# US 2013/0278152 A1 · Light emitting diode lighting device and light emitting diode lamp > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0278152 A1 - Document ID: US20130278152A1 - Status: Published application - Kind: A1 - Application number: 13/572,122 - Filed: 2012-08-10 - Published: 2013-10-24 - Earliest claimed: 2012-04-20 - Assignees: Delta Electronics (Shanghai) Co., Ltd. - Inventors: Weiqiang Zhang; Lizhi Xu; Jianping Ying - Web page: https://patentgrep.com/patent/US20130278152A1 ## CPC - H05B 45/382: with galvanic isolation between input and output - H05B 45/39: Circuits containing inverter bridges - H05B 45/42: Antiparallel configurations - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL ## Abstract The present application discloses a light emitting diode lighting device and a light emitting diode lamp, the light emitting diode lighting device includes: a fluorescent lamp ballast outputting an alternating current; and at least one first light emitting diode lamp coupled with the fluorescent lamp ballast, and comprising a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit. The present application directly replaces a conventional fluorescent lamp tube with a properly designed LED lamp without any other modifications when reinstallation a conventional fluorescent lamp lighting device into a light emitting diode lighting device, which may reduce the cost of reinstallation, and greatly facilitate the user. ## Claims ### Claim 1 A light emitting diode lighting device, comprising: a fluorescent lamp ballast outputting an alternating current; and at least one light emitting diode lamp coupled with the fluorescent lamp ballast. ### Claim 2 (depends on 1) According to the light emitting diode lighting device of claim 1, wherein the light emitting diode lamp comprises a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit, and/or comprises at least one set of anti-parallel light emitting diode strings which are coupled with the fluorescent lamp ballast. ### Claim 3 (depends on 2) According to the light emitting diode lighting device of claim 2, wherein the rectifying and filtering circuit comprises: a rectifier bridge coupled with the fluorescent lamp ballast; and a filter capacitor coupled with the rectifier bridge. ### Claim 4 (depends on 2) According to the light emitting diode lighting device of claim 2, further comprising: a current limiting element coupled between the rectifying and filtering circuit and the fluorescent lamp ballast. ### Claim 5 (depends on 4) According to the light emitting diode lighting device of claim 4, wherein the current limiting element is a capacitor, an inductor or a resistor. ### Claim 6 (depends on 2) According to the light emitting diode lighting device of claim 2, further comprising: a current limiting element coupled between the fluorescent lamp ballast and the at least one set of anti-parallel light emitting diode strings. ### Claim 7 (depends on 6) According to the light emitting diode lighting device of claim 6, wherein the current limiting element is a capacitor, an inductor or a resistor. ### Claim 8 (depends on 1) According to the light emitting diode lighting device of claim 1, further comprising: at least one fluorescent lamp tube coupled with the fluorescent lamp ballast. ### Claim 9 (depends on 1) According to the light emitting diode lighting device of claim 1, wherein the fluorescent lamp ballast is a half-bridge parallel resonance circuit or a half-bridge Push-Pull circuit. ### Claim 10 A light emitting diode lamp coupled with a fluorescent lamp ballast, comprising: at least one first light emitting diode lamp comprising a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit. ### Claim 11 (depends on 10) According to the light emitting diode lamp of claim 10, further comprising at least one second light emitting diode lamp comprising at least one set of anti-parallel light emitting diode strings which is coupled with the fluorescent lamp ballast. ### Claim 12 (depends on 10) According to the light emitting diode lamp of claim 10, wherein the rectifying and filtering circuit comprises: a rectifier bridge coupled with the fluorescent lamp ballast; and a filter capacitor coupled with the rectifier bridge. ### Claim 13 (depends on 10) According to the light emitting diode lamp of claim 10, further comprising: a current limiting element coupled between the rectifying and filtering circuit and the fluorescent lamp ballast. ### Claim 14 (depends on 13) According to the light emitting diode lamp of claim 13, wherein the current limiting element is a capacitor, an inductor or a resistor. ### Claim 15 (depends on 11) According to the light emitting diode lamp of claim 11, further comprising: a current limiting element coupled between the fluorescent lamp ballast and the at least one set of anti-parallel light emitting diode strings. ### Claim 16 (depends on 15) According to the light emitting diode lamp of claim 15, wherein the current limiting element is a capacitor, an inductor or a resistor. ### Claim 17 A light emitting diode lamp coupled with a fluorescent lamp ballast, comprising: at least one light emitting diode lamp comprising at least one set of anti-parallel light emitting diode strings which is coupled with the fluorescent lamp ballast. ### Claim 18 (depends on 17) According to the light emitting diode lamp of claim 17, further comprising: a current limiting element coupled between the fluorescent lamp ballast and the at least one set of anti-parallel light emitting diode strings. ### Claim 19 (depends on 18) According to the light emitting diode lamp of claim 18, wherein the current limiting element is a capacitor, an inductor or a resistor.