CN208689326U - A kind of backlight module and display panel - Google Patents
A kind of backlight module and display panel Download PDFInfo
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- CN208689326U CN208689326U CN201821019992.2U CN201821019992U CN208689326U CN 208689326 U CN208689326 U CN 208689326U CN 201821019992 U CN201821019992 U CN 201821019992U CN 208689326 U CN208689326 U CN 208689326U
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- backlight
- guide plate
- light
- light guide
- separator
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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
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight module and display panel, which includes: light guide plate；Backlight is equipped with the light guide plate；Backboard, for carrying the light guide plate and backlight；The light guide plate includes: at least two pieces guide-lighting blocks, at least one separator, the separator is arranged between an at least adjacent surface for the adjacent two pieces guide-lighting blocks, for separating the guide-lighting block.The light guide plate of the utility model can be used for the panel of local display, cooperate the local switch of backlight, may be implemented in local display, reduce the effect of unit work consumptiom under the conditions of same display brightness, realize the purpose of green energy conservation.
Description
Technical field
The utility model relates to field of display technology more particularly to a kind of backlight modules and display panel.
Background technique
It is formed with the development of science and technology with progress, liquid crystal display due to having thin fuselage, power saving and the low hot spot of radiation
For the main product of display, have become the important display platform of present IT, video product.
Currently, LCD TV using more and more extensive, occupy more and more important position in people's daily life,
And the energy of its consumption also has attracted more and more attention from people.Therefore, each TV, computer, liquid crystal manufacturer all put into greatly
Material resources, manpower, financial resources increase research and development strength go reduce power consumption, from technology trends for, how to reduce the power consumption of backlight
Most attract attention.Because backlight is the largest energy depleter, the power consumption of backlight is reduced, complete machine is also greatly lowered
Power consumption.Technology among these includes the driving circuit for improving backlight, improves the luminous efficiency of LED, develops new LED kind,
Currently, Local Dimming (local backlight adjusting) is most readily achieved in these technologies, the most apparent technology of effect.
But existing local backlight regulation scheme, mainly reach the mesh of local display by adjusting liquid crystal shutter
, the switch of backlight is not controlled, thus power consumption can not be significantly reduced；Or even by the LED light number for reducing backlight lightening
It measures to have achieved the purpose that reduce power consumption, there is also the dimmed problems of brightness.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of can exist
When local display, the backlight module and display panel of unit work consumptiom under the conditions of same display brightness are reduced.
To achieve the above object, the utility model provides a kind of backlight module, comprising:
Light guide plate；
Backlight is equipped with the light guide plate；
Backboard, for carrying the light guide plate and backlight；
Glue frame, for being equipped with the backboard；
The light guide plate includes:
At least two pieces guide-lighting blocks,
At least one separator, the separator are arranged between an at least adjacent surface for the adjacent two pieces guide-lighting blocks,
For separating the guide-lighting block.
Optionally, the separator is arranged between the upper top surface of the light guide plate and bottom surface, and with the upper top surface
It is obliquely installed with bottom surface in 30 degree to 60 degree angles, and the perspective plane of the separator and the guide-lighting block in the horizontal direction
It is completely overlapped.
Optionally, the first surface and second surface of the separator are coated respectively with reflecting material or light screening material；
The upper end of the separator is flushed with the upper top surface of the light guide plate, the lower end of the separator and the light guide plate
Bottom surface flush.In the present embodiment, which can be reflector plate, and at least side is coated with reflecting material,
Simply coated there can also be light screening material, the barn door for preventing optical crosstalk is made, if this light screening material can be realized diffusing reflection,
When can increase local display by a small margin, the brightness of regional area, if reflector plate, then can increase by a relatively large margin it is locally aobvious
Show brightness；When the separator is reflector plate, which can be aluminium reflector plate, be also possible to two-sided silver-colored reflector plate, can
It is light-exposed near infrared spectral range, argentum reflecting layer is that reflectivity is highest in all metallic reflectors.Due to aluminium, silver, copper etc.
