CN102062329A - Edge type backlight module and support component used in same - Google Patents
Edge type backlight module and support component used in same Download PDFInfo
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- CN102062329A CN102062329A CN200910225355XA CN200910225355A CN102062329A CN 102062329 A CN102062329 A CN 102062329A CN 200910225355X A CN200910225355X A CN 200910225355XA CN 200910225355 A CN200910225355 A CN 200910225355A CN 102062329 A CN102062329 A CN 102062329A
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- lgp
- backboard
- pedestal
- diffuser plate
- type back
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Abstract
The invention relates to an edge type backlight module and a support component used in same. The support component comprises a base, a thread part and a support column, wherein one surface of the base extends outside to form a thread; another surface of the base extends outside to form the support column; a tapered part is formed on the tail end of the support column; the tapered part is against a diffuser plate and used to fix the diffuser plate above a light guide plate according to a preset distance; the thread part penetrates through the light guide plate and is screwed and locked on a back plate so that the base sticks to the light guide plate flatly; the diffuser plate can be fixed to the light guide plate at a distance; and the phenomenon that when used in a large-scale liquid crystal display device, the diffuser plate has large size and is sunken in center, can be effectively avoided. In addition, when the support component is screwed for fixture, the base can be pressed on the light guide plate flatly, and the problem that as the light guide plate is warped, the screen brightness of the liquid crystal display device is not uniform, can be avoided.
Description
Technical field
The present invention relates to a kind of side light type back light module, relate in particular to a kind of supporting component of this side light type back light module inside.
Background technology
Because liquid crystal display (Liquid crystal Display, LCD) device possessed that volume is little, in light weight, advantages such as power saving and low radiation, thereby be applied in large quantities in the various electronic products such as mobile computer, digital camera camera, mobile phone, computer screen and LCD TV.Add that process technique develops apace, no matter it is significantly progressive to make that liquid crystal indicator all has on image quality, reaction rate and panel size.
Yet liquid crystal indicator is not the display unit of self-luminosity, must reach display effect by external light source.General liquid crystal indicator almost adopts backlight module, and liquid crystal panel is even as providing, the light source of high brightness is originated, and its basic principle is point or the line source that will use always, sees through the area source product that succinct effective light changes into high brightness and equal sunshine degree.
Cooperate and consult the 6th figure, side light type back light module for prior art, this side light type back light module includes a backboard 10, a reflector plate 40, a LGP 20 is stacking in regular turn forms, at least one luminescence unit (not icon) is arranged at the side of this LGP 20, in order to provide this backlight module required light source; One diffuser plate 50 is this LGP 20 tops that are arranged at a gap, makes the light that penetrates this diffuser plate 50 have uniform brightness and colourity.
One support member 70 is to include a pedestal 72, a support column 74 and a grab 76.This pedestal 72 is smooth on this LGP 20, and the top of this support column 74 is to be resisted against this diffuser plate 50, in order to this diffuser plate 50 is had being arranged on this LGP 20 an of fixed interval (FI).This grab 76 is the bottom surfaces that are fastened in this backboard 10 via those perforation and open-work.
Because side light type back light module need use a LGP 20 that the light that luminescence unit sent is guided to the exiting surface of this backlight module, providing this backlight module one brightness even area source, thereby the flatness of this LGP change very important just.
And the support member 70 that prior art is used is to utilize grab 76 as fastening the fixture of this LGP 20 with this backboard 10, in the time of itself may making or design owing to LGP 20 because of itself, and cause the problem of uneven thickness, the fixedly profit that adds this grab 76 a little less than, therefore can't effectively this LGP 20 be fitted fully with this backboard 10, make 10 of this LGP 20 and this backboards have the space to produce, and then cause liquid crystal indicator to produce the problem of brightness disproportionation.
