CN204806114U - Backlight module and liquid crystal display device - Google Patents
Backlight module and liquid crystal display device Download PDFInfo
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- CN204806114U CN204806114U CN201520517095.4U CN201520517095U CN204806114U CN 204806114 U CN204806114 U CN 204806114U CN 201520517095 U CN201520517095 U CN 201520517095U CN 204806114 U CN204806114 U CN 204806114U
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- fixed part
- reflector plate
- backlight module
- glue frame
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Abstract
The utility model relates to a technical field of LCD screen provides a backlight unit and has had this kind of backlight unit's liquid crystal disply device. The utility model provides a backlight unit, including reflector plate, gluey frame and at least one fixed part. Gluing the frame and including a plurality of sides, fixed part is used for being fixed in this glue frame with the reflector plate, and this fixed part sets up on the side and from the side to gluing the inboard extension of frame. Compared with the prior art, the utility model provides a backlight unit adopts on fixed part is fixed in this glues frame with the reflector plate, can avoid the liquid crystal display panel to appear making the phenomenon of reflector plate fold because of the sticky tape mode of fixing when carrying out the reliability experiment, and reflector plate assembly and disassembly convenience, has practiced thrift the cost of manufacture. The utility model provides a liquid crystal disply device, the installation of reflector plate is more firm, has reduced the cost of manufacture to life has been improved.
Description
Technical field
The utility model relates to Display Technique field, particularly relates to a kind of backlight module and liquid crystal indicator.
Background technology
Along with the development of consumer electronics and communication product, liquid crystal indicator has been widely used on the products such as LCD TV, computer and smart mobile phone.In general, liquid crystal indicator mainly comprises display panels and backlight module (BacklightUnit).
Backlight module is the light source of liquid crystal display, is made up of elements such as light source, light guide plate (LightGuidePlate, LGP), reflector plate (ReflectorSheet), blooming piece and glue frames.The glue frame of backlight module, for placing the elements such as liquid crystal panel, light source, light guide plate, reflector plate and optical film material, plays the effect of fixing module simultaneously.
At present, in existing backlight module, reflector plate fixed form is generally two kinds, a kind of mode pastes two-sided tape on reflector plate surface to be fixed on light guide plate, but, this mode very easily causes liquid crystal indicator, and when reliability is tested, reflector plate cannot free harmomegathus and cause buckling problems, in addition, assembling procedure also can be caused to increase and the problem such as material cost rising occurs.Another kind of mode is directly lain in the groove of backboard by reflector plate, but this mode must use backboard, can increase the thickness of liquid crystal module entirety, increases cost of manufacture.
Utility model content
Technical problem to be solved in the utility model is the liquid crystal indicator providing a kind of backlight module and have this kind of backlight module, for solving in prior art, reflector plate fold is made because of adhesive tape fixed form when adopting the backlight module of two-sided tape fixation reflex sheet to do reliability experiment after being assembled into liquid crystal indicator, and operation increases and the defect of cost increase, and adopt the backlight module of the solid reflector plate in backboard top, to the thickness of liquid crystal module entirety be increased, increase cost of manufacture.
A kind of backlight module that the utility model provides, comprising:
Reflector plate;
Glue frame, comprises multiple side;
At least one fixed part, for described reflector plate is fixed on this glue frame, fixed part described at least one to be arranged on described side and to extend inside described glue frame from described side.
Further, described fixed part and described glue frame one-body molded.
Further, there is predetermined gap between described fixed part and this side, the size of described predetermined gap is greater than the thickness of described reflector plate.
Further, there is predetermined gap between described fixed part and this side, the size of described predetermined gap equals the thickness of described reflector plate.
Further, described fixed part is planar structure, and this planar structure extends to another side from a side.
Further, described fixed part is linear structure, and this linear structure extends to another side from a side.
Further, described side comprises four first sides connected from beginning to end, second side, the 3rd side and four side, the quantity of described fixed part is two, one of them fixed part is arranged between described first side and described second side, and another fixed part is arranged between described 3rd side and described four side.
Or, described side comprises four first sides connected from beginning to end, second side, the 3rd side and four side, the quantity of described fixed part is four, is separately positioned between described first side and described second side, between described second side and described 3rd side, between described 3rd side and described four side and between described four side and described first side.
