CN104765097A - Light guide structure, backlight module and display device - Google Patents
Light guide structure, backlight module and display device Download PDFInfo
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- CN104765097A CN104765097A CN201510164079.6A CN201510164079A CN104765097A CN 104765097 A CN104765097 A CN 104765097A CN 201510164079 A CN201510164079 A CN 201510164079A CN 104765097 A CN104765097 A CN 104765097A
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- light guide
- guide plate
- light
- guide structure
- scattering
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133611—Direct backlight including means for improving the brightness uniformity
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133615—Edge-illuminating devices, i.e. illuminating from the side
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL 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
- G02F1/00—Devices 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
- G02F1/01—Devices 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
- G02F1/13—Devices 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
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct 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)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a light guide structure, a backlight module and a display device in order to solve the problem that the display device is uneven in luminance due to the fact that shadows are formed at splicing portions of light guide plates after multiple light guide plates are spliced. The light guide structure comprises a plurality of mutually spliced light guide plates, and the side face, serving as a splicing face, of each light guide plate is provided with a light scattering structure. According to the light guide structure, the backlight module and the display device, the light scattering structures are arranged on the splicing faces of the light guide plates, so light in the light guide plates can be scattered at the splicing portions, furthermore, the luminance at the splicing portions is improved, and shadows formed at splicing portions of the light guide plates can be avoided; when the light guide structure is applied to the display device, the luminance of the display device is even.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of light guide structure, backlight module and display device.
Background technology
Liquid crystal display (Liquid Crystal Display, LCD) be utilize the characteristic of liquid crystal material to show a kind of panel display apparatus (Flat Panel Display of image, FPD), frivolous, the advantage such as low driving voltage and low-power consumption of tool.
The liquid crystal material of liquid crystal display cannot, from main light emission, must provide backlight module to provide required light source.Generally speaking, backlight module can be divided into side entrance back module and down straight aphototropism mode set two kinds of forms; And down straight aphototropism mode set needs to have certain light mixing distance, therefore adopt the thickness of the liquid crystal display of down straight aphototropism mode set undesirable; The side of light source by light guide plate is injected by side entrance back module, does not relate to the problem of light mixing distance, and therefore based on the consideration of liquid crystal display slimming, present technology adopts side entrance back module usually.
Shown in Figure 1, be a kind of partial sectional view of existing side entrance back module.Side entrance back module 90 comprises backboard 91, and at least one side of described backboard 91 is provided with at least one sidewall portion 911, and described backboard 91 central authorities carrying light guide plate 92.Described light guide plate 92 is provided with optical diaphragm group 93, separately has glue frame 94 to be coated on the outer rim of described backboard 91, and fixing described optical diaphragm group 93 from top to bottom and described light guide plate 92 are to form described side entrance back module 90.In addition, described at least one sidewall portion 911 inside surface of the described backboard 91 of described side entrance back module 90 is provided with at least one luminescence unit 95, described luminescence unit 95 can be a kind of light emitting diode (Light Emitting Diode, LED) light-emitting device, and its light source direction points to described light guide plate 92.Described luminescence unit 95 is generally fixed in described sidewall portion 911 by modes such as screw locking or heat conduction tape-strippings.Moreover, fold on described side entrance back module 90 and establish a liquid crystal panel 80 (as shown in phantom), and the coated and fixing described liquid crystal panel 80 of shell 70 (as shown in phantom) and described side entrance back module 90 in addition again, namely forms liquid crystal display (sign).
Along with the size of display device is increasing, the size of light guide plate also corresponding increase in backlight module, and large-size light-conducting plate is difficult to preparation, the especially large-size light-conducting plate of curved surface.In order to address this problem, the mode adopting multiple small size light guide plate to splice in prior art is to realize the light guide structure of large scale or oversize.But, when being spliced to form a light guide structure with multiple light guide plate, can shadow be formed in the stitching portion of each light guide plate, make piece visible, cause the brightness irregularities of display device.
Summary of the invention
The object of this invention is to provide a kind of light guide structure, backlight module and display device, after solving the splicing of multiple light guide plate, the stitching portion of adjacent light guide plate forms shadow, causes the problem of the brightness irregularities of display device.
The object of the invention is to be achieved through the following technical solutions:
The embodiment of the present invention provides a kind of light guide structure, comprises multiple light guide plate of mutually splicing, light guide plate described in each be provided with light scattering structure as on the side of Mosaic face.
