CN204576025U - Directly-down liquid crystal module - Google Patents
Directly-down liquid crystal module Download PDFInfo
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- CN204576025U CN204576025U CN201520242587.7U CN201520242587U CN204576025U CN 204576025 U CN204576025 U CN 204576025U CN 201520242587 U CN201520242587 U CN 201520242587U CN 204576025 U CN204576025 U CN 204576025U
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 7
- 239000000243 solution Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000011514 reflex Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
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Abstract
The utility model discloses directly-down liquid crystal module, comprise backboard, described backboard is provided with reflector plate, described reflector plate is provided with some LED, described backboard comprises bottom surface and four sides integrated with bottom surface, described side comprises inclined-plane and the first vertical plane for absorption portion light, the side on described inclined-plane is connected with bottom surface, the opposite side on inclined-plane is connected with the first vertical plane, described first vertical plane and plane perpendicular, when the light of LED outgoing is injected on the first vertical plane, some light is absorbed, some light diffuse reflection, thus reduce the light injecting edge, backboard visible area, thus solve straight-down negative all-in-one bright border problem, and owing to employing the first vertical plane, irreflexive light has the edge, visible area of part injection backboard, further solution is as the brightness at edge, backboard visible area.
Description
Technical field
The utility model relates to liquid crystal display, particularly a kind of directly-down liquid crystal module.
Background technology
Along with the develop rapidly of LED liquid crystal television, the ultra-thin straight-down negative all-in-one of low cost becomes main force's type that all big enterprises produce, then, can by light mixing distance OD(optical density, optical density) value accomplishes 18mm, or even 15mm.But the problem of this kind of type ubiquity bright border (namely the periphery brightness of directly-down liquid crystal module is high), has a strong impact on its quality.
As depicted in figs. 1 and 2, for existing 2700 series models of company of Konka, this series model is ultra-thin straight-down negative all-in-one, and light mixing distance OD value is 18mm, and four inclination angles, limit of backboard 1 are 40 °, as shown in Figure 2, dotted portion is light-emitting face, and calculate known through light path reflective analysis, the light that LED 2 is mapped on the hypotenuse of reflector plate 3 can all reflex to AB region, cause forming bright border in AB region, affect ultra-thin straight-down negative all-in-one quality.
At present, the method solving bright border generally has two kinds, the first: adopt printing reflector plate to solve bright border problem; The second: use arc reflection sheet to solve bright border problem.Although adopt printing reflector plate can reduce the light reflexing to AB region, solve bright border problem, reflector plate printing price is higher, significantly can increase cost.In addition, adopt arc reflection sheet that light can be made slowly to change, also can optimize bright border problem, but to produce line matching requirements higher for arc reflection sheet, and arc reflection sheet service time the risk having distortion of a specified duration.
Thus prior art need to improve.
Utility model content
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of directly-down liquid crystal module, under the prerequisite reduced costs, can solve the problem of liquid crystal module bright border.
In order to achieve the above object, the utility model takes following technical scheme:
A kind of directly-down liquid crystal module, comprise backboard, described backboard is provided with reflector plate, described reflector plate is provided with some LED, described backboard comprises bottom surface and four sides integrated with bottom surface; Described side comprises inclined-plane and is connected with bottom surface with for the first vertical plane of absorption portion light, the side on described inclined-plane, and the opposite side on inclined-plane is connected with the first vertical plane, described first vertical plane and plane perpendicular.
In described directly-down liquid crystal module, described reflector plate covers described bottom surface and inclined-plane.
In described directly-down liquid crystal module, described side also comprises surface level and the second vertical plane, and described bottom surface, inclined-plane, the first vertical plane, surface level, the second vertical plane connect successively.
In described directly-down liquid crystal module, the angle of inclination on described inclined-plane is: 45 °-70 °.
In described directly-down liquid crystal module, the height on described inclined-plane is not more than 8mm.
In described directly-down liquid crystal module, the height of described first vertical plane is not more than 10mm.
In described directly-down liquid crystal module, described LED is by some row and several rows arrangement, and the distance often between row LED is not more than 80mm, and the distance often between row LED is not more than 100mm.
In described directly-down liquid crystal module, the column distance of described LED and the ratio of row distance are Px/Py and 0.8≤Px/Py≤1.25.
In described directly-down liquid crystal module, adjacent with inclined-plane one LED arranged is not more than 40mm apart from the distance on this inclined-plane, and the LED of a line adjacent with inclined-plane is not more than 50mm apart from the distance on this inclined-plane.
Compared to prior art, the directly-down liquid crystal module that the utility model provides, comprises backboard, and described backboard is provided with reflector plate, and described reflector plate is provided with some LED, and described backboard comprises bottom surface and four sides integrated with bottom surface, described side comprises inclined-plane and the first vertical plane for absorption portion light, the side on described inclined-plane is connected with bottom surface, the opposite side on inclined-plane is connected with the first vertical plane, described first vertical plane and plane perpendicular, when the light of LED outgoing is injected on the first vertical plane, some light is absorbed, some light diffuse reflection, thus reduce the light injecting edge, backboard visible area, thus solve straight-down negative all-in-one bright border problem, and owing to employing the first vertical plane, irreflexive light has the edge, visible area of part injection backboard, further solution is as the brightness at edge, backboard visible area.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of existing directly-down liquid crystal module.
Fig. 2 is the light path schematic diagram figure of existing directly-down liquid crystal module.
The part isometric structural representation of the directly-down liquid crystal module that Fig. 3 provides for the utility model embodiment.
The side structure schematic diagram of the directly-down liquid crystal module that Fig. 4 provides for the utility model embodiment.
The light path schematic diagram figure of the directly-down liquid crystal module that Fig. 5 provides for the utility model embodiment.
Embodiment
The utility model provides a kind of directly-down liquid crystal module, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes the utility model referring to the accompanying drawing embodiment that develops simultaneously.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.
Refer to Fig. 3 and Fig. 4, the directly-down liquid crystal module that the utility model embodiment provides, comprises backboard 10, and described backboard 10 is provided with reflector plate 20, described reflector plate 20 is provided with some LED 30, and described backboard 10 comprises bottom surface 11 and four sides 12 integrated with bottom surface 11; Described side 12 comprises inclined-plane 121 and is connected with bottom surface 11 with for the first vertical plane 122 of absorption portion light, the side on described inclined-plane 121, and the opposite side on inclined-plane 121 is connected with the first vertical plane 122, and described first vertical plane 122 is vertical with bottom surface 11.In other words, bottom surface 11, inclined-plane 121 and the first vertical plane 122 are bent to form by backboard, and the first vertical plane 122 is vertical with bottom surface 11.The present invention is connected with the first vertical plane 122 mode extended from bottom surface 11 by side 12 is set to inclined-plane 121, by the first vertical plane 122 absorption portion light, diffuse reflectivity component light, only have small part light can inject edge, visible area, solve the bright border problem of directly-down liquid crystal module.
In the present embodiment, described reflector plate 20 covers on described bottom surface 11 and inclined-plane 121, first vertical plane 122 and does not cover reflector plate 20, and the light be mapped on this first vertical plane 122 only has and is reflected onto viewing area to small part, reduces bright border problem further.
Please continue to refer to Fig. 3 and Fig. 4, described side 12 also comprises surface level 123 and the second vertical plane 124, surface level 123 and the second vertical plane 124 do not cover reflector plate 20 yet, and light is also that part is absorbed, part is diffusely reflected, few part is reflected on surface level 123 and the second vertical plane 124.Described bottom surface 11, inclined-plane 121, first vertical plane 122, surface level 123, second vertical plane 124 connect successively, and namely bottom surface 11, inclined-plane 121, first vertical plane 122, surface level 123, second vertical plane 124 are bent to form successively by backboard 10.
During concrete enforcement, the angle of inclination on described inclined-plane 121 is: 45 °-70 °.The height D1 on described inclined-plane 121 is not more than 8mm, and the height D2 of the first vertical plane 122 is not more than 10mm.
Described LED 30 is by some row and several rows arrangement, and the distance Px often between row LED 30 is not more than 80mm, and the distance Py often between row LED 30 is not more than 100mm.Wherein, the column distance of described LED 30 and the ratio of row distance are Px/Py and 0.8≤Px/Py≤1.25.
Please continue to refer to Fig. 3 and Fig. 4, adjacent with inclined-plane 121 one LED 30 arranged is not more than 40mm apart from the distance Lx on this inclined-plane 121, and the LED 30 of a line adjacent with inclined-plane 121 is not more than 50mm apart from the distance Ly on this inclined-plane 121.Namely the problem Ly that the LED 30 of most lastrow or most next line is adjacent inclined-plane 121 is less than or equal to 50mm, and the problem Lx that the LED 30 of most the first from left row or the rightest row is adjacent inclined-plane 121 is less than or equal to 40mm, and 0.8≤Lx/Ly≤1.25.
In order to better understand the utility model, below in conjunction with Fig. 5, the light path principle of directly-down liquid crystal module of the present utility model is described in detail:
As shown in Figure 5, the light that the light of LED 30 reflexes to edge by reflector plate 20 has three classes, for the 1st lightlike line, the reflection of reflector plate 20 on inclined-plane 121 can enter edge, visible area; For the 2nd lightlike line, reflector plate 20 on inclined-plane 121 reflex on the first vertical plane 122, due to the first vertical plane 122 not covering reflector plate 20, so light can a part of be absorbed, a part is diffusely reflected surrounding, only have a little part can inject edge, visible area; For the 3rd lightlike line; Directly be mapped on the first vertical plane 122, be similar to the 2nd lightlike line, can a part be absorbed, a part is diffusely reflected surrounding, only have a little part can inject edge, visible area.As the above analysis, this scheme can reduce the light injecting edge, visible area, solves the bright border problem of ultra-thin straight-down negative directly-down liquid crystal module.
In sum, the directly-down liquid crystal module that the utility model provides, comprises backboard, and described backboard is provided with reflector plate, and described reflector plate is provided with some LED, and described backboard comprises bottom surface and four sides integrated with bottom surface, described side comprises inclined-plane and the first vertical plane for absorption portion light, the side on described inclined-plane is connected with bottom surface, the opposite side on inclined-plane is connected with the first vertical plane, described first vertical plane and plane perpendicular, when the light of LED outgoing is injected on the first vertical plane, some light is absorbed, some light diffuse reflection, thus reduce the light injecting edge, backboard visible area, thus solve straight-down negative all-in-one bright border problem, and owing to employing the first vertical plane, irreflexive light has the edge, visible area of part injection backboard, further solution is as the brightness at edge, backboard visible area.
Be understandable that; for those of ordinary skills; can be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, and all these change or replace the protection domain that all should belong to the claim appended by the utility model.
Claims (9)
1. a directly-down liquid crystal module, comprises backboard, and described backboard is provided with reflector plate, and described reflector plate is provided with some LED, and described backboard comprises bottom surface and four sides integrated with bottom surface; It is characterized in that, described side comprises inclined-plane and is connected with bottom surface with for the first vertical plane of absorption portion light, the side on described inclined-plane, and the opposite side on inclined-plane is connected with the first vertical plane, described first vertical plane and plane perpendicular.
2. directly-down liquid crystal module according to claim 1, is characterized in that, described reflector plate covers described bottom surface and inclined-plane.
3. directly-down liquid crystal module according to claim 1, is characterized in that, described side also comprises surface level and the second vertical plane, and described bottom surface, inclined-plane, the first vertical plane, surface level, the second vertical plane connect successively.
4. directly-down liquid crystal module according to claim 1, is characterized in that, the angle of inclination on described inclined-plane is: 45 °-70 °.
5. directly-down liquid crystal module according to claim 1, is characterized in that, the height on described inclined-plane is not more than 8mm.
6. directly-down liquid crystal module according to claim 1, is characterized in that, the height of described first vertical plane is not more than 10mm.
7. directly-down liquid crystal module according to claim 1, is characterized in that, described LED is by some row and several rows arrangement, and the distance often between row LED is not more than 80mm, and the distance often between row LED is not more than 100mm.
8. directly-down liquid crystal module according to claim 7, is characterized in that, the column distance of described LED and the ratio of row distance are Px/Py and 0.8≤Px/Py≤1.25.
9. directly-down liquid crystal module according to claim 1, is characterized in that, adjacent with inclined-plane one LED arranged is not more than 40mm apart from the distance on this inclined-plane, and the LED of a line adjacent with inclined-plane is not more than 50mm apart from the distance on this inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520242587.7U CN204576025U (en) | 2015-04-21 | 2015-04-21 | Directly-down liquid crystal module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520242587.7U CN204576025U (en) | 2015-04-21 | 2015-04-21 | Directly-down liquid crystal module |
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| Publication Number | Publication Date |
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| CN204576025U true CN204576025U (en) | 2015-08-19 |
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| CN201520242587.7U Active CN204576025U (en) | 2015-04-21 | 2015-04-21 | Directly-down liquid crystal module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422536A (en) * | 2017-09-12 | 2017-12-01 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and display device |
| WO2021120184A1 (en) * | 2019-12-20 | 2021-06-24 | 瑞仪光电(苏州)有限公司 | Light source module, backlight module, and display apparatus |
-
2015
- 2015-04-21 CN CN201520242587.7U patent/CN204576025U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107422536A (en) * | 2017-09-12 | 2017-12-01 | 青岛海信电器股份有限公司 | A kind of down straight aphototropism mode set and display device |
| WO2021120184A1 (en) * | 2019-12-20 | 2021-06-24 | 瑞仪光电(苏州)有限公司 | Light source module, backlight module, and display apparatus |
| US11391988B2 (en) | 2019-12-20 | 2022-07-19 | Radiant Opto-Electronics (Suzhou) Co., Ltd. | Light source module, backlight module and display device |
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