CN102798092A - Backlight module and light source device thereof - Google Patents
Backlight module and light source device thereof Download PDFInfo
- Publication number
- CN102798092A CN102798092A CN201210253417XA CN201210253417A CN102798092A CN 102798092 A CN102798092 A CN 102798092A CN 201210253417X A CN201210253417X A CN 201210253417XA CN 201210253417 A CN201210253417 A CN 201210253417A CN 102798092 A CN102798092 A CN 102798092A
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- CN
- China
- Prior art keywords
- light
- fixture
- supply apparatus
- light source
- treatment element
- 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.)
- Granted
Links
- 239000000758 substrate Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 description 13
- 238000004020 luminiscence type Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- 230000009466 transformation Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Planar Illumination Modules (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a backlight module and a light source device thereof, wherein the light source device comprises a fixing piece, a light source module, a light processing element and a combining piece. The light source module is positioned on the fixing piece, and the light processing element is abutted against the concave part of the fixing piece. The fixing piece limits the relative position of the light source module and the light processing element, and the combining piece is combined with the light processing element and the fixing piece. The backlight module comprises a frame, a light guide plate and a light source device, wherein the light source device is positioned in the frame and faces the light guide plate.
Description
Technical field
The present invention relates to a kind of light supply apparatus, particularly relate to a kind of backlight module and light supply apparatus thereof.
Background technology
Backlight module is provided with the position and can be categorized as two kinds of forms according to light supply apparatus: direct type backlight module and lateral type backlight module.In general, backlight module mainly comprises LGP, blooming piece, reflecting plate and light supply apparatus.Wherein, light supply apparatus mainly can be made up of reflector and luminescence component.Reflector is arranged on the outside of luminescence component, to promote the utilization ratio of light supply apparatus effectively.In this, reflector is c-shaped, after concentrating with the light reflection that luminescence component is produced, is shone out by its opening again, is used to promote the ratio that light gets into LGP.
In this, luminescence component can be made up of light-emitting component (for example: fluorescent tube or light emitting diode) and light source conversion element.Wherein, the light source conversion element can be the glass tube that wherein is filled with like chemical substances such as fluorescent material.In the assembling process that carries out light supply apparatus, luminescence component needs to be inserted by the side of reflector, but in the configuration of factory building production line, the assembling of luminescence component can receive the restriction of working space, and then can't promote the production capacity of backlight module.In addition, the assembling of luminescence component often causes reflector to produce distortion or distortion, and the position of luminescence component in light supply apparatus is also difficult accurately fixing, and then causes light from the out-of-flatness light leak.
Summary of the invention
For addressing the above problem, in an embodiment of the present invention, a kind of light supply apparatus comprises fixture, light source module, light treatment element and conjunction.Light source module is positioned on the fixture.Fixture comprises at least one recess, and the light treatment element then is resisted against the recess of fixture.With the relative position of fixture restriction light source module and light treatment element, and with conjunction combination light treatment element and fixture.
In another embodiment of the present invention, a kind of backlight module comprises framework, LGP and foregoing light supply apparatus, and wherein, light supply apparatus is positioned at framework and towards LGP.
In an embodiment of the present invention, utilize the relative position of fixture restriction light source module and light treatment element, be used for conjunction and coat light treatment element and fixture, improving the accuracy of assembling, and can be reduced in the wearing and tearing of each assembly in the assembling process.In addition, fixture is yielding and the out-of-flatness situation can not take place, and solves effectively that light is prone to the problem from the out-of-flatness light leak in the prior art.
Below in embodiment, be described in detail detailed features of the present invention and advantage; Its content is enough to make any correlation technique person of being familiar with to understand technology contents of the present invention and implements according to this; And according to content, claim and the accompanying drawing that this specification disclosed, any correlation technique person of haveing the knack of can understand purpose and the advantage that the present invention is correlated with easily.
Description of drawings
Figure 1A is the exploded view of first embodiment of light supply apparatus of the present invention;
Figure 1B is the constitutional diagram of first embodiment of light supply apparatus of the present invention;
Fig. 2 is the side view of light source module of the present invention;
Fig. 3 is the sketch map of first embodiment of backlight module of the present invention;
Fig. 4 is the schematic perspective view of other enforcement aspects of light supply apparatus of the present invention;
Fig. 5 is the schematic perspective view of other enforcement aspects of light supply apparatus of the present invention.
