CN202649505U - A colored light guide plate and a LED planar light source containing the same - Google Patents
A colored light guide plate and a LED planar light source containing the same Download PDFInfo
- Publication number
- CN202649505U CN202649505U CN2012202655589U CN201220265558U CN202649505U CN 202649505 U CN202649505 U CN 202649505U CN 2012202655589 U CN2012202655589 U CN 2012202655589U CN 201220265558 U CN201220265558 U CN 201220265558U CN 202649505 U CN202649505 U CN 202649505U
- Authority
- CN
- China
- Prior art keywords
- coloured
- light guide
- guide plate
- plate
- coloured 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
Links
- 238000000034 method Methods 0.000 claims abstract description 16
- 239000002245 particle Substances 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 40
- 239000004033 plastic Substances 0.000 claims description 33
- 229920003023 plastic Polymers 0.000 claims description 33
- 238000009792 diffusion process Methods 0.000 claims description 22
- 238000007639 printing Methods 0.000 claims description 22
- 239000003086 colorant Substances 0.000 claims description 20
- 210000004276 hyalin Anatomy 0.000 claims description 18
- 239000012528 membrane Substances 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 18
- 229920005989 resin Polymers 0.000 claims description 18
- 239000000463 material Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- -1 acryl Chemical group 0.000 description 3
- 230000011514 reflex Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
Images
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
- G02B6/0065—Manufacturing aspects; Material aspects
-
- 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
-
- 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]
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a colored light guide plate and a LED planar light source containing the same. The colored light guide plate is integrally formed by a colored euphotic layer and a light guide layer. The colored euphotic layer and the light guide layer are simultaneously co-extruded through double-layer coextrusion technology to once form the colored light guide plate. The LED planar light source comprises a reflecting plate, a LED luminous source, and the colored light guide plate. The colored light guide plate achieves the LED planar light source capable of emitting customized light with a required color according to requirement of applied occasion. When diffusing particles are involved in the colored euphotic layer, the colored euphotic layer is provided with a light diffusing function of a conventional diffusing plate. Because of simple structure and simple material forming process and assembling process, a purpose of cost reduction is achieved.
Description
Technical field
The utility model belongs to photoelectric field, be specifically related to a kind of can be used for throwing light on or the improvement structure of the light guide plate of display backlight module and use this improvement after the LED planar light source that line source is converted into area source of light guide plate.
Background technology
The be square parts of plane and the inside of the LED flat lamp of prior art also all are plane, mainly be successively reflecting plate, light guide plate and the diffuser plate of mounting plane shape in a rectangular base, and in base and at the side edge mounted LED lamp bar of light guide plate, light reaches the purpose that improves uniformity coefficient through Multi reflection under the acting in conjunction of reflecting plate and light guide plate, and effectively prevents dazzle by diffuser plate.By said structure and principle as can be known, the core of this class LED flat lamp is that the effect by light guide plate is converted into area source with line source, and prevent dazzle by diffuser plate, the light guide plate of prior art is to utilize the acrylic of optical grade (PMMA) sheet material, then with having high reflectivity and the printing ink of extinction not, light guiding points in the printing of the acryl plates bottom surface of optical grade, the light that utilizes the optical grade acryl plates to draw to send from lamp is in the stop on optical grade acryl plates surface, when light is mapped to each light guiding points, reflected light can toward all angles diffusion, then destroy conditioned reflex and penetrate by light guide plate is positive.By various densitys, light guiding points not of uniform size, can make the light guide plate uniformly light-emitting.The light guide plate of prior art and diffuser plate are two blocks of separate sheet materials processing separately separately, are respectively by the injection machine extrusion molding.As from the foregoing, the material layer that adopts in the structure of the LED flat lamp of prior art is more, processing is loaded down with trivial details, therefore makes the cost of whole LED flat lamp higher.And the LED flat lamp of prior art send wide mostly be white, color is relatively more dull, the scope of application is wideless.
The utility model content
In order to overcome defects, the LED planar light source that the utility model provides a kind of coloured light guide plate and had this coloured light guide plate, coloured light guide plate of the present utility model has realized customizing the LED planar light source that can send required color light according to the use occasion demand, and because simple in structure, forming materials technique and assembling procedure are simple, and then reach the purpose that reduces cost.
The utility model for the technical scheme that solves its technical matters and adopt is:
A kind of coloured light guide plate is made of optical waveguide layer and coloured photic zone, and it is described coloured light guide plate that described optical waveguide layer and described coloured photic zone go out the technique one-shot forming by double-layer coextrusion.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
The one side that described coloured light guide plate has optical waveguide layer is the back side and has coloured euphotic one side for positive that some light guiding points can be arranged at the back up of described coloured light guide plate.
