CN204026331U - A kind of backlight module and display unit - Google Patents
A kind of backlight module and display unit Download PDFInfo
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- CN204026331U CN204026331U CN201420387911.XU CN201420387911U CN204026331U CN 204026331 U CN204026331 U CN 204026331U CN 201420387911 U CN201420387911 U CN 201420387911U CN 204026331 U CN204026331 U CN 204026331U
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- backlight module
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- photomask
- barrier film
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Abstract
The utility model provides a kind of backlight module and display unit.This backlight module comprises light processing unit, light processing unit comprises the reflector plate, light guide plate and the film material that cover successively and stack, the marginal end bread of light processing unit is provided with photomask, between the edge end face and photomask of light processing unit, be folded with barrier film.This backlight module is by sandwiched barrier film between the edge end face and photomask of light processing unit, make in the crack between the edge end face of light processing unit and photomask, to there will be no light to penetrate, thus make the surrounding edge of backlight module can not occur bright border phenomenon again, improving picture display quality.
Description
Technical field
The utility model relates to Display Technique field, particularly, relates to a kind of backlight module and display unit.
Background technology
Along with Display Technique development and society progress, liquid crystal indicator more and more widely apply by people, in industrial production, people's lives, play vital effect.
Usually be all provided with backlight module in liquid crystal indicator, backlight module is used for when showing for liquid crystal indicator provides backlight.Usually be all provided with light source and mutually cover the reflector plate, light guide plate and other optical films that stack in backlight module, these retes are used for processing the light that light source sends, more even to enable from the above-mentioned light covering the overall exiting surface injection of folded rete.In order to limit mutually covering the above-mentioned rete stacked and fix, usually glue frame is set at the surrounding edge covering the above-mentioned rete stacked, because the width of glue frame is larger, backlight module entirety is taken up room comparatively large, this can not meet the development trend of current narrow frame display device.
In order to realize the narrow frame of display unit, usual at present the surrounding edge covering the above-mentioned rete stacked is undertaken pasting and fixing by shading rubber belt, the light that shading rubber belt can prevent light source from sending is launched from the surrounding edge of above-mentioned rete, in order to avoid cause a large amount of losses of light.
But, because shading rubber belt and the surrounding edge covering folded rete are pasted together by glue line, glue line can to light generation refraction in various degree, transmission and diffuse reflection, thus make glue line place have light injection, this can cause the surrounding edge of backlight module to occur bright border phenomenon, has a strong impact on the display quality of display unit.
Utility model content
The utility model, for the above-mentioned technical problem existed in prior art, provides a kind of backlight module and display unit.This backlight module can make to there will be no light to penetrate in the crack between the edge end face of light processing unit and photomask, thus makes the surrounding edge of backlight module can not occur bright border phenomenon again, improving picture display quality.
The utility model provides a kind of backlight module, comprise light processing unit, described light processing unit comprises the reflector plate, light guide plate and the film material that cover successively and stack, the marginal end bread of described light processing unit is provided with photomask, between the edge end face and described photomask of described light processing unit, be folded with barrier film.
Preferably, described barrier film overlaps with the edge end face of described light processing unit.
Preferably, described barrier film adopts PETG or ink material.
Preferably, described barrier film is coloured barrier film, and the color of described barrier film is black or corresponding with the colour system of the light that the light source of backlight module sends.Such as, light source is LED, and when light source is when turning white the LED of coloured light, the color of described barrier film can preferred white or black or colors of other light color systems also can be selected as grey; When light source is when turning blue the LED of coloured light, the color of described barrier film can preferred blue or black or colors of other partially dark systems also can be selected as blueness.
Preferably, the thickness range of described barrier film is 10-150 μm.
Preferably, the lower surface edge back to described light guide plate of described reflector plate also wraps and is provided with described photomask, and the top surface edge back to described light guide plate of described film material is also wrapped and is provided with described photomask.
Preferably, described photomask adopts light tight two-sided tape, can be the light tight two-sided tape of 704A, the light tight two-sided tape of BTX-8933AD or the light tight two-sided tape of BTX-8934AD.
Preferably, the thickness range of described photomask is 0.030-0.200mm.
Preferably, also comprise light source, the one side relative with the light emission side of described light source of described light guide plate is provided with groove, and described light source is embedded in described groove, and the size shape of described light source and described groove is suitable.
The utility model also provides a kind of display unit, comprises above-mentioned backlight module.
The beneficial effects of the utility model: backlight module provided by the utility model, by sandwiched barrier film between the edge end face and photomask of light processing unit, make in the crack between the edge end face of light processing unit and photomask, to there will be no light to penetrate, thus make the surrounding edge of backlight module can not occur bright border phenomenon again, improving picture display quality.
