CN201706328U - Light source component and illuminating device and backlight module thereof - Google Patents
Light source component and illuminating device and backlight module thereof Download PDFInfo
- Publication number
- CN201706328U CN201706328U CN2010201148501U CN201020114850U CN201706328U CN 201706328 U CN201706328 U CN 201706328U CN 2010201148501 U CN2010201148501 U CN 2010201148501U CN 201020114850 U CN201020114850 U CN 201020114850U CN 201706328 U CN201706328 U CN 201706328U
- Authority
- CN
- China
- Prior art keywords
- light source
- light
- lighting device
- source assembly
- emitting diode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model relates to a light source component, which comprises a base, at least two light-emitting diode chips and at least two reflection components. The base is provided with at least two surfaces, the two light-emitting diode chips are respectively arranged on the surfaces of the base, the two reflection components are respectively arranged on opposite sides of the surfaces of the base, and included angles arranged among the reflection component and the surfaces of the base range from 5 degrees to 85 degrees. The light source component can solve the problem of uneven brightness generated by a point light source such as a light-emitting diode (LED) and reduces manufacturing cost.
Description
Technical field
The utility model relates to a kind of light source assembly, particularly a kind of light source assembly that is applied to lighting device and backlight module.
Background technology
Spot light (point light source), for example light emitting diode (LED) lamp source is compared to traditional cathode fluorescent tube (CCFL), has the technical characterictic that can utilize local control switch, therefore can show better light and shade contrast (contrast), in addition, LED lamp source has broader color saturation (color saturation), and LED lamp source can switch out and close faster, so be applied in the problem that can reduce ghost in the dynamic performance of display, moreover LED lamp source can realize more easily that display moves towards the frivolous tendency of the day.
When LED lamp source is applied in the backlight liquid crystal display module, owing between lamp source and the lamp source distance is arranged, and light emitting diode has the directive property of height, therefore can cause between lamp source and the lamp source and produce the dark space, be so-called firefly effect (hot spot), this phenomenon is even more serious when especially being applied in side type backlight module (edge type backlight module), and so phenomenon causes the picture luminance nonuniformity; In order to address the above problem, can reduce the distance between the lamp source, but so certainly will increase the number in lamp source, not only can increase the weight of manufacturing cost and display, and can cause the temperature rising in the backlight module and then produce overheated problem.
The another kind of way of industry is to install a guiding device (for example lens or reflection unit) additional in the LED lamp source top, as shown in Figure 1, lamp source 10 bright dipping Ls are after by the travel path of lens 11 reflection ray Lr with change light, install a reflecting plate again to carry out reflecting correcting for the second time and to spread this light and then the problem of reduction brightness light and shade inequality in both sides, lamp source; But so add a guiding device and need increase manufacturing cost, in addition, repeatedly Fan She phenomenon certainly will cause the loss of light source more energy, and therefore can solve brightness light and shade light emitting diode illuminating apparatus uneven and the reduction manufacturing cost simultaneously is the ardent expectation of industry institute.
Summary of the invention
Technical problem to be solved in the utility model is: have shortcoming at above prior art, a kind of light source assembly and lighting device thereof and backlight module are proposed, can solve spot light (point light source), the problem of the luminance nonuniformity that produced of light emitting diode (LED) lamp source for example, and can reduce manufacturing cost, and has the free degree in preferable space.
The technical scheme that the utility model solves above technical problem is:
A kind of light source assembly comprises that one has the pedestal at least two surfaces, at least two light-emitting diode chip for backlight unit and at least two reflection subassemblies; Light-emitting diode chip for backlight unit is separately positioned on the base-plates surface; Reflection subassembly is separately positioned on the base-plates surface opposite side, and has an angle between reflection subassembly and the base-plates surface, and angle is between 5 ° to 85 °.
A kind of lighting device of using the utility model light source assembly comprises a substrate, and a plurality ofly is arranged on light source assembly on the substrate.
A kind of backlight module of using the utility model lighting device comprises a LGP, a lighting device and a reflectance coating; Lighting device is arranged on all sides of LGP; Reflectance coating be arranged on LGP under.
A kind of backlight module of using the utility model lighting device comprises a diffuser plate, a lighting device and a reflectance coating; Lighting device is arranged on the below of diffuser plate; Reflectance coating be arranged on lighting device under.
Light source assembly of the present utility model, reflection subassembly are a plane or V-type face.The V-type mask has an angle, and angle is between 95 ° to 175 °.Pedestal can have two surfaces, comprises first surface and second surface, and first surface and second surface are parallel to each other, and first surface and described second surface are provided with a light-emitting diode chip for backlight unit respectively.Pedestal can have three surfaces, comprises first surface, second surface and the 3rd surface, and on first surface, second surface and the 3rd surface light-emitting diode chip for backlight unit is set respectively.Pedestal can also have four surfaces, comprises first surface, second surface, the 3rd surface and the 4th surface, and on first surface, second surface, the 3rd surface and the 4th surface light-emitting diode chip for backlight unit is set respectively.
That backlight module of the present utility model, the arrangement mode of lighting device comprise is arranged in a straight line, matrix is arranged, be staggered, " mouth " shape is arranged or irregular alignment.
The utility model has the advantages that: the utility model can solve spot light, the problem of the luminance nonuniformity that LED lamp source produced for example, and can reduce manufacturing cost.Lamp source position in traditional spot light generally all " lies low " and is arranged on the one-dimensional space on the substrate, and the set lamp source position of light source assembly of the present utility model is not confined to have the free degree in preferable space among the one-dimensional space.
Description of drawings
Fig. 1 is known spot light user mode figure.
Fig. 2 a is the cross-sectional view of an embodiment of the utility model light source assembly.
Fig. 2 b is the stereogram of Fig. 2 a light source assembly.
Fig. 3 is the cross-sectional view of another embodiment of the utility model light source assembly.
Fig. 4 a is the schematic diagram of another embodiment of the utility model light source assembly.
Fig. 4 b is the vertical view of Fig. 4 a light source assembly.
Fig. 5 a is the schematic diagram of another embodiment of the utility model light source assembly.
Fig. 5 b is the vertical view of Fig. 5 a light source assembly.
Fig. 6 a is the cross-sectional view of the utility model lighting device.
Fig. 6 b is the vertical view of Fig. 6 a lighting device.
Fig. 7 is the schematic diagram of an embodiment of the utility model lighting device.
Fig. 8 is the schematic diagram of another embodiment of the utility model lighting device.
Fig. 9 is the schematic diagram of another embodiment of the utility model lighting device.
Figure 10 a is the cross-sectional view of an embodiment of the utility model backlight module.
Figure 10 b is the vertical view of Figure 10 a.
Figure 11 is the schematic diagram of another embodiment of the utility model backlight module.
The specific embodiment
Fig. 2 a is the cross-sectional view of an embodiment of the utility model light source assembly.Light source assembly 21 comprises one and has the pedestal 211 of two first surface 211a parallel to each other and second surface 211b, two first surface 211a and the light-emitting diode chip for backlight unit 212 on the second surface 211b and two reflection subassemblies 213 that are arranged at pedestal 211 respectively.Except light emitting diode (LED) chip, also can use organic EL component (OLED), macromolecule EL component (PLED).The surface of above-mentioned reflection subassembly there is no particular restriction, can be smooth surface or rough surface, and rough surface can increase the scattering phenomenon of light, and then improves light homogenize effect.
Shown in Fig. 2 a, two reflection subassemblies 213 respectively are separately positioned on pedestal 211 surperficial offsides, and have between reflection subassembly 213 and pedestal 211 surfaces one between about 5 ° to about 85 ° angle theta.Reflection subassembly 213 is a plane.
Fig. 2 b is the stereogram of the light source assembly of Fig. 2 a.The pedestal 211 of light source assembly 21 has two first surface 211a parallel to each other and second surface 221b.First surface 211a and second surface 211b are provided with a light-emitting diode chip for backlight unit 212 respectively.Behind light-emitting diode chip for backlight unit 212 ejaculation light Ls, light changes the light direction of light via reflection subassembly 213 reflection ray Lr.
