CN209373305U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN209373305U CN209373305U CN201920286392.0U CN201920286392U CN209373305U CN 209373305 U CN209373305 U CN 209373305U CN 201920286392 U CN201920286392 U CN 201920286392U CN 209373305 U CN209373305 U CN 209373305U
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- guide plate
- backlight module
- light guide
- substrate
- rubber belt
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Abstract
This disclosure relates to a kind of backlight module and display device.The backlight module includes: light guide plate；Light source, the light source includes substrate and luminescent device, the substrate-parallel is arranged in the light guide plate, the lower surface of the substrate is arranged in the luminescent device, one light-emitting surface of the luminescent device and a side of the light guide plate are opposite, and a part of the lower surface of the substrate is opposite with the upper surface of the light guide plate；First shading rubber belt, first shading rubber belt are arranged between the lower surface of the substrate and the upper surface of the light guide plate.By the way that shading rubber belt is arranged between light guide plate and the substrate of light source, the yellow light of light source sending can be effectively intercepted, improves the bad phenomenons such as display panel periphery jaundice, the display effect of display panel is improved, promotes display quality.
Description
Technical field
This disclosure relates to field of display technology more particularly to a kind of backlight module and display device.
Background technique
With the development of science and technology, demand of the people to mobile terminals such as mobile phone, tablet computers is more and more diversified, it is mobile whole
The narrow frame design at end has become the designer trends of current main-stream.
Backlight module is one of key part and component of liquid crystal display device, and function is to provide sufficient brightness and distribution
Even light source can normally show image.Backlight module is divided into straight-down negative and side entering type according to distribution of light sources position.Wherein,
Since the thickness of side entrance back module is smaller, to be conducive to reduce the thickness of whole display device, be conducive to display device
Ultrathin design.And the luminescent device of backlight module generally includes LED chip and the yellow fluorescence that is covered in LED chip
Powder excites yellow fluorescent powder by LED chip blue light-emitting, and attribute is exactly the intermediate position blue light-emitting of luminescent device, top and the bottom
Distribute yellow light.
In the related technology, the structure design of backlight module cannot effectively intercept the yellow light of luminescent device sending, cause to show
There are the bad phenomenons such as periphery jaundice in panel, influences the display effect of display panel, reduces display quality.
Utility model content
In view of this, the disclosure provides a kind of backlight module and display device, to solve deficiency in the related technology.
According to the first aspect of the embodiments of the present disclosure, a kind of backlight module is provided, comprising:
Light guide plate；
Light source, the light source include substrate and luminescent device, and the substrate-parallel is arranged in the light guide plate, described to shine
The lower surface of the substrate, a side phase of the light-emitting surface and the light guide plate of the luminescent device is arranged in device
Right, a part of the lower surface of the substrate is opposite with the upper surface of the light guide plate；
The lower surface of the substrate and the upper table of the light guide plate is arranged in first shading rubber belt, first shading rubber belt
Between face.
Optionally, it is provided in the substrate and is connected with the luminescent device, and the line for driving the luminescent device
Line structure.
Optionally, the backlight module further includes reflector plate, and the reflector plate is parallel with the light guide plate and is located at described
The downside of light guide plate.
Optionally, the luminescent device and the light guide plate are contacted with the upper surface of the reflector plate.
Optionally, the backlight module further includes backboard, for carrying the reflector plate, the light guide plate and the light
Source.
Optionally, the backlight module further include: diffusion sheet, the diffusion sheet is parallel with the light guide plate and is located at described
The upside of light guide plate；Prismatic lens, the prismatic lens are parallel with the diffusion sheet and are located at the upside of the diffusion sheet.
Optionally, the side close to the light source of the prismatic lens protrudes from the close light source of the diffusion sheet
Side, the backlight module further include the second shading rubber belt, and the lower surface of the prismatic lens is arranged in second shading rubber belt
Between the upper surface of the light guide plate, and between first shading rubber belt and the diffusion sheet.
