CN203718536U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN203718536U CN203718536U CN201420055816.XU CN201420055816U CN203718536U CN 203718536 U CN203718536 U CN 203718536U CN 201420055816 U CN201420055816 U CN 201420055816U CN 203718536 U CN203718536 U CN 203718536U
- Authority
- CN
- China
- Prior art keywords
- lgp
- backlight module
- light
- reflecting part
- light source
- 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
Links
- 238000007598 dipping method Methods 0.000 claims description 26
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000004973 liquid crystal related substance Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
Abstract
The utility model provides a backlight module and a display device and relates to the technical field of display. Light rays emitted from the backlight module are prevented from being transmitted through a gap between a light guide plate and a frame body, and the light leaking phenomenon is avoided. The backlight module comprises the light guide plate and a light source arranged at the surface of the side wall of the light guide plate; a reflection part is arranged at the part close to the surface of the side wall, not provided with the light source, of the light guide plate, and light rays emitted from the light guide plate can be reflected to a light emergent area of the backlight module by the reflection part.
Description
Technical field
The utility model relates to Display Technique field, relates in particular to a kind of backlight module and display unit.
Background technology
LCD(Liquid Crystal Display, liquid crystal display), as a kind of panel display apparatus, because it has the features such as little, low in energy consumption, the radiationless and cost of manufacture of volume is relatively low, and be applied to more and more in the middle of high-performance demonstration field.Yet LCD is a kind of passive luminescent device, needs BLU(Backlight Unite, backlight module) to liquid crystal display, provide light source to make it show image.
In prior art, as shown in Figure 1, when the medium and small backlight module of design side entering type, because LGP 10 is very thin, therefore cannot attach lateral reflection sheet at the side of LGP 10.So; conventionally can adopt highly reflective material to make the framework 11 that is positioned at LGP 10 surroundings; the light that thereby LGP 10 sides can be launched reflects light by the reflecting surface A-A ' of the framework 11 near these LGP 10 sides; so that the light of reflection can be utilized again, thus the utilization rate of raising backlight module light source.
Yet, in above-mentioned back light module unit structure, owing to there being reserved expansion clearance 12 between framework 11 and LGP 10, therefore the light that LGP 10 sides are launched, after the reflecting surface A-A ' reflection of framework 11, understands that some reflection ray exposes to viewing area in addition by above-mentioned gap 12 or on prism 13.So, the generation of light leakage phenomena be can cause, thereby display effect and the quality of display device reduced.
Utility model content
Embodiment of the present utility model provides a kind of backlight module and display unit, can avoid the light sending due to backlight module from the gap between LGP and framework, to see through the light leakage phenomena producing.
For achieving the above object, embodiment of the present utility model adopts following technical scheme:
Side's fermentation of the present utility model, a kind of backlight module is provided, the light source that comprises LGP and be arranged at the sidewall surfaces of at least one side of described LGP, has light reflection for described LGP is sent to the reflecting part in described backlight module bright dipping region in the sidewall surfaces that described light source is not set near described LGP.
At described reflecting part, near the surface of described LGP sidewall, be provided with reflective coating.
Described reflecting part is plane near the surface of described LGP sidewall, or, inclined plane, or, arc surface.
Described backlight module also comprises:
Be positioned at the framework of described LGP surrounding;
Described reflecting part and described framework are structure as a whole.
Described backlight module also comprises:
Be arranged in parallel with described LGP and be positioned at the diffuser plate of described LGP bright dipping side surface;
Described diffuser plate covers described LGP and described reflecting part, so that the light of the light that described LGP sends or the reflection of described reflecting part is all received by described diffuser plate.
On the surface away from described LGP bright dipping side, be provided with end reflector plate, described reflecting part is between described diffuser plate and reflector plate of the described end.
Described backlight module also comprises:
Be positioned at described diffuser plate away from least one prismatic lens of described LGP bright dipping side surface.
On the other hand of the present utility model, a kind of display unit is provided, comprise any one backlight module as above.
The utility model provides a kind of backlight module and display unit, the light source that wherein backlight module comprises LGP and is arranged at LGP sidewall surfaces, and in the sidewall surfaces that above-mentioned light source is not set near LGP, have reflecting part, the light reflection that LGP can be sent by this reflecting part is to this backlight module bright dipping region.So, can avoid the light of light source to penetrate beyond the bright dipping region of this backlight module, thereby can avoid backlight to see through and the phenomenon of generation light leak from the gap between LGP and framework.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of backlight module that Fig. 1 provides for prior art;
The structural representation of the another kind of backlight module that Fig. 2 provides for prior art;
A kind of back light module unit structure schematic diagram that Fig. 3 provides for the utility model embodiment;
The another kind of back light module unit structure schematic diagram that Fig. 4 provides for the utility model embodiment;
The another kind of back light module unit structure schematic diagram that Fig. 5 provides for the utility model embodiment;
Another back light module unit structure schematic diagram that Fig. 6 provides for the utility model embodiment;
Another back light module unit structure schematic diagram that Fig. 7 provides for the utility model embodiment.
Reference numeral:
10-LGP; 11-framework; 12-reserves expansion clearance; 13-prism; 14-light source; 15-reflecting part; 16-reflective coating; 17-diffuser plate; Reflector plate at the bottom of 18-; The reflecting surface of A-A '-framework; B-B '-LGP does not arrange the sidewall surfaces of light source; C-backlight module bright dipping region.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The utility model provides a kind of backlight module, as shown in Figure 2, and the light source 14 that comprises LGP 10 and be arranged at LGP 10 sidewall surfaces.
As shown in Figure 3, at the sidewall surfaces B-B ' that light source 14 is not set near LGP 10, there is light reflection for LGP 10 is sent to the reflecting part 15 in backlight module bright dipping region C.
It should be noted that, for side entrance back module, generally light source 14 is arranged at least one side near LGP 10, the point-like light that so can light source 14 be sent by LGP 10 (as: LED (Light Emitting Diode, light emitting diode) or wire light (as: CCFL (Cold Cathode Fluorescent Lamp, cathode fluorescent tube), through being atomized into uniform area source, then this area source is transferred to the display screen central authorities of display.
Adopt above-mentioned side entrance back module can reduce for example quantity of LED lamp of light source, and because the rear of display unit does not need to configure light source module, therefore can realize the ultrathin of display unit.Therefore, the sidewall that above-mentioned LGP 10 does not arrange light source 14 specifically refers to, as shown in Figure 2, is provided with light source 14 above LGP 10, and this LGP 10 LGP sidewall left and right and lower position does not arrange the sidewall of this light source 14 so.As shown in Figure 3, at the sidewall surfaces B-B ' that light source 14 is not set near LGP 10, be provided with reflecting part 15, so, can be so that the light that LGP 10 sends passes through after reflecting part 15 reflections, its emergent ray is still positioned at backlight module bright dipping region C.
Wherein, this backlight module bright dipping region C is to viewing area that should display unit.Therefore, by above-mentioned reflecting part 15, can avoid the light that light source sends to see through by the gap between LGP 10 and backlight module miscellaneous part, thereby produce the phenomenon of light leak, and then reduce the display effect of display device.
The utility model provides a kind of backlight module, the light source that this backlight module comprises LGP and is arranged at LGP sidewall surfaces, and in the sidewall surfaces that above-mentioned light source is not set near LGP, have reflecting part, the light reflection that LGP can be sent by this reflecting part is to this backlight module bright dipping region.So, can avoid the light of light source to penetrate beyond the bright dipping region of this backlight module, thereby can avoid backlight to see through and the phenomenon of generation light leak from the gap between LGP and framework.
Further, as shown in Figure 4, at reflecting part 15, near the surface of these LGP 10 sidewalls, reflective coating 16 can be set.Wherein, this reflective coating 16 can adopt the material of high reflectance to make.So, owing to making the material of this reflective coating 16, it is highly reflective material, whole or most of light that therefore LGP 10 can be irradiated to reflective coating 16 surfaces reflect, so that above-mentioned light can reflex in the bright dipping region of backlight module in C, thereby can avoid light leakage phenomena to produce.And, when reflecting part 15 can arrange reflective coating 16 near the surface of these LGP 10 sidewalls, can select the material of non-high reflectance to make reflecting part 15, thereby can reduce production costs.
Further, above-mentioned reflecting part 15 is the reflecting surface A of reflecting part 15 near the surface of LGP 10 sidewalls, and its shape can be plane as shown in Figure 4.
