CN101000423A - Backlight module - Google Patents
Backlight module Download PDFInfo
- Publication number
- CN101000423A CN101000423A CN 200610002564 CN200610002564A CN101000423A CN 101000423 A CN101000423 A CN 101000423A CN 200610002564 CN200610002564 CN 200610002564 CN 200610002564 A CN200610002564 A CN 200610002564A CN 101000423 A CN101000423 A CN 101000423A
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- China
- Prior art keywords
- backlight module
- periphery
- column
- guide plate
- light guide
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Abstract
A backlight module consists of a light guiding plate with at least a lug or at least a notch and an external frame with at least a vertical column. It is featured as enabling to check lug or notch on light guiding plate with vertical column on external frame to each other when light guiding plate is combined with external frame.
Description
[technical field]
The present invention is relevant a kind of backlight module, particularly about a kind of light guide plate location structure of backlight module.
[background technology]
Along with the progress of science and technology, LCD is owing to possess the characteristic of frivolous, power saving etc., and application enlarges rapidly, but because LCD is the display device of non-self-luminosity, needs could produce Presentation Function by backlight module.Wherein, the light guide plate locator meams generally all adopts the stamping forming plate washer of glue frame or backboard.With glue frame lightguide plate fixing, advantage is that shape can be revised arbitrarily according to mould; Shortcoming is that the light guide plate assembling need be adopted the reverse side assembling, but the reverse side assembling operation time is long and yield is relatively poor, the main flow trend of non-open market.See also Fig. 1, Fig. 1 is the structure vertical view of the backlight module 100 ' of prior art, and with backboard 400 ' the stamping forming plate washer 410 ', advantage is that intensity is good; But the cusp 330 ' of light guide plate 300 ' lug 320 ' easily produces prism optically focused phenomenon.A kind of practice of improvement is that light guide plate lug and light guide plate junction are formed a circular arc, but if the little ear's light leak that causes easily in arc radius angle, if the arc radius of light guide plate ear strengthens, light guide plate ear can be contacted by face with the baffle plate of backboard and become the line contact, and the light guide plate ear of the test that easily impacts breaks.So will keep same contact area, ear's design size of the corresponding light guide plate of backboard must be stretched out, but the requirement of so running counter to the narrow margo frontalis of product again.
[summary of the invention]
In order to solve the problem of light guide plate ear light leak, one of the present invention embodiment provides a kind of backlight module, and it is enough to utilize column to guarantee with the light guide plate contact area, to reach the purpose that prevents light leak.
In order to strengthen backlight modular structure, one of the present invention embodiment utilizes column, is applied in the backlight module.Utilization can be chimeric up and down column fixing glue frame with backboard and locate light guide plate, provide support light guide plate simultaneously and add the strong rubber frame and the integrally-built effect of backboard.
For reaching above-mentioned purpose, embodiment provides a kind of backlight module one of according to the present invention, comprising: a light guide plate, and wherein, light guide plate comprises at least one first periphery and at least one second periphery, and first periphery and the second periphery junction form a lead angle; And a housing, around first periphery and second periphery of light guide plate, and comprise at least one column, and lead angle system engages mutually with column.
Below cooperate appended graphic explanation in detail by specific embodiment, when the effect that is easier to understand purpose of the present invention, technology contents, characteristics and is reached.
[description of drawings]
Fig. 1 is the vertical view of the backlight module of prior art.
Fig. 2 is the schematic perspective view of the backlight module of one of the present invention embodiment.
Fig. 3 is the schematic perspective view of the backlight module of another embodiment of the present invention.
Fig. 4 is the schematic perspective view of the backlight module light guide plate of an embodiment more of the present invention.
