CN103423610A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN103423610A CN103423610A CN2012101508426A CN201210150842A CN103423610A CN 103423610 A CN103423610 A CN 103423610A CN 2012101508426 A CN2012101508426 A CN 2012101508426A CN 201210150842 A CN201210150842 A CN 201210150842A CN 103423610 A CN103423610 A CN 103423610A
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- bolster
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- lgp
- emitting device
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Abstract
A lighting device comprises a frame, a light guiding plate, a light source and a buffer module. The light guiding plate is arranged in the frame and is provided with a light emitting face, a bottom, two corresponding first edges and two corresponding second edges. The light source is arranged on one of the two second edges of the light guiding plate. The buffer module is arranged in the frame and comprises a first buffer member, a second buffer member, a third buffer member, a fourth buffer member, a fifth buffer member and a sixth buffer member. The first buffer member and the second buffer member are abutted against the light emitting face and the bottom respectively to prevent the light guiding plate from moving along a first direction. The third buffer member and the fourth buffer member are abutted against the two first edges of the light guiding plate respectively to prevent the light guiding plate from moving along a second direction. The fifth buffer member and the sixth buffer member are abutted against the two second edges of the light guiding plate respectively to prevent the light guiding plate from moving along a second direction. The first direction, the second direction and the third direction are perpendicular to one another.
Description
Technical field
The present invention relates to a kind of light-emitting device, and be particularly related to a kind of light-emitting device with LGP.
Background technology
In recent years, along with the progress of semiconductor science and technology, light emitting diode (Light Emitting Diode, LED) can send the light of high brightness, and luminous efficiency improves constantly.Compared to some conventional light source, LED source has advantages of power saving, volume is little and long service life.Therefore, LED source replaces conventional light source in a lot of fields gradually, and is widely used in the field of illumination aspect, such as car light, street lamp and desk lamp etc.
The light-emitting device as light emitting source by light emitting diode, can be divided into straight-down negative (Direct-lit) and side-light type (Edge-lit) according to its structure at present.Take the side-lighting type light-emitting device as example, the side-lighting type light-emitting device is that LED source is arranged on to LGP (Light Guide Plate, LGP) side, make light that LED source launches carry out the total reflection transmission and be penetrated by the exiting surface of LGP in bottom surface of light guide plate.Therefore, LGP need have good light transmission and processability, makes LGP that the light total reflection that LED source is good can be provided, and can its surface arrange location structure with the framework that is assembled to light-emitting device on.
With current technology, the material of LGP is main mainly with polymethyl methacrylate (PMMA).This type of LGP has good light transmission and processability.Yet this type of LGP can't be tested by Smoke proofing and fire proofing, and cause this based light emitting device can't be applied to for example subway carriage of particular surroundings.For improveing this situation, the glass that the optional use of the material of LGP has heat resistance and flame resistance, make the light-emitting device with glass light guide plate can be applicable to particular surroundings.Yet the processability of glass is not good, make glass light guide plate on its surface, location structure to be set via processing.In addition, when glass light guide plate and framework and light-emitting diode light bar collision, be easier to produce and damage.
The TaiWan, China patent discloses a kind of pliability backlight modular structure No. TW201020641, has buffer substrate tablet and edge fender around its LGP, in order to avoid LGP to produce, rocks.The TaiWan, China patent discloses a kind of thin type liquid crystal display framework for No. TW201135317, and the side of its panel and LGP has resilient snubber as buffering.The TaiWan, China patent discloses a kind of impact-resistant backlight modular structure No. TW200912443, has the second framework of thermoplastic rubber material between its LGP and the first framework as buffering.United States Patent (USP) discloses a kind of light source module structure No. US20090237957, the Rectangular Elastic element is set as spacer between its LGP and light source, and the height of spacer is greater than the height of light emitting diode.The TaiWan, China patent discloses a kind of optical module No. TWI327662, and the side of its LGP and blooming piece has fender, and fender is bonded on supporting seat as buffering.Chinese patent discloses a kind of liquid crystal module structure of tool incabloc function for No. CN200920138848, and the side of its lower floor's framework has elastic rubber strip, in order to support liquid-crystalline glasses also as the LGP below liquid-crystalline glasses and the buffering between lower floor's framework.
Summary of the invention
The present invention proposes a kind of light-emitting device, firmly lightguide plate fixing and can avoid LGP to damage to some extent because of collision.
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 partly or entirely purpose or other purposes, one embodiment of the invention provide a kind of light-emitting device, comprise a framework, a LGP, a light source and a buffer module.LGP is disposed in framework and LGP has an exiting surface, a bottom surface relative with exiting surface, relative two first sides and two relative second sides.Light source is disposed in two second sides of LGP.Buffer module comprises one first bolster, one second bolster, one the 3rd bolster, one the 4th bolster, one the 5th bolster and one the 6th bolster.The first bolster and the second bolster are disposed in framework and respectively against exiting surface and bottom surface, to stop LGP, along a first direction, move.The 3rd bolster and the 4th bolster are disposed in framework and respectively against two first sides, to stop LGP, along a second direction, move, wherein the vertical first direction of second direction.The 5th bolster and the 6th bolster are disposed in framework and respectively against two second sides, to stop LGP, along a third direction, move, wherein the vertical first direction of third direction and second direction.
In the light-emitting device of one embodiment of the invention, wherein the second bolster comprises a fixed part, a necking section and a butting section, fixed part is fixed in framework, butting section is against bottom surface, necking section is connected between fixed part and butting section, and an external diameter of necking section is less than an external diameter of fixed part and an external diameter of butting section.
The light-emitting device of one embodiment of the invention also comprises a pressing plate, and its middle frame has an opening, and pressing plate is fixed in framework and covers opening, and the second bolster is through opening and pushed against and be resisted against bottom surface by pressing plate.
In the light-emitting device of one embodiment of the invention, light source also comprises a light-emitting diode light bar, be disposed in framework, wherein light-emitting diode light bar comprises a substrate and a plurality of LED source, these LED sources are disposed on substrate, the 5th bolster is folded between substrate and LGP and the 5th bolster has a plurality of recesses, and these LED sources see through respectively these recesses in the face of LGP.
In the light-emitting device of one embodiment of the invention, wherein the thickness of the 5th bolster is greater than the thickness of each LED source.
In the light-emitting device of one embodiment of the invention, wherein the 3rd bolster or the 4th bolster have a side extension, the 5th bolster against second side by the side extension against, and a thickness of side extension is less than a thickness of the 6th bolster.
In the light-emitting device of one embodiment of the invention, wherein the 3rd bolster or the 4th bolster have a groove.
In the light-emitting device of one embodiment of the invention, wherein the 3rd bolster or the 4th bolster have one first extension and one second extension, and the first extension is against exiting surface, and the second extension is against bottom surface.
In the light-emitting device of one embodiment of the invention, wherein the 6th bolster has two extensions, and two extensions are respectively against exiting surface and bottom surface.
In the light-emitting device of one embodiment of the invention, wherein the 6th bolster is connected in the 3rd bolster or the 4th bolster one-body moldedly.
In the light-emitting device of one embodiment of the invention, wherein the material of LGP is glass.
In the light-emitting device of one embodiment of the invention, wherein the material of buffer module comprises silica gel or rubber.
In the light-emitting device of one embodiment of the invention, wherein LGP only contacts buffer module.
The light-emitting device of one embodiment of the invention also comprises a blooming piece, and blooming piece is disposed in framework and is covered on LGP.
The light-emitting device of one embodiment of the invention also comprises a reflector plate, and reflector plate is disposed between the bottom surface and the second bolster of LGP.
Based on above-mentioned, in the above embodiment of the present invention, the buffer module of light-emitting device has a plurality of bolsters, is disposed in framework and respectively against the exiting surface of LGP, the bottom surface relative with exiting surface, relative two first sides and two relative second sides.In other words, LGP is by the support of these bolsters and firmly is fixed, so LGP can not contact with framework, light-emitting diode light bar, and then avoids LGP because damaging to some extent with framework and light-emitting diode light bar collision.
The accompanying drawing explanation
For above-mentioned feature and advantage of the present invention can be become apparent, a plurality of embodiment cited below particularly, and coordinate accompanying drawing, be described in detail below.
Fig. 1 is the exploded view of the light-emitting device of one embodiment of the invention.
Fig. 2 A is that the light-emitting device of Fig. 1 is in the profile at I-I ' hatching line place.
Fig. 2 B is the profile of the light-emitting device of another embodiment of the present invention.
Fig. 2 C is the profile of the light-emitting device of further embodiment of this invention.
Fig. 3 is the part sectioned view of the second bolster of Fig. 2 C.
