CN105867027A - Backlight module, liquid crystal display module and liquid crystal display device - Google Patents

Backlight module, liquid crystal display module and liquid crystal display device Download PDF

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Publication number
CN105867027A
CN105867027A CN201610395034.4A CN201610395034A CN105867027A CN 105867027 A CN105867027 A CN 105867027A CN 201610395034 A CN201610395034 A CN 201610395034A CN 105867027 A CN105867027 A CN 105867027A
Authority
CN
China
Prior art keywords
backlight module
guide plate
light guide
light source
liquid crystal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610395034.4A
Other languages
Chinese (zh)
Inventor
付伟
闵航
雷嗣军
高亮
朱昌功
罗文诚
李川
王志会
邱海军
尚飞
潘飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Chongqing BOE Optoelectronics Technology Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Chongqing BOE Optoelectronics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd, Chongqing BOE Optoelectronics Technology Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN201610395034.4A priority Critical patent/CN105867027A/en
Publication of CN105867027A publication Critical patent/CN105867027A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133615Edge-illuminating devices, i.e. illuminating from the side
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133608Direct backlight including particular frames or supporting means
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336Illuminating devices
    • G02F1/133602Direct backlight
    • G02F1/133606Direct backlight including a specially adapted diffusing, scattering or light controlling members
    • G02F1/133607Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Planar Illumination Modules (AREA)

Abstract

The invention discloses a backlight module, a liquid crystal display module and a liquid crystal display device. The frame narrowing of the backlight module is achieved by reducing the number of components of the backlight module and reducing the thickness of the backlight module. The backlight module comprises a light guide plate and side light sources. Grooves are formed in the backlight face of the light guide plate. At least part of each side light source is located in the corresponding groove.

