DE29909713U1 - Device for guiding light - Google Patents

Device for guiding light

Info

Publication number
DE29909713U1
DE29909713U1 DE29909713U DE29909713U DE29909713U1 DE 29909713 U1 DE29909713 U1 DE 29909713U1 DE 29909713 U DE29909713 U DE 29909713U DE 29909713 U DE29909713 U DE 29909713U DE 29909713 U1 DE29909713 U1 DE 29909713U1
Authority
DE
Germany
Prior art keywords
guiding light
guiding
light
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
DE29909713U
Other languages
German (de)
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.)
Sarnatech Paulmann and Crone GmbH
Original Assignee
Sarnatech Paulmann and Crone GmbH
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 Sarnatech Paulmann and Crone GmbH filed Critical Sarnatech Paulmann and Crone GmbH
Priority to DE29909713U priority Critical patent/DE29909713U1/en
Publication of DE29909713U1 publication Critical patent/DE29909713U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • 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
    • F21V3/00—Globes; Bowls; Cover glasses
    • F21V3/04—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings
    • F21V3/06—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material
    • F21V3/062—Globes; Bowls; Cover glasses characterised by materials, surface treatments or coatings characterised by the material the material being plastics
    • 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
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0004—Personal or domestic articles
    • F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0058—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide
    • G02B6/0061—Means for improving the coupling-out of light from the light guide varying in density, size, shape or depth along the light guide to provide homogeneous light output intensity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/182—Illumination of the symbols or distinguishing marks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/18—Distinguishing marks on switches, e.g. for indicating switch location in the dark; Adaptation of switches to receive distinguishing marks
    • H01H9/185—Fluorescent or phosphorescent symbols or distinguishing marks
    • 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]
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/036—Light emitting elements
    • H01H2219/044—Edge lighting of layer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
DE29909713U 1998-10-07 1999-06-04 Device for guiding light Expired - Lifetime DE29909713U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29909713U DE29909713U1 (en) 1998-10-07 1999-06-04 Device for guiding light

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29817874U DE29817874U1 (en) 1998-10-07 1998-10-07 Device for guiding light
DE29909713U DE29909713U1 (en) 1998-10-07 1999-06-04 Device for guiding light

Publications (1)

Publication Number Publication Date
DE29909713U1 true DE29909713U1 (en) 1999-08-12

Family

ID=8063589

Family Applications (2)

Application Number Title Priority Date Filing Date
DE29817874U Expired - Lifetime DE29817874U1 (en) 1998-10-07 1998-10-07 Device for guiding light
DE29909713U Expired - Lifetime DE29909713U1 (en) 1998-10-07 1999-06-04 Device for guiding light

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE29817874U Expired - Lifetime DE29817874U1 (en) 1998-10-07 1998-10-07 Device for guiding light

Country Status (1)

Country Link
DE (2) DE29817874U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137919A1 (en) * 2000-09-01 2002-06-06 Thomas Emde Housing of an electrical or electronic device comprises at least one plate element provided with at least one light source emitting light into the plate element through its edge surface
DE102004056886A1 (en) * 2004-11-25 2006-06-01 Merten Gmbh & Co. Kg Switching device, has optical lens to guide and focus light from light source to light exit surface of light guide, in which guide includes auxiliary part including light entry surface, where part is perpendicular to base of guide
EP1791010A3 (en) * 2005-11-24 2010-02-10 TPO Hong Kong Holding Limited Light-emitting unit and method of producing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10137919A1 (en) * 2000-09-01 2002-06-06 Thomas Emde Housing of an electrical or electronic device comprises at least one plate element provided with at least one light source emitting light into the plate element through its edge surface
DE102004056886A1 (en) * 2004-11-25 2006-06-01 Merten Gmbh & Co. Kg Switching device, has optical lens to guide and focus light from light source to light exit surface of light guide, in which guide includes auxiliary part including light entry surface, where part is perpendicular to base of guide
DE102004056886B4 (en) * 2004-11-25 2009-12-17 Merten Gmbh & Co. Kg Switching element with a lighted field
EP1791010A3 (en) * 2005-11-24 2010-02-10 TPO Hong Kong Holding Limited Light-emitting unit and method of producing the same

Also Published As

Publication number Publication date
DE29817874U1 (en) 1998-12-24

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19990923

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20021018

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20050919

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20070709

R071 Expiry of right