The one side that described coloured light guide plate has an optical waveguide layer is the back side and has coloured euphotic one side for positive, and also can be provided with hyaline membrane, described hyaline membrane is printed with some light guiding points, and described hyaline membrane is attached at the back side of described coloured light guide plate.
A kind of LED planar light source with coloured light guide plate, comprise reflecting plate, coloured light guide plate and LED light emitting source, described coloured light guide plate is made of optical waveguide layer and coloured photic zone, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, described reflector plate has two relative surfaces and is respectively reflecting surface and the back side, described coloured light guide plate is superimposed on the side that described reflecting plate has reflecting surface, described coloured light guide plate one side relative with described reflecting plate is the back side, have some light guiding points on the back side of described coloured light guide plate or the reflecting surface of described reflecting plate, described LED light emitting source is positioned at the side edge of described optical waveguide layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
Described some light guiding points can be printed in the back side of described coloured light guide plate.
Also can be provided with hyaline membrane, described some light guiding points are printed in described hyaline membrane, and described hyaline membrane is attached at the back side of described coloured light guide plate.
Described some light guiding points can also be printed in the reflecting surface of described reflecting plate.
Also be provided with base plate and frame, described base plate is superimposed on the back side of described reflecting plate, and all in side edge was fixed in described frame, described LED light emitting source was arranged in the described frame for described base plate, reflecting plate and coloured light guide plate.
When the intensity of described reflecting plate is suitable, described base plate can be set.
The beneficial effects of the utility model are: it is the coloured light guide plate that is made of coloured photic zone and optical waveguide layer one with optical waveguide layer and simultaneously coextrusion of coloured photic zone one-shot forming that the utility model goes out technique by double-layer coextrusion, and coloured light guide plate of the present utility model has realized customizing the LED planar light source that can send required color light according to the use occasion demand; When this coloured photic zone contained diffusion particle, this coloured photic zone also had the light diffusion function of conventional diffusion plate; And because simple in structure, forming materials technique and assembling procedure are simple, and then reach the purpose that reduces cost.
Description of drawings
Fig. 1 is coloured light conducting plate structure synoptic diagram of the utility model embodiment 1;
Fig. 2 is coloured light conducting plate structure synoptic diagram of the utility model embodiment 2;
Fig. 3 is the LED flat light source structure synoptic diagram with coloured light guide plate of the utility model embodiment 3;
Fig. 4 is the LED flat light source structure synoptic diagram with coloured light guide plate of the utility model embodiment 4;
Fig. 5 is the LED flat light source structure synoptic diagram with coloured light guide plate of the utility model embodiment 5.
Embodiment
Embodiment 1: a kind of coloured light guide plate 100, consisted of by optical waveguide layer 11 and coloured photic zone 12, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, specifically can produce by equipment such as two-layer co-extruding extruders.
The utility model namely is to reach the purpose that makes light be changed into required color by white by this coloured photic zone.
Described optical waveguide layer is clarity plastic layer, and described coloured photic zone is clarity plastic layer or opaque plastics layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.This colorant can be printing ink, pigment or toner etc.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
The one side that described coloured light guide plate has optical waveguide layer is the back side and has coloured euphotic one side for positive that the back up of described coloured light guide plate has some light guiding points 13.
Embodiment 2: a kind of coloured light guide plate 200, consisted of by optical waveguide layer 21 and coloured photic zone 22, and it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion.
The utility model namely is to reach the purpose that makes light be changed into required color by white by this coloured photic zone.
Described optical waveguide layer is clarity plastic layer, and described coloured photic zone is clarity plastic layer or opaque plastics layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.This colorant can be printing ink, pigment or toner etc.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
The one side that described coloured light guide plate has an optical waveguide layer is the back side and has coloured euphotic one side for positive, and be provided with hyaline membrane 23, described hyaline membrane is printed with some light guiding points 231, and described hyaline membrane is attached at the back side of described coloured light guide plate.
Embodiment 3: a kind of LED planar light source 300 with coloured light guide plate, comprise reflecting plate 31, coloured light guide plate 32 and LED light emitting source 33, described coloured light guide plate is made of optical waveguide layer 321 and coloured photic zone 322, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, described reflector plate has two relative surfaces and is respectively reflecting surface and the back side, described coloured light guide plate is superimposed on the side that described reflecting plate has reflecting surface, described coloured light guide plate one side relative with described reflecting plate is the back side, the back up of described coloured light guide plate has some light guiding points 323, and described LED light emitting source is positioned at the side edge of described optical waveguide layer.
Described optical waveguide layer is clarity plastic layer, and described coloured photic zone is clarity plastic layer or opaque plastics layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
Also be provided with base plate 34 and frame 35, described base plate is superimposed on the back side of described reflecting plate, and all in side edge was fixed in described frame, described LED light emitting source was arranged in the described frame for described base plate, reflecting plate and coloured light guide plate.Certainly, also described base plate can be set, the intensity of visual reflex plate and deciding can be omitted described base plate when the intensity of reflecting plate is suitable.
