CN109521603A - Backlight module and display device - Google Patents
Backlight module and display device Download PDFInfo
- Publication number
- CN109521603A CN109521603A CN201811502680.1A CN201811502680A CN109521603A CN 109521603 A CN109521603 A CN 109521603A CN 201811502680 A CN201811502680 A CN 201811502680A CN 109521603 A CN109521603 A CN 109521603A
- Authority
- CN
- China
- Prior art keywords
- subregion
- sub
- light
- backlight module
- district
- 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
Links
Classifications
-
- 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
- G02F1/133603—Direct backlight with LEDs
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention discloses a kind of backlight module and display devices, belong to field of display technology, comprising: luminous zone；Luminous zone includes a plurality of light-emitting elements；At least two driving circuits；Driving circuit and a plurality of light-emitting elements electrical connection；Region where the light-emitting component being electrically connected with same one drive circuit is subregion, and subregion includes body region and at least one sub-district；Region where the light-emitting component being electrically connected with the first driving circuit is that the region where the first subregion and the light-emitting component of the second driving circuit electrical connection is the second subregion；Luminous zone further includes at least one transition region, and transition region is located between the body region of the first subregion and the body region of the second subregion；Transition region includes the sub-district of at least one the first subregion and the sub-district of at least one the second subregion.Compared with the existing technology, apparent brightness boundary phenomenon, effective fuzzy boundary between the first subregion and the second subregion can be improved and promote the quality of backlight module.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of backlight module and display device.
Background technique
Currently, LED as backlight in liquid crystal display device using very universal.Wherein, backlight source module framework master
There are side entering type and two kinds of straight-down negative.
Side entering-type LED backlight is the side that LED light source is arranged in light guide plate, after the light that LED is issued enters light guide plate, is led to
By light-output, the shortcomings that this structure, is to be formed by picture contrast the effects of crossing the reflection and scattering of the site of light guide plate
It is relatively poor, it is not available for local dimming.
Direct-light type LED backlight then image is more accurately presented, and show outstanding color and comparison of light and shade effect and
It is increasingly becoming the main trend in market.Direct LED backlight mould group generally comprises pcb board, and several arrays are equipped on pcb board
LED chip after the encapsulation of arrangement, the light that LED chip issues are irradiated to liquid crystal display, fill to realize to liquid crystal display
Set the effect illuminated.
For direct LED backlight mould group, light source, which is divided, is divided into multiple luminous zones, and can be controlled separately these hairs
The brightness value in light area can have the apparent brightness of appearance of backlight source module when generating luminance deviation between these luminous zones
Boundary, reduces the display quality of display device.
Summary of the invention
In view of this, the present invention provides a kind of backlight module and display device, to solve problem of the prior art.
On the one hand, the present invention provides a kind of backlight modules, comprising: luminous zone；Luminous zone includes a plurality of light-emitting elements, more
A light-emitting component is arranged in multiple lines and multiple rows；At least two driving circuits；Driving circuit and a plurality of light-emitting elements electrical connection；With it is same
Region where the light-emitting component of driving circuit electrical connection is subregion, and subregion includes body region and at least one sub-district；At least two
A driving circuit includes the first driving circuit and the second driving circuit；Where the light-emitting component of the first driving circuit electrical connection
Region is that the region where the first subregion and the light-emitting component of the second driving circuit electrical connection is the second subregion；It also wraps luminous zone
At least one transition region is included, transition region is located between the body region of the first subregion and the body region of the second subregion；Transition region includes
The sub-district of the sub-district of at least one the first subregion and at least one the second subregion.
On the other hand, the present invention also provides a kind of display devices, including backlight module provided by the invention, and are located at
The liquid crystal display panel of backlight module light-emitting surface side.
