[특허]Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof

Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H05B-033/08 H05B-041/36
출원번호	US-0704730 (2010-02-12)
등록번호	US-10264637 (2019-04-16)
발명자 / 주소	van de Ven, Antony P. Negley, Gerald H. Harris, Michael James Pickard, Paul Kenneth Chobot, Joseph Paul Given, Terry
출원인 / 주소	Cree, Inc.
대리인 / 주소	Myers Bigel, P.A.
인용정보	피인용 횟수 : 0 인용 특허 : 165

초록 ▼

A lighting apparatus includes a string of serially-connected light emitting devices and a bypass circuit coupled to first and second nodes of the string and configured to variably conduct a bypass current around at least one of the light-emitting devices responsive to a temperature and/or a total current in the string. In some embodiments, the bypass circuit includes a variable resistance circuit coupled to the first and second nodes of the string and configured to variably conduct the bypass current around the at least one of the light-emitting devices responsive to a control voltage applied to a control node and a compensation circuit coupled to the control node and configured to vary the control voltage responsive to a temperature and/or total string current.

대표청구항 ▼

1. A lighting apparatus comprising: a string of serially-connected light emitting devices; anda bypass circuit configured to bypass at least one light-emitting device of the string of serially-connected light emitting devices based on a color point of the at least one light emitting device, to sense a current in the string and to individually vary a bypass current conducted by the bypass circuit in proportion to the sensed current in the string and concurrently responsive to a temperature sense signal. 2. The apparatus of claim 1, wherein the bypass circuit comprises: a variable resistance circuit coupled to first and second nodes of the string and configured to variably conduct the bypass current around the at least one of the light-emitting devices responsive to a control voltage applied to a control node; anda temperature compensation circuit coupled to the control node and configured to vary the control voltage responsive to the temperature. 3. The apparatus of claim 2, wherein the temperature compensation circuit comprises a voltage divider circuit comprising at least one thermistor. 4. The apparatus of claim 3, wherein the voltage divider circuit comprises: a first resistor having a first terminal coupled to the first node of the string and a second terminal coupled to the control node; anda second resistor having a first terminal coupled to the second node of the string and a second terminal coupled to the control node,wherein at least one of the first and second resistors comprises a thermistor. 5. The apparatus of claim 4, wherein the first resistor comprises a first thermistor and wherein the second resistor comprises a second thermistor. 6. The apparatus of claim 2, wherein the temperature compensation circuit is coupled to a node of the string such that the control voltage varies responsive to a current in the string. 7. The apparatus of claim 6, wherein the string further comprises a current sense resistor coupled in series with the light-emitting devices, and wherein the temperature compensation circuit is coupled to a terminal of the current sense resistor. 8. The apparatus of claim 2, wherein the variable resistance circuit comprises a bipolar junction transistor and wherein the control node comprises a base terminal of the bipolar junction transistor. 9. An apparatus for controlling a string of serially-connected light emitting devices, the apparatus comprising: a variable resistance circuit coupled to first and second nodes of the string and configured to variably conduct a bypass current around the at least one of the light-emitting devices responsive to a control voltage applied to a control node; anda temperature compensation circuit coupled to the control node and configured to vary the control voltage responsive to a temperature and comprising a voltage divider comprising: a first resistor having a first terminal coupled to the first node of the string and a second terminal coupled to the control node; anda second resistor having a first terminal coupled to the second node of the string and a second terminal coupled to the control node,wherein at least one of the first and second resistors comprises a thermistor. 10. A lighting apparatus comprising: a string of serially-connected light emitting devices; anda bypass circuit coupled to first and second nodes of the string and configured to sense a total current in the string and to individually variably partially bypass at least one of the light-emitting devices based on a color point of the at least one of the light emitting devices and in proportion to the sensed total current of the string responsive to the sensed total current of the string. 11. The apparatus of claim 10, wherein the string further comprises a current sense resistor coupled in series with the light-emitting devices, and wherein the bypass circuit is coupled to a terminal of the current sense resistor. 