Optionally, the backlight module further includes glue frame, and the glue frame is arranged on the backboard and surrounds the leaded light
Plate；Third shading rubber belt, one end of the substrate be supported on the light guide plate and by first shading rubber belt with it is described
Light guide plate is connected, and the other end of the substrate is supported in the glue frame and by the third shading rubber belt and the glue frame phase
Even.
Optionally, the backlight module further includes the 4th shading rubber belt, and one end of the 4th shading rubber belt is adhered to institute
The upper surface of prismatic lens is stated, the other end of the 4th shading rubber belt is adhered to the glue frame.
According to the second aspect of an embodiment of the present disclosure, a kind of display device is provided, including display panel and as described above
Backlight module, the backlight module are set to the non-displaying side of the display panel.
The technical scheme provided by this disclosed embodiment can include the following benefits: by light guide plate and light source
Shading rubber belt is set between substrate, can effectively intercept the yellow light of light source sending, it is bad existing to improve display panel periphery jaundice etc.
As improving the display effect of display panel, promoting display quality.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of structural schematic diagram of backlight module shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
The nouns of locality such as "upper", "lower" have been used in the disclosure, it should be noted that these nouns of locality use be only
Relative positional relationship between signified part or element for ease of description, rather than the part of indication or suggestion meaning or member
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to the disclosure.
The embodiment of the present disclosure provides a kind of backlight module as shown in Figure 1, and the backlight module to display panel for (not showing
Backlight is provided out), which is set to the non-displaying side of display panel.The backlight module includes backboard 10, light guide plate
30, reflector plate 20 and light source 60.Backboard 10 is for carrying light source 60, light guide plate 30 and reflector plate 20.Reflector plate 20 is held on back
Between plate 10 and light guide plate 30, the light that light source 60 issues is projected via light guide plate 30 and reflector plate 20.Wherein, light guide plate 30 is
Plate structure, at least one side of light guide plate 30 are the incidence surface of the light guide plate 30.
As shown in Figure 1, above-mentioned light source 60 includes substrate 61 and the luminescent device 62 being set on the substrate 61.Substrate 61
It is parallel to bottom plate, the route being connected with luminescent device 62 and for driving the luminescent device 62 can be set in substrate 61
Structure.Substrate 61 can be constituted using hard material, such as epoxy glass fiber.At this point, above-mentioned line construction can make this
In substrate 61.Alternatively, substrate 61 can be the flexible circuit board with above-mentioned line construction.
Luminescent device 62 is arranged on the lower surface of substrate 61, and a part of the lower surface of substrate 61 is upper with light guide plate 30
Surface is opposite.The incidence surface of the light-emitting surface and light guide plate 30 of luminescent device 62 is oppositely arranged, so that photophore
The light that part 62 issues can be incident to inside light guide plate 30 from the side of light guide plate 30, then pass through the net of 30 bottom of light guide plate
Point destroys total reflection of the light inside the light guide plate 30, so that some light inside the light guide plate 30 is by light guide plate
30 top outgoing.
Above-mentioned luminescent device 62 includes that the LED chip being set on substrate 61 and the yellow being covered in LED chip are glimmering
Light powder.
Wherein, the first shading rubber belt 81 is provided between the lower surface of substrate 61 and the upper surface of light guide plate 30, this first
Shading rubber belt 81 is used to fill the gap between the lower surface of substrate 61 and the upper surface of light guide plate 30, prevents luminescent device 62 from sending out
Yellow light out is leaked out from the gap, and display panel is avoided the bad phenomenons such as periphery jaundice occur.Specifically, the first shading rubber belt 81
It can be black shading rubber belt.
Above-mentioned reflector plate 20 can reflex to 60 emergent ray of light source in light guide plate 30, go out so as to improve light source 60
Penetrate the utilization rate of light.Luminescent device 62 and light guide plate 30 can be in contact with the upper surface of the reflector plate 20, by anti-
Piece 20 is penetrated to be supported luminescent device 62 and light guide plate 30.
