CN202484754U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN202484754U CN202484754U CN2012200578408U CN201220057840U CN202484754U CN 202484754 U CN202484754 U CN 202484754U CN 2012200578408 U CN2012200578408 U CN 2012200578408U CN 201220057840 U CN201220057840 U CN 201220057840U CN 202484754 U CN202484754 U CN 202484754U
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- China
- Prior art keywords
- led lamp
- side plate
- light
- module backlight
- glue frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model provides a backlight module and a display device. The backlight module comprises a rear panel, a plastic frame, a PCB (printed circuit board), a light guide plate and an LED (light-emitting diode) lamp, wherein the PCB is arranged on the rear panel, the LED lamp is arranged on the PCB, and light emitted by the LED lamp is output through the light guide plate. The backlight module is characterized in that the plastic frame comprises a reflecting side plate for reflecting light, a part (provided with the LED lamp) of the reflecting side plate is provided with an accommodating hole. According to the embodiment of the utility model, through accommodating an LED lamp bar in the accommodating hole of the high-reflectivity reflecting side plate, the reflecting side plate can reflect light (output by the LED lamp) to the light guide plate at a high reflectivity, thereby greatly improving the utilization rate of light output by the LED lamp in the backlight module, and facilitating the power consumption reduction of the backlight module; and meanwhile, a situation that the manufacturing cost and the manufacturing procedure are increased because of installing reflecting components such as lampshades is avoided.
Description
Technical field
The utility model relates to the technical field of backlight, particularly, relates to a kind of module backlight and display unit.
Background technology
In flat panel display, because that liquid crystal indicator has is low in energy consumption, cost of manufacture is relatively low and do not have characteristics such as radiation, makes liquid crystal indicator obtain application more and more widely.
Liquid crystal indicator comprises liquid crystal panel and module backlight, and module backlight is used for to liquid crystal panel light being provided, so that the liquid crystal panel output image.Fig. 1 is the structural representation of module backlight in the prior art.As shown in Figure 1, module backlight comprises backboard 101, glue frame, printed circuit board (PCB), and (Printed Circuit Board is PCB) with the LED lamp; Backboard 101 is a frame shape structure with the glue frame; The two can engage and is installed together, PCB103 and the LED lamp lamp bar (LED Light Bar) that is composed of a fixed connection, and the lamp bar is installed between backboard 101 and the glue frame; Backboard 101 is lower with the common reflectivity of glue frame, and the most of light that causes the LED lamp to send can't pass through LGP and arrive liquid crystal panel; For improving the utilization rate of the output of LED lamp in the module backlight light, prior art also is provided for reflecting the lampshade of the light of LED lamp output near the LED lamp, still, manufacturing cost and manufacturing process that lampshade has increased module backlight are set.
The utility model content
For addressing the above problem, the utility model provides a kind of module backlight and display unit, is used for solving the low problem of light utilization in the prior art module backlight.
For this reason, the utility model provides a kind of module backlight, comprises backboard, glue frame, PCB (printed circuit board (PCB)), LGP and LED lamp; Said PCB is installed on the backboard; Said LED lamp is installed on the PCB, and the light that said LED lamp sends is characterized in that through LGP output; Said glue frame comprises the reflection side plate of reflection ray, and the position that said reflection side plate is provided with said LED lamp is a containing hole.
Wherein, said containing hole comprises circular port and square opening.
Wherein, the distance of said LGP and said LED lamp is between 0.3-0.5mm.
Wherein, discrete between the reflection side plate of said glue frame and its excess-three side plate.
Wherein, said reflection side plate is a highly reflective material near said LGP one side.
Wherein, said reflection side plate is a pure white.
Wherein, the material of said reflection side plate comprises Merlon.
The utility model also provides a kind of display unit comprising any one above-mentioned module backlight.
The utlity model has following beneficial effect:
The module backlight that the utility model provides; Through LED lamp bar being contained in the containing hole with high reflectance reflection side plate; So that the reflection side plate can reflex to LED lamp output light high reflectance ground in the LGP, thereby improve the utilization rate that LED lamp in the module backlight is exported light greatly, help reducing the power consumption of module backlight; Simultaneously, avoid increasing manufacturing cost and manufacturing process through reflection parts such as lampshade are installed.
The display unit that the utility model provides; In the containing hole that LED lamp bar is installed in the glue frame with high reflectance reflection side plate; So that the LED lamp is reflexed in the LGP with exporting the light high reflectance, can improve the utilization rate of module LED lamp output light backlight greatly, help reducing the power consumption of liquid crystal indicator; Simultaneously, also can avoid increasing manufacturing cost and manufacturing process through reflection parts such as lampshade are installed.
