CN103104857A - Light source module - Google Patents
Light source module Download PDFInfo
- Publication number
- CN103104857A CN103104857A CN2011103639808A CN201110363980A CN103104857A CN 103104857 A CN103104857 A CN 103104857A CN 2011103639808 A CN2011103639808 A CN 2011103639808A CN 201110363980 A CN201110363980 A CN 201110363980A CN 103104857 A CN103104857 A CN 103104857A
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- China
- Prior art keywords
- light source
- perforation
- substrate
- support plate
- source module
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- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
A light source module comprises a support plate, a light source assembly and at least one fixing assembly. The support plate is provided with at least one first through hole, and the light source assembly comprises a substrate and at least one light source. The substrate is arranged on the support plate, and the light source is arranged on the substrate. The substrate is provided with at least one second through hole corresponding to the at least one first through hole, and the first through hole is communicated with the second through hole. Each fixing assembly comprises a fixing pin and a clamping piece. Each fixing pin is provided with a columnar portion and a bottom portion connected with a first end of the columnar portion, and the columnar portion penetrates through the corresponding first through hole and the second through hole. The clamping piece clamps the columnar portion and is close to a second end, opposite to the first end, of the columnar portion, one of the clamping piece and the bottom portion abuts against the support plate, and the other of the clamping piece and the bottom portion abuts against the substrate. In the light source module, due to the fact that the fixing assembly is utilized to replace a screw used in the prior art, so various defects caused by screw locking can be avoided.
Description
[technical field]
The present invention relates to a kind of light source module, and particularly relate to a kind of light source module that can be applied to display unit.
[background technology]
Backlight module is applied in the display unit of using non-light-emitting display panel (as display panels), to provide non-light-emitting display panel required display light source.Fixed form relevant for the backlight module light source has been exposed in many pieces of patent documents, as patent documents such as TaiWan, China patent publication No. 200825538 and 201007276, TaiWan, China patent announcement I269105, U.S. Patent Publication No. 20080186425 and United States Patent (USP) notification numbers 7273295.
Fig. 1 is the generalized section of existing a kind of side injection type backlight module, and Fig. 2 is the schematic perspective view of light source and substrate in Fig. 1.Please refer to Fig. 1 and Fig. 2, existing side injection type backlight module 100 comprises a light source 110, a substrate 120, a backboard 130 and a LGP 140.Light source 110 is fixed on the sidewall 122 of substrate 120, and the diapire 124 of substrate 120 is fixed on backboard 130.Light source 110 comprises circuit board 112 and is disposed at a plurality of light emitting diodes 114 on circuit board 112, and light emitting diode 114 is relative with the incidence surface 142 of LGP 140, to provide light to LGP 140.
Above-mentioned circuit board 112 is provided with locking hole 113, and the sidewall 122 of substrate 120 also is provided with another screw (not shown) corresponding with locking hole 113, so can circuit board 112 be attached on the sidewall 122 of substrate 120 by spiral shell 150.
Yet, when carrying out screw locking, easily because careless manipulation makes circuit board 112 surfaces by screw 150 scratches or scratch, cause circuit board 112 that electric bad situations occur, reduce and produce yield.In addition, the mode of this screw 150 lockings need expend the more time in the action that locks screw 150, so that reduced the production efficiency of backlight module 100.And, when needs re-assembly circuit board 112 and substrate 120, also need spend many time dismounting spiral shells 150.In addition, screw 150 or circuit board 112 may produce sliding tooth and need to change new product with the screw of substrate 120, so expend production cost.
[summary of the invention]
The invention provides a kind of light source module, with the various shortcomings of avoiding the screw locking to be caused.
Other purposes of the present invention and advantage can be further understood from the disclosed technical characterictic of the present invention.
