CN202972966U - Back plate of backlight source, backlight source and display device - Google Patents
Back plate of backlight source, backlight source and display device Download PDFInfo
- Publication number
- CN202972966U CN202972966U CN201220474388.5U CN201220474388U CN202972966U CN 202972966 U CN202972966 U CN 202972966U CN 201220474388 U CN201220474388 U CN 201220474388U CN 202972966 U CN202972966 U CN 202972966U
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- central part
- edge
- backboard
- removably
- backlight
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Abstract
The utility model provides a back plate of a backlight source, which comprises a centre part and a peripheral part, wherein the centre part is used for bearing a light source, the peripheral part is arranged at the periphery of the centre part, and the centre part is detachably connected with the peripheral part. Accordingly, a back light source of the back plate and a display device comprising the back light source are provided. According to the back light source, the dismounting of the light source is better convenient and time saving, and an optical film of the back light source cannot be damaged during dismounting the light source.
Description
Technical field
The utility model relates to the display fabrication techniques field, is specifically related to a kind of backboard, backlight and display unit of backlight.
Background technology
Liquid crystal display has occupied leading position because having the characteristics such as volume is little, low in energy consumption, radiationless in current flat panel display market.In liquid crystal display, because liquid crystal itself is not luminous, it regulates and controls light, in order to show image on the screen that makes liquid crystal display, needs to arrange backlight (BLU, Back Light Unit) after display floater (Panel).
In general, backlight can be divided into side-light type back light and direct-light-type backlight according to the difference of backlight distributing position, wherein, the light source in side-light type back light is positioned at the side of display floater, and the light source in direct-light-type backlight is positioned at the bottom of display floater.Because but direct-light-type backlight has that brightness is high, heat radiation is simple, the good local dimming of picture contrast and be applicable to the advantage such as large scale liquid crystal display and in the field of business being more widely used gradually.
as shown in Figure 1, existing direct-light-type backlight generally comprises backboard (Back Cover) 2, be arranged on reflector plate (Reflector Sheet) 3 and light source 1 on backboard 2, be arranged on the diffuser plate (Diffuser Plate) 4 on reflector plate 3, be arranged on the blooming piece (Film) 5 on diffuser plate 4, and be arranged on the edge of blooming piece 5 surroundings and be fixed on plastic frame (Mold Frame) 8 on the edge of backboard 2 surroundings, display floater 6 is arranged on plastic frame 8 in direct-light-type backlight, be provided with the front chase (Bezel) 7 for fixed display panel 6 on the edge of described display floater 6 surroundings, described front chase 7 is fixedly connected on plastic frame 8.Wherein, described backboard 2 adopts integral structure, therefore break down and when needing replacing when light source 1, just can dismantle light source 1 after needing successively front chase 7, display floater 6, plastic frame 8, blooming piece 5, diffuser plate 4 and reflector plate 3 to be removed, therefore the dismounting of light source 1 is more consuming time in such cases, and easily to miscellaneous part injury in described direct-light-type backlight, especially easily to blooming piece 5 injuries, increased the damage probability of blooming piece 5.
The utility model content
Technical problem to be solved in the utility model is for existing defects in prior art, provide a kind of dismounting during light source for convenience of, save time and can not be damaged to the backlight of blooming piece backboard, comprise the backlight of described backboard and the display unit that comprises described backlight.
Solve the problems of the technologies described above the technical scheme that adopts:
The backboard of described backlight comprises central part and surrounding section, and described central part is used for the carrying light source, and described surrounding section is arranged on the periphery of described central part, and described central part removably is connected with described surrounding section.
Alternatively, described central part is a plurality of, and described surrounding section is arranged on the periphery of all central parts, and described surrounding section removably is connected with the central part adjacent with it, removably connects between described a plurality of central parts.
Alternatively, described backboard also comprises the structure that removably connects, and described central part removably is connected with surrounding section by the described structure that removably connects.
Alternatively, described backboard comprises a plurality of structures that removably connect, between described surrounding section and the central part adjacent with it, all removably be connected by the structure that removably connects between a plurality of central part.
Alternatively, the described structure that removably connects comprises at least a in bolt, double-screw bolt, screw, buckle notch.
Alternatively, described buckle notch comprises:
Be arranged on one or more buckles and/or one or more draw-in groove on the edge adjacent with central part of described surrounding section, and be arranged on one or more buckles and/or one or more draw-in groove at least one edge of described central part, wherein buckle is connected that with draw-in groove surrounding section removably is connected with the edge of central part, or the edge between a plurality of central parts is removably connected.
Alternatively, described backlight is direct-light-type backlight, base plate under described backboard comprises, with the edge-on wall of surrounding of the side edge of described base plate, and the display floater side frame that joins and be fixedly connected with display floater with the edge-on wall top edge of described surrounding, wherein:
Described central part comprises described base plate, and described surrounding section comprises the edge-on wall of described surrounding and described display floater side frame; Perhaps,
Described central part comprises described base plate and the edge-on wall of described surrounding, and described surrounding section comprises described display floater side frame.
The utility model provides a kind of backlight simultaneously, comprises one or more light sources, and above-mentioned backboard.
Alternatively, described light source adopts in cathode fluorescent tube, light emitting diode, EL sheet at least a.
The utility model provides a kind of display unit that comprises above-mentioned backlight simultaneously.
Beneficial effect:
In the backboard of backlight described in the utility model, only need pull down the operation that central part can be changed light source, compare with the backboard of employing integral structure in the prior art backlight, miscellaneous part can not be damaged to backlight when changing light source in, the blooming piece of cracky for example, and the speed of changing light source is faster, more save time, and correspondingly reduced cost of labor.
Description of drawings
Fig. 1 is the structural representation of backlight in prior art;
Fig. 2 is the structural representation of the utility model embodiment 2 dorsulums;
Fig. 3 is the structural representation of backlight in the utility model embodiment 4.
In figure: the 1-light source; The 2-backboard; 2a-surrounding section; The 2b-central part; The 3-reflector plate; The 4-diffuser plate; The 5-blooming piece; The 6-display floater; Chase before 7-; The 8-plastic frame.
The specific embodiment
For making those skilled in the art understand better the technical solution of the utility model, below in conjunction with the backboard of drawings and Examples to the utility model backlight, comprise the backlight of described backboard and comprise that the display unit of described backlight is described in further detail.
Embodiment 1:
The present embodiment provides a kind of backboard of backlight, and it comprises central part and surrounding section, and described central part is used for the carrying light source, and described surrounding section is arranged on the periphery of described central part, and described central part removably is connected with described surrounding section.
The backboard of the backlight of this kind structure is conducive to the replacing of light source: when needs are changed light source, only need the central part of backboard is pulled down, the light source of central part carrying can be pulled down and changed.
Need to prove, the size and dimension of described central part is not all limit, in the time of only need satisfying described central part and pull down from backboard, the light source of described central part carrying also can be pulled down and get final product, can only comprise as central part the part that is used for the carrying light source on base plate, the also extensible edge-on wall that comprises the base plate surrounding, this moment, correspondingly the position at the place that removably connects was also thereupon different.
Embodiment 2:
As shown in Figure 2, in the present embodiment, described backboard 2 comprises central part 2b, the surrounding 2a of section and the structure that removably connects, the described surrounding 2a of section is arranged on the periphery of central part 2b, described central part 2b is used for carrying light source 1, and described central part 2b removably is connected with the surrounding 2a of section by the described structure that removably connects.
Alternatively, the described structure that removably connects comprises at least a in bolt, double-screw bolt, screw, buckle notch, and certain described bolt and double-screw bolt all need be used in conjunction with nut.Described buckle notch comprises: be arranged on one or more buckles and/or one or more draw-in groove on the edge adjacent with central part 2b of the described surrounding 2a of section, and be arranged on one or more buckles and/or one or more draw-in groove at least one edge of described central part 2b, wherein buckle is connected that with draw-in groove the surrounding 2a of section removably is connected with the edge of central part 2b, or the edge between a plurality of central part 2b is removably connected.
For guaranteeing that central part 2b can be fixed on the surrounding 2a of section better, the described structure that removably connects adopts four at least, and the quantity of the described structure that removably connects increases with the increase of backlight size.For example, when the screen size of the applied display unit of described backlight more than 14 cun, described central part 2b is rectangle, and when the described structure that removably connects adopts the buckle notch, described buckle and corresponding draw-in groove thereof adopt 10 pairs at least, wherein on the edge of at least 6 pairs of edges that are separately positioned on central part 2b two long limits and corresponding surrounding section inboard, on the edge of at least 4 pairs of edges that are separately positioned on central part 2b two minor faces and corresponding surrounding section inboard.
