CN203395840U - Fixing structure of reflector plate in light-emitting diode (LED) backlight module - Google Patents
Fixing structure of reflector plate in light-emitting diode (LED) backlight module Download PDFInfo
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- CN203395840U CN203395840U CN201320499250.5U CN201320499250U CN203395840U CN 203395840 U CN203395840 U CN 203395840U CN 201320499250 U CN201320499250 U CN 201320499250U CN 203395840 U CN203395840 U CN 203395840U
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- led lamp
- led
- reflector plate
- pcb board
- fixed structure
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Abstract
The utility model discloses a fixing structure of a reflector plate in a light-emitting diode (LED) backlight module. The fixing structure comprises a reflector plate and an LED lamp component, wherein the LED lamp component comprises a printed circuit board (PCB), and a plurality of LED lamps connected to the PCB; a first gap exists between a lampshade of each LED lamp and the PCB; a plurality of through holes are formed on the reflector plate; the position distribution of the through holes corresponds to the distribution of the plurality of LED lamps on the LED lamp components one by one; at least one of the plurality of through holes is a profile hole; the others are round holes; the profile hole is formed by a round hole and an edge plate which extends inwards the round hole; each LED lamp of the LED lamp component is respectively sleeved into the corresponding through hole of the reflector plate according to the corresponding position; the edge plate of the profile hole is elastically blocked into the first gap between the lampshade of the corresponding LED lamp and the PCB. By adopting the structure, the condition that large fixing of a reflecting surface is smooth can be ensured; a cavity of the backlight module can have good luminous efficiency.
Description
Technical field
The utility model relates to field of television, particularly relates to the fixed structure of reflector plate in a kind of LED-backlit module.
Background technology
Along with the competition of TV industry is more and more fierce, and country requires more and more higher to energy saving television, the directly-down liquid crystal TV (CCFL) that cold cathode is luminous, by market, eliminated gradually, the directly-down liquid crystal TV that the substitute is in take, great power LED is light emitting source, is designated hereinafter simply as straight-down negative LED LCD TV.
In the backlight module cavity of straight-down negative LED LCD TV, there is reflector plate, be used for reflecting the light source in LED lamp communication process, make LED light source utilization rate reach maximization.In backlight module cavity, the large face of reflection of reflector plate needs comparatively smooth, and the location of reflecting surface need be accurately, reliably simultaneously, difficult drop-off when vibrations drop test, otherwise will directly affect luminous efficiency and the production efficiency of TV backlight module, finally also will determine the imaging effect of television image.
China's utility model application 201220042147.3 provides a kind of direct-light type LED backlight module, the backboard that comprises LED lamp plate, mounted LED lamp plate, is attached in described backboard, is positioned at LED lamp plate reflector plate below and the reflector plate that is attached at LED lamp plate front.The reflector plate of this utility model is positioned on LED lamp plate by the stickup effect of double faced adhesive tape,, when reflector plate is heated, can causes the positioning function of double faced adhesive tape to lose efficacy, and then produce unfavorable condition.
Utility model content
The purpose of this utility model is to overcome the deficiency of prior art, the fixed structure of reflector plate in a kind of LED-backlit module is provided, by the edge piece of irregularly-shaped hole on reflector plate being sticked into the lampshade of corresponding LED lamp and the first gap between pcb board, realize the location to reflector plate.
The utility model solves the technical scheme that its technical problem adopts: the fixed structure of reflector plate in a kind of LED-backlit module, comprises reflector plate and LED lamp assembly; Described LED lamp assembly comprises pcb board and is connected to a plurality of LED lamps on pcb board, has first gap between the lampshade of each LED lamp and described pcb board; On described reflector plate, have a plurality of through holes, its position distribution is corresponding one by one with the distribution of a plurality of LED lamps on LED lamp assembly; In described a plurality of through hole, have one at least for irregularly-shaped hole, all the other are circular port; Described irregularly-shaped hole consists of to the edge piece of extending in hole circular port and circular port; Each LED lamp of described LED lamp assembly packs in the through hole that described reflector plate is corresponding by correspondence position respectively, and wherein, the edge piece of described irregularly-shaped hole is sticked in the lampshade and the first gap between pcb board of corresponding LED lamp by elasticity.
The size of described circular port is equal to or greater than the size of the lampshade of LED lamp.
The both sides of described edge piece are in respectively the ray place that outwards disperse at circular port Kong center.
The angle on the both sides of described edge piece is 60 degree.
The free margins of described edge piece is circular arc.
The center of circle of the circular arc of the free margins of described edge piece and the center of circle of described circular port coincide.
The pcb board of described LED lamp assembly is a monoblock printed panel, and described LED lamp is lined up some rows of space.
