CN201413442Y - Backlight source - Google Patents
Backlight source Download PDFInfo
- Publication number
- CN201413442Y CN201413442Y CN2009201086220U CN200920108622U CN201413442Y CN 201413442 Y CN201413442 Y CN 201413442Y CN 2009201086220 U CN2009201086220 U CN 2009201086220U CN 200920108622 U CN200920108622 U CN 200920108622U CN 201413442 Y CN201413442 Y CN 201413442Y
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- CN
- China
- Prior art keywords
- shaped portion
- fastener
- plastic frame
- backlight
- display panels
- Prior art date
- 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 relates to a backlight source, which comprises an LCD panel, a plastic frame, a luminaire unit and a light guide unit. The plastic frame includes a U-shaped section and a line-shapedsection, wherein the U-shaped section is fixedly connected with the line-shaped section to form a cavity for fixing the LCD panel. Due to the improvement of the plastic frame structure, the LCD panelcan be fixed without the need of an outer metal frame, thereby reducing the cost of the outer metal frame of the prior backlight source. Accordingly, the backlight source has lowered cost and more compact structure.
Description
Technical field
The utility model relates to a kind of display panels manufacturing technology, particularly relates to a kind of backlight.
Background technology
LCDs mainly adopts side light emitting source formula backlight to provide liquid crystal display required light source.Fig. 1 is a prior art back light source structure synoptic diagram.In the backlight as shown in Figure 1, plastic frame (MoldFrame) 12 main bodys are the skeletons in entire backlight source." " of plastic frame 12 " shape portion is mainly used in support display panels 11, in the backlight assembling process, display panels 11 is placed on " " of plastics housing " in the shape portion; Then, metal outer frame (Bezel) 13 is installed, from external support display panels 11, makes display panels 11 be fixed on " " of metal outer frame 13 and plastics housing 12 by metal outer frame 13 in the periphery of display panels 11 " between the shape portion.
The designer finds in realizing the utility model process, in the backlight that the available liquid crystal display screen is used, is used for fixing " " that display panels partly comprises the plastics housing " shape portion and metal outer frame two parts composition.And metal outer frame cost shared ratio in the backlight manufacturing cost is higher, and for example: in the LCDs of 15.6NB, the ratio of metal outer frame cost and backlight total cost is about 3: 31; And in the LCDs to 14NB, the ratio of metal outer frame cost and backlight total cost is about 3: 28 etc.As seen, the prior art backlight need use metal outer frame to assist the immobile liquid LCD panel, thereby has increased the whole cost of backlight.
The utility model content
The purpose of this utility model provides a kind of backlight, is used to reduce the manufacturing cost of backlight.
For achieving the above object, the utility model provides a kind of backlight, comprise: display panels, plastic frame, light fixture group and leaded light group, described plastic frame comprises U-shaped portion and in-line portion, and described U-shaped portion and described in-line portion are affixed to be formed for the cavity of fixing described display panels.
On the basis of technique scheme, two arms of described U-shaped portion are formed with first fastener respectively, and described in-line portion is formed with second fastener, described first fastener and the described second fastener clamping.Described first fastener can be formed at two arms of described U-shaped portion, vertically move with respect to described U-shaped portion by described in-line portion and to make described second fastener and the described first fastener clamping, perhaps, make described second fastener and the described first fastener clamping by described in-line with respect to horizontal the moving of described U-shaped portion.Further, described U-shaped portion comprises two arms and the end that is connected with two arms respectively, and described two arms and described end are one-body molded.
The utility model backlight is by improving the plastic frame structure, making does not need to use metal outer frame in the fixation procedure of carrying out display panels, therefore, help saving the cost of the required metal outer frame of immobile liquid LCD panel in the existing backlight, thereby help reducing the cost of backlight, and make based on the back light source structure of this plastic frame assembling formation compact more.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a prior art back light source structure synoptic diagram;
Fig. 2 is the utility model back light source structure synoptic diagram;
Fig. 3 is the plastic frame partial structurtes synoptic diagram after the utility model assembling;
Fig. 4 a is the utility model plastic frame partial groups assembling structure synoptic diagram one;
Fig. 4 b is the local assemble method synoptic diagram of the plastic frame shown in Fig. 4 a;
Fig. 5 a is the utility model plastic frame partial groups assembling structure synoptic diagram two;
Fig. 5 b is the local assemble method synoptic diagram of the plastic frame shown in Fig. 5 a.
