CN204345379U - LED lamp bar, backlight module and liquid crystal indicator - Google Patents
LED lamp bar, backlight module and liquid crystal indicator Download PDFInfo
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- CN204345379U CN204345379U CN201420859166.4U CN201420859166U CN204345379U CN 204345379 U CN204345379 U CN 204345379U CN 201420859166 U CN201420859166 U CN 201420859166U CN 204345379 U CN204345379 U CN 204345379U
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Abstract
The utility model discloses a kind of LED lamp bar, backlight module and liquid crystal indicator, LED lamp bar comprises pcb board, at least one LED component be fixed on pcb board, each LED component comprises LED, lens, the groove for covering LED is provided with inside lens, form the incidence surface of LED, LED component also comprises the shroud covered at outside lens, is provided with the fluorescent material of the arranged outside along lens in shroud, and the light that LED is sent all passes through fluorescent material.The invention also discloses a kind of backlight module and liquid crystal indicator.The light sent due to LED is all by fluorescent material, and the light efficiency of the light therefore launched by shroud is higher, when LED lamp bar is applied to liquid crystal indicator, can improve the picture quality of display screen.
Description
Technical field
The utility model relates to technical field of liquid crystal display, particularly relates to a kind of LED lamp bar, backlight module and liquid crystal indicator.
Background technology
Down straight aphototropism mode set generally comprises backboard, the LED lamp bar be fixed on backboard, and the diffuser plate, blooming piece and the liquid crystal display that are oppositely arranged with LED lamp bar.In prior art, LED lamp bar generally comprises pcb board, be fixed on LED on pcb board and lens, projects diffuser plate and blooming piece successively, thus illuminate liquid crystal display after the light transmission lens that LED lamp bar sends.And existing structure causes the light efficiency of LED lamp bar not high, the picture quality that liquid crystal display is presented is lower.
Utility model content
Main purpose of the present utility model is to provide a kind of LED lamp bar, backlight module and liquid crystal indicator, is intended to solve LED lamp bar light efficiency lower, and the technical problem that liquid crystal display picture quality is lower.
The LED lamp bar that the utility model provides comprises pcb board, at least one LED component be fixed on described pcb board, LED component described in each comprises LED, lens, the groove for covering described LED is provided with inside described lens, form the incidence surface of described LED, described LED component also comprises the shroud covered at outside described lens, be provided with the fluorescent material of the arranged outside along described lens in described shroud, the light that described LED is sent is all by described fluorescent material.
Preferably, be provided with the seal cavity covering described lens in described shroud, described fluorescent material is covered with described seal cavity.
Preferably, form seal cavity between described shroud and described lens, described fluorescent material is covered with described seal cavity.
Preferably, described LED is blue-ray LED, and described fluorescent material is quantum dot fluorescence powder.
Preferably, described lens are hemispherical setting.
Preferably, the outer middle side part of described lens is provided with inside depression.
Preferably, the shape adaptation of described shroud and described lens, to be contained in described lens in described shroud.
Preferably, the shape adaptation of described seal cavity and described lens, the light launched to make described LED is all transmitted through outside described shroud via described seal cavity.
The backlight module that the utility model provides further comprises LED lamp bar, described LED lamp bar comprises pcb board, at least one LED component be fixed on described pcb board, LED component described in each comprises LED, lens, the groove for covering described LED is provided with inside described lens, form the incidence surface of described LED, described LED component also comprises the shroud covered at outside described lens, be provided with the fluorescent material of the arranged outside along described lens in described shroud, the light that described LED is sent is all by described fluorescent material.
The liquid crystal indicator that the utility model provides further comprises backlight module, described backlight module comprises LED lamp bar, described LED lamp bar comprises pcb board, be fixed at least one LED component on described pcb board, described in each, LED component comprises LED, lens, the groove for covering described LED is provided with inside described lens, form the incidence surface of described LED, described LED component also comprises the shroud covered at outside described lens, the fluorescent material of the arranged outside along described lens is provided with in described shroud, the light that described LED is sent is all by described fluorescent material.
The LED lamp bar that the utility model provides, shroud is established by the lens outside mask in LED lamp bar, the fluorescent material of the arranged outside along lens is provided with in shroud, the light that LED is sent all passes through fluorescent material, launch finally by shroud, the light efficiency of the light launched by shroud is higher, when LED lamp bar is applied to liquid crystal indicator, can improve the picture quality of LCDs.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model LED lamp bar one embodiment;
Fig. 2 is the partial structurtes sectional view of the utility model LED lamp bar one embodiment;
Fig. 3 is the structural representation of shroud one embodiment of the utility model LED lamp bar;
Fig. 4 is the sectional view of shroud in Fig. 3.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
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 utility model provides a kind of LED lamp bar, referring to figs. 1 through Fig. 2, Fig. 1 is the structural representation of the utility model LED lamp bar one embodiment, Fig. 2 is the partial structurtes sectional view of the utility model LED lamp bar one embodiment, in one embodiment, this LED lamp bar comprises pcb board 10, be fixed at least one LED component (not indicating in figure) on described pcb board 10, LED component described in each comprises LED 20, lens 30, the groove 31 for covering described LED 20 is provided with inside described lens 30, form the incidence surface of described LED 20, described LED component also comprises the shroud 40 covered at outside described lens 30, the fluorescent material of the arranged outside along described lens 30 is provided with in described shroud 40, the light that described LED 20 is sent is all by described fluorescent material.
Preferably, the transparent shape of described shroud 40 is arranged.
In the present embodiment, the light that LED 20 is launched is comparatively concentrated, after lens 30, the light comparatively concentrated is broken up, and then launched by shroud 40, the light sent due to LED 20 all passes through fluorescent material, the light efficiency of the light therefore launched by shroud 40 is higher, when LED lamp bar is applied to liquid crystal indicator, can improve the picture quality of LCDs.
Further, be provided with the seal cavity 41 covering described lens 30 in described shroud 40, fluorescent material is covered with described seal cavity 41; Or form seal cavity 41 between described shroud 40 and described lens 30, fluorescent material is covered with described seal cavity 41.By being located at by fluorescent material in seal cavity 41, can effectively prevent fluorescent material oxidized, improving reliability and the light efficiency of this LED lamp bar further, and extending the service life of LED lamp bar.
Preferably, at the utility model in a certain or all embodiments, described LED 20 is blue-ray LED, and described fluorescent material is quantum dot fluorescence powder (such as, can be RGB fluorescent material).The blue light that LED launches is converted into white light after shroud 40, can improve light efficiency further, thus improves the picture quality of LCDs further.Should be noted that, in other embodiments, LED 20 also can be the LED of other colors, as purple LED lamp 20, fluorescent material also can be the fluorescent material of other colors, as yellow fluorescent powder, the color of LED 20 and fluorescent material can be arranged according to actual needs, as long as the light launched by LED 20 can be made after shroud 40 can be converted into white light.
The concrete structure of lens 30 can be arranged according to actual needs, and preferably, in the present embodiment, lens 30 are in hemispherical setting.More preferably, the outer middle side part of lens 30 is provided with inside depression.Light can be broken up by LED lamp bar that the present embodiment provides more equably, improves the quality of light further.
The concrete structure of shroud 40 can be arranged according to actual needs, preferably, at the utility model in a certain or all embodiments, each LED 20 correspondence arranges a shroud 40, and this kind of mode is convenient to produce, and is easy to realize, can production cost be reduced, enhance productivity.It should be noted that in other embodiments, also one shroud 40 can be set each LED lamp bar correspondence, or multiple LED 20 correspondence arranges a shroud 40.
The shape of shroud 40 can be arranged according to actual needs, preferably, with reference to Fig. 3 and Fig. 4, Fig. 3 is the structural representation of shroud one embodiment of the utility model LED lamp bar, Fig. 4 is the sectional view of shroud in Fig. 3, at the utility model in a certain or all embodiments, the shape adaptation of described shroud 40 and described lens 30, to be contained in described lens 30 in described shroud 40.Such as, in the present embodiment, lens 30 are in hemispherical setting, and therefore, shroud 40 is also the hemispherical setting with lens 30 adaptation, to be contained in completely in shroud 40 by lens 30.
It is inner that above-mentioned seal cavity 41 can be located at shroud 40, also can form a seal cavity 41 between shroud 40 and lens 30.Preferably, the present embodiment is described to form seal cavity 41 in shroud 40 inside.
Preferably, at the utility model in a certain or all embodiments, the shape adaptation of described seal cavity 41 and described lens 30, the light launched to make described LED 20 is all transmitted through outside described shroud 40 via described seal cavity 41.Such as, in the present embodiment, seal cavity 41 is in the hemispherical setting of cardinal principle with lens 30 adaptation, all expose to outside shroud 40 via seal cavity 41 to make the light launched by LED 20, thus the light making LED launch more effectively can be converted into white light, improve the light efficiency of this LED lamp bar further.
Preferably, at the utility model in a certain or all embodiments, described fluorescent material is uniformly distributed in described seal cavity 41, thus the light launched via this shroud 40 can be made more even, further increases the light efficiency of this LED lamp bar.
Preferably, at the utility model in a certain or all embodiments, described shroud 40 is made up of glass, and the heat resistance of glass is better, and light transmission is also better, further increases reliability and the light efficiency of this LED lamp bar.It should be noted that in other embodiments, shroud 40 also can be made up of other light transmissive materials, does not limit at this.
Above-mentioned shroud 40 can be fixedly connected with lens 30, preferably, at the utility model in a certain or all embodiments, above-mentioned shroud 40 is fixedly connected with pcb board 10, concrete fixed form can be selected according to actual needs, such as can for card with to be fixedly connected with or bonding etc.Preferably, at the utility model in a certain or all embodiments, described shroud 40 is fixed on described pcb board 10 by the mode of some glue, and not only fixed effect is more firm, and production efficiency is higher.