[embodiment]
See also Fig. 2, Fig. 2 is the schematic perspective view of the backlight module of one of the present invention embodiment.In this embodiment, backlight module 100 is to comprise a light guide plate 300 and a corresponding housing 400.Wherein, light guide plate 300 comprises first periphery 310 and second periphery 311, and first periphery 310 and second periphery, 311 junctions form a lead angle 330, for example an arc lead angle, in an embodiment, second periphery 311 defines a projection 320 with lead angle 330 and protrudes first periphery 310.And in an embodiment, projection 320 is the non-light incidence side that is positioned at this light guide plate, like this to optical image minimum.Then, one housing 400, backboard for example, it is to center on first periphery 310 and second periphery 311 of light guide plate 300 at least, and comprises at least one column 410, for example circular columns, cylindroid, in an embodiment, column 410 quantity systems and lead angle 330 quantity are worked in coordination, person more, and column 410 shapes system cooperates lead angle 330 shapes, make 400 groups of light guide plate 300 and housings immediately, column 410 can engage mutually with lead angle 330, by line contact becoming face contact originally, not only strengthens the contact area of light guide plate 300 and column 410, prevent the generation of light leak, column 410 more has the effect of location, cause 100 groups of backlight modules upright after, light guide plate 300 not reason is moved and is offset.In an embodiment, column 410 be with riveted joint, welding method is fixed in housing, and column 410 can be to screw togather element, for example screw or the cylinder of metal material, and can fix or screw togather with glue frame (not shown) be strengthened the one-piece construction of backlight module 100.
Please continue with reference to figure 3, it is the schematic perspective view according to the another embodiment of the present invention backlight module.In this embodiment, backlight module 102 is to comprise a light guide plate 302 and a corresponding housing 402.Wherein, light guide plate 302 comprises first periphery 312 and second periphery 313, and first periphery 312 and second periphery, 313 junctions form a lead angle 332, for example an arc lead angle, in an embodiment, second periphery 313 defines a breach 340 recessed first peripheries 312 with lead angle 332.In an embodiment, breach 340 can be distributed on first periphery 312 symmetrically.Then, one housing 402 is provided, backboard for example, it is first periphery 312 and second periphery 313 that centers on light guide plate 302 at least, and comprise at least one column 412, circular columns for example, cylindroid, in an embodiment, lead angle 332 quantity on column 412 quantity systems and the breach 340 are worked in coordination, more the person, column 412 shapes system cooperates lead angle 332 shapes, make that when light guide plate 302 combined with housing 402, column 412 can engage mutually with lead angle 332, not only produces locating effect, and the contact area that causes both via the light guide plate 302 and the snap-fit relationship of column 412 contacts by line and becomes the face contact, in case the generation of leak-stopping light.In an embodiment, column 412 be with riveted joint, welding method is fixed in housing, and column 412 can be to screw togather element, for example screw or the cylinder of metal material, and can fix or screw togather with glue frame (not shown) be strengthened the one-piece construction of backlight module 102.
Next, Fig. 4 is the backlight module schematic perspective view according to an embodiment more of the present invention, and it is described in detail as follows.At first in this embodiment, backlight module 104 is to comprise a light guide plate 304 and a corresponding housing 404.Wherein, comprise at least one lead angle 334 on the periphery 314 of light guide plate 304, an arc lead angle for example, in an embodiment, lead angle 334 can be distributed on the periphery 314 symmetrically.As shown in the figure, the present embodiment system lead angle 334 that illustrates four symmetries is arranged at four corners of light guide plate 304 peripheries 314.Please continue referring to Fig. 4, a housing 404, for example backboard is to comprise at least one column 414, for example circular columns, cylindroid.And the quantity of lead angle 334 is worked in coordination on the quantity system of column 414 and the light guide plate 304, person more, the shape of form fit light guide plate 304 lead angles 334 of column 414, make that 404 groups of light guide plate 304 and housings are upright after, column 414 can engage mutually with lead angle 334, by line contact becoming face contact originally, not only strengthen the contact area of light guide plate 304 and column 414, prevent the generation of light leak, column 414 more has the effect of location, after causing 104 groups of backlight modules to stand, light guide plate 304 unlikely skews.Identical with previous embodiment, column 414 is to be fixed in housing with riveted joint, welding method, and column 414 can be to screw togather element, for example screw or the cylinder of metal material, and can fix or screw togather with glue frame (not shown), strengthen the one-piece construction of backlight module 104.
Comprehensively above-mentioned, one of the present invention embodiment provides a kind of backlight module, and it is to provide at least one column to cooperate arc lead angle on the light guide plate, makes light guide plate and column remain surface contact state, preventing light guide plate optically focused phenomenon, and then prevents light leak.Again, the arc lead angle on the light guide plate, the lead angle angle can become arbitrarily greatly, only needs the corresponding column of fit shapes to get final product.Moreover column not only can be located light guide plate, and what make does not slide because of moving, and more can provide support, and makes the structural strength of backlight module increase.
The above is by embodiment characteristics of the present invention to be described, its purpose is had the knack of this operator and can Liao be separated content of the present invention and implement according to this making, and non-limiting claim of the present invention, so, all other do not break away from equivalence modification or the modification that disclosed spirit is finished, and must be included in the claim of the following stated.
Claims (10)
1. backlight module comprises:
One light guide plate, this light guide plate comprise at least one first periphery and at least one second periphery, and this first periphery and this second periphery junction form a lead angle; And
One housing, it is around this first periphery of this light guide plate and this second periphery, and comprises at least one column, and this lead angle system engages mutually with this column.
2. backlight module according to claim 1 is characterized in that, this lead angle is the arc lead angle.
3. backlight module according to claim 2 is characterized in that, this column be cylindrical and cylindroid one of them.
4. backlight module according to claim 1 is characterized in that, the shape system of this column cooperates the shape of this lead angle.
5. backlight module according to claim 1 is characterized in that, this housing is fixed in riveted joint, welding method in this column system.
6. backlight module according to claim 1 is characterized in that this column is to screw togather element.
7. backlight module according to claim 6 is characterized in that this screws togather element is screw.
8. backlight module according to claim 1 is characterized in that, this column is that metal material constitutes.
9. backlight module according to claim 1 is characterized in that, this second periphery system defines a projection with this lead angle and protrudes from this first periphery.
10. backlight module according to claim 1 is characterized in that, this second periphery system defines a breach with this lead angle and is recessed in this first periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610002564 CN101000423A (en) | 2006-01-09 | 2006-01-09 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610002564 CN101000423A (en) | 2006-01-09 | 2006-01-09 | Backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101000423A true CN101000423A (en) | 2007-07-18 |
Family
ID=38692458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610002564 Pending CN101000423A (en) | 2006-01-09 | 2006-01-09 | Backlight module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101000423A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155687A (en) * | 2011-03-04 | 2011-08-17 | 深圳市华星光电技术有限公司 | Backlight module, liquid crystal display device and backing plate |
| CN102445772A (en) * | 2010-10-15 | 2012-05-09 | 林安伸 | Exterior component applied to two-dimensional display and manufacturing method thereof |
| CN102748596A (en) * | 2011-04-18 | 2012-10-24 | 扬升照明股份有限公司 | Lamp |
| CN101435936B (en) * | 2007-11-12 | 2013-06-12 | 群创光电股份有限公司 | Backlight module and display apparatus |
| US8721156B2 (en) | 2011-03-04 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and backplate of the backlight module |
| US8899788B2 (en) | 2011-03-01 | 2014-12-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light source fixing device, light source assembly and assembling method thereof |
| CN105954925A (en) * | 2016-06-08 | 2016-09-21 | 青岛海信电器股份有限公司 | Side-in type backlight module and liquid crystal display device |
-
2006
- 2006-01-09 CN CN 200610002564 patent/CN101000423A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435936B (en) * | 2007-11-12 | 2013-06-12 | 群创光电股份有限公司 | Backlight module and display apparatus |
| CN102445772A (en) * | 2010-10-15 | 2012-05-09 | 林安伸 | Exterior component applied to two-dimensional display and manufacturing method thereof |
| US8899788B2 (en) | 2011-03-01 | 2014-12-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Light source fixing device, light source assembly and assembling method thereof |
| CN102155687A (en) * | 2011-03-04 | 2011-08-17 | 深圳市华星光电技术有限公司 | Backlight module, liquid crystal display device and backing plate |
| US8721156B2 (en) | 2011-03-04 | 2014-05-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and backplate of the backlight module |
| CN102748596A (en) * | 2011-04-18 | 2012-10-24 | 扬升照明股份有限公司 | Lamp |
| CN105954925A (en) * | 2016-06-08 | 2016-09-21 | 青岛海信电器股份有限公司 | Side-in type backlight module and liquid crystal display device |
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