In addition, in order to enable backlight module to provide the area source 60 of a high brightness, high uniformity to display panel.Such as
Shown in Fig. 1, which further includes some optical diaphragms, such as is sequentially located at the diffusion sheet that light guide plate 30 deviates from bottom plate side
40 and prismatic lens 50, diffusion sheet 40 be located at the upside of light guide plate 30, prismatic lens 50 are located at the upside of diffusion sheet 40.
Wherein, it is atomized by the light that setting diffusion sheet 40 can be emitted light guide plate 30, improves backlight module and go out
Penetrate the uniformity of light.Prismatic lens 50 can converge in a smaller range, by by the light of diffusion sheet 40 to reach
To brightening effect.
Prismatic lens 50 can protrude from the side that diffusion sheet 40 leans on close to sources 60 by the side of close to sources 60, in prismatic lens
Gap is formed between 50 marginal portion and the upper surface of light guide plate 30.Prismatic lens 50 marginal portion and light guide plate 30 it is upper
The second shading rubber belt 82 is provided between surface, the second shading rubber belt 82 is used to fill lower surface and the light guide plate 30 of prismatic lens 50
Upper surface between gap, prevent luminescent device 62 issue yellow light leaked out from the gap and pass through diffusion sheet 40 to upload
It passs, further avoids display panel and the bad phenomenons such as periphery jaundice occur.Specifically, the second shading rubber belt 82 can hide for black
Optical cement band.
In addition, the setting of glue frame 70 is being carried on the back as shown in Figure 1, backlight module further includes the glue frame 70 for carrying display panel
On plate 10 and surround light guide plate 30.One end of substrate 61 is supported on light guide plate 30 and by the first shading rubber belt 81 and light guide plate
30 are connected, and the other end of substrate 61 is supported in glue frame 70 and is connected by third shading rubber belt 83 with glue frame 70.By this
Light guide plate 30 can be fixed on glue frame 70 by mode, increase structural stability.
Display panel includes visible area and external zones.In order to prevent light source 60 issue light from correspond to external zones place
It projects, avoids generating light leakage phenomena, as shown in Figure 1, backlight module further includes the 4th shading rubber belt 84, the 4th shading rubber belt 84
One end is adhered to the upper surface of prismatic lens 50, and the other end is adhered to glue frame 70.Wherein, four sides of prismatic lens 50 can be respectively provided with
There is above-mentioned 4th shading rubber belt 84.
The embodiment of the present disclosure provides a kind of display device, which includes backlight module as described above.The display
Device further includes the display panel for being set to the backlight module light emission side.
It should be noted that in the disclosed embodiment, display device is specifically as follows mobile phone, liquid crystal display, liquid crystal electricity
Depending on any products or components having a display function such as, Digital Frame or tablet computers.
The embodiment of the present disclosure between light guide plate 30 and the substrate 61 of light source 60 by being arranged the first shading rubber belt 81, in rib
Second shading rubber belt 82 is set between eyeglass 50 and light guide plate 30, can effectively intercept the yellow light of the sending of light source 60, improves display
The bad phenomenons such as panel periphery jaundice improve the display effect of liquid crystal display panel, promote display quality.
Those skilled in the art will readily occur to other embodiment party of the disclosure after considering specification and practicing the disclosure
Case.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or adaptability
Variation follows the general principles of this disclosure and including the undocumented common knowledge or usual skill in the art of the disclosure
Art means.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following claim
It points out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (10)
1. a kind of backlight module characterized by comprising
Light guide plate (30)；
Light source (60), the light source (60) include substrate (61) and luminescent device (62), and the substrate (61) is parallel to described lead
Tabula rasa (30) setting, the luminescent device (62) setting is in the lower surface of the substrate (61), and the one of the luminescent device (62)
A light-emitting surface is opposite with a side of the light guide plate (30), a part of the lower surface of the substrate (61) and the leaded light
The upper surface of plate (30) is opposite；
First shading rubber belt (81), lower surface and the leaded light of the first shading rubber belt (81) setting in the substrate (61)
Between the upper surface of plate (30).