In the present embodiment, at the Mosaic face of each described light guide plate of described light guide structure, light scattering structure is set, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
Preferably, light guide plate described in each is a row or parallel two row's arrangements using line direction or column direction as arragement direction, light guide plate described in each along at least one side that described arragement direction extends as incidence surface.In the present embodiment, described light guide plate is a row or parallel two row's arrangements, is convenient to arrange light source, makes light guide plate described in each all have light source to provide light.
Preferably, described light scattering structure comprises multiple light scattering site.In the present embodiment, the mode of light scattering site can be adopted to form described light scattering structure, technique is simple, be convenient to realize and cost is lower.
Preferably, along the direction away from the incidence surface of described light guide plate, the distribution density of described light scattering site on the Mosaic face of described light guide plate increases gradually.In the present embodiment, the light that light source provides has different intensity at the diverse location of described light guide plate, by arranging the distribution density at diverse location place on the Mosaic face of described light guide plate, described light scattering site, make described light scattering site to brightness uniformity after the scattering of the light that light source provides.
Preferably, described light scattering structure is light-scattering film.In the present embodiment, the mode of light-scattering film can be adopted to form described light scattering structure, technique is simple, be convenient to realize and cost is lower.
Preferably, described light scattering structure comprises multiple lug boss or depressed part.In the present embodiment, the mode of lug boss or depressed part can be adopted to form described light scattering structure, there is good dispersion effect.
Preferably, described lug boss is a part for spheroid, of pyramid or an ellipsoidal part, and described depressed part is a part for a part for sphere, of pyramidal surface or elliptical area.
Preferably, setting position described lug boss and described depressed part one to one respectively on adjacent two Mosaic faces belonging to two described light guide plate respectively, and described lug boss extends in described depressed part.In the present embodiment, adopt the mode of lug boss or depressed part to form described light scattering structure, there is good dispersion effect; And the light scattering structure of adjacent described light guide plate cooperatively interacts, and can play position-limiting action, two adjacent described light guide plate are avoided to be shifted in stitching portion.
Preferably, along the direction away from the incidence surface of described light guide plate, described lug boss or the described depressed part distribution density on the Mosaic face of described light guide plate increases gradually.In the present embodiment, the light that light source provides has different intensity at the diverse location of described light guide plate, by arranging the distribution density at described lug boss or described depressed part diverse location place on the Mosaic face of described light guide plate, make described lug boss or described depressed part to brightness uniformity after the scattering of the light that light source provides.
Preferably, described light guide plate is curved-surface structure, and each described light guide plate is spliced into described light guide structure by the curvature of regulation.In the present embodiment, described light guide plate is curved-surface structure, and the described light guide plate of each curved-surface structure can be spliced into the described light guide structure of curved-surface structure flexibly with the curvature of regulation, reduce the preparation difficulty of curved surface light guide structure.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each described light guide plate of described light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
The embodiment of the present invention provides a kind of backlight module, and comprise the described light guide structure that light source and above-described embodiment provide, the light incident direction of described light source is parallel to the Mosaic face of light guide plate described in each in described light guide structure.
Preferably, also comprise reflecting plate, described reflecting plate is arranged at the below of described light guide structure.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each described light guide plate of described light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
The embodiment of the present invention provides a kind of display device, comprise as above-described embodiment provide as described in backlight module.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each described light guide plate of described light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of existing guide-lighting module in the art;
The schematic top plan view of the light guide structure that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the structural representation of light guide plate in the embodiment of the present invention;
Fig. 4 is that in the embodiment of the present invention, light guide structure comprises row's light guide plate, and only a side of light guide plate is the structural representation of incidence surface;
Fig. 5 is that in the embodiment of the present invention, light guide structure comprises two row's light guide plate, and only a side of light guide plate is the structural representation of incidence surface;
Fig. 6 is that in the embodiment of the present invention, light guide structure comprises row's light guide plate, and the two sides of light guide plate are the structural representation of incidence surface;
The schematic top plan view of the light guide plate that Fig. 7 provides for the embodiment of the present invention;
The schematic perspective view of the light guide structure of the planar structure that Fig. 8 provides for the embodiment of the present invention;
The schematic perspective view of the light guide structure of the curved-surface structure that Fig. 9 provides for the embodiment of the present invention;
The structural representation of the guide-lighting module that Figure 10 provides for the embodiment of the present invention.