For reaching one of above-mentioned or part or all purposes or other purposes, one embodiment of the invention propose a kind of light source module, comprise a support plate, a light source assembly and at least one fixation kit.Support plate has at least one the first perforation, and light source assembly comprises a substrate and at least one light source.Substrate is configured on support plate, and light source is configured on substrate.Substrate is provided with at least one second perforation corresponding with at least one the first perforation, and the first perforation communicates with the second perforation.Each fixation kit comprises a steady pin and a holder.Corresponding the first perforation and the second perforation are passed in the bottom that steady pin has a cylindrical portion and connects a first end of cylindrical portion, cylindrical portion.Holder clamping cylindrical portion, and one second end relative with first end of contiguous cylindrical portion, wherein holder and bottom one of them abut against support plate, wherein another abuts against substrate for holder and bottom.
In one embodiment of this invention, above-mentioned cylindrical portion has a converging transition that phases down towards the direction of the second end, the second end is the end of converging transition, and steady pin also comprises a head that is connected in the second end, head has a bottom surface that is connected in the second end, and holder is held on converging transition, and holder also abuts against the bottom surface.
In one embodiment of this invention, the diameter of above-mentioned head is less than the aperture of the first perforation and the second perforation.
In one embodiment of this invention, above-mentioned holder comprises a hollow base and from the extended a plurality of elasticity jaws of hollow base.Hollow base be inserted in converging transition and be resisted against support plate or substrate on, and elasticity jaw clamping converging transition, an and end of each elasticity jaw abuts against the bottom surface of head.
In one embodiment of this invention, above-mentioned support plate is a heat sink.
In one embodiment of this invention, above-mentioned light source module also comprises a backboard, and support plate is fixed on backboard.
In one embodiment of this invention, above-mentioned support plate has a sidewall that is fixed on the diapire on backboard and is connected in diapire, and the first perforation is configured in sidewall.
In one embodiment of this invention, above-mentioned substrate is circuit board, and light source is spot light.
In light source module of the present invention, because replacing the screw that prior art is used with fixation kit, thus the various shortcomings that can avoid the screw locking to cause, and then improve production yield and the production efficiency of light source module and reduce production costs.
For above and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below.
[description of drawings]
Fig. 1 is the generalized section of existing a kind of side injection type backlight module.
Fig. 2 is the schematic perspective view of light source and substrate in Fig. 1.
Fig. 3 is the generalized section of a kind of light source module of one embodiment of the invention.
Fig. 4 is the perspective exploded view of fixation kit in Fig. 3.
Fig. 5 is the generalized section of a kind of light source module of another embodiment of the present invention.
Fig. 6 is as the generalized section of the light source module of backlight module in one embodiment of the invention
100: the side injection type backlight module
110: light source
112: circuit board
113: locking hole
114: light emitting diode
120: substrate
122: sidewall
124: diapire
130: backboard
140: LGP
142: incidence surface
150: screw
200,200 ': the light source module
210,210 ': support plate
212: the first perforations
213: diapire
214: sidewall
220: light source assembly
222: substrate
223: the second perforations
224: light source
230: backboard
240: LGP
242: incidence surface
300: fixation kit
310: steady pin
311: cylindrical portion
312: first end
313: the bottom
314: the second ends
315: converging transition
316: head
317: the bottom surface
318: end face
320: holder
322: hollow base
324: the elasticity jaw
[specific embodiment]
About aforementioned and other technology contents, characteristics and effect of the present invention, in the following detailed description that coordinates with reference to one of graphic preferred embodiment, can clearly present.The direction term of mentioning in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings.Therefore, the direction term of use is to illustrate not to be to limit the present invention.
Fig. 3 is the generalized section of a kind of light source module of one embodiment of the invention, and Fig. 4 is the perspective exploded view of fixation kit in Fig. 3.Please refer to Fig. 3 and Fig. 4, the light source module 200 of the present embodiment comprises a support plate 210, a light source assembly 220 and at least one fixation kit 300.Support plate 210 has at least one the first perforation 212, and the present embodiment is take two the first perforations 212 as example.Light source assembly 220 comprises a substrate 222 and at least one light source 224, and the present embodiment is take a plurality of light sources 224 as example.Substrate 222 is configured on support plate 210, and substrate 222 is provided with at least one second perforation 223 corresponding with the first perforation 212, that is the quantity of the first perforation 212 is identical with the quantity of the second perforation 223, and the first perforation 212 communicates with the second perforation 223.Light source 224 is configured on substrate 222, and the substrate 222 of the present embodiment is for example circuit board, and light source 224 is for example spot light, and as light emitting diode or laser diode etc., but the present invention does not limit the kind of light source.For instance, in another embodiment, also available fluorescent tube (as cathode fluorescent tube) is as light source, and the substrate of light source assembly has tube rack.
In the present embodiment, the quantity of fixation kit 300 is for example identical with the quantity of the first perforation 212, so also the quantity with the second perforation 223 is identical for the quantity of fixation kit 300.Each fixation kit 300 comprises a steady pin 310 and a holder 320.Corresponding the first perforation 212 and the second perforation 223 are passed in the bottom 313 that steady pin 310 has a cylindrical portion 311 and connects a first end 312 of cylindrical portion 311, cylindrical portion 311.Holder 320 clamping cylindrical portion 311, and one second end 314 relative with first end 312 of contiguous cylindrical portion 311, wherein the bottom 313 of holder 320 and steady pin 310 one of them abut against support plate 210, wherein another abuts against substrate 222 in the bottom 313 of holder 320 and steady pin 310.In more detail, when being fixed on light source assembly 220 on support plate 210 by steady pin 310, can first the second end 314 of steady pin 310 sequentially be passed the second perforation 223 and first perforation 212 of correspondence, grip again afterwards the second end 314 of pin 310 by holder 320.So, the bottom 313 of steady pin 310 namely abuts against substrate 222, and holder 320 abuts against support plate 210.In another embodiment shown in Figure 5, when being fixed on light source assembly 220 on support plate 210 by steady pin 310, also can first the second end 314 of steady pin 310 sequentially be passed the first perforation 212 and second perforation 223 of correspondence, grip again afterwards the second end 314 of pin 310 by holder 320.So, the bottom 313 of steady pin 310 namely abuts against support plate 210, and holder 320 abuts against substrate 222.
Referring again to Fig. 3 and Fig. 4, above-mentioned cylindrical portion 311 for example has a converging transition 315 that phases down towards the direction of the second end 314, and the second end 314 is the end of converging transition 315.Steady pin 310 also can comprise a head 316 that is connected in the second end 314, and head 316 has a bottom surface 317 that is connected in the second end 314, and holder 320 is held on converging transition 315, and holder 320 also abuts against bottom surface 317.The bottom surface 317 of this head 316 can for holder 320 against, and then fixation kit 300 can be combined closely substrate 222 and support plate 210.In the present embodiment, head 316 is for example 317 to be tapered to an end face 318 relative with bottom surface 317 from the bottom surface, but the present invention does not limit the shape of head 316.In addition, in order to allow cylindrical portion 311 and head 316 smooth and easy the first perforation 212 and the second perforations 223 of passing through of energy, the diameter of cylindrical portion 311 and head 316 is for example the aperture less than the first perforation 212 and the second perforation 223.
Above-mentioned holder 320 for example comprises a hollow base 322 and from the extended a plurality of elasticity jaws 324 of hollow base 322.Hollow base 322 be inserted in converging transition 315 and be resisted against support plate 210 or substrate 222 on.Particularly, as shown in Figure 3, when the bottom 313 of steady pin 310 abutted against substrate 222, the hollow base 322 of holder 320 abutted against support plate 210; As shown in Figure 5, when the bottom 313 of steady pin 310 abutted against support plate 210, the hollow base 322 of holder 320 abutted against substrate 222.In addition, elasticity jaw 324 is in order to clamping converging transition 315, and an end of each elasticity jaw 324 is resisted against the bottom surface 317 of the head 316 of steady pin 310.It should be noted that, the present embodiment does not limit the concrete structure of holder 320, as long as it can be held on the second end 314 of steady pin 310.