12. The apparatus of claim 10, wherein the bypass circuit comprises: a variable resistance circuit coupled to the first and second nodes of the string and configured to variably conduct a bypass current around the at least one of the light-emitting devices responsive to a control voltage applied to a control node of the variable resistance circuit; anda bypass control circuit configured to vary the control voltage responsive to the total current. 13. The apparatus of claim 12, wherein the variable resistance circuit comprises: a bipolar junction transistor having a collector terminal coupled to the first node of the string and wherein the control node comprises a base terminal of the bipolar junction transistor; anda resistor coupled between an emitter terminal of the bipolar junction transmitter and the second node of the string. 14. The apparatus of claim 12, wherein the bypass control circuit comprises a voltage divider circuit coupled to first and second nodes of the string and to the control node of the variable resistance circuit. 15. The apparatus of claim 14, wherein the voltage divider circuit comprises: a first resistor having a first terminal coupled to the first node of the string and a second terminal coupled to the control node; anda second resistor having a first terminal coupled to the second node of the string and a second terminal coupled to the control node. 16. The apparatus of claim 15, wherein the string further comprises a current sense resistor coupled in series with the light-emitting devices, and wherein the second resistor is coupled to a terminal of the current sense resistor. 17. The apparatus of claim 15, wherein at least one of the first and second resistors comprises a thermistor. 18. The apparatus of claim 15: wherein the variable resistance circuit comprises: a bipolar junction transistor having a collector terminal coupled to the first node of the string, wherein the control node comprises a base terminal of the bipolar junction transistor; anda third resistor coupled between an emitter terminal of the bipolar junction transmitter and the second node of the string; andwherein the second resistor has a first terminal coupled to the second node of the string. 19. An apparatus for controlling a string of serially-connected light emitting devices, the apparatus comprising: a variable resistance circuit coupled to first and second nodes of the string of serially-connected light emitting devices and configured to individually variably partially bypass at least one of the light-emitting devices based on a color point of the at least one of the light emitting devices and responsive to a control voltage applied to a control node of the variable resistance circuit; anda bypass control circuit configured to sense a total current in the string and to vary the control voltage responsive to the sensed total current through the string such that a bypass current through the variable resistance circuit varies in proportion to the sensed total current. 20. The apparatus of claim 19, wherein the variable resistance circuit comprises: a bipolar junction transistor having a collector terminal coupled to the first node of the string and wherein the control node comprises a base terminal of the bipolar junction transistor; anda resistor coupled between an emitter terminal of the bipolar junction transmitter and the second node of the string. 21. The apparatus of claim 19, wherein the bypass control circuit comprises a voltage divider circuit coupled to first and second nodes of the string and to the control node of the variable resistance circuit. 22. The apparatus of claim 19, wherein bypass control circuit is configured to be coupled to a terminal of a current sense resistor coupled in series with the light-emitting devices. 23. A lighting apparatus comprising: a string of serially-connected light emitting devices;a variable resistance circuit comprising: a bipolar junction transistor having a collector terminal coupled to a first node of the string; anda first resistor coupled between an emitter terminal of the bipolar junction transmitter and a second node of the string; anda bypass control circuit comprising: a second resistor having a first terminal coupled to the first node of the string and a second terminal coupled to the base terminal of the bipolar junction transistor;a third resistor having a first terminal coupled to the second node of the string; anda diode having a first terminal coupled to a second node of the third resistor and a second terminal coupled to the base terminal of the bipolar junction transistor. 24. The apparatus of claim 23, wherein the diode is thermally coupled to the bipolar junction transistor. 25. The apparatus of claim 24, wherein the transistor is a first transistor of an integrated complementary transistor pair and wherein the diode is a junction of a second transistor of the integrated complementary transistor pair. 26. A lighting apparatus comprising: a string of serially-connected light emitting devices; andbypass means for sensing a temperature and a current through the string and for controlling a color point of a string of serially-connected light emitting devices through selective bypass of at least one of the light emitting devices based on a color point of the at least one of the light emitting devices concurrently responsive to the sensed temperature and the sensed current through the string.

이 특허에 인용된 특허 (165)

Duggal, Anil Raj; Michael, Joseph Darryl, AC powered OLED device.
상세보기
Gloisten, Jennifer L.; Reisfeld, Frederick; Zeng, Samuel, Aircraft LED dome light having rotatably releasable housing mounted within mounting flange.
상세보기
Noguchi Masahiro (Ibaraki JPX), Apparatus and method for LED emission spectrum control.
상세보기
Rahm, Peter R.; McGrath, William R., Apparatus and method for adjusting the color temperature of white semiconduct or light emitters.
상세보기
Hasegawa Kazuo (Furukawa JPX) Sugifune Shin (Sendai JPX), Automatically adjusting drive circuit for light emitting diode.
상세보기
Kamaya Masashi,JPX ; Hyodo Haruo,JPX, Auxiliary light.
상세보기
Hu,Yuequan; Jovanović,Milan M.; Niu,Yuan Chao; Weng,Colin, Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor.
상세보기
Hu,Yuequan; Jovanović,Milan; Niu,Yuan Chao; Weng,Colin, Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor.
상세보기
Lewis Illingworth, Ballasts for operating light emitting diodes in AC circuits.
상세보기
Roy A. Colclaser ; David M. Szmyd, Bi-directional ESD diode structure.
상세보기
Fisler ; Charles F., Brightness control circuit for LED displays.
상세보기
Redfern, Chris, Ceiling lighting fixture.
상세보기
Kuijk Maarten,BEX ; Heremans Paul,BEX ; Borghs Gustaaf,BEX ; Vounckx Roger,BEX, Cell for optical-to-electrical signal conversion and amplification, and operation method thereof.
상세보기
Henry, George C., Charge pump regulator with load current control.
상세보기
Bebenroth Gunther,DEX, Circuit arrangement for operating a lamp.
상세보기
Perry Bradford J., Circuit for interfacing between a conventional traffic signal conflict monitor and light emitting diodes replacing a conventional incandescent bulb in the signal.
상세보기
Gotoh Shigeo (Yao JPX), Color mixing method for variable color lighting and variable color luminaire for use with the method.
상세보기
Klaus Dale A. ; Dodson Wendell ; Tan Swee, Compact fluorescent bulb socket.
상세보기
Mori Mutsuhiro (Hitachi JPX), Compound semiconductor device and electric power converting apparatus using such device.
상세보기
Yoshikawa Yoshinori (Kawasaki JPX) Gotoh Kunihiko (Tama JPX), Constant current source circuit.
상세보기
Alois Biebl DE; Franz Schellhorn DE; Guenther Hirschmann DE, Control circuit for LED and corresponding operating method.
상세보기
Biebl, Alois, Control circuit for LED and corresponding operating method.
상세보기
Beretta Giordano B. (Palo Alto CA), Correlated color temperature detector.
상세보기
Baldwin,David J.; Patel,Sanmukh, Current control device for driving LED devices.
상세보기
Bennett Paul T. (Phoenix AZ) Dixon Robert P. (Chandler AZ), Current limit sense circuit and method for controlling a transistor.
상세보기
Wilhelm Wilhelm (Munich DEX) Herrle Jrgen (Ingolstadt DEX), Current mode logic switching stage.
상세보기
Chen, Ke-Horng; Chiu, Chia-Lin; Li, Ling; Liu, Chia-Lin; Mo, Chi-Neng, Current-balance circuit and backlight module having the same.
상세보기
King,Leslie Charles; Gould,Carl T.; Vier,Chester G., Decorative luminaires.
상세보기
Kuijk Maarten (Antwerp BEX) Heremans Paul (Leuven BEX) Vounckx Roger (Schaarbeek BEX) Borghs Gustaaf (Kessel-Lo BEX), Differential pair of optical thyristors used as an optoelectronic transceiver.
상세보기
Lys,Ihor A.; Dowling,Kevin J.; Morgan,Frederick M., Dimmable LED-based MR16 lighting apparatus and methods.
상세보기
Ortiz Joe A., Diode drive current source.
상세보기