Fig. 4 is the partial enlarged drawing of the light-emitting device of Fig. 1.
Fig. 5 is the partial top view of the light-emitting device of Fig. 1.
Fig. 6 is the partial cutaway schematic of the 6th bolster of Fig. 1.
[main element symbol description]
100: light-emitting device
110: framework
112: opening
120: LGP
122: exiting surface
124: bottom surface
126: first side
128: second side
131: the first bolsters
132: the second bolsters
132a: fixed part
132b: necking section
132c: butting section
133: the three bolsters
133a, 134a: groove
133b, 134b: side extension
133c, 134c: the first extension
133d, 134d: the first extension
134: the four bolsters
135: the five bolsters
135a: recess
136: the six bolsters
140: pressing plate
150: light-emitting diode light bar
152: substrate
154: LED source
160: blooming piece
170: reflector plate
D1, d2, d3: external diameter
P1, P2: extension
T1, t2, t3, t4: thickness
X1: first direction
X2: second direction
X3: third direction
The specific embodiment
About aforementioned and other technology contents, characteristics and effect of the present invention, in the detailed description in following cooperation with reference to a plurality of embodiment of accompanying drawing, can clearly present.The direction term of mentioning in following examples, such as " on ", D score, 'fornt', 'back', " left side ", " right side " etc., be only the direction with reference to accompanying drawing.Therefore, the direction term of use is for explanation, non-ly is used for limiting the present invention.
Fig. 1 is the exploded view of the light-emitting device of one embodiment of the invention.Fig. 2 A is that the light-emitting device of Fig. 1 is in the profile at I-I ' hatching line place.Please refer to Fig. 1 and Fig. 2 A, in the present embodiment, light-emitting device 100 comprises framework 110(in other embodiments, and framework 110 also can comprise and is arranged at the 3rd bolster 133 and the other framework of the 4th bolster 134, and Fig. 1 is also not shown), LGP 120 and buffer module.LGP 120 is disposed in framework 110, and LGP 120 has exiting surface 122, the bottom surface 124 relative with exiting surface 122, relative two first sides 126 and two relative second sides 128.In this embodiment, one of them second side 128 is incidence surface.Buffer module comprises that the first bolster 131, the second bolster 132(are shown in Fig. 2 A), the 3rd bolster 133, the 4th bolster 134, the 5th bolster 135 and the 6th bolster 136.Buffer module is disposed in framework 110 and against LGP 120, makes light-emitting device 100 have preferably shock-proof effect.In the present embodiment, light-emitting device 100 also has blooming piece 160 and reflector plate 170, and blooming piece 160 is disposed in framework 110 and is covered on LGP 120, and reflector plate 170 is disposed between the bottom surface 124 and the second bolster 132 of LGP 120.
Particularly, the first bolster 131 and the second bolster 132 are disposed in framework 110 and, respectively against exiting surface 122 and bottom surface 124, move along first direction (as the direction perpendicular to exiting surface) X1 to stop LGP 120.The first bolster 131, between blooming piece 160 and LGP 120, contacts with blooming piece 160 to avoid LGP 120.In the present embodiment, buffer module has the first bolster 131 of two strips, is disposed in framework 110 and is resisted against respectively blooming piece 160 and exiting surface 122, usings as the buffering between blooming piece 160 and exiting surface 122.At other embodiment, between the exiting surface 122 of the first bolster 131 and LGP 120, can separately be provided with other blooming pieces or element.Therefore, alleged the first bolster of the present invention is resisted against the exiting surface of LGP, comprises the direct exiting surface 122 against LGP 120 of the first bolster 131 or the indirect situations such as exiting surface 122 against LGP 120.
Fig. 2 B is the profile of the light-emitting device of another embodiment of the present invention.Compared to the embodiment shown in Fig. 2 A, in the embodiment shown in Fig. 2 B, light-emitting device 200 does not have blooming piece, and the first bolster 231 is resisted against between the exiting surface 222 of framework 210 and LGP 220, usings as the buffering between framework 210 and exiting surface 222.
In other embodiments, buffer module can have the first bolster 131 of other right quantity, and the shape of the first bolster 131 can be bulk, ring-type or other suitable shapes, and adjust the position of the first bolster 131 according to demand, the present invention is not as restriction.
