CN103256499A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN103256499A CN103256499A CN2013100706852A CN201310070685A CN103256499A CN 103256499 A CN103256499 A CN 103256499A CN 2013100706852 A CN2013100706852 A CN 2013100706852A CN 201310070685 A CN201310070685 A CN 201310070685A CN 103256499 A CN103256499 A CN 103256499A
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- axostylus axostyle
- lighting device
- lgp
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- 229920000139 polyethylene terephthalate Polymers 0.000 description 6
- 239000005020 polyethylene terephthalate Substances 0.000 description 6
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
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- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- 239000004713 Cyclic olefin copolymer Substances 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000012994 photoredox catalyst Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
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- 229920001577 copolymer Polymers 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- Planar Illumination Modules (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention provides a lighting device, which comprises a light source, a light guide plate, a shaft rod and a flexible reflector plate. The light guide plate is positioned at one side of the light source and is provided with a first surface, a second surface opposite to the first surface, a first side and a second side opposite to the first side. The shaft lever is positioned at the first side of the light guide plate. The flexible reflector has a fixed end and a movable end, and the fixed end is fixed on the shaft rod. The lighting device has a first state and a second state, in the first state, the fixed end of the flexible reflecting sheet is fixed on the shaft rod, the movable end is adjacent to the first side of the light guide plate, and the rest part of the flexible reflecting sheet is wound on the shaft rod; in the second state, the flexible reflective sheet is spread on the second surface of the light guide plate, and the movable end is adjacent to the second side of the light guide plate.
Description
Technical field
The present invention is about a kind of lighting device, particularly a kind of lighting device that has bendable reflector plate and have the luminous and double-side of single face concurrently.
Background technology
At present general side entering type light source module also can be applicable to lighting use and for example reads auxiliary lamp or flat lamp etc. except the backlight as display panels.Be example to read auxiliary lamp, all can bright dipping because LGP is two-sided, and reach the demand of perspective.If as flat lamp, then can below LGP, add reflector plate usually, to promote the luminous briliancy of single face.Foregoing light source module has the form of the luminous or double-side of single face, but because of demand characteristics is different can't be interchangeable.Comparatively speaking, on the practical application aspect, will be limited to, if can promote the light source module application, that is, the practicality of lifting light source module.
Summary of the invention
The invention provides a kind of lighting device, it is a kind of lighting device that has bendable reflector plate and have the luminous and double-side of single face simultaneously concurrently.
The present invention proposes a kind of lighting device, and it comprises light source, LGP, axostylus axostyle and bendable reflector plate.LGP is positioned at a side of light source, its have first surface, with first surface opposing second surface, first side and second side relative with first side.Axostylus axostyle is positioned at first side of LGP.Bendable reflector plate has stiff end and movable end, and stiff end is fixed on the axostylus axostyle.Lighting device has first state and second state, and under first state, the stiff end of bendable reflector plate is fixed on the axostylus axostyle, and movable end is adjacent to first side of LGP, and the remainder of bendable reflector plate furls on axostylus axostyle; Under second state, bendable reflector plate launches and is adjacent to the second surface of LGP, and movable end is adjacent to second side of LGP.
Wherein, this light source comprises a light emitting diode or a cathode fluorescent tube.
Wherein, this light source is positioned at this first side of this LGP.
Wherein, more comprise on this movable end that a fixation kit is arranged at this bendable reflector plate.
Wherein, more comprise a framework, be arranged at this first side of this LGP, wherein this light source is positioned at this framework.
Wherein, this axostylus axostyle is arranged in this framework.
The present invention proposes another kind of lighting device, and it comprises first axostylus axostyle, bendable reflector plate, second axostylus axostyle, type flexible leaded light plate and light source.Bendable reflector plate has first stiff end and first movable end, and first stiff end is fixed on first axostylus axostyle.Second axostylus axostyle is adjacent to the first axostylus axostyle setting.The type flexible leaded light plate has second stiff end and second movable end, and second stiff end is fixed on second axostylus axostyle.Light source is positioned on second movable end of type flexible leaded light plate.Lighting device has one first state, one second state and a third state, and under first state, bendable reflector plate furls on first axostylus axostyle, and the type flexible leaded light coiled sheet closes on second axostylus axostyle; Under second state, bendable reflector plate furls on first axostylus axostyle, and type flexible leaded light plate development and second movable end and light source are away from second axostylus axostyle; And under the third state, type flexible leaded light plate development and second movable end and light source are positioned at away from second axostylus axostyle, and bendable reflector plate is deployed under the type flexible leaded light plate, and first movable end is away from first axostylus axostyle.
Wherein, this light source comprises a light emitting diode or a cathode fluorescent tube.
Wherein, more comprise on this first movable end that a fixation kit is arranged at this bendable reflector plate.
Wherein, more comprise a reflector and be positioned at this second movable end, this light source is arranged in this reflector.
Wherein, this lighting device more comprises a framework, and this first axostylus axostyle and this second axostylus axostyle are arranged in this framework.
Lighting device of the present invention utilizes the combination of LGP and bendable reflector plate and type flexible leaded light plate and bendable reflector plate, makes lighting device have the characteristic of the luminous and double-side of single face concurrently, also promotes the range of application of lighting device.
Description of drawings
Fig. 1 is the top view of the lighting device of first embodiment of the invention.
Fig. 2 is the profile of lighting device under first state of first embodiment of the invention.
Fig. 3 is the profile of lighting device under second state of first embodiment of the invention.
Fig. 4 is the profile of lighting device under first state of second embodiment of the invention.
Fig. 5 is the profile of lighting device under second state of second embodiment of the invention.
Fig. 6 is the profile of lighting device under the third state of second embodiment of the invention.
Wherein, Reference numeral:
L light source LGP LGP
Lo bright dipping Lw bang path
Lds double-side Lss single face is luminous
10 lighting devices, 20 lighting devices
110 axostylus axostyles, 120 bendable reflector plates
121 stiff ends, 122 movable ends
130 frameworks, 140 fixation kits
142 by magnetic absorption member 141 magnetic absorption member
143 elastic joint part 210a, first axostylus axostyle
210b second axostylus axostyle 220 bendable reflector plates
221 first stiff ends, 222 first movable ends
230 frameworks, 240 fixation kits
250 type flexible leaded light plates, 251 second stiff ends
252 second movable ends, 260 reflectors
S1 first surface S2 second surface
The D1 first side D2 second side
The specific embodiment
For making those skilled in the art can further understand the present invention, hereinafter the spy enumerates preferred embodiment of the present invention, and cooperate appended graphic, describe in detail constitution content of the present invention and the effect desiring to reach.
Fig. 1 is the top view of the lighting device of first embodiment of the invention, and Fig. 2 is the profile of lighting device under first state of first embodiment of the invention, and Fig. 3 is the profile of lighting device under second state of first embodiment of the invention.Please consult Fig. 1, Fig. 2 and Fig. 3 simultaneously, in the present embodiment, lighting device 10 comprises LGP LGP, light source L and framework 130.The corresponding upper surface of LGP LGP and lower surface are defined as first surface S1 and second surface S2, and the corresponding left side of LGP LGP and right side are defined as the first side D1 and the second side D2.The material of LGP LGP can be for example polymethyl methacrylate (polymethyl methacrylate, PMMA), Merlon (polycarbonate, PC), cyclic olefine copolymer (cyclic olefin copolymer, COC) and polystyrene (polystyrene, material such as PS), but be not limited thereto.Light source L is in close proximity to the first side D1 of LGP LGP, and in order to providing light Lo to LGP LGP, and light source L can be for example light emitting diode (LED) or cathode fluorescent tube (CCFL), but is not limited thereto.In the present embodiment, lighting device 10 also comprises framework 130, it is the frame structure of hollow, be arranged at the first side D1 of LGP LGP, framework 130 has slotted eye (indicate) is fixed in wherein the first side D1 of LGP LGP, and light source L and axostylus axostyle 110 all be arranged in the framework 130, and light source L is between LGP LGP and axostylus axostyle 110, but the present invention is not limited to this, and for example light source L also can be positioned at the second side D2 of LGP LGP.In the present embodiment, lighting device 10 also optionally comprises the reflector (not shown) and is arranged in the framework 130 and is positioned at light source L with respect to the opposite side of LGP LGP, concentrates on the first side D1 of LGP LGP in order to the light Lo that light source L is provided.In the present embodiment, lighting device 10 comprises rollable bendable reflector plate 120 in addition, and it has stiff end 121 and movable end 122, and wherein stiff end 121 is fixed on the axostylus axostyle 110 in the framework 130.Bendable reflector plate 120 can be white reflection sheet, silver-colored reflector plate or multilayer film reflector plate, and material for example can be PET, and (polyethylene terephthalate PET) waits material to add reflective particle such as titanium dioxide (TiO
2) or reflectance coating as silver (Ag) etc., but be not limited thereto.
In the present embodiment, lighting device 10 also comprises and fixation kit 140 is set on the movable end 122 of bendable reflector plate 120.Fixation kit 140 comprises by magnetic absorption member 142, magnetic absorption member 141 and elastic joint part 143, be permeability magnetic material (for example metal) by the material of magnetic absorption member 142, and the material of magnetic absorption member 141 is magnet, and wherein fixation kit 140 also can comprise elements such as devil's felt or hook, but not as limit.Be attached on by magnetic absorption member 142 on the movable end 122 of bendable reflector plate 120,141 of magnetic absorption member see through magnetic force and are adsorbed on by on the magnetic absorption member 142, and will be linked together by the end of magnetic absorption member 142 with magnetic absorption member 141 by elastic joint part 143.
In the present embodiment, lighting device 10 has first state and second state.As shown in Figure 2, under first state, the stiff end of bendable reflector plate 120 is fixed on the axostylus axostyle 110, and movable end 122 to be positioned at framework 130 outer and be adjacent to the first side D1 of LGP LGP and the junction of second surface S2, the remainder of bendable reflector plate 120 furls on axostylus axostyle 110.Under first state, lighting device 10 can present double-side Lds, do not arrange bendable reflector plate 120 under the LGP LGP this moment, the light Lo that light source L produces enters LGP LGP via the first side D1 of LGP LGP, and light Lo can produce double-side Lds by first surface S1 and the second surface S2 of bang path Lw ejaculation LGP LGP in LGP LGP.As shown in Figure 3, under second state, bendable reflector plate 120 is deployed in the second surface S2 below of LGP LGP, movable end 122 is positioned at the second side D2 of LGP LGP, and the magnetic absorption member 141 on the movable end 122 is arranged on the end of second surface S2 of the contiguous LGP LGP second side D2, be arranged at respect to magnetic absorption member 141 by 142 of magnetic absorption member on the end of first surface S1 of LGP LGP, produced magnetic attraction by magnetic absorption member 142 and magnetic absorption member 141 on the bendable reflector plate 120 this moment, and bendable reflector plate 120 is fixed in the second side D2 of LGP LGP.Under second state, lighting device 10 can present the luminous Lss of single face, because this moment, bendable reflector plate 120 was deployed in the second surface S2 below of LGP LGP, the light Lo that light source L produces is from the first side D1 light inlet of LGP LGP, and light Lo meeting in LGP LGP is advanced via bang path Lw and reflexed to the first surface S1 of LGP LGP and produce the luminous Lss of single face by bendable reflector plate 120.In the present embodiment, axostylus axostyle 110 can be manual axostylus axostyle or automatic axostylus axostyle, but is not limited thereto.Manual axostylus axostyle utilizes manually, and rotating shaft rod is wound in bendable reflector plate 120 on the axostylus axostyle 110 or launches.Automatically axostylus axostyle utilizes motor switch element (not shown), expansion that the power drives switch controls bendable reflector plate 120 is provided and furls with motor, but be not limited thereto.
Fig. 4 is the profile of lighting device under first state of second embodiment of the invention, and Fig. 5 is the profile of lighting device under second state of second embodiment of the invention, and Fig. 6 is the profile of lighting device under the third state of second embodiment of the invention.Please consult Fig. 4, Fig. 5 and Fig. 6 simultaneously, comprise rollable bendable reflector plate 220, rollable type flexible leaded light plate 250 and framework 230 simultaneously at the lighting device 20 of present embodiment.Bendable reflector plate 220 has first stiff end 221 and first movable end 222, and first stiff end 221 is fixed on the first axostylus axostyle 210a.Type flexible leaded light plate 250 has second stiff end 251 and second movable end, 252, the second stiff ends 251 are fixed on the second axostylus axostyle 210b, and wherein the first axostylus axostyle 210a and the second axostylus axostyle 210b are arranged in the framework 230.The material of type flexible leaded light plate 250 for example can be Merlon (polycarbonate, PC), (polyethylene terephthalate PET) waits the soft plastic film, but is not limited thereto PET.Light source L is arranged on second movable end 252 of type flexible leaded light plate 250, and light source L can be for example light emitting diode (LED) or cathode fluorescent tube (CCFL), but is not limited thereto.In the present embodiment, lighting device 20 also comprises reflector 260, the material of reflector 260 is permeability magnetic material (for example metal), and reflector 260 also is arranged on second movable end 252 of type flexible leaded light plate 250, reflector 260 is used for seizing on both sides by the arms second movable end 252 of light source L and type flexible leaded light plate 250, and reflection from the part light of light source L to type flexible leaded light plate 250, but be not limited thereto.