Material is easy to aoxidize and reduce performance in air, which can be protected using dielectric film, commonly uses
Protective coatings have silicon monoxide, magnesium fluoride, silica, aluminum oxide etc.；In addition, the two-sided silver-colored reflector plate is set as
Upper end is flushed with the upper top surface of light guide plate, and lower end is flushed with the bottom surface of light guide plate, then is in order to completely by each guide-lighting block
The completely isolated of light is carried out, is avoided in local display, the light for putting bright area is gone in non-lit up region, and brightness is caused to become
Dark problem.
Optionally, the separator is that first surface and second surface are coated with the two-sided silver of silver-colored reflecting material instead
Piece is penetrated, is arranged between the upper top surface of the light guide plate and bottom surface, and is in 30 degree to 60 degree with the upper top surface and bottom surface
Angle is obliquely installed.In the present embodiment, more specifically, which is double-sided reflecting piece；The two-sided silver-colored reflector plate
The junction of guide-lighting block can be inclined to 60 degree in 30 degree, optionally, which is arranged in 45 degree of angles,
Particularly, for side-light backlight, the light of irradiation thereon preferably can be gone out light to light guide plate by upper surface
Face guidance；And the lower surface of two-sided silver-colored reflector plate, then the light of irradiation thereon can be reflected into guide-lighting block, so as to guide-lighting block
Light is oriented to light-emitting surface；In addition, when the two-sided silver-colored reflector plate is in 45 degree of angles, on the two-sided silver-colored reflector plate upper end and light guide plate
In the case that top surface flushes, the contact surface of top surface is minimum on the reflector plate and light guide plate, can be to avoid because of two-sided silver-colored reflector plate
It is arranged and occurs the possibility of bar shaped concealed wire.
Optionally, the guide-lighting block further include:
The lower part for the two-sided silver-colored reflector plate being obliquely installed is arranged in light source reserved place；
The light source reserved place includes lamp holder and the lamp position for installing backlight, and the upper surface of the lamp holder is led with described
The bottom surface of tabula rasa flushes setting；
The backlight is arranged at the light source reserved place.In the present embodiment, specifically, the light source reserved place includes
Lamp holder and lamp position for installing backlight, the upper surface of the lamp holder should actually flush setting with the bottom surface of light guide plate,
In this way, the problem of backlight is just not in, and light is from the lower end oblique fire of two-sided silver-colored reflector plate to non-lit up region, can incite somebody to action
The light of the corresponding backlight of each leaded light block is convergent in corresponding guide-lighting block and regional area, when reducing local display, point
The problem of backlight waste of bright area；In addition, the light source reserved place belongs to the set-up mode of substantive side-light backlight, this 45
The light of light source at light source reserved place is reflected into guide-lighting block by the lower surface for spending the two-sided silver-colored reflector plate being obliquely installed, meanwhile,
Due to being obliquely installed, light source reserved place is sheltered from, avoids the setting because of the backlight at light source reserved place, and causes backlight
The problem of source local luminance unevenness.
Optionally, the light guide plate and separator are integrally formed.In the present embodiment, the light guide plate and separator are one
Molding ground, when making light guide plate, is placed in separator in light guide plate, and light guide plate is divided into guide-lighting and backlight and controls phase
Mutual independent multiple regions；Specifically, it is also necessary to reserve light source reserved place in the region interval of light guide plate.
Optionally, the guide-lighting block independently forms, multiple guide-lighting block splicing compositions light guide plate, and described point
The junction of leaded light block described in every two is arranged in spacing body.In the present embodiment, which is independently molding, molding
Assembled light guide plate afterwards, and the junction between guide-lighting block is just arranged in separator.
Optionally, it is arranged in a crossed manner in the horizontal and vertical direction of the light guide plate to extend through the light guide plate for the separator
There are two groups, separator described in two groups will be divided into 3*3 totally nine pieces of guide-lighting blocks between the light guide plate；
The guide-lighting block is located in the middle not to be connected to the outer surface of the light guide plate.In the present embodiment, each lead
Light block can be same size, be also possible to it is different size of, it is true with specific reference to the concrete condition of light guide plate and display panel
It is fixed；In addition, one of them of the guide-lighting block of the utility model can be the middle part that entire display area is arranged in, with display area
The outer surface of four sides light guide plate in other words is not directly contacted with, and the display panel can be side-light backlight panel.
Optionally, the backlight includes the first backlight and the second backlight；
First backlight includes:
First sub-light source is arranged on side wall of the backboard relative to the light guide plate；
Second sub-light source is arranged at the light source reserved place；
Second backlight is evenly spaced in the incidence surface of the light guide plate.In the present embodiment, specifically, first back
Light source, that is, side-edge type backlight, and second backlight, that is, direct-light-type backlight；Optionally, which can be only arranged
It is uniformly distributed multiple in a side of the light guide plate, it is also possible to that the two sides of light guide plate are arranged in, it is uniformly distributed multiple；Separately
Outside, second sub-light source, at the reserved place of the light source, the junction along every two pieces guide-lighting blocks is uniformly distributed multiple for setting.
The invention also discloses a kind of display panels, comprising: as the utility model it is any disclosed in backlight module, with
And display module and front frame；
The backlight module, display module and front frame assemble to form the display panel.
The light guide plate of the utility model is split as at least two pieces guide-lighting blocks by separator interval, and each leaded light block will be right
It should be controlled respectively in the backlight in a display area of display interface, each leaded light block region, in this way, when only needing to light
When one of display area, it can correspond to and close the backlight of other display areas；And due to the presence of the separator,
The light of backlight in display area can be good at being convergent in corresponding guide-lighting block and display area, be not in because of backlight
The problem of light in source is irradiated to non-lit up guide-lighting block and display area and the brightness in display area is caused to be substantially reduced；Separately
Outside, which is reflector plate, in this way, in each leaded light block, if corresponding backlight is wanted by separator to non-lit up aobvious
When showing regional diffusion, which can reflect back into this some light in corresponding guide-lighting block and display area, reduce
The problem of loss of light is reduced in back light source brightness constant situation, and display area brightness reduces；Certainly, the separator is not
It is that reflector plate is also possible, even diffusing reflection, which can also collect a part of light, returns to corresponding guide-lighting block and viewing area
In domain, only effect is good not as reflector plate, but in selection, scope of selecting material is wider, easily choose it is applicable it is low at
This material.
Detailed description of the invention
Included attached drawing is used to provide that a further understanding of the embodiments of the present application, and which constitute one of specification
Point, for illustrating presently filed embodiment, and with verbal description come together to illustrate the principle of the application.Under it should be evident that
Attached drawing in the description of face is only some embodiments of the present application, for those of ordinary skill in the art, is not paying wound
Under the premise of the property made is laborious, it is also possible to obtain other drawings based on these drawings.In the accompanying drawings:
Fig. 1 is a kind of schematic diagram of backlight module of the utility model；
Fig. 2 is a kind of schematic diagram of display panel of the utility model.
Specific embodiment
Specific structure and function details disclosed herein are only representative, and are for describing the utility model
Exemplary embodiment purpose.But the utility model can be implemented by many alternative forms, and should not
It is construed as being limited only by the embodiments set forth herein.
In the description of the present invention, it should be understood that term " center ", " transverse direction ", "upper", "lower", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " multiple "
It is two or more.In addition, term " includes " and its any deformation, it is intended that cover and non-exclusive include.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Term used herein above is not intended to limit exemplary embodiment just for the sake of description specific embodiment.Unless
Context clearly refers else, otherwise singular used herein above "one", " one " also attempt to include plural number.Also answer
When understanding, term " includes " and/or "comprising" used herein above provide stated feature, integer, step, operation,
The presence of unit and/or component, and do not preclude the presence or addition of other one or more features, integer, step, operation, unit,
Component and/or combination thereof.
The similar unit of structure is to be given the same reference numerals in the figure.
Local display technology is a kind of technology being widely noticed at present, and each TV, computer, liquid crystal producer are directed to local back
The technology that light is adjusted has carried out various trials.
Wherein, there is pure local display technology, i.e., switch and brightness regulation are not carried out to backlight, at least control liquid crystal surface
The overturning of plate, to achieve the purpose that local display, but such way, actually due to accounting for the backlight power consumption of major part without real
Border is reduced, thus is unable to reach the apparent purpose for reducing power consumption, cannot achieve green energy conservation.
Secondly, be Local Dimming (local backlight adjusting), Local Dimming be in local display technology most
It is easily achieved, the most apparent technology of effect.Specifically, mark off multiple display areas, when only needing a portion aobvious
When showing that region is lighted, the backlight in the region is constant, and the backlight in other regions is closed, and so just can reach local display
Purpose, while can achieve the purpose that reduce power consumption.But in practical application, due to electric bright area backlight, in fact very
Most light can be diffused into non-lit up region, so that under backlight equivalent brightness is adjusted, after local display, local display
The brightness in region can be decreased obviously.In order to solve this problem, so that when local display, brightness when display brightness and full screen display
Quite, technical staff figure out thousand and one way, such as the backlight in non-lit up region is not closed, and only do dimmed processing or non-point
Bright area is still lighted close to one week backlight of point bright area, to reach the backlight compensation point bright area back by non-lit up region
The effect of brightness；For another example being diffused into the light in non-lit up region to compensate by the brightness for improving point bright area and maintaining
The purpose of brightness inconvenience.
But above-mentioned technical solution, actually the case where not changing display brightness and not changing liquid crystal overturning control
Under, when existing scheme local display, the case where unit work consumptiom needed is above full screen display.
Fig. 1 is a kind of schematic diagram of backlight module of the utility model, with reference to Fig. 1 it is found that the utility model provides one kind
Backlight module, comprising:
Include:
Light guide plate 10；
Optical diaphragm 20 is arranged in 10 light-emitting surface of light guide plate；
Backlight is equipped with the light guide plate 10；
Backboard 40, for carrying the light guide plate 10 and backlight；
Glue frame 50, for being equipped with the backboard 40；
The light guide plate 10 includes:
At least two pieces guide-lighting blocks 12,
An at least adjacent surface for the adjacent two pieces guide-lighting blocks 12 is arranged at least one separator 11, the separator 11
Between, for separating the guide-lighting block 12.
Wherein, which can be made of optical grade acryl plates or PC material, can also use other materials
Material is made, and the light guide plate can be used for converting area source for the light of backlight, is also used as him and uses.
Wherein, the backboard can be it is practical significance, corresponding there are the backboards of entity, led there are corresponding for carrying this
The carrier of tabula rasa and backlight, but if the LED light of the backlight is arranged in the light guide plate, then the backboard is then the leaded light
Plate plays the part plate body (i.e. the backboard not practical there are a corresponding back board structures) of carrying effect.Similarly, which can
To be that there are the glue frames of entity on practical significance, correspondence, the backboard is fixed for cooperating, there are a backboard knots if not practical
Practical corresponding structure may be not present then the glue frame is also possible to a virtual component in structure.Again similarly, the optical diaphragm
There may be individual structures, are used for uniform light, and converge the effects of wide-angle light is observed for front, if but light guide plate
If developing to the effects of just capable of capable of completing uniform light without the optical diaphragm, which not practical can exist
One corresponding structure.
The light guide plate of the utility model is split as at least two pieces guide-lighting blocks by separator interval, and each leaded light block will be right
It should be controlled respectively in the backlight in a display area of display interface, each leaded light block region, in this way, when only needing to light
When one of display area, it can correspond to and close the backlight of other display areas；And due to the presence of the separator,
The light of backlight in display area can be good at being convergent in corresponding guide-lighting block and display area, be not in because of backlight
The problem of light in source is irradiated to non-lit up guide-lighting block and display area and the brightness in display area is caused to be substantially reduced；Separately
Outside, which is reflector plate, in this way, in each leaded light block, if corresponding backlight is wanted by separator to non-lit up aobvious
When showing regional diffusion, which can reflect back into this some light in corresponding guide-lighting block and display area, reduce
The problem of loss of light is reduced in back light source brightness constant situation, and display area brightness reduces；Certainly, the separator is not
It is that reflector plate is also possible, even diffusing reflection, which can also collect a part of light, returns to corresponding guide-lighting block and viewing area
In domain, only effect is good not as reflector plate, but in selection, scope of selecting material is wider, easily choose it is applicable it is low at
This material.
The present embodiment is optional, and the separator 11 is arranged between the upper top surface of the light guide plate and bottom surface, and with
The upper top surface and bottom surface are obliquely installed in 30 degree to 60 degree angles, and the separator 11 and the guide-lighting block 12 are in level
Perspective plane on direction is completely overlapped.
The present embodiment is optional, the first surface and second surface of the separator 11 be coated respectively with reflecting material or
Light screening material；
The upper end of the separator 11 is flushed with the upper top surface of the light guide plate 10, the lower end of the separator 11 and institute
The bottom surface for stating light guide plate 10 flushes.In the present embodiment, which can be reflector plate, can also be shading
Material is made, and prevents the barn door of optical crosstalk, if this light screening material can be realized diffusing reflection, it is aobvious can to increase part by a small margin
When showing, the brightness of regional area then being capable of increase local display brightness by a relatively large margin if reflector plate；When the separator is
When reflector plate, which can be aluminium reflector plate, be also possible to for two-sided silver-colored reflector plate, in visible light near infrared spectrum model
In enclosing, argentum reflecting layer is that reflectivity is highest in all metallic reflectors.Since the materials such as aluminium, silver, copper are easy in air
It aoxidizes and reduces performance, which can be protected using dielectric film, and common Protective coatings have an oxygen
SiClx, magnesium fluoride, silica, aluminum oxide etc.；In addition, the two-sided silver-colored reflector plate is set as the upper top of upper end and light guide plate
Face flushes, and lower end is flushed with the bottom surface of light guide plate, then be in order to which each guide-lighting block is completely carried out the completely isolated of light,
It avoids in local display, the light for putting bright area is gone in non-lit up region, and the problem that brightness is dimmed is caused.
The present embodiment is optional, and separator 11 is that first surface and second surface are coated with the two-sided double of silver-colored reflecting material
Face silver reflector plate 111 is arranged between the upper top surface and bottom surface of the light guide plate 10, and is in the upper top surface and bottom surface
30 degree to 60 degree angles are obliquely installed.In the present embodiment, more specifically, which is double-sided reflecting piece；This pair
Face silver reflector plate is in 45 degree of angle settings, and particularly, for side-light backlight, upper surface will preferably can irradiate it
On light to the light-emitting surface of light guide plate guide；And the lower surface of two-sided silver-colored reflector plate, then it can be anti-by the light of irradiation thereon
It is mapped in guide-lighting block, so that light is oriented to light-emitting surface by guide-lighting block；In addition, the two-sided silver-colored reflector plate can incline in 30 degree to 60 degree
The junction of guide-lighting block is tiltedly set, optionally, when which is in 45 degree of angles, in the two-sided silver-colored reflector plate upper end
In the case that top surface flushes on light guide plate, the contact surface of top surface is minimum on the reflector plate and light guide plate, can be to avoid because two-sided
The setting of silver-colored reflector plate and there is the possibility of bar shaped concealed wire.
The present embodiment is optional, guide-lighting block 10 further include:
The lower part for the two-sided silver-colored reflector plate 111 being obliquely installed is arranged in light source reserved place 13；
The light source reserved place 13 includes that lamp holder (not shown) and the lamp position for installing backlight (are not shown in figure
Out), the upper surface of the lamp holder flushes setting with the bottom surface of the light guide plate 10；
The backlight is arranged at the light source reserved place 13.In the present embodiment, specifically, the light source reserved place packet
Lamp holder and the lamp position for installing backlight are included, the upper surface of the lamp holder should actually be flushed with the bottom surface of light guide plate to be set
It sets, in this way, the problem of backlight is just not in, and light is from the lower end oblique fire of two-sided silver-colored reflector plate to non-lit up region, energy
The enough light by the corresponding backlight of each leaded light block is convergent in corresponding guide-lighting block and regional area, reduces local display
When, put bright area backlight waste the problem of；In addition, the light source reserved place belongs to the setting side of substantive side-light backlight
The light of light source at light source reserved place is reflected into guide-lighting block by the lower surface of formula, this 45 degree two-sided silver-colored reflector plates being obliquely installed
It is interior, simultaneously as being obliquely installed, light source reserved place is sheltered from, avoids the setting because of the backlight at light source reserved place, and
The problem of causing backlight local brightness disproportionation.
The present embodiment is optional, guide-lighting block 10 further include:
Light source reserved place 13, corresponding each guide-lighting block 12 are respectively set；
The control of the corresponding light source reserved place 13 of each guide-lighting block 12 is mutually indepedent.In the present embodiment, the light source
Reserved place can be the set-up mode of side-light backlight, be also possible to the set-up mode of direct-light-type backlight, and the light source is reserved
Position can be used for being arranged backlight and control the switch of backlight；Wherein, the corresponding light source reserved place of each guide-lighting block
Independently of each other, the power consumption of backlight is reduced while local display in local display, to carry out corresponding control, thus
Realize the purpose of green energy conservation.
The present embodiment is optional, and light guide plate 10 and separator 11 are integrally formed.In the present embodiment, the light guide plate and separation
Part is to be integrally formed ground, and when making light guide plate, separator is placed in light guide plate, and light guide plate is divided into guide-lighting and backlight
Source controls mutually independent multiple regions；Specifically, it is also necessary to reserve light source reserved place in the region interval of light guide plate.
The present embodiment is optional, and guide-lighting block 12 independently forms, and multiple guide-lighting splicings of block 12 form the leaded light
The junction of leaded light block 12 described in every two is arranged in plate 10, the separator 11；
The guide-lighting block 12 is located in the middle not to be connected to the outer surface of the light guide plate 10.It, should in the present embodiment
Guide-lighting block is independently molding, assembled light guide plate after molding, and the company between guide-lighting block is just arranged in separator
Meet place.
The present embodiment is optional, and the separator 11 extends through described lead in the horizontal and vertical direction of the light guide plate 10
Tabula rasa 10 is arranged in a crossed manner two groups, and separator 11 described in two groups will be divided into 3*3 totally nine pieces of guide-lighting blocks 12 between the light guide plate 10；
The guide-lighting block is located in the middle not to be connected to the outer surface of the light guide plate.In the present embodiment, each lead
Light block can be same size, be also possible to it is different size of, it is true with specific reference to the concrete condition of light guide plate and display panel
It is fixed；In addition, one of them of the guide-lighting block of the utility model can be the middle part that entire display area is arranged in, with display area
The outer surface of four sides light guide plate in other words is not directly contacted with, and the display panel can be side-light backlight panel.
