CN102116441A - Backlight module and light source component thereof - Google Patents
Backlight module and light source component thereof Download PDFInfo
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- CN102116441A CN102116441A CN2010100032930A CN201010003293A CN102116441A CN 102116441 A CN102116441 A CN 102116441A CN 2010100032930 A CN2010100032930 A CN 2010100032930A CN 201010003293 A CN201010003293 A CN 201010003293A CN 102116441 A CN102116441 A CN 102116441A
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- light source
- light
- source assembly
- lay
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Abstract
The invention discloses a backlight module and a light source component thereof. The light source component comprises a frame type area and at least two light emitting devices, wherein the light emitting devices are located on the periphery of the frame type area and include one light emitting component and one optical component, and the optical component is arranged on the light emitting component; the frame type area has a geometric center, and the optical component is provided with at least one light arranging structure which faces to the geometric center. The backlight module comprises a plurality of optical films, the light source component and a framework set, wherein the light source component is arranged below the optical films, and the framework set is used for accommodating the plurality of optical films and the light source component. When the structure is adopted, the problem of excessive light emission produced in the whole light emitting area can be avoided, and the light emission quantity of the whole light emitting area can be more uniform.
Description
Technical field
The invention relates to a kind of light source assembly, particularly about a kind of light source assembly with lay the grain structure, the aforementioned lights source component is applicable in the module backlight.
Background technology
No matter be at present light emitting diode (LED) or cold-cathode tube (CCFL) in the life or the application of industry, its luminous brightness all can meet the demand on the market.Yet the light-emitting zone that light emitting diode (LED) or cold-cathode tube (CCFL) are produced exists some privileged site always and has luminous excessive problem.
Summary of the invention
The object of the present invention is to provide a kind of module backlight and light source assembly thereof, to solve the luminous excessive problem of some privileged site of light-emitting zone that luminescence component produces in the prior art.
According to purpose of the present invention, a kind of light source assembly is proposed, it comprises frame type zone and at least two light-emitting devices.Two light-emitting devices all are positioned at the periphery in this frame type zone.Light-emitting device comprises a luminescence component and an optical module, and optical module is arranged on the luminescence component.Wherein, above-mentioned frame type zone has a geometric center, and optical module is provided with at least one lay the grain structure, and the lay the grain structural plane is to geometric center.
Further, described light-emitting device becomes a polygon to arrange, and light-emitting device is positioned at polygonal end points.
Further, described polygon is triangle, quadrangle, pentagon, hexagon, heptagon or octagon.
Further, described lay the grain structure is arranged at the periphery of optical module.
Further, the position of described lay the grain structure has an elevation angle with respect to the center of luminescence component, and the described elevation angle is between 0～90 degree.
Further, the described elevation angle is 45 degree.
Further, described lay the grain structure can be groove, indentation, particulate or reflector plate, allows the geometric center in whole frame type zone to reach by this, does not have luminous excessive problem, in other words, can allow more homogenising of whole frame type zone luminous quantity.
Further, described luminescence component comprises at least one light emitting diode or at least one cold-cathode tube.
Further, described luminescence component applies in the module backlight.
According to purpose of the present invention, a kind of module backlight is more proposed, it comprises a plurality of blooming pieces, a light source assembly and a frame set.This light source assembly is arranged at the below of blooming piece, and frame set is in order to ccontaining a plurality of blooming pieces and light source assembly.Light source assembly comprises frame type zone and at least two light-emitting devices, and two light-emitting devices are positioned at the periphery in frame type zone, and light-emitting device comprises a luminescence component and an optical module, and optical module is arranged on the luminescence component; Wherein, frame type zone definitions has a geometric center, and optical module is provided with at least one lay the grain structure, and the lay the grain structural plane is to geometric center.
From the above, because of complying with light source assembly of the present invention and module backlight, it can have one or more following advantage:
(1) this light source assembly and module backlight can avoid whole light-emitting zone to produce luminous excessive problem.
(2) this light source assembly and module backlight allow the luminous quantity homogenising more of whole light-emitting zone.
Description of drawings
Figure 1A is the schematic top plan view of the light source assembly of one embodiment of the invention;
Figure 1B is the schematic side view along the light source assembly of the A-A direction of Figure 1A;
Fig. 1 C is the schematic top plan view of the light source assembly of another embodiment of the present invention;
Fig. 2 A is the schematic top plan view of the light source assembly of another embodiment of the present invention;
Fig. 2 B is the schematic side view along the light source assembly of the B-B direction of Fig. 2 A;
Fig. 2 C is the schematic top plan view of embodiment of the light source assembly of another embodiment of the present invention;
Fig. 3 A is the schematic top plan view of the light source assembly of another embodiment of the present invention;
Fig. 3 B is the schematic top plan view of the light source assembly of another embodiment of the present invention;
Fig. 4 is the schematic side view of part of the present invention module backlight.
[primary clustering symbol description]
10,30,50: light source assembly 100: frame type zone
101: geometric center 200: light-emitting device
210: luminescence component 220: optical module
221: lay the grain structure 300: frame type zone
301: geometric center 400: light-emitting device
410: luminescence component 420: optical module
421: lay the grain structure 500: frame type zone
501: geometric center 600: light-emitting device
610: luminescence component 620: optical module
621: lay the grain structure 700: light source assembly
800: blooming piece 900: frame set
1000: module θ backlight: the elevation angle
The specific embodiment
See also Figure 1A and Figure 1B, Figure 1A is the schematic top plan view of the light source assembly of one embodiment of the invention, and Figure 1B is the schematic side view along the light source assembly of the A-A direction of Figure 1A.Light source assembly 10 of the present invention comprises frame type zone 100 and two light-emitting devices 200.Two light-emitting devices 200 are positioned on the two corresponding peripheries in this frame type zone 100.Light-emitting device 200 comprises a luminescence component 210 and an optical module 220, and wherein optical module 220 is arranged on the top of luminescence component 210.In addition, luminescence component 210 comprises at least one light emitting diode (LED) or at least one cold-cathode tube (CCFL).With present embodiment, this luminescence component 210 comprises a cold-cathode tube (CCFL).
Wherein, 100 definition of above-mentioned frame type zone have a geometric center 101, optical module 220 then is provided with at least one lay the grain structure 221 in its periphery, and lay the grain structure 221 is towards geometric center 101, wherein, the position of lay the grain structure 221 has an elevation angle theta with respect to the center of luminescence component 210, with present embodiment, about 45 degree in its elevation angle, but not as limit, when frame type area size difference, the optical module difference, it is different that the light source setting on an equal basis all can not influence the residing elevation angle theta of lay the grain structure, and with lay the grain structure of the present invention, above-mentioned elevation angle theta can be between about 0～90 degree.
And lay the grain structure 221 can be groove, indentation, particulate or reflector plate etc., produces luminous excessive problem with the geometric center 101 of avoiding whole frame type zone 100 by this.In other words, can allow more homogenising of whole frame type zone 100 luminous quantities.Wherein, lay the grain structure 221 is not exceeded in the above-mentioned mode of mentioning, every structure or material that has turnover, absorbs, weakens for light can make luminenscence homogenization in the frame type zone, is all the category of lay the grain structure of the present invention.
See also Fig. 1 C in addition, it is the schematic top plan view of the light source assembly of another embodiment of the present invention.Fig. 1 C shows from individual light source assembly 10 shown in Figure 1A, and regularly arranged, meeting different industrial requirements, as: apply to module backlight.
What specify is, the light source assembly of any enforcement aspect of the present invention not only can apply to also can use device, equipment or the application of other light uniformization as in the module backlight, but not as limit.
And, that frame type of the present invention zone is not limited to is square, rectangle, triangle, quadrangle, pentagon, hexagon, heptagon, octagon etc., also can be circle, ellipse ... etc. regular shape, very cause and can be an erose polygon, annular etc.
See also Fig. 2 A and Fig. 2 B, Fig. 2 A is the schematic top plan view of the light source assembly of another embodiment of the present invention, and Fig. 2 B is the schematic side view along the light source assembly of the B-B direction of Fig. 2 A.Shown in Fig. 2 A, this light source assembly 30 comprises frame type zone 300 and two light-emitting devices 400.Two light-emitting devices 400 are positioned on the two corresponding peripheries in this frame type zone 300.Light-emitting device 400 comprises a luminescence component 410 and an optical module 420, and wherein optical module 420 is arranged on the top of luminescence component 410.In addition, luminescence component 410 comprises at least one light emitting diode (LED) or at least one cold-cathode tube (CCFL).With present embodiment, this luminescence component 410 comprises a light emitting diode (LED).