Further, backlight module also comprises:
Blooming piece, is arranged in described glue frame;
Light guide plate, is arranged in described glue frame and between described optical diaphragm group and described reflecting plate, described light guide plate comprises an incident side; And
Light source, is arranged at the incident side of described light guide plate;
Described blooming piece comprises from described light guide plate surface to folded diffusion sheet, the first brightening piece and the second brightening piece established of direction order away from described reflector plate.
A kind of liquid crystal indicator that the utility model provides, comprises above-mentioned backlight module.
Be compared with the prior art, the backlight module that the utility model provides, fixed part is adopted to be fixed on by reflector plate on this glue frame, liquid crystal indicator there is making because reflector plate adopts adhesive tape fixed form the phenomenon of reflector plate fold when can be avoided to carry out reliability experiment, and reflector plate assembly and disassembly is convenient, has saved cost of manufacture.
Be compared with the prior art, the liquid crystal indicator that the utility model provides, the installation of reflector plate is more firm, reduces cost of manufacture, makes backlight module lightening and improve service life.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the backlight module that the utility model embodiment one provides;
Fig. 2 is the schematic perspective view of the glue frame that the utility model embodiment one provides;
Fig. 3 is the enlarged drawing in A portion in Fig. 2;
Fig. 4 is the schematic perspective view after the combination of the backlight module that the utility model embodiment one provides;
Fig. 5 is the enlarged drawing in B portion in Fig. 4;
Fig. 6 is the schematic perspective view of the glue frame that the utility model embodiment two provides;
Fig. 7 is the enlarged drawing in C portion in Fig. 6;
Fig. 8 is the schematic perspective view of the glue frame that the utility model embodiment three provides;
Fig. 9 is the enlarged drawing in D portion in Fig. 8;
Figure 10 is the schematic perspective view of the glue frame that the utility model embodiment four provides;
Figure 11 is the enlarged drawing in D portion in Figure 10.
Detailed description of the invention
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The backlight module that the utility model provides, comprises reflector plate, glue frame and at least one fixed part.Glue frame comprises multiple side, and fixed part is for being fixed on this glue frame by reflector plate, this fixed part to be arranged on side and to extend inside glue frame from side.
The backlight module that the utility model provides, fixed part is adopted to be fixed on by reflector plate on this glue frame, liquid crystal indicator there is making because reflector plate adopts adhesive tape fixed form the phenomenon of reflector plate fold when can be avoided to carry out reliability experiment, and reflector plate assembly and disassembly is convenient, has saved cost of manufacture.
Below in conjunction with concrete accompanying drawing, realization of the present utility model is described in detail.
Embodiment one
As shown in Figures 1 to 5, be a preferred embodiment that the utility model provides.
For sake of convenience, hereinafter alleged " left side " " right side " " on " D score to consistent, but do not play restriction effect to structure of the present utility model with left and right, the upper and lower of accompanying drawing itself.
In the present embodiment, see Fig. 1, backlight module 1 comprises glue frame 2, is arranged on the reflector plate 3 of this glue frame 2 upper surface and is set in sequence in light guide plate 4, blooming piece 5 and the shading rubber belt 6 in glue frame 2 from top to bottom, blooming piece 5 comprise by from stacked diffusion sheet 51, first brightening piece 52 of lower order and the second brightening piece 53.Light guide plate 4 comprises an incident side 4a, and light source 21 is positioned at the incident side 4a of this light guide plate 4.
Glue frame 2, include but are not limited to: end to end four sides (certainly, the quantity of side can adjust according to the shape of glue frame 2), four sides are respectively first side 22, second side 23, the 3rd side 24 and four side 25.
Fixed part 7, for reflector plate 3 is fixed on this glue frame 2, see Fig. 1 to Fig. 5, in the present embodiment, fixed part 7 is linear structure, is trapezoidal plate body, and with glue frame 2 is one-body molded (can certainly be shaping separately, and be fixedly connected with glue frame 2 by all existing fixed forms such as bondings), this linear structure extends to another side from a side.As can be seen from Figure 1, fixed part 7 is formed in the uper side surface of each side of glue frame 2, the quantity of the fixed part 7 of the uper side surface formation of glue frame 2 is four, lays respectively between first side 22 and second side 23, between second side 23 and the 3rd side 24, between the 3rd side 24 and four side 25 and between four side 25 and first side 22.As can be seen from Fig. 2 and 3, there is predetermined gap 10 between the uper side surface of each fixed part 7 and each side of glue frame 2, the corner for reflector plate 3 is inserted, thus each corner of reflector plate 3 is all fixedly connected on the uper side surface of glue frame 2.As can be seen from Figure 4 and 5, the size of the predetermined gap 10 between fixed part 7 with each side substantially identical with the thickness of reflector plate 3 (certainly can slightly larger than the thickness of reflector plate 3), makes reflector plate 3 insert between back reflection sheet 3 and glue frame 2 fixing more firm.The fixed part 7 of linear structure, after reflector plate 3 inserts, the corner of reflector plate 3 can at least be passed by fixed part 7, can assign to judge whether reflector plate 3 is assembled put in place by observation reflector plate 3 four corner exposed divisions.
Certainly, the quantity of fixed part 7 also can be other numbers, during as adopted two, a fixed part 7 is respectively designed at the diagonal position of glue frame 2, namely one of them fixed part 7 is arranged between first side 22 and second side 23, and another fixed part 7 is arranged between the 3rd side 24 and four side 25; Or one of them fixed part 7 is arranged between first side 22 and four side 25, another fixed part 7 is arranged between the 3rd side 24 and four side 25.Certainly, when the quantity of the fixed part 7 of the uper side surface formation of glue frame 2 is one, fixed part 7 can be arranged between first side 22 and the 3rd side 24, and namely one end of fixed part 7 is connected with first side 22, and the other end is connected with the 3rd side 24; Or fixed part 7 can be arranged between second side 23 and four side 25, namely one end of fixed part 7 is connected with second side 23, and the other end is connected with four side 25.Like this, the edge of reflector plate 3 is plugged in the two ends of fixed part 7 and the junction of corresponding side, and this reflector plate 3 is fixedly mounted on glue frame 2.
The liquid crystal indicator that the utility model provides, it comprises above-mentioned backlight module 1.
Above-mentioned liquid crystal indicator, the installation of reflector plate 3 is more firm, reduces cost of manufacture, and improves service life.
Embodiment two
Below in conjunction with accompanying drawing 6 and Fig. 7 only to elaborate with difference in embodiment one.
In the present embodiment, fixed part 7 is planar structure, for leg-of-mutton plate body, and with glue frame 2 is one-body molded (can certainly be shaping separately, and be fixedly connected with glue frame 2 by all existing fixed forms such as bondings), this planar structure extends to another side from a side.
Fixed part 7 is formed in the uper side surface of each side of glue frame 2, the quantity of the fixed part 7 of the uper side surface formation of glue frame 2 is four (but being not limited to four), lays respectively between first side 22 and second side 23, between second side 23 and the 3rd side 24, between the 3rd side 24 and four side 25 and between four side 25 and first side 22.There is predetermined gap 10 between the uper side surface of each fixed part 7 and each side of glue frame 2, the corner for reflector plate 3 is inserted, and each corner of reflector plate 3 is all fixedly connected on the uper side surface of glue frame 2.The size of the predetermined gap 10 between fixed part 7 with each side substantially identical with the thickness of reflector plate 3 (certainly can slightly larger than the thickness of reflector plate 3), makes reflector plate 3 insert to be connected between back reflection sheet 3 with glue frame 2 more firm.
Embodiment three
Below in conjunction with accompanying drawing 8 and Fig. 9 only to elaborate with difference in previous embodiment.
In the present embodiment, fixed part 7 is planar structure, for square plate body, and with glue frame 2 is one-body molded (can certainly be shaping separately, and be fixedly connected with glue frame 2 by all existing fixed forms such as bondings), the fixed part 7 of each planar structure is separately positioned on each side, and each fixed part 7 extends towards the length of side direction of this side respectively.
The quantity of the fixed part 7 of the uper side surface formation of glue frame 2 is four (but being not limited to four), lay respectively at first side 22, second side 23, the uper side surface centre position of the 3rd side 24 and four side 25 (certainly, also can optional position on side, or extend along the whole length direction of side to cover whole piece side), predetermined gap 10 is there is between the uper side surface of each fixed part 7 and each side of glue frame 2, periphery for reflector plate 3 inserts, and each periphery of reflector plate 3 is all fixedly connected on the uper side surface of glue frame 2.The size of the predetermined gap 10 between fixed part 7 with each side substantially identical with the thickness of reflector plate 3 (certainly can slightly larger than the thickness of reflector plate 3), makes reflector plate 3 insert to be connected between back reflection sheet 3 with glue frame 2 more firm.
Embodiment four
Below in conjunction with accompanying drawing 10 and Figure 11 only to elaborate with difference in previous embodiment.
In the present embodiment, fixed part 7 is linear structure, for hook-shaped plate body, and with glue frame 2 is one-body molded (can certainly be shaping separately, and be fixedly connected with glue frame 2 by all existing fixed forms such as bondings), the fixed part 7 of each planar structure is separately positioned on each side.
The quantity of the fixed part 7 of the uper side surface formation of glue frame 2 is four (but being not limited to four), lay respectively at first side 22, second side 23, the 3rd side 24 and four side 25 uper side surface centre position (certainly, also can optional position on side), predetermined gap 10 is there is between the uper side surface of each fixed part 7 and each side of glue frame 2, periphery for reflector plate 3 inserts, and each periphery of reflector plate 3 is all fixedly connected on the uper side surface of glue frame 2.It should be noted that, in the present embodiment and embodiment three, fixed part 7 quantity on each side on 22,23,24,25 can be multiple, and spacing side by side is arranged.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a backlight module, is characterized in that, comprising:
Reflector plate;
Glue frame, comprises multiple side;
At least one fixed part, for described reflector plate is fixed on described glue frame, fixed part described at least one to be arranged on described side and to extend inside described glue frame from described side.
2. backlight module according to claim 1, is characterized in that, described fixed part and described glue frame one-body molded.
3. backlight module according to claim 2, it is characterized in that there is predetermined gap between described fixed part and this side, the size of described predetermined gap is greater than the thickness of described reflector plate.
4. backlight module according to claim 2, it is characterized in that there is predetermined gap between described fixed part and this side, the size of described predetermined gap equals the thickness of described reflector plate.
5. backlight module according to claim 1, it is characterized in that, described fixed part is planar structure, and this planar structure extends to another side from a side.
6. backlight module according to claim 1, it is characterized in that, described fixed part is linear structure, and this linear structure extends to another side from a side.
7. backlight module according to claim 5 or 6, it is characterized in that, described side comprises four first sides connected from beginning to end, second side, the 3rd side and four side, the quantity of described fixed part is two, one of them fixed part is arranged between described first side and described second side, and another fixed part is arranged between described 3rd side and described four side.
8. backlight module according to claim 5 or 6, it is characterized in that, described side comprises four first sides connected from beginning to end, second side, the 3rd side and four side, the quantity of described fixed part is four, is separately positioned between described first side and described second side, between described second side and described 3rd side, between described 3rd side and described four side and between described four side and described first side.
9. backlight module according to any one of claim 1 to 6, is characterized in that, also comprises:
Blooming piece, is arranged in described glue frame;
Light guide plate, is arranged in described glue frame and between described optical diaphragm group and described reflecting plate, described light guide plate comprises an incident side; And
Light source, is arranged at the incident side of described light guide plate;
Described blooming piece comprises from described light guide plate surface to folded diffusion sheet, the first brightening piece and the second brightening piece established of direction order away from described reflector plate.
10. a liquid crystal indicator, is characterized in that, comprises backlight module as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517095.4U CN204806114U (en) | 2015-07-16 | 2015-07-16 | Backlight module and liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520517095.4U CN204806114U (en) | 2015-07-16 | 2015-07-16 | Backlight module and liquid crystal display device |
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| Publication Number | Publication Date |
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| CN204806114U true CN204806114U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520517095.4U Active CN204806114U (en) | 2015-07-16 | 2015-07-16 | Backlight module and liquid crystal display device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082631A1 (en) * | 2018-10-23 | 2020-04-30 | 惠州市华星光电技术有限公司 | Backlight module |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
-
2015
- 2015-07-16 CN CN201520517095.4U patent/CN204806114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020082631A1 (en) * | 2018-10-23 | 2020-04-30 | 惠州市华星光电技术有限公司 | Backlight module |
| WO2023103172A1 (en) * | 2021-12-09 | 2023-06-15 | 瑞仪光电(苏州)有限公司 | Backlight module and display apparatus |
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| GR01 | Patent grant |