The present embodiment is optional, and the backlight includes the first backlight and the second backlight；
First backlight includes:
First sub-light source 31 is arranged on side wall of the backboard 40 relative to the light guide plate 10；
Second sub-light source 32 is arranged at the light source reserved place 13；
Second backlight is evenly spaced in the incidence surface of the light guide plate 10.In the present embodiment, specifically, this first
Backlight, that is, side-edge type backlight, and second backlight, that is, direct-light-type backlight；Optionally, which can only set
A side in the light guide plate is set, it is uniformly distributed multiple, it is also possible to that the two sides of light guide plate are arranged in, it is uniformly distributed multiple；
In addition, second sub-light source, at the reserved place of the light source, the junction along every two pieces guide-lighting blocks is uniformly distributed multiple for setting.
The present embodiment is optional, and backlight includes direct-light-type backlight.In the present embodiment, which is also possible to directly
The backlight of following formula, cooperation light guide plate setting.
The backlight module of the utility model, including light guide plate, the light guide plate are split as at least two pieces by separator interval
Guide-lighting block, each leaded light block will correspond to a display area of display interface, the backlight difference in each leaded light block region
Control, in this way, can correspond to when only needing to light one of display area and close the backlight of other display areas；
And due to the presence of the separator, the light of the backlight in display area can be good at being convergent on corresponding guide-lighting block and show
Show in region, is not in be caused in display area because the light of backlight is irradiated to non-lit up guide-lighting block and display area
The problem of brightness is substantially reduced.
Fig. 2 is a kind of schematic diagram of display panel of the utility model, with reference to Fig. 2, in conjunction with Fig. 1 it is found that the utility model also
Disclose a kind of display panel 200, comprising: as the utility model it is any disclosed in 60 and of backlight module 100 and display module
Front frame 70；
The backlight module 100, display module 60 and the assembling of front frame 70 form the display panel.
The display panel of the utility model includes backlight module, which includes light guide plate, and the light guide plate is by dividing
Spacing body interval is split as at least two pieces guide-lighting blocks, and each leaded light block will correspond to a display area of display interface, each lead
Backlight in light block region controls respectively, in this way, can correspond to when only needing to light one of display area by other
The backlight of display area is closed；And due to the presence of the separator, the light of the backlight in display area can be fine
Be convergent in corresponding guide-lighting block and display area, be not in because the light of backlight is irradiated to non-lit up guide-lighting block and display
Region and the problem of cause the brightness in display area to be substantially reduced.
The panel of the utility model can be TFT-LCD panel (thin film transistor-liquid crystal
Display), TN panel (full name is Twisted Nematic, i.e. twisted nematic panel), IPS panel (In-
PlaneSwitching, plane conversion), VA panel (vertically match by Multi-domain Vertical Alignment, more quadrants
To technology), it is of course also possible to be other kinds of panel, it is applicable in.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of backlight module characterized by comprising
Light guide plate；
Backlight is equipped with the light guide plate；
Backboard, for carrying the light guide plate and backlight；
The light guide plate includes:
At least two pieces guide-lighting blocks,
At least one separator, the separator are arranged between an at least adjacent surface for the adjacent two pieces guide-lighting blocks, are used for
Separate the guide-lighting block.
2. a kind of backlight module as described in claim 1, which is characterized in that the upper of the light guide plate is arranged in the separator
Between top surface and bottom surface, and it is obliquely installed with the upper top surface and bottom surface in 30 degree to 60 degree angles, and the separator
It is completely overlapped with the perspective plane of the guide-lighting block in the horizontal direction.
3. a kind of backlight module as described in claim 1, which is characterized in that the first surface and second surface of the separator
It is coated respectively with reflecting material or light screening material；
The upper end of the separator is flushed with the upper top surface of the light guide plate, under the lower end of the separator and the light guide plate
Bottom surface flushes.
4. a kind of backlight module as claimed in claim 3, which is characterized in that the separator is first surface and second surface
Be coated with the two-sided silver-colored reflector plate of silver-colored reflecting material, be arranged between the upper top surface of the light guide plate and bottom surface, and with institute
Top surface and bottom surface is stated to be obliquely installed in 30 degree to 60 degree angles.
5. a kind of backlight module as claimed in claim 4, which is characterized in that the leaded light block further include:
The lower part for the two-sided silver-colored reflector plate being obliquely installed is arranged in light source reserved place；
The light source reserved place includes lamp holder and the lamp position for installing backlight, the upper surface of the lamp holder and the light guide plate
Bottom surface flush setting；
The backlight is arranged at the light source reserved place.
6. a kind of backlight module as described in claim 1, which is characterized in that the light guide plate and separator are integrally formed.
7. a kind of backlight module as described in claim 1, which is characterized in that the leaded light block independently forms, Duo Gesuo
It states guide-lighting block splicing and forms the light guide plate, the junction of leaded light block described in every two is arranged in the separator.
8. a kind of backlight module as described in claim 1, which is characterized in that the separator is laterally and vertical in the light guide plate
Extend through that the light guide plate is arranged in a crossed manner there are two groups to direction, separator described in two groups will be divided into 3*3 between the light guide plate and be total to
Nine pieces of guide-lighting blocks；
The guide-lighting block is located in the middle not to be connected to the outer surface of the light guide plate.
9. a kind of backlight module as described in claim 1, which is characterized in that the backlight includes the first backlight and second
Backlight；
First backlight includes:
First sub-light source is arranged on side wall of the backboard relative to the light guide plate；
Second sub-light source is arranged at the light source reserved place；
Second backlight is evenly spaced in the incidence surface of the light guide plate.
10. a kind of display panel characterized by comprising backlight module and display as described in claim 1-9 is any
Mould group and front frame；
The backlight module, display module and front frame assemble to form the display panel.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019992.2U CN208689326U (en) | 2018-06-29 | 2018-06-29 | A kind of backlight module and display panel |
| PCT/CN2018/113563 WO2020000841A1 (en) | 2018-06-29 | 2018-11-02 | Backlight module and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019992.2U CN208689326U (en) | 2018-06-29 | 2018-06-29 | A kind of backlight module and display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689326U true CN208689326U (en) | 2019-04-02 |
Family
ID=65879421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821019992.2U Active CN208689326U (en) | 2018-06-29 | 2018-06-29 | A kind of backlight module and display panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208689326U (en) |
| WO (1) | WO2020000841A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111915982A (en) * | 2020-08-17 | 2020-11-10 | 上海中航光电子有限公司 | Backlight module and display device |
| CN112130367A (en) * | 2020-09-28 | 2020-12-25 | 裴永明 | LED double-liquid-crystal-screen display and television |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4735849B2 (en) * | 2006-10-26 | 2011-07-27 | ミネベア株式会社 | Surface lighting device |
| CN102081187A (en) * | 2010-11-30 | 2011-06-01 | 深圳市华星光电技术有限公司 | Spliced type light guide plate structure and backlight module |
| CN202056691U (en) * | 2011-05-26 | 2011-11-30 | 北京京东方光电科技有限公司 | Backlight module of display and liquid crystal display |
| CN202403078U (en) * | 2011-11-17 | 2012-08-29 | Tcl光电科技(惠州)有限公司 | Backlight module and light guide plates |
| CN106647028A (en) * | 2016-12-23 | 2017-05-10 | 深圳市华星光电技术有限公司 | Backlight module and liquid crystal display |
-
2018
- 2018-06-29 CN CN201821019992.2U patent/CN208689326U/en active Active
- 2018-11-02 WO PCT/CN2018/113563 patent/WO2020000841A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111915982A (en) * | 2020-08-17 | 2020-11-10 | 上海中航光电子有限公司 | Backlight module and display device |
| CN112130367A (en) * | 2020-09-28 | 2020-12-25 | 裴永明 | LED double-liquid-crystal-screen display and television |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020000841A1 (en) | 2020-01-02 |
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