CN205065450U - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
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- CN205065450U CN205065450U CN201520700658.3U CN201520700658U CN205065450U CN 205065450 U CN205065450 U CN 205065450U CN 201520700658 U CN201520700658 U CN 201520700658U CN 205065450 U CN205065450 U CN 205065450U
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- guide plate
- light guide
- frame
- backlight module
- light
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Abstract
The utility model relates to a display technical field discloses a backlight module and display device, can reduce the emergence of the distance light face bright line phenomenon of light guide plate, improves backlight unit's the efficiency of light energy utilization. Wherein backlight unit includes the backplate, is located reflector plate on the backplate, is located the light guide plate on the reflector plate and is located the gluey frame of the periphery of light guide plate, and glues the frame and include: with the frame of the peripheral one -to -one of light guide plate, the light guide plate includes: go into the plain noodles and with go into the relative distance light face in plain noodles, the distance light facial features of gluing frame and light guide plate includes the frame that sets up: first inclined plane, first inclined plane and distance light facial features are to just inclining to the distance light face. Above -mentioned backlight unit is through setting up first inclined plane on the frame that the distance light facial features is right gluing frame and light guide plate for following the light of the distance light face outgoing of light guide plate, shining first inclined plane back reflection and belong to the side to the backplate, the emergence of the frame back reflection of frame to the phenomenon of distance light face is glued from the smooth warp of the distance light face outgoing of light guide plate to the reduction.
Description
Technical field
The utility model relates to display technology field, particularly a kind of backlight module and display unit.
Background technology
Liquid crystal display has the advantages such as volume is little, low in energy consumption, radiation is low, has been widely used in the equipment such as computer monitor, notebook computer, mobile phone and LCD TV.Because the display floater of liquid crystal display itself is not luminous, therefore, for reaching display effect, backlight module is needed to provide light source for it, at present, the main composition assembly of backlight module comprises light-emitting component, reflector plate, light guide plate, optical film material, glue frame and backboard etc., wherein, the Main Function of light guide plate be the homogenizer that light-emitting component is sent boot up, its structure and material play a part very large to the final brightness of backlight module and uniformity; Glue frame other assemblies in order to connect or in the backlight module of location.
As shown in Figure 1, Fig. 1 is the structural representation of display unit of the prior art, display unit of the prior art mainly comprises: backboard 01, be positioned at the glue frame 02 of backboard 01, reflecting plate 03, light guide plate 04 and optical film material 05, display floater 06 etc., wherein: light guide plate 04 is arranged on the below of optical film material 05, light guide plate 04 comprises incidence surface and the distance light face 042 relative with incidence surface, glue frame 02 is arranged on the periphery of light guide plate 04, between the side 021 that the distance light face 042 of glue frame 02 and light guide plate 04 is oppositely arranged and the distance light face 042 of light guide plate 04, there is certain gap, this gap is to prevent optical film material 05 and glue frame 02 expanded by heating from interfering, as shown in Figure 2, Fig. 2 is that the light in display unit of the prior art relays schematic diagram, the light of light-emitting component enters light guide plate 04 from the incidence surface 041 of light guide plate 04, wherein, part light penetrates from light guide plate 04, after the side 021 that glue frame 02 and the distance light face 042 of light guide plate 04 are oppositely arranged is totally reflected, reflect to distance light face 042 again, and penetrate from the distance light face 042 of light guide plate 04, thus form a bright line in side, distance light face 042, and then it is bad to cause display unit to produce bright band etc., traditional solution carries out shading for using shading rubber belt, the fixation adhesive tape 07 arranged near distance light face 042 place by the bottom of light guide plate 04 adopts light screening material to make, thus avoid the generation of display unit bright line.
But, because the fixation adhesive tape of light screening material is generally black, the light be mapped on fixation adhesive tape can be absorbed, therefore adopt the fixation adhesive tape of light screening material can reduce the utilization rate of display unit to luminous energy.
Utility model content
The utility model provides a kind of backlight module and display unit, can reduce the generation of the distance light face bright line phenomenon of light guide plate, improves the efficiency of light energy utilization of backlight module, improves the display effect of display unit.
For achieving the above object, the utility model provides following technical scheme:
The utility model provides a kind of backlight module, comprise: backboard, the reflector plate be positioned on described backboard, be positioned at the light guide plate on described reflector plate and be positioned at the glue frame of periphery of described light guide plate, and described glue frame comprises: with the periphery frame one to one of described light guide plate, described light guide plate comprises: incidence surface and the distance light face relative with described incidence surface, the frame that the distance light face of described glue frame and described light guide plate is oppositely arranged comprises: the first inclined-plane, and described first inclined-plane is relative with described distance light face and to described distance light face tilt.
