GB1594553A - Electroluminescent display element - Google Patents

Electroluminescent display element Download PDF

Info

Publication number
GB1594553A
GB1594553A GB1811/78A GB181178A GB1594553A GB 1594553 A GB1594553 A GB 1594553A GB 1811/78 A GB1811/78 A GB 1811/78A GB 181178 A GB181178 A GB 181178A GB 1594553 A GB1594553 A GB 1594553A
Authority
GB
United Kingdom
Prior art keywords
reflector
display element
halves
cavity
crystal
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
Application number
GB1811/78A
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1594553A publication Critical patent/GB1594553A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/857—Interconnections, e.g. lead-frames, bond wires or solder balls
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/852—Encapsulations
    • H10H20/853—Encapsulations characterised by their shape
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
    • H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
    • H10H20/80—Constructional details
    • H10H20/85—Packages
    • H10H20/855—Optical field-shaping means, e.g. lenses
    • H10H20/856—Reflecting means

Landscapes

  • Led Device Packages (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Led Devices (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
GB1811/78A 1977-01-20 1978-01-17 Electroluminescent display element Expired GB1594553A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7701567A FR2378325A1 (fr) 1977-01-20 1977-01-20 Element d'affichage electroluminescent

Publications (1)

Publication Number Publication Date
GB1594553A true GB1594553A (en) 1981-07-30

Family

ID=9185711

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1811/78A Expired GB1594553A (en) 1977-01-20 1978-01-17 Electroluminescent display element

Country Status (6)

Country Link
JP (1) JPS5392681A (https=)
CA (1) CA1126373A (https=)
DE (1) DE2800797A1 (https=)
FR (1) FR2378325A1 (https=)
GB (1) GB1594553A (https=)
IT (1) IT1092278B (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226185A (en) * 1988-12-17 1990-06-20 Samsung Electronics Co Ltd A light emitting apparatus
WO2001024281A1 (de) * 1999-09-30 2001-04-05 Osram Opto Semiconductors Gmbh & Co. Ohg Optoelektronisches bauelement mit reflektor und verfahren zur herstellung desselben
EP1011151A3 (en) * 1998-12-16 2001-08-01 Rohm Co., Ltd. Semiconductor device with reflector
US8523413B2 (en) 2005-12-12 2013-09-03 Koninklijke Philips N.V. LED collimator element for a vehicle headlight with a low-beam function

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4271408A (en) * 1978-10-17 1981-06-02 Stanley Electric Co., Ltd. Colored-light emitting display
DE19748522A1 (de) * 1997-11-03 1999-05-12 Siemens Ag Verkehrstechnische Signalisierungseinrichtung mit aus Leuchtdioden zusammengesetzten Anzeigen
DE102004031732A1 (de) * 2004-06-30 2006-01-19 Osram Opto Semiconductors Gmbh Strahlungsemittierender Halbleiterchip mit einem Strahlformungselement und Strahlformungselement
EP1794491B1 (en) 2004-09-20 2011-06-29 Philips Intellectual Property & Standards GmbH Led collimator element with an asymmetrical collimator
TW200930948A (en) * 2007-10-09 2009-07-16 Koninkl Philips Electronics Nv Light emitting device package, light output system and light output method
DE102013106033A1 (de) * 2013-06-11 2014-12-11 Ruco-Licht Gmbh Leuchte

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2226185A (en) * 1988-12-17 1990-06-20 Samsung Electronics Co Ltd A light emitting apparatus
GB2226185B (en) * 1988-12-17 1993-06-02 Samsung Electronics Co Ltd A light emitting apparatus
EP1011151A3 (en) * 1998-12-16 2001-08-01 Rohm Co., Ltd. Semiconductor device with reflector
US6355946B1 (en) 1998-12-16 2002-03-12 Rohm Co., Ltd. Semiconductor device with reflector
WO2001024281A1 (de) * 1999-09-30 2001-04-05 Osram Opto Semiconductors Gmbh & Co. Ohg Optoelektronisches bauelement mit reflektor und verfahren zur herstellung desselben
US8523413B2 (en) 2005-12-12 2013-09-03 Koninklijke Philips N.V. LED collimator element for a vehicle headlight with a low-beam function

Also Published As

Publication number Publication date
CA1126373A (en) 1982-06-22
DE2800797A1 (de) 1978-07-27
FR2378325A1 (fr) 1978-08-18
IT7819324A0 (it) 1978-01-17
JPS5392681A (en) 1978-08-14
IT1092278B (it) 1985-07-06
FR2378325B1 (https=) 1979-05-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee