CN103423610B - Light-emitting device - Google Patents
Light-emitting device Download PDFInfo
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- CN103423610B CN103423610B CN201210150842.6A CN201210150842A CN103423610B CN 103423610 B CN103423610 B CN 103423610B CN 201210150842 A CN201210150842 A CN 201210150842A CN 103423610 B CN103423610 B CN 103423610B
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- bolster
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- guide plate
- light guide
- framework
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Abstract
A kind of light-emitting device, comprises a framework, a light guide plate, a light source and a buffer module.Light guide plate is configured in framework and light guide plate has an exiting surface, a bottom surface, relative two first sides and relative two second sides.Light source is configured at one in light guide plate two second sides.Buffer module to be configured in framework and to comprise one first bolster, one second bolster, one the 3rd bolster, one the 4th bolster, one the 5th bolster and one the 6th bolster.First bolster and the second bolster, respectively against exiting surface and bottom surface, move along a first direction to stop light guide plate.3rd bolster and the 4th bolster, respectively against two first sides, move along a second direction to stop light guide plate.5th bolster and the 6th bolster are respectively against two second sides, and to stop light guide plate to move along a third direction, wherein first direction, second direction and third direction are orthogonal.
Description
Technical field
The present invention relates to a kind of light-emitting device, and in particular to a kind of light-emitting device with light guide plate.
Background technology
In recent years, along with the progress of semiconductor technologies, 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 the advantage of the little and long service life of power saving, volume.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.
At present by the light-emitting device of light emitting diode as light emitting source, straight-down negative (Direct-lit) and side-light type (Edge-lit) can be divided into according to its structure.For side-lighting type light-emitting device, side-lighting type light-emitting device LED source is arranged on light guide plate (Light Guide Plate, LGP) side, the light that LED source is launched carries out total reflection in bottom surface of light guide plate and transmits and penetrated by the exiting surface of light guide plate.Therefore, light guide plate need have good light transmission and processability, the light total reflection making light guide plate that LED source can be provided good, and can arrange location structure on its surface to be assembled on the framework of light-emitting device.
With current technology, the material of light guide plate is main mainly with polymethyl methacrylate (PMMA).This type of light guide plate has good light transmission and processability.But this type of light guide plate cannot be tested by Smoke proofing and fire proofing, and cause this based light emitting device cannot be applied to particular surroundings such as subway carriage.For improveing this situation, the optional glass with having heat resistance and flame resistance of material of light guide plate, makes the light-emitting device with glass light guide plate can be applicable to particular surroundings.But the processability of glass is not good, make glass light guide plate via processing, location structure cannot be set on its surface.In addition, when glass light guide plate and framework and light-emitting diode light bar collide, be easier to produce and damage.
No. TW201020641st, TaiWan, China patent discloses a kind of pliability backlight modular structure, and the surrounding of its light guide plate has buffer substrate tablet and edge fender, produces rock in order to avoid light guide plate.No. TW201135317th, TaiWan, China patent discloses a kind of thin type liquid crystal display framework, and the side of its panel and light guide plate has resilient snubber as buffering.No. TW200912443rd, TaiWan, China patent discloses a kind of impact-resistant backlight modular structure, has the second framework of thermoplastic rubber material as buffering between its light guide plate and the first framework.No. US20090237957th, United States Patent (USP) discloses a kind of light source module structure, arrange Rectangular Elastic element as spacer, and the height of spacer is greater than the height of light emitting diode between its light guide plate and light source.No. TWI327662nd, TaiWan, China patent discloses a kind of optical module, and the side of its light guide plate and blooming piece has fender, and fender is bonded on supporting seat as buffering.No. CN200920138848th, Chinese patent discloses a kind of liquid crystal module structure of tool incabloc function, and the side of its lower floor's framework has elastic rubber strip, in order to support liquid-crystalline glasses also as the light guide plate 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, can firmly lightguide plate fixing and light guide plate can be avoided to damage to some extent because of collision.
Other objects of the present invention and advantage can be further understood from the technical characteristic disclosed by the present invention.
For reaching one of above-mentioned or partly or entirely object or other objects, one embodiment of the invention provide a kind of light-emitting device, comprise a framework, a light guide plate, a light source and a buffer module.Light guide plate is configured in framework and light guide plate has an exiting surface, a bottom surface relative with exiting surface, relative two first sides and relative two second sides.Light source is configured at one in two second sides of light guide plate.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.First bolster and the second bolster to be configured in framework and respectively against exiting surface and bottom surface, to move to stop light guide plate along a first direction.3rd bolster and the 4th bolster to be configured in framework and respectively against two first sides, to stop light guide plate to move along a second direction, and the wherein vertical first direction of second direction.5th bolster and the 6th bolster to be configured in framework and respectively against two second sides, to stop light guide plate to move along a third direction, and the wherein 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 on 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 on framework and covers opening, and the second bolster passes opening and pushed against by pressing plate and be resisted against bottom surface.