The main element symbol description
10 light supply apparatuses
11 fixtures
12 recesses
13 light source modules
14 smooth treatment elements
15 conjunctions
16 storage tanks
17 lock members
111 reflecting layer
112 bodies
113 surfaces
The 11a basal surface
The 11b inwall
The 11b1 top side
The 11b2 bottom side
131 substrates
132 light-emitting components
133 spacings
30 backlight modules
31 frameworks
311 fixed mounts
312 radiating pieces
32 LGPs
33 incidence surfaces
34 exiting surfaces
35 reflector plates
The 312a locating slot
The 312b fitting portion
The specific embodiment
Figure 1A is the exploded view according to the light supply apparatus of the first embodiment of the present invention, and wherein the indicated direction of arrow is a combinations of directions.Figure 1B is the constitutional diagram of the light supply apparatus among Figure 1A.
See also Figure 1A and Figure 1B, light supply apparatus 10 comprises fixture 11, light source module 13, light treatment element 14 and conjunction 15.
Wherein, light source module 13 relatively is provided with light treatment element 14.In certain embodiments, light source module 13 and light treatment element 14 are arranged on the same side of fixture 11, and the light-emitting area of light source module 13 is towards light treatment element 14.
In this, recess 12 is formed on the surface of fixture 11.The upside of light treatment element 14 is contained in the recess 12, to limit the position of light treatment element 14.The upside of light treatment element 14 can be contained in the recess 12 wholly or in part.
In certain embodiments, conjunction 15 abuts against together fixture 11, light source module 13 and light treatment element 14 by the outside of fixture 11, light source module 13 and light treatment element 14.
Fig. 2 is the side view of an embodiment of light source module in Figure 1A and Figure 1B.Be convenient explanation, in Fig. 2, omit and draw fixture 11.
See also Fig. 2, light source module 13 mainly can be made up of substrate 131 and 132 of a plurality of light-emitting components.Wherein, a plurality of light-emitting components 132 compartment of terrains are arranged on the substrate 131, are used between any two adjacent light-emitting components 132, forming spacing 133.
In certain embodiments, conjunction 15 can be one or more.When using single conjunction 15, this conjunction 15 can be arranged in any spacing 133.And when using a plurality of conjunction 15, conjunction 15 can the position in each spacing 133 or part spacing 133, and in a spacing 133 one or more conjunctions 15 can be arranged.When conjunction 15 is when being processed by elastomeric material; Conjunction 15 can elastic force fixed light treatment element 14 with the relative position of fixture 11; When conjunction 15 is when being processed by non-elastic material; The mode that conjunction 15 can lock or attach is fixed in fixture 11 with light source module 13 and light treatment element 14; Wherein, lock mode such as conjunction 15 is fixed on the substrate 131 of fixture 11 or light source module 13 or through other forwards in the power of light treatment element 14 with restriction light treatment element 14 and fixture 11.At this, conjunction 15 can be made by transparent material, but the present invention is non-as limit, and conjunction 15 also can be made by transparent materials.
In certain embodiments, light-emitting component 132 can be light emitting diode, diode laser or fluorescent tube, and other solid light source is applicable equally certainly.Wherein, these a little light-emitting components 132 are arranged on the surface of substrate 131, and the light-emitting area of light-emitting component 132 is towards light treatment element 14.
In certain embodiments, substrate 131 can be circuit board, and light-emitting component 132 is electrically connected circuit board.Substrate 131 can be but be not limited to have sheet material or the sheet material that the material of good conductive and thermal conductive property is formed by aluminium or copper etc.Because substrate 131 has preferable heat-conducting effect, therefore, more optional usefulness has the light-emitting component 132 of higher-wattage, and is able to reduce light-emitting component 132 quantity that are provided with on the substrate 131 under the enough briliancy providing, and then reduces the use cost of light source module 13.
Fig. 4 and Fig. 5 are the schematic perspective view according to the light supply apparatus of second embodiment of the invention and the 3rd embodiment.
