CN201885104U - Backlight source and liquid crystal display - Google Patents
Backlight source and liquid crystal display Download PDFInfo
- Publication number
- CN201885104U CN201885104U CN2010206867455U CN201020686745U CN201885104U CN 201885104 U CN201885104 U CN 201885104U CN 2010206867455 U CN2010206867455 U CN 2010206867455U CN 201020686745 U CN201020686745 U CN 201020686745U CN 201885104 U CN201885104 U CN 201885104U
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- rib
- backlight
- backboard
- reflective membrane
- lgp
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Abstract
The utility model discloses a backlight source and a liquid crystal display. The backlight source comprises a back plate, a reflecting plate, a light guide plate and a lamp tube, wherein the reflecting plate is positioned on the surface of the back plate, and the lamp tube is arranged on a lamp holder positioned on the edge of the back plate; a plurality of ribs are arranged on the edge of the back plate, and the light guide plate is placed on the ribs; and the lamp holder is positioned in a gap among the ribs, and the lamp tube is arranged on the lamp holder. In the technical scheme, the ribs are arranged on the back plate and are used as supporting and positioning parts of the light guide plate, therefore, the assembly efficiency of the backlight source is improved and the production cost of the backlight source is effectively reduced.
Description
Technical field
The utility model relates to display technology, relates in particular to a kind of backlight and LCD.
Background technology
Thin Film Transistor-LCD (Thin Film Transistor Liquid CrystalDisplay, TFT-LCD) have advantages such as volume is little, low in energy consumption, radiationless, in current flat panel display market, occupied leading position, be widely used in various fields, for example LCD TV, high definition digital television, computer, mobile phone, PDA etc.Wherein, backlight is the vitals of LCD, and light source is provided when being used to LCD work.
Fig. 1 is the structural representation of backlight in the available liquid crystal display.As shown in Figure 1, the backlight of available liquid crystal display comprises: backboard 10, frame 20, plastic frame 30 and front baffle 40, and wherein, backboard 10 is provided with reflector 50; Frame 20 is arranged between backboard 10 and the plastic frame 30, is placed with LGP 60 on this frame 20, is used to support LGP 60 and plastic frame 30; Be placed with panel 70 on the plastic frame 30, be used for support panel 70; Fluorescent tube 80 is fixed on the backboard 10 by supporting base, and between reflector 50 and LGP 60; Front baffle 40 is used for each parts closely is fixed on backboard 10; Simultaneously, for guaranteeing the light effect that of backlight, improve light utilization efficiency, frame 20 medial surfaces are the inclined plane, and this inclined plane need have reflection action, so that the light that fluorescent tube 80 is sent reflexes to LGP 60, therefore, frame 20 normally is made by the white material with reflective function.At present, for making frame 20 have reflecting effect, improve light utilization efficiency, avoid the reflective of plastic frame 30 simultaneously, the separately design usually of frame 20 and plastic frame 30, and independent ejection formation, make frame 20 be made by white material with reflective function, plastic frame 30 then is made by the material that does not have reflective function, to guarantee the light effect that of backlight, improves light utilization efficiency.
In the existing backlight, because frame designs separately and ejection formation, the mould development cost is higher, and simultaneously, the part of backlight is also more, makes that the packaging efficiency of backlight is lower, and the backlight production cost is higher, is unfavorable for the promotion and application of LCD.
The utility model content
The utility model provides a kind of backlight and LCD, can reduce the quantity of part in the backlight, improves the packaging efficiency of backlight, reduces the production cost of backlight.
The utility model provides a kind of backlight, comprises backboard, reflector, LGP and fluorescent tube, and described reflector is positioned at described back plate surface, and described fluorescent tube is installed on the lamp socket that is positioned at described back plate edges; The edge of described backboard is provided with many ribs, and described LGP is placed on the described rib; In the gap of described lamp socket between described rib, described fluorescent tube is installed on the described lamp socket.