Preferably, except the medial surface that is provided with the LED light emitting source, all the other inboards all are provided with reflector plate in the inboard of described frame, and reflector plate prevents that for increasing the service efficiency of light light from being absorbed by frame.
Embodiment 4: a kind of LED planar light source 400 with coloured light guide plate, comprise reflecting plate 41, coloured light guide plate 42 and LED light emitting source 43, described coloured light guide plate is made of optical waveguide layer 421 and coloured photic zone 422, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, described reflector plate has two relative surfaces and is respectively reflecting surface and the back side, described coloured light guide plate is superimposed on the side that described reflecting plate has reflecting surface, described LED light emitting source is positioned at the side edge of described optical waveguide layer, described coloured light guide plate one side relative with described reflecting plate is the back side, be provided with hyaline membrane 423, described hyaline membrane is printed with some light guiding points 4231, and described hyaline membrane is attached at the back side of described coloured light guide plate.
Described optical waveguide layer is clarity plastic layer, and described coloured photic zone is clarity plastic layer or opaque plastics layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
Also be provided with frame 45, all in side edge was fixed in described frame, described LED light emitting source was arranged in the described frame for described reflecting plate and coloured light guide plate.When the intensity of reflecting plate was suitable, present embodiment did not arrange base plate.
Preferably, except the medial surface that is provided with the LED light emitting source, all the other inboards all are provided with reflector plate in the inboard of described frame, and reflector plate prevents that for increasing the service efficiency of light light from being absorbed by frame.
Embodiment 5: a kind of LED planar light source 500 with coloured light guide plate, comprise reflecting plate 51, coloured light guide plate 52 and LED light emitting source 53, described coloured light guide plate is made of optical waveguide layer 521 and coloured photic zone 522, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, described reflector plate has two relative surfaces and is respectively reflecting surface and the back side, described coloured light guide plate is superimposed on the side that described reflecting plate has reflecting surface, described LED light emitting source is positioned at the side edge of described optical waveguide layer, is printed with some light guiding points 511 on the reflecting surface of described reflecting plate 51.
Described optical waveguide layer is clarity plastic layer, and described coloured photic zone is clarity plastic layer or opaque plastics layer.
Described coloured photic zone can be the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
Described coloured photic zone also can be the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
Also be provided with base plate 54 and frame 55, described base plate is superimposed on the back side of described reflecting plate, and all in side edge was fixed in described frame, described LED light emitting source was arranged in the described frame for described base plate, reflecting plate and coloured light guide plate.Certainly, also described base plate can be set, the intensity of visual reflex plate and deciding can be omitted described base plate when the intensity of reflecting plate is suitable.
Preferably, except the medial surface that is provided with the LED light emitting source, all the other inboards all are provided with reflector plate in the inboard of described frame, and reflector plate prevents that for increasing the service efficiency of light light from being absorbed by frame.
Above-described embodiment only is illustrative the utility model principle and effect thereof, but not is used for restriction the utility model.Rights protection scope of the present utility model should be listed such as claims.
Claims (12)
1. coloured light guide plate, it is characterized in that: be made of optical waveguide layer and coloured photic zone, it is described coloured light guide plate that described optical waveguide layer and described coloured photic zone go out the technique one-shot forming by double-layer coextrusion.
2. coloured light guide plate as claimed in claim 1 is characterized in that: described coloured photic zone is the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
3. coloured light guide plate as claimed in claim 1 is characterized in that: described coloured photic zone is the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
4. coloured light guide plate as claimed in claim 2 or claim 3, it is characterized in that: the one side that described coloured light guide plate has optical waveguide layer is the back side and has coloured euphotic one side for positive that the back up of described coloured light guide plate has some light guiding points.
5. coloured light guide plate as claimed in claim 2 or claim 3, it is characterized in that: the one side that described coloured light guide plate has optical waveguide layer is the back side and has coloured euphotic one side for positive, be provided with hyaline membrane, described hyaline membrane is printed with some light guiding points, and described hyaline membrane is attached at the back side of described coloured light guide plate.
6. LED planar light source with coloured light guide plate as claimed in claim 1, it is characterized in that: comprise reflecting plate, coloured light guide plate and LED light emitting source, described coloured light guide plate is made of optical waveguide layer and coloured photic zone, it is described coloured light guide plate that described optical waveguide layer and coloured photic zone go out the technique one-shot forming by double-layer coextrusion, described reflector plate has two relative surfaces and is respectively reflecting surface and the back side, described coloured light guide plate is superimposed on the side that described reflecting plate has reflecting surface, described coloured light guide plate one side relative with described reflecting plate is the back side, have some light guiding points on the back side of described coloured light guide plate or the reflecting surface of described reflecting plate, described LED light emitting source is positioned at the side edge of described optical waveguide layer.