See also Fig. 4 and Fig. 5, fixture 11 also can have storage tank 16, and light source module 13 is arranged in the storage tank 16.Wherein, light source module 13 can whole or partly place storage tank 16
See also Fig. 4, the surface 113 of fixture 11 has first side respect to one another and second side.The first side has first breach, and first breach is the recess 12 of fixture 11.The second side has second breach, and second breach is the storage tank 16 of fixture 11.Wherein, first side and second side can be the long limit on surface 113.
A plurality of fixtures 11 relatively are provided with so that the both sides of the substrate 131 of light source module 13 are connected in the storage tank 16, and a plurality of light-emitting component 132 is suspended between light treatment element 14 and the storage tank 16.
See also Fig. 5, fixture 11 has basal surface 11a and two inwall 11b, and the bottom side 11b2 of two inwall 11b is connected the relative dual side-edge of basal surface 11a respectively.The bottom side 11b2 depression of each inwall 11b is to form storage tank 16.The top side 11b1 of each inwall 11b has breach, and this breach is the recess 12 of fixture 11.The substrate 131 of light source module 13 is embedded in storage tank 16, and a plurality of light-emitting components 132 of light source module 13 are suspended between the recess 12 and storage tank 16 of fixture 11.
In certain embodiments, fixture 11 can be metal material.At this moment, the fixture 11 of metal material also can be in order to reflection source module 13 or/and the light that light treatment element 14 is sent except fixed function is provided.
In certain embodiments, fixture 11 also can comprise reflecting layer 111, and the light that reflecting layer 111 is produced in order to reflection source module 13 is or/and the light that reverberation treatment element 14 is sent.
In certain embodiments, fixture 11 can have body 112, and reflecting layer 111 is formed on the surface of this body 112.In this, reflecting layer 111 can a surface in body 112 adjacent light source modules 13 1 sides.In other words, reflecting layer 111 is that the position is on the same surface of body 112 with recess 12.At this moment, the body 112 of fixture 11 can be metal or non-metallic material.In certain embodiments, but the surface of coating recess 12 also, reflecting layer 111.Wherein, but the whole surface of reflecting layer 111 coating bodies, 112 adjacent light source modules, 13 1 sides.
In this, light treatment element 14 is used to handle the light that light-emitting component 132 is launched, to reach the needs of practical application.
In certain embodiments, light treatment element 14 can be lens, is used for light is converged or disperses.Light treatment element 14 also can be filter, is used for only letting the light with specific wavelength or color pass through.In addition, light treatment element 14 also can be the transparent panel that the surface is formed with specific nontransparent pattern, so that the light of light-emitting component 132 outgoing presents specific shape or pattern.Certainly also can above-mentioned various designs be used in combination.
In certain embodiments, light treatment element 14 can comprise material for transformation of wave length, such as: fluorescent material and/or nanocrystal.The part of the light source that light treatment element 14 is launched light-emitting component 132 converts the light source of another wavelength to and mixes with the remaining light sources that light-emitting component 132 is launched and send white light.Wherein, the material of light treatment element 14 can be made up of silica gel mixing ultraviolet light fluorescent material.In certain embodiments, light treatment element 14 can also comprise transparent tube.In this, transparent tube can be glass material or plastic cement material.
Wherein, material for transformation of wave length can be filled in the inboard of transparent tube.
In addition, material for transformation of wave length also can be doped in the material of transparent tube, perhaps coats on the surface of transparent tube.At this moment, this transparent tube can be designed to solid tubes.
Fig. 3 is the sketch map according to the backlight module of the first embodiment of the present invention.See also Fig. 3, backlight module 30 comprises framework 31, LGP 32 and light supply apparatus 10.Light supply apparatus 10 is positioned at framework 31 and towards LGP 32.That is to say that light treatment element 14 is that the position is between light source module 13 and LGP 32.In this, the light-emitting area of the incidence surface 33 corresponding light-emitting components 132 of LGP 32.
In certain embodiments, light supply apparatus 10 be the position at the side of LGP 32, the incidence surface 33 to cause light penetration light treatment element 14 that light source module 13 sends by LGP 32 is incident in the LGP 32.
In certain embodiments, framework 31 can comprise fixed mount 311 and radiating piece 312, and light supply apparatus 10 is positioned on the radiating piece 312 with LGP 32.Wherein, radiating piece 312 can be with the outward extending biside plate of first angle difference, and light supply apparatus 10 is to be provided with in first angle.At this, first angle preferably can be 90 degree.
