CN204420769U - A kind of backlight module and display floater - Google Patents
A kind of backlight module and display floater Download PDFInfo
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- CN204420769U CN204420769U CN201520158363.8U CN201520158363U CN204420769U CN 204420769 U CN204420769 U CN 204420769U CN 201520158363 U CN201520158363 U CN 201520158363U CN 204420769 U CN204420769 U CN 204420769U
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Abstract
The utility model discloses a kind of backlight module, comprise light shield layer, blooming, light guide plate and luminescence component, it is characterized in that, described light guide plate is provided with the groove structure of bearing optical film and luminescence component, and at least one side of described groove structure is coated with ink with mirror effect and/or dark ink.The invention also discloses a kind of display floater comprising this backlight module.This backlight module adopts the combination of the light guide plate and ink with mirror effect and/or dark ink with groove structure to instead of existing adhesive frame structure, eliminates existing glue frame and makes the restriction of width and decrease the die sinking expense of glue frame, reduce costs.
Description
Technical field
The utility model relates to display field, particularly relate to a kind of backlight module and comprises the display floater of this backlight module.
Background technology
In field of liquid crystal display, glue frame for backlight module is support component important in backlight module, along with liquid crystal display module is towards the future development of narrow frame, challenge be it is also proposed to manufacturing and designing of backlight module, in current backlight industry, the mentality of designing of the narrow frame of most manufacturer constantly compresses the width of glue frame, improves the ability of glue frame injection mo(u)lding.Such mode requires very high to injection-moulding device, material, assembly technology etc., and costly, room for promotion is limited in die sinking.
The difficult point that the narrow frame of current restriction backlight module makes is glue frame 7 width, as shown in Figure 1, existing glue frame 7 width dimensions can accomplish 0.5mm, but the product of more than 4 cun, very soft, the easy distortion of so narrow glue frame, the problem that assembly difficulty is large, fraction defective is high.When backlight design, diaphragm and light guide plate 1 ' are all large than backlight VA district, and glue frame 7 width also needs large as far as possible.Backlight border width (to backlight profile distance, backlight VA district refers to View area, viewing area in backlight VA district) is only had to the product of below 0.8mm, by design traditional at present, design difficulty is very large, and the effect that there is vision area edge is bad.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art, the utility model provides a kind of backlight module, the combination of the light guide plate and ink with mirror effect and/or dark ink with groove structure is adopted to instead of existing adhesive frame structure, eliminate existing glue frame make the restriction of width and decrease the die sinking expense of glue frame, reduce costs.The utility model additionally provides a kind of display floater comprising this backlight module.
Technical problem to be solved in the utility model is achieved by the following technical programs:
A kind of backlight module, comprise light shield layer, blooming, light guide plate and luminescence component, it is characterized in that, described light guide plate is provided with the groove structure of bearing optical film and luminescence component, and at least one side of described groove structure is coated with ink with mirror effect and/or dark ink.
Preferably, described ink with mirror effect is mirror-like silver ink.
Preferably, described dark ink is black ink.
Preferably, described blooming comprises the diffusion barrier of lamination from lower to upper, lower bright enhancement film and upper bright enhancement film, and by the reflectance coating of double faced adhesive tape bottom described light guide plate.
A kind of display floater, comprises arbitrary above-mentioned backlight module.
The utility model has following beneficial effect:
(1) compared with prior art, this backlight module adopts the combination of the light guide plate and ink with mirror effect and/or dark ink with groove structure to instead of existing adhesive frame structure, eliminate glue frame make the restriction of width and decrease the die sinking expense of glue frame, reduce costs;
(2) light reflection of light guide plate side is gone back to light guide plate inside by described ink with mirror effect, and owing to there is not the gap between glue frame and light guide plate, the loss of reflection ray can be lower;
(3) described dark ink absorbs the light that light guide plate side spills, thus reaches the object preventing side light leakage;
(4) after removing glue frame, described light guide plate area can be increased to periphery, and large-area light guide plate profile support strength can be better.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of prior art backlight module;
Fig. 2 is the top view of the utility model backlight module;
Fig. 3 is the sectional view at A-A place in Fig. 2;
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of Fig. 2;
Fig. 5 is the enlarged diagram at B place in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in detail.
With reference to the top view of the backlight module 100 that Fig. 2 to Fig. 4, Fig. 2 provide for the present embodiment, Fig. 3 is the sectional view of A-A line in Fig. 1, and Fig. 4 is the decomposition texture schematic diagram of Fig. 2.As shown in the figure, described backlight module 100 comprises light shield layer 3, blooming, light guide plate 1 and luminescence component 8.Described blooming comprises the diffusion barrier 23 of lamination from lower to upper, lower bright enhancement film 22 and upper bright enhancement film 21, and is attached to the reflectance coating 24 bottom described light guide plate 1 by double faced adhesive tape 4.At least one light source that described luminescence component 8 comprises a FPC plate and is located on described FPC plate, described light source is preferably LED.
Described light guide plate 1 is provided with the groove structure of bearing optical film and luminescence component 8, and described groove structure one side is provided with for holding light source and the accommodation section corresponding with described light source.There are diffusion barrier 23, lower bright enhancement film 22 and upper bright enhancement film 21 in described groove structure inside from lower to upper lamination.Described light shield layer 3 is fitted in above described light guide plate 1.The effect of glue frame in backlight module 100 of prior art mainly supports contour structures, is gone back by light guide plate 1 side light reflection, light leak is covered in periphery.Supporting contour structures in embodiment is that light guide plate 1 by having groove structure realizes, and light guide plate 1 material can be PC material, can also be PMMA material, but be not limited to this.
In order to described light guide plate 1 side light reflection is gone back, can at least one side of described light guide plate 1 (i.e. described groove structure side, be preferably outside four sides) apply the ink with mirror effect 5 with reflex, can be good at reflection light plate 1 side light like this.Preferably, described ink with mirror effect can be mirror-like silver ink, the argentum reflecting layer obtained after mirror-like silver ink coating drying, but is not limited to this.
Make further improvements, the effect that light leak is covered in periphery by having the dark ink 6 of absorption effects in described light guide plate 1 side coating, can also have the dark ink 6 of absorption effects by coating on described ink with mirror effect.Described dark ink 6 is preferably black ink, but is not limited to this.
A kind of backlight module that the utility model provides, realizing the function of prior art glue frame, can replace glue frame, solving the restricted problem of glue frame width design in prior art by having the light guide plate of groove structure and/or ink with mirror effect and/or dark ink.After removing glue frame, described light guide plate is increased to periphery, and large-area light guide plate profile support strength can be better; And owing to there is not the gap between glue frame and light guide plate, the loss of reflection ray can be lower.The light reflection of light guide plate side can be gone back to light guide plate inside by ink with mirror effect simultaneously, and the light absorption that light guide plate side can spill by dark ink, thus reaches the object preventing side light leakage.During specific implementation, adopt the mode of coating printing ink, ink with mirror effect and dark ink are respectively mirror-like silver ink and black ink, its overall width W2 can be less than 0.1mm, be that (namely backlight VA district is to the distance of backlight periphery for 0.8mm for backlight module border width W1, three side width of the non-placement light source of main finger, as shown in Figure 5) narrow frame backlight module can more easily make below.Also the corresponding die sinking expense decreasing glue frame after removing glue frame, reduces costs.
The present embodiment additionally provides a kind of display floater, comprises arbitrary above-mentioned backlight module 100.
The above embodiment only have expressed embodiment of the present utility model; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the utility model the scope of the claims; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection domain of the present utility model.
Claims (5)
1. a backlight module, comprises light shield layer, blooming, light guide plate and luminescence component, it is characterized in that, described light guide plate is provided with the groove structure of bearing optical film and luminescence component, and at least one side of described groove structure is coated with ink with mirror effect and/or dark ink.
2. backlight module according to claim 1, is characterized in that, described ink with mirror effect is mirror-like silver ink.
3. backlight module according to claim 1, is characterized in that, described dark ink is black ink.
4. backlight module according to claim 1, is characterized in that, described blooming comprises the diffusion barrier of lamination from lower to upper, lower bright enhancement film and upper bright enhancement film, and by the reflectance coating of double faced adhesive tape bottom described light guide plate.
5. a display floater, is characterized in that, comprises the arbitrary described backlight module of Claims 1-4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520158363.8U CN204420769U (en) | 2014-12-12 | 2015-03-20 | A kind of backlight module and display floater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420780813 | 2014-12-12 | ||
| CN2014207808132 | 2014-12-12 | ||
| CN201520158363.8U CN204420769U (en) | 2014-12-12 | 2015-03-20 | A kind of backlight module and display floater |
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| Publication Number | Publication Date |
|---|---|
| CN204420769U true CN204420769U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520158363.8U Active CN204420769U (en) | 2014-12-12 | 2015-03-20 | A kind of backlight module and display floater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031537A1 (en) * | 2019-08-22 | 2021-02-25 | 武汉华星光电半导体显示技术有限公司 | Flexible cover panel, flexible display device, and method for manufacturing flexible cover panel |
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2015
- 2015-03-20 CN CN201520158363.8U patent/CN204420769U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021031537A1 (en) * | 2019-08-22 | 2021-02-25 | 武汉华星光电半导体显示技术有限公司 | Flexible cover panel, flexible display device, and method for manufacturing flexible cover panel |
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