7. the LED planar light source with coloured light guide plate as claimed in claim 6 is characterized in that: described coloured photic zone is the plastic layer of coloured printing opacity of being made of the resin that is dispersed with colorant.
8. the LED planar light source with coloured light guide plate as claimed in claim 6 is characterized in that: described coloured photic zone is the plastic layer of the coloured printing opacity with light diffusion function that is made of the resin that is dispersed with colorant and diffusion particle.
9. such as claim 7 or 8 described LED planar light sources with coloured light guide plate, it is characterized in that: described some light guiding points are printed in the back side of coloured light guide plate.
10. such as claim 7 or 8 described LED planar light sources with coloured light guide plate, it is characterized in that: be provided with hyaline membrane, described some light guiding points are printed in described hyaline membrane, and described hyaline membrane is attached at the back side of described coloured light guide plate.
11. such as claim 7 or 8 described LED planar light sources with coloured light guide plate, it is characterized in that: described some light guiding points are printed in the reflecting surface of reflecting plate.
12. the LED planar light source with coloured light guide plate as claimed in claim 6, it is characterized in that: also be provided with base plate and frame, described base plate is superimposed on the back side of described reflecting plate, all in side edge was fixed in described frame, described LED light emitting source was arranged in the described frame for described base plate, reflecting plate and coloured light guide plate.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202655589U CN202649505U (en) | 2012-06-07 | 2012-06-07 | A colored light guide plate and a LED planar light source containing the same |
| TW101214780U TWM441835U (en) | 2012-06-07 | 2012-07-31 | Color light guide plate and LED planar light source with the color light guide plate |
| KR2020120006858U KR20130007209U (en) | 2012-06-07 | 2012-07-31 | Colored light guide plate and led flat light source with it |
| JP2012005198U JP3180852U (en) | 2012-06-07 | 2012-08-24 | LED light source having color light guide plate and color light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202655589U CN202649505U (en) | 2012-06-07 | 2012-06-07 | A colored light guide plate and a LED planar light source containing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649505U true CN202649505U (en) | 2013-01-02 |
Family
ID=47418593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202655589U Expired - Lifetime CN202649505U (en) | 2012-06-07 | 2012-06-07 | A colored light guide plate and a LED planar light source containing the same |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP3180852U (en) |
| KR (1) | KR20130007209U (en) |
| CN (1) | CN202649505U (en) |
| TW (1) | TWM441835U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707369A (en) * | 2012-06-07 | 2012-10-03 | 昆山市诚泰电气股份有限公司 | Colored light guide plate and LED (Light Emitting Diode) plane light source provided with colored light guide plate |
| CN103293591A (en) * | 2013-06-20 | 2013-09-11 | 昆山市诚泰电气股份有限公司 | Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same |
| CN103604076A (en) * | 2013-12-06 | 2014-02-26 | 昆山市诚泰电气股份有限公司 | Easily mounted and dismounted LED (Light-emitting Diode) flat light |
| CN104315421A (en) * | 2014-11-07 | 2015-01-28 | 昆山市诚泰电气股份有限公司 | Light source plug type plane lamp |
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6444220B2 (en) * | 2015-02-27 | 2018-12-26 | 興和株式会社 | Lighting device |
-
2012
- 2012-06-07 CN CN2012202655589U patent/CN202649505U/en not_active Expired - Lifetime
- 2012-07-31 KR KR2020120006858U patent/KR20130007209U/en not_active Ceased
- 2012-07-31 TW TW101214780U patent/TWM441835U/en not_active IP Right Cessation
- 2012-08-24 JP JP2012005198U patent/JP3180852U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102707369A (en) * | 2012-06-07 | 2012-10-03 | 昆山市诚泰电气股份有限公司 | Colored light guide plate and LED (Light Emitting Diode) plane light source provided with colored light guide plate |
| CN103293591A (en) * | 2013-06-20 | 2013-09-11 | 昆山市诚泰电气股份有限公司 | Multi-functional integrated composite light guide plate and light-emitting diode (LED) plane light source with same |
| CN103604076A (en) * | 2013-12-06 | 2014-02-26 | 昆山市诚泰电气股份有限公司 | Easily mounted and dismounted LED (Light-emitting Diode) flat light |
| CN104315421A (en) * | 2014-11-07 | 2015-01-28 | 昆山市诚泰电气股份有限公司 | Light source plug type plane lamp |
| US10900657B2 (en) | 2017-08-01 | 2021-01-26 | Technical Consumer Products, Inc. | Edge-lit light fixture having capabilities for a secondary service |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3180852U (en) | 2013-01-17 |
| TWM441835U (en) | 2012-11-21 |
| KR20130007209U (en) | 2013-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
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| CX01 | Expiry of patent term |