WO2008052486A1 - Source lumineuse de surface permettant d'éclairer des installations - Google Patents

Source lumineuse de surface permettant d'éclairer des installations Download PDF

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Publication number
WO2008052486A1
WO2008052486A1 PCT/CN2007/071007 CN2007071007W WO2008052486A1 WO 2008052486 A1 WO2008052486 A1 WO 2008052486A1 CN 2007071007 W CN2007071007 W CN 2007071007W WO 2008052486 A1 WO2008052486 A1 WO 2008052486A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
light guide
guide plates
light source
parallel
Prior art date
Application number
PCT/CN2007/071007
Other languages
English (en)
Chinese (zh)
Inventor
Shaohua Ren
Original Assignee
Shaohua Ren
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 Shaohua Ren filed Critical Shaohua Ren
Publication of WO2008052486A1 publication Critical patent/WO2008052486A1/fr

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
    • G02B6/0066—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
    • G02B6/0066—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
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Definitions

  • the invention relates to a rushing light source for a lighting fixture composed of a plurality of light guide plates.
  • the invention relates to an innovative realization of an illumination surface light source formed by a light guide plate.
  • the intensity of the incident light on the inverted surface is very high.
  • the limited light guide plate has a problem of insufficient astigmatism within the light guide distance, that is, the incident light fails to be the first time. It is sufficiently scattered outside the light guide plate when passing through the light guide plate. This reduces the light guiding efficiency of the light guide plate.
  • the light guide surface light source with LED as the primary light source is used for dry illumination, there is a problem of insufficient illumination. This problem is caused by the divergence of the light emitted by the light-guided surface light source on the one hand, and the insufficient incident light intensity of the LED incident on the light guide plate at the permissible arrangement density of the package diameter of the LED.
  • the illumination can not be effectively improved by simply expanding the area of the light guide plate, and the volume thereof is also limited as a practical use of the illumination lamp.
  • the present invention innovatively employs multiple light guides to be parallel overlap, parallel staggered or non-parallel staggered.
  • the arrangement of the method, together with the corresponding reflector, can effectively improve the illumination of the LED light source and the light source within a small product volume.
  • a surface light source for a lighting fixture comprising a plurality of light guiding plates, comprising a plurality of light guiding plates, a plurality of light sources and a power source, wherein the plurality of light guiding plates are provided
  • the plurality of light sources are connected to the power source, and the plurality of light sources are disposed on the side surfaces of the plurality of light guide plates, and light is incident through the side surfaces thereof.
  • the plurality refers to two or more, wherein the plurality of light guides are arranged in parallel overlap, parallel staggered or non-parallel staggered arrangement, so that the emitted light of the plurality of light guide plates can overlap or converge to improve Illuminance
  • the surface light source further includes a reflective plate placed on one side of the light guide plate to form a surface light source with strong light on the other side of the light guide plate.
  • the reflecting pole face light guide plate "the surface has high reflectivity, the shape of the reflecting plate is plane, surface, ⁇ shape, curved shape, cylindrical surface > spherical surface or prism surface, and the reflection cooling may be single or multiple, the reflection plate may Is a whole or made up of multiple pieces
  • the invention adopts a plurality of light guide plates arranged in parallel overlap > parallel staggered or non-parallel arrangement, and then reflected by the reflective plate to make the light overlap or converge in front of the front surface of the light guide plate, thereby effectively improving the illumination of the light guide plate, especially the DED light guide plate. , making it more suitable for lighting purposes.
  • the parallel overlapping arrangement (see Figure 3) can fully scatter one incident light within a limited width of the light guide plate, which improves the description of the drawing.
  • Figure 1 is a schematic exploded view of the present invention
  • Figure 2 is a side elevational view of the embodiment of Figure 1;
  • Figure 3 is a side elevational view of another embodiment of the present invention.
  • Figure 1 is a schematic exploded view of the present invention. Shown in the figure is an implementation of the present invention in which two rectangular light guide plates are arranged in parallel in a staggered manner. The curved surface of the curved cylindrical surface is curved, and the backlight pattern is a line diagram, and each light guide plate is unilaterally inserted. Light
  • the present invention includes two light guide plates. 1, two light guide plates 11 are provided with light guides.
  • the pattern 12, the two light sources are composed of the LED group 13 and the strip PCB board 16 >
  • the LED group 13 receives light from the side of the light guide plate 1 , the curved surface of the curved cylindrical surface 14 and the power source 1.5.
  • the LED group 13 injects light from the two light guide sides to cause the two light guide plates to emit light to form a surface light source.
  • the light emitted by the two light guide plates to the curved reflecting surface is reflected, and is combined and concentrated in the illumination area outside the front surface of the light guide plate to realize the function of illumination.
  • the LED group 13 can be lighted on one side, side or side, and can be soldered by the PCB board 16 or directly attached to the light guide board.
  • the two light guide plates 11 can be formed into various shapes, and the light guide S case can be titanium or linear, and the shape and size of the two light guide plates can be different.
  • the LED group 13 can also be semi-coated to allow more light to enter the light guide from the side.
  • Figure 3 is a side elevational view of another embodiment of the present invention.
  • the embodiment shown in the figure is formed by arranging two light guide plates 11 in parallel in front and rear, and the light source is an LJED group 13, and light is incident from the two light guide plates U, and a curved surface of a 111-shaped cylindrical surface is used.
  • the backlight pattern is a line diagram 12.
  • the parallel overlapping placement method can sufficiently scatter the incident light outside the light guide plate within a limited light guiding distance, avoiding unnecessary refraction of the incident light in the light guiding pole, improving the light guiding efficiency of the light guiding plate and reducing the light guiding efficiency. Light root.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
  • Planar Illumination Modules (AREA)

Abstract

La présente invention concerne une source lumineuse de surface adaptées pour éclairer des installations qui comprend une pluralité de plaques de guidage de la lumière (11), une pluralité de sources lumineuses (13) et une alimentation en courant (15). Les plaques de guidage de la lumière sont pourvues d'un motif de guidage de la lumière (12) et les sources lumineuses (13) raccordées à l'alimentation en courant (15) sont disposées sur un côté des plaques de guidage de la lumière (11) de sorte à émettre la lumière vers le côté de celles-là. La pluralité de plaques de guidage de la lumière (11) comprennent également une plaque réfléchissante (14) et les sources lumineuses (13) sont composées de diodes électroluminescentes (LED).
PCT/CN2007/071007 2006-11-02 2007-11-02 Source lumineuse de surface permettant d'éclairer des installations WO2008052486A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN200610137966.5 2006-11-02
CN200610137966 2006-11-02
CN200710087070.5 2007-03-19
CNA2007100870705A CN101178155A (zh) 2006-11-02 2007-03-19 由多个导光板构成的用于照明灯具的面光源

Publications (1)

Publication Number Publication Date
WO2008052486A1 true WO2008052486A1 (fr) 2008-05-08

Family

ID=39343841

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2007/071007 WO2008052486A1 (fr) 2006-11-02 2007-11-02 Source lumineuse de surface permettant d'éclairer des installations

Country Status (2)

Country Link
CN (1) CN101178155A (fr)
WO (1) WO2008052486A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101793380B (zh) * 2009-02-04 2012-05-23 扬升照明股份有限公司 灯具
CN106647026B (zh) * 2016-12-16 2019-09-17 深圳市华星光电技术有限公司 一种背光组件

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5913594A (en) * 1997-02-25 1999-06-22 Iimura; Keiji Flat panel light source device and passive display device utilizing the light source device
CN2392981Y (zh) * 1999-10-28 2000-08-23 宋义 均匀高效的前光源
CN1403852A (zh) * 2001-09-06 2003-03-19 精工爱普生株式会社 导光装置、电光装置和电子设备
US20030184990A1 (en) * 2002-03-26 2003-10-02 Chia-Feng Lin Light-guiding plate module of high reliability
JP2005056711A (ja) * 2003-08-05 2005-03-03 Nippon Leiz Co Ltd 導光板ユニットならびに平面照明装置
JP2005310751A (ja) * 2004-03-24 2005-11-04 Matsushita Electric Ind Co Ltd 照明装置
US20060164862A1 (en) * 2005-01-24 2006-07-27 Au Optronics Corp. Backlight module for 3D display device and method for displaying 3D images utilizing the same
US20060171168A1 (en) * 2004-12-27 2006-08-03 Ming-Tsung Cheng Light guiding system
CN1841152A (zh) * 2005-04-01 2006-10-04 安捷伦科技有限公司 具有多个相邻交叠的光导板的发光装置
CN1975246A (zh) * 2006-11-02 2007-06-06 任少华 由多个导光板构成的用于照明的面光源

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5913594A (en) * 1997-02-25 1999-06-22 Iimura; Keiji Flat panel light source device and passive display device utilizing the light source device
CN2392981Y (zh) * 1999-10-28 2000-08-23 宋义 均匀高效的前光源
CN1403852A (zh) * 2001-09-06 2003-03-19 精工爱普生株式会社 导光装置、电光装置和电子设备
US20030184990A1 (en) * 2002-03-26 2003-10-02 Chia-Feng Lin Light-guiding plate module of high reliability
JP2005056711A (ja) * 2003-08-05 2005-03-03 Nippon Leiz Co Ltd 導光板ユニットならびに平面照明装置
JP2005310751A (ja) * 2004-03-24 2005-11-04 Matsushita Electric Ind Co Ltd 照明装置
US20060171168A1 (en) * 2004-12-27 2006-08-03 Ming-Tsung Cheng Light guiding system
US20060164862A1 (en) * 2005-01-24 2006-07-27 Au Optronics Corp. Backlight module for 3D display device and method for displaying 3D images utilizing the same
CN1841152A (zh) * 2005-04-01 2006-10-04 安捷伦科技有限公司 具有多个相邻交叠的光导板的发光装置
CN1975246A (zh) * 2006-11-02 2007-06-06 任少华 由多个导光板构成的用于照明的面光源

Also Published As

Publication number Publication date
CN101178155A (zh) 2008-05-14

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