Wherein, 300 definition of above-mentioned frame type zone have a geometric center 301, optical module 420 then is provided with at least one lay the grain structure 421 in its periphery, and lay the grain structure 421 is towards geometric center 301, wherein, the position of lay the grain structure 421 has an elevation angle theta with respect to the center of luminescence component 410, with present embodiment, about 45 degree in its elevation angle, but not as limit, when frame type area size difference, the optical module difference, it is different that the light source setting on an equal basis all can not influence the residing elevation angle theta of lay the grain structure, and with lay the grain structure of the present invention, above-mentioned elevation angle theta can be between about 0～90 degree.
And lay the grain structure 421 can be groove, indentation, particulate or reflector plate, produces luminous excessive problem with the geometric center 301 of avoiding whole frame type zone 300 by this.In other words, can allow more homogenising of whole frame type zone 300 luminous quantities.Wherein, the lay the grain structure is not exceeded in the above-mentioned mode of mentioning, structure or the material that has turnover, absorbs, weakens for light can make luminenscence homogenization in the frame type zone such as, is all the category of lay the grain structure of the present invention.
In addition, see also Fig. 2 C, it is the schematic top plan view of the embodiment of the light source assembly of another embodiment of the present invention.It is also regularly arranged that Fig. 2 C shows a plurality of light source assemblies 30 shown in Fig. 2 A, to meet different industrial requirements, as: apply to module backlight, particularly can be considered LED optical strip (LEDlight bar) applies in the module backlight of side-light type, in addition, also can apply in the down straight aphototropism mode set.
See also Fig. 3 A, it is the schematic top plan view of the light source assembly of another embodiment of the present invention.As shown in Figure 3A, this light source assembly 50 comprises 500 and four light-emitting devices 600 in frame type zone, and four light-emitting devices 600 are positioned on the periphery in this frame type zone 500.Four light-emitting device 600 quadrangularlies are arranged, and these four light-emitting devices 600 are positioned at tetragonal end points.In addition, light source assembly of the present invention more can comprise five, six, seven, the light-emitting device more than eight or eight, and these light-emitting devices can form the above polygon of triangle, quadrangle, pentagon, hexagon, heptagon, octagon or octagon, and these light-emitting devices are positioned on the polygonal end points.
Above-mentioned light-emitting device 600 comprises a luminescence component 610 and an optical module 620.Optical module 620 is arranged on the luminescence component 610.Luminescence component 610 comprises at least one light emitting diode (LED) or at least one cold-cathode tube (CCFL).With present embodiment, this luminescence component 610 comprises a light emitting diode (LED).
Wherein, 500 definition of above-mentioned frame type zone have a geometric center 501, optical module 620 then is provided with at least one lay the grain structure 621 in its periphery, and lay the grain structure 621 is towards geometric center 501, wherein, the position of lay the grain structure 621 has an elevation angle theta with respect to the center of luminescence component 610, with present embodiment, about 45 degree in its elevation angle, but not as limit, when frame type area size difference, the optical module difference, it is different that the light source setting on an equal basis all can not influence the residing elevation angle theta of lay the grain structure, and with lay the grain structure of the present invention, above-mentioned elevation angle theta can be between about 0～90 degree.
And lay the grain structure 621 can be groove, indentation, particulate or reflector plate etc., produces luminous excessive problem with the geometric center 501 of avoiding whole frame type zone 500 by this.In other words, can allow more homogenising of whole frame type zone 500 luminous quantities.Wherein, the lay the grain structure is not exceeded in the above-mentioned mode of mentioning, structure or the material that has turnover, absorbs, weakens for light can make luminenscence homogenization in the frame type zone such as, is all the category of lay the grain structure of the present invention.
In addition, see also Fig. 3 B, it is the schematic top plan view of the light source assembly of another embodiment of the present invention.Fig. 3 B shows a plurality of light source assemblies 50 as shown in Figure 3A, and regularly arranged, meeting different industrial requirements, as: apply to module backlight, particularly apply in the down straight aphototropism mode set.
See also Fig. 4, it is the schematic side view of part of the present invention module backlight.As shown in Figure 4, this module 1000 backlight comprises a plurality of blooming pieces 800, a plurality of light source assembly 700 and a frame set 900.This light source assembly 700 is arranged at the below of blooming piece 800, and frame set 900 is in order to ccontaining above-mentioned a plurality of blooming pieces 800 and a plurality of light source assembly 700.In addition, light source assembly 700 can be aforementioned mentioned light source assembly, as, the light source assembly shown in Fig. 3 A.
What specify is, the lay the grain structural plane of optical module of the present invention is to this geometric center, wherein, " towards " the lay the grain structure that means optical module is adjacent to geometric center, to solve the bright excessively problem of geometric center.In addition, the lay the grain structure also not only is confined to be arranged at the periphery of optical module, the opening part that also can be arranged at optical module is (not shown, that is optical module is in order to be provided with the luminescence component place) inner ring surface, also can be provided with and see through as the laser processing procedure, the lay the grain structure is arranged among the optical module (not shown, that is, as: between above-mentioned periphery and inner ring surface).
The above only is the preferred embodiments of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive; It will be appreciated by those skilled in the art that in the spirit and scope that limit in claim of the present invention and can carry out many changes, revise it, even the equivalence change, but all will fall within the scope of protection of the present invention.
Claims (10)
1. light source assembly, it is characterized in that: it comprises at least:
One frame type zone; And
At least two light-emitting devices, described light-emitting device are positioned at the periphery in described frame type zone, and described light-emitting device comprises a luminescence component and an optical module, and described optical module is arranged on the described luminescence component;
Wherein, described frame type zone definitions has a geometric center, and described optical module is provided with at least one lay the grain structure, and described lay the grain structural plane is to described geometric center.
2. light source assembly as claimed in claim 1 is characterized in that: described light-emitting device becomes a polygon to arrange, and described light-emitting device is positioned at described polygonal end points.
3. light source assembly as claimed in claim 2 is characterized in that: described polygon is triangle, quadrangle, pentagon, hexagon, heptagon or octagon.
4. light source assembly as claimed in claim 1 is characterized in that: described lay the grain structure is arranged at the periphery of described optical module.
5. light source assembly as claimed in claim 1 is characterized in that: the position of described lay the grain structure has an elevation angle with respect to the center of described luminescence component, and the described elevation angle is between 0～90 degree.
6. light source assembly as claimed in claim 5 is characterized in that: the described elevation angle is 45 degree.
7. light source assembly as claimed in claim 1 is characterized in that: described lay the grain structure is groove, indentation, particulate or reflector plate.
8. light source assembly as claimed in claim 1 is characterized in that: described luminescence component comprises at least one light emitting diode or at least one cold-cathode tube.
9. light source assembly as claimed in claim 1 is characterized in that: described luminescence component applies in the module backlight.
10. module backlight, it is characterized in that: it comprises a plurality of blooming pieces, a light source assembly and a frame set in order to ccontaining described a plurality of blooming pieces and light source assembly at least; Described light source assembly is arranged at the below of described a plurality of blooming pieces, and described light source assembly comprises:
One frame type zone; And
At least two light-emitting devices, described light-emitting device are positioned at the periphery in described frame type zone, and described light-emitting device comprises a luminescence component and an optical module, and described optical module is arranged on the described luminescence component;
Wherein, described frame type zone definitions has a geometric center, and described optical module is provided with at least one lay the grain structure, and described lay the grain structural plane is to described geometric center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100032930A CN102116441A (en) | 2010-01-06 | 2010-01-06 | Backlight module and light source component thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100032930A CN102116441A (en) | 2010-01-06 | 2010-01-06 | Backlight module and light source component thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102116441A true CN102116441A (en) | 2011-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100032930A Pending CN102116441A (en) | 2010-01-06 | 2010-01-06 | Backlight module and light source component thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009022316A2 (en) * | 2007-08-16 | 2009-02-19 | Koninklijke Philips Electronics N.V. | Optical element coupled to low profile side emitting led |
| CN101373223A (en) * | 2007-08-20 | 2009-02-25 | 香港应用科技研究院有限公司 | Optical element and backlight module including the same |
-
2010
- 2010-01-06 CN CN2010100032930A patent/CN102116441A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009022316A2 (en) * | 2007-08-16 | 2009-02-19 | Koninklijke Philips Electronics N.V. | Optical element coupled to low profile side emitting led |
| CN101373223A (en) * | 2007-08-20 | 2009-02-25 | 香港应用科技研究院有限公司 | Optical element and backlight module including the same |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Tainan City, Taiwan, China Applicant after: Chi Lin Optoelectronics Co., Ltd. Address before: The victory China Rende Township Xintian village Taiwan Tainan Street No. 18 Applicant before: Chi Lin Technology Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: CHI LIN TECHNOLOGY CO., LTD. TO: QILING PHOTOELECTRIC CO., LTD. |
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Application publication date: 20110706 |