Again for example, as shown in Figure 5, reflecting part 15 is near the arc surface that is shaped as protrusion of LGP 10 sidewall surfaces, a kind of like this reflecting part 15 of shape, can, by incident light after its reflecting surface A reflection, make the state of above-mentioned incident ray in dispersing, thereby the light that light source 14 can be sent spread, make the brightness of backlight module more even, thereby promote the display effect of display device.
For example, as shown in Figure 6, reflecting part 15 is near the inclined plane that is shaped as of LGP 10 sidewall surfaces.
Below be only that the shape near LGP 10 sidewall surfaces is illustrated to reflecting part 15, other shape is given an example no longer one by one at this, but all should belong to protection domain of the present utility model.Therefore, those skilled in the art can according to be difficult to degree and other needs of production of production and processing, to reflecting part 15, the surperficial shape near LGP 10 sidewalls designs.
Further, as shown in Figure 7, above-mentioned backlight module can also comprise the framework 11 that is positioned at described LGP 10 surroundings.Wherein, reflecting part 15 can be structure as a whole with framework 11.So, can framework 11 and reflecting part 15 be made by the technique of producing once simultaneously, thereby can simplify manufacture craft.
Further, above-mentioned backlight module can comprise:
Be arranged in parallel with LGP 10 and be positioned at the diffuser plate 17 of LGP 10 bright dipping side surfaces.
This diffuser plate 17 covers LGP 10 and reflecting part 15, so that the light of the light that LGP 10 sends or reflecting part 15 reflections is all diffused plate 17, receives.Because diffuser plate 17 has good atomizing, can carry out atomization or diffusion to the light receiving, so, the light that can send light source 14 carries out homogenising processing, so that the brightness of backlight module is more even, avoid the local bright or excessively dark phenomenon of crossing, thereby promote the display effect of display device.
Further, on the surface away from LGP 10 bright dipping sides, be provided with end reflector plate 18.Due to, light source 14 send point-like or linear light source be incident to after LGP 10, by LGP 10 atomizations, form area source, by the surface away from LGP 10 bright dipping sides, be provided with end reflector plate 18, the reflection of the light direction of the area source that LGP 10 can be formed by end reflector plate 18 be afterwards all towards the bright dipping side of LGP 10, thereby can improve the utilization rate of light.
And preferred, reflecting part 15 is between diffuser plate 17 and end reflector plate 18.So, as shown in Figure 7, a part for reflecting part 15 can be positioned at the i.e. viewing area of this display unit of backlight module bright dipping region C, therefore can make the light that LGP 10 and end reflector plate 18 send all can reflect by reflecting part 15, and the above-mentioned light through reflecting part 15 reflections is all in backlight module bright dipping region C, can avoid like this light that light source sends to see through by the gap between LGP 10 and framework 11, thereby produce the phenomenon of light leak.
Further, backlight module can also comprise: be positioned at diffuser plate 17 away from least one prismatic lens 13 of LGP 10 bright dipping side surfaces.Because the light that can penetrate LGP 10 by diffuser plate 17 spreads and deflection, therefore need to adjust by the dispersion angle of 13 pairs of light of above-mentioned prismatic lens, thereby meet the needs that show.
The utility model embodiment provides a kind of display unit, comprises any one backlight module as above.The identical beneficial effect of backlight module providing with the utility model previous embodiment is provided, because backlight module has been described in detail in the aforementioned embodiment, repeats no more herein.
In the utility model embodiment, display unit specifically can comprise liquid crystal indicator, such as this display unit, can be any product or parts with Presentation Function such as liquid crystal display, LCD TV, DPF, mobile phone or panel computer.
The utility model provides a kind of display unit to comprise backlight module, the light source that this backlight module comprises LGP and is arranged at LGP sidewall surfaces, and in the sidewall surfaces that above-mentioned light source is not set near LGP, have reflecting part, the light reflection that LGP can be sent by this reflecting part is to this backlight module bright dipping region.So, can avoid the light of light source to penetrate beyond the bright dipping region of this backlight module, thereby can avoid backlight to see through and the phenomenon of generation light leak from the gap between LGP and framework.
The above; it is only the specific embodiment of the present utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (8)
1. a backlight module, the light source that comprises LGP and be arranged at described LGP sidewall surfaces, is characterized in that,
In the sidewall surfaces that described light source is not set near described LGP, there is light reflection for described LGP is sent to the reflecting part in described backlight module bright dipping region.
2. backlight module according to claim 1, is characterized in that, at described reflecting part, near the surface of described LGP sidewall, is provided with reflective coating.
3. backlight module according to claim 1 and 2, is characterized in that, described reflecting part is plane near the surface of described LGP sidewall, or, inclined plane, or, arc surface.
4. backlight module according to claim 3, is characterized in that, also comprises:
Be positioned at the framework of described LGP surrounding;
Described reflecting part and described framework are structure as a whole.
5. backlight module according to claim 3, is characterized in that, also comprises:
Be arranged in parallel with described LGP and be positioned at the diffuser plate of described LGP bright dipping side surface;
Described diffuser plate covers described LGP and described reflecting part, so that the light of the light that described LGP sends or the reflection of described reflecting part is all received by described diffuser plate.
6. backlight module according to claim 5, is characterized in that, on the surface away from described LGP bright dipping side, is provided with end reflector plate, and described reflecting part is between described diffuser plate and reflector plate of the described end.
7. backlight module according to claim 6, is characterized in that, also comprises: be positioned at described diffuser plate away from least one prismatic lens of described LGP bright dipping side surface.
8. a display unit, is characterized in that, comprises the backlight module as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055816.XU CN203718536U (en) | 2014-01-28 | 2014-01-28 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055816.XU CN203718536U (en) | 2014-01-28 | 2014-01-28 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203718536U true CN203718536U (en) | 2014-07-16 |
Family
ID=51157683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055816.XU Expired - Lifetime CN203718536U (en) | 2014-01-28 | 2014-01-28 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203718536U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI699593B (en) * | 2019-04-11 | 2020-07-21 | 大陸商蘇州璨鴻光電有限公司 | Display apparatus |
| CN113129759A (en) * | 2021-04-28 | 2021-07-16 | 厦门天马微电子有限公司 | Display module assembly and display device |
-
2014
- 2014-01-28 CN CN201420055816.XU patent/CN203718536U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI699593B (en) * | 2019-04-11 | 2020-07-21 | 大陸商蘇州璨鴻光電有限公司 | Display apparatus |
| CN113129759A (en) * | 2021-04-28 | 2021-07-16 | 厦门天马微电子有限公司 | Display module assembly and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202629814U (en) | Lateral backlight module | |
| CN102705777B (en) | Secondary lens with bottom of curved surface structure | |
| CN102767762A (en) | Backlight module | |
| CN103032766A (en) | Backlight module and display device | |
| CN102748658A (en) | Backlight module and liquid crystal display device | |
| CN106019709A (en) | Liquid crystal module and liquid crystal display screen | |
| CN201583767U (en) | Direct type ultra-thin liquid crystal display device | |
| CN201218442Y (en) | Backlight module and LCD device containing the same | |
| CN201083928Y (en) | Backlight and its reflecting sheet | |
| US9588288B2 (en) | Backlight module and liquid crystal display device using same | |
| CN203718536U (en) | Backlight module and display device | |
| CN103925522A (en) | Backlight module and display device | |
| CN101701693A (en) | Light-emitting device | |
| CN109358451B (en) | Backlight module and display device thereof | |
| CN104834049A (en) | Backlight module and liquid crystal display device | |
| CN103953893A (en) | Dimming unit, backlight module and display device | |
| CN201007743Y (en) | Structure improvement of reflection plate | |
| CN202629915U (en) | Secondary lens with bottom surface in curved surface structure | |
| CN102588832B (en) | Backlight source module with light diffusion component | |
| CN101625105A (en) | Light guide column and mobile communication terminal with same | |
| CN203311025U (en) | A light guide plate, a backlight module group, and a display apparatus | |
| CN104459871A (en) | Light guide plate, backlight module and display device | |
| CN103399430B (en) | Backlight module and liquid crystal display | |
| CN104898197A (en) | Light guide plate, preparation method thereof, backlight module and display device | |
| CN204647994U (en) | Liquid crystal display laser backlight |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |
|
| CX01 | Expiry of patent term |