Described LED lamp assembly also can be parallel to each other to be spaced by the LED lamp bar of some wall scrolls and form, and the pcb board of described LED lamp assembly is the lamp bar pcb board of LED lamp bar, and described LED lamp is distributed on described in each on lamp bar pcb board.
From above-mentioned, to description of the present utility model, compared with prior art, the utlity model has following beneficial effect:
1. can guarantee the large face of reflecting surface fixing will be comparatively smooth, the cavity of backlight module can have good luminous efficiency;
2. the firm position of reflector plate is reliable, and difficult drop-off when vibrations drop test is unaffected equally when being heated.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But in a kind of LED-backlit module of the present utility model, the fixed structure of reflector plate is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is the partial enlarged drawing of the schematic diagram of reflector plate of the present utility model and irregularly-shaped hole wherein;
Fig. 2 is LED lamp bar schematic diagram of the present utility model;
Fig. 3 is that LED lamp strip unit of the present utility model enters reflector plate schematic diagram;
Fig. 4 be in the utility model on reflector plate the edge piece of irregularly-shaped hole embed the schematic diagram that is elastic deformation before the first gap;
Fig. 5 be in the utility model on reflector plate the edge piece of irregularly-shaped hole after embedding in the first gap, recover the schematic diagram of original state.
The specific embodiment
Embodiment,
As shown in Figures 1 to 5, the utility model provides the fixed structure of reflector plate in a kind of LED-backlit module, comprises reflector plate 1 and LED lamp assembly; In the present embodiment, adopt the LED lamp bar 2 of some wall scrolls to be as shown in Figure 2 parallel to each other and be spaced to form LED lamp assembly; In the backlight module of the present embodiment, each LED lamp bar 2 is fixed on five metals backboard 3, as shown in Figure 4 and Figure 5;
Described LED lamp bar 2 comprises lamp bar pcb board 22 and is connected to the some LED lamps 21 on lamp bar pcb board 22, as shown in Figure 2, therefore by the LED lamp bar 2 of some wall scrolls, being parallel to each other to be spaced on the LED lamp assembly forming forms a plurality of LED lamps 21 that arrange space, as shown in Figure 3; Between the lampshade 211 of each LED lamp 21 and described lamp bar pcb board 22, there is a first gap 23(as shown in Figure 4), the gap in current lamp bar on the market between LED lamp lampshade and lamp bar pcb board is about 1mm;
On described reflector plate 1, have a plurality of through holes, its position distribution is corresponding one by one with the distribution of a plurality of LED lamps 21 on LED lamp assembly; As shown in Figure 1, in described a plurality of through holes, have one at least for irregularly-shaped hole 12, all the other are circular port 11; Described irregularly-shaped hole 12 consists of the edge piece 122 of extending in circular port 121 and circular port 121Xiang hole, and as shown in Figure 1, circular port 11 is identical with the size dimension of circular port 121;
During assembling, each LED lamp 21 of described LED lamp assembly packs in the through hole of described reflector plate 1 correspondence by correspondence position respectively, wherein, the edge piece 122 of described irregularly-shaped hole 12 is sticked in the lampshade 211 and the first gap 23 between pcb board 22 of corresponding LED lamp 21, as shown in Figures 3 to 5 by elasticity.
The size of described circular port 11 is equal to or greater than the size of the lampshade 211 of LED lamp 21, and same, the size of circular port 121 is also equal to or greater than the size of the lampshade 211 of LED lamp 21.
Described edge piece 122 both sides 1221 are in respectively the ray place that outwards disperse at circular port 121Kong center, as shown in Figure 1.
The angle on described edge piece 122 both sides 1221 is 60 degree, as shown in Figure 1.
The free margins 1222 of described edge piece 122 is circular arc, as shown in Figure 1.
The center of circle of the circular arc of the free margins 1222 of described edge piece 121 and the described circular port 121 center of circle coincide, as shown in Figure 1.
The 32 cun of DLED backlight modules of take are example, and the reflector plate 1 of this backlight module can design 9 place's irregularly-shaped holes, arrange, as shown in Figure 1 by " water " font.Can guarantee so the large face of reflecting surface fixing will be comparatively smooth, the cavity of backlight module can have good luminous efficiency.Irregularly-shaped hole 12 shape and structures of reflector plate 1 are as shown in the partial enlarged drawing in Fig. 1.During assembling reflector plate 1, the circular port 11 of reflector plate 1 and circular port 121 are aimed at lampshade 211 centers of LED lamp 21, then press the edge piece 122 of one of them irregularly-shaped hole 12 of reflector plate 1, the edge piece 122 of this irregularly-shaped hole 12 will produce strain, as shown in Figure 4, until edge piece 122 is embedded in the lampshade 211 and the first gap 23 between lamp bar pcb board 22 of LED lamp 21, edge piece 122 is just recovered deformation, as shown in Figure 5.In the same way, remaining irregularly-shaped hole 12 is snapped onto in the lampshade 211 and the first gap 23 between pcb board 22 of corresponding LED lamp 21.Finally, reflector plate 1 can form a comparatively smooth reflecting surface, and fixed effect is also comparatively reliable simultaneously.