In the above-mentioned backlight, each edge of described backboard is provided with rib.
In the above-mentioned backlight, the quantity of described rib is at least two, is disposed on the edge of described backboard.
In the above-mentioned backlight, described rib is a bending shape rib, and described bending shape rib comprises: first rib that described relatively backboard be arranged in parallel, and second rib that is obliquely installed to described back plate edges; Described LGP is arranged on described first rib.The described second rib integral body is triangular in shape.Perhaps, the described second rib integral body is trapezoidal.
Above-mentioned backlight also can comprise reflective membrane, and described reflective membrane is arranged on described second rib, and offers the hole adaptive with tube diameter on the described reflective membrane.Described reflective membrane can be an integral body with described reflector.And described reflective membrane Pasting is on described second rib.
The utility model provides a kind of LCD, comprises panel and backlight, wherein, and the backlight of described backlight for adopting above-mentioned the utility model to provide.
Backlight that the utility model provides and LCD, by edge rib is set at backboard, and utilize the support component of rib as LGP, therefore, for existing backlight, can save the setting of frame, make the parts of backlight reduce, reduce the cost of manufacture of backlight parts, the backlight assembling is convenient, can effectively improve the packaging efficiency of backlight, reduce the production cost of backlight.The back light source structure that the utility model provides is simple, and it is convenient to realize, can effectively reduce the cost of backlight.
Description of drawings
Fig. 1 is the structural representation of backlight in the available liquid crystal display;
Fig. 2 is the structural representation of the utility model backlight embodiment one;
Fig. 3 is the structural representation of the utility model embodiment one dorsulum;
Fig. 4 is the structural representation of the utility model backlight embodiment two dorsulums;
Fig. 5 is the partial enlarged drawing at A place among Fig. 4;
Fig. 6 is the structural representation of the embodiment of the invention three center ribs.
Reference numeral:
The 10-backboard; The 20-frame; The 30-plastic frame;
The 40-front baffle; The 50-reflector; The 60-LGP;
The 70-panel; The 80-fluorescent tube; The 1-backboard;
The 2-reflector; The 3-LGP; The 4-fluorescent tube;
The 5-rib; The 6-plastic frame; 51-first rib;
52-second rib; The 7-reflective membrane.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 2 is the structural representation of the utility model backlight embodiment one; Fig. 3 is the structural representation of the utility model embodiment one dorsulum.As shown in Figures 2 and 3, the present embodiment backlight comprises: backboard 1, reflector 2, LGP 3 and fluorescent tube 4, and wherein, reflector 2 is positioned at the surface of backboard 1, and fluorescent tube 4 is installed on the lamp socket that is positioned at backboard 1 edge; The edge of backboard 1 is provided with rib 5, and LGP 3 is placed on the rib 5; Install in the gap of lamp socket between rib 5 of fluorescent tube.In the present embodiment, by rib 5 is set, and utilize support and the positioning element of rib 5 on backboard 1, reduced the number of components of backlight, be convenient to processing, the making of parts, can effectively reduce the production cost of backlight as LGP 3.
In the present embodiment, as shown in Figure 2, also can be provided with plastic frame 6 on backboard 1, can place panel on this plastic frame 6, and also be provided with front baffle on the panel, front baffle can closely be fixed on panel, plastic frame 6 and other parts on the backboard 1 together.
In the present embodiment, the quantity of rib 5 that is arranged on the edge of backboard 1 should be two at least, and is arranged on the edge of backboard 1 evenly and at intervals, particularly, as shown in Figure 3, present embodiment dorsulum 1 left and right edges is provided with 5 ribs 5, and the rib of left and right edges is symmetrical arranged; In the gap of lamp socket between rib 5, and fluorescent tube 4 is installed on the lamp socket by the gap between the rib 5.In the practical application, the rib of suitable quantity can be set as required,, not limit at this as long as can guarantee LGP is played support and positioning action preferably.
In the present embodiment, as shown in Figure 3, rib 5 can be set in the left and right edges of backboard 1, and the both sides, front and back of backboard 1 can not be provided with rib 5, like this, can reduce the difficulty of processing of backboard 1, are convenient to the processing and manufacturing of backboard 1, reduce the backboard cost of manufacture.
In the present embodiment, above-mentioned backboard 1 also can be the backboard of other shape except can quadrangle as shown in Figure 3, for example can be hexagon etc., but its concrete shape actual needs and setting, to satisfy the needs of different displays.
In the present embodiment, by edge rib is set at backboard, and utilize the support component of rib as LGP, therefore, for existing backlight, can save the setting of frame, make the parts of backlight reduce, reduce the cost of manufacture of backlight parts, the backlight assembling is convenient, can effectively improve the packaging efficiency of backlight, reduce the production cost of backlight; Simultaneously,, saved the Mold Making process of frame like this, can effectively reduce the production cost and the production cycle in entire backlight source owing to saved existing rim member.
Fig. 4 is the structural representation of the utility model backlight embodiment two dorsulums.Different with 3 illustrated embodiment technical schemes with above-mentioned Fig. 2 is, as shown in Figure 4, each edge of present embodiment dorsulum 1 is provided with rib 5, promptly also be provided with rib 5 at the edge, front and back of backboard 1, like this, on four edges of backboard 1, all there is rib to support LGP, can makes that the installation of LGP is stable more, firm, improve LGP installation accuracy and installation quality, improve the stability and the quality of backlight work.
Fig. 5 is the partial enlarged drawing at A place among Fig. 4.As shown in Figure 5, present embodiment center rib 5 is bending shape rib, this bending shape rib can comprise first rib 51 and second rib 52, wherein, first rib 51 be arranged in parallel with respect to backboard 1, second rib 52 is with respect to the edge tilt setting of backboard 1, and LGP just is arranged on first rib 51, and second rib, 52 integral body in echelon.
Further, for improving the luminous efficiency of backlight, can be provided with reflective membrane 7 by second rib 52, and offer the hole adaptive with tube diameter on the reflective membrane 7, like this, the hole that fluorescent tube can pass on the reflective membrane 7 is installed on the lamp socket.As can be seen, by reflective membrane 7 is set on rib, the light that can effectively launch fluorescent tube reflexes in the LGP, thereby improves the light utilization efficiency of backlight, improves the luminous efficiency of backlight; And the reflective membrane 7 of setting can effectively play dustproof effect, guarantees the quality of backlight.It will be appreciated by persons skilled in the art that at the edge of the backboard that does not have lamp socket the reflective membrane that is provided with on second rib 52 can be provided with the hole.
In the present embodiment, described reflective membrane can be one-body molded with reflector, be that reflective membrane and reflector are an integral body, like this, can be convenient to the making and the assembling of reflective membrane, particularly, can be with the edge bending of reflector, dogleg section promptly can be used as reflective membrane, when backlight is assembled, reflector through bending directly can be placed on the backboard, the dogleg section as reflective membrane should be close on second rib; Simultaneously, for avoiding the reflective membrane perk, can reflective membrane be sticked on second rib by glue.
Fig. 6 is the structural representation of the embodiment of the invention three center ribs.Different with technical scheme shown in Figure 5 with above-mentioned Fig. 4 is that in this present embodiment, as shown in Figure 6, second rib, 52 integral body can be triangular in shape, the effect that it can play the support LGP equally and reflective membrane is set.
In the various embodiments described above, backboard can change to the plastic material steel plate by steel plate, like this, when backboard is made, can utilize mould directly to make to such an extent that have the plastic cement backboard of rib to the edge, can effectively reduce the manufacture craft of backboard, simultaneously, also can reduce backboard quality and production cost, to adapt to the lightening development trend of backlight and LCD.
For technical solutions of the utility model are had a better understanding, the assembling mode to the utility model backlight describes below.
At first, place the reflector of process bending, and dogleg section is sticked on the rib at the upper surface of backboard; Secondly, lamp socket is installed in the rib below, and fluorescent tube is passed the hole of the dogleg section of reflector, so that fluorescent tube is installed on the lamp socket; Then, LGP is placed on the rib, plastic frame is installed on rib and the LGP; At last, panel is placed on the plastic frame, and front baffle is installed, so that each parts tightly is installed on the backboard.As can be seen, in the technical solutions of the utility model, remove the frame in the existing backlight, thereby made that the assembling of backlight is convenient more, can effectively improve the packaging efficiency of backlight, reduced the production cost of backlight.
The utility model backlight is a direct-light-type backlight, can be applicable to the large-size display, for example more than 32 cun on the large scale CCFL/EEFL display, can effectively reduce the production cost of display, adapts to the trend of the lightening development of display.
In addition, the utility model embodiment also provides a kind of LCD, comprises above-mentioned described backlight, and its concrete structure can not repeat them here referring to the explanation of above-mentioned the utility model backlight embodiment.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a backlight comprises backboard, reflector, LGP and fluorescent tube, and described reflector is positioned at described back plate surface, and described fluorescent tube is installed on the lamp socket that is positioned at described back plate edges; It is characterized in that the edge of described backboard is provided with many ribs, described LGP is placed on the described rib; In the gap of described lamp socket between described rib, described fluorescent tube is installed on the described lamp socket.
2. backlight according to claim 1 is characterized in that, each edge of described backboard is provided with rib.
3. backlight according to claim 1 is characterized in that the quantity of described rib is at least two, is disposed on the edge of described backboard.
4. according to claim 1,2 or 3 described backlights, it is characterized in that described rib is a bending shape rib, described bending shape rib comprises:
First rib that described relatively backboard be arranged in parallel, and second rib that is obliquely installed to described back plate edges; Described LGP is arranged on described first rib.
5. backlight according to claim 4 is characterized in that, the described second rib integral body is triangular in shape.
6. backlight according to claim 4 is characterized in that, the described second rib integral body is trapezoidal.
7. backlight according to claim 4 is characterized in that, also comprises reflective membrane, and described reflective membrane is arranged on described second rib, and offers the hole adaptive with tube diameter on the described reflective membrane.
8. backlight according to claim 7 is characterized in that, described reflective membrane and described reflector are an integral body.
9. backlight according to claim 7 is characterized in that, described reflective membrane sticks on described second rib.
10. a LCD comprises panel and backlight, it is characterized in that, described backlight requires 1～9 arbitrary described backlight for adopting aforesaid right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206867455U CN201885104U (en) | 2010-12-28 | 2010-12-28 | Backlight source and liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206867455U CN201885104U (en) | 2010-12-28 | 2010-12-28 | Backlight source and liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201885104U true CN201885104U (en) | 2011-06-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206867455U Expired - Lifetime CN201885104U (en) | 2010-12-28 | 2010-12-28 | Backlight source and liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201885104U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016061984A1 (en) * | 2014-10-21 | 2016-04-28 | 京东方科技集团股份有限公司 | Reinforcement structure for optical film material and optical film material using same |
| CN108413355A (en) * | 2018-02-13 | 2018-08-17 | 南京优助智能科技有限公司 | A kind of energy centre control system |
-
2010
- 2010-12-28 CN CN2010206867455U patent/CN201885104U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016061984A1 (en) * | 2014-10-21 | 2016-04-28 | 京东方科技集团股份有限公司 | Reinforcement structure for optical film material and optical film material using same |
| CN108413355A (en) * | 2018-02-13 | 2018-08-17 | 南京优助智能科技有限公司 | A kind of energy centre control system |
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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: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150707 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150707 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150707 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |