USD740995S1 - Optical diffuser - Google Patents

Optical diffuser Download PDF

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Publication number
USD740995S1
USD740995S1 US29/490,179 US201429490179F USD740995S US D740995 S1 USD740995 S1 US D740995S1 US 201429490179 F US201429490179 F US 201429490179F US D740995 S USD740995 S US D740995S
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US
United States
Prior art keywords
optical diffuser
view
diffuser
optical
showing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
US29/490,179
Inventor
Ashish Pattekar
Christopher Paulson
Ramkumar Abhishek
Patrick Yasuo Maeda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xerox Corp
Original Assignee
Palo Alto Research Center Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Palo Alto Research Center Inc filed Critical Palo Alto Research Center Inc
Priority to US29/490,179 priority Critical patent/USD740995S1/en
Assigned to PALO ALTO RESEARCH CENTER INCORPORATED reassignment PALO ALTO RESEARCH CENTER INCORPORATED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MAEDA, PATRICK YASUO, ABISHEK, RAMKUMAR, PATTEKAR, ASHISH, PAULSON, CHRISTOPHER
Priority to US29/542,137 priority patent/USD806308S1/en
Application granted granted Critical
Publication of USD740995S1 publication Critical patent/USD740995S1/en
Priority to US15/818,296 priority patent/US10006617B2/en
Assigned to XEROX CORPORATION reassignment XEROX CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PALO ALTO RESEARCH CENTER INCORPORATED
Assigned to CITIBANK, N.A., AS COLLATERAL AGENT reassignment CITIBANK, N.A., AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: XEROX CORPORATION
Assigned to XEROX CORPORATION reassignment XEROX CORPORATION CORRECTIVE ASSIGNMENT TO CORRECT THE REMOVAL OF US PATENTS 9356603, 10026651, 10626048 AND INCLUSION OF US PATENT 7167871 PREVIOUSLY RECORDED ON REEL 064038 FRAME 0001. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: PALO ALTO RESEARCH CENTER INCORPORATED
Assigned to JEFFERIES FINANCE LLC, AS COLLATERAL AGENT reassignment JEFFERIES FINANCE LLC, AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: XEROX CORPORATION
Assigned to CITIBANK, N.A., AS COLLATERAL AGENT reassignment CITIBANK, N.A., AS COLLATERAL AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: XEROX CORPORATION
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/20—Light sources comprising attachment means
    • F21K9/23—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings
    • F21K9/232—Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • 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
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Led Device Packages (AREA)

Description

FIG. 1 is a front perspective view of an optical diffuser showing the present invention;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a side elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a front perspective view thereof, showing the optical diffuser in an environment of use.
The broken line portions shown in FIGS. 1 through 6 illustrate environmental subject matter only and form no part of the claimed design.

Claims (1)

    CLAIM
  1. We claim the ornamental design for an optical diffuser, as shown and described.
US29/490,179 2012-11-07 2014-05-07 Optical diffuser Active USD740995S1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US29/490,179 USD740995S1 (en) 2012-11-07 2014-05-07 Optical diffuser
US29/542,137 USD806308S1 (en) 2012-11-07 2015-10-12 Optical diffuser
US15/818,296 US10006617B2 (en) 2012-11-07 2017-11-20 LED bulb with integrated thermal and optical diffuser

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/671,372 US8764247B2 (en) 2012-11-07 2012-11-07 LED bulb with integrated thermal and optical diffuser
US29/490,179 USD740995S1 (en) 2012-11-07 2014-05-07 Optical diffuser

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
US13/671,372 Continuation US8764247B2 (en) 2012-11-07 2012-11-07 LED bulb with integrated thermal and optical diffuser

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US29/542,137 Division USD806308S1 (en) 2012-11-07 2015-10-12 Optical diffuser

Publications (1)

Publication Number Publication Date
USD740995S1 true USD740995S1 (en) 2015-10-13

Family

ID=50622192

Family Applications (4)

Application Number Title Priority Date Filing Date
US13/671,372 Active 2033-01-24 US8764247B2 (en) 2012-11-07 2012-11-07 LED bulb with integrated thermal and optical diffuser
US29/490,179 Active USD740995S1 (en) 2012-11-07 2014-05-07 Optical diffuser
US29/542,137 Active USD806308S1 (en) 2012-11-07 2015-10-12 Optical diffuser
US15/818,296 Active US10006617B2 (en) 2012-11-07 2017-11-20 LED bulb with integrated thermal and optical diffuser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
US13/671,372 Active 2033-01-24 US8764247B2 (en) 2012-11-07 2012-11-07 LED bulb with integrated thermal and optical diffuser

Family Applications After (2)

