GB2381380B - LED lamp - Google Patents

LED lamp

Info

Publication number
GB2381380B
GB2381380B GB0227463A GB0227463A GB2381380B GB 2381380 B GB2381380 B GB 2381380B GB 0227463 A GB0227463 A GB 0227463A GB 0227463 A GB0227463 A GB 0227463A GB 2381380 B GB2381380 B GB 2381380B
Authority
GB
United Kingdom
Prior art keywords
led lamp
lamp
led
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.)
Expired - Lifetime
Application number
GB0227463A
Other versions
GB0227463D0 (en
GB2381380A (en
Inventor
Hassan Paddy Abdel Salam
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.)
Unisplay SA
Unisplay
Original Assignee
Unisplay SA
Unisplay
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
Priority claimed from GBGB9724507.0A external-priority patent/GB9724507D0/en
Priority claimed from GBGB9820311.0A external-priority patent/GB9820311D0/en
Application filed by Unisplay SA, Unisplay filed Critical Unisplay SA
Priority claimed from GB9825403A external-priority patent/GB2331625B/en
Publication of GB0227463D0 publication Critical patent/GB0227463D0/en
Publication of GB2381380A publication Critical patent/GB2381380A/en
Application granted granted Critical
Publication of GB2381380B publication Critical patent/GB2381380B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
    • H01L33/38—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes with a particular shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
    • H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L33/44—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the coatings, e.g. passivation layer or anti-reflective coating
    • H01L33/46—Reflective coating, e.g. dielectric Bragg reflector
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/481—Disposition
    • H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
    • H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
    • H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
    • H01L2224/4824—Connecting between the body and an opposite side of the item with respect to the body

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Led Device Packages (AREA)
GB0227463A 1997-11-19 1998-11-19 LED lamp Expired - Lifetime GB2381380B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9724507.0A GB9724507D0 (en) 1997-09-12 1997-11-19 Light source arrangements
GBGB9820311.0A GB9820311D0 (en) 1997-11-19 1998-09-17 Led lamp
GB9825403A GB2331625B (en) 1997-11-19 1998-11-19 led Lamp

Publications (3)

Publication Number Publication Date
GB0227463D0 GB0227463D0 (en) 2002-12-31
GB2381380A GB2381380A (en) 2003-04-30
GB2381380B true GB2381380B (en) 2003-06-18

Family

ID=27269100

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0227463A Expired - Lifetime GB2381380B (en) 1997-11-19 1998-11-19 LED lamp
GB0227947A Expired - Lifetime GB2381381B (en) 1997-11-19 1998-11-19 LED lamp

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0227947A Expired - Lifetime GB2381381B (en) 1997-11-19 1998-11-19 LED lamp

Country Status (1)

Country Link
GB (2) GB2381380B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4055503B2 (en) 2001-07-24 2008-03-05 日亜化学工業株式会社 Semiconductor light emitting device
EP1667241B1 (en) 2003-08-19 2016-12-07 Nichia Corporation Semiconductor light emitting diode and method of manufacturing the same
DE102004025684A1 (en) 2004-04-29 2005-11-17 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor chip and method for forming a contact structure for electrically contacting an optoelectronic semiconductor chip
DE102004021175B4 (en) 2004-04-30 2023-06-29 OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung Semiconductor chips for optoelectronics and methods for their manufacture
DE102009047889A1 (en) 2009-09-30 2011-03-31 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor chip and method for adapting a contact structure for the electrical contacting of an optoelectronic semiconductor chip

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544512A1 (en) * 1991-11-25 1993-06-02 Sharp Kabushiki Kaisha Light-emitting diode having a surface electrode of a tree-like form
US5696389A (en) * 1994-03-15 1997-12-09 Kabushiki Kaisha Toshiba Light-emitting semiconductor device
US5744828A (en) * 1995-07-13 1998-04-28 Kabushiki Kaisha Toshiba Semiconductor light emitting device with blocking layer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0405757A3 (en) * 1989-06-27 1991-01-30 Hewlett-Packard Company High efficiency light-emitting diode
DE19517697A1 (en) * 1995-05-13 1996-11-14 Telefunken Microelectron Orange to green light emitting semiconductor LED
DE19549818B4 (en) * 1995-09-29 2010-03-18 Osram Opto Semiconductors Gmbh Optoelectronic semiconductor device
DE59814431D1 (en) * 1997-09-29 2010-03-25 Osram Opto Semiconductors Gmbh Semiconductor light source and method for its production

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544512A1 (en) * 1991-11-25 1993-06-02 Sharp Kabushiki Kaisha Light-emitting diode having a surface electrode of a tree-like form
US5696389A (en) * 1994-03-15 1997-12-09 Kabushiki Kaisha Toshiba Light-emitting semiconductor device
US5744828A (en) * 1995-07-13 1998-04-28 Kabushiki Kaisha Toshiba Semiconductor light emitting device with blocking layer

Also Published As

Publication number Publication date
GB0227947D0 (en) 2003-01-08
GB2381381A (en) 2003-04-30
GB0227463D0 (en) 2002-12-31
GB2381380A (en) 2003-04-30
GB2381381B (en) 2003-06-11

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120119 AND 20120125

PE20 Patent expired after termination of 20 years

Expiry date: 20181118