Dimmick Frederick (R.R. No. 3 Parry Sound ; Ontario ; P2A 2W9 CAX), Display sign.
상세보기
Choi Robert S. (Landisville PA) Kwai Kong C. (Mount Joy PA) Oong Choi (Lancaster PA), Double oscillator battery powered flashing superluminescent light emitting diode safety warning light.
상세보기
Barth, Alexander; Hein, Peter; Ludorf, Werner, Drive circuit for light-emitting diodes.
상세보기
Wang, Jing-Chyi; Chen, Chi-Ming, Driving circuit capable of enhancing energy conversion efficiency and driving method thereof.
상세보기
Mori Satoshi (Itami JPX), Driving circuit for cascode BiMOS switch.
상세보기
Wong, Lik-Kin; Man, Tze-Kau, Driving system with inductor pre-charging for LED systems with PWM dimming control or other loads.
상세보기
Yoo, Young Ho, Explosion-resistant street light.
상세보기
Weindorf, Paul F. L.; Anderson, David R., Flexible led backlighting circuit.
상세보기
Bouchard, Guy P, Floating switch controlling LED array segment.
상세보기
Tang Shih-Chuan,TWX, Floodlight.
상세보기
Jiang Su-Jane (Tainan Hsien TWX), Head light structure of a car.
상세보기
Sun,Tsung Ting; Tsai,Cheng Hung, Heat dissipating apparatus for lighting utility.
상세보기
Peng, Chang-Hung, Heat dissipating structure and lamp having the same.
상세보기
Shaner,Jeff R., Heat sink.
상세보기
Groh Allen R. (Roanoke TX), Heat-dissipating light fixture for use with tungsten-halogen lamps.
상세보기
Nalbant, Mehmet, High current fast rise and fall time LED driver.
상세보기
Negley Gerald H., High efficiency light emitting diodes.
상세보기
Eric J. Tarsa ; Brian Thibeault, High output radial dispersing lamp using a solid state light source.
상세보기
Johnson, Brant Ture; Aliberti, James Henry, Highly efficient series string LED driver with individual LED control.
상세보기
Ihor Lys ; George G. Mueller ; Frederick Marshall Morgan ; Michael K. Blackwell, Illumination components.
상세보기
Turnbull Robert R. ; Knapp Robert C. ; Roberts John K., Illuminator assembly incorporating light emitting diodes.
상세보기
Eggers Richard B., Incandescent bulb luminance matching LED circuit.
상세보기
Chun, James K., Incandescent tube bulb replacement assembly.
상세보기
Dowling,Kevin; Morgan,Frederick; Chemel,Brian; Mincheva,Adriana; Lys,Ihor A., Information systems.
상세보기
Latham, II, Paul W.; Canfield, John C., Integrated device providing current-regulated charge pump driver with capacitor-proportional current.
상세보기
Anderson Matthew E. ; Hughes ThomasA., Kinetically multicolored light source.
상세보기
Chang Chin ; Peng Shaomin, LED array employing a lattice relationship.
상세보기
Marshall Thomas M. ; Pashley Michael D. ; Herman Stephen ; Bruning Gert W., LED array having an active shunt arrangement.
상세보기
Allen,David; Allen,Mark, LED assemblies and light strings containing same.
상세보기
Mick,Perry J., LED brightness control system for a wide-range of luminance control.
상세보기
Sell, Timothy L., LED conversion system for recessed lighting.
상세보기
Sawada,Shinichi; Shimizu,Takayuki, LED drive circuit, LED lighting device, and backlight.
상세보기
David F. Swanson ; Marcello Criscione IT, LED driver circuit and method.
상세보기
Swanson, David F.; Stewart, James W.; Lam, Michael K.; Criscione, Marcello, LED driver circuit and method.
상세보기
Min, Young-Kee; Clauberg, Bernd; Hontele , Bertrand J. E., LED driver circuit with PWM output.
상세보기
Deng, Qi; Qiu, Weiguang, LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response.
상세보기
Sakura, Shigeyuki; Kaminishi, Katsuji, LED driving circuit and optical transmitting module.
