CN102798092B - Backlight module and light source device thereof - Google Patents
Backlight module and light source device thereof Download PDFInfo
- Publication number
- CN102798092B CN102798092B CN201210253417.XA CN201210253417A CN102798092B CN 102798092 B CN102798092 B CN 102798092B CN 201210253417 A CN201210253417 A CN 201210253417A CN 102798092 B CN102798092 B CN 102798092B
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- China
- Prior art keywords
- light
- light source
- fixture
- treatment element
- supply apparatus
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- 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 - Fee Related
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- 239000000463 material Substances 0.000 description 12
- 238000003860 storage Methods 0.000 description 9
- 238000004020 luminiscence type Methods 0.000 description 8
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- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
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- 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
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000002159 nanocrystal Substances 0.000 description 1
- 230000003287 optical effect Effects 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
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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 can be categorized as two kinds of forms according to the setting position of light supply apparatus: direct type backlight moduleAnd lateral type backlight module. In general, backlight module mainly comprises LGP, blooming piece, reflectionPlate and light supply apparatus. Wherein, light supply apparatus mainly can be made up of reflector and luminescence component. ReflectorBe arranged on the outside of luminescence component, effectively to promote the utilization ratio of light supply apparatus. In this, reflectorC-shaped, after concentrating with the light reflection that luminescence component is produced, then shone out by its opening, forPromote the ratio that light enters LGP.
In this, luminescence component can for example, be turned by light-emitting component (: fluorescent tube or light emitting diode) and light sourceChanging element forms. Wherein, light source conversion element can be and is wherein filled with as chemical substances such as fluorescent materialGlass tube. Carrying out in the assembling process of light supply apparatus, luminescence component need be inserted by the side of reflector,But in the configuration of factory building production line, the assembling of luminescence component can be subject to the restriction of working space, and thenCannot promote the production capacity of backlight module. In addition, the assembling of luminescence component often cause reflector produce distortion orDistortion, and the position of luminescence component in light supply apparatus be also difficult for accurately fixing, and then cause light fromOut-of-flatness place 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, lightSource module, light treatment element and conjunction. Light source module is positioned on fixture. Fixture comprises at least oneRecess, light treatment element is resisted against the recess of fixture. With fixture restriction light source module and Guang ChuReason element relative position, and with conjunction in conjunction with light treatment element and fixture.
In another embodiment of the present invention, a kind of backlight module comprises framework, LGP and foregoingLight supply apparatus, wherein, light supply apparatus is positioned at framework and towards LGP.
In an embodiment of the present invention, utilize the phase contraposition of fixture restriction light source module and light treatment elementPut, for the coated light treatment element of conjunction and fixture, to improve the accuracy of assembling, and can reduceThe wearing and tearing of each assembly in assembling process. In addition, fixture is yielding and out-of-flatness situation can not occur,Effectively solve light in prior art easily from the problem of out-of-flatness light leak.
In embodiment, describe below detailed features of the present invention and advantage in detail, its content is enough to makeAny correlation technique person of being familiar with understands technology contents of the present invention and implements according to this, and according to this description instituteThe content, claim and the accompanying drawing that disclose, any correlation technique person of haveing the knack of can understand phase of the present invention easilyObject and the advantage of closing.
Brief description of the drawings
Figure 1A is the exploded view of the first embodiment of light supply apparatus of the present invention;
Figure 1B is the constitutional diagram of the 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 schematic diagram of the 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.
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
11a basal surface
11b inwall
11b1 top side
11b2 bottom side
131 substrates
132 light-emitting components
133 spacing
30 backlight modules
31 frameworks
311 fixed mounts
312 radiating pieces
32 LGPs
33 incidence surfaces
34 exiting surfaces
35 reflector plates
312a locating slot
312b fitting portion
Detailed description of the invention
Figure 1A is according to the exploded view of the light supply apparatus of the first embodiment of the present invention, wherein arrow indicationShow that direction is combinations of directions. Figure 1B is the constitutional diagram of the light supply apparatus in Figure 1A.
Refer to Figure 1A and Figure 1B, light supply apparatus 10 comprises fixture 11, light source module 13, Guang ChuReason element 14 and conjunction 15.
Light source module 13 is positioned at fixture 11. Fixture 11 has recess 12, in order to light processing to be setElement 14, and light treatment element 14 can be resisted against recess 12. In this, limit with fixture 11The relative position of light source module 13 and light treatment element 14, and with conjunction 15 in conjunction with light treatment element14 with fixture 11.
Wherein, light source module 13 relatively arranges with light treatment element 14. In certain embodiments, lightSource module 13 and light treatment element 14 are arranged on the same side of fixture 11, and light source module 13Light-emitting area 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 accommodatingIn recess 12, to limit the position of light treatment element 14. The upside of light treatment element 14 can be completeOr part is contained in recess 12.
In certain embodiments, conjunction 15 is by fixture 11, light source module 13 and light treatment element14 outside makes together with fixture 11, light source module 13 abut against with light treatment element 14.
Fig. 2 is the side view of an embodiment of light source module in Figure 1A and Figure 1B. For convenience of description,In Fig. 2, omit and draw fixture 11.
Refer to Fig. 2, light source module 13 mainly can be made up of substrate 131 and multiple light-emitting component 132.Wherein, multiple light-emitting components 132 compartment of terrains are arranged on substrate 131, for sending out any two-phase neighbourBetween optical element 132, form spacing 133.
In certain embodiments, conjunction 15 can be one or more. When using single conjunction 15Time, this conjunction 15 can be arranged in any spacing 133. And in the time using multiple conjunction 15, knotComponent 15 can position in each spacing 133 or part spacing 133, and can in a spacing 133There are one or more conjunctions 15. When conjunction 15 is while being made up of elastomeric material, conjunction 15 canThe relative position of elastic force fixed light treatment element 14 and fixture 11, when conjunction 15 is by non-resilientWhen material is made, the mode that conjunction 15 can lock or attach is by light source module 13 and light treatment element14 are fixed on fixture 11, and wherein, the mode that locks is such as making by the lock member such as screw or bolt 17Conjunction 15 is fixed on the substrate 131 of fixture 11 or light source module 13 or by other justTo the power in light treatment element 14 with restriction light treatment element 14 and fixture 11. At this, conjunction15 can be made by transparent material, but the present invention is non-as limit, and conjunction 15 also can be by opaque materialMatter is made.
In certain embodiments, light-emitting component 132 can be light emitting diode, diode laser or lampPipe, other solid light source is applicable equally certainly. Wherein, these a little light-emitting components 132 are arranged at substrateOn 131 surface, 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 circuitPlate. Substrate 131 can be but be not limited to the material by aluminium or copper etc. with good conductive and thermal conductive propertySheet material or sheet material that material forms. Because substrate 131 has preferably heat-conducting effect, therefore, more optionalWith the light-emitting component 132 with higher-wattage, and reduced substrate 131 providing under enough briliancyLight-emitting component 132 quantity of upper setting, and then the use cost of reduction light source module 13.
Fig. 4 and Fig. 5 show according to the solid of the light supply apparatus of second embodiment of the invention and the 3rd embodimentIntention.
Refer to Fig. 4 and Fig. 5, fixture 11 also can have storage tank 16, and light source module 13 arrangesIn storage tank 16. Wherein, light source module 13 can be placed in storage tank 16 all or in part
Refer to Fig. 4, the surface 113 of fixture 11 has first side respect to one another and second side.First side has the first breach, and the first breach is the recess 12 of fixture 11. Second side toolHave the second breach, and the second breach is the storage tank 16 of fixture 11. Wherein, first side andDual side-edge can be the long limit on surface 113.
Multiple fixtures 11 relatively arrange so that the both sides of the substrate 131 of light source module 13 are connected to appearancePut in groove 16, and multiple light-emitting component 132 is suspended between light treatment element 14 and storage tank 16.
Refer to Fig. 5, fixture 11 has basal surface 11a and two inwall 11b, and two inwall 11bBottom side 11b2 is connected respectively the relative dual side-edge of basal surface 11a. The bottom side 11b2 of each inwall 11b is recessedFall into form storage tank 16. The top side 11b1 of each inwall 11b has breach, and this breach is fixingThe recess 12 of part 11. The substrate 131 of light source module 13 is embedded in storage tank 16, and light source dieMultiple light-emitting components 132 of piece 13 are suspended between the recess 12 and storage tank 16 of fixture 11.
In certain embodiments, fixture 11 can be metal material. Now, the fixture of metal material11 except providing fixed function, also can be in order to reflection source module 13 or/and light treatment element 14 send outThe light going out.
In certain embodiments, fixture 11 also can comprise reflecting layer 111, and, reflecting layer 111 useThe light being produced with 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 to formBe on the surface of this body 112. In this, reflecting layer 111 can position at body 112 adjacent light source modulesThe surface of 13 1 sides. In other words, reflecting layer 111 is same surfaces at body 112, position with recess 12On. Now, the body 112 of fixture 11 can be metal or non-metallic material. In certain embodiments,Reflecting layer 111 also can coating recess 12 surface. Wherein, reflecting layer 111 can coating body 112 neighboursThe whole surface of close to sources module 13 1 sides.
In this, the light that light treatment element 14 is launched for the treatment of light-emitting component 132, to reach realThe needs of border application.
In certain embodiments, light treatment element 14 can be lens, for light is converged orDisperse. Light treatment element 14 also can be filter, and the light for only allowing with specific wavelength or color leads toCross. In addition, light treatment element 14 also can be surface and is formed with the transparent panel of specific nontransparent pattern, withMake the light of light-emitting component 132 outgoing present specific shape or pattern. Certainly also can be by above-mentioned various designsBe combined with.
In certain embodiments, light treatment element 14 can comprise material for transformation of wave length, such as: fluorescent materialAnd/or nanocrystal. The part conversion of the light source that light treatment element 14 is launched light-emitting component 132The remaining light sources that becomes the light source of another wavelength and launch with light-emitting component 132 is mixed and is sent white light. ItsIn, the material of light treatment element 14 can be made up of silica gel mixing ultraviolet light fluorescent material. In some enforcementIn example, light treatment element 14 can also comprise transparent pipe. In this, transparent pipe can be glass material or plastic cementMaterial.
Wherein, material for transformation of wave length can be filled in the inner side of transparent pipe.
In addition, material for transformation of wave length also can be doped in the material of transparent pipe, or coats transparent pipeOn surface. Now, this transparent pipe can be designed to solid tubes.
Fig. 3 is according to the schematic diagram of the backlight module of the first embodiment of the present invention. Refer to Fig. 3, the back of the bodyOptical module 30 comprises framework 31, LGP 32 and light supply apparatus 10. Light supply apparatus 10 is positioned at framework 31In and towards LGP 32. That is to say, light treatment element 14 is that position is at light source module 13 and LGPBetween 32. In this, the light-emitting area of the corresponding light-emitting component 132 of incidence surface 33 of LGP 32.
In certain embodiments, light supply apparatus 10 is position sides at LGP 32, to cause light source dieThe light penetration light treatment element 14 that piece 13 sends and be incident to leaded light by the incidence surface 33 of LGP 32In plate 32.
In certain embodiments, framework 31 can comprise fixed mount 311 and radiating piece 312, and light supply apparatus10 are positioned on radiating piece 312 with LGP 32. Wherein, radiating piece 312 can be with the first angle respectivelyOutward extending biside plate, and light supply apparatus 10 is to arrange in the first angle. At this, the first folderAngle preferably can be 90 degree.
In certain embodiments, fixed mount 311 is with the second angle outward extending biside plate respectively. ItsOne of directly fit in one of in the biside plate of middle 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 another with fixed mount 311Side plate covers the locating slot 36 of radiating piece 312. At this, the second angle preferably can be 90 degree.
In certain embodiments, LGP 32 is arranged at the mutually same of radiating piece 312 with light supply apparatus 10Side. On radiating piece 312, can be provided with reflector plate 35, and reflector plate 35 is positioned at radiating piece 312 and leadsBetween tabula rasa 32. Reflector plate 35 will be incident to the bright dipping towards LGP 32 of light in LGP 32Face 34 reflects.
Moreover reflector plate 35 also can be arranged between radiating piece 312 and light supply apparatus 10, with by light sourceThe light reflection that device 10 produces is to LGP 32.
In certain embodiments, radiating piece 312 utilizes large-area metal material to be used as radiating block, thisHeat dissipation metal piece can promote the heat-sinking capability of light supply apparatus 10. Radiating piece 312 comprise locating slot 312a andFitting portion 312b with fixed light source device 10 on radiating piece 312. Wherein light supply apparatus 10 is embedded atIn this locating slot 312a, and conjunction 15 is embedded at fitting portion 312b.
In certain embodiments, substrate 131 stands on radiating piece 312, and makes multiple light-emitting components 132Be suspended between fixture 11 and radiating piece 312. In this, can promote the heat radiation effect of light supply apparatus 10Really, and can use multiple light-emitting components 132 of high briliancy, and have and better drill colourity and longer timeUsing character.
In certain embodiments, the another side of substrate 131 relative luminous elements 132 directly fits in looseWarmware 312 or fit in fixture 11. In this, substrate 131 or fixture 11 can welding or weldingEngage with radiating piece 312 etc. mode. So the heat energy that light-emitting component 132 is produced is by substrate 131Conduct to directly or indirectly on radiating piece 312, and then carry out heat by radiating piece 312 and outside airExchange and dispel the heat.
In certain embodiments, also can be by making between fixture 11 and the substrate 131 of light source module 13Closely sealed, or between fixture 11 and the substrate 131 of light source module 13 sandwiched thermal grease, and promote solidDetermine the heat conduction between part 11 and light source module 13.
In an embodiment of the present invention, utilize the phase contraposition of fixture restriction light source module and light treatment elementPut, for the coated light treatment element of conjunction and fixture, to improve the accuracy of assembling, and can reduceThe wearing and tearing of each assembly in assembling process. In addition, fixture is yielding and out-of-flatness situation can not occur,Effectively solve light in prior art easily from the problem of out-of-flatness light leak.
Although through having disclosed technology contents of the present invention with preferred embodiment, but it is not in order to limit thisInvention, is anyly familiar with this operator, is not departing from spiritual a little change and the retouching done of the present invention,All should be covered by category of the present invention, therefore protection scope of the present invention should be with the claim institute of enclosingThat defines is as the criterion.
Claims (12)
1. a light supply apparatus, comprises:
Light source module, comprises substrate and multiple light-emitting component, those light-emitting components with an intervals establishBe placed on this substrate,
Light treatment element,
Fixture, comprises a body, this body have along its length arrange for against light source moduleThe non-recess part of substrate, and at least one recessed for against light treatment element arranging along its lengthPortion, wherein this fixture is in order to limit the relative position of this light source module and this light treatment element, and this lightThe light-emitting area of source module is towards this light treatment element; And
Conjunction, transverse to length direction coated this light treatment element, this light source module and this fixture,Make together with fixture, light source module abut against with light treatment element, by light source module and light treatment elementPosition is fixed.
2. light supply apparatus as claimed in claim 1, wherein the non-recess part of this body also comprises accommodatingGroove, arranges this light source module.
3. light supply apparatus as claimed in claim 1, wherein this fixture comprises reflecting layer, in order to insteadPenetrate the light that this light source module produces.
4. light supply apparatus as claimed in claim 1, wherein 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 elastic forceFix the relative position of this light treatment element and this fixture.
6. light supply apparatus as claimed in claim 1, when wherein this conjunction is non-resilient object with justTo limit this light treatment element and this fixture in the power of light treatment element.
7. a backlight module, comprises:
Framework;
LGP; And
One as the light supply apparatus of claim 1 to 6 any one, is positioned at this framework and towards this leaded lightPlate.
8. backlight module as claimed in claim 7, wherein this framework comprises radiating piece, this light source dressOn this radiating piece.
9. backlight module as claimed in claim 8, wherein this LGP is positioned on this radiating piece.
10. backlight module as claimed in claim 8, also comprises a reflector plate, is arranged at this radiating pieceUpper and between this radiating piece and this LGP.
11. backlight modules as claimed in claim 8, wherein this radiating piece comprises locating slot, this light sourceDevice is embedded in this locating slot.
12. backlight modules as claimed in claim 8, wherein this radiating piece comprises fitting portion, this combinationPart 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 CN102798092A (en) | 2012-11-28 |
| CN102798092B true CN102798092B (en) | 2016-05-18 |
Family
ID=47197308
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| 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) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104661487B (en) * | 2013-11-20 | 2017-06-20 | 华为技术有限公司 | Optical module radiator structure and electronic product |
| CN105156945B (en) * | 2015-08-12 | 2017-11-17 | 广州创维平面显示科技有限公司 | Side entering type quantum dot backlight module and display screen |
| US11670900B2 (en) | 2019-02-05 | 2023-06-06 | Emergency Technology, Inc. | Universal smart adaptor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171991A (en) * | 2002-11-21 | 2004-06-17 | Sony Corp | Lighting system and display device |
| CN101994950A (en) * | 2009-08-10 | 2011-03-30 | 友达光电股份有限公司 | Backlight module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7572045B2 (en) * | 2002-03-28 | 2009-08-11 | Koninklijke Philips Electronics N.V. | Compact lighting system and display device |
| JP2008261959A (en) * | 2007-04-10 | 2008-10-30 | Sony Corp | Optical element wrapped body, backlight, and liquid crystal display |
| KR20110073210A (en) * | 2009-12-21 | 2011-06-29 | 엘지디스플레이 주식회사 | Backlight unit |
-
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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004171991A (en) * | 2002-11-21 | 2004-06-17 | Sony Corp | Lighting system and display device |
| CN101994950A (en) * | 2009-08-10 | 2011-03-30 | 友达光电股份有限公司 | Backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102798092A (en) | 2012-11-28 |
| TWI468805B (en) | 2015-01-11 |
| TW201344305A (en) | 2013-11-01 |
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