Fig. 3 is the cross-sectional view of another embodiment of the utility model light source assembly.Light source assembly 31 comprises a pedestal 311, two light-emitting diode chip for backlight unit 312 and two reflection subassemblies 313.As shown in Figure 3, have between reflection subassembly 313 and pedestal 311 surfaces one between about 5 ° to about 85 ° angle theta
1In the present embodiment, in order to improve the light source utilization ratio, reflection subassembly 313 is a V-type face, has a turning point p, forms a turning angle θ
2, and this V-type mask have one between about 95 ° to about 175 ° angle theta
2According to preferred embodiment of the present utility model, light-emitting diode chip for backlight unit 312 central points need between the turning point p of reflection subassembly 313 summit to the height h1 of reflection subassembly 313 bottom surfaces to reflection subassembly 313 between the height h2 of reflection subassembly 313 bottom surfaces to the height hc of reflection subassembly 313 bottom surfaces.
Fig. 4 is according to the schematic diagram of another embodiment of the utility model light source assembly and vertical view.Light source assembly 41 comprises a pedestal 411, light-emitting diode chip for backlight unit 412 and a reflection subassembly 413.As shown in Figure 4, pedestal 411 has four surperficial 411a and two and the mutually perpendicular surperficial 411b of surperficial 411a.Four surperficial 411a are provided with a light-emitting diode chip for backlight unit 412 respectively, and one of them surperficial 411b alternative is provided with light-emitting diode chip for backlight unit 412.
Fig. 5 a is the schematic diagram of another embodiment of the utility model light source assembly, and Fig. 5 b is the vertical view of Fig. 5 a light source assembly.Light source assembly 51 comprises pedestal 511, light-emitting diode chip for backlight unit 512 and reflection subassembly 513.As shown in Figure 5, pedestal 511 is a tetrahedral structure, and wherein three surfaces with reflection subassembly 513 corresponding pedestals 511 are provided with a light-emitting diode chip for backlight unit 512 respectively.
Now referring to Fig. 6 a and 6b.Comprise substrate 62 and a plurality of light source assembly 61 according to the utility model lighting device 6, wherein a plurality of light source assemblies 61 comprise a plurality of pedestals 611, a plurality of light-emitting diode chip for backlight unit 612 and a plurality of reflection subassembly 613.A plurality of light source assemblies 61 of lighting device 6 are to be arranged on the substrate 62.Now further specify running of the present utility model by Fig. 6 a.Wherein, a plurality of light source assemblies 61 on substrate 62 with equally spaced arranged in a straight line.Via after reflection subassembly 613 reflections, change into light direction Lr by the light Ls of light source assembly 61 ejaculations.Fig. 6 b is the vertical view of the lighting device 6 of Fig. 6 a.
A plurality of light source assemblies that lighting device of the present utility model comprised are not limited to above-mentioned light source assembly 61, for example can select embodiment or its combination of any light source assembly of Fig. 2 to Fig. 5.There is no particular restriction according to the arrangement mode of lighting device of the present utility model when being applied to the backlight liquid crystal display module, for example can be arranged in a straight line, matrix is arranged, be staggered, the arrangement of " mouth " shape or irregular alignment.
Fig. 7 is the schematic diagram of the embodiment of the lighting device that can be applicable to backlight module of the present utility model.As shown in Figure 7, lighting device 7 comprises a plurality of light source assemblies 71 that are arranged on the substrate 72, and wherein a plurality of light source assemblies 71 comprise a plurality of pedestals 711, a plurality of light-emitting diode chip for backlight unit 712 and a plurality of reflection subassembly 713.Wherein most light source assemblies 71 are centered on by reflection subassembly 713, and lighting device 7 is arranged with the form of matrix.
Fig. 8 is the schematic diagram that can be applicable to the embodiment of backlight module lighting device of the present utility model.Lighting device 8 comprises a plurality of light source assemblies 81 that are arranged on the substrate 82, and wherein a plurality of light source assemblies 81 comprise a plurality of pedestals 811, a plurality of light-emitting diode chip for backlight unit 812 and a plurality of reflection subassembly 813.Wherein each light source assembly 81 centers on by reflection subassembly 813 and lighting device 8 is arranged with the form of matrix.
Fig. 9 is the schematic diagram of the embodiment of the lighting device that can be applicable to backlight module of the present utility model.The lighting device 9 of this embodiment comprises the wherein a plurality of light source assemblies 91 of a plurality of light source assemblies 91 that are arranged on the substrate 92 and comprises a plurality of pedestals 911, a plurality of light-emitting diode chip for backlight unit 912 and a plurality of reflection subassembly 913.Wherein most light source assemblies 91 are centered on by reflection subassembly 913, and lighting device 9 is arranged with " mouth " shape form.
Figure 10 a and Figure 10 b are for being applied to the situation of backlight liquid crystal display module according to lighting device of the present utility model, Figure 10 b is the vertical view of the backlight module of Figure 10 a.Among Figure 10 a, backlight module 1A comprises lighting device 1A1, a LGP 1A2 and a reflectance coating 1A3, wherein the position of lighting device 1A1 there is no particular restriction, can be positioned at arbitrary position of all sides of LGP 1A2, for example can be positioned at side one side of LGP 1A2 or more than the side.Lighting device 1A1 is positioned at side one side of LGP 1A2 in the present embodiment, reflectance coating 1A3 then be arranged on LGP 1A2 under.Lr is to LGP 1A2 in lighting device 1A1 bright dipping.Lighting device 1A1 is with arranged in a straight line in the present embodiment.
Figure 11 is the schematic diagram according to another embodiment of backlight module of the present utility model.Backlight module 2A comprises a plurality of lighting device 2A1, diffuser plate 2A2 and reflectance coating 2A3.In the present embodiment, lighting device 2A1 be positioned at diffuser plate 2A2 under, reflectance coating 2A3 be arranged on lighting device 2A1 under, wherein lighting device 2A1 bright dipping is to diffuser plate 2A2.Lighting device 2A1 arranges with matrix in the present embodiment.
Backlight module of the present utility model can further comprise the blooming of one or more pieces difference in functionalitys, for example the conformity membrane of diffusion barrier, condensing film, brightness enhancement film or integration above-mentioned functions.
Employed in this article term for describing described embodiment, is not in order to limit this creation protection domain only.Say it for example, employed term " " in the specification, unless clear and definite explanation is arranged in the literary composition in addition, term " " is encompasses singular and most form.
The utility model can also have other embodiment, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.
Claims (10)
1. a light source assembly is characterized in that: comprise that one has the pedestal on two surfaces, two light-emitting diode chip for backlight unit and two reflection subassemblies at least at least at least; Described light-emitting diode chip for backlight unit is separately positioned on the described base-plates surface; Described reflection subassembly is separately positioned on described base-plates surface opposite side, and has an angle between described reflection subassembly and the described base-plates surface, and described angle is between 5 ° to 85 °.
2. light source assembly as claimed in claim 1 is characterized in that: described reflection subassembly is a plane or V-type face.
3. light source assembly as claimed in claim 2 is characterized in that: described V-type mask has an angle, and described angle is between 95 ° to 175 °.
4. light source assembly as claimed in claim 1, it is characterized in that: described pedestal has two surfaces, comprise first surface and second surface, described first surface and described second surface are parallel to each other, and described first surface and described second surface are provided with a light-emitting diode chip for backlight unit respectively.
5. light source assembly as claimed in claim 1 is characterized in that: described pedestal has three surfaces, comprises first surface, second surface and the 3rd surface, and on described first surface, second surface and the 3rd surface light-emitting diode chip for backlight unit is set respectively.
6. light source assembly as claimed in claim 1, it is characterized in that: described pedestal has four surfaces, comprise first surface, second surface, the 3rd surface and the 4th surface, and on described first surface, second surface, the 3rd surface and the 4th surface light-emitting diode chip for backlight unit is set respectively.
7. lighting device is characterized in that: comprise a substrate, and a plurality of be arranged on the described substrate as each described light source assembly in the claim 1 to 6.
8. a backlight module is characterized in that: comprise a LGP, a lighting device as claimed in claim 7 and a reflectance coating; Described lighting device is arranged on all sides of described LGP; Described reflectance coating be arranged on described LGP under.
9. a backlight module is characterized in that: comprise a diffuser plate, a lighting device as claimed in claim 7 and a reflectance coating; Described lighting device is arranged on the below of described diffuser plate; Described reflectance coating be arranged on described lighting device under.
10. backlight module as claimed in claim 8 or 9 is characterized in that: the arrangement mode of described lighting device comprise arranged in a straight line, matrix is arranged, be staggered, " mouth " shape is arranged or irregular alignment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201148501U CN201706328U (en) | 2010-01-22 | 2010-01-22 | Light source component and illuminating device and backlight module thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201148501U CN201706328U (en) | 2010-01-22 | 2010-01-22 | Light source component and illuminating device and backlight module thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706328U true CN201706328U (en) | 2011-01-12 |
Family
ID=43443486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201148501U Expired - Fee Related CN201706328U (en) | 2010-01-22 | 2010-01-22 | Light source component and illuminating device and backlight module thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201706328U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748080A (en) * | 2013-12-27 | 2015-07-01 | 群创光电股份有限公司 | Light emitting assembly, backlight module and liquid crystal display |
| CN107884992A (en) * | 2017-12-26 | 2018-04-06 | 惠州市华星光电技术有限公司 | The backlight module and display device of low cost |
| CN108895355A (en) * | 2018-08-28 | 2018-11-27 | 华南理工大学 | A kind of high light area light source, a kind of plant cultivation frame using high light area light source |
| CN108983496A (en) * | 2018-08-02 | 2018-12-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
-
2010
- 2010-01-22 CN CN2010201148501U patent/CN201706328U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748080A (en) * | 2013-12-27 | 2015-07-01 | 群创光电股份有限公司 | Light emitting assembly, backlight module and liquid crystal display |
| CN107884992A (en) * | 2017-12-26 | 2018-04-06 | 惠州市华星光电技术有限公司 | The backlight module and display device of low cost |
| WO2019127784A1 (en) * | 2017-12-26 | 2019-07-04 | 惠州市华星光电技术有限公司 | Low-cost backlight module and display apparatus |
| US10802332B2 (en) | 2017-12-26 | 2020-10-13 | Huizhou China Star Optoelectronics Technology Co., Ltd. | Low cost backlight module and display device |
| CN108983496A (en) * | 2018-08-02 | 2018-12-11 | 深圳市华星光电技术有限公司 | Backlight module and display device |
| CN108895355A (en) * | 2018-08-28 | 2018-11-27 | 华南理工大学 | A kind of high light area light source, a kind of plant cultivation frame using high light area light source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102494264B (en) | Backlight module and display device | |
| US20070001185A1 (en) | LED backlight module | |
| US9068716B2 (en) | Illumination apparatus | |
| CN101858566B (en) | Light source reflector used in backlight component and backlight component thereof | |
| CN201706328U (en) | Light source component and illuminating device and backlight module thereof | |
| CN101950083B (en) | Light-emitting diode (LED) illuminating light path for projector | |
| CN1996129B (en) | Light source device and liquid crystal display device using the same | |
| CN104566015A (en) | Quantum dot backlight module and display device | |
| US9371976B2 (en) | Illumination apparatus | |
| US20070147079A1 (en) | Backlight module with multiple light sources | |
| CN103912820A (en) | Light-emitting device and relevant display system thereof | |
| TWM466278U (en) | Thinning LED direct-type backlight module | |
| CN105706156A (en) | A lighting device | |
| CN107422528A (en) | A kind of blooming piece, backlight module and display device | |
| CN101749601A (en) | Backlight module and display with same | |
| CN104460112A (en) | Backlight, LED light bar and display device | |
| CN102141647B (en) | Light guide plate and light-emitting diode (LED) lamp containing same | |
| CN204785863U (en) | High reflectivity's advertising light boxes | |
| CN101358711A (en) | Light supply apparatus and panel display | |
| CN101403834A (en) | Backlight component | |
| KR20110107685A (en) | Reflection sheet for led source back light unit | |
| US9910209B2 (en) | Backlight module, display module and display device | |
| KR20080080975A (en) | Led backlight module | |
| KR101824035B1 (en) | backlight unit and display apparatus using the same | |
| CN105937749A (en) | Light distribution element, light source assembly and lighting equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20120122 |