Application Number Title Priority Date Filing Date
US29/542,137 Active USD806308S1 (en) 2012-11-07 2015-10-12 Optical diffuser
US15/818,296 Active US10006617B2 (en) 2012-11-07 2017-11-20 LED bulb with integrated thermal and optical diffuser

Country Status (2)

Country Link
US (4) US8764247B2 (en)
CN (1) CN103807639B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10006617B2 (en) 2012-11-07 2018-06-26 Palo Alto Research Center Incorporated LED bulb with integrated thermal and optical diffuser
USD837443S1 (en) * 2017-02-14 2019-01-01 Shade Aps Lamp
USD839481S1 (en) * 2016-08-01 2019-01-29 Ashley Seutter Cosmetic drying rack

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US9010966B2 (en) * 2013-08-22 2015-04-21 Palo Alto Research Center Incorporated Optical array for LED bulb with thermal optical diffuser
US9831768B2 (en) 2014-07-17 2017-11-28 Crane Electronics, Inc. Dynamic maneuvering configuration for multiple control modes in a unified servo system
US9230726B1 (en) * 2015-02-20 2016-01-05 Crane Electronics, Inc. Transformer-based power converters with 3D printed microchannel heat sink
US9160228B1 (en) 2015-02-26 2015-10-13 Crane Electronics, Inc. Integrated tri-state electromagnetic interference filter and line conditioning module
JP6094618B2 (en) * 2015-04-08 2017-03-15 三菱電機株式会社 lamp
DE102015106708B4 (en) * 2015-04-30 2017-12-21 Visteon Global Technologies, Inc. Device for emitting light, in particular for generating an image
CN104930408B (en) * 2015-06-26 2017-08-25 矽照光电（厦门）有限公司 A kind of LED underwater lamps
US9293999B1 (en) 2015-07-17 2016-03-22 Crane Electronics, Inc. Automatic enhanced self-driven synchronous rectification for power converters
CN106402761A (en) * 2015-07-30 2017-02-15 全亿大科技（佛山）有限公司 Streetlamp
US9780635B1 (en) 2016-06-10 2017-10-03 Crane Electronics, Inc. Dynamic sharing average current mode control for active-reset and self-driven synchronous rectification for power converters
US9735566B1 (en) 2016-12-12 2017-08-15 Crane Electronics, Inc. Proactively operational over-voltage protection circuit
US9742183B1 (en) 2016-12-09 2017-08-22 Crane Electronics, Inc. Proactively operational over-voltage protection circuit
US10006619B1 (en) 2016-12-28 2018-06-26 WLC Enterprises, Inc. Combination LED lighting and fan apparatus
US10393357B2 (en) 2016-12-28 2019-08-27 WLC Enterprises, Inc. Combination built-in air flow mechanism, grow lighting and bug killer
US10247191B2 (en) * 2016-12-28 2019-04-02 WLC Enterprises, Inc. Combined LED light and fan apparatus
CN107388062A (en) * 2017-06-26 2017-11-24 漳州立达信光电子科技有限公司 Bulb device and the method for making lighting device
EP3655718A4 (en) 2017-07-17 2021-03-17 Alexander Poltorak Multi-fractal heat sink system and method
US9979285B1 (en) 2017-10-17 2018-05-22 Crane Electronics, Inc. Radiation tolerant, analog latch peak current mode control for power converters
US10344930B1 (en) * 2018-04-30 2019-07-09 Feit Electric Company, Inc. Flame lamp
US10425080B1 (en) 2018-11-06 2019-09-24 Crane Electronics, Inc. Magnetic peak current mode control for radiation tolerant active driven synchronous power converters
USD954329S1 (en) * 2019-07-26 2022-06-07 Excelitas Canada, Inc. Dome light
USD925812S1 (en) * 2019-07-26 2021-07-20 Excelitas Canada Inc. Dome light
CN211600385U (en) * 2020-02-25 2020-09-29 厦门龙胜达照明电器有限公司 Angle-adjustable lamp
USD991437S1 (en) * 2022-11-24 2023-07-04 Nuanji Zhao Cover for ceiling fan and light
USD991436S1 (en) * 2022-11-24 2023-07-04 Nuanji Zhao Cover for ceiling fan and light

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10006617B2 (en) 2012-11-07 2018-06-26 Palo Alto Research Center Incorporated LED bulb with integrated thermal and optical diffuser
USD839481S1 (en) * 2016-08-01 2019-01-29 Ashley Seutter Cosmetic drying rack
USD837443S1 (en) * 2017-02-14 2019-01-01 Shade Aps Lamp

Also Published As

Publication number Publication date
US20180073713A1 (en) 2018-03-15
CN103807639B (en) 2017-09-29
USD806308S1 (en) 2017-12-26
CN103807639A (en) 2014-05-21
US8764247B2 (en) 2014-07-01
US10006617B2 (en) 2018-06-26
US20140126213A1 (en) 2014-05-08

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