As shown in Figure 2, the base plate under described backboard 2 also can be divided into according to shape, the edge-on wall of surrounding that is connected with described base plate one, and the display floater side frame that is connected and is fixedly connected with display floater with the edge-on wall top edge of described surrounding.Wherein, described central part 2b comprises described base plate, and the described surrounding 2a of section comprises the edge-on wall of described surrounding and described display floater side frame; Perhaps, described central part 2b comprises described base plate and the edge-on wall of described surrounding, and the described surrounding 2a of section comprises described display floater side frame.
Other structures in the present embodiment and effect are all identical with embodiment 1, repeat no more here.
Embodiment 3:
The difference of the present embodiment and embodiment 2 is:
Described central part 2b is a plurality of, the described structure that removably connects is a plurality of, the described surrounding 2a of section is arranged on the periphery of all central part 2b, removably be connected by the structure that removably connects between the described surrounding 2a of section and the central part 2b adjacent with it, removably connect by the structure that removably connects between described a plurality of central part 2b.
Other structures in the present embodiment and effect are all identical with embodiment 2, repeat no more here.
Embodiment 4:
As shown in Figure 3, the present embodiment provides a kind of backlight, and described backlight is direct-light-type backlight, and it comprises light source 1, backboard 2, reflector plate 3, diffuser plate 4, blooming piece 5 and plastic frame 8.Wherein, described backboard 2 adopts arbitrary described backboard in embodiment 1 ~ 3.
Described light source 1 and reflector plate 3 are arranged on backboard 2, and described diffuser plate 4 is arranged on reflector plate 3, and described blooming piece 5 is arranged on diffuser plate 4, and described plastic frame 8 is arranged on the edge of blooming piece 5 surroundings and is fixed on the edge of backboard 2 surroundings.Wherein the effect of reflector plate 3, diffuser plate 4, blooming piece 5 be to the light that light source sends reflect, the processing such as diffusion makes in its display floater that evenly enters to inject the backlight top, plastic frame is used for backboard 2 and reflector plate 3, diffuser plate 4, blooming piece 5 are fixed.
Described light source can adopt in cathode fluorescent tube (CCFL, Cold Cathode Fluorescent Lamp), light emitting diode (LED, Light Emitting Diode) or EL sheet (EL, electrolliminescent) at least a.
described light source 1 adopts one or more, and each light source 1 all is arranged on a central part 2b in backboard 2, when described light source 1 adopts LED light source, be provided with one or more through holes on described reflector plate 3, the quantity of described through hole is identical and corresponding one by one with light source 1 with the quantity of light source 1, the area of described through hole is more than or equal to the area of the cross section of corresponding light source 1, so that described light source 1 and reflector plate 3 are when all being placed on backboard 2, expose can be from reflector plate 3 the corresponding through hole in the top of light source 1 (being the illuminating part of light source), and then can not be incident upon in diffuser plate 4 through reentering after the reflection of reflector plate 3 directly into the part that is incident upon diffuser plate 4 in the light that makes light source 1 launch, thereby improved the brightness of backlight.
Described diffuser plate 4 is used for the light that light source 1 is launched and the light that reflects through reflector plate 3 spread equably, can play and widen the visual angle and make the soft effect of light.
Described blooming piece 5 comprises at least a in prismatic lens, diffusion sheet, screening glass, and described prismatic lens, diffusion sheet, screening glass are respectively one deck at least.Described prismatic lens has the effect that the light with diffuser plate 4 diffusion converges in certain angle, to improve the brightness of backlight; Described diffusion sheet is identical with the effect of diffuser plate 4, with the uniformity of raising backlight, and plays the effect of covering lamp shadow; Described screening glass is arranged on the outermost of prismatic lens and diffusion sheet, and is injury-free with protection prismatic lens and diffusion sheet.Those skilled in the art can configure relative position and the number of plies of prismatic lens in blooming piece, diffusion sheet and screening glass according to the actual requirements.
The present embodiment also provides a kind of display unit that comprises above-mentioned backlight.Described display unit can be any product or parts with Presentation Function such as liquid crystal panel, Electronic Paper, oled panel, mobile phone, panel computer, television set, display, notebook computer, DPF, navigator.