In the light source module 200 of the present embodiment, because being fixed on support plate 210 by the substrate 222 of fixation kit 300 with light source assembly 220, so when assembling, only need the cylindrical portion 311 of steady pin 310 is passed the first perforation 212 and the second perforation 223, the second end 314 that then again holder 320 is held on steady pin 310 gets final product.The mode that the screw that uses compared to prior art locks, the light source module 200 of the present embodiment can be saved the time-consuming screw that locks and move when producing, and then promote the production efficiency of light source module 200.In addition, steady pin 310 can be selected soft materials (as plastic cement), avoiding careless scratch or scratch substrate 222, and then promote to produce yield.In addition, holder 320 also can be selected soft materials (as plastic cement), when steady pin 310 is inserted in holder 320, the head 316 of steady pin 310 backs down elasticity jaw 324, then elasticity jaw 324 elastically deformables restore to the original state, the hollow base 322 of holder 320 abuts against substrate 222, and elasticity jaw 324 is in order to clamping converging transition 315.In addition, this mode that substrate 222 is fixed on support plate 210 with fixation kit 300 also can be avoided the problem of the sliding tooth of screw or screw, and fixation kit 300 also has the dismounting of being easy to, so that the advantage that re-assemblies.In addition, the hole wall of the first perforation 212 and the second perforation 223 need not arrange screw thread, so can further save cost.
It is worth mentioning that, in the present embodiment, support plate 210 can select the better material of thermal diffusivity to make, and so support plate 210 can be used as heat sink, to help light source assembly 220 heat radiations.
The light source module 200 of the present embodiment can be applicable in display unit as backlight module, and providing non-light-emitting display panel (as display panels) required display light source, but the present invention does not limit the application of light source module 200.
Fig. 6 is as the generalized section of the light source module of backlight module in one embodiment of the invention.Please refer to Fig. 6, the light source module 200 ' of the present embodiment is similar to above-mentioned light source module 200, below describes for its difference place.In the present embodiment, the sidewall 214 that the support plate 210 ' of light source module 200 ' has diapire 213 and is connected in diapire 213, and the first perforation 212 of support plate 210 ' is configured on sidewall 214, that is light source assembly 220 is that the assembly 300 that is fixed is fixed on sidewall 214.The light source (not shown) of light source assembly 220 is relative with the incidence surface 242 of LGP 240, to provide light to LGP 240.In addition, light source module 200 ' also can comprise a backboard 230, and the diapire 213 of support plate 210 ' is to be fixed on backboard 230.Backboard 230 is the parts that can be used for doing with the front frame of display unit combination.In another embodiment, support plate can be directly as backboard.In addition, although the light source module 200 ' of Fig. 6 is take the side injection type backlight module as example, light source module of the present invention also can be used as down straight aphototropism mode set.
In sum, light source module of the present invention is because being fixed on light source assembly on support plate with fixation kit, so the various shortcomings that can avoid using the mode of screw locking to cause, and then improve production yield and the production efficiency of light source module and reduce production costs.
The above, it is only preferred embodiment of the present invention, can not limit scope of the invention process with this, i.e. every simple equivalence of doing according to claim of the present invention and invention description content changes and modifies, and all still belongs in the scope that patent of the present invention contains.In addition, arbitrary embodiment of the present invention or claim must not reached the disclosed whole purposes of the present invention or advantage or characteristics.In addition, summary part and denomination of invention are only the use of auxiliary patent document search, are not the interest field that limits the present invention.In addition, the terms such as " first " mentioned in this specification or claims, " second " are only in order to the title of naming element (element) or distinguish different embodiment or scope, and are not the quantitative upper limit of limiting element or lower limit.
Claims (8)
1. light source module comprises:
One support plate has at least one the first perforation;
One light source assembly comprises:
One substrate is configured on this support plate, and this substrate is provided with at least one second perforation corresponding with this at least one the first perforation, and this first perforation communicates with this second perforation;
At least one light source is configured on this substrate;
At least one fixation kit, wherein each fixation kit comprises:
One steady pin, a bottom that has a cylindrical portion and connect a first end of this cylindrical portion, this cylindrical portion is passed corresponding this first perforation and this second perforation; And
One holder, this cylindrical portion of clamping, and one second end relative with this first end of contiguous this cylindrical portion, wherein this holder and this bottom one of them abut against this support plate, wherein another abuts against this substrate for this holder and this bottom.