In the light-emitting device of one embodiment of the invention, light source also comprises a light-emitting diode light bar, be configured in framework, wherein light-emitting diode light bar comprises a substrate and multiple LED source, these LED sources are configured on substrate, 5th bolster is folded between substrate and light guide plate and the 5th bolster has multiple recess, these LED sources respectively through these recesses in the face of light guide plate.
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, 5th bolster against second side by 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 to 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 light guide plate 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 light guide plate only contacts buffer module.
The light-emitting device of one embodiment of the invention also comprises a blooming piece, and blooming piece to be configured in framework and to be covered on light guide plate.
The light-emitting device of one embodiment of the invention also comprises a reflector plate, between the bottom surface that reflector plate is configured at light guide plate and the second bolster.
Based on above-mentioned, in the above embodiment of the present invention, the buffer module of light-emitting device has multiple bolster, to be configured in framework and respectively against the exiting surface of light guide plate, the bottom surface relative with exiting surface, relative two first sides and relative two second sides.In other words, light guide plate is support by these bolsters and is firmly fixed, and therefore light guide plate can not contact with framework, light-emitting diode light bar, and then avoids light guide plate because colliding with framework and light-emitting diode light bar and damage to some extent.
Accompanying drawing explanation
For above-mentioned feature and advantage of the present invention can be become apparent, multiple 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 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: light guide plate
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
Detailed description of the invention
Aforementioned and other technology contents, feature and effect for the present invention, in the following detailed description coordinated with reference to multiple embodiments of accompanying drawing, can clearly present.The direction term mentioned in following examples, such as " on ", D score, "front", "rear", "left", "right" etc., be only the direction with reference to accompanying drawing.Therefore, the direction term of use is used to illustrate, non-being used for limits 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 other framework of the 3rd bolster 133 and the 4th bolster 134, and Fig. 1 is also not shown), light guide plate 120 and buffer module.Light guide plate 120 is configured in framework 110, and light guide plate 120 has exiting surface 122, the bottom surface 124 relative with exiting surface 122, relative two first sides 126 and relative two second sides 128.In this embodiment, one of them second side 128 is incidence surface.Buffer module comprises the first bolster 131, second bolster 132(and is shown in Fig. 2 A), the 3rd bolster 133, the 4th bolster 134, the 5th bolster 135 and the 6th bolster 136.Buffer module to be configured in framework 110 and against light guide plate 120, to make 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 to be configured in framework 110 and to be covered on light guide plate 120, between the bottom surface 124 that reflector plate 170 is configured at light guide plate 120 and the second bolster 132.
Specifically, the first bolster 131 and the second bolster 132 to be configured in framework 110 and respectively against exiting surface 122 and bottom surface 124, to move to stop light guide plate 120 along first direction (direction as perpendicular to exiting surface) X1.First bolster 131, between blooming piece 160 and light guide plate 120, contacts with blooming piece 160 to avoid light guide plate 120.In the present embodiment, buffer module has the first bolster 131 of two strips, to be configured in framework 110 and to be resisted against blooming piece 160 and exiting surface 122 respectively, using as the buffering between blooming piece 160 and exiting surface 122.In other embodiments, between the first bolster 131 and the exiting surface 122 of light guide plate 120, can separately be provided with other blooming pieces or element.Therefore, alleged by the present invention, the first bolster is resisted against the exiting surface of light guide plate, comprises the situation such as the direct exiting surface 122 against light guide plate 120 of the first bolster 131 or the indirect exiting surface 122 against light guide plate 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 light guide plate 220, using 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.
Fig. 2 C is the profile of the light-emitting device of further embodiment of this invention.Have the reflector plate 170 between bottom surface 124 and the second bolster 132 being configured at light guide plate 120 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 by the present invention, the second bolster is resisted against the bottom surface of light guide plate, comprises the second bolster 132 directly against the bottom surface 124 of light guide plate 120 or through situations such as the indirect bottom surfaces 124 against light guide plate 120 of such as reflector plate 170.
Fig. 3 is the part sectioned view of second bolster of Fig. 2 C.Please refer to Fig. 3, the second bolster 132 to be configured 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 on framework 110, and butting section 132c is against bottom surface 124, and necking section 132b is connected between fixed part 132a and butting section 132c, 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 not as limit, and in other embodiments, the second bolster 132 can not also have necking section 132b.
In the present embodiment, the aluminium extruded framework that is such as formed in one of framework 110.In order to make 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 through opening 112 is configured at framework 110 and against the bottom surface 124 of light guide plate 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 place, and pressing plate 140 is fixed on framework 110 and covers opening 112, and for the second bolster 132 is pushed against in bottom surface 124.
In the present embodiment, buffer module has four the second bolsters 132, is configured at framework 110 and respectively against four corners (attached not shown all second bolsters) of bottom surface 124, using as the buffering between framework 110 and bottom surface 124.But in other embodiments, buffer module can have 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 be configured at framework 110 through the opening 112 of correspondence and respectively against bottom surface 124, and pressing plate 140 is fixed on framework 110 and covers corresponding opening 112, to push against four the second bolsters 132 in bottom surface 124.But in other embodiments, framework 110 can not arrange opening 112, but the second bolster 132 to be directly configured 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 to be configured in framework 110 and respectively against relative two first sides 126, to stop light guide plate 120 to move along second direction X2, and the wherein vertical first direction X1 of second direction X2.In the present embodiment, framework 110 also can comprise the framework (Fig. 1 is also not shown) be arranged at outside the 3rd bolster 133 and the 4th bolster 134, jointly stops light guide plate 120 along second direction X2(second direction X2 as the direction perpendicular to second side 126 to coordinate the 3rd bolster 133 and the 4th bolster 134) mobile.
In the present embodiment, the shape of the 3rd bolster 133 be the 4th bolster 134 relative to first direction X1 and third direction X3(third direction X3 as the direction perpendicular to second side 128) form the mirror image of plane.As shown in Figure 1,3rd bolster 133 and the 4th bolster 134 have groove 133a, 134a respectively, 3rd bolster 133 has the first extension 133c and the second extension 133d, first extension 133c is against the exiting surface 122 of light guide plate 120, second extension 133d, against the bottom surface 124 of light guide plate 120, makes the 3rd bolster 133 as ㄈ shape.Similar, the 4th bolster 134 there is the first extension 134c and the second extension 134d, the first extension 134c, against light guide plate 120 exiting surface 122, second extension 134d against light guide plate 120 bottom surface 124, makes the 4th bolster 134 as ㄈ shape.Therefore in the present embodiment, the 3rd bolster 133 and the 4th bolster 134 can respectively by groove 133a, 134a and relative two first sides 126 of chimeric light guide plate 120.Therefore in the present embodiment, the 3rd bolster 133 and the 4th bolster 134, except providing light guide plate 120 except the buffering effect of second direction X2, also provide light guide plate 120 along the buffering effect of first direction X1.But in other embodiments, the 3rd bolster 133 and the 4th bolster 134 can have other shapes and quantity, and the present invention is not as restriction.In other embodiments, 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; Or the 3rd bolster 133 and the 4th bolster 134 one of them be a tabular and another has groove.
Please refer to Fig. 1.In the present embodiment, 5th bolster 135 and the 6th bolster 136 to be configured in framework 110 and respectively against relative two second sides 128, to stop light guide plate 120 to move along third direction X3, the wherein vertical first direction X1 and second direction X2 of third direction X3.
In order to make light-emitting device 100 meet fire-proof smoke-proof test, as the fire-proof smoke-proof grade (NF F16-101 regulation) of European rail vehicle, the optional glass with having heat resistance and flame resistance of material of light guide plate 120.Under above-mentioned configuration mode, light guide plate 120 is supports by these bolsters and is firmly fixed in all directions, therefore light guide plate 120 can not contact with framework 110, light-emitting diode light bar 150 and blooming piece 160 and only contact buffer module, and the light guide plate 120 of glass material can be avoided because colliding with framework 110 and light-emitting diode light bar 150 and damage to some extent.In other embodiments, the material of light guide plate 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 configured in framework 110.Light-emitting diode light bar 150 comprises substrate 152 and multiple LED source 154.LED source 154 is configured on substrate 152, and towards one of them second side 128 of light guide plate 120.LED source 154 emission of light and described light penetrate via the exiting surface 122 of light guide plate 120.5th bolster 135 is folded between the substrate 152 of light-emitting diode light bar 150 and the second side 128 of light guide plate 120, using as the buffering between light-emitting diode light bar 150 and light guide plate 120.In this embodiment, be an incidence surface of light guide plate in the face of the second side 128 of light-emitting diode light bar 150.