The profile of the light-emitting device that Fig. 2 C is further embodiment of this invention.Have the bottom surface 124 that is disposed at LGP 120 and the reflector plate 170 between the second bolster 132 compared to the embodiment shown in Fig. 1 and Fig. 2 A, in the embodiment shown in Fig. 2 C, light-emitting device 100 can not have reflector plate.Therefore alleged the second bolster of the present invention is resisted against the bottom surface of LGP, comprises the second direct bottom surface 124 against LGP 120 of bolster 132 or sees through such as the indirect situations such as bottom surface 124 against LGP 120 of reflector plate 170.
Fig. 3 is the part sectioned view of the second bolster of Fig. 2 C.Please refer to Fig. 3, the second bolster 132 is disposed in framework 110 and against bottom surface 124.In the present embodiment, the second bolster 132 comprises fixed part 132a, necking section 132b and butting section 132c.Fixed part 132a is fixed in framework 110, and butting section 132c is connected between fixed part 132a and butting section 132c against 124， necking section, bottom surface 132b, and wherein the outside diameter d 2 of necking section 132b is less than the outside diameter d 1 of fixed part 132a and the outside diameter d 3 of butting section 132c.Accordingly, the necking section 132b of the second bolster 132 can increase the elasticity of the second bolster 132, but the present invention is as limit, and in other embodiments, the second bolster 132 can also not have necking section 132b.
In the present embodiment, the aluminium extruded framework that framework 110 for example is formed in one.For the second bolster 132 can be assembled in integrated aluminium extruded framework easily, the framework 110 of the present embodiment has opening 112, and the second bolster 132 is to see through that opening 112 is disposed at framework 110 and against the bottom surface 124 of LGP 120.In other words, the second bolster 132 penetrates in framework 110 from opening 112, and makes fixed part 132a fix or be sandwiched in opening 112, and butting section 132c is against bottom surface 124.In addition, light-emitting device 100 arranges pressing plate 140 at opening 112 places, and pressing plate 140 is fixed in framework 110 and covers opening 112, and for the second bolster 132 being pushed against in bottom surface to 124.
In the present embodiment, buffer module has four the second bolsters 132, is disposed at framework 110 and 124 four corners (not shown all the second bolsters in accompanying drawing) against bottom surface respectively, usings as the buffering between framework 110 and bottom surface 124.Yet in other embodiments, buffer module can be had at least one second bolster 132, and the shape of the second bolster 132 can be bulk, ring-type or other suitable shapes, and the present invention is not as restriction.
In addition, in the present embodiment, four the second bolsters 132 can see through respectively that corresponding opening 112 be disposed at framework 110 and against bottom surface 124, and pressing plate 140 is fixed in framework 110 and covers corresponding opening 112, four the second bolsters 132 are pushed against in bottom surface to 124.Yet in other embodiments, framework 110 can not arrange opening 112, but by the second bolster 132, directly be disposed in framework 110 and against bottom surface 124, the present invention is not as limit.
Please refer to Fig. 1.In the present embodiment, the 3rd bolster 133 and the 4th bolster 134 are disposed in framework 110 and respectively against two relative first sides 126, to stop LGP 120, along second direction X2, move, wherein the vertical first direction X1 of second direction X2.In the present embodiment, framework 110 also can comprise the framework that is arranged at the 3rd bolster 133 and the 4th bolster 134 outsides (Fig. 1 is also not shown), with coordinate the 3rd bolster 133 and the 4th bolster 134 common stop LGP 120 along second direction X2(second direction X2 as the direction perpendicular to second side 126) mobile.
In the present embodiment, the shape of the 3rd bolster 133 is the 4th bolsters 134 with respect to first direction X1 and third direction X3(third direction X3 as the direction perpendicular to second side 128) formed the mirror image on plane.As shown in Figure 1, the 3rd bolster 133 and the 4th bolster 134 have respectively groove 133a, 134a, the 3rd bolster 133 has the first extension 133c and the second extension 133d, the first extension 133c is against the exiting surface 122 of LGP 120, the second extension 133d, against the bottom surface 124 of LGP 120, makes the 3rd bolster 133 as ㄈ shape.Similarly, the 4th bolster 134 there is the first extension 134c and the second extension 134d, the first extension 134c, against LGP 120 exiting surface 122, the second extension 134d against LGP 120 bottom surfaces 124, makes the 4th bolster 134 as ㄈ shape.Therefore in the present embodiment, the 3rd bolster 133 can pass through respectively with the 4th bolster 134 two first sides 126 that groove 133a, 134a and chimeric LGP 120 are relative.Therefore in the present embodiment, the 3rd bolster 133 and the 4th bolster 134, except providing LGP 120 along the buffering effect of second direction X2, also provide the buffering effect of LGP 120 along first direction X1.Yet in other embodiments, the 3rd bolster 133 and the 4th bolster 134 can have other shapes and quantity, the present invention is not as restriction.At other embodiment, the 3rd bolster 133 and the 4th bolster 134 are a tabular and do not have groove, therefore the 3rd bolster 133 can not have the first extension 133c and the second extension 133d, and the 4th bolster 134 can not have the first extension 134c and the second extension 134d; Perhaps the 3rd bolster 133 and the 4th bolster 134 one of them be that a tabular and another have groove.