Compared with prior art, backlight module provided by the invention and display device at least realize following beneficial effect
Fruit:
At least two driving circuits are provided in backlight module to drive a plurality of light-emitting elements.It is electrically connected with same one drive circuit
Region where the light-emitting component connect is subregion, and subregion includes body region and at least one sub-district.Due to the first driving circuit and
For second driving circuit there may be load difference, the brightness that will cause the first subregion and the second subregion is different.It is provided by the invention
In backlight module, it is provided with transition region, transition region includes the sub-district and at least one second subregion of at least one the first subregion
Sub-district can improve apparent brightness boundary phenomenon, effective mould between the first subregion and the second subregion compared with the existing technology
The boundary between the first subregion and the second subregion is pasted, so as to promote the quality of backlight module.
Certainly, implementing any of the products of the present invention specific needs while must not reach all the above technical effect.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is a kind of planar structure schematic diagram of backlight module provided in an embodiment of the present invention；
Fig. 2 is the planar structure schematic diagram of another backlight module provided in an embodiment of the present invention；
Fig. 3 is the planar structure schematic diagram of another backlight module provided in an embodiment of the present invention；
Fig. 4 is the part plan structural schematic diagram of another backlight module provided in an embodiment of the present invention；
Fig. 5 is the part plan structural schematic diagram of another backlight module provided in an embodiment of the present invention；
Fig. 6 is the partial enlargement structural representation of transition region in Fig. 5；
Fig. 7 is the part plan structural schematic diagram of another backlight module provided in an embodiment of the present invention；
Fig. 8 is a kind of planar structure schematic diagram of display device provided in an embodiment of the present invention；
Fig. 9 is a kind of the schematic diagram of the section structure of the CC ' line along Fig. 8.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Referring to FIG. 1, Fig. 1 is a kind of planar structure schematic diagram of backlight module provided in an embodiment of the present invention.
Present embodiments provide a kind of backlight module, comprising:
Luminous zone L；Luminous zone L includes a plurality of light-emitting elements D, and a plurality of light-emitting elements D arranges in multiple lines and multiple rows；
At least two driving circuit DC；Driving circuit DC and a plurality of light-emitting elements D electrical connection；With same one drive circuit DC electricity
Region where the light-emitting component D of connection is subregion 10, and subregion 10 includes body region 11 and at least one sub-district 12；
At least two driving circuit DC include the first driving circuit DC1 and the second driving circuit DC2；With the first driving circuit
Region where the light-emitting component D of DC1 electrical connection is the light-emitting component that the first subregion 101 and the second driving circuit DC2 are electrically connected
Region where D is the second subregion 102；
Luminous zone L further includes at least one transition region 20, and transition region 20 is located at the body region 11 and second of the first subregion 101
Between the body region 11 of subregion 102；
Transition region 20 includes the sub-district 12 of at least one the first subregion 101 and the sub-district 12 of at least one the second subregion 102.
Backlight module provided in this embodiment includes luminous zone L, further includes non-light-emitting area NL, non-light-emitting area NL optionally
It is arranged around luminous zone L.It is not provided with light-emitting component D in the NL of non-light-emitting area, can be set driving circuit DC's in the NL of non-light-emitting area
Part cabling.
The a plurality of light-emitting elements D of array arrangement is provided in the L of luminous zone, optionally, a plurality of light-emitting elements D is arranged in substrate
On 00 and it is generally aligned in the same plane to form area source.Backlight module provided in this embodiment is down straight aphototropism mode set.
Light-emitting component D can shine after receiving suitable voltage signal, specific structure of the present embodiment for light-emitting component D
It is not specifically limited.
It further include at least two driving circuit DC in backlight module provided in this embodiment, driving circuit DC is used for hair
Optical element D provides suitable voltage signal to drive light-emitting component D to shine.The electric signal of each driving circuit DC is mutual independence
, each driving circuit DC can be worked independently, the light-emitting component D being connected electrically is driven to shine.Optionally, driving circuit DC
Including a plurality of signal lead, signal lead is used to provide voltage signal to light-emitting component D.It should be noted that each reality of the present invention
Apply in example, the extending direction of the signal lead of driving circuit DC is as exemplary only, the signal lead of driving circuit DC and
The electrical connection of light-emitting component D meets the restriction in the specific embodiment of the invention, and various embodiments of the present invention are for driving
The extending direction of the signal lead of driving circuit DC is not specifically limited.
It is subregion 10 with the region where the light-emitting component D of same one drive circuit DC electrical connection, each subregion can drive
It independently shines under the control of dynamic circuit DC.
For example, the first driving circuit DC1 works and the second driving circuit DC2 does not work, phase in a kind of application scenarios
The first subregion 101 answered shines and the second subregion 102 does not shine.
Subregion 10 is the irregular shape with protrusion, specifically, subregion 10 includes body region 11 and at least one son
Area 12.Wherein, for compared to sub-district 12, the usual area in body region 11 is larger and shape is more regular, such as body region 11 can
Think the figures such as rectangle, trapezoidal.Sub-district 12 is to protruding on the outside of body region 11, and the area of sub-district 12 is about 11 area of body region
1%~10%.
Optionally, sub-district 12 includes A light-emitting component D, 1≤A≤10.In backlight module shown in FIG. 1, only with first point
It is provided in the sub-district 12 of 1 light-emitting component D, the second subregion 102 and is provided with for 5 light-emitting component D in the sub-district 12 in area 101
It is illustrated.In other of the invention optional implementations, the quantity of the light-emitting component D in sub-district between 1 to 10,
Such as can be 2,3,9,10, the present embodiment no longer repeats one by one.
Theoretically, when the voltage signal that each driving circuit DC is provided is identical, the brightness of subregion 10 is identical, backlight module
Overall brightness be uniform.However, in actual use, due to factors such as the load differences of driving circuit DC, causing each
The brightness of subregion 10 is not identical, and the overall brightness of backlight module is simultaneously inhomogenous, causes to have between two subregions 10 more obvious
Brightness boundary.Demarcate to obscure the brightness between two subregions 10, in backlight module provided in this embodiment, was provided with
Area 20 is crossed, transition region 20 is located between the body region 11 of two subregions 10, and transition region 20 includes at least one the first subregion 101
The sub-district 12 of sub-district 12 and at least one the second subregion 102.
Transition region 20 can play bright between the body region 11 of the first subregion 101 and the body region 11 of the second subregion 102
Spend the effect crossed.Not only it is provided with the sub-district 12 of the first subregion 101 in transition region 20 but also is provided with the sub-district of the second subregion 102
12, thus it is both electric in the presence of the light-emitting component D being electrically connected with the first driving circuit DC1, there is also being driven with second in transition region 20
The light-emitting component D of road DC2 electrical connection.When the load of the first driving circuit DC1 and the second driving circuit DC2 have differences, the
One subregion 101 and the second subregion 102 are provided with the sub-district 12 and second of the first subregion 101 there are luminance difference in transition region 20
The sub-district 12 of subregion 102 can obscure the boundary between the first subregion 101 and the second subregion 102.It is understood that transition
In area 20, the quantity of more, the second subregion 102 the sub-districts 12 of the quantity of the sub-district 12 of the first subregion 101 is more, is more conducive to mould
The boundary between the first subregion 101 and the second subregion 102 is pasted, the effect of the luminance transition of transition region 20 is more excellent.
Backlight module provided in this embodiment, at least realize it is following the utility model has the advantages that
Backlight module kind is provided at least two driving circuit DC to drive a plurality of light-emitting elements D.With same one drive circuit
Region where the light-emitting component D of DC electrical connection is subregion 10, and subregion 10 includes body region 11 and at least one sub-district 12.Due to
There may be load differences by first driving circuit DC1 and the second driving circuit DC2, will cause the first subregion 101 and the second subregion
102 brightness is different.In backlight module provided by the invention, be provided with transition region 20, transition region 20 include at least one first
The sub-district 12 of the sub-district 12 of subregion 101 and at least one the second subregion 102 can improve the first subregion compared with the existing technology
101 and second apparent brightness between subregion 102 demarcate phenomenon, effectively between fuzzy first subregion 101 and the second subregion 102
Boundary, so as to promote the quality of backlight module.
In some alternative embodiments, referring to FIG. 2, Fig. 2 is another backlight module provided in an embodiment of the present invention
Planar structure schematic diagram.
In the present embodiment, subregion 10 includes at least two sub-districts 12；
Transition region 20 includes the sub-district 12 of at least two first subregions 101 and the sub-district 12 of at least two second subregions 102；
Also, the orientation of the body region 11 along body region 11 and the second subregion 102 perpendicular to the first subregion 101, first point
The sub-district 12 in area 101 and the sub-district 12 of the second subregion 102 are arranged alternately in transition region 20.
Wherein, the orientation of the body region 11 of the first subregion 101 and the body region 11 of the second subregion 102 is the Y in figure
Direction, X-direction is perpendicular to Y-direction.
In Fig. 2, to be provided with the sub-district 12 of two the first subregions 101 and the son of two the second subregions 102 in transition region 20
It is illustrated for area 12.Also, in transition region 20, two sub-districts 12 of the first subregion 101 are respectively provided with the member that shines
Two sub-districts 12 of part D, the second subregion 102 are respectively provided with two light-emitting component D.
Optionally, the sub-district 12 of 3 or more the first subregions 101 can be set in transition region 20, also can be set 3
Or the sub-district 12 of the second above subregion 102, also, the number of the light-emitting component D at least two sub-districts 12 of same subregion 101
Amount cannot be not exactly the same.
Specifically, referring to FIG. 3, Fig. 3 is the planar structure signal of another backlight module provided in an embodiment of the present invention
Figure.In backlight module provided in this embodiment, including three sub-districts 12 and second of the first subregion 101 in transition region 20
Two sub-districts 12 of subregion 102, and the quantity of the light-emitting component D in three sub-districts 12 of the first subregion 101 is not identical
's.
In some alternative embodiments, referring to FIG. 4, Fig. 4 is another backlight module provided in an embodiment of the present invention
Part plan structural schematic diagram.
In the present embodiment, backlight module includes multiple driving circuit DC, and luminous zone L includes multiple subregions 10 and multiple transition
Area 20 is provided with a transition region 20 between the body region 11 of any two subregion 10.
Multiple driving circuit DC are provided in backlight module provided in this embodiment, in backlight module, correspondingly, backlight mould
Group includes multiple subregions 10.Fig. 4 only illustrates the part plan structure of backlight module, only includes that four subregions are with backlight module
Example is illustrated.In other of the invention optional implementations, may include in backlight module three subregions, five subregions,
Or six or more subregions, the quantity of subregion can be configured according to the actual conditions of backlight module, the present embodiment is not
It repeats one by one again.
In the present embodiment, a transition region 20 is provided between the body region 11 of wantonly one or two of subregion 10, thus, any two
A adjacent subregion can regard the first subregion and the second subregion as, correspondingly, the corresponding driving circuit of any two subregion is
First driving circuit and the second driving circuit.
In the present embodiment, body region 11 is quadrangle, also, is provided with sub-district 12 on four sides of quadrangle.It is optional
, body region is square, and the quantity of the sub-district 12 on square each side is identical.
In backlight module provided in this embodiment, multiple driving circuit DC are provided with, are formed in backlight module accordingly
Multiple subregions 10, and be arranged between the body region 11 of any two subregion 10 and have a transition region 20, it can improve and appoint
It anticipates apparent brightness boundary phenomenon between two subregions 10, the boundary between effective fuzzy any two subregion 10, so as to
Further to promote the quality of backlight module.
In some alternative embodiments, Fig. 5 and Fig. 6 are please referred to, Fig. 5 is another backlight provided in an embodiment of the present invention
The part plan structural schematic diagram of mould group；Fig. 6 is the partial enlargement structural representation of transition region in Fig. 5；
In the present embodiment, transition region 20 includes at least two sub- transition regions 201；
The body region 11 for extending perpendicularly to the first subregion 101 of sub- transition region 201 and the body region of the second subregion 102
11 orientation；Sub- transition region 201 includes the sub-district 12 and at least one second subregion 102 of at least one the first subregion 101
Sub-district 12；
Also, in transition region 20, along the row of the body region 11 of the body region 11 and the second subregion 102 of the first subregion 101
The sub-district 12 of column direction, the sub-district 12 of the first subregion 101 and the second subregion 102 is disposed adjacent.