Specifically, the 5th bolster 135 has multiple recess 135a.When the 5th bolster 135 is folded between substrate 152 and second side 128, LED source 154 is in recess 135a.Therefore, LED source 154 can respectively through recess 135a in the face of light guide plate 120 second side 128 and do not covered by the 5th bolster 135.In this embodiment, recess 135a shape is as U-shaped, but in other embodiments, recess 135a shape is as can be the degree of lip-rounding or other can allow LED source 154 emission of light enter the shape of second side 128.
In addition, the thickness t1 of the 5th bolster 135 is greater than the thickness t2 of each LED source 154, as shown in Figure 5.By this, the second side 128 of light guide plate 120 can be avoided to contact or collide LED source 154.
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 to be configured in framework 110 and against second side 128, using 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, making the 6th bolster 136 except providing light guide plate 120 except the buffering effect of third direction X3, also providing light guide plate 120 along the buffering effect of first direction X1.But the present invention is not as limit, in other embodiments, the 6th bolster 136 can not have extension P1, P2, or only need have a wherein extension.
In the present embodiment, the aluminium extruded framework that is such as formed in one of framework 110.In order to make the 6th bolster 136 can be assembled in integrated aluminium extruded framework easily, the 6th bolster 136 is connected to the 3rd bolster 133 or the 4th bolster 134 one-body moldedly.In the present embodiment, buffer module such as has two the 6th bolsters 136, is connected to the 3rd bolster 133 and the 4th bolster 134, as shown in Figure 1,5 respectively one-body moldedly.Accordingly, when the 3rd bolster 133 or the 4th bolster 134 slip into framework 110 by the side of framework 110 and against the first side 126 of light guide plate 120 time, the 6th bolster 136 can be assembled to framework 110 and jointly against a second side of light guide plate 120.
Please refer to Fig. 1 and Fig. 5, the 3rd bolster 133 have from the 3rd bolster 133 prolong second direction X2 extend side extension 133b, and the 4th bolster 134 have prolong second direction X2 extend side extension 134b(Fig. 5 extension 133b is only shown).The side extension 133b of the 3rd the bolster 133 and side extension 134b of the 4th bolster 134 in order to along third direction X3 against the second side 128(of light guide plate 120 i.e. the 5th bolster 135 against second side 128).In other words, except the 5th bolster 135 and the 6th bolster 136 can provide except the buffering of third direction X3, the side extension 133b of the 3rd the bolster 133 and side extension 134b of the 4th bolster 134 also can provide the buffering of third direction X3.The extension 133b and the extension 134b that are resisted against second side 128 can avoid the second side 128 of light guide plate 120 to contact or collide LED source 154.
Please refer to Fig. 5, in the present embodiment, the side extension 133b of the 3rd bolster 133 and side extension 134b(Fig. 5 of the 4th bolster 134 only illustrates extension 133b) thickness t3 be less than the thickness t4 of the 6th bolster 136.By this, when light-emitting device 100 is collided, buffering on third direction X3 is mainly provided by the 6th bolster 136 that thickness is larger, so can make side extension 133b and side extension 134b not reason light-emitting device 100 collided and produced excessive deflection, affect bright dipping quality to avoid the spacing between the second side 128 of LED source 154 and light guide plate 120 excessively to increase and decrease.In addition, the manufacture of light-emitting device 100 absorbs primarily of the 6th bolster 136 that thickness is larger with assembling tolerance, so can make extension 133b and extension 134b not reason manufacture and assembling tolerance and produce excessive deflection, affect bright dipping quality to avoid the spacing between the second side 128 of LED source 154 and light guide plate 120 excessively to increase and decrease.
In the present embodiment, the material of the first bolster 131, second bolster 132 of buffer module, the 3rd bolster 133, the 4th bolster 134, the 5th bolster 135 and the 6th bolster 136 is such as silica gel or rubber, to provide light guide plate 120 preferably pooling feature.In other embodiments, the material of the first bolster 131, 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 multiple bolster, to be configured in framework and respectively against the exiting surface of light guide plate, the bottom surface relative with exiting surface, relative two first sides and relative two second sides.In other words, light guide plate is support by these bolsters and is firmly fixed, and therefore light guide plate can not contact with framework, light-emitting diode light bar, and light guide plate can be avoided because colliding with framework and light-emitting diode light bar and damage to some extent.