The backlight module that the utility model provides, by arranging the first inclined-plane on the frame that glue frame is relative with the distance light face of light guide plate, make the light of the distance light face outgoing from light guide plate, be irradiated to the first inclined-plane back reflection to side, backboard place, if the light of part reflection is directly from the gap injection backboard, part reflection ray is radiated on backboard or reflector plate, reflect to light guide plate through reflector plate or backboard, the exiting surface to light guide plate is spread behind the micro-structural site on light guide plate, and penetrate from the exiting surface of light guide plate, to reduce from the light of the distance light face outgoing of light guide plate through the frame back reflection of glue frame to the generation of the phenomenon in distance light face.
So the backlight module that the utility model provides, can reduce the generation of the distance light face bright line phenomenon of light guide plate, improve the efficiency of light energy utilization of backlight module, improve the display effect of display unit.
In some optional embodiments, the angle between described first inclined-plane and the exiting surface of described light guide plate is more than or equal to 60 degree and is less than 90 degree.
In some optional embodiments, the distance light face of described light guide plate is second inclined-plane identical with described first inclined-plane incline direction.Be convenient to light guide plate and glue frame cooperatively interacts.
In some optional embodiments, the gradient on described second inclined-plane is identical with the gradient on described first inclined-plane.
In some optional embodiments, the upper end of each frame of described glue frame forms the supporting surface for supporting display floater.Compared with glue frame of the prior art, dispense and blocked projection for spacing display floater in glue frame of the prior art, and then the width of glue frame can be reduced, and then the width of frame of display unit can be reduced, the thickness of display unit can be reduced simultaneously.
In some optional embodiments, each frame of described glue frame comprises: relative with the optical film material in described backlight module dodges face, described in dodge face vertical with the exiting surface of described light guide plate.The setting of dodging face is convenient to glue frame and is better coordinated with optical film material.
In some optional embodiments, described backboard is tabular.Compared with backboard of the prior art, eliminate the side frame in backboard of the prior art, further reduce the width of the frame of display unit, realize the narrow border effect of display unit.
In some optional embodiments, between the bottom of each frame of described backboard and described glue frame, be provided with fixing glue.Certainly, also can be connected by alternate manner between the bottom of each frame of backboard and glue frame, just not repeat one by one here.Above-mentioned fixing glue can be fixing adhesive tape or liquid glue.
The utility model additionally provides a kind of display unit, comprises display floater, also comprises: the backlight module described in above-mentioned any one, and described display floater is fixedly installed on the supporting surface of the glue frame of described backlight module.
Due to above-mentioned backlight module, the generation of the distance light face bright line phenomenon of light guide plate can be reduced, improve the efficiency of light energy utilization of backlight module, improve the display effect of display unit, therefore the display unit that the utility model provides, there is good display effect.
In some optional embodiments, the one side that described display floater deviates from described light guide plate is connected with described glue frame by fixing glue.
Accompanying drawing explanation
Fig. 1 is the part-structure schematic diagram of display unit of the prior art;
Fig. 2 is that the light in display unit of the prior art relays schematic diagram;
The part-structure schematic diagram of the first backlight module that Fig. 3 provides for the utility model embodiment;
Light transmition schematic diagram in the backlight module that Fig. 4 provides for the utility model embodiment;
The part-structure schematic diagram of the second backlight module that Fig. 5 provides for the utility model embodiment;
The part-structure schematic diagram of the third backlight module that Fig. 6 provides for the utility model embodiment;
The part-structure schematic diagram of the display unit that Fig. 7 provides for the utility model embodiment.
In figure:
01-backboard 02-glue frame
021-side 03-reflecting plate
04-light guide plate 041-incidence surface
042-distance light face 05-optical film material
06-display floater 07-fixation adhesive tape
1-backboard 2-reflector plate
3-light guide plate 31-incidence surface
32-distance light face 33-exiting surface
34-second inclined-plane 4-glue frame
41-frame 411-first inclined-plane
412-supporting surface 413-dodges face
5-optical film material 6-fixing glue
7-display floater
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.
As shown in Figure 3 and Figure 4, wherein: the part-structure schematic diagram of the first backlight module that Fig. 3 provides for the utility model embodiment; Light transmition schematic diagram in the backlight module that Fig. 4 provides for the utility model embodiment;
The utility model provides a kind of backlight module, comprise: backboard 1, the reflector plate 2 be positioned on backboard 1, be positioned at the light guide plate 3 on reflector plate 2 and be positioned at the glue frame 4 of periphery of light guide plate 3, and glue frame 4 comprises: with the periphery frame 41 one to one of light guide plate 3, light guide plate 3 comprises: incidence surface 31 and the distance light face 32 relative with incidence surface 31, the frame 41 that glue frame 4 is oppositely arranged with the distance light face 32 of light guide plate 3 comprises: the first inclined-plane 411, inclined-plane 411, first is relative with distance light face 32 and tilt to distance light face 32.
The backlight module that the utility model provides, by arranging the first inclined-plane 411 on the frame 41 that glue frame 4 is relative with the distance light face 32 of light guide plate 3, make the light of distance light face 32 outgoing from light guide plate 3, be irradiated to the first inclined-plane 411 back reflection to side, backboard 1 place, if the light of part reflection is directly from the gap injection backboard 1, part reflection ray is radiated on backboard 1 or reflector plate 2, reflect to light guide plate 3 through reflector plate 2 or backboard, the exiting surface to light guide plate 3 is spread behind the micro-structural site on light guide plate 3, and penetrate from the exiting surface of light guide plate 3, light can either be re-used like this, light can also be made better to obtain the diffusion of the micro-structural site on light guide plate 3, make light more even, reduce from the light of distance light face 32 outgoing of light guide plate 3 be reflected directly toward after the frame 41 of glue frame 4 distance light face 32 then light micro-structural site through light guide plate cannot there is scattering process and cause light uneven, thus produce bright line at distance light end.It should be noted that, the light reflected from the first inclined-plane 411 in the application also comprises the light etc. being reflected directly toward distance light face 32, but also there is part can micro-structural on light guide plate in this some light, therefore also can obtain the scattering process of micro-structural site, reduce bright line and produce.
So the backlight module that the utility model provides, can reduce the generation of the distance light face 32 bright line phenomenon of light guide plate, improve the efficiency of light energy utilization of backlight module, improve the display effect of display unit.
Optionally, the angle a between the first inclined-plane 411 and the exiting surface 33 of light guide plate 3 is more than or equal to 60 degree and is less than 90 degree.Such as, can be 65 degree, 70 degree, 75 degree, 80 degree, 85 degree etc., just repeat no longer one by one here.
As shown in Figure 5, the part-structure schematic diagram of the second backlight module that provides for the utility model embodiment of Fig. 5; The distance light face 32 of light guide plate 3 is second inclined-plane 34 identical with the first inclined-plane 411 incline direction.Be convenient to light guide plate 3 and glue frame 4 cooperatively interacts.
Further, the gradient on the second inclined-plane 34 is identical with the gradient on the first inclined-plane 411.Be convenient to make.
In a kind of optional embodiment, as shown in Figure 6, the part-structure schematic diagram of the third backlight module that Fig. 6 provides for the utility model embodiment; The upper end of each frame 41 of glue frame 4 forms the supporting surface 412 for supporting display floater 7.Compared with glue frame 4 of the prior art, dispense and blocked projection for spacing display floater 7 in glue frame 4 of the prior art, and then the width W of glue frame 4 can be reduced, and then the width of frame 41 of display unit can be reduced, the thickness of display unit can be reduced simultaneously.
Further, each frame 41 of glue frame 4 comprises: the dodge face 413 relative with the optical film material 5 in backlight module, and it is vertical with the exiting surface 33 of light guide plate 3 to dodge face 413.The setting of dodging face 413 is convenient to glue frame 4 and is better coordinated with optical film material 5.
The shape of above-mentioned backboard 1 can be shape of the prior art, can be also other shape, and in a kind of detailed description of the invention, backboard 1 is tabular.Compared with backboard 1 of the prior art, eliminate the side frame 41 in backboard 1 of the prior art, further reduce the width of the frame 41 of display unit, realize narrow frame 41 effect of display unit.
Fixing glue 6 is provided with between the bottom (one side towards backboard) of each frame 41 of above-mentioned backboard 1 and glue frame 4.Certainly, also can be connected by alternate manner between the bottom of each frame 41 of backboard 1 and glue frame 4, just not repeat one by one here.Above-mentioned fixing glue 6 can be fixing adhesive tape or liquid glue.
As shown in Figure 7, the part-structure schematic diagram the utility model of the display unit that Fig. 7 provides for the utility model embodiment additionally provides a kind of display unit, comprise display floater 7, also comprise: the backlight module described in above-mentioned any one, display floater 7 is fixedly installed on the supporting surface 412 of the glue frame 4 of backlight module.
Due to above-mentioned backlight module, the generation of the distance light face 32 bright line phenomenon of light guide plate can be reduced, improve the efficiency of light energy utilization of backlight module, improve the display effect of display unit, therefore the display unit that the utility model provides, there is good display effect.