Embodiment
Be described in detail below in conjunction with the implementation procedure of Figure of description to the embodiment of the present invention.It should be noted that same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
See Fig. 2 and Fig. 3, the embodiment of the present invention provides a kind of light guide structure 100, comprises multiple light guide plate 1 of splicing mutually, the side as Mosaic face 2 of each light guide plate 1 is provided with light scattering structure 3.
In the present embodiment, at the Mosaic face 2 of each light guide plate 1 of light guide structure 100, light scattering structure 3 is set, thus the light in light guide plate 1 is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate 1 is avoided to form shadow, when making light guide structure 100 be applied to display device, the brightness uniformity of display device.
It should be noted that, because large-sized light guide structure 100 needs most block light guide plate 1 to splice, therefore will consider the offering question of light source.Such as, most light guide plate 1 are arranged with the formation of matrix, when certain light guide plate 1 surround by other light guide plate 1 time, obviously for besieged light guide plate 1 provides light source to there is difficulty.Certainly, light source can be set by arranging the groove that is inwardly recessed at the incidence surface of light guide plate 1 or making side, incidence surface place remove a part, but the complicacy of preparation and assembling can be increased.Therefore, lower in order to obtain cost, be easier to the light guide structure 100 assembled, preferably, each light guide plate 1 is a row or parallel two row's arrangements using line direction or column direction as arragement direction, each light guide plate 1 along at least one side that arragement direction extends as incidence surface 4.The schematic diagram of light guide plate 1 in several rows of cloth as shown in Figure 4, light guide structure 100 comprises multiple light guide plate 1 of splicing mutually, and the side as Mosaic face 2 of each light guide plate 1 is provided with light scattering structure 3, and the side as incidence surface 4 can arrange light source 5.Certainly, on the substrate of the light guide structure 100 shown in Fig. 4, also modification can obtain the light guide structure shown in Fig. 6, the light guide structure difference shown in the light guide structure shown in Fig. 6 and Fig. 4 is, each light guide plate 1 has two incidence surfaces 4, arranges light source 5 respectively.Light guide plate 1 is as shown in Figure 5 in the schematic diagram of two row's arrangements, light guide structure 100 comprise multiple light guide plate 1 of mutually splicing and each light guide plate 1 in two row rows by, the side as Mosaic face 2 of each light guide plate 1 is provided with light scattering structure 3, and the side as incidence surface 4 can arrange light source 5.In the present embodiment, light guide plate 1 arranges arrangement in a row or parallel two, is convenient to arrange light source 5, makes each light guide plate 1 all have light source 5 to provide light.
Light scattering structure 3 can adopt implemented in many forms, and the light guide plate 1 shown in composition graphs 3 and the light guide structure shown in Fig. 4 to Fig. 6 100, illustrate as follows to light scattering structure 3:
Such as, light scattering structure 3 can be multiple light scattering sites, and this light scattering site can adopt the technique preparations such as printing, coating, or directly forms nanometer site as light scattering site at Mosaic face 2.In the present embodiment, the mode of light scattering site can be adopted to form light scattering structure 3, technique is simple, be convenient to realize and cost is lower.Further, along the direction away from the incidence surface 4 of light guide plate 1, the distribution density of light scattering site on the Mosaic face 2 of light guide plate 1 increases gradually.In the present embodiment, the light that light source provides has different intensity at the diverse location of light guide plate 1, by arranging the distribution density at diverse location place on the Mosaic face 2 of light guide plate 1, light scattering site, make light scattering site to brightness uniformity after the scattering of the light that light source 5 provides.
Again such as, light scattering structure 3 is light-scattering film.Normal light scattering film has some scattering particles, and scattering particle carries out scattering to light, and light-scattering film also can by technique preparations such as printing, coatings.In the present embodiment, the mode of light-scattering film can be adopted to form light scattering structure 3, technique is simple, be convenient to realize and cost is lower.
Again such as, light scattering structure 3 can be multiple lug boss or depressed part composition.This lug boss or depressed part can be prepare with light guide plate 1 integral forming process, also can be formed by other technique on the basis of light guide plate 1.Lug boss is a part for spheroid, of pyramid or an ellipsoidal part, and depressed part is a part for a part for sphere, of pyramidal surface or elliptical area.In the present embodiment, the mode of lug boss or depressed part can be adopted to form light scattering structure 3, there is good dispersion effect.