In above embodiment, adopt the LED lamp bar 2 of some wall scrolls to be as shown in Figure 2 parallel to each other and be spaced to form LED lamp assembly, in fact, the pcb board of described LED lamp assembly also can be a monoblock printed panel (not shown).Now, the LED lamp on pcb board is lined up some rows of space equally.
Above-described embodiment is only used for further illustrating the fixed structure of reflector plate in a kind of LED-backlit module of the present utility model; but the utility model is not limited to embodiment; any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all fall in the protection domain of technical solutions of the utility model.
Claims (8)
1. the fixed structure of reflector plate in a LED-backlit module, comprise reflector plate and LED lamp assembly, it is characterized in that: described LED lamp assembly comprises pcb board and is connected to a plurality of LED lamps on pcb board, has first gap between the lampshade of each LED lamp and described pcb board; On described reflector plate, have a plurality of through holes, its position distribution is corresponding one by one with the distribution of a plurality of LED lamps on LED lamp assembly; In described a plurality of through hole, have one at least for irregularly-shaped hole, all the other are circular port; Described irregularly-shaped hole consists of to the edge piece of extending in hole circular port and circular port; Each LED lamp of described LED lamp assembly packs in the through hole that described reflector plate is corresponding by correspondence position respectively, and wherein, the edge piece of described irregularly-shaped hole is sticked in the lampshade and the first gap between pcb board of corresponding LED lamp by elasticity.
2. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, is characterized in that, the size of described circular port is equal to or greater than the size of the lampshade of LED lamp.
3. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 2, is characterized in that, the both sides of described edge piece are in respectively the ray place that outwards disperse at circular port Kong center.
4. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 3, is characterized in that, the angle on the both sides of described edge piece is 60 degree.
5. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 4, is characterized in that, the free margins of described edge piece is circular arc.
6. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 5, is characterized in that, the center of circle of the circular arc of the free margins of described edge piece and the center of circle of described circular port coincide.
7. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, is characterized in that, the pcb board of described LED lamp assembly is a monoblock printed panel, and described LED lamp is lined up some rows of space.
8. the fixed structure of reflector plate in a kind of LED-backlit module as claimed in claim 1, it is characterized in that, described LED lamp assembly is parallel to each other to be spaced by the LED lamp bar of some wall scrolls and forms, the pcb board of described LED lamp assembly is the lamp bar pcb board of LED lamp bar, and described LED lamp is distributed on described in each on lamp bar pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499250.5U CN203395840U (en) | 2013-08-15 | 2013-08-15 | Fixing structure of reflector plate in light-emitting diode (LED) backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320499250.5U CN203395840U (en) | 2013-08-15 | 2013-08-15 | Fixing structure of reflector plate in light-emitting diode (LED) backlight module |
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| Publication Number | Publication Date |
|---|---|
| CN203395840U true CN203395840U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320499250.5U Withdrawn - After Issue CN203395840U (en) | 2013-08-15 | 2013-08-15 | Fixing structure of reflector plate in light-emitting diode (LED) backlight module |
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| CN (1) | CN203395840U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511991A (en) * | 2013-08-15 | 2014-01-15 | 厦门华侨电子股份有限公司 | Fixing structure of reflector plate in LED backlight module |
-
2013
- 2013-08-15 CN CN201320499250.5U patent/CN203395840U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511991A (en) * | 2013-08-15 | 2014-01-15 | 厦门华侨电子股份有限公司 | Fixing structure of reflector plate in LED backlight module |
| CN103511991B (en) * | 2013-08-15 | 2015-08-12 | 厦门厦华投资有限公司 | The fixed structure of reflector plate in a kind of LED-backlit module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XIAMEN XIAHUA INVESTMENT CO., LTD. Free format text: FORMER OWNER: XIAMEN OVERSEAS CHINESE ELECTRONIC CO., LTD. Effective date: 20140613 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140613 Address after: 361000 Fujian, Xiamen Lake District, Jiahe Road, building 505, room five, room 618 Patentee after: Xiamen Xiahua Investment Co., Ltd. Address before: 361000 No. 22 Huli Avenue, Fujian, Xiamen Patentee before: Xiamen Overseas Chinese Electronic Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiamen Science and Technology Ltd. of Xiahua Assignor: Xiamen Xiahua Investment Co., Ltd. Contract record no.: 2015350000036 Denomination of utility model: The fixed structure of reflector plate in a kind of LED-backlit module Granted publication date: 20140115 License type: Exclusive License Record date: 20150514 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140115 Effective date of abandoning: 20150812 |
|
| RGAV | Abandon patent right to avoid regrant |