CN103256499B - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN103256499B CN103256499B CN201310070685.2A CN201310070685A CN103256499B CN 103256499 B CN103256499 B CN 103256499B CN 201310070685 A CN201310070685 A CN 201310070685A CN 103256499 B CN103256499 B CN 103256499B
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- axostylus axostyle
- lighting device
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- movable end
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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, and particularly a kind of have bendable reflector plate and have the lighting device of the luminous and double-side of one side concurrently.
Background technology
Side entering type light source module general at present, except as except the backlight of display panels, also can be applicable to lighting use and such as reads auxiliary lamp or flat lamp etc.To read auxiliary lamp, all can bright dipping because light guide plate is two-sided, and reach the demand of perspective.If as flat lamp, then usually can add reflector plate below light guide plate, to promote the briliancy of one side luminescence.Foregoing light source module has the form of one side luminescence or double-side, but cannot be interchangeable because demand characteristics is different.Comparatively speaking, practical application aspect will be limited to, if light source module application can be promoted, that is, promote the practicality of light source module.
Summary of the invention
The invention provides a kind of lighting device, it is a kind ofly have bendable reflector plate and have the lighting device of the luminous and double-side of one side simultaneously concurrently.
The present invention proposes a kind of lighting device, and it comprises light source, light guide plate, axostylus axostyle and bendable reflector plate.Light guide plate is positioned at the side of light source, and it has first surface, the second surface relative with first surface, the first side and second side relative with the first side.Axostylus axostyle is positioned at the first side of light guide plate.Bendable reflector plate has stiff end and movable end, and stiff end is fixed on axostylus axostyle.Lighting device has the first state and the second state, and in a first state, the stiff end of bendable reflector plate is fixed on axostylus axostyle, and movable end is adjacent to the first side of light guide plate, and the remainder of bendable reflector plate furls on axostylus axostyle; In the second condition, bendable reflector plate launches and is adjacent to the second surface of light guide plate, and movable end is adjacent to the second side of light guide plate.
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 light guide plate.
Wherein, more comprise a fixation kit to be arranged on this movable end of this bendable reflector plate.
Wherein, more comprise a framework, be arranged at this first side of this light guide plate, 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 the first axostylus axostyle, bendable reflector plate, the second axostylus axostyle, type flexible leaded light plate and light source.Bendable reflector plate has the first stiff end and the first movable end, and the first stiff end is fixed on the first axostylus axostyle.Second axostylus axostyle is adjacent to the first axostylus axostyle and arranges.Type flexible leaded light plate has the second stiff end and the second movable end, and the second stiff end is fixed on the second axostylus axostyle.Light source is positioned on the second movable end of type flexible leaded light plate.Lighting device has one first state, one second state and a third state, and in a first state, bendable reflector plate furls on the first axostylus axostyle, and type flexible leaded light coiled sheet closes on the second axostylus axostyle; In the second condition, bendable reflector plate furls on the first axostylus axostyle, and type flexible leaded light plate development and the second movable end and light source are away from the second axostylus axostyle; And in a third condition, type flexible leaded light plate development and the second movable end and light source are positioned at away from the second axostylus axostyle, bendable reflector plate is deployed under type flexible leaded light plate, and the first movable end is away from the first axostylus axostyle.
Wherein, this light source comprises a light emitting diode or a cathode fluorescent tube.
Wherein, more comprise a fixation kit to be arranged on this first movable end of 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 light guide plate and bendable reflector plate and type flexible leaded light plate and bendable reflector plate, makes lighting device have the characteristic of one side luminescence and double-side concurrently, also promotes the range of application of lighting device.
Accompanying drawing explanation
Fig. 1 is the top view of the lighting device of first embodiment of the invention.
Fig. 2 is the lighting device profile in a first state of first embodiment of the invention.
Fig. 3 is the lighting device profile in the second condition of first embodiment of the invention.
Fig. 4 is the lighting device profile in a first state of second embodiment of the invention.
Fig. 5 is the lighting device profile in the second condition of second embodiment of the invention.
Fig. 6 is the lighting device profile in a third condition of second embodiment of the invention.
Wherein, Reference numeral:
L light source LGP light guide plate
Lo bright dipping Lw bang path
Lds double-side Lss one side is luminous
10 lighting device 20 lighting devices
The bendable reflector plate of 110 axostylus axostyle 120
121 stiff end 122 movable ends
130 framework 140 fixation kits
142 by magnetic absorption member 141 magnetic absorption member
143 elastic joint part 210a first axostylus axostyles
The bendable reflector plate of 210b second axostylus axostyle 220
221 first stiff end 222 first movable ends
230 framework 240 fixation kits
250 type flexible leaded light plate 251 second stiff ends
252 second movable end 260 reflectors
S1 first surface S2 second surface
D1 first side D2 second side
Detailed description of the invention
For making those skilled in the art further can understand the present invention, hereafter spy enumerates preferred embodiment of the present invention, and coordinates institute's accompanying drawings, describe in detail constitution content of the present invention and the effect for reaching.
Fig. 1 is the top view of the lighting device of first embodiment of the invention, and Fig. 2 is the lighting device profile in a first state of first embodiment of the invention, and Fig. 3 is the lighting device profile in the second condition of first embodiment of the invention.Please refer to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, lighting device 10 comprises light guide plate LGP, light source L and framework 130.The corresponding upper surface of light guide plate LGP and lower surface are defined as first surface S1 and second surface S2, and the corresponding left side of light guide plate LGP and right side are defined as the first side D1 and the second side D2.The material of light guide plate LGP can be such as polymethyl methacrylate (polymethyl methacrylate, PMMA), Merlon (polycarbonate, PC), cyclic olefine copolymer (cyclic olefin copolymer, and polystyrene (polystyrene COC), the material such as PS), but be not limited thereto.Light source L is in close proximity to the first side D1 of light guide plate LGP, and in order to provide light Lo to light guide plate LGP, and light source L can be such as 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 light guide plate LGP, framework 130 has slotted eye (sign) makes the first side D1 of light guide plate LGP be fixed on wherein, and light source L and axostylus axostyle 110 are all arranged in framework 130, and light source L is between light guide plate LGP and axostylus axostyle 110, but the present invention is not limited to this, such as light source L also can be positioned at the second side D2 of light guide plate LGP.In the present embodiment, lighting device 10 also optionally comprises reflector (not shown) and to be arranged in framework 130 and to be positioned at the opposite side of light source L relative to light guide plate LGP, and the light Lo in order to be provided by light source L concentrates on the first side D1 of light guide plate LGP.In the present embodiment, lighting device 10 separately comprises rollable bendable reflector plate 120, and it has stiff end 121 and movable end 122, and wherein stiff end 121 is fixed on the axostylus axostyle 110 in framework 130.Bendable reflector plate 120 can be white reflection sheet, silver-colored reflector plate or multilayer film reflector plate, and material such as can be the materials such as PET (polyethyleneterephthalate, PET) and adds reflective particle as titanium dioxide (TiO
2) or reflectance coating as silver (Ag) etc., but to be not limited thereto.
In the present embodiment, lighting device 10 also comprises and arranges fixation kit 140 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 (such as metal) by the material of magnetic absorption member 142, and the material of magnetic absorption member 141 is magnet, wherein fixation kit 140 also can comprise the elements such as devil's felt or hook, but not as limit.Be attached on the movable end 122 of bendable reflector plate 120 by magnetic absorption member 142, magnetic absorption member 141, and to be linked together by magnetic absorption member 142 one end with magnetic absorption member 141 by elastic joint part 143 by magnetic absorption member 142 through magnetic-adsorption.
In the present embodiment, lighting device 10 has the first state and the second state.As shown in Figure 2, in a first state, the stiff end of bendable reflector plate 120 is fixed on axostylus axostyle 110, and movable end 122 to be positioned at framework 130 outer and be adjacent to the first side D1 of light guide plate LGP and the junction of second surface S2, the remainder of bendable reflector plate 120 furls on axostylus axostyle 110.In a first state, lighting device 10 can present double-side Lds, now bendable reflector plate 120 is not set under light guide plate LGP, the light Lo that light source L produces enters light guide plate LGP via the first side D1 of light guide plate LGP, and light Lo can produce double-side Lds by the first surface S1 of bang path Lw injection light guide plate LGP and second surface S2 in light guide plate LGP.As shown in Figure 3, in the second condition, bendable reflector plate 120 is deployed in below the second surface S2 of light guide plate LGP, movable end 122 is positioned at the second side D2 of light guide plate LGP, and the magnetic absorption member 141 on movable end 122 is arranged on the end of the second surface S2 of contiguous light guide plate LGP second side D2, be arranged on the end of first surface S1 of light guide plate LGP by magnetic absorption member 142 relative to magnetic absorption member 141, being produced magnetic force by magnetic absorption member 142 and magnetic absorption member 141 and attract now on bendable reflector plate 120, and bendable reflector plate 120 is fixed on the second side D2 of light guide plate LGP.In the second condition, lighting device 10 can present the luminous Lss of one side, because now bendable reflector plate 120 is deployed in below the second surface S2 of light guide plate LGP, the light Lo that light source L produces is from the first side D1 light inlet of light guide plate LGP, and light Lo can advance via bang path Lw and reflexes to the first surface S1 of light guide plate LGP by bendable reflector plate 120 and produce the luminous Lss of one side in light guide plate LGP.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 rotating shaft rod be wound in by bendable reflector plate 120 on axostylus axostyle 110 or launch.Automatic axostylus axostyle utilizes motor switch element (not shown), provides expansion and the retracting of the bendable reflector plate 120 of power drives switch control rule, but be not limited thereto with motor.
Fig. 4 is the lighting device profile in a first state of second embodiment of the invention, and Fig. 5 is the lighting device profile in the second condition of second embodiment of the invention, and Fig. 6 is the lighting device profile in a third condition of second embodiment of the invention.Please refer to Fig. 4, Fig. 5 and Fig. 6, comprise rollable bendable reflector plate 220, rollable type flexible leaded light plate 250 and framework 230 at the lighting device 20 of the present embodiment simultaneously.Bendable reflector plate 220 has the first stiff end 221 and the first movable end 222, and the first stiff end 221 is fixed on the first axostylus axostyle 210a.Type flexible leaded light plate 250 has the second stiff end 251 and the second movable end 252, second stiff end 251 is fixed on the second axostylus axostyle 210b, and wherein the first axostylus axostyle 210a and the second axostylus axostyle 210b is arranged in framework 230.The material of type flexible leaded light plate 250 can be the such as soft plastic film such as Merlon (polycarbonate, PC), PET (polyethylene terephthalate, PET), but is not limited thereto.Light source L is arranged on the second movable end 252 of type flexible leaded light plate 250, and light source L can be such as 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 (such as metal), and reflector 260 is also arranged on the second movable end 252 of type flexible leaded light plate 250, reflector 260 is used for seizing on both sides by the arms the second movable end 252 of light source L and type flexible leaded light plate 250, and reflection from the some light of light source L to type flexible leaded light plate 250, but to be not limited thereto.
In the present embodiment, lighting device 20 more comprises fixation kit 240, and be arranged on the first movable end 222 of bendable reflector plate 220, the material of fixation kit 240 can be such as magnet, and fixation kit 240 is attached on the first movable end 222 of bendable reflector plate 220, but be not limited thereto.Now, the fixation kit 240 on the first movable end 222 of bendable reflector plate 220 also produces magnetic force and attracts and be fixed under reflector 260 with reflector 260.Fixation kit 240 also can be devil's felt or hook etc., for devil's felt, can arrange devil's felt below reflector 260, be fixed under reflector 260 with fixation kit 240 by the first movable end 222 of bendable reflector plate 220, but be not limited thereto.
In the present embodiment, lighting device 20 has the first state, the second state and the third state.As shown in Figure 4, in a first state, first movable end 222 of bendable reflector plate 220 is adjacent to framework 230 and is positioned at outside framework 230, and the second movable end 252 of type flexible leaded light plate 250 is also adjacent to framework 230 and is positioned at outside framework 230, also namely 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.In a first state, lighting device 20 light source is closed and is presented non-luminous state, because type flexible leaded light plate 250 now and bendable reflector plate 220 all furl in framework 230.As shown in Figure 5, in the second condition, the first movable end 222 of bendable reflector plate 220 is adjacent to framework 230, and type flexible leaded light plate 250 launches and the second movable end 252 and light source L away from framework 230.In the second condition, lighting device 20 presents double-side Lds, because now type flexible leaded light plate does not arrange reflector plate 250 times, the light source L being positioned at the side of type flexible leaded light plate 250 produces light Lo and enters type flexible leaded light plate 250, and light Lo is understood the upper surface and lower surface that be penetrated type flexible leaded light plate 250 by bang path Lw and produces double-side Lds type flexible leaded light plate 250 in.As shown in Figure 6, in a third condition, type flexible leaded light plate 250 launch and the second movable end 252 and light source L away from framework 230, and bendable reflector plate 220 is also deployed under type flexible leaded light plate 250, and the first movable end 221 is away from framework 230, and be fixed on the reflector 260 of the second movable end 252.In a third condition, lighting device 20 presents the luminous Lss of one side, because now bendable reflector plate 220 is deployed under type flexible leaded light plate 250, the light source L being positioned at the side of type flexible leaded light plate 250 produces light Lo, and light Lo can advance via bang path Lw and reflexes to the upper surface of type flexible leaded light plate 250 by bendable reflector plate 220 and produce the luminous Lss of one side in type flexible leaded light plate 250.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 is not limited thereto.Manual axostylus axostyle utilizes manually rotating shaft rod that bendable reflector plate 220 is wound on the first axostylus axostyle 210a and the second axostylus axostyle 210b respectively with type flexible leaded light plate 250 or is launched.Motor switch element (not shown) is arranged on the first axostylus axostyle 210a and the second axostylus axostyle 210b by automatic axostylus axostyle, provides expansion and the retracting of the bendable reflector plate 220 of power drives switch control rule and type flexible leaded light plate 250, but be not limited thereto with motor.
As described above, the first embodiment of the present invention and the second embodiment utilize the combination of light guide plate and bendable reflector plate and type flexible leaded light plate and bendable reflector plate respectively, make lighting device have the characteristic of one side luminescence and double-side 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 the first state of lighting device and light source close, utilize the light of sunshine to provide indoor enough light by the refraction of light guide plate; During night, under the first state of lighting device and light source open, utilize the lighting device of one side luminescence to provide the light of room lighting, but be not limited thereto.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claims in the present invention.
Claims (11)
1. a lighting device, comprises:
One light source;
One light guide plate, is arranged at the side of this light source, and wherein this light guide plate has a first surface, a second surface relative with this first surface, one first side and one second side relative with this first side; It is characterized in that, also comprise:
One axostylus axostyle, is arranged at this first side of this light guide plate; 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 light guide plate, 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 light guide plate, and this movable end is adjacent to this second side of this light guide plate.
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 light guide plate.
4. lighting device according to claim 1, is characterized in that, more comprises a fixation kit and is arranged on this movable end of this bendable reflector plate.
5. lighting device according to claim 1, is characterized in that, more comprises a framework, and be arranged at this first side of this light guide plate, 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 and arranges;
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 a fixation kit and is arranged on this first movable end of this bendable reflector plate.
10. lighting device according to claim 7, is characterized in that, more comprise a reflector and be positioned at this second movable end, this light source is arranged in this reflector.
11. lighting devices 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 |
|---|---|---|---|
| TW102100881 | 2013-01-10 | ||
| TW102100881A TWI468625B (en) | 2013-01-10 | 2013-01-10 | Lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103256499A CN103256499A (en) | 2013-08-21 |
| CN103256499B true 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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| CN (1) | CN103256499B (en) |
| TW (1) | TWI468625B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH056704A (en) * | 1991-06-27 | 1993-01-14 | Mitsubishi Electric Corp | Light distribution variable lighting device |
| JPH10246814A (en) * | 1997-03-06 | 1998-09-14 | Sanyo Electric Co Ltd | Back light device |
| JPH11329042A (en) * | 1998-05-12 | 1999-11-30 | Fuji Photo Film Co Ltd | Flat surface light source, exposing element and flat surface display device |
| CN2560817Y (en) * | 2002-07-13 | 2003-07-16 | 陈海生 | Decorative lighting apparatus of internal-photo-external-transmission for building |
| EP1770415A1 (en) * | 2004-07-16 | 2007-04-04 | Kuraray Co., Ltd., Kurashiki Plant | Condenser film, liquid crystal panel, backlight and method for producing condenser film |
| 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 |
| CN201739960U (en) * | 2010-07-13 | 2011-02-09 | 上海向隆电子科技有限公司 | Light guide part and backlight module adopting same |
| CN201795433U (en) * | 2010-09-21 | 2011-04-13 | 上海向隆电子科技有限公司 | Light guide plate capable of emitting light on double sides |
| CN102401307A (en) * | 2011-12-05 | 2012-04-04 | 南昌大学 | Lifting indoor light emitting diode (LED) illumination device |
| WO2012128193A1 (en) * | 2011-03-23 | 2012-09-27 | シャープ株式会社 | Lighting device and display device |
| 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 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4806215B2 (en) * | 2005-06-07 | 2011-11-02 | Ｎｅｃ液晶テクノロジー株式会社 | Display device |
| JP2009146652A (en) * | 2007-12-12 | 2009-07-02 | Citizen Electronics Co Ltd | Lighting device for operation key and electronic device |
| TWI384293B (en) * | 2008-08-06 | 2013-02-01 | Au Optronics Corp | Backlight module and liquid crystal display using the same |
| JP5402428B2 (en) * | 2009-09-09 | 2014-01-29 | オムロン株式会社 | Surface light source device and liquid crystal display device |
| TW201102687A (en) * | 2010-09-16 | 2011-01-16 | Global Lighting Technologies | A light-guide plate with emitting from it's double sides and method of manufacturing |
| TW201219896A (en) * | 2010-11-09 | 2012-05-16 | Hannstar Display Corp | Display device |
-
2013
- 2013-01-10 TW TW102100881A patent/TWI468625B/en active
- 2013-03-06 CN CN201310070685.2A patent/CN103256499B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH056704A (en) * | 1991-06-27 | 1993-01-14 | Mitsubishi Electric Corp | Light distribution variable lighting device |
| JPH10246814A (en) * | 1997-03-06 | 1998-09-14 | Sanyo Electric Co Ltd | Back light device |
| JPH11329042A (en) * | 1998-05-12 | 1999-11-30 | Fuji Photo Film Co Ltd | Flat surface light source, exposing element and flat surface display device |
| CN2560817Y (en) * | 2002-07-13 | 2003-07-16 | 陈海生 | Decorative lighting apparatus of internal-photo-external-transmission for building |
| EP1770415A1 (en) * | 2004-07-16 | 2007-04-04 | Kuraray Co., Ltd., Kurashiki Plant | Condenser film, liquid crystal panel, backlight and method for producing condenser film |
| 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 |
| CN201739960U (en) * | 2010-07-13 | 2011-02-09 | 上海向隆电子科技有限公司 | Light guide part and backlight module adopting same |
| CN201795433U (en) * | 2010-09-21 | 2011-04-13 | 上海向隆电子科技有限公司 | Light guide plate capable of emitting light on double sides |
| WO2012128193A1 (en) * | 2011-03-23 | 2012-09-27 | シャープ株式会社 | Lighting device and display device |
| CN102401307A (en) * | 2011-12-05 | 2012-04-04 | 南昌大学 | Lifting indoor light emitting diode (LED) illumination device |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI468625B (en) | 2015-01-11 |
| CN103256499A (en) | 2013-08-21 |
| TW201428213A (en) | 2014-07-16 |
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