[특허]Light emitting devices including wavelength converting material

[미국특허] Light emitting devices including wavelength converting material 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01L-027/15 H01L-029/26 H01L-031/12 H01L-033/00 H01L-029/06 H01L-031/0328 H01L-031/0336 H01L-031/072 H01L-031/109 H01L-029/22
출원번호	US-0840532 (2010-07-21)
등록번호	US-8217402 (2012-07-10)
발명자 / 주소	Nemchuk, Nikolay I.
출원인 / 주소	Luminus Devices, Inc.
대리인 / 주소	Wolf, Greenfield & Sacks, P.C.
인용정보	피인용 횟수 : 1 인용 특허 : 42

초록

Light-emitting devices and associated methods are provided. The light emitting devices can have a wavelength converting material-coated emission surface.

대표청구항 ▼

1. A light emitting device comprising: a multi-layer stack of material including an n-doped region, a p-doped region and a light generating region disposed between the n-doped and p-doped regions, wherein at least a portion of the light generated from the light generating region emerges from the light emitting device via a top emission surface of the multi-layer stack of materials; anda wavelength converting material layer disposed according to a pattern on the top emission surface of the multi-layer stack of material, wherein sidewalls of the multi-layer stack of material are substantially devoid of the wavelength converting material. 2. The light emitting device of claim 1, wherein the wavelength converting material is phosphor. 3. The light emitting device of claim 1, wherein greater than 75% of the emitted light emerges from the light emitting device via the top emission surface. 4. The light emitting device of claim 1, wherein the pattern comprises a plurality of discrete features. 5. The light emitting device of claim 1, wherein the pattern comprises a plurality of stripes. 6. The light emitting device of claim 1, wherein greater than 50% of light emitted at a first wavelength is converted to a desired second wavelength by the wavelength converting material. 7. The light emitting device of claim 1, wherein greater than 75% of light emitted at a first wavelength is converted to a desired second wavelength by the wavelength converting material. 8. The light emitting device of claim 1, wherein greater than 90% of light emitted at a first wavelength is converted to a desired second wavelength by the wavelength converting material. 9. The light emitting device of claim 1, wherein the pattern is pre-determined. 10. A light emitting device comprising: a multi-layer stack of material including an n-doped region, a p-doped region and a light generating region disposed between the n-doped and p-doped regions, wherein at least a portion of the light generated from the light generating region emerges from the light emitting device via a top emission surface of the multi-layer stack of materials, wherein a plurality of recesses are formed in the top emission surface; anda wavelength converting material layer disposed in the recesses in the top emission surface, wherein sidewalls of the multi-layer stack of material are substantially devoid of the wavelength converting material. 11. The light emitting device of claim 10, wherein the recesses are formed according to a pattern. 12. The light emitting device of claim 10, wherein the recesses are holes. 13. The light emitting device of claim 10, wherein the holes have dimensions of less than 1 micron. 14. The light emitting device of claim 10, wherein the wavelength converting material layer is disposed only in the recesses in the top emission surface.