The foregoing is only the preferred embodiments of the present invention, can not limit scope of the invention process with this, namely all simple equivalences done according to claims of the present invention and description change and amendment, all still belong in the scope of patent of the present invention covering.In addition, any embodiment of the present invention or claim must not reach whole object disclosed by the present invention or advantage or feature.In addition, summary and denomination of invention are only used to the use of auxiliary Zhuan profit Wen Jian Inspection rope, are not used for limiting interest field of the present invention.In addition, the term such as " first ", " second " of mentioning in this description or claim, only in order to name the title of element (element) or to distinguish different embodiment or scope, is not used for the quantitative upper limit of limiting element or lower limit.
Claims (14)
1. a light-emitting device, comprising:
One framework;
One light guide plate, is configured in described framework and described light guide plate has an exiting surface, a bottom surface relative with described exiting surface, relative two first sides and relative two second sides;
One light source, is configured in described two second sides of described light guide plate;
One buffer module, comprising:
One first bolster and one second bolster, to be configured in described framework and described first bolster and described second bolster respectively against described exiting surface and described bottom surface, move along a first direction to stop described light guide plate;
One the 3rd bolster and one the 4th bolster, to be configured in described framework and described 3rd bolster and described 4th bolster respectively against described two first sides, to stop described light guide plate 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, to be configured in described framework and described 5th bolster and described 6th bolster respectively against described two second sides, to stop described light guide plate to move along a third direction, the vertical described first direction of wherein said third direction and described second direction; And
One pressing plate, wherein said framework has an opening, and described pressing plate is fixed on described framework and covers described opening, and described second bolster is used for through described opening and is pushed against by described pressing plate and be resisted against described bottom surface.
2. light-emitting device according to claim 1, it is characterized in that, described second bolster comprises a fixed part, a necking section and a butting section, described fixed part is fixed on 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, described light source also comprises a light-emitting diode light bar, be configured in described framework, wherein, described light-emitting diode light bar comprises a substrate and multiple LED source, these LED sources are configured on described substrate, described 5th bolster is folded between described substrate and described light guide plate and described 5th bolster has multiple recess, these LED sources respectively through these recesses in the face of described light guide plate.
4. light-emitting device according to claim 3, is characterized in that, the thickness of described 5th bolster is greater than the thickness of each described LED source.
5. light-emitting device according to claim 3, it is characterized in that, described 3rd bolster or described 4th bolster have a side extension, described 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 6th bolster.
6. light-emitting device according to claim 1, is characterized in that, described 3rd bolster or described 4th bolster have a groove.
7. light-emitting device according to claim 6, it is characterized in that, described 3rd bolster or described 4th bolster have one first extension and one second extension, and described first extension is against described exiting surface, and described second extension is against described bottom surface.
8. light-emitting device according to claim 1, is characterized in that, described 6th bolster has two extensions, and described two extensions are respectively against described exiting surface and described bottom surface.
9. light-emitting device according to claim 1, is characterized in that, described 6th bolster is connected to described 3rd bolster or described 4th bolster one-body moldedly.
10. light-emitting device according to claim 1, is characterized in that, the material of described light guide plate is glass.
11. light-emitting devices according to claim 1, is characterized in that, the material of described buffer module comprises silica gel or rubber.
12. light-emitting devices according to claim 1, is characterized in that, described light guide plate only contacts described buffer module.
13. light-emitting devices according to claim 1, is characterized in that, also comprise a blooming piece, and described blooming piece to be configured in described framework and to be covered on described light guide plate.
14. light-emitting devices according to claim 1, is characterized in that, also comprise a reflector plate, between the described bottom surface that described reflector plate is configured at described light guide plate and described second bolster.
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 CN103423610A (en) | 2013-12-04 |
| CN103423610B true 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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| CN110873922B (en) * | 2018-08-30 | 2022-06-07 | 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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| CN101393341B (en) * | 2007-09-18 | 2010-06-16 | 绿点高新科技股份有限公司 | Frame |
| CN101413630A (en) * | 2008-12-05 | 2009-04-22 | 友达光电股份有限公司 | Backlight structure and manufacturing method thereof |
| CN101819347B (en) * | 2010-05-04 | 2011-12-28 | 友达光电股份有限公司 | Liquid crystal display device |
| WO2011158553A1 (en) * | 2010-06-16 | 2011-12-22 | シャープ株式会社 | Lighting apparatus, display apparatus, and television receiver apparatus |
| JP2012068421A (en) * | 2010-09-24 | 2012-04-05 | Casio Comput Co Ltd | Liquid crystal display device and manufacturing method thereof |
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