Summary of the invention
The technical issues that need to address of the present invention have provided the supporting component in a kind of side light type back light module, are intended to solve the above problems;
The present invention also provides a kind of side light type back light module that adopts above-mentioned supporting component.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
Supporting component of the present invention is to be applied in the side light type back light module, this backlight module includes at least one backboard, at least one LGP and at least one diffuser plate, this supporting component is to be arranged between this LGP and this diffuser plate, make this diffuser plate be had being arranged on this LGP of a preset distance, this supporting component comprises: a pedestal; One threaded portion is to be stretched out and be formed with screw thread by one of this pedestal surface; One support column is that another surface by this pedestal stretches out, and is formed with a taper portion in the tail end of this support column; Wherein, this taper portion is resisted against this diffuser plate, in order to this diffuser plate is fixed in this LGP top with this preset distance ground; This threaded portion is to run through this LGP and screw lock on this backboard, makes this pedestal smooth on this LGP;
Side light type back light module of the present invention comprises: at least one backboard is to be provided with a plurality of screws; At least one LGP is to be arranged on this backboard, on this LGP is to be formed with perforation a plurality of and the corresponding setting of those screws, and this LGP has exiting surface and at least one side in abutting connection with this exiting surface of this backboard of an almost parallel; At least one luminescence unit is this side that is arranged at this LGP, and emits beam towards this side; At least one diffuser plate, be with a preset distance be arranged at this LGP top; And a plurality of supporting components, be to run through those perforation and be fixed at those screws, those supporting components comprise: a pedestal; One threaded portion be to be stretched out by the direction of one of this pedestal surface towards this backboard, and extended spot is formed with a screw thread; One support column is to be stretched out by another surface of this pedestal direction towards this diffuser plate, and is formed with a taper portion in the tail end of this support column; Wherein, the taper portion of this supporting component is resisted against this diffuser plate, this diffuser plate is had this preset distance ground be fixed on this LGP; This threaded portion be run through those the perforation and screw lock in this screw, make the smooth surface that is adjacent to this diffuser plate in this LGP of this pedestal.
Compared with prior art, the invention has the beneficial effects as follows: diffuser plate can be had being fixed on this LGP of certain distance, and can avoid this diffuser plate because of being used in large-scale liquid crystal indicator effectively, oversize and cause the phenomenon of central concave; In addition, when this supporting component is consolidated with spiral shell, can make this pedestal press smoothly and put this LGP, and to avoid this LGP warpage to cause the picture of liquid crystal indicator to produce the problem of bright dark inequality.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the present invention's side light type back light module.
Fig. 2 is the side view of the present invention's side light type back light module.
Fig. 3 is the present invention's the supporting component that is used in side light type back light module.
Fig. 4 is the partial enlarged drawing of the present invention's side light type back light module.
Fig. 5 is the supporting component that is used in side light type back light module of second embodiment of the invention.
Fig. 6 is for being the side light type back light module structural representation of prior art.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is described in further detail:
Side light type back light module includes at least one backboard, at least one LGP, at least one luminescence unit, at least one diffuser plate and a plurality of supporting component.
This backboard is to be provided with a plurality of screws; This LGP is to be arranged on this backboard, on this LGP is to be formed with perforation a plurality of and the corresponding setting of those screws, and this LGP has the side of exiting surface and this exiting surface of at least one vicinity of this backboard of an almost parallel.This luminescence unit is the side that is arranged at this LGP, and emits beam towards this side; This diffuser plate is to be arranged at this LGP top with having a preset distance.
Those supporting components be run through those the perforation and screw lock in those screws, those supporting components include a pedestal, a threaded portion and a support column.This threaded portion is to be stretched out by the direction of one of this pedestal surface towards this backboard, and extended spot is formed with a screw thread.This support column is to be stretched out by another surface of this pedestal direction towards this diffuser plate, and is formed with a taper portion in the tail end of this support column.
Wherein, this taper portion is resisted against this diffuser plate, this diffuser plate is had this preset distance ground be fixed on this LGP; This threaded portion is to run through one to be arranged at those perforation, and those screws of screw lock, makes the smooth surface that is adjacent to this diffuser plate in this LGP of this pedestal.
Cooperate and consult Fig. 1 and Fig. 2, this side light type back light module is the light source source as liquid crystal indicator, this side light type back light module includes at least one backboard (back brezel) 10, at least one LGP (light guide plate) 20, at least one luminescence unit 30, at least one reflector plate 40, at least one diffuser plate (diffuser plate) 50, and a plurality of supporting component 60.
Be to be formed with a plurality of screws 12 on this backboard 10, the main support structure that this backboard 10 is whole backlight module also can be used as the barrier of Electromagnetic Interference simultaneously, and has the function of impelling the heat radiation and making equalizing temperature.
This LGP 20 is to be arranged on this backboard 10, and is formed with a plurality of perforation 22 on this LGP 20, and those perforation 22 are that these screws 12 with this backboard 10 are provided with accordingly.In addition, this LGP 20 has exiting surface and at least one side in abutting connection with this exiting surface of this backboard 10 of an almost parallel.
This LGP 20 is mainly in order to the guiding radiation direction, improving the brightness of liquid crystal indicator, and guarantees the uniformity of liquid crystal indicator brightness.Wherein this LGP 20 is to utilize the high reflectance and the material of extinction not, as: polymethyl methacrylate (Polymethylmethacrylate, PMMA), the smooth plate that is made with ejection formation.And, use have high reflection and not the material of extinction be adjacent to these backboard 10 surfaces in this LGP 20 and be provided with a plurality of densitys, diffusion point not of uniform size.When light was mapped to the diffusion point, reverberation can be derived away from one of this backboard 10 end by this LGP 20 with the angle of running counter to reflection law, to reach the brightness that improves liquid crystal indicator.