2. backlight module according to claim 1, which is characterized in that be provided with and the photophore in the substrate (61)
Part (62) is connected, and the line construction for driving the luminescent device (62).
3. backlight module according to claim 1, which is characterized in that the backlight module further include:
Reflector plate (20), the reflector plate (20) is parallel with the light guide plate (30) and is located at the downside of the light guide plate (30).
4. backlight module according to claim 3, which is characterized in that the luminescent device (62) and the light guide plate (30)
Contacted with the upper surface of the reflector plate (20).
5. backlight module according to claim 3, which is characterized in that the backlight module further include:
Backboard (10), for carrying the reflector plate (20), the light guide plate (30) and the light source (60).
6. backlight module according to claim 5, which is characterized in that the backlight module further include:
Diffusion sheet (40), the diffusion sheet (40) is parallel with the light guide plate (30) and is located at the upside of the light guide plate (30)；
Prismatic lens (50), the prismatic lens (50) are parallel with the diffusion sheet (40) and are located at the upside of the diffusion sheet (40).
7. backlight module according to claim 6, which is characterized in that the prismatic lens (50) are close to the light source (60)
Side protrudes from the side of the diffusion sheet (40) close to the light source (60), the backlight module further include:
Second shading rubber belt (82), second shading rubber belt (82) setting the prismatic lens (50) lower surface and described lead
Between the upper surface of tabula rasa (30), and between first shading rubber belt (81) and the diffusion sheet (40).
8. backlight module according to claim 6, which is characterized in that the backlight module further include:
Glue frame (70), the glue frame (70) are arranged on the backboard (10) and surround the light guide plate (30)；
Third shading rubber belt (83), one end of the substrate (61) are supported on the light guide plate (30) and hide by described first
Optical cement band (81) is connected with the light guide plate (30), and the other end of the substrate (61) is supported on the glue frame (70) and passes through
The third shading rubber belt (83) is connected with the glue frame (70).
9. backlight module according to claim 8, which is characterized in that the backlight module further include:
One end of 4th shading rubber belt (84), the 4th shading rubber belt (84) is adhered to the upper surface of the prismatic lens (50),
The other end of 4th shading rubber belt (84) is adhered to the glue frame (70).
10. a kind of display device, which is characterized in that including display panel and backlight mould of any of claims 1-9
Group, the backlight module are set to the non-displaying side of the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286392.0U CN209373305U (en) | 2019-03-06 | 2019-03-06 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920286392.0U CN209373305U (en) | 2019-03-06 | 2019-03-06 | Backlight module and display device |
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| Publication Number | Publication Date |
|---|---|
| CN209373305U true CN209373305U (en) | 2019-09-10 |
Family
ID=67823747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920286392.0U Active CN209373305U (en) | 2019-03-06 | 2019-03-06 | Backlight module and display device |
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| Country | Link |
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| CN (1) | CN209373305U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632797A (en) * | 2019-10-29 | 2019-12-31 | 维沃移动通信有限公司 | Backlight and electronic equipment |
| CN110646981A (en) * | 2019-09-30 | 2020-01-03 | 厦门天马微电子有限公司 | Display device |
| CN111273487A (en) * | 2020-03-26 | 2020-06-12 | 武汉华星光电技术有限公司 | Backlight module and display device |
-
2019
- 2019-03-06 CN CN201920286392.0U patent/CN209373305U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646981A (en) * | 2019-09-30 | 2020-01-03 | 厦门天马微电子有限公司 | Display device |
| CN110632797A (en) * | 2019-10-29 | 2019-12-31 | 维沃移动通信有限公司 | Backlight and electronic equipment |
| CN111273487A (en) * | 2020-03-26 | 2020-06-12 | 武汉华星光电技术有限公司 | Backlight module and display device |
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