Description

A kind of backlight module, liquid crystal display module and liquid crystal indicator
Technical field
The application relates to field of liquid crystal display, particularly relates to a kind of backlight module, liquid crystal display module and liquid Crystal device.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) has that Low emissivity, volume be little and low power consuming Etc. advantage, in certain applications, the most gradually replace traditional cathode ray tube display (Cathode Ray Tube Display, CRT), thus it is widely used in notebook computer, personal digital assistant (Personal Digital Assistant, PDA), on the product such as flat-surface television and mobile phone.
Liquid crystal display includes display panels and backlight module, and backlight module is to lcd products The assembly of light source is provided, is generally disposed at the lower section of display floater, uniformly dissipate and certain brightness to provide Light to display floater, forms different brightness, no according to the different voltages of the pixel electrode on display floater With color and the colour picture of different gray scale.
It is side entrance back module that light source is arranged at the backlight module of side.In side entrance back module, light source The light (line source) sent is entered light guide plate by side, and line source is changed into equally distributed by light guide plate Outgoing after area source.As it is shown in figure 1, show the structural representation of module for available liquid crystal, by liquid crystal display Panel 2 and backlight module 1 form.Wherein, display panels 2 includes the array base palte 201 being oppositely arranged And color membrane substrates 202, wherein, the one side away from array base palte 201 of color membrane substrates 202 is provided with Polaroid 203, the one side away from color membrane substrates 202 of array base palte 201 is provided with lower polaroid 204. Backlight module 1 includes light guide plate 101, is arranged at the side light source 102 outside light guide plate 101 and to leaded light Plate 101 and side light source 102 are supported the backboard 110 fixed.Wherein, side light source 102 is also associated with soft Property circuit board 104.Light guide plate 101 has relative exiting surface 002 and shady face 001, at light guide plate 101 Shady face 001 side be provided with strengthen light utilization efficiency reflector plate 111, at the exiting surface of light guide plate 101 002 side is provided with triple diaphragm, respectively has and makes the more uniform diffusion sheet 112 of emergent light and set Put first prismatic lens 113 and second prismatic lens 114 with optically focused effect on diffusion sheet 112.Wherein, Light guide plate 101 is adhesively fixed by the first adhesive tape 1091 with backboard 110, and flexible PCB 104 is with guide-lighting Plate 101 is adhesively fixed by the second adhesive tape 1092, and reflector plate 111 and backboard 110 are by the 3rd adhesive tape 1093 It is adhesively fixed.Wherein, the second adhesive tape 1092 and the 3rd adhesive tape 1093 can be that a monoblock adhesive tape is (such as Fig. 1 Shown in), it is of course also possible to be two parts adhesive tape independently.
From the foregoing, it will be observed that existing back light module group is more, structure is complicated, and the cooperation between all parts is public Difference is relatively big, causes the overall flat degree of backlight module to be difficult to control to, and meanwhile, the thickness of backlight module is relatively big, Frame is wider.
Summary of the invention
The purpose of the application is to provide a kind of backlight module, liquid crystal display module and liquid crystal indicator, with Reduce the number of components of backlight module, the thickness of thinning backlight module, it is achieved the narrow frame of backlight module.
The purpose of the application is achieved through the following technical solutions:
The embodiment of the present application provides a kind of backlight module, including light guide plate and side light source,
The shady face of described light guide plate is provided with groove, described side light source remain at least partially within institute State in groove.
The backlight module that the embodiment of the present application provides, the shady face of its light guide plate is provided with groove, by inciting somebody to action Side light source is arranged on groove, and then can avoid using and be supported side light source by backboard and fix, can With the effective assembly reducing backlight module, reduce the thickness of backlight module, side light source is arranged on meanwhile In the groove of the shady face of light guide plate, it is possible to achieve the narrow frame of backlight module.
Preferably, the exiting surface of described light guide plate has V-type groove array.
The backlight module that the embodiment of the present application provides, the exiting surface of light guide plate has V-type groove array, can So that light guide plate has the optically focused effect of prismatic lens, and then can avoid using the increasing in traditional backlight module Paillette, realizes the slimming of backlight module further.
Preferably, the surface of described V-type groove array is coated with light diffusion particle.
The backlight module that the embodiment of the present application provides, the surface of V-type groove array is coated with light diffusion grain Son, can make light guide plate have the even light action of diffusion sheet, and then can avoid using traditional backlight module In diffusion sheet, realize the slimming of backlight module further.
Preferably, the shady face of described light guide plate is coated with light diffusion particle.
The backlight module that the embodiment of the present application provides, the shady face of light guide plate is coated with light diffusion particle, can So that light guide plate has the effect of reflector plate, can avoid using the reflector plate in traditional backlight module, enter One step realizes the slimming of backlight module.
Preferably, described smooth diffusion particle is acryl resin.
Preferably, the shady face of described light guide plate is additionally provided with ledge structure, and described ledge structure is with described Groove is adjacent, is used for housing part flexible PCB, so that described side light source is entered by described flexible PCB Row supports fixing.
Preferably, the inwall that described groove is relative with described side light source, and described ledge structure is soft with described Property circuit board the relative sidewall of sidepiece arrange and be formed with described V-type groove array, described V-type groove battle array The surface of row is coated with light diffusion particle;Or, the inwall that described groove is relative with described side light source, and The sidewall that described ledge structure is relative with the sidepiece face of described flexible PCB is formed with light diffusion particle.