이 특허에 인용된 특허 (42) 인용/피인용 타임라인 분석

Dmitri Zalmanovich Garbuzov ; John Charles Connolly ; Robert Frank Karlicek, Jr. ; Ian Thomas Ferguson, Apparatus for performing wavelength-conversion using phosphors with light emitting diodes.
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Tian,Yongchi; Yocom,Perry Niel; Frederickson,Gerard; Yang,Liyou, Efficient, green-emitting phosphors, and combinations with red-emitting phosphors.
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Weber, Andreas G.; Cutler, Gregory M.; Trutna, Jr., William R.; Muller, Gerd O.; Muller-Mach, Regina B., Green phosphor converted light emitting diode.
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Ota,Koichi; Hirano,Atsuo; Ota,Akihito; Tasch,Stefan; Pachler,Peter; Roth,Gundula; Tews,Walter; Kempfert,Wolfgang; Starick,Detlef, Light emitting device.
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Danielson, Earl; Ellens, Andries; Jermann, Frank; Rossner, Wolfgang; Devenney, Martin; Giaquinta, Daniel; Kobusch, Manfred, Light emitting device for generating specific colored light, including white light.
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Ota,Koichi; Hirano,Atsuo; Ota,Akihito; Tasch,Stefan; Pachler,Peter; Roth,Gundula; Tews,Walter; Kempfert,Wolfgang; Starick,Detlef, Light emitting device having a divalent-europium-activated alkaline earth metal orthosilicate phosphor.
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Shimizu Yoshinori,JPX ; Sakano Kensho,JPX ; Noguchi Yasunobu,JPX ; Moriguchi Toshio,JPX, Light emitting device having a nitride compound semiconductor and a phosphor containing a garnet fluorescent material.
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Ota, Koichi; Hirano, Atsuo; Ota, Akihito; Tasch, Stefan; Pachler, Peter; Roth, Gundula; Tews, Walter; Kempfert, Wolfgang; Starick, Detlef, Light emitting device having phosphor of alkaline earth metal silicate.
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Soules Thomas Frederick ; Beers William Winder ; Srivastava Alok Mani ; Levinson Lionel Monty ; Duggal Anil Raj, Light emitting device with phosphor composition.
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Soules, Thomas Frederick; Beers, William Winder; Srivastava, Alok Mani; Levinson, Lionel Monty; Duggal, Anil Raj, Light emitting device with phosphor composition.
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Nemchuk, Nikolay I., Light emitting devices including wavelength converting material.
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Erchak, Alexei A.; Lidorikis, Eleftrios; Luo, Chiyan, Light emitting devices with improved extraction efficiency.
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Unno Tsunehiro (Ibaraki JPX) Konno Taichiro (Ibaraki JPX), Light emitting diode and process for fabricating the same.
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Mueller-Mach, Regina; Mueller, Gerd O.; Martin, Paul S., Light emitting diode device that emits white light.
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Tasch, Stefan; Pachler, Peter; Roth, Gundula; Tews, Walter; Kempfert, Wolfgang; Starick, Detlef, Light source comprising a light-emitting element.
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Tasch,Stefan; Pachler,Peter; Roth,Gundula; Tews,Walter; Kempfert,Wolfgang; Starick,Detlef, Light source with a light-emitting element.
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Ou,Chen; Lin,Ting Yang; Lai,Shih Kuo, Light-emitting device.
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Reeh, Ulrike; Höhn, Klaus; Stath, Norbert; Waitl, Günter; Schlotter, Peter; Schneider, Jürgen; Schmidt, Ralf, Light-radiating semiconductor component with a luminescence conversion element.
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Reeh,Ulrike; H철hn,Klaus; Stath,Norbert; Waitl,G체nter; Schlotter,Peter; Schneider,J체rgen; Schmidt,Ralf, Light-radiating semiconductor component with a luminescence conversion element.
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Mueller,Gerd O.; Mueller Mach,Regina B.; Krames,Michael R.; Schmidt,Peter J.; Bechtel,Hans Helmut; Meyer,Joerg; de Graaf,Jan; Kop,Theo Arnold, Luminescent ceramic for a light emitting device.
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Sarathy,Jithamithra; Ekambaram,Chinnabbu; Lidsky,David; Dave,Bharat; Stefanov,Boris; Thai,Tan B.; Simprini,Ronald; Martinez,Julio; Naik,Gaurav, Method and apparatus for bit-rate and format insensitive performance monitoring of lightwave signals.
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Dmitri Zalmanovich Garbuzov ; John Charles Connolly ; Robert Frank Karlicek, Jr. ; Ian Thomas Ferguson, Method and apparatus for performing wavelength-conversion using phosphors with light emitting diodes.
상세보기
Watanabe, Atsushi; Tanaka, Toshiyuki; Ota, Hiroyuki, Method for manufacturing a nitride semiconductor device and device manufactured by the method.
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Hohn Klaus,DEX ; Debray Alexandra,DEX ; Schlotter Peter,DEX ; Schmidt Ralf,DEX ; Schneider Jurgen,DEX, Method of producing a wavelength-converting casting composition.
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Tian,Yongchi; Zaremba,Diane; Yocom,Perry Niel, Methods and devices using high efficiency alkaline earth metal thiogallate-based phosphors.
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Lowery Christopher Haydn, Multiple encapsulation of phosphor-LED devices.
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Duboz Jean-Yves,FRX, Optoelectronic quantum well device having an optical resonant cavity and sustaining inter subband transitions.
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Erchak,Alexei A.; Panaccione,Paul; Karlicek, Jr.,Robert F.; Lim,Michael; Lidorikis,Elefterios; Venezia,Jo A.; Hoepfner,Christian, Packaging designs for LEDs.
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Gerd O. Mueller ; Regina B. Mueller-Mach, Phosphor converted light emitting diode.
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Dong,Yi; Wang,Ning; Cheng,Shifan; Li,Yi Qun, Phosphor systems for a white light emitting diode (LED).
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Collins, III, William David; Krames, Michael R.; Verhoeckx, Godefridus Johannes; van Leth, Nicolaas Joseph Martin, Phosphor-converted light emitting device.
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Yocom, Perry Niel; Zaremba, Diane, Preparation of high emission efficiency alkaline earth metal thiogallate phosphors.
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Tian, Yongchi; Zaremba, Diane; Hill, Ian Gregory, Red photoluminescent phosphors.
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Christopher H. Lowery ; Gerd Mueller ; Regina Mueller, Red-deficiency-compensating phosphor LED.
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Gardner, Nathan F.; Wierer, Jr., Jonathan J.; Mueller, Gerd O.; Krames, Michael R., Semiconductor light emitting devices.
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Wang,Ning; Dong,Yi; Cheng,Shifan; Li,Yi Qun, Silicate-based yellow-green phosphors.
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Baretz, Bruce; Tischler, Michael A., Solid state white light emitter and display using same.
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Mueller Mach,Regina B.; Mueller,Gerd O., Thin film phosphor-converted light emitting diode device.
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Mueller, Gerd O; Mueller-Mach, Regina B; Lowery, Christopher H, Tri-color, white light LED lamps.
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Erchak,Alexei A.; Meirav,Udi E.; Brown,Michael Gregory, Uniform color phosphor-coated light-emitting diode.
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Erchak,Alexei A.; Lim,Michael; Lidorikis,Elefterios; Venezia,Jo A.; Brown,Michael G.; Karlicek, Jr.,Robert F., Wavelength-converting light-emitting devices.
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Yasukawa,Takemasa; Shimonishi,Shota; Ota,Koichi, White light emitting device.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Pumyea, Warren P.; Lim, Michael; Lu, Hong; Erchak, Alexei A., Light-emitting device including independently electrically addressable sections.
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A	생활필수품
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[미국특허] Light emitting devices including wavelength converting material 원문보기