Please refer to Fig. 1.In the present embodiment, the 5th bolster 135 and the 6th bolster 136 are disposed in framework 110 and respectively against two relative second sides 128, with prevention LGP 120, along third direction X3, move, wherein the vertical first direction X1 of third direction X3 and second direction X2.
In order to make light-emitting device 100 meet the fire-proof smoke-proof test, as the fire-proof smoke-proof grade (NF F16-101 rules) of European rail vehicle, the glass that the optional use of the material of LGP 120 has heat resistance and flame resistance.Under above-mentioned configuration mode, LGP 120 is by the support of these bolsters and firmly is fixed in all directions, therefore LGP 120 can contact and only contact buffer module with framework 110, light-emitting diode light bar 150 and blooming piece 160, and the LGP 120 that can avoid glass material is because colliding damage to some extent with framework 110 and light-emitting diode light bar 150.In other embodiments, the material of LGP 120 can be other suitable material, and the present invention is not limited this.
Fig. 4 is the partial enlarged drawing of the light-emitting device of Fig. 1.Fig. 5 is the partial top view of the light-emitting device of Fig. 1.Please refer to Fig. 4 and Fig. 5.In the present embodiment, light-emitting device 100 has light-emitting diode light bar 150, is disposed in framework 110.Light-emitting diode light bar 150 comprises substrate 152 and a plurality of LED source 154.LED source 154 is disposed on substrate 152, and towards one of them second side 128 of LGP 120.LED source 154 emission of lights and described light penetrate via the exiting surface 122 of LGP 120.The 5th bolster 135 is folded between the second side 128 of the substrate 152 of light-emitting diode light bar 150 and LGP 120, usings as the buffering between light-emitting diode light bar 150 and LGP 120.In this embodiment, the incidence surface that the second side 128 of facing light-emitting diode light bar 150 is LGP.
Specifically, the 5th bolster 135 has a plurality of recess 135a.When the 5th bolster 135 is folded between substrate 152 and second side 128,154 of LED sources are in recess 135a.Therefore, LED source 154 can see through respectively recess 135a in the face of the second side 128 of LGP 120 and do not covered by the 5th bolster 135.In this embodiment, recess 135a shape is as U-shaped, but, in other embodiment, recess 135a shape is as can be the degree of lip-rounding or other shapes that can allow LED source 154 emission of lights enter second side 128.
In addition, the thickness t 1 of the 5th bolster 135 is greater than the thickness t 2 of each LED source 154, as shown in Figure 5.By this, can avoid second side 128 contacts or the collision LED source 154 of LGP 120.
Please refer to Fig. 1, Fig. 5 and Fig. 6.Fig. 6 is the partial cutaway schematic of the 6th bolster of Fig. 1.In the present embodiment, the 6th bolster 136 is disposed in framework 110 and against second side 128, usings as the buffering between framework 110 and second side 128.In addition, the 6th bolster 136 of the present embodiment has two extension P1, P2, and extension P1 is against exiting surface 122, and extension P2 is against bottom surface 124, as shown in Figure 6.By the setting of extension P1 and extension P2, make the 6th bolster 136 except providing LGP 120 along the buffering effect of third direction X3, the buffering effect of LGP 120 along first direction X1 also is provided.But the present invention is not as limit, and in other embodiments, the 6th bolster 136 can not have extension P1, P2, or a wherein extension only need be arranged.
