CN206348475U - Light guide plate, side-edge type backlight module and side entering type liquid crystal display device - Google Patents
Light guide plate, side-edge type backlight module and side entering type liquid crystal display device Download PDFInfo
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- CN206348475U CN206348475U CN201720038686.2U CN201720038686U CN206348475U CN 206348475 U CN206348475 U CN 206348475U CN 201720038686 U CN201720038686 U CN 201720038686U CN 206348475 U CN206348475 U CN 206348475U
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- Prior art keywords
- light guide
- guide plate
- groove
- liquid crystal
- crystal display
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Abstract
The utility model provides a kind of light guide plate, side-edge type backlight module and side entering type liquid crystal display device, is related to display technology field.The light guide plate includes first surface and second surface and the side surface between first surface and second surface being oppositely arranged.First surface is exiting surface.One end on second surface close to side surface opens up fluted, and groove is used to house backlight assembly.One end on the second surface of the light guide plate close to side surface opens up fluted, backlight assembly is arranged in groove, realizes ultra-narrow frame design.
Description
Technical field
The utility model is related to display technology field, in particular to a kind of light guide plate, side-edge type backlight module and
Side entering type liquid crystal display device.
Background technology
Backlight is a kind of light source positioned at liquid crystal display (Liquid Crystal Display, abbreviation LCD) behind,
Its illumination effect will directly influence the visual effect of LCD MODULE.Backlight is main by light source, light guide plate, optical mode
Most crucial technology is the optical technology of light guide plate in piece, structural member composition, backlight.Light guide plate be also divided into direct type light guide plate and
Edge-type light guide plate, wherein, edge-type light guide plate is most widely used light guide plate.
At present, side entering type liquid crystal display device is typically placed in light guide plate side using lamp bead, enters light and enters in light guide plate
Row is propagated.But, because lamp bead is placed in light guide plate side, and there is certain distance between lamp bead and light guide plate, institute is for fixed and screening
The border width for covering light guide plate and lamp bead is larger, and side entering type liquid crystal display device can not realize ultra-narrow frame design.In addition, side enters
In formula liquid crystal display device, there is certain distance between lamp bead and light guide plate, the luminous energy that lamp bead is sent is had in communication process necessarily
Energy loss.
Utility model content
The purpose of this utility model is to provide a kind of light guide plate, side-edge type backlight module and side entering type liquid crystal display dress
Put, the existing side entering type liquid crystal display device of its at least part solution can not realize ultra-narrow frame design and luminous energy loss is larger
The problem of.
The first technical scheme that the utility model is provided：A kind of light guide plate includes the first surface and second being oppositely arranged
Surface and the side surface between the first surface and the second surface；The first surface is exiting surface；It is described
One end on second surface close to the side surface opens up fluted, and the groove is used to house backlight assembly.
Further, the side surface includes first side and second side；One end margin of the second side and institute
State the side edge of first surface, another end margin of the second side and one end side edge of the first side, institute
State another end margin of first side and the side edge of the second surface.
Further, the second side and angle formed by the first surface are obtuse angle.
Further, the light guide plate also includes the first reflector plate and the second reflector plate；First reflector plate is attached at
The second side；Second reflector plate is attached at the first side.
Further, the groove includes side wall；Neck is opened up on the side wall, the neck is used for backlight described in clamping
Source component.
Further, the groove runs through the light guide plate.
Second of technical scheme that the utility model is provided：A kind of side-edge type backlight module includes light guide plate and backlight
Component；The light guide plate includes the first surface that is oppositely arranged and second surface and positioned at the first surface and described the
Side surface between two surfaces；The first surface is exiting surface；Open one end on the second surface close to the side surface
Provided with groove；The backlight assembly is arranged in the groove.
Further, the backlight assembly includes lamp bead and substrate；The lamp bead is set on the substrate；The lamp
Pearl is installed on the inside of the groove, and the substrate is installed at the opening of the groove.
Further, the backlight assembly also includes heat sink；It is relatively described that the heat sink is arranged at the substrate
The opposite side of lamp bead.
Further, the groove includes side wall；Neck is opened up on the side wall, the substrate clamping is in the neck
It is interior.
The third technical scheme that the utility model is provided：A kind of side entering type liquid crystal display device includes liquid crystal display panel
With above-mentioned side-edge type backlight module, the liquid crystal display panel is arranged on the side of the first surface of the light guide plate.
The beneficial effect of light guide plate, side-edge type backlight module and side entering type liquid crystal display device that the utility model is provided
It is：
Open up fluted by one end close to side surface on the second surface of light guide plate, backlight assembly is set
Put in groove, it is to avoid backlight assembly is necessarily placed at the side of light guide plate.Therefore, carried on the back using the side entering type of above-mentioned light guide plate
Light source module and side entering type liquid crystal display device can realize ultra-narrow frame design, and between backlight assembly and light guide plate
In the absence of larger spacing distance, energy dissipation of the luminous energy in communication process is reduced.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the utility model embodiment, it will use below required in embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
The structural representation for the side-edge type backlight module that Fig. 1 provides for the utility model first embodiment.
Fig. 2 be Fig. 1 in light guide plate structural representation.
Fig. 3 be Fig. 1 in backlight assembly structural representation.
The structural representation for the side entering type liquid crystal display device that Fig. 4 provides for the utility model second embodiment.
Icon：100- side-edge type backlight modules；110- light guide plates；111- first surfaces；112- second surfaces；113- sides
Surface；1131- first sides；1132- second sides；114- grooves；115- necks；The reflector plates of 116- first；117- second is anti-
Penetrate piece；120- backlight assemblies；121- lamp beads；122- substrates；123- heat sinks；200- side entering type liquid crystal display devices；210-
Liquid crystal display panel；211- color membrane substrates；212- array base paltes；213- liquid crystal layers.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched
The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally here described in accompanying drawing and
The component of the utility model embodiment shown can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.
Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "left", "right",
The orientation or position relationship of the instructions such as " interior ", " outer " be based on orientation shown in the drawings or position relationship, or practicality newly
Orientation or position relationship that type product is usually put when using, or the orientation or position that those skilled in the art usually understand
Relation, is for only for ease of description the utility model and simplifies description, rather than indicate or imply that the equipment or element of meaning must
There must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
In addition, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relatively important
Property.
In description of the present utility model, in addition it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or be integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, it can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
First embodiment
The structural representation for the side-edge type backlight module 100 that Fig. 1 provides for the utility model first embodiment, is referred to
Fig. 1.It should be noted that the reference with arrow refers to empty body structure in all accompanying drawings, such as hole, groove, chamber, without
The reference of arrow refers to entity structure.
Present embodiments provide a kind of side-edge type backlight module 100.Side-edge type backlight module 100 includes light guide plate
110 and backlight assembly 120.Light guide plate 110 includes the first surface 111 that is oppositely arranged and second surface 112 and positioned at the
Side surface 113 between one surface 111 and second surface 112.
First surface 111 is parallel to each other with second surface 112, and first surface 111 is exiting surface.Leaned on second surface 112
One end of proximal face 113 opens up fluted 114.Backlight assembly 120 is arranged in groove 114, so that side entrance back
Source module 100 realizes ultra-narrow frame design.
Fig. 2 is the structural representation of the light guide plate 110 in Fig. 1, refers to Fig. 2.
The wedge shaped body of monnolithic case of light guide plate 110.Groove 114 runs through light guide plate parallel to side surface 113, groove 114
110.Side surface 113 includes first side 1131 and second side 1132.An end margin and first surface for second side 1132
111 side edge, another end margin of second side 1132 and one end side edge of first side 1131, first side
1131 another end margin and the side edge of second surface 112.
Second side 1132 and angle formed by first surface 111 are obtuse angle, second side 1132 and the institute of second surface 112 into
Angle be acute angle, specifically, the magnitude range at second side 1132 and second surface 112 formed angle after extending can be 30 °
To 75 °.First side 1131 is mutually perpendicular to first surface 111 or second surface 112.It is easily understood that in the present embodiment
Side surface 113 can also be using other structure types, for example, side surface 113 is a plane, this plane can be with respect to the
One surface 111 is tilted or vertically, or side surface 113 includes multiple planes, and multiple planes are mutually spliced, as long as can be easy to patch
Attached reflector plate, the effect for playing optically focused.
Light guide plate 110 also includes the first reflector plate 116 and the second reflector plate 117.First reflector plate 116 is attached at the second side
Face 1132.Second reflector plate 117 is attached at first side 1131.First reflector plate 116 and the second reflector plate 117 use high reflection
Rate material is made, such as white reflective piece, silvery reflective piece.
The light for setting the first reflector plate 116 and the second reflector plate 117 to send backlight assembly 120 is anti-to greatest extent
Penetrate or scatter and into the inside of light guide plate 110, improve the utilization rate of light, while can also avoid because backlight assembly 120 is sent out
The light gone out is uneven and produces firefly phenomenon.