Description of drawings
Fig. 1 is the structural representation of module backlight in the prior art;
Fig. 2 is the structural representation of the utility model module first embodiment backlight;
Fig. 3 is the whole vertical view of glue frame among Fig. 2;
Fig. 4 is the structural representation of the utility model module second embodiment backlight;
Fig. 5 is the structural representation of the reflection side plate of glue frame among the utility model module second embodiment backlight;
Fig. 6 is the sectional view of the A-A direction of reflection side plate among Fig. 5;
Fig. 7 is the structural representation of the reflection side plate of glue frame among the utility model module the 3rd embodiment backlight;
Fig. 8 is the sectional view of A-A direction among Fig. 7.
The specific embodiment
For making those skilled in the art understand the technical scheme of the utility model better, module backlight and the display unit that the utility model provides is described in detail below in conjunction with accompanying drawing.
Fig. 2 is the structural representation of the utility model module first embodiment backlight, and Fig. 3 is the whole vertical view of glue frame among Fig. 2.As shown in Figure 2, present embodiment module backlight comprises backboard 101, glue frame 102, PCB103, LGP 104 and LED lamp 105, and wherein, PCB103 is installed on the backboard 101, and LED lamp 105 is installed on the PCB103, and PCB103 and LED lamp 105 are formed the lamp bar; As shown in Figure 4; Glue frame 102 is a quadrilateral frame shape structure; Form glue frame 102 and comprise reflection side plate 1021 and three common side plates 1022, the side plate near PCB 103 1 sides of glue frame is reflection side plate 1021, and reflection side plate 1021 is high reflecting material near LGP 104 1 sides; Have high reflectance, reflex on the LGP 104 with the light that LED lamp 105 is sent; Because the manufacturing cost of reflection side plate 1021 is high, so, can be discrete between three common side plates 1022 and the reflection side plate 1021, making common side plate 1022 and reflection side plate 1021 respectively, thereby reduce the manufacturing cost of minimizing glue frame 102; Reflection side plate 1021 is provided with the containing hole 1023 that holds LED lamp 105; LED lamp on the PCB103 105 is inserted containing holes 1023 and is contained in the containing hole 1023; So that the light of LED lamp output reflexes in the LGP 104 with can being reflected side plate 1021 high reflectances; LGP 104 is installed near the LED lamp 105, blazes abroad after changing face light into the some light with LED lamp 105 output.
In the present embodiment; Through LED lamp bar being contained in the containing hole with high reflectance reflection side plate; So that the reflection side plate can reflex to LED lamp output light high reflectance ground in the LGP, thereby improve the utilization rate that LED lamp in the module backlight is exported light greatly, help reducing the power consumption of module backlight; Simultaneously, avoid increasing manufacturing cost and manufacturing process through reflection parts such as lampshade are installed.
Fig. 4 is the structural representation of the utility model module second embodiment backlight, and Fig. 5 is the structural representation of the reflection side plate of glue frame among the utility model module second embodiment backlight, and Fig. 6 is the sectional view of the A-A direction of reflection side plate among Fig. 5.As shown in Figure 4, in the present embodiment module backlight, the containing hole 1023 that the reflection side plate 1021 of glue frame is installed LED lamp bar can be set to square opening; As illustrated in Figures 5 and 6; The neighboring area near LGP 104 1 sides that can containing hole 1023 is set to the inclined-plane; The inclined-plane can comprise straight inclined-plane or curve slope, and to strengthen the reflecting effect of reflection side plate 1021, the light that LED lamp 105 is sent gets into LGP 104 more; Wherein, The distance of LGP 104 and LED lamp 105 is between 0.3-0.5mm; To guarantee that the light that LED lamp 105 sends gets into LGP 104 as much as possible, guarantee that also LGP 104 can not cause repressive damage to LED lamp 105 when LED lamp 105 high temperature expand simultaneously; Thereby both guaranteed the optical property of module backlight, the safety of guaranteed LED lamp 105 and LGP.
In practical application; Backboard 101 is generally metal material and prepares; So, can LED lamp 105 and the lamp bar that PCB103 forms be fixed on the backboard 101, be beneficial to heat radiation; And then LED lamp 105 is inserted in the containing hole 1023 of glue frame, the size of containing hole 1023 should guarantee that LED lamp 105 inserts in the glue frame.
Fig. 7 is the structural representation of the reflection side plate of glue frame among the utility model module the 3rd embodiment backlight, and Fig. 8 is the sectional view of A-A direction among Fig. 7.Different with back light module unit structure shown in Figure 2; The reflection side plate of glue frame is like Fig. 7, shown in 8 in the present embodiment module backlight; The containing hole 1023 of reflection on the side plate 1021 is circular port, and the neighboring area near LGP 104 1 sides that can containing hole 1023 is set to straight inclined-plane, and the side near PCB103 of containing hole 1023 is a curve slope; To strengthen the reflecting effect of reflection side plate 1021, the light that LED lamp 105 is sent gets into LGP 104 more.
In the utility model module second embodiment backlight and the 3rd embodiment; Design the shape near the neighboring area of LGP 104 1 sides of containing hole 1023 according to the shape of LED lamp 105 so that the light of LED lamp 105 outputs try one's best enter into LGP 104.
In practical application, the glue frame uses pure white material preparation to obtain usually, and pure white material comprises pure white Merlon materials such as (PC); Wherein, The reflection side plate 1021 of glue frame can be done as a wholely to prepare through the injection moulding mode with remaining three side plate; Reflection side plate 1021 and remaining three side plate of glue frame also can be discrete, and its excess-three sheet side plate that is beneficial to the glue frame adopts other material lower than the cost of pure white material.
The utility model also provides a kind of display unit; Display unit comprises liquid crystal panel and any one above-mentioned module backlight; In the containing hole that LED lamp bar is installed in the glue frame with high reflectance reflection side plate; So that the LED lamp is reflexed in the LGP with exporting the light high reflectance, can improve the utilization rate of module LED lamp output light backlight greatly, help reducing the power consumption of liquid crystal indicator; Simultaneously, also can avoid increasing manufacturing cost and manufacturing process through reflection parts such as lampshade are installed.
It is understandable that above embodiment only is the illustrative embodiments that adopts for the principle that the utility model is described, yet the utility model is not limited thereto.For the one of ordinary skilled in the art, under the situation of spirit that does not break away from the utility model and essence, can make various modification and improvement, these modification and improvement also are regarded as the protection domain of the utility model.
Claims (7)
1. module backlight; Comprise backboard, glue frame, PCB, LGP and LED lamp, said PCB is installed on the backboard, and said LED lamp is installed on the PCB; The light that said LED lamp sends is through LGP output; It is characterized in that said glue frame comprises the reflection side plate of reflection ray, said reflection side plate is provided with the containing hole of ccontaining said LED lamp.
2. module backlight according to claim 1 is characterized in that said containing hole comprises circular port and square opening.
3. module backlight according to claim 1 is characterized in that, and is discrete between its excess-three side plate of the reflection side plate of said glue frame and said glue frame.
4. according to the arbitrary described module backlight of claim 1-3, it is characterized in that said reflection side plate is a highly reflective material near said LGP one side.
5. module backlight according to claim 4 is characterized in that, said reflection side plate is a pure white.
6. module backlight according to claim 4 is characterized in that the material of said reflection side plate comprises Merlon.
7. a display unit is characterized in that adopting the arbitrary described module backlight of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200578408U CN202484754U (en) | 2012-02-20 | 2012-02-20 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200578408U CN202484754U (en) | 2012-02-20 | 2012-02-20 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202484754U true CN202484754U (en) | 2012-10-10 |
Family
ID=46959175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200578408U Expired - Lifetime CN202484754U (en) | 2012-02-20 | 2012-02-20 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202484754U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017028A (en) * | 2012-12-03 | 2013-04-03 | 彩虹集团公司 | Light guide plate-free light-emitting diode (LED) backlight module |
| CN103557507A (en) * | 2013-10-31 | 2014-02-05 | 深圳市华星光电技术有限公司 | Heat conduction device, backlight module and liquid crystal display |
| CN107092136A (en) * | 2017-06-23 | 2017-08-25 | 武汉华星光电技术有限公司 | Glue frame and backlight module, liquid crystal display module for backlight module |
-
2012
- 2012-02-20 CN CN2012200578408U patent/CN202484754U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017028A (en) * | 2012-12-03 | 2013-04-03 | 彩虹集团公司 | Light guide plate-free light-emitting diode (LED) backlight module |
| CN103557507A (en) * | 2013-10-31 | 2014-02-05 | 深圳市华星光电技术有限公司 | Heat conduction device, backlight module and liquid crystal display |
| CN107092136A (en) * | 2017-06-23 | 2017-08-25 | 武汉华星光电技术有限公司 | Glue frame and backlight module, liquid crystal display module for backlight module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |