GB2470089A - Thin plate light source - Google Patents

Thin plate light source Download PDF

Info

Publication number
GB2470089A
GB2470089A GB0922739A GB0922739A GB2470089A GB 2470089 A GB2470089 A GB 2470089A GB 0922739 A GB0922739 A GB 0922739A GB 0922739 A GB0922739 A GB 0922739A GB 2470089 A GB2470089 A GB 2470089A
Authority
GB
United Kingdom
Prior art keywords
light source
thin
plat
plate
thin plate
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.)
Withdrawn
Application number
GB0922739A
Other versions
GB0922739D0 (en
Inventor
Haifeng Zhao
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.)
Individual
Original Assignee
Individual
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 DE202009006326U external-priority patent/DE202009006326U1/en
Application filed by Individual filed Critical Individual
Priority to GB0922739A priority Critical patent/GB2470089A/en
Publication of GB0922739D0 publication Critical patent/GB0922739D0/en
Publication of GB2470089A publication Critical patent/GB2470089A/en
Withdrawn legal-status Critical Current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
    • 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
    • G02B6/0066—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 characterised by the light source being coupled to the light guide
    • G02B6/0073—Light emitting diode [LED]
    • 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
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G02B6/0043—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles provided on the surface of the light guide

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)

Abstract

A light source is provided by a thin plate 1 which is semi or fully transparent and which has a number of canals or blind holes 3 provided on opposite sides of the plate 1 into which are placed LEDs 2. The LEDs 2 are chosen to be less than 4mm thick. A diffusion layer is provided by the use of regular white spots printed or carved into the surface of the plate 1. An optical film (7, fig 2) is provided on the plate 1. The whole light source may be less than 4mm thick.

Description

DIITI(rJ A thin plat type of LED surface light source
Technical Field
This invention is a thin plat type of LED surface light source. The main features include big area of smooth and even luminescence and thin thickness of less than 4mm. It can be widely used in the fields where thin light source is required.
Background technology
At present, all the surface light sources are quite thick. The thickness of light body restricts the usage of lighting fixture and eliminate to a great extent on the places which cannot be damaged or dug, for example, walls, grounds, the places where do not have enough light source on the area.
The content of new utility module This technology provides a new utility module of thin plat light source. It has solved the difficult problems of both features of thin thickness and large area of surface light source.
This new utility module achieves the target via following technical plans: A thin plat type of LED surface light source, its features include: that it combines thin LED bulbs (Fig.1 & Fig.2 No.2) with transparent or semitransparent optical plat (Fig.1 & Fig.2 No.1). Thin LED bulbs (Fig.1 & Fig.2 No.2) are symmetrically inserted into the canals (Fig. 1 & Fig.2 No.3) on both edges (Fig.1 & Fig.2 No.3) of the plat; White spots are regularly printed or carved on one or both side of the plat (Fig. 2 No.1), light generated from LED bulbs is diffusely reflected by the white spots (Fig.2 No.1) and illuminate the plat surfaces smoothly and evenly.
The light sources are thin LED bulbs with thickness less than 4mm. (Fig. 3 (1)(2)(3)).
The thickness of LED bulbs do not exceed that of the thin plat, which is less than 4mm. LED bulbs are embeded in both edge of the transparent or semi-transparent plat and form a unity disk.
White spots (Fig.1 & 2 No.1) are regularly printed or carved on both surfaces of transparent or semi-transparent plat. Top surface of the plat is coated transmission film (Fig.2 No.7), bottom surface (Fig.2 No.5), all edges (Fig.1 No.6) are covered with reflaction film.
The advantageous effects of such plat LED light source provide new utility model of thin flat, pressureable, even and smooth surface light source.
GB0922739A 2009-05-04 2009-12-31 Thin plate light source Withdrawn GB2470089A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0922739A GB2470089A (en) 2009-05-04 2009-12-31 Thin plate light source

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009006326U DE202009006326U1 (en) 2009-05-04 2009-05-04 Thin LED area light source
GB0922739A GB2470089A (en) 2009-05-04 2009-12-31 Thin plate light source

Publications (2)

Publication Number Publication Date
GB0922739D0 GB0922739D0 (en) 2010-02-17
GB2470089A true GB2470089A (en) 2010-11-10

Family

ID=41795923

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0922739A Withdrawn GB2470089A (en) 2009-05-04 2009-12-31 Thin plate light source

Country Status (1)

Country Link
GB (1) GB2470089A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040017688A1 (en) * 2002-07-25 2004-01-29 Behavior Tech Computer Corporation Illumination device for backlighting panels
US20040130019A1 (en) * 2002-12-17 2004-07-08 Mi-Chien Chen Light source system with sealed light emitting diode recesses
US20050219860A1 (en) * 2004-03-31 2005-10-06 Schexnaider Craig J Light panel illuminated by light emitting diodes
US20080137369A1 (en) * 2005-12-26 2008-06-12 Minebea Co., Ltd. Planar Illumination Device
US20090109672A1 (en) * 2007-10-25 2009-04-30 Foxsemicon Integrated Technology, Inc. Light emitting diode based surface lighting device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040017688A1 (en) * 2002-07-25 2004-01-29 Behavior Tech Computer Corporation Illumination device for backlighting panels
US20040130019A1 (en) * 2002-12-17 2004-07-08 Mi-Chien Chen Light source system with sealed light emitting diode recesses
US20050219860A1 (en) * 2004-03-31 2005-10-06 Schexnaider Craig J Light panel illuminated by light emitting diodes
US20080137369A1 (en) * 2005-12-26 2008-06-12 Minebea Co., Ltd. Planar Illumination Device
US20090109672A1 (en) * 2007-10-25 2009-04-30 Foxsemicon Integrated Technology, Inc. Light emitting diode based surface lighting device

Also Published As

Publication number Publication date
GB0922739D0 (en) 2010-02-17

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)