상세보기
Wang, Pei Choa, LED illumination apparatus.
상세보기
Mo, Ci-Jin; Zhang, Da-Peng, LED lamp.
상세보기
Zheng, Shi-Song; Huang, Xing-Gui; Chen, Chin-Chung, LED lamp.
상세보기
Liu,Yi San; Xiao,Xu Hua; He,Li, LED lamp with a heat sink.
상세보기
Xiao, Xu Hua; He, Li; Liu, Yi San, LED lamp with a heat sink.
상세보기
Rashidi, Hamid, LED light with baffle trim.
상세보기
Wu,Tsu Yeh, LED light with blaze-like radiance effect.
상세보기
Kang, Jeong-il; Lee, Sang-hoon; Lee, Kyoung-geun; Sung, Jun-ho, LED lighting device and method for controlling the same based on temperature changes.
상세보기
Gunter,John B.; Berman,George; Berger,Valeriy K., LED lighting system.
상세보기
Shan,Xinxin, LED lighting system.
상세보기
Allen, David; Allen, Mark R., LED lights with matched AC voltage using rectified circuitry.
상세보기
Reisenauer William E. ; Gloisten Jennifer L. ; Pawelko Tolek, LED reading light.
상세보기
Muthu, Subramanian; Schuurmans, Frank J.; Chang, Chin; Gaines, James, LED-based white-light backlighting for electronic displays.
상세보기
Joseph S. Stam ; John K. Roberts, Lamp assembly incorporating optical feedback.
상세보기
Kano Tetsuhiro (Bamberg DEX), Lamp with ventilated housing.
상세보기
Kiley David A., Led drive circuit.
상세보기
Shirai Kiyokazu (Kawasaki JPX), Light emitting apparatus comprising multiple groups of LEDs each containing multiple LEDs.
상세보기
Shimizu, Yoshinori; Tsuji, Ryuhei; Inuzuka, Tomoaki; Taru, Masayuki; Mitani, Katsunori; Sakuragi, Harumi; Kunisaki, Yasuhiro, Light emitting apparatus, LED lighting, LED light emitting apparatus, and control method of light emitting apparatus.
상세보기
Kamikawa,Takeshi; Ito,Shigetoshi; Taneya,Mototaka, Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatus.
상세보기
Piepgras,Colin; Mueller,George G.; Lys,Ihor A.; Dowling,Kevin J.; Morgan,Frederick M., Light emitting diode based products.
상세보기
Awalt,Thruston; Deng,Qi, Light emitting diode driver circuit with high-speed pulse width modulated current control.
상세보기
Huynh,Kimlong; Tran,Vinhphu Quoc, Light emitting diode multiphase driver circuit and method.
상세보기
Van de Ven, Antony Paul; Chan, Wai Kwan, Light engine for a lighting device.
상세보기
Hartmann, Jr.,Richard; Camarota,Richard J., Light fixture.
상세보기
Hosoya,Hideyuki, Light source controlling circuit and portable electronic apparatus.
상세보기
Lin, Li-Wei; Lee, Chen-Chiang; Lee, Chi-Hsin; Lin, Wen-Ming; Liao, Chun-Chi; Huang, Yuan-Po, Light-emitting diode (LED) driving circuit.
상세보기
Van De Ven, Antony Paul; Chan, Wai Kwan, Lighting device.
상세보기
Van de Ven, Antony Paul; Chan, Wai Kwan; Lay, James Michael; Nguyen, Nick Hoang; Snell, Nathan R., Lighting device.
상세보기
Van De Ven,Antony Paul; Negley,Gerald H., Lighting device and lighting method.
상세보기
Van De Ven, Antony Paul; Negley, Gerald H., Lighting device which includes one or more solid state light emitting device.
상세보기
Harwood,Ronald Paul, Lighting device with multiple power sources and multiple modes of operation.
상세보기
Trott, Gary David; Pickard, Paul Kenneth, Lighting devices and methods of installing light engine housings and/or trim elements in lighting device housings.
상세보기
Redfern, Chris; Wilmotte, Jean-Michel, Lighting fixture.
상세보기
Franck Felix,DEX, Low-resistance bipolar bridge circuit.
상세보기
Miller Ira (Tempe AZ), MOS bandgap voltage reference circuit.
상세보기
Leen Monte A., Mercury vapor light.
상세보기
Lebens, Gary A.; Bourn, Charles T.; Lemaire, Charles A., Method and apparatus for a pulsed L.E.D. illumination source.
상세보기
Dygert, Gregory J., Method and apparatus for controlling light emitting diodes.
상세보기
Schuurmans, Frank Jeroen Pieter, Method and apparatus for sensing the color point of an RGB LED white luminary using photodiodes.
상세보기
van de Ven Antony,HKX, Method and apparatus to improve the color rendering of a solid state light source.
상세보기
Gaines,James M.; Pashley,Michael D., Method for maintaining light characteristics from a multi-chip LED package.
상세보기
Negley Gerald H. (Hillsborough NC), Method for producing high efficiency light-emitting diodes and resulting diode structures.
상세보기
Kawamura, Naoto; Thomas, David R; Waller, David J; Weber, Timothy L, Method of forming pillars in a fully integrated thermal inkjet printhead.
상세보기
Mueller, George G.; Morgan, Frederick M.; Lys, Ihor A.; Dowling, Kevin J., Methods and apparatus for illumination of liquids.
상세보기
Dowling, Kevin J., Methods and apparatus for providing luminance compensation.
상세보기
Lys,Ihor A.; Dowling,Kevin J.; Morgan,Frederick M., Methods and apparatus for providing power to lighting devices.
상세보기
Lys,Ihor A.; Dowling,Kevin J.; Morgan,Frederick M., Methods and apparatus for providing power to lighting devices.
상세보기
Emerson, David Todd, Methods for combining light emitting devices in a package and packages including combined light emitting devices.
상세보기
McKinney,Steven J.; Polak,Matthew C., Modulated control circuit and method for current-limited dimming and color mixing of display and illumination systems.
상세보기
Bhat, Jerome C.; Steigerwald, Daniel A.; Khare, Reena, Multi-chip semiconductor LED assembly.
상세보기
Mueller, George G.; Lys, Ihor A., Multicolored LED lighting method and apparatus.
상세보기
Thomas, James; Gatesman, Gary; Lynd, David; Mosier, Jim; Warner, Bryan T., Multiple use LED light fixture.
상세보기
Zulim, Don; Lydecker, Stephen Haight; King, Leslie Charles; Hinnefeld, Jon Dale, Networked architectural lighting with customizable color accents.
상세보기
Ghanem Mohamed Sherif,CAX, Non-linear light-emitting load current control.
상세보기
Tashiro Yoshiharu (Tokyo JPX) Kasahara Kenichi (Tokyo JPX), Optical logic device with PNPN detection and laser diode output.
상세보기
Grossman M. Gary, Outdoor light.
상세보기
Gauci,Jason, Outdoor light mounting bracket.
상세보기
Lys, Ihor A.; Ducharme, Alfred, Packaged information systems.
상세보기
Melanson, John L., Power control system for current regulated light sources.
상세보기
Shiu, Shian-Sung; Yu, Chung-Che; Lee, Li-Min; Peng, Ke, Power converting controller and light-emitting diode driving circuit.
상세보기
Robert Pezzani FR, Power integrated circuit.
상세보기
Haville George D. (Santa Barbara CA), Power saving regulated light emitting diode circuit.
상세보기
Saito, Yutaka; Ozaki, Kouei; Narukawa, Toshiaki; Ota, Tsutomu, Power supply and LED lamp device.
상세보기
Hochstein Peter A. (2966 River Valley Dr. Troy MI 48098), Power supply for light emitting diode array.
상세보기
Fossum Eric R. ; Waligorski Gregory, Pulse-controlled light emitting diode source.
상세보기
Lackey, Amy, Recessed illuminated tile light.
상세보기
Yoshida, Kazufumi; Yamamoto, Junichiro; Sakamoto, Shizuka, Recessed lighting fixture.
상세보기
Yoshinobu, Masayuki; Higuchi, Kazunari; Moriyama, Takayoshi; Hashimoto, Sumio, Recessed lighting fixture.
상세보기
Lee, Sheng-Hann, Self-oscillating transformerless electronic ballast.
상세보기
Negley, Gerald H.; van de Ven, Antony P., Semiconductor light emitting circuits including light emitting diodes and four layer semiconductor shunt devices.
상세보기
Zwanenburg,Michel J.; Gaines,James M., Sensing light emitted from multiple light sources.
상세보기
Newman, Jr., Robert C.; Taipale, Mark; Spira, Joel S., Single switch electronic dimming ballast.
상세보기
Lys, Ihor; Mueller, George G., Smart light bulb.
상세보기
Hutchison, Mike; Ovens, Kevin; Shinham, Tom, Solid state light with controlled light output.
상세보기
Yuan, Thomas; Keller, Bernd; Ibbetson, James; Tarsa, Eric; Negley, Gerald, Solid state lighting component.
상세보기
Negley, Gerald H.; van de Ven, Antony P., Solid state lighting devices including light mixtures.
상세보기
van de Ven, Antony P.; Athalye, Praneet Jayant, Solid-state lighting apparatus and methods using energy storage.
상세보기
Kida Junzo (Hitachi JPX) Arita Hiroshi (Mito JPX) Kurosawa Yukio (Hitachi JPX), Solid-state switch.
상세보기
Motilal Kamal,CAX, Supplemental automotive lighting.
상세보기
Xu,Peng; Hontele,Bertrand Johan Edward; Kuppen,Jean Pierre, Supply assembly for a led lighting module.
상세보기
Hector Chi Man Ng SG; Eddie Chiu Keung Suen SG; Chew Ming Hian SG, Switch mode power supply using transformer flux sensing for duty cycle control.
상세보기
Robinson,Shane P.; Jungwirth,Paul; Toma,Ion, Switched constant current driving and control circuit.
상세보기
Yang,Ta Yung, Switching LED driver.
상세보기
Havlik,Steven M.; Horning,Ernest F., System, apparatus, and method for driving light emitting diodes in low voltage circuits.
상세보기
Berg-johansen, Roar, Systems and methods for controlling brightness of an avionics display.
상세보기
Blackwell,Michael K., Systems and methods for controlling programmable lighting systems.
상세보기
Smithson,Bradley D., Temperature compensated warning light.
상세보기
Kao, Ying Hung; Hsiao, Emily, Thermal module.
상세보기
Janning John Louis, Thermistor shunt for series wired light string.
상세보기
Coulter ; Jr. Joseph R. (Miami Springs FL), Toner applicator for electrophotographic microimagery.
상세보기
Engelbrecht Jan C. (43 3rd Street Linden ; Johannesburg ; Transvaal ZAX), Trolley.
상세보기
Peterson Steven C. (Pocatello ID), Uniform intensity led driver circuit.
상세보기
Subramanian Muthu ; Chin Chang ; Gert Bruning, White LED luminary light control system.
상세보기
Kane, Paul J.; Miller, Michael E.; Cok, Ronald S., White-light electro-luminescent device with improved efficiency.
상세보기
Sandell,Donald R., Yard light.
상세보기
Sandell,Donald R., Yard light with dark sky shade.
상세보기
Lecluze Michel (1009 ; rue du Parc Industriel St-Jean-Chrysostome ; Quebec CAX G6Z 1C5 ), light projector.
상세보기

IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
구성항목	기본정보 상세정보 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	총 건의 자료가 검색되었습니다. 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오. ~ Text(ASCII format) Excel format

연합인증

Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허에 인용된 특허 (165)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트

연합인증

Solid state lighting apparatus with compensation bypass circuits and methods of operation thereof 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

전체(0) 논문(0) 특허(0) 보고서(0)

전체(0) 논문(0) 특허(0) 보고서(0)

이 특허에 인용된 특허 (165)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

AI-Helper ※ AI-Helper는 오픈소스 모델을 사용합니다.

선택된 텍스트