In the present embodiment, the aluminium extruded framework that framework 110 for example is formed in one.For the 6th bolster 136 can be assembled in integrated aluminium extruded framework easily, the 6th bolster 136 is connected in the 3rd bolster 133 or the 4th bolster 134 one-body moldedly.In the present embodiment, buffer module for example has two the 6th bolsters 136, is connected in the 3rd bolster 133 and the 4th bolster 134, as shown in Figure 1,5 respectively one-body moldedly.Accordingly, slip into framework 110 when the 3rd bolster 133 or the 4th bolster 134 by the side of framework 110 and during against the first side 126 of LGP 120, the 6th bolster 136 can be assembled to framework 110 and jointly against a second side of LGP 120.
Please refer to Fig. 1 and Fig. 5, the 3rd bolster 133 has from the 3rd bolster 133 and prolongs the side extension 133b that second direction X2 extends, and the 4th bolster 134 have prolong side extension 134b(Fig. 5 that second direction X2 extends extension 133b only be shown).The side extension 134b of the side extension 133b of the 3rd bolster 133 and the 4th bolster 134 in order to along third direction X3 against LGP 120 second side 128(135 of the 5th bolsters against second side 128).In other words, except the 5th bolster 135 and the 6th bolster 136 can provide the buffering of third direction X3, the side extension 134b of the side extension 133b of the 3rd bolster 133 and the 4th bolster 134 also can provide the buffering of third direction X3.Be resisted against the extension 133b of second side 128 and 128 contacts of second side that extension 134b can avoid LGP 120 or collision LED source 154.
Please refer to Fig. 5, in the present embodiment, side extension 134b(Fig. 5 of the side extension 133b of the 3rd bolster 133 and the 4th bolster 134 only illustrates extension 133b) thickness t 3 be less than the thickness t 4 of the 6th bolster 136.By this, when light-emitting device 100 is collided, mainly that six bolster 136 larger by thickness provides the buffering on third direction X3, so can make side extension 133b and side extension 134b not reason light-emitting device 100 collided and produced excessive deflection, with excessively increase and decrease and affect the bright dipping quality of the spacing between the second side 128 of avoiding LED source 154 and LGP 120.In addition, with the assembling tolerance, mainly by thickness, the 6th larger bolster 136 absorbs in the manufacture of light-emitting device 100, so can make extension 133b and extension 134b not reason manufacture and assembling tolerance and produce excessive deflection, with the spacing between the second side 128 of avoiding LED source 154 and LGP 120, excessively increase and decrease and affect the bright dipping quality.
In the present embodiment, the material of the first bolster 131, the second bolster 132, the 3rd bolster 133, the 4th bolster 134, the 5th bolster 135 and the 6th bolster 136 of buffer module is for example silica gel or rubber, so that preferably pooling feature of LGP 120 to be provided.In other embodiments, the material of the first bolster 131, the second bolster 132, the 3rd bolster 133, the 4th bolster 134, the 5th bolster 135 and the 6th bolster 136 can be other suitable padded coaming, and the present invention is not limited this.
In sum, in the above embodiment of the present invention, the buffer module of light-emitting device has a plurality of bolsters, is disposed in framework and respectively against the exiting surface of LGP, the bottom surface relative with exiting surface, relative two first sides and two relative second sides.In other words, LGP is by the support of these bolsters and firmly is fixed, so LGP can not contact with framework, light-emitting diode light bar, and can avoid LGP because damaging to some extent with framework and light-emitting diode light bar collision.
The foregoing is only the preferred embodiments of the present invention, can not limit scope of the invention process with this, i.e. all simple equivalences of doing according to the claims in the present invention book and description change and revise, and all still belong in the scope of patent covering of the present invention.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 and denomination of invention are only for the use of auxiliary Zhuan profit Wen Jian Inspection rope, not are used for limiting interest field of the present invention.In addition, the terms such as " first " mentioned in this specification or claim, " second " are only in order to the title of naming element (element) or distinguish different embodiment or scope, not are used for the quantitative upper limit of limiting element or lower limit.
Claims (15)
1. a light-emitting device comprises:
One framework;
One LGP, be disposed in described framework and described LGP has an exiting surface, a bottom surface relative with described exiting surface, relative two first sides and two relative second sides;
One light source, be disposed in described two second sides of described LGP; And
One buffer module comprises:
One first bolster and one second bolster, be disposed in described framework and described the first bolster and described the second bolster respectively against described exiting surface and described bottom surface, to stop described LGP, along a first direction, move;
One the 3rd bolster and one the 4th bolster, be disposed in described framework and described the 3rd bolster and described the 4th bolster respectively against described two first sides, to stop described LGP to move along a second direction, the vertical described first direction of wherein said second direction; And
One the 5th bolster and one the 6th bolster, be disposed in described framework and described the 5th bolster and described the 6th bolster respectively against described two second sides, to stop described LGP to move along a third direction, the vertical described first direction of wherein said third direction and described second direction.
2. light-emitting device according to claim 1, it is characterized in that, described the second bolster comprises a fixed part, a necking section and a butting section, described fixed part is fixed in described framework, described butting section is against described bottom surface, described necking section is connected between described fixed part and described butting section, and an external diameter of described necking section is less than an external diameter of described fixed part and an external diameter of described butting section.
3. light-emitting device according to claim 1, it is characterized in that, also comprise a pressing plate, wherein said framework has an opening, described pressing plate is fixed in described framework and covers described opening, and described the second bolster is for pushing against and be resisted against described bottom surface through described opening and by described pressing plate.
4. light-emitting device according to claim 1, it is characterized in that, described light source also comprises a light-emitting diode light bar, be disposed in described framework, wherein, described light-emitting diode light bar comprises a substrate and a plurality of LED source, these LED sources are disposed on described substrate, described the 5th bolster is folded between described substrate and described LGP and described the 5th bolster has a plurality of recesses, and these LED sources see through respectively these recesses in the face of described LGP.
5. light-emitting device according to claim 4, is characterized in that, the thickness of described the 5th bolster is greater than the thickness of each described LED source.
6. light-emitting device according to claim 4, it is characterized in that, described the 3rd bolster or described the 4th bolster have a side extension, described the 5th bolster against described second side by described side extension against, and a thickness of described side extension is less than a thickness of described the 6th bolster.
7. light-emitting device according to claim 1, is characterized in that, described the 3rd bolster or described the 4th bolster have a groove.
8. light-emitting device according to claim 7, it is characterized in that, described the 3rd bolster or described the 4th bolster have one first extension and one second extension, and described the first extension is against described exiting surface, and described the second extension is against described bottom surface.
9. light-emitting device according to claim 1, is characterized in that, described the 6th bolster has two extensions, and described two extensions are respectively against described exiting surface and described bottom surface.
10. light-emitting device according to claim 1, is characterized in that, described the 6th bolster is connected in described the 3rd bolster or described the 4th bolster one-body moldedly.
11. light-emitting device according to claim 1, is characterized in that, the material of described LGP is glass.
12. light-emitting device according to claim 1, is characterized in that, the material of described buffer module comprises silica gel or rubber.
13. light-emitting device according to claim 1, is characterized in that, described LGP only contacts described buffer module.
14. light-emitting device according to claim 1, is characterized in that, also comprises a blooming piece, described blooming piece is disposed in described framework and is covered on described LGP.
15. light-emitting device according to claim 1, is characterized in that, also comprises a reflector plate, described reflector plate is disposed between the described bottom surface and described the second bolster of described LGP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210150842.6A CN103423610B (en) | 2012-05-16 | 2012-05-16 | Light-emitting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210150842.6A CN103423610B (en) | 2012-05-16 | 2012-05-16 | Light-emitting device |
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| CN103423610A true CN103423610A (en) | 2013-12-04 |
| CN103423610B CN103423610B (en) | 2015-09-09 |
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| CN201210150842.6A Expired - Fee Related CN103423610B (en) | 2012-05-16 | 2012-05-16 | Light-emitting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110873922A (en) * | 2018-08-30 | 2020-03-10 | 苏州璨宇光学有限公司 | Backlight module and display device using same |
| CN113971904A (en) * | 2020-07-22 | 2022-01-25 | 邱榆钧 | Electronic device |
| TWI796792B (en) * | 2021-09-16 | 2023-03-21 | 香港商冠捷投資有限公司 | Backplane unit and display backlight module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110873922A (en) * | 2018-08-30 | 2020-03-10 | 苏州璨宇光学有限公司 | Backlight module and display device using same |
| CN113971904A (en) * | 2020-07-22 | 2022-01-25 | 邱榆钧 | Electronic device |
| TWI796792B (en) * | 2021-09-16 | 2023-03-21 | 香港商冠捷投資有限公司 | Backplane unit and display backlight module |
| US11656401B2 (en) | 2021-09-16 | 2023-05-23 | Top Victory Investments Limited | Back plate unit and backlight module of display device |
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|---|---|
| CN103423610B (en) | 2015-09-09 |
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