Preferably, described side light source is light-emitting diode light bar or code cathode fluorescent lamp tube.
The embodiment of the present application additionally provides a kind of liquid crystal display module, the institute provided including the embodiment of the present application The backlight module stated, also includes that display panels, described display panels are arranged at described backlight mould The close described exiting surface side of group;
Described display panels includes array base palte and the color membrane substrates being oppositely arranged, wherein, described The one side away from described array base palte of color membrane substrates is provided with upper polaroid, described array base palte away from The one side of described color membrane substrates is provided with lower polaroid;
The one side that described array base palte is relative with described lower polaroid has the weight overlapping with described lower polaroid Folded region and the non-overlapped region in addition to described overlapping region, described array base palte described non-heavy Folded region is pasted with two-sided tape with the end of the described exiting surface of described light guide plate, leads described in being perpendicular to On the direction of tabula rasa, the projection of described two-sided tape covers the projection of described side light source.
The liquid crystal display module that the embodiment of the present application provides, the Non-overlapping Domain of array base palte and light guide plate The end of exiting surface is pasted with double faced adhesive tape, on the one hand display panels can be made to carry out good with backlight module Good fixation, on the other hand, can cover the light source the sending out of non-display area at liquid crystal display module Light, it is to avoid affect the display effect of display floater.
The embodiment of the present application provide a kind of liquid crystal indicator, including the embodiment of the present application provide described Display panels.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing liquid crystal display module;
The structural representation of a kind of backlight module that Fig. 2 provides for the embodiment of the present application;
A kind of one end at shady face that Fig. 3 provides for the embodiment of the present application arranges reeded light conducting plate structure Schematic diagram;
A kind of middle part at shady face that Fig. 4 provides for the embodiment of the present application arranges reeded light conducting plate structure Schematic diagram;
A kind of two ends at shady face that Fig. 5 provides for the embodiment of the present application arrange reeded light conducting plate structure Schematic diagram;
The structural representation of the another kind of backlight module that Fig. 6 provides for the embodiment of the present application;
A kind of back of the body being formed with V-type groove array and light diffusion particle that Fig. 7 provides for the embodiment of the present application The structural representation of light module;
The structural representation of the liquid crystal display module that Fig. 8 provides for the embodiment of the present application.
Detailed description of the invention
Below in conjunction with Figure of description, the embodiment of the present application is realized process to be described in detail.Should be noted that , the most same or similar label represents same or similar element or has same or like merit The element of energy.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining the application, And it is not intended that restriction to the application.
Seeing Fig. 2, the embodiment of the present application provides a kind of backlight module, including light guide plate 101 and side light source 102, light guide plate 101 has relative exiting surface 002 and a shady face 001, wherein,
The shady face 001 of light guide plate 101 is provided with groove 103, side light source 102 at least some of It is positioned at groove 103.
Preferably, in order to form relatively thin backlight module, whole side light source 102 can be all disposed within groove In 103.
The backlight module that the embodiment of the present application provides, the shady face 001 of its light guide plate 101 is provided with groove 103, by side light source 102 is arranged on groove 103, and then can avoid using by backboard side light source 102 are supported and fix, and can effectively reduce the assembly of backlight module, reduce the thickness of backlight module, Meanwhile, side light source 102 is arranged in the groove 103 of shady face 001 of light guide plate 101, it is possible to achieve The narrow frame of backlight module.
It should be noted that owing to the groove 103 of the embodiment of the present application offer is mainly used in accommodating side light source 102, and the light-emitting diode light bar of side light source 102 generally strip or cathode fluorescent tube, therefore, Preferably, the groove 103 that the shady face 001 of the embodiment of the present application light guide plate 101 is arranged is strip.Specifically , the groove 103 of strip can be arranged on the close end of shady face 001, as shown in Figure 3;Also may be used To be arranged on the center of shady face 001, as shown in Figure 4.Can be at the shady face 001 of light guide plate 101 End groove 103 is set, see Fig. 3, it is also possible to shady face 001 relative of light guide plate 101 Two ends at two grooves 103 are set, see Fig. 5.Groove 103 is at the shady face 001 of light guide plate 101 Position is set and number is set can arrange the most flexibly in the specific implementation, at this not Limit.It should be noted that Fig. 2 to Fig. 5 is only to enter with the cross section figure of groove 103 for rectangle Row illustrate, in the specific implementation, the cross section figure of groove 103 can also be square, trapezoidal, Semicircle and half elliptic.The cross section figure of groove 103 can enter in the specific implementation as required Row is arranged flexibly, does not limits at this.
Generally, due to side light source 102 is also associated with the flexible PCB 104 into side light source 102 power supply, It is preferred, therefore, that in order to form relatively thin backlight module, see Fig. 6, the light guide plate of the embodiment of the present application The shady face 001 of 101 is additionally provided with ledge structure 105, and ledge structure 105 is adjacent with groove 103, uses In accommodating part flexible PCB 104, so that flexible PCB 104 carries out more preferable twelve Earthly Branches to side light source 102 Support is fixing.In the specific implementation, flexible PCB 104 can a part contact with side light source 102, for side Light source 102 is powered, and another part contacts with ledge structure 105 and fixes.By connecing with ledge structure 105 Flexible PCB 104 part touched and fix, can make flexible PCB 104 entirety enter with light guide plate 101 Row is fixing, and then side light source 102 can be made preferably to be fixed in the groove 103 of light guide plate 101.
Preferably, see Fig. 7, V-type groove array 106 can be formed at the exiting surface 002 of light guide plate 101, So that light guide plate 101 has the optically focused effect of prismatic lens simultaneously, and then backlight module can be made to avoid using rib Eyeglass, realizes the slimming of backlight module further.In the specific implementation, can be existed by lithographic methods The exiting surface 002 of light guide plate 101 forms V-type groove array 106.It addition, V-type groove array 106 Surface can also be coated with light diffusion particle 107, so that light guide plate 101 outgoing is photochromic more uniform, enters And can avoid using the diffusion sheet in traditional backlight module, realize the slimming of backlight module further.Light Diffusion particle 107 is specifically as follows acryl resin.The backlight module that the embodiment of the present application provides, it goes out light Face 002 is formed with V-type groove array 106, and the surface of V-type groove array 106 can also be coated with light and expand Shot 107, compared to traditional backlight module, need to be provided with triple diaphragm on conventional light guiding plate exiting surface Structure, the backlight module that the embodiment of the present application provides can avoid light path to need guiding through multi-dielectric, and then permissible The loss effectively reducing light, make backlight module have higher light efficiency, certainly, V-type groove array 106 And light diffusion particle 107 can be formed at the whole exiting surface of light guide plate 101, it is also possible to be formed at aobvious Show that the region that region is corresponding, V-type groove array 106 and light diffusion particle 107 go out light at light guide plate 101 The setting area in face 002 can be arranged in the specific implementation the most flexibly, does not limits at this. In like manner, light diffusion particle 107 can be formed at the whole shady face 001 of light guide plate 101, it is also possible to is formed At the respective regions corresponding with viewing area, can arrange the most flexibly in the specific implementation.
Preferably, in order to improve the utilization rate of light, the shady face 001 of light guide plate 101 is coated with light diffusion grain Son 107.The backlight module that the embodiment of the present application provides, the shady face 001 of light guide plate 101 is coated with light and expands Shot 107, can make light guide plate 101 have the effect of reflector plate, can avoid using traditional backlight mould Reflector plate in group, realizes the slimming of backlight module further.
Preferably, in order to strengthen the utilization rate of light, backlight module is made to have higher brightness when display, recessed The inwall 1031 that groove 103 is relative with side light source 102, and ledge structure 105 and flexible PCB 104 The relative sidewall 1051 of sidepiece arrange and can also be formed with V-type groove array (not shown), V-type The surface coating of groove array can also be coated with light diffusion particle (not shown).Or, groove 103 The inwall 1031 relative with side light source 102, and the sidepiece phase of ledge structure 105 and flexible PCB 104 To sidewall 1051 be formed directly with light diffusion particle 107.
Preferably, in order to make light guide plate 101 have preferable supporting role, the back of the body that the embodiment of the present application provides Light module, the material of its light guide plate 101 is glass.
Seeing Fig. 8, the embodiment of the present application also provides for a kind of liquid crystal display module, carries including the embodiment of the present application The backlight module of confession, also includes display panels, and display panels is arranged at the close of backlight module Exiting surface 002 side;
Display panels includes array base palte 201 and the color membrane substrates 202 being oppositely arranged, wherein, color The one side away from array base palte 201 of film substrate 202 is provided with upper polaroid 203, array base palte 201 One side away from color membrane substrates 202 is provided with lower polaroid 204;
The one side that array base palte 201 is relative with lower polaroid 204 has the overlap overlapping with lower polaroid 204 Region and the non-overlapped region in addition to overlapping region, the Non-overlapping Domain of array base palte 201 is with guide-lighting The end of the exiting surface 002 of plate 101 is pasted with two-sided tape 108, and two-sided tape 108 can be covered with array Part or all of the Non-overlapping Domain of substrate 201.It is being perpendicular to the exiting surface 002 of light guide plate 101 On direction, the projection of two-sided tape 108 covers the projection of side light source 102.
The liquid crystal display module that the embodiment of the present application provides, the Non-overlapping Domain of array base palte 201 and light guide plate The end of the exiting surface 002 of 101 is pasted with two-sided tape 108, on the one hand can make display panels with Backlight module carries out good fixation, on the other hand, can cover side light source 102 at liquid crystal display mode The luminescence of the non-display area of group, it is to avoid affect the display effect of liquid crystal display module.
It should be noted that Fig. 8 is only to show that the backlight module that module has as shown in Figure 6 is illustrated Illustrating, when having enforcement, display module can also have backlight module as shown in Figure 7.Display module When having backlight module as shown in Figure 7, V-type groove array 106 and light diffusion particle 107 can set Put the whole exiting surface 002 at light guide plate 101, V-type groove array 106 and light diffusion particle 107 also The subregion of light guide plate 101 can be arranged on, e.g., the region corresponding with viewing area can be formed at. V-type groove array 106 and light diffusion particle 107 light guide plate 101 exiting surface 002 position is set, Can be configured as required in the specific implementation, do not repeat them here.In like manner, light diffusion particle 107 The whole shady face 001 of light guide plate 101 can be formed at, it is also possible to be formed at the phase corresponding with viewing area Answer region, do not repeat them here.
The embodiment of the present application also provides for a kind of liquid crystal indicator, the liquid crystal provided including the embodiment of the present application Display module panel.
Obviously, those skilled in the art can carry out various change and modification without deviating from this Shen to the application Spirit and scope please.So, if the application these amendment and modification belong to the application claim and Within the scope of its equivalent technologies, then the application is also intended to comprise these change and modification.

Claims (10)

1. a backlight module, including light guide plate and side light source, it is characterised in that
Being provided with groove on the shady face of described light guide plate, remaining at least partially within of described side light source is described In groove.
2. backlight module as claimed in claim 1, it is characterised in that the exiting surface tool of described light guide plate There is V-type groove array.
3. backlight module as claimed in claim 2, it is characterised in that the table of described V-type groove array Topcoating is furnished with light diffusion particle.
4. backlight module as claimed in claim 1, it is characterised in that the backlight topcoating of described light guide plate It is furnished with light diffusion particle.
5. the backlight module as described in claim 3 or 4, it is characterised in that described smooth diffusion particle is Acryl resin.
6. backlight module as claimed in claim 1, it is characterised in that the shady face of described light guide plate is also Being provided with ledge structure, described ledge structure is adjacent with described groove, is used for housing part flexible PCB, So that described side light source is supported fixing by described flexible PCB.
7. backlight module as claimed in claim 6, it is characterised in that described groove and described side light source Relative inwall, and the described ledge structure sidewall relative with the sidepiece of described flexible PCB arrange formation Described V-type groove array, the surface of described V-type groove array is had to be coated with light diffusion particle;Or, The inwall that described groove is relative with described side light source, and the side of described ledge structure and described flexible PCB The relative sidewall in portion is formed with light diffusion particle.
8. backlight module as claimed in claim 1, it is characterised in that described side light source is light-emitting diodes Spot bar or code cathode fluorescent lamp tube.
9. a liquid crystal display module, it is characterised in that include as described in the arbitrary claim of claim 1~8 Backlight module, also include that display panels, described display panels are arranged at described backlight module Near described exiting surface side;
Described display panels includes array base palte and the color membrane substrates being oppositely arranged, wherein, described coloured silk The one side away from described array base palte of film substrate is provided with upper polaroid, described array base palte away from described The one side of color membrane substrates is provided with lower polaroid;
The one side that described array base palte is relative with described lower polaroid has the weight overlapping with described lower polaroid Folded region and the non-overlapped region in addition to described overlapping region, described array base palte described non-overlapped Region is pasted with two-sided tape with the end of the described exiting surface of described light guide plate, is being perpendicular to described light guide plate Direction on, described two-sided tape projection cover described side light source projection.
10. a liquid crystal indicator, it is characterised in that include liquid crystal display as claimed in claim 9 Module.
CN201610395034.4A 2016-06-06 2016-06-06 Backlight module, liquid crystal display module and liquid crystal display device Pending CN105867027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610395034.4A CN105867027A (en) 2016-06-06 2016-06-06 Backlight module, liquid crystal display module and liquid crystal display device

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Application Number Priority Date Filing Date Title
CN201610395034.4A CN105867027A (en) 2016-06-06 2016-06-06 Backlight module, liquid crystal display module and liquid crystal display device

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CN107479487A (en) * 2017-09-16 2017-12-15 南京中高知识产权股份有限公司 Rimless industrial computer and automatic production line
CN107490955A (en) * 2017-09-10 2017-12-19 南京中高知识产权股份有限公司 A kind of intelligent watch
CN107507528A (en) * 2017-09-16 2017-12-22 南京中高知识产权股份有限公司 A kind of ultrathin LED display screen component and preparation method thereof
CN107561768A (en) * 2017-09-10 2018-01-09 南京中高知识产权股份有限公司 A kind of intelligent watch of the display without dead angle
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CN112728456A (en) * 2020-12-31 2021-04-30 深圳创维-Rgb电子有限公司 Screen lighting effect component mounting structure and display device

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