Description of reference numerals:
The 11-display panels; The 12-plastic frame; 121-U shape portion;
122-in-line portion; 1211-first fastener; 1221-second fastener;
The 13-metal outer frame; The 141-lamp; The 142-lamp reflector;
The 151-light guide plate; The 152-blooming; The 16-adhesive tape.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only 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 utility model back light source structure synoptic diagram; Fig. 3 is the plastic frame partial structurtes synoptic diagram after the utility model assembling.As shown in Figures 2 and 3, the utility model backlight mainly comprises: display panels 11, plastic frame 12, light fixture group and leaded light group; The light fixture group mainly comprises: lamp (LED) 141 and lamp reflector (Lamp Reflector) 142; The leaded light group mainly comprises: light guide plate (being called for short LGP) 151 and various blooming (Sheet) 152, and as anti-reflection film, reflective membrane etc.Plastic frame 12 is mainly used in support and the required miscellaneous part of fixing assembling backlight, as display panels 11, light fixture group and leaded light group etc., wherein, plastic frame 12 comprises U-shaped portion 121 and in-line portion 122, U-shaped portion 121 and cavity that is used for fixing display panels 11 of in-line portion 122 affixed formation.Wherein, the mode that U-shaped portion 121 fixedlys connected with in-line portion 122 is very flexible, for example: the mode that U-shaped portion 121 and in-line portion 122 can double faced adhesive tape paste is fixedlyed connected, perhaps U-shaped portion 121 and in-line portion 122 can screw or the mode of elasticity firmware fixedly connected, perhaps U-shaped portion 121 fixedlys connected in the mode of clamping etc. with in-line portion 122.
Assembling process below in conjunction with the notebook backlight is an example, and the utility model backlight is comprised that the annexation between each parts is elaborated.
Step 201, a side of light guide plate 151 is adhered on the plastic frame 12, and an end of light guide plate 151 is connected with lamp reflector 142.
Step 202, lamp 141 is installed in the lamp reflector 142, lamp reflector 142 and plastic frame 12 is pasted by adhesive tape 16, and adopted screw to be fixedlyed connected with plastic frame 12 respectively in the two ends of lamp reflector 142.The array that lamp 141 can be specially single fluorescent tube or many fluorescent tubes or have a plurality of LED lamps to form.
Step 203, various bloomings 152 are fixed in the plastic frame by slot, the blended rubber band cements.Above step is prior art, does not repeat them here.
Step 204, display panels 11 is placed in the U-shaped portion 121 of plastics housing 12, after placing display panels 11, with U-shaped portion 121 clampings of the in-line portion 122 of plastics housing 12 and plastics housing 12 with immobile liquid LCD panel 11.
By above-mentioned assembling process as seen, the utility model improves the structure of plastic frame 12, plastic frame 12 after the improvement comprises two parts: U-shaped portion 121 and in-line portion 122, U-shaped portion 121 is used for support display panels 11, in- line portion 122 and 121 clampings of U-shaped portion form seals, so that display panels 11 is fixed in the cavity of U-shaped portion 121 and the clamping formation of in-line portion.As seen, the utility model can be realized support and fixing effect to display panels by plastics housing 12 self structure, therefore, do not need to use metal outer frame to assist immobile liquid LCD panel 11 in the utility model backlight, in the preparation process of backlight, saved the cost of metal outer frame, because plastics housing 12 is lower with respect to the cost of metal outer frame, thereby the plastic frame structure immobile liquid LCD panel of the utility model after adopt improving, thereby help reducing the cost of backlight.
The designer finds in realizing the utility model process, " " with the plastics housing " shape portion cooperates with metal outer frame in the existing design of immobile liquid LCD panel; because the relative plastics molding process of metal forging technology is wayward; metal outer frame easily forms the rough surface that rises and falls in the punching press forming process; and the slit between metal outer frame and the display panels is very little, as 0.1mm～0.2mm.When as mobile device, as as the display panels of notebook computer in moving process or be in the external environment of shake, may bump between metal outer frame and the display panels, and phenomenons such as ripples line appear at the fringe region of display panels, influenced the display quality of LCDs.
And the utility model improves the part that plastics housing 12 is used for the support display panels, " " with original plastics housing 12 " shape portion changes to the U-shaped portion 121 and the in-line portion 122 of clamping; wherein; the U-shaped portion 121 of plastics housing 12 comprises two arms and the end that is connected with two arms respectively; when the U-shaped portion 121 of preparation plastics housing 12; can two arms and the end of U-shaped portion 121 is one-body molded, simplify preparation technology and make back light source structure compactness more.Therefore, be applied to when the utility model backlight in the mobile devices such as notebook computer, two arm surfaces of the U-shaped portion 121 of plastics housing 12 are comparatively even, make that the distance between display panels 11 and two arms is comparatively even, help reducing because of equipment and move or equipment places the external environment of shake, the collision of display panels 11 and U-shaped portion 121, thus help reducing the probability that bad demonstration phenomenons such as ripples line take place, thus help improving the display quality of display panels 11.
Fig. 4 a is the utility model plastic frame partial groups assembling structure synoptic diagram one; Fig. 4 b is the local assemble method synoptic diagram of the plastic frame shown in Fig. 4 a.Fig. 5 a is the utility model plastic frame partial groups assembling structure synoptic diagram two; Fig. 5 b is the local assemble method synoptic diagram of the plastic frame shown in Fig. 5 a.Assembling for ease of backlight, can on two arms of the U-shaped portion 121 of plastic frame 12, form first fastener 1211 respectively, in-line portion 122 at plastic frame 12 forms second fastener 1221, when display panels 11 is placed in the U-shaped portion 121 of plastic frame 12, with first fastener 1211 and 1221 clampings of second fastener, thus immobile liquid LCD panel 11.