Display unit provided by the utility model, by adopting above-mentioned backlight module, making the display floater of this display unit surrounding edge when showing there will not be bright border phenomenon, not only increasing the utilization rate of backlight light, and improving the display quality of this display unit.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of backlight module in the utility model embodiment 1;
Fig. 2 is the cut-away illustration of the backlight module in Fig. 1 along AA cutting line;
Fig. 3 is the structure sectional view of backlight module in the utility model embodiment 2.
Description of reference numerals wherein:
1. light processing unit; 10. the edge end face of light processing unit; 11. reflector plates; The lower surface edge of 111. reflector plates; 12. light guide plates; 121. groove; 13. film materials; The top surface edge of 131. film materials; 14. first edges; 2. photomask; 3. barrier film; 4. light source.
Detailed description of the invention
For making those skilled in the art understand the technical solution of the utility model better, below in conjunction with the drawings and specific embodiments, a kind of backlight module provided by the utility model and display unit are described in further detail.
Embodiment 1:
The present embodiment provides a kind of backlight module, as depicted in figs. 1 and 2, comprise light processing unit 1, light processing unit 1 comprises the reflector plate 11, light guide plate 12 and the film material 13 that cover successively and stack, edge end face 10 bag of light processing unit 1 is provided with photomask 2, between the edge end face 10 and photomask 2 of light processing unit 1, be folded with barrier film 3.
Wherein, barrier film 3 overlaps completely with the edge end face 10 of light processing unit.
The film that barrier film 3 can be PET or be formed with ink smears, barrier film 3 can spaced apart by the edge end face 10 of the adhesive glue on photomask 2 and light processing unit, adhesive glue can not directly be contacted with edge end face 10, light is there will be no to penetrate in the crack being arranged so that between the edge end face 10 of light processing unit 1 and photomask 2 of barrier film 3, thus make the surrounding edge of backlight module can not occur bright border phenomenon again, improving picture display quality.
In the present embodiment, the LED that the light source 4 of backlight module is the coloured light that turns white, barrier film 3 adopts PETG (i.e. PET) or ink material.Barrier film 3 is white.The barrier film 3 of the above-mentioned material of white can by most light reflection catacustic processing units 1 of being irradiated on it, thus decrease the loss of light, improve the utilization rate of light, also make backlight module surrounding edge can not occur bright border phenomenon because of printing opacity more simultaneously, improve image display quality.
It should be noted that, barrier film 3 in the present embodiment can be black, can not be reflective because the barrier film of black 3 only can absorb light, barrier film 3 also can be grey or other light colour, the barrier film 3 of grey or other light colour can partially absorb the light be irradiated on it and part reflection, thus makes backlight module surrounding edge can not occur bright border phenomenon because of printing opacity again.
In the present embodiment, the thickness range of barrier film 3 is 10-150 μm.Photomask 2 adopts the light tight two-sided tape of 704A, the light tight two-sided tape of BTX-8933AD or the light tight two-sided tape of BTX-8934AD.The thickness range of photomask 2 is 0.030-0.200mm.Because the thickness of barrier film 3 and photomask 2 is all very little, so the backlight module of ultra-narrow frame can be realized, thus the development trend of current narrow frame display device can be met.
In the present embodiment, the lower surface edge 111 back to light guide plate 12 of reflector plate 11 also wraps and is provided with photomask 2, and the top surface edge 131 back to light guide plate 12 of film material 13 is also wrapped and is provided with photomask 2.Setting like this, make on the one hand each rete in light processing unit 1 by the stickup of photomask 2 to its surrounding edge, position is each other fixing more stable, on the other hand, photomask 2 can block light, this can prevent light from launching from the surrounding edge of above-mentioned rete, in order to avoid cause a large amount of losses of light.
In the present embodiment, backlight module also comprises light source 4, and the one side relative with the light emission side of light source 4 of light guide plate 12 is provided with groove 121, and light source 4 is embedded in groove 121, and light source 4 is suitable with the size shape of groove 121.
In the present embodiment, light source 4 is arranged on the first edge 14 (the first edge 14 can be any edge of light processing unit 1) place of light processing unit 1, light guide plate 12 is provided with groove 121 in the exiting surface region at corresponding first edge 14, light source 4 is embedded in groove 121, and light source 4 is suitable with the size shape of groove 121.Setting like this, can guarantee that the thickness of whole backlight module can not increase.
In the present embodiment, film material 13 comprises covering successively and is stacked in the diffusion sheet above light guide plate 12, lower prism and upper prism.By diffusion sheet, lower prism and upper prism to the process of light, light can be made to become more even, improving picture display quality.
Embodiment 2:
The present embodiment provides a kind of backlight module, as different from Example 1, as shown in Figure 3, light guide plate 12 is provided with groove 121 on the edge end face at corresponding first edge 14 (the first edge 14 can be any edge of light processing unit 1), light source 4 is embedded in groove 121, and light source 4 is suitable with the size shape of groove 121.Setting like this, can guarantee that the border width of whole backlight module can not increase.Meet the development trend of current narrow frame display device.
In the present embodiment, other structures of backlight module are in the same manner as in Example 1, repeat no more herein.
The beneficial effect of embodiment 1-2: the backlight module provided in embodiment 1-2, by sandwiched barrier film between the edge end face and photomask of light processing unit, make in the crack between the edge end face of light processing unit and photomask, to there will be no light to penetrate, thus make the surrounding edge of backlight module can not occur bright border phenomenon again, improving picture display quality.
Embodiment 3:
The present embodiment provides a kind of display unit, comprises the backlight module of embodiment 1-2 in any one.
By adopting the backlight module of embodiment 1-2 in any one, making the display floater of this display unit surrounding edge when showing there will not be bright border phenomenon, not only increasing the utilization rate of backlight light, and improving the display quality of this display unit.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present utility model is described and adopts, but the utility model is not limited thereto.For those skilled in the art, when not departing from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement are also considered as protection domain of the present utility model.
Claims (10)
1. a backlight module, comprise light processing unit, described light processing unit comprises the reflector plate, light guide plate and the film material that cover successively and stack, the marginal end bread of described light processing unit is provided with photomask, it is characterized in that, between the edge end face and described photomask of described light processing unit, be folded with barrier film.
2. backlight module according to claim 1, is characterized in that, described barrier film overlaps with the edge end face of described light processing unit.
3. backlight module according to claim 1 and 2, is characterized in that, described barrier film adopts PETG or ink material.
4. backlight module according to claim 3, is characterized in that, described barrier film is coloured barrier film, and the color of described barrier film is black or corresponding with the colour system of the light that the light source of described backlight module sends.
5. the backlight module according to claim 1 or 2 or 4, is characterized in that, the thickness range of described barrier film is 10-150 μm.
6. backlight module according to claim 1, is characterized in that, the lower surface edge back to described light guide plate of described reflector plate also wraps and is provided with described photomask, and the top surface edge back to described light guide plate of described film material is also wrapped and is provided with described photomask.
7. the backlight module according to claim 1 or 6, is characterized in that, described photomask adopts light tight two-sided tape.
8. backlight module according to claim 7, is characterized in that, the thickness range of described photomask is 0.030-0.200mm.
9. backlight module according to claim 1, it is characterized in that, also comprise light source, the one side relative with the light emission side of described light source of described light guide plate is provided with groove, described light source is embedded in described groove, and the size shape of described light source and described groove is suitable.
10. a display unit, is characterized in that, comprises the backlight module described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387911.XU CN204026331U (en) | 2014-07-14 | 2014-07-14 | A kind of backlight module and display unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420387911.XU CN204026331U (en) | 2014-07-14 | 2014-07-14 | A kind of backlight module and display unit |
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| CN204026331U true CN204026331U (en) | 2014-12-17 |
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| CN201420387911.XU Active CN204026331U (en) | 2014-07-14 | 2014-07-14 | A kind of backlight module and display unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127466A1 (en) * | 2015-02-11 | 2016-08-18 | 深圳市华星光电技术有限公司 | Adhesive tape, backlight module, and liquid crystal display device |
| CN106917994A (en) * | 2015-12-25 | 2017-07-04 | 小米科技有限责任公司 | Ray structure and electronic equipment |
| WO2021051327A1 (en) * | 2019-09-18 | 2021-03-25 | 京东方科技集团股份有限公司 | Backlight module, display module, and display device |
-
2014
- 2014-07-14 CN CN201420387911.XU patent/CN204026331U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016127466A1 (en) * | 2015-02-11 | 2016-08-18 | 深圳市华星光电技术有限公司 | Adhesive tape, backlight module, and liquid crystal display device |
| CN106917994A (en) * | 2015-12-25 | 2017-07-04 | 小米科技有限责任公司 | Ray structure and electronic equipment |
| WO2021051327A1 (en) * | 2019-09-18 | 2021-03-25 | 京东方科技集团股份有限公司 | Backlight module, display module, and display device |
| CN113330361A (en) * | 2019-09-18 | 2021-08-31 | 京东方科技集团股份有限公司 | Backlight module, display module and display device |
| US11366264B2 (en) | 2019-09-18 | 2022-06-21 | Beijing Boe Optoelectronics Technology Co., Ltd. | Backlight module, display module and display device |
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