein each LED package of the plurality of LED packages comprises an LED package width. ### Claim 10 (depends on 9) The light emitting device of claim 9, wherein a substrate width of the flexible substrate is one or more of equivalent to or exceeds at least one LED package width. ### Claim 11 (depends on 1) The light emitting device of claim 1, wherein the flexible substrate comprises polyamide. ### Claim 12 (depends on 10) The light emitting device of claim 10, wherein the substrate width is 1 to 2 mm and the substrate length is 5 cm. ### Claim 13 A lighting apparatus, comprising: a transparent housing; a base for electrically coupling with a lighting socket; and a light emitting device electrically couplable with the base and housed within the transparent housing, wherein the light emitting device comprises: a flexible substrate having a substrate length, a first substrate surface, and a second substrate surface, the flexible substrate configured to be flexibly wrenched about a longitudinal axis that is parallel to the substrate length; and a plurality of LED packages disposed on the first substrate surface, wherein each LED package of the plurality of LED packages is configured to emit light outward from the flexible substrate. ### Claim 14 (depends on 13) The lighting apparatus of claim 13, wherein the plurality of LED packages comprise phosphor-based LED packages. ### Claim 15 (depends on 14) The lighting apparatus of claim 14, wherein the flexible substrate is of a matching color as a phosphor color of the phosphor-based LED packages. ### Claim 16 (depends on 13) The lighting apparatus of claim 13, wherein the base comprises one or more of an Edison-type base, a G4-type base, a G6.35-type base, a G6.35-type base, a G9-type base. ### Claim 17 (depends on 13) The lighting apparatus of claim 13, wherein the flexible substrate further comprises: a circuit board, the circuit board having a first side and a second side; a plurality of LED packages disposed on and/or electrically and mechanically couplable to the first side; a plurality of leads/traces disposed on and/or electrically and mechanically couplable to one or more of the first side or second side and electrically couplable with the plurality of LED packages; and driver circuitry disposed on and/or electrically and mechanically couplable with one or more of the first side or second side, the driver circuitry electrically couplable with the plurality of leads/traces of the circuit board. ### Claim 18 (depends on 17) The lighting apparatus of claim 17, wherein the base is mechanically and/or electrically couplable to the circuit board of the light emitting device such that electrical current is provided to the light emitting device. ### Claim 19 (depends on 13) The lighting apparatus of claim 13, wherein each LED package of the plurality of LED packages comprises an LED package width and wherein a substrate width of the flexible substrate is one or more of equivalent to or exceeds at least one LED package width. ### Claim 20 (depends on 13) The lighting apparatus of claim 13, wherein the flexible substrate is configured to be twisted and/or rotated within a range of one or more of 0° to 90°, 90° to 180°, or 180° to 360°.