Be understandable that, above embodiment is only the illustrative embodiments that adopts for principle of the present utility model is described, yet the utility model is not limited to this.For those skilled in the art, in the situation that do not break away from spirit of the present utility model and essence, can make various modification and improvement, these modification and improvement also are considered as protection domain of the present utility model.
Claims (10)
1. the backboard of a backlight comprises central part and surrounding section, and described central part is used for the carrying light source, and described surrounding section is arranged on the periphery of described central part, it is characterized in that, described central part removably is connected with described surrounding section.
2. backboard according to claim 1, it is characterized in that, described central part is a plurality of, and described surrounding section is arranged on the periphery of all central parts, described surrounding section removably is connected with the central part adjacent with it, removably connects between described a plurality of central parts.
3. backboard according to claim 1, is characterized in that, described backboard also comprises the structure that removably connects, and described central part removably is connected with surrounding section by the described structure that removably connects.
4. backboard according to claim 2, is characterized in that, described backboard comprises a plurality of structures that removably connect, between described surrounding section and the central part adjacent with it, all removably be connected by the structure that removably connects between a plurality of central part.
5. according to claim 3 or 4 described backboards, is characterized in that, the described structure that removably connects comprises at least a in bolt, double-screw bolt, screw, buckle notch.
6. backboard according to claim 5, is characterized in that, described buckle notch comprises:
Be arranged on one or more buckles and/or one or more draw-in groove on the edge adjacent with central part of described surrounding section, and be arranged on one or more buckles and/or one or more draw-in groove at least one edge of described central part, wherein buckle is connected that with draw-in groove surrounding section removably is connected with the edge of central part, or the edge between a plurality of central parts is removably connected.
7. backboard according to claim 1, it is characterized in that, described backlight is direct-light-type backlight, base plate under described backboard comprises, with the edge-on wall of surrounding of the side edge of described base plate, and the display floater side frame that joins and be fixedly connected with display floater with the edge-on wall top edge of described surrounding, wherein:
Described central part comprises described base plate, and described surrounding section comprises the edge-on wall of described surrounding and described display floater side frame; Perhaps,
Described central part comprises described base plate and the edge-on wall of described surrounding, and described surrounding section comprises described display floater side frame.
8. a backlight, is characterized in that, comprises one or more light sources, and backboard as described in any one in claim 1 ~ 7.
9. backlight according to claim 8, is characterized in that, described light source adopts in cathode fluorescent tube, light emitting diode, EL sheet at least a.
10. a display unit, comprise backlight as claimed in claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474388.5U CN202972966U (en) | 2012-09-17 | 2012-09-17 | Back plate of backlight source, backlight source and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220474388.5U CN202972966U (en) | 2012-09-17 | 2012-09-17 | Back plate of backlight source, backlight source and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202972966U true CN202972966U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220474388.5U Expired - Lifetime CN202972966U (en) | 2012-09-17 | 2012-09-17 | Back plate of backlight source, backlight source and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202972966U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914910A (en) * | 2012-11-16 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal module using direct-type backlight and liquid crystal display |
| CN104534351A (en) * | 2014-12-11 | 2015-04-22 | 青岛海信电器股份有限公司 | Backlight module and display device |
| WO2018077221A1 (en) * | 2016-10-28 | 2018-05-03 | 京东方科技集团股份有限公司 | Display module and display device |
-
2012
- 2012-09-17 CN CN201220474388.5U patent/CN202972966U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914910A (en) * | 2012-11-16 | 2013-02-06 | 深圳市华星光电技术有限公司 | Liquid crystal module using direct-type backlight and liquid crystal display |
| WO2014075357A1 (en) * | 2012-11-16 | 2014-05-22 | 深圳市华星光电技术有限公司 | Liquid crystal module using direct-type backlight, and liquid crystal display |
| CN104534351A (en) * | 2014-12-11 | 2015-04-22 | 青岛海信电器股份有限公司 | Backlight module and display device |
| WO2018077221A1 (en) * | 2016-10-28 | 2018-05-03 | 京东方科技集团股份有限公司 | Display module and display device |
| US10782546B2 (en) | 2016-10-28 | 2020-09-22 | Boe Technology Group Co., Ltd. | Display module and display device |
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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: 20130605 |