In certain embodiments, fixed mount 311 is with the outward extending biside plate of second angle difference.One of wherein directly fit in one of in the biside plate of fixed mount 311 in the biside plate of radiating piece 312.And another side plate of fixed mount 311 is with respect to another side plate of radiating piece 312, and covers the locating slot 36 of radiating piece 312 with another side plate of fixed mount 311.At this, second angle preferably can be 90 degree.
In certain embodiments, LGP 32 and light supply apparatus 10 are arranged at the same side mutually of radiating piece 312.Can be provided with reflector plate 35 on the radiating piece 312, and reflector plate 35 is between radiating piece 312 and LGP 32.The light that reflector plate 35 will be incident in the LGP 32 reflects towards the exiting surface 34 of LGP 32.
Moreover reflector plate 35 also can be arranged between radiating piece 312 and the light supply apparatus 10, reflects to LGP 32 with the light that light supply apparatus 10 is produced.
In certain embodiments, radiating piece 312 utilizes large-area metal material to be used as radiating block, and this heat dissipation metal piece can promote the heat-sinking capability of light supply apparatus 10.Radiating piece 312 comprise locating slot 312a and fitting portion 312b with fixed light source device 10 on radiating piece 312.Wherein light supply apparatus 10 is embedded in this locating slot 312a, and conjunction 15 is embedded at fitting portion 312b.
In certain embodiments, substrate 131 stands on the radiating piece 312, and a plurality of light-emitting components 132 are suspended between fixture 11 and the radiating piece 312.In this, can promote the radiating effect of light supply apparatus 10, and can use a plurality of light-emitting components 132 of high briliancy, and have better drill colourity with the longer time using character.
In certain embodiments, the another side of substrate 131 relative light-emitting components 132 directly fits in radiating piece 312 or fits in fixture 11.In this, substrate 131 or fixture 11 can welding or mode such as welding engage with radiating piece 312.So the heat energy that light-emitting component 132 is produced conducts on the radiating piece 312 through substrate 131 directly or indirectly, and then carry out heat exchange through radiating piece 312 and outside air and dispel the heat.
In certain embodiments, also can be through driving fit between the substrate 131 that makes fixture 11 and light source module 13, or folder is established thermal grease between the substrate 131 of fixture 11 and light source module 13, conducts with the heat between the light source module 13 and promote fixture 11.
In an embodiment of the present invention, utilize the relative position of fixture restriction light source module and light treatment element, be used for conjunction and coat light treatment element and fixture, improving the accuracy of assembling, and can be reduced in the wearing and tearing of each assembly in the assembling process.In addition, fixture is yielding and the out-of-flatness situation can not take place, and solves effectively that light is prone to the problem from the out-of-flatness light leak in the prior art.
Though through having disclosed technology contents of the present invention with preferred embodiment; Yet it is not in order to limit the present invention; Anyly be familiar with this operator; Not breaking away from spirit of the present invention a little change and the retouching done, all should be covered by in the category of the present invention, so protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (14)
1. light supply apparatus comprises:
Fixture comprises at least one recess;
Light source module is positioned at this fixture;
The light treatment element is resisted against this recess, and wherein this fixture is in order to limit the relative position of this light source module and this light treatment element; And
Conjunction is in conjunction with this light treatment element and this fixture.
2. light supply apparatus as claimed in claim 1, wherein this fixture also comprises storage tank, and this light source module is set.
3. light supply apparatus as claimed in claim 1, wherein this fixture comprises the reflecting layer, in order to reflect the light that this light source module produces.
4. light supply apparatus as claimed in claim 1, wherein this light source module comprises substrate and a plurality of light-emitting component, those light-emitting components with an intervals be arranged on this substrate, this conjunction is to being positioned at this spacing.
5. light supply apparatus as claimed in claim 1, when wherein this conjunction is elastomeric objects with the relative position of fixing this light treatment element of elastic force and this fixture.
6. light supply apparatus as claimed in claim 1 limits this light treatment element and this fixture with forward in the power of light treatment element when wherein this conjunction is non-resilient object.
7. light supply apparatus as claimed in claim 1, wherein this conjunction coats this light treatment element and this fixture.