This luminescence unit 30 is these sides that are arranged at this LGP 20, and emits beam towards this side, and in order to provide this side light type back light module required light source, wherein this luminescence unit 30 can utilize a plurality of light emitting diode to form.The light that this luminescence unit 30 can be sent through this LGP 20 guides on the whole LGP uniformly, to provide liquid crystal indicator one uniform surface light source.
This reflector plate 40 is to be arranged between this backboard 10 and this LGP 20, and this reflector plate 40 is provided with a plurality of open-works 42, and those open-works 42 are corresponding with these screws 12 on this backboard 10 respectively.This reflector plate 40 is used for improving the service efficiency of light mainly in order to being sent by this luminescence unit 30 but spill in this LGP 20 of light reflected back of this LGP 20.
This diffuser plate 50 is to be arranged at this LGP 20 tops with having a preset distance, and major function is for allowing light via the optical composite material of diffuser plate 50 own and produce the diffusion phenomenon, so that more uniform surface light source of Luminance Distribution of liquid crystal indicator to be provided.
Cooperate and consult Fig. 3, this supporting component 60 is to include a pedestal 62, a threaded portion 64, a stop part 66 and a support column 68.This threaded portion 64 is to be stretched out by the direction of one of this pedestal 62 surface towards this backboard 10, and extended spot is formed with screw thread.This stop part 66 is to be arranged between this pedestal 62 and this threaded portion 64, and the thickness of this stop part 66 is the thickness that adds this reflector plate 40 less than the thickness of this LGP 20.This support column 68 is to be stretched out by another surface of this pedestal 62 direction towards this diffuser plate 50, and the tail end of this support column 68 is formed with a taper portion 69.
Cooperate and to consult Fig. 4, the threaded portion 64 of those supporting components 60 is to run through these perforation that is arranged at this LGP 20 22, and these are formed at the open-work 42 of this reflector plate 40, and screw lock is arranged at screw 12 on this backboard 10 in these.This taper portion 69 is resisted against this diffuser plate 50, makes 20 of this diffuser plate 50 and this LGPs be kept certain clearance, supports this diffuser plate 50 except a support force is provided, and has more avoided this diffuser plate 50 to produce the phenomenon of central concave.
In addition, the pedestal 62 of this supporting component 60 is to be adjacent to one of this diffuser plate 50 surface in this LGP 20 smoothly, in order to be pressed on this LGP 20.And see through these threaded portion 64 spiral shells and wear those perforation 22, those open-works 42, and screw lock is in these screws 12, can make this LGP 20, this reflector plate 40 and this backboard 10 pressing fully closely effectively, avoid 10 of this LGP 20 and this backboards to produce the space, cause these LGP 20 warpages and cause the phenomenon of the bright dark inequality of picture of liquid crystal indicator.
Cooperate and to consult Fig. 5, be the schematic diagram of the supporting component 60 ' of second embodiment of the invention.This supporting component 60 ' includes a pedestal 62 ', a threaded portion 64 ', a support column 68 '.This threaded portion 64 ' is to be stretched out by one of this pedestal surface, and is formed with screw thread in extended spot.This support column 68 ' is that another surface by this pedestal stretches out, and the tail end of this support column is formed with a taper portion 69 '.This supporting component 60 ' does not have the stop part 66 of above-mentioned supporting component 60, makes on the integral manufacturing more easyly, equally can reach the function identical with this supporting component 60.
Comprehensive the above, the present invention discloses a kind of one of the inner use of side light type back light module supporting component 60 that is used in, this supporting component 60 is in order to have this diffuser plate 50 being fixed on this LGP 20 an of preset distance, and can avoid this diffuser plate 50 because of being used in large-scale liquid crystal indicator effectively, oversize and cause the phenomenon of central concave.In addition, because this supporting component 60 is to utilize the screw lock mode to lock, along with the thickness difference of backboard, the locking degree of depth of this supporting component 60 also can adjust at any time, make this pedestal 62 that is arranged at supporting component 60 be able to press smoothly and put this LGP 20, to avoid this LGP warpage.
The above only is the present invention's preferred embodiment, and when the scope that can not limit the invention process, promptly all equalizations of doing according to the present patent application claim change and modify etc., all should still belong in the claim protection domain of the present invention.
Claims (9)
1. supporting component, be to be applied in the side light type back light module, this backlight module includes at least one backboard, at least one LGP and at least one diffuser plate, and this supporting component is to be arranged between this LGP and this diffuser plate, and it is characterized in that: this supporting component comprises: a pedestal; One threaded portion is to be stretched out and be formed with screw thread by one of this pedestal surface; One support column is that another surface by this pedestal stretches out, and is formed with a taper portion in the tail end of this support column; This taper portion is resisted against this diffuser plate; This threaded portion is to run through this LGP and screw lock on this backboard.
2. supporting component according to claim 1 is characterized in that also comprising: a stop part is to be arranged between this pedestal and this threaded portion.
3. supporting component according to claim 2 is characterized in that: the thickness of this stop part is the thickness that adds this reflector plate less than the thickness of this LGP.
4. a side light type back light module comprises: at least one backboard is to be provided with a plurality of screws; At least one LGP is to be arranged on this backboard, on this LGP is to be formed with perforation a plurality of and the corresponding setting of those screws, and this LGP has exiting surface and at least one side in abutting connection with this exiting surface of this backboard of an almost parallel; At least one luminescence unit is this side that is arranged at this LGP, and emits beam towards this side; At least one diffuser plate, be with a preset distance be arranged at this LGP top; And a plurality of supporting components, be to run through those perforation and be fixed at those screws, it is characterized in that: those supporting components comprise: a pedestal; One threaded portion be to be stretched out by the direction of one of this pedestal surface towards this backboard, and extended spot is formed with a screw thread; One support column is to be stretched out by another surface of this pedestal direction towards this diffuser plate, and is formed with a taper portion in the tail end of this support column; The taper portion of this supporting component is resisted against this diffuser plate; This threaded portion be run through those the perforation and screw lock in this screw.
5. side light type back light module according to claim 4 is characterized in that also comprising: a stop part is arranged between this pedestal and this threaded portion.
6. side light type back light module according to claim 5 is characterized in that: the thickness of this stop part is the thickness that adds this reflector plate less than the thickness of this LGP.
7. side light type back light module according to claim 4 is characterized in that also comprising: one is arranged at the reflector plate between this backboard and this LGP, and is formed with open-work a plurality of and the corresponding setting of those screws on this reflector plate.
8. side light type back light module according to claim 4 is characterized in that: this LGP is to use the polymethyl methacrylate material to make.
9. side light type back light module according to claim 4 is characterized in that: this luminescence unit is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910225355XA CN102062329B (en) | 2009-11-17 | 2009-11-17 | Edge type backlight module and support component used in same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910225355XA CN102062329B (en) | 2009-11-17 | 2009-11-17 | Edge type backlight module and support component used in same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102062329A true CN102062329A (en) | 2011-05-18 |
| CN102062329B CN102062329B (en) | 2012-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910225355XA Expired - Fee Related CN102062329B (en) | 2009-11-17 | 2009-11-17 | Edge type backlight module and support component used in same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102062329B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628570A (en) * | 2012-03-28 | 2012-08-08 | 深圳市华星光电技术有限公司 | Display device and backlight module thereof |
| US10649135B2 (en) | 2017-10-23 | 2020-05-12 | Samsung Electronics Co., Ltd. | Display apparatus |
| CN113641032A (en) * | 2020-05-11 | 2021-11-12 | 苏州乐轩科技有限公司 | Brightening support column and backlight module with same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044029Y (en) * | 2007-03-30 | 2008-04-02 | 上海向隆电子科技有限公司 | Backlight module device and assembled device of backlight module and liquid crystal display board thereof |
| CN201666551U (en) * | 2009-11-17 | 2010-12-08 | 苏州向隆塑胶有限公司 | Side light type backlight module and support assembly used inside of the module |
-
2009
- 2009-11-17 CN CN200910225355XA patent/CN102062329B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628570A (en) * | 2012-03-28 | 2012-08-08 | 深圳市华星光电技术有限公司 | Display device and backlight module thereof |
| WO2013143174A1 (en) * | 2012-03-28 | 2013-10-03 | 深圳市华星光电技术有限公司 | Display device and backlight module thereof |
| US10649135B2 (en) | 2017-10-23 | 2020-05-12 | Samsung Electronics Co., Ltd. | Display apparatus |
| CN113641032A (en) * | 2020-05-11 | 2021-11-12 | 苏州乐轩科技有限公司 | Brightening support column and backlight module with same |
| CN113641032B (en) * | 2020-05-11 | 2024-01-30 | 苏州乐轩科技有限公司 | Brightness enhancement support column and backlight module with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102062329B (en) | 2012-04-11 |
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Effective date of registration: 20180913 Address after: 215151 No. 468 Songshan Road, Suzhou New District, Suzhou, Jiangsu. Patentee after: Suzhou Maoli Optoelectronics Technology Co.,Ltd. Address before: 215151 No. 470 Songshan Road, Suzhou New District, Jiangsu Patentee before: SUZHOU XIANGLONG PLASTIC Co.,Ltd. |
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Granted publication date: 20120411 Termination date: 20211117 |
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