In the present embodiment, lighting device 20 more comprises fixation kit 240, is arranged on first movable end 222 of bendable reflector plate 220, and the material of fixation kit 240 can be for example magnet, and fixation kit 240 is attached on first movable end 222 of bendable reflector plate 220, but is not limited thereto.At this moment, the fixation kit 240 on first movable end 222 of bendable reflector plate 220 also produces magnetic attraction with reflector 260 and is fixed under the reflector 260.Fixation kit 240 also can be devil's felt or hook etc., is example with devil's felt, and devil's felt can be set in reflector 260 belows, is fixed under the reflector 260 with first movable end 222 of fixation kit 240 with bendable reflector plate 220, but is not limited thereto.
In the present embodiment, lighting device 20 has first state, second state and the third state.As shown in Figure 4, under first state, first movable end 222 of bendable reflector plate 220 is adjacent to framework 230 and is positioned at outside the framework 230, and second movable end 252 of type flexible leaded light plate 250 also is adjacent to framework 230 and is positioned at outside the framework 230, also is that bendable reflector plate 220 and type flexible leaded light plate 250 furl respectively on the first axostylus axostyle 210a and the second axostylus axostyle 210b.Under first state, lighting device 20 light sources are closed and are presented non-luminous state, because type flexible leaded light plate 250 and the bendable reflector plate 220 of this moment all furl in framework 230.As shown in Figure 5, under second state, first movable end 222 of bendable reflector plate 220 is adjacent to framework 230, and 250 expansion of type flexible leaded light plate and second movable end 252 and light source L are away from framework 230.Under second state, lighting device 20 presents double-side Lds, because this moment, the type flexible leaded light plate did not arrange reflector plate 250 times, the light source L that is positioned at a side of type flexible leaded light plate 250 produces light Lo and enters type flexible leaded light plate 250, and light Lo meeting in type flexible leaded light plate 250 produces double-side Lds by upper surface and the lower surface that bang path Lw penetrates type flexible leaded light plate 250.As shown in Figure 6, under the third state, 250 expansion of type flexible leaded light plate and second movable end 252 and light source L are away from framework 230, and bendable reflector plate 220 also is deployed under the type flexible leaded light plate 250, and first movable end 221 is away from framework 230, and is fixed on the reflector 260 of second movable end 252.Under the third state, lighting device 20 presents the luminous Lss of single face, because this moment, bendable reflector plate 220 was deployed under the type flexible leaded light plate 250, the light source L that is positioned at a side of type flexible leaded light plate 250 produces light Lo, and light Lo meeting in type flexible leaded light plate 250 is advanced via bang path Lw and reflexed to the upper surface of type flexible leaded light plate 250 and produce the luminous Lss of single face by bendable reflector plate 220.In the present embodiment, the first axostylus axostyle 210a and the second axostylus axostyle 210b can be manual axostylus axostyle or automatic axostylus axostyle, but are not limited thereto.Manual axostylus axostyle utilizes manually, and rotating shaft rod is wound in bendable reflector plate 220 and type flexible leaded light plate 250 on the first axostylus axostyle 210a and the second axostylus axostyle 210b respectively or launches.Automatically axostylus axostyle is arranged at motor switch element (not shown) on the first axostylus axostyle 210a and the second axostylus axostyle 210b, expansion that the power drives switch controls bendable reflector plate 220 and type flexible leaded light plate 250 is provided and furls with motor, but be not limited thereto.
As described above, the first embodiment of the present invention and second embodiment utilize the combination of LGP and bendable reflector plate and type flexible leaded light plate and bendable reflector plate respectively, make lighting device have the characteristic of the luminous and double-side of single face concurrently, also promote the range of application of lighting device.For example, the lighting device of first embodiment of the invention is arranged at the skylight on roof, during daytime, under first state of lighting device and light source close, the light that utilizes sunshine provides indoor enough light by the refraction of LGP; During night, under first state of lighting device and light source open, utilize the luminous lighting device of single face that the light of room lighting is provided, but be not limited thereto.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (11)
1. a lighting device is characterized in that, comprises:
One light source;
One LGP is arranged at a side of this light source, and wherein this LGP has a first surface, a second surface, one first side and with this first side relative one second side relative with this first surface;
One axostylus axostyle is arranged at this first side of this LGP; And
One bendable reflector plate has a stiff end and a movable end, and this stiff end is fixed on this axostylus axostyle;
Wherein, this lighting device has one first state and one second state, and under this first state, this stiff end of this bendable reflector plate is fixed on this axostylus axostyle, this movable end is adjacent to this first side of this LGP, and the remainder of this bendable reflector plate furls on this axostylus axostyle; And under this second state, this bendable reflector plate launches and is adjacent to this second surface of this LGP, and this movable end is adjacent to this second side of this LGP.
2. lighting device according to claim 1 is characterized in that, this light source comprises a light emitting diode or a cathode fluorescent tube.
3. lighting device according to claim 1 is characterized in that, this light source is positioned at this first side of this LGP.
4. lighting device according to claim 1 is characterized in that, more comprises on this movable end that a fixation kit is arranged at this bendable reflector plate.
5. lighting device according to claim 1 is characterized in that, more comprises a framework, is arranged at this first side of this LGP, and wherein this light source is positioned at this framework.
6. lighting device according to claim 5 is characterized in that, this axostylus axostyle is arranged in this framework.
7. a lighting device is characterized in that, comprises:
One first axostylus axostyle;
One bendable reflector plate has one first stiff end and one first movable end, and wherein this first stiff end is fixed on this first axostylus axostyle;
One second axostylus axostyle is adjacent to this first axostylus axostyle setting;
One type flexible leaded light plate has one second stiff end and one second movable end, and wherein this second stiff end is fixed on this second axostylus axostyle; And
One light source is arranged on this second movable end of this type flexible leaded light plate;
Wherein, this lighting device has one first state, one second state and a third state, and under this first state, this bendable reflector plate furls on this first axostylus axostyle, and this type flexible leaded light coiled sheet closes on this second axostylus axostyle; Under this second state, this bendable reflector plate furls on this first axostylus axostyle, and this type flexible leaded light plate development and this second movable end and this light source are away from this second axostylus axostyle; And under this third state, this type flexible leaded light plate development and this second movable end and this light source are away from this second axostylus axostyle, and this bendable reflector plate is deployed under this type flexible leaded light plate, and this first movable end is away from this first axostylus axostyle.
8. lighting device according to claim 7 is characterized in that, this light source comprises a light emitting diode or a cathode fluorescent tube.
9. lighting device according to claim 7 is characterized in that, more comprises on this first movable end that a fixation kit is arranged at this bendable reflector plate.
10. lighting device according to claim 7 is characterized in that, more comprises a reflector and is positioned at this second movable end, and this light source is arranged in this reflector.
11. lighting device according to claim 10 is characterized in that, this lighting device more comprises a framework, and this first axostylus axostyle and this second axostylus axostyle are arranged in this framework.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102100881A TWI468625B (en) | 2013-01-10 | 2013-01-10 | Lighting device |
| TW102100881 | 2013-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256499A true CN103256499A (en) | 2013-08-21 |
| CN103256499B CN103256499B (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310070685.2A Active CN103256499B (en) | 2013-01-10 | 2013-03-06 | Lighting device |
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| Country | Link |
|---|---|
| CN (1) | CN103256499B (en) |
| TW (1) | TWI468625B (en) |
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| CN107304985A (en) * | 2016-04-21 | 2017-10-31 | 苏州向隆塑胶有限公司 | The illuminator of adjustable double-side light extraction |
| CN112394573A (en) * | 2020-12-11 | 2021-02-23 | 张志成 | Side-in type LED backlight module and use method thereof |
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| TW201617555A (en) * | 2014-11-12 | 2016-05-16 | Univ Lunghwa Sci & Technology | Green energy indoor illuminating device |
| TWI586914B (en) * | 2016-04-13 | 2017-06-11 | 茂林光電科技股份有限公司 | A adjustable double-sided lighting lamp |
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| US20090154138A1 (en) * | 2007-12-12 | 2009-06-18 | Hiroto Isoda | Lighting device for operation panel and electronic device |
| CN101387383A (en) * | 2008-10-29 | 2009-03-18 | 友达光电股份有限公司 | Fixation structure of backlight module and optical sheet thereof |
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| JP3178835U (en) * | 2012-03-14 | 2012-10-04 | 昆山市誠泰電気股▲ふん▼有限公司 | Reflective sheet having light guide dots, LED flat light source, LED flat panel light, and flat panel LED light |
| CN202660276U (en) * | 2012-05-03 | 2013-01-09 | 谢旻江 | Planar lighting device |
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| CN107304985A (en) * | 2016-04-21 | 2017-10-31 | 苏州向隆塑胶有限公司 | The illuminator of adjustable double-side light extraction |
| CN112394573A (en) * | 2020-12-11 | 2021-02-23 | 张志成 | Side-in type LED backlight module and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201428213A (en) | 2014-07-16 |
| CN103256499B (en) | 2015-02-18 |
| TWI468625B (en) | 2015-01-11 |
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