2. light source module as claimed in claim 1, wherein this cylindrical portion has a converging transition that phases down towards the direction of this second end, this the second end is the end of this converging transition, this steady pin also comprises a head that is connected in this second end, this head has a bottom surface that is connected in this second end, this holder is held on this converging transition, and this holder also abuts against this bottom surface.
3. light source module as claimed in claim 2, wherein the diameter of this head is less than the aperture of this first perforation and this second perforation.
4. light source module as claimed in claim 2, wherein this holder comprises a hollow base and from the extended a plurality of elasticity jaws of this hollow base, this hollow base is inserted in this converging transition and abuts against this support plate or this substrate, and those these converging transitions of elasticity jaw clamping, and an end of each elasticity jaw abuts against this bottom surface of this head.
5. light source module as claimed in claim 1, wherein this support plate is a heat sink.
6. light source module as claimed in claim 5, wherein also comprise a backboard, and this support plate is fixed on this backboard.
7. light source module as claimed in claim 6, wherein this support plate has a sidewall that is fixed on the diapire on this backboard and is connected in this diapire, and this first perforation is configured on this sidewall.
8. light source module as claimed in claim 1, wherein this substrate is circuit board, and this light source is spot light.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103639808A CN103104857A (en) | 2011-11-11 | 2011-11-11 | Light source module |
| TW101132369A TW201319695A (en) | 2011-11-11 | 2012-09-05 | Light source module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103639808A CN103104857A (en) | 2011-11-11 | 2011-11-11 | Light source module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103104857A true CN103104857A (en) | 2013-05-15 |
Family
ID=48312934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103639808A Pending CN103104857A (en) | 2011-11-11 | 2011-11-11 | Light source module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103104857A (en) |
| TW (1) | TW201319695A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388806A (en) * | 2013-07-19 | 2013-11-13 | 瑞仪光电(苏州)有限公司 | Fixing element, light source module and assembly method of light source module |
| US9394933B2 (en) | 2013-07-19 | 2016-07-19 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Fastener, light source module, and method of assembling a light source module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090051996A1 (en) * | 2007-08-23 | 2009-02-26 | Kabushiki Kaisha Toshiba | Optical beam scanning apparatus and image forming apparatus |
| US20100129116A1 (en) * | 2008-11-25 | 2010-05-27 | Ricoh Company, Ltd. | Light projecting device, image reading device including same, and image forming apparatus including the image reading device |
| CN101725924A (en) * | 2008-10-28 | 2010-06-09 | 奇美电子股份有限公司 | Backlight module, display device and assembly method thereof |
| CN102147082A (en) * | 2010-01-15 | 2011-08-10 | 友达光电股份有限公司 | Backlight module and light source device thereof |
-
2011
- 2011-11-11 CN CN2011103639808A patent/CN103104857A/en active Pending
-
2012
- 2012-09-05 TW TW101132369A patent/TW201319695A/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090051996A1 (en) * | 2007-08-23 | 2009-02-26 | Kabushiki Kaisha Toshiba | Optical beam scanning apparatus and image forming apparatus |
| CN101725924A (en) * | 2008-10-28 | 2010-06-09 | 奇美电子股份有限公司 | Backlight module, display device and assembly method thereof |
| US20100129116A1 (en) * | 2008-11-25 | 2010-05-27 | Ricoh Company, Ltd. | Light projecting device, image reading device including same, and image forming apparatus including the image reading device |
| CN102147082A (en) * | 2010-01-15 | 2011-08-10 | 友达光电股份有限公司 | Backlight module and light source device thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103388806A (en) * | 2013-07-19 | 2013-11-13 | 瑞仪光电(苏州)有限公司 | Fixing element, light source module and assembly method of light source module |
| CN103388806B (en) * | 2013-07-19 | 2015-10-07 | 瑞仪光电(苏州)有限公司 | The assemble method of fixture, light source module and light source module |
| US9394933B2 (en) | 2013-07-19 | 2016-07-19 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Fastener, light source module, and method of assembling a light source module |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201319695A (en) | 2013-05-16 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130515 |