Further, at the utility model in a certain or all embodiments, be fixed on pcb board 10 more securely to make shroud 40, the radial direction for the peripheral region towards pcb board 10 along shroud 40 is extended with the flange collar 42 for fitting with pcb board 10, and shroud 40 is fixed on pcb board by flange collar 42.When being fixed on pcb board 10 by shroud 40, pcb board 10 of this flange collar 42 being fitted is arranged, and preferably, flange collar 42 is fixed on pcb board by the mode of a glue.Preferably, above-mentioned seal cavity 41 extends to flange collar 42 place, to improve the light efficiency of this LED lamp bar further.
The utility model also provides a kind of backlight module, and this backlight module comprises LED lamp bar, and the structure of this LED lamp bar can refer to above-described embodiment, does not repeat them here.Naturally, the backlight module due to the present embodiment have employed the technical scheme of above-mentioned LED lamp bar, and therefore this backlight module has all beneficial effects of above-mentioned LED lamp bar.
The utility model also provides a kind of liquid crystal indicator, and this liquid crystal indicator comprises backlight module, and the structure of this backlight module can refer to above-described embodiment, does not repeat them here.Naturally, the liquid crystal indicator due to the present embodiment have employed the technical scheme of above-mentioned backlight module, and therefore this liquid crystal indicator has all beneficial effects of above-mentioned backlight module.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a LED lamp bar, described LED lamp bar comprises pcb board, at least one LED component be fixed on described pcb board, LED component described in each comprises LED, lens, the groove for covering described LED is provided with inside described lens, form the incidence surface of described LED, it is characterized in that, described LED component also comprises the shroud covered at outside described lens, be provided with the fluorescent material of the arranged outside along described lens in described shroud, the light that described LED is sent is all by described fluorescent material.
2. LED lamp bar as claimed in claim 1, it is characterized in that, be provided with the seal cavity covering described lens in described shroud, described fluorescent material is covered with described seal cavity.
3. LED lamp bar as claimed in claim 1, it is characterized in that, form seal cavity between described shroud and described lens, described fluorescent material is covered with described seal cavity.
4. LED lamp bar as claimed in claim 1, it is characterized in that, described LED is blue-ray LED, and described fluorescent material is quantum dot fluorescence powder.
5. LED lamp bar as claimed in claim 1, it is characterized in that, described lens are hemispherical setting.
6. the LED lamp bar as described in any one of claim 1 to 5, is characterized in that, the outer middle side part of described lens is provided with inside depression.
7. LED lamp bar as claimed in claim 1, is characterized in that, the shape adaptation of described shroud and described lens, to be contained in described shroud by described lens.
8. LED lamp bar as claimed in claim 2 or claim 3, it is characterized in that, the shape adaptation of described seal cavity and described lens, the light launched to make described LED is all transmitted through outside described shroud via described seal cavity.
9. a backlight module, is characterized in that, described backlight module comprises the LED lamp bar as described in any one of claim 1 to 8.
10. a liquid crystal indicator, is characterized in that, described liquid crystal indicator comprises backlight module as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859166.4U CN204345379U (en) | 2014-12-29 | 2014-12-29 | LED lamp bar, backlight module and liquid crystal indicator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420859166.4U CN204345379U (en) | 2014-12-29 | 2014-12-29 | LED lamp bar, backlight module and liquid crystal indicator |
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| CN204345379U true CN204345379U (en) | 2015-05-20 |
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| CN201420859166.4U Active CN204345379U (en) | 2014-12-29 | 2014-12-29 | LED lamp bar, backlight module and liquid crystal indicator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200118A (en) * | 2016-07-06 | 2016-12-07 | 青岛海信电器股份有限公司 | Quantum dot light source component, backlight module and liquid crystal indicator |
| CN109282244A (en) * | 2018-10-10 | 2019-01-29 | 中山市木林森光电有限公司 | A kind of LED fluorescence cover, preparation method and LED light |
| CN114460779A (en) * | 2022-03-03 | 2022-05-10 | 深圳创维－Rgb电子有限公司 | LED lamp panel, backlight module, display device and LED lamp panel manufacturing method |
-
2014
- 2014-12-29 CN CN201420859166.4U patent/CN204345379U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106200118A (en) * | 2016-07-06 | 2016-12-07 | 青岛海信电器股份有限公司 | Quantum dot light source component, backlight module and liquid crystal indicator |
| US10353137B2 (en) | 2016-07-06 | 2019-07-16 | Hisense Electric Co., Ltd. | Quantum dot light source component, backlight module and liquid crystal display device |
| CN106200118B (en) * | 2016-07-06 | 2020-03-31 | 青岛海信电器股份有限公司 | Quantum dot light source component, backlight module and liquid crystal display device |
| CN109282244A (en) * | 2018-10-10 | 2019-01-29 | 中山市木林森光电有限公司 | A kind of LED fluorescence cover, preparation method and LED light |
| CN114460779A (en) * | 2022-03-03 | 2022-05-10 | 深圳创维－Rgb电子有限公司 | LED lamp panel, backlight module, display device and LED lamp panel manufacturing method |
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