Further, the one side that display floater 7 deviates from light guide plate 3 is connected with glue frame 4 by fixing glue 6.Above-mentioned fixing glue 6 can be liquid glue also can be solid sheet of adhesive.
This display unit can be any product or parts with Presentation Function such as note-book computer display screen, Electronic Paper, organic light emitting diode display, liquid crystal display, LCD TV, DPF, mobile phone, panel computer.
Obviously, those skilled in the art can carry out various change and modification to the utility model embodiment and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (10)
1. a backlight module, comprise: backboard, the reflector plate be positioned on described backboard, be positioned at the light guide plate on described reflector plate and be positioned at the glue frame of periphery of described light guide plate, and described glue frame comprises: with the periphery frame one to one of described light guide plate, described light guide plate comprises: incidence surface and the distance light face relative with described incidence surface, it is characterized in that, the frame that the distance light face of described glue frame and described light guide plate is oppositely arranged comprises: the first inclined-plane, and described first inclined-plane is relative with described distance light face and to described distance light face tilt.
2. backlight module according to claim 1, is characterized in that, the angle between described first inclined-plane and the exiting surface of described light guide plate is more than or equal to 60 degree and is less than 90 degree.
3. backlight module according to claim 1, is characterized in that, the distance light face of described light guide plate is second inclined-plane identical with described first inclined-plane incline direction.
4. backlight module according to claim 3, is characterized in that, the gradient on described second inclined-plane is identical with the gradient on described first inclined-plane.
5. backlight module according to claim 1, is characterized in that, the upper end of each frame of described glue frame forms the supporting surface for supporting display floater.
6. backlight module according to claim 4, is characterized in that, each frame of described glue frame comprises: relative with the optical film material in described backlight module dodges face, described in dodge face vertical with the exiting surface of described light guide plate.
7. backlight module according to claim 5, is characterized in that, described backboard is tabular.
8. the backlight module according to any one of claim 1 ~ 7, is characterized in that, is provided with fixing glue between the bottom of each frame of described backboard and described glue frame.
9. a display unit, comprises display floater, it is characterized in that, also comprises: the backlight module as described in any one of claim 1 ~ 8, and described display floater is fixedly installed on the supporting surface of the glue frame of described backlight module.
10. display unit according to claim 9, is characterized in that, the one side that described display floater deviates from described light guide plate is connected with described glue frame by fixing glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700658.3U CN205065450U (en) | 2015-09-10 | 2015-09-10 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700658.3U CN205065450U (en) | 2015-09-10 | 2015-09-10 | Backlight module and display device |
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| Publication Number | Publication Date |
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| CN205065450U true CN205065450U (en) | 2016-03-02 |
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| CN201520700658.3U Active CN205065450U (en) | 2015-09-10 | 2015-09-10 | Backlight module and display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106569362A (en) * | 2016-10-19 | 2017-04-19 | 京东方科技集团股份有限公司 | Backlight module group and display device |
| CN109471282A (en) * | 2017-09-07 | 2019-03-15 | 群创光电股份有限公司 | Display device and its assemble method |
| CN109563972A (en) * | 2016-07-28 | 2019-04-02 | 奥特司科技株式会社 | Light supply apparatus and display device with the light supply apparatus |
| WO2020237715A1 (en) * | 2019-05-24 | 2020-12-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal module |
| CN114355650A (en) * | 2020-10-12 | 2022-04-15 | 夏普株式会社 | Display device |
| CN115685437A (en) * | 2022-08-24 | 2023-02-03 | 厦门天马微电子有限公司 | Backlight module and display device |
-
2015
- 2015-09-10 CN CN201520700658.3U patent/CN205065450U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563972A (en) * | 2016-07-28 | 2019-04-02 | 奥特司科技株式会社 | Light supply apparatus and display device with the light supply apparatus |
| CN106569362A (en) * | 2016-10-19 | 2017-04-19 | 京东方科技集团股份有限公司 | Backlight module group and display device |
| US10473974B2 (en) | 2016-10-19 | 2019-11-12 | Boe Technology Group Co., Ltd. | Backlight module and display device having the same |
| CN109471282A (en) * | 2017-09-07 | 2019-03-15 | 群创光电股份有限公司 | Display device and its assemble method |
| WO2020237715A1 (en) * | 2019-05-24 | 2020-12-03 | 武汉华星光电技术有限公司 | Backlight module and liquid crystal module |
| CN114355650A (en) * | 2020-10-12 | 2022-04-15 | 夏普株式会社 | Display device |
| CN115685437A (en) * | 2022-08-24 | 2023-02-03 | 厦门天马微电子有限公司 | Backlight module and display device |
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| GR01 | Patent grant |