CN203478029U - Backlight module, display device and television set - Google Patents
Backlight module, display device and television set Download PDFInfo
- Publication number
- CN203478029U CN203478029U CN201320611016.7U CN201320611016U CN203478029U CN 203478029 U CN203478029 U CN 203478029U CN 201320611016 U CN201320611016 U CN 201320611016U CN 203478029 U CN203478029 U CN 203478029U
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- backlight module
- hangers
- visual field
- light
- diaphragm
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Abstract
The utility model discloses a backlight module. The backlight module is of a membrane upwards-arranged structure and at least comprises a rubber frame and a membrane layer. Protrusions are arranged on the rubber frame, and the membrane layer is formed by stacking of a plurality of layers of membranes and arranged on the rubber frame. The membranes are all provided with hanging lugs at the same positions, and hanging holes are formed in the hanging lugs and are hung on the protrusions. The membrane layer comprises a visible region and a non-visible region, the hanging lugs are located in the non-visible region, and the surface of one side, towards the visible region, of each protrusion is a curved surface. The utility model further discloses a display device including the backlight module and a television set. Obvious shadows at the hanging lug positions can be lightened.
Description
Technical field
The utility model relates to demonstration field, particularly relates to the backlight module of interposed structure on a kind of diaphragm and display unit, television set.
Background technology
Along with socioeconomic development, in electronic equipment, widely apply liquid crystal display (Liquid Crystal Display) panel.Because LCD panel itself does not have luminous function, thus a backlight module must be set below display panels, to provide liquid crystal panel required area source.Backlight module is one of most important parts in liquid crystal display, directly affects the quality of liquid crystal pictorial display.The main composition parts of backlight module comprise light source, LGP etc.Need to lay several layers of optical thin film on LGP, as diffusion sheet, brightening piece, prismatic lens etc., to improve optical effect simultaneously.The light that backlight sends penetrates through LGP, enters blooming piece, and the improvement through blooming piece to light, finally projects on liquid crystal panel.
In existing backlight module, conventionally adopt interposed structure on diaphragm.On so-called diaphragm, be placed in formula backlight module, refer to, described backlight module comprises glue frame, described glue frame is arranged on the backboard of backlight module conventionally, and between between described LGP or diffuser plate, be separated with glue frame on the exiting surface of light being done to LGP that equal light processes or diffuser plate, be provided with blooming piece, but described blooming piece is placed on glue frame,, described glue frame for LGP described in pressing or diffuser plate, and carry described blooming piece and liquid crystal panel.
As shown in Figure 1, backlight module comprises Multilayer Film 101 and glue frame 102, Multilayer Film 101 is generally fixed on above glue frame 102, described Multilayer Film 101 is all provided with hangers 103, on hangers 103, be provided with hanging hole 104, on glue frame, be fixed with projection 105, hanging hole 104 hangs in projection 105 simultaneously, thereby realizes the location to diaphragm.
Concrete, as shown in Figure 2, described is supporting part 102B and sidepiece 102A for carrying the position contacting with diaphragm of the glue frame of described blooming piece, described supporting part 102B is used for carrying light film membrane layer, blooming lamella is divided into visual field 101A and non-visible district 102B, and described visual field is positioned at the middle part of described blooming piece, and the light that backlight sends can therefrom appear, and inject liquid crystal panel, be human eye finding.The light in non-visible district is often most of to be blocked by the face frame of liquid crystal module or the fore shell of display unit, and non-visible district is positioned at the surrounding of diaphragm.Concrete, supporting part 102B and the part in non-visible district that is positioned at the bottom diaphragm of blooming lamella contact.
The supporting part of the more described supporting part 102B of described sidepiece 101A glue frame is slightly high, is positioned at the periphery of described blooming lamella.
Blooming piece is provided with hangers 105, and described hangers is positioned at non-visible district, and the main body of outstanding and described blooming piece, on described hangers, is provided with hanging hole.The sidepiece 102A of described glue frame is provided with groove 102C in the corresponding position of hangers, and described hangers can be placed in described groove, is provided with projection 105 in groove simultaneously, and the hanging hole in described hangers hangs in described projection, has realized the location to diaphragm.
But in the process of present inventor's invention technical scheme in realizing the embodiment of the present application, find that above-mentioned technology at least exists following technical problem:
As shown in Figure 3, because the light from LGP outgoing is not that whole vertical sand shootings enter blooming piece, the larger light of a part of incident angle wherein, in diaphragm process, light is by optically denser medium to optically thinner medium, and wherein a part of light can reflect, incidence angle is greater than in the situation of the angle of total reflection, light can not penetrate diaphragm, and in the inner generation of diaphragm total reflection, these light finally penetrate from diaphragm side.As shown in Figure 2, wherein the light of these ejaculations some by the sidepiece of glue frame, again reflected and enter diaphragm.Because hangers position is arranged in groove 105C, and given prominence to the main body of described blooming piece, cause corresponding visibility region from corresponding glue frame sidepiece away from, or corresponding position lacks slightly high sidepiece, the reflex that there is no glue frame sidepiece, light losing is serious, causes the appearance shadow on visual field corresponding to hangers position.As shown in Figure 2, in shown traditional diaphragm location structure, having protruding position, light is through projection reflection, and a part of light is injected in blooming piece again, thereby produces a speck in the centre position of hangers shadow.Thereby cause the brightness on visual field corresponding to hangers position extremely inhomogeneous, finally can affect the brightness of display unit corresponding site and inhomogeneous, affected viewing effect.
Summary of the invention
The embodiment of the present application is by providing a kind of backlight module of diaphragm overhead, alleviated the brightness extremely inhomogeneous problem of the image on display screen corresponding to hangers position in prior art, realize the distributing comparatively uniformly of brightness of the image on display screen corresponding to hangers position, improved user's experience.
The embodiment of the present application provides a kind of backlight module, at least comprise glue frame and membrane layer, on described glue frame, be provided with projection, described membrane layer is superposeed by Multilayer Film, be arranged on described glue frame, described Multilayer Film is all provided with hangers in same position, on described hangers, be provided with hanging hole, described hanging hole hangs in described projection, described membrane layer comprises visual field and non-visible district, described hangers is positioned at described non-visible district, it is characterized in that, described crowning is curved surface to a side surface of described visual field.
Concrete, described curved surface is folding face or arc surface.
Preferably, described curved surface is folding face, and described folding face comprises two faces, and the angle of described two faces is that 120 degree are to 160 degree.
Preferably, described curved surface is arc surface, and the radian of described arc surface is that 30 degree are to 90 degree.
Preferably, described crowning is burnishing surface to a side surface of described visual field.
Preferably, described crowning is provided with reflector layer to a side surface of described visual field.
The embodiment of the present application also provides a kind of display unit, comprises above-mentioned backlight module.
The embodiment of the present application also provides a kind of television set, comprises above-mentioned backlight module.
The one or more technical schemes that provide in the embodiment of the present application, at least have following technique effect or advantage:
In the embodiment of the present application, arrange on a glue frame projection on, a side towards the visual field of described diaphragm is curved surface, the light being irradiated on described curved surface can reflect, reenter diaphragm, for described curved surface, no matter there is mirror-reflection or diffuse reflection in it, its to the intensity distribution that is reflected in all directions that is irradiated to the light on it with its surface towards being associated.By the setting of curved surface, can guarantee, catoptrical intensity is disperseed in more direction, thereby alleviated on the one hand in prior art reflection ray undue concentration in the problem of the visual field in the place ahead, projection center, simultaneously, to the light of different direction reflections, can compensate the light losing of the visual field in other the place aheads, position of hangers, improved its brightness.So weakened in general, Luminance Distribution extremely inhomogeneous speck or the shadow problem of viewing area corresponding to hangers position.
Accompanying drawing explanation
The schematic diagram of diaphragm overhead backlight module in Fig. 1 prior art.
The light path schematic diagram of the concrete film fixing structure of diaphragm overhead backlight module in Fig. 2 prior art.
Light path schematic diagram in Fig. 3 diaphragm.
The schematic diagram of Fig. 4 embodiment mono-protrusions shape.
The schematic diagram of Fig. 5 embodiment bis-protrusions shapes.
The specific embodiment
For making those skilled in the art can further understand the present invention; below spy enumerates preferred embodiment of the present invention; and coordinate appended graphic, the effect that describes constitution content of the present invention in detail and want to reach, but appended graphic not in order to limit claim protection domain of the present invention.
Embodiment mono-
The present embodiment provides a kind of diaphragm overhead backlight module, on so-called diaphragm, be placed in formula backlight module, refer to, described backlight module comprises glue frame, described glue frame is arranged on the backboard of backlight module conventionally, on the exiting surface of light being done to LGP that equal light processes or diffuser plate, be provided with blooming piece, but described blooming piece is placed on glue frame, and between between described LGP or diffuser plate, be separated with glue frame, described glue frame for LGP described in pressing or diffuser plate, and carry described blooming piece.
Concrete, described is supporting part and sidepiece for carrying the position contacting with diaphragm of the glue frame of described blooming piece, described supporting part is used for carrying light film membrane layer, blooming lamella is divided into visual field and non-visible district, described visual field is positioned at the middle part of described blooming piece, the light that backlight sends appears in can rushing, and injects liquid crystal panel, is human eye finding.The light in non-visible district is often most of to be blocked by the face frame of liquid crystal module or the fore shell of display unit, and non-visible district is positioned at the surrounding of diaphragm.Concrete, supporting part contacts with a part that is positioned at the non-visible district of bottom diaphragm of blooming lamella.
The more described supporting part of described sidepiece is higher, is positioned at the periphery of described blooming lamella.
Blooming piece is provided with hangers, and described hangers is positioned at non-visible district, and the main body of outstanding and described blooming piece, on described hangers, is provided with hanging hole.The sidepiece of described glue frame is provided with groove in the corresponding position of hangers, and described hangers can be placed in described groove, is provided with projection in groove simultaneously, and the extension sky in described hangers hangs in described projection, has realized the location to diaphragm.
It is emphasized that especially in the present embodiment, the shape of described projection has special requirement, described crowning is curved surface to a side surface of described visual field.The light being irradiated on described curved surface can reflect, and reenters diaphragm, and for described curved surface, no matter mirror-reflection or diffuse reflection occur for it, its to the intensity distribution that is reflected in all directions that is irradiated to the light on it with its surface towards being associated.By the setting of curved surface, can guarantee, catoptrical intensity is disperseed in more direction, thereby alleviated on the one hand in prior art reflection ray undue concentration in the problem of the visual field in the place ahead, projection center, simultaneously, to the light of different direction reflections, can compensate the light losing of the visual field in other the place aheads, position of hangers, improved its brightness.So weakened in general, Luminance Distribution extremely inhomogeneous speck or the shadow problem of viewing area corresponding to hangers position.
Concrete, as shown in Figure 4, projection 105 one sides towards diaphragm visual field are folding face, described folding face comprises two face 105S1 and 105S2, two faces have certain angle, thereby the distribution of the intensity of light that has guaranteed two face reflections in direction is different, and then light that can even described diaphragm hangers position visual field.
Preferably, the angle of described two faces is that 120 degree are to 160 degree, (described viewpoint definition is got the value that is less than 180 degree) guaranteeing that two masks have less knuckle, be in the more uniform situation of distribution of light, consider protruding size, be difficult for arranging excessive, guarantee that projection has certain width, angle too small, can cause projection excessive towards the extension of diaphragm visual field, affects light path.
Certainly, corresponding, corresponding hanging hole is set on hangers, guarantee hangers and protruding cooperation location.
Certainly, the folding face in Fig. 4 is provided with the folding face that two faces form, and in fact, those skilled in the art can be suitable, the folding face that more face forms is set, the use that embodiment and accompanying drawing do not limit.Two faces are preferably set, and are for the ease of design and installation.
Preferably, on described folding face, do polishing, form burnishing surface, further increase catoptrical intensity.
The techniques such as preferably, be provided with reflective surface on described folding face, described light-emitting area can be high reflecting coating, and also reflector plate, can adopt laminating, gluing, do not limit again.Or described projection is directly made with high reflecting material.Further increase catoptrical intensity.
Embodiment bis-
The structure of the present embodiment and embodiment is basic identical, does not do too much description, and its difference is:
Concrete, as shown in Figure 5, projection 105 one sides towards diaphragm visual field are cambered surface, thereby described cambered surface has guaranteed intensity the distributing comparatively uniformly in all directions of the light of reflection, and then light that can visual field, even described diaphragm hangers position.
Preferably, described cambered surface is arc surface, the radian of described arc surface is that 30 degree are to 90 degree, guaranteeing, be in the more uniform situation of distribution of light, consider protruding size, be difficult for arranging excessive, guarantee that projection has certain width, angle is excessive, can cause projection excessive towards the extension of diaphragm visual field, affects light path.
Certainly, corresponding, corresponding hanging hole is set on hangers, guarantee hangers and protruding cooperation location.
Certainly, in Fig. 5 is arc surface, and in fact, those skilled in the art can be arranged to other cambered surfaces such as oval cambered surface, the use that embodiment and accompanying drawing do not limit.
Preferably, on described folding face, do polishing, form burnishing surface, further increase catoptrical intensity.
The techniques such as preferably, be provided with reflective surface on described folding face, described light-emitting area can be high reflecting coating, and also reflector plate, can adopt laminating, gluing, do not limit again.Or described projection is directly made with high reflecting material.Further increase catoptrical intensity.
Embodiment tri-
The present embodiment provides a kind of display unit (not shown), and this display unit can be television set etc., is provided with the backlight module in embodiment mono-and embodiment bis-.
The utility model provides display unit to have the above-mentioned all advantages of mentioning, do not repeat them here, but its application all should be within protection domain of the present utility model.
It should be noted that, the display device applications that also the utility model can be provided, on other display equipment, such as computer display etc., do not repeat them here, but its application all should be within protection domain of the present utility model.
In description of the present utility model, term " first ", " second " be the object for describing only, and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited.
In description of the present utility model, the terms such as term " installation ", " connection " all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. the backlight module of interposed structure on a diaphragm, at least comprise glue frame and membrane layer, on described glue frame, be provided with projection, described membrane layer is superposeed by Multilayer Film, be arranged on described glue frame, described Multilayer Film is all provided with hangers in same position, on described hangers, is provided with hanging hole, and described hanging hole hangs in described projection, described membrane layer comprises visual field and non-visible district, described hangers is positioned at described non-visible district, it is characterized in that, described crowning is curved surface to a side surface of described visual field.
2. backlight module as claimed in claim 1, is characterized in that, described curved surface is folding face.
3. backlight module as claimed in claim 1, is characterized in that, described curved surface is cambered surface.
4. backlight module as claimed in claim 2, is characterized in that, described folding face comprises two faces, and the angle of described two faces is that 120 degree are to 160 degree.
5. backlight module as claimed in claim 3, is characterized in that, described cambered surface is arc surface, and the radian of described arc surface is that 30 degree are to 90 degree.
6. backlight module as claimed in claim 1, is characterized in that, described crowning is burnishing surface to a side surface of described visual field.
7. backlight module as claimed in claim 1, is characterized in that, described crowning is provided with reflector layer to a side surface of described visual field.
8. a display unit, comprises the backlight module as described in claim 1 to 7.
9. a television set, comprises the backlight module as described in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611016.7U CN203478029U (en) | 2013-09-30 | 2013-09-30 | Backlight module, display device and television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320611016.7U CN203478029U (en) | 2013-09-30 | 2013-09-30 | Backlight module, display device and television set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203478029U true CN203478029U (en) | 2014-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320611016.7U Expired - Fee Related CN203478029U (en) | 2013-09-30 | 2013-09-30 | Backlight module, display device and television set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203478029U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566038A (en) * | 2015-01-15 | 2015-04-29 | 京东方光科技有限公司 | Backlight source and display device |
| CN105911751A (en) * | 2016-04-21 | 2016-08-31 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display equipment |
| CN109672835A (en) * | 2018-12-28 | 2019-04-23 | 深圳Tcl新技术有限公司 | Display module and television set |
-
2013
- 2013-09-30 CN CN201320611016.7U patent/CN203478029U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566038A (en) * | 2015-01-15 | 2015-04-29 | 京东方光科技有限公司 | Backlight source and display device |
| US10139553B2 (en) | 2015-01-15 | 2018-11-27 | Boe Technology Group Co., Ltd. | Backlight module and display device |
| CN105911751A (en) * | 2016-04-21 | 2016-08-31 | 青岛海信电器股份有限公司 | Backlight module and liquid crystal display equipment |
| CN109672835A (en) * | 2018-12-28 | 2019-04-23 | 深圳Tcl新技术有限公司 | Display module and television set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140312 Termination date: 20190930 |
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| CF01 | Termination of patent right due to non-payment of annual fee |