Fig. 4 a～Fig. 5 b shows the package assembly and the assemble method thereof of two kinds of different plastic frames parts.Shown in Fig. 2, Fig. 4 a and Fig. 4 b, two arms of the U-shaped portion 121 of plastic frame 12 are formed with first fastener 1211 respectively, in the time of in display panels 11 is placed into U-shaped portion 121, the in-line portion 122 of plastic frame 12 vertically moves with respect to U-shaped portion 121, as motion from top to bottom, make first fastener, 1211 clampings of second fastener 1221 and U font portion 121 in the in-line portion 122.As seen, U-shaped portion 121 finishes with being connected in the Different Plane of in-line portion 122 among Fig. 4 a.Shown in Fig. 2, Fig. 5 a and Fig. 5 b, two arms of the U-shaped portion 121 of plastic frame 12 are formed with first fastener 1211 respectively, in the time of in display panels 11 is placed into U-shaped portion 121, the in-line portion 122 of plastic frame 12 laterally moves with respect to U-shaped portion 121, as from a left side and right motion, make first fastener, 1211 clampings of second fastener 1221 and U font portion 121 in the in-line portion 122.As seen, U-shaped portion 121 finishes with being connected in the same level of in-line portion 122 among Fig. 5 a.
In sum, in the back light source structure that the utility model proposes, by the plastic frame structure is improved, making does not need to use metal outer frame in the fixation procedure of carrying out display panels, but can realize fixing to display panels by the plastic frame structure, therefore, help saving the cost of the required metal outer frame of immobile liquid LCD panel in the existing backlight, thereby help reducing the cost of backlight.In addition, because plastic frame is used for support and the fixing corresponding site of assembling the required miscellaneous part (as display panels, light fixture group and leaded light group etc.) of backlight all can be one-body molded in the plastic frame preparation process, therefore, feasible back light source structure based on this plastic frame assembling formation is compact more.
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 previous embodiment is 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 the utility model embodiment technical scheme.
Claims (5)
1, a kind of backlight, comprise: display panels, plastic frame, light fixture group and leaded light group, it is characterized in that described plastic frame comprises U-shaped portion and in-line portion, described U-shaped portion and described in-line portion are affixed to be formed for the cavity of fixing described display panels.
2, backlight according to claim 1 is characterized in that, two arms of described U-shaped portion are formed with first fastener respectively, and described in-line portion is formed with second fastener, described first fastener and the described second fastener clamping.
3, backlight according to claim 2 is characterized in that, described first fastener is formed at two arms of described U-shaped portion, vertically moves with respect to described U-shaped portion by described in-line portion and makes described second fastener and the described first fastener clamping.
4, backlight according to claim 2 is characterized in that, described first fastener is formed at two arms of described U-shaped portion, laterally moves with respect to described U-shaped portion by described in-line and makes described second fastener and the described first fastener clamping.
5, backlight according to claim 1 is characterized in that, described U-shaped portion comprises two arms and the end that is connected with two arms respectively, and described two arms and described end are one-body molded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201086220U CN201413442Y (en) | 2009-05-26 | 2009-05-26 | Backlight source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201086220U CN201413442Y (en) | 2009-05-26 | 2009-05-26 | Backlight source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201413442Y true CN201413442Y (en) | 2010-02-24 |
Family
ID=41715324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201086220U Expired - Lifetime CN201413442Y (en) | 2009-05-26 | 2009-05-26 | Backlight source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201413442Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102809838A (en) * | 2012-08-21 | 2012-12-05 | 深圳市华星光电技术有限公司 | Liquid crystal display device with no margin frame |
| US8786800B2 (en) | 2012-08-21 | 2014-07-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Frameless liquid crystal display device |
| TWI468780B (en) * | 2011-11-03 | 2015-01-11 | Innolux Corp | Lcd module with an easily assembled structure |
-
2009
- 2009-05-26 CN CN2009201086220U patent/CN201413442Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI468780B (en) * | 2011-11-03 | 2015-01-11 | Innolux Corp | Lcd module with an easily assembled structure |
| CN102809838A (en) * | 2012-08-21 | 2012-12-05 | 深圳市华星光电技术有限公司 | Liquid crystal display device with no margin frame |
| WO2014029127A1 (en) * | 2012-08-21 | 2014-02-27 | 深圳市华星光电技术有限公司 | Frameless liquid crystal display device |
| US8786800B2 (en) | 2012-08-21 | 2014-07-22 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Frameless liquid crystal display device |
| CN102809838B (en) * | 2012-08-21 | 2015-02-04 | 深圳市华星光电技术有限公司 | Liquid crystal display device with no margin frame |
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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: 20150618 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150618 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150618 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 economic and Technological Development Zone, West Central Road, No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100224 |
|
| CX01 | Expiry of patent term |