Need to illustrate, light scattering structure 3 be multiple lug boss or depressed part time, adjacent two Mosaic faces 2 belonging to two light guide plate 1 respectively distinguish setting position lug boss and depressed part one to one, and lug boss extends in depressed part.In the present embodiment, adopt the mode of lug boss or depressed part to form light scattering structure 3, there is good dispersion effect; And the light scattering structure 3 of adjacent light guide plate 1 cooperatively interacts, and can play position-limiting action, two adjacent light guide plate 1 are avoided to be shifted in stitching portion.
Preferably, along the direction away from the incidence surface 4 of light guide plate 1, lug boss or the distribution density of depressed part on the Mosaic face 2 of light guide plate 1 increase gradually.In the present embodiment, the light that light source 5 provides has different intensity at the diverse location of light guide plate 1, by arranging the distribution density at lug boss or depressed part diverse location place on the Mosaic face 2 of light guide plate 1, make lug boss or depressed part to brightness uniformity after the scattering of the light that light source 5 provides.
The vertical view of light guide plate 1 as shown in Figure 7, multiple depressed part is comprised for light scattering structure 3, the distribution density of each depressed part on Mosaic face can be uneven, increases gradually along the distribution density of direction depressed part on Mosaic face 2 away from the incidence surface 4 of light guide plate 1.
Described light guide plate 1 can planar structure, also can be curved-surface structure.When described light guide plate 1 is curved-surface structure, each described light guide plate 1 is spliced into described light guide structure 100 by the curvature of regulation.In the present embodiment, when described light guide plate 1 is curved-surface structure, the described light guide plate 1 of each curved-surface structure can be spliced into the described light guide structure 100 of curved-surface structure flexibly with the curvature of regulation, reduce the preparation difficulty of curved surface light guide structure.Concrete, can see the schematic perspective view of the light guide structure 100 of the planar structure shown in Fig. 8, and the schematic perspective view of the light guide structure 100 of the curved-surface structure shown in Fig. 9, Reference numeral and Fig. 2 to Fig. 6 have identical meanings, do not repeat them here.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each light guide plate of light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
See Figure 10, the embodiment of the present invention provides a kind of backlight module 200, comprise the light guide structure 100 that light source 5 and above-described embodiment provide, light source 5 is arranged at incidence surface 4 side of light guide plate 1, and the light incident direction of light source 5 is parallel to the Mosaic face 2 of each light guide plate 1 in light guide structure 100.
Preferably, also comprise reflecting plate 6, reflecting plate 6 is arranged at the below of light guide structure 100.
The present embodiment adopts the light guide structure 100 of the planar structure shown in Fig. 8 to be described for example, adopts the backlight module of the light guide structure 100 of curved-surface structure similar to it, do not repeat them here.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each light guide plate of light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
The embodiment of the present invention provides a kind of display device, comprises the backlight module as above-described embodiment provides.
Embodiment of the present invention beneficial effect is as follows: arrange light scattering structure at the Mosaic face of each light guide plate of light guide structure, thus the light in light guide plate is scattered in stitching portion, thus improve the brightness of stitching portion, the stitching portion of adjacent light guide plate is avoided to form shadow, when making light guide structure be applied to display device, the brightness uniformity of display device.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. a light guide structure, comprises multiple light guide plate of mutually splicing, it is characterized in that, light guide plate described in each be provided with light scattering structure as on the side of Mosaic face.
2. light guide structure as claimed in claim 1, it is characterized in that, light guide plate described in each is a row or parallel two row's arrangements using line direction or column direction as arragement direction, light guide plate described in each along at least one side that described arragement direction extends as incidence surface.
3. light guide structure as claimed in claim 1, it is characterized in that, described light scattering structure comprises multiple light scattering site.
4. light guide structure as claimed in claim 3, is characterized in that, along the direction away from the incidence surface of described light guide plate, the distribution density of described light scattering site on the Mosaic face of described light guide plate increases gradually.
5. light guide structure as claimed in claim 1, it is characterized in that, described light scattering structure is light-scattering film.
6. light guide structure as claimed in claim 1, it is characterized in that, described light scattering structure comprises multiple lug boss or depressed part.
7. light guide structure as claimed in claim 6, it is characterized in that, described lug boss is a part for spheroid, of pyramid or an ellipsoidal part, and described depressed part is a part for a part for sphere, of pyramidal surface or elliptical area.
8. light guide structure as claimed in claim 7, is characterized in that, setting position described lug boss and described depressed part one to one respectively on adjacent two Mosaic faces belonging to two described light guide plate respectively, and described lug boss extends in described depressed part.
9. light guide structure as claimed in claim 6, is characterized in that, along the direction away from the incidence surface of described light guide plate, described lug boss or the described depressed part distribution density on the Mosaic face of described light guide plate increases gradually.
10. the light guide structure as described in any one of claim 1 to 9, is characterized in that, described light guide plate is curved-surface structure, and each described light guide plate is spliced into described light guide structure by the curvature of regulation.
11. 1 kinds of backlight modules, comprise light source, and characterized by further comprising as right wants as described in 1 to 10 any one light guide structure, the light incident direction of described light source is parallel to the Mosaic face of light guide plate described in each in described light guide structure.
12. backlight modules as claimed in claim 11, it is characterized in that, also comprise reflecting plate, described reflecting plate is arranged at the below of described light guide structure.
13. 1 kinds of display device, is characterized in that, comprise the backlight module as described in claim 11 or 12.
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| CN201510164079.6A CN104765097A (en) | 2015-04-08 | 2015-04-08 | Light guide structure, backlight module and display device |
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| CN201510164079.6A CN104765097A (en) | 2015-04-08 | 2015-04-08 | Light guide structure, backlight module and display device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105005110A (en) * | 2015-07-17 | 2015-10-28 | 康佳集团股份有限公司 | Quantum dot light guide plate, backlight module, and liquid crystal television |
| WO2016197394A1 (en) * | 2015-06-09 | 2016-12-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| CN108227308A (en) * | 2018-01-31 | 2018-06-29 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN108227066A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of light guide plate assembly, backlight and display device |
| CN108873482A (en) * | 2018-08-16 | 2018-11-23 | 惠州市华星光电技术有限公司 | splicing display device |
| CN108983345A (en) * | 2018-07-18 | 2018-12-11 | 惠州市华星光电技术有限公司 | Backlight module and its leaded light device |
| CN110703495A (en) * | 2019-09-17 | 2020-01-17 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2021238533A1 (en) * | 2020-05-28 | 2021-12-02 | 京东方科技集团股份有限公司 | Backlight lamp panel, backlight module, and liquid crystal display |
| CN114578617A (en) * | 2022-02-28 | 2022-06-03 | 惠州华星光电显示有限公司 | Backlight module and display device |
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| WO2016197394A1 (en) * | 2015-06-09 | 2016-12-15 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display device |
| US10267978B2 (en) | 2015-06-09 | 2019-04-23 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Backlight module and liquid crystal display device |
| CN105005110A (en) * | 2015-07-17 | 2015-10-28 | 康佳集团股份有限公司 | Quantum dot light guide plate, backlight module, and liquid crystal television |
| CN108227066A (en) * | 2018-01-03 | 2018-06-29 | 京东方科技集团股份有限公司 | A kind of light guide plate assembly, backlight and display device |
| US10690833B2 (en) | 2018-01-03 | 2020-06-23 | Boe Technology Group Co., Ltd. | Light guide plate assembly, backlight source and display device |
| CN108227308A (en) * | 2018-01-31 | 2018-06-29 | 惠州市华星光电技术有限公司 | Backlight module and display device |
| CN108983345A (en) * | 2018-07-18 | 2018-12-11 | 惠州市华星光电技术有限公司 | Backlight module and its leaded light device |
| CN108873482A (en) * | 2018-08-16 | 2018-11-23 | 惠州市华星光电技术有限公司 | splicing display device |
| CN110703495A (en) * | 2019-09-17 | 2020-01-17 | 武汉华星光电技术有限公司 | Backlight module and display device |
| CN110703495B (en) * | 2019-09-17 | 2022-05-31 | 武汉华星光电技术有限公司 | Backlight module and display device |
| WO2021238533A1 (en) * | 2020-05-28 | 2021-12-02 | 京东方科技集团股份有限公司 | Backlight lamp panel, backlight module, and liquid crystal display |
| US11762237B2 (en) | 2020-05-28 | 2023-09-19 | Boe Technology Group Co., Ltd. | Backlight lamp panel, backlight module, and liquid crystal display |
| CN114578617A (en) * | 2022-02-28 | 2022-06-03 | 惠州华星光电显示有限公司 | Backlight module and display device |
| CN114578617B (en) * | 2022-02-28 | 2023-10-13 | 惠州华星光电显示有限公司 | Backlight module and display device |
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