The inside of groove 114 offers neck 115.Neck 115 is opened in the side wall of groove 114 and close to groove 114
One end of opening, neck 115 is used for clamping backlight assembly 120.The quantity of neck 115 is two, and two clamp bar slots 115 are set relatively
Put, the both sides relative for clamping backlight assembly 120, improve clamping steadiness.
The length of neck 115 and the equal length of groove 114.Backlight assembly 120 can be easily from groove 114 and card
One end end of groove 115 is inserted or pulled out, and the dismounting backlight assembly 120 on light guide plate 110 is more facilitated, and can keep away
Exempt from that backlight assembly 120 is bonded in groove 114 using heat-conducting glue, reduce material cost.
Fig. 3 is the structural representation of the backlight assembly 120 in Fig. 1, refers to Fig. 3.
Backlight assembly 120 includes lamp bead 121, substrate 122 and heat sink 123.Lamp bead 121 is set on a substrate 122.Dissipate
Hot plate 123 is arranged at opposite side of the substrate 122 with respect to lamp bead 121.Substrate 122 is clamped in neck 115.The thickness of substrate 122
It is slightly less than the width of neck 115, substrate 122 is easily inserted or pull out neck 115.
Lamp bead 121 is not close to the bottom of groove 114 and straight with light guide plate 110 relative to substrate 122 and heat sink 123
Contact.So, lamp bead 121 is unlikely to make the temperature distortion of light guide plate 110, improves making for light guide plate 110 during luminous
Use performance and used life.
The quantity of lamp bead 121 is multiple, and multiple intervals of lamp bead 121 are uniformly arranged, and use up the light that backlight assembly 120 is sent
Amount is uniform.Lamp bead 121 can specifically use LED.
The heat that lamp bead 121 and substrate 122 are produced in the course of the work can radiate by heat sink 123 to external diffusion
Plate 123 can be made of metal material, such as copper, aluminium.
The width of heat sink 123 is less than the width of groove 114, heat sink 123 is not directly contacted with light guide plate 110.Dissipate
Side of the hot plate 123 away from substrate 122 and backboard (not shown) or the heat-radiating substrate (figure of side-edge type backlight module 100
Not shown in) contact, the heat on heat sink 123 is diffused into by backboard or heat-radiating substrate in air, so as to improve
The radiating effect of lamp bead 121, it is ensured that the service life of lamp bead 121.
The operation principle for the side-edge type backlight module 100 that the utility model is provided：First, backlight assembly 120 is sent
Light.Then, light is projected after the diffusion of light guide plate 110 from second surface 112, meanwhile, it is irradiated to the He of first side 1131
Light in second side 1132, is projected after the first reflector plate 116 and the reflection of the second reflector plate 117 from second surface 112.
The utility model provide side-edge type backlight module 100 by using the light guide plate 110 with groove 114, and
Backlight assembly 120 is arranged in groove 114, it is achieved that the ultra-narrow frame design of side-edge type backlight module 100.
Secondly, neck 115 is offered in groove 114, improves stability of the backlight assembly 120 on light guide plate 110.Connect
, the side surface 113 of light guide plate 110 includes first side 1131 and second side 1132, first side 1131 and second side
The first reflector plate 116 and the second reflector plate 117 are pasted with 1132 respectively, 100 pairs of light of side-edge type backlight module are improved
Utilization rate and uniformity, it is to avoid firefly phenomenon occur.Finally, backlight assembly 120 also includes heat sink 123, improves pair
The radiating effect of lamp bead 121, it is ensured that the performance and service life of side-edge type backlight module 100.
Second embodiment
The structural representation for the side entering type liquid crystal display device 200 that Fig. 4 provides for the utility model second embodiment, please join
Read Fig. 4.
The side entering type liquid crystal display device 200 that the present embodiment is provided is included in liquid crystal display panel 210 and first embodiment
Side-edge type backlight module 100.Liquid crystal display panel 210 is arranged on the side of the first surface 111 of light guide plate 110.
Specifically, liquid crystal display panel 210 includes color membrane substrates 211, array base palte 212 and is arranged on color membrane substrates
Liquid crystal layer 213 between 211 and array base palte 212.The light that backlight assembly 120 is sent by light guide plate 110 diffusion after, from
The first of light guide plate 110 shows to project, and sequentially passes through array base palte 212, liquid crystal layer 213 and color membrane substrates 211, and in color film
The exiting surface of substrate 211 realizes the display of picture.
Certainly, the side entering type liquid crystal display device 200 that the present embodiment is provided, is specifically as follows：Liquid crystal display, electronics
Paper, mobile phone, tablet personal computer, television set, display, notebook computer, DPF, navigator etc. are any with display function
Product or part.
Enter it should be noted that all accompanying drawings of the utility model are above-mentioned light guide plate 110 and the side including the light guide plate 110
The simple schematic diagram of formula backlight source module 100 and side entering type liquid crystal display device 200, is only embodied to clearly describe this programme
The structure related to inventive point, is existing structure for other structures unrelated with inventive point, in the accompanying drawings not embodiment or
Realizational portion.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of light guide plate, it is characterised in that the light guide plate includes the first surface and second surface, Yi Jiwei being oppositely arranged
Side surface between the first surface and the second surface；The first surface is exiting surface；On the second surface
One end close to the side surface opens up fluted, and the groove is used to house backlight assembly.
2. light guide plate according to claim 1, it is characterised in that the side surface includes first side and second side；
One end margin of the second side and the side edge of the first surface, another end margin of the second side with it is described
One end side edge of first side, another end margin of the first side and the side edge of the second surface.
3. light guide plate according to claim 2, it is characterised in that the second side and angle formed by the first surface
For obtuse angle.
4. light guide plate according to claim 2, it is characterised in that the light guide plate is also anti-including the first reflector plate and second
Penetrate piece；First reflector plate is attached at the second side；Second reflector plate is attached at the first side.
5. light guide plate according to claim 1, it is characterised in that the groove includes side wall；Card is opened up on the side wall
Groove, the neck is used for backlight assembly described in clamping.
6. light guide plate according to claim 1, it is characterised in that the groove runs through the light guide plate.
7. a kind of side-edge type backlight module, it is characterised in that the side-edge type backlight module includes light guide plate and backlight
Component；The light guide plate includes the first surface that is oppositely arranged and second surface and positioned at the first surface and described the
Side surface between two surfaces；The first surface is exiting surface；Open one end on the second surface close to the side surface
Provided with groove；The backlight assembly is arranged in the groove.
8. side-edge type backlight module according to claim 7, it is characterised in that the backlight assembly include lamp bead and
Substrate；The lamp bead is set on the substrate；The lamp bead is installed on the inside of the groove, and the substrate is installed on described
At the opening of groove.
9. side-edge type backlight module according to claim 8, it is characterised in that the backlight assembly also includes radiating
Plate；The heat sink is arranged at the opposite side of the relatively described lamp bead of the substrate.
10. a kind of side entering type liquid crystal display device, including liquid crystal display panel, it is characterised in that the side entering type liquid crystal display
Device also includes the side-edge type backlight module described in any one of claim 7 to 9, and the liquid crystal display panel is arranged on described
The side of the first surface of light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038686.2U CN206348475U (en) | 2017-01-13 | 2017-01-13 | Light guide plate, side-edge type backlight module and side entering type liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720038686.2U CN206348475U (en) | 2017-01-13 | 2017-01-13 | Light guide plate, side-edge type backlight module and side entering type liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206348475U true CN206348475U (en) | 2017-07-21 |
Family
ID=59324833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720038686.2U Expired - Fee Related CN206348475U (en) | 2017-01-13 | 2017-01-13 | Light guide plate, side-edge type backlight module and side entering type liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206348475U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505671A (en) * | 2017-09-25 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module, its preparation method and include its display device |
| CN109709638A (en) * | 2019-01-30 | 2019-05-03 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, screen and electronic equipment |
| CN112967612A (en) * | 2020-04-23 | 2021-06-15 | 重庆康佳光电技术研究院有限公司 | LED display screen |
-
2017
- 2017-01-13 CN CN201720038686.2U patent/CN206348475U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505671A (en) * | 2017-09-25 | 2017-12-22 | 京东方科技集团股份有限公司 | Backlight module, its preparation method and include its display device |
| US11340393B2 (en) | 2017-09-25 | 2022-05-24 | Fuzhou Boe Optoelectronics Technology Co., Ltd. | Backlight module including side surface having acute angle manufacturing method thereof and display device and illuminating device comprising the same |
| CN109709638A (en) * | 2019-01-30 | 2019-05-03 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, screen and electronic equipment |
| CN112967612A (en) * | 2020-04-23 | 2021-06-15 | 重庆康佳光电技术研究院有限公司 | LED display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20200113 |