8. light supply apparatus as claimed in claim 1, wherein this conjunction is fixed in this fixture or this light source module.
9. backlight module comprises:
Framework;
LGP; And
One like each light supply apparatus of claim 1 to 8, is positioned at this framework and towards this LGP.
10. backlight module as claimed in claim 8, wherein this framework comprises radiating piece, and this light supply apparatus is positioned on this radiating piece.
11. backlight module as claimed in claim 9, wherein this LGP is positioned on this radiating piece.
12. backlight module as claimed in claim 9 also comprises a reflector plate, is arranged on this radiating piece and between this radiating piece and this LGP.
13. backlight module as claimed in claim 9, wherein this radiating piece comprises locating slot, and this light supply apparatus is embedded in this locating slot.
14. backlight module as claimed in claim 9, wherein this radiating piece comprises fitting portion, and this conjunction is embedded at this fitting portion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101114798 | 2012-04-25 | ||
| TW101114798A TWI468805B (en) | 2012-04-25 | 2012-04-25 | Backlight module and light device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102798092A true CN102798092A (en) | 2012-11-28 |
| CN102798092B CN102798092B (en) | 2016-05-18 |
Family
ID=47197308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210253417.XA Expired - Fee Related CN102798092B (en) | 2012-04-25 | 2012-07-20 | Backlight module and light source device thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102798092B (en) |
| TW (1) | TWI468805B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661487A (en) * | 2013-11-20 | 2015-05-27 | 华为技术有限公司 | Optical module heat dissipation structure and electronic product |
| CN105156945A (en) * | 2015-08-12 | 2015-12-16 | 广州创维平面显示科技有限公司 | Sideway-entering type quantum dot backlight module and display screen |
| US11670900B2 (en) | 2019-02-05 | 2023-06-06 | Emergency Technology, Inc. | Universal smart adaptor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171991A (en) * | 2002-11-21 | 2004-06-17 | Sony Corp | Lighting system and display device |
| CN101285962A (en) * | 2007-04-10 | 2008-10-15 | 索尼株式会社 | Optical elements covering member, backlight and liquid crystal display device |
| CN101994950A (en) * | 2009-08-10 | 2011-03-30 | 友达光电股份有限公司 | Backlight module |
| KR20110073210A (en) * | 2009-12-21 | 2011-06-29 | 엘지디스플레이 주식회사 | Backlight unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1306295C (en) * | 2002-03-28 | 2007-03-21 | 皇家飞利浦电子股份有限公司 | Compact lighting system and display device |
-
2012
- 2012-04-25 TW TW101114798A patent/TWI468805B/en not_active IP Right Cessation
- 2012-07-20 CN CN201210253417.XA patent/CN102798092B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171991A (en) * | 2002-11-21 | 2004-06-17 | Sony Corp | Lighting system and display device |
| CN101285962A (en) * | 2007-04-10 | 2008-10-15 | 索尼株式会社 | Optical elements covering member, backlight and liquid crystal display device |
| CN101994950A (en) * | 2009-08-10 | 2011-03-30 | 友达光电股份有限公司 | Backlight module |
| KR20110073210A (en) * | 2009-12-21 | 2011-06-29 | 엘지디스플레이 주식회사 | Backlight unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661487A (en) * | 2013-11-20 | 2015-05-27 | 华为技术有限公司 | Optical module heat dissipation structure and electronic product |
| CN104661487B (en) * | 2013-11-20 | 2017-06-20 | 华为技术有限公司 | Optical module radiator structure and electronic product |
| US9739960B2 (en) | 2013-11-20 | 2017-08-22 | Huawei Technologies Co., Ltd. | Optical module heat dissipation structure and electronic product |
| CN105156945A (en) * | 2015-08-12 | 2015-12-16 | 广州创维平面显示科技有限公司 | Sideway-entering type quantum dot backlight module and display screen |
| US11670900B2 (en) | 2019-02-05 | 2023-06-06 | Emergency Technology, Inc. | Universal smart adaptor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102798092B (en) | 2016-05-18 |
| TWI468805B (en) | 2015-01-11 |
| TW201344305A (en) | 2013-11-01 |
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Granted publication date: 20160518 Termination date: 20200720 |