It should be noted that in Fig. 5 and Fig. 6, the body region 11 of the body region 11 of the first subregion 101 and the second subregion 102
Orientation be figure in Y-direction, X-direction is perpendicular to Y-direction.It only include two with transition region 20 also, in Fig. 5 and Fig. 6
It is illustrated for sub- transition region 201, it is to be understood that in other optional embodiments of the invention, a transition region can
To include three or above sub- transition region, the present embodiment no longer Detailed description of the invention one by one.
In the present embodiment, transition region 20 includes at least two sub- transition regions 201, and every sub- transition region 201 all has transition
Effect, sub- transition region 201 can improve apparent brightness boundary phenomenon between the first subregion 101 and the second subregion 102.
Optionally, sub-district 12 and at least two second point of the sub- transition region 201 including at least two first subregions 101
The sub-district 12 in area 102.Along the X direction, in sub- transition region 201, the sub-district of the sub-district 12 of the first subregion 101 and the second subregion 102
12 are arranged alternately.In the X direction, it is existing further to improve apparent brightness boundary between the first subregion 101 and the second subregion 102
As.
Also, in order to further enhance the overall transitional function of transition region 20, in the present embodiment, along the Y direction, first point
The sub-district 12 in area 101 and the sub-district 12 of the second subregion 102 are disposed adjacent.In other words, along the Y direction, the sub-district of the first subregion 101
12 will not be continuously arranged and the sub-district 12 of the second subregion 102 will not be continuously arranged.So as in the Y direction, further
Improve apparent brightness boundary phenomenon between the first subregion 101 and the second subregion 102.
In backlight module provided in this embodiment, improve the first subregion 101 and second from two dimensions of X-direction and Y-direction
Apparent brightness boundary phenomenon, obscures the boundary between two subregions 10, further so as to further between subregion 102
Promote the quality of backlight module.
In some alternative embodiments, referring to FIG. 7, Fig. 7 is another backlight module provided in an embodiment of the present invention
Part plan structural schematic diagram；
In the present embodiment, light-emitting component D includes light emitting diode 31, P electrode 32 and N electrode 33.Light emitting diode is referred to as
For LED, P electrode 32 and N electrode 33 provide suitable voltage to light emitting diode 31 respectively, keep light-emitting component D shinny.
In backlight module provided by various embodiments of the present invention, light emitting diode 31 can be Mini LED or Micro
LED。
Mini LED also known as secondary millimeter light emitting diode, it is intended that crystallite dimension is about between 100 microns to 1000 microns
LED.When forming LED provided by the embodiment of the present application using Mini LED, production yield is high, has abnormity cutting characteristic, takes
The backlight form that high curved surface can be also formed with flexible base plate, possesses better color rendering, can be aobvious when being applied in display device
Show that panel provides finer HDR (High Dynamic Range, high dynamic range images) subregion.
In the backlight module that various embodiments of the present invention provide, light source of the Micro LED as backlight module also may be selected,
Micro LED is LED of the crystallite dimension about between 1-10 microns, can be realized 0.05 millimeter or smaller szie pixel particle
The power consumption of display screen, Micro LED is very low, and has preferable stability of material and askiatic residual.
Optionally, with continued reference to FIG. 7, driving circuit DC includes the pole P signal wire 40 and the pole N signal wire 50；
Driving circuit DC and a plurality of light-emitting elements D electrical connection includes: the pole P signal wire 40 and the P electrode of a plurality of light-emitting elements D
The N electrode 33 of 32 electrical connections, the pole N signal wire 50 and a plurality of light-emitting elements D are electrically connected.
In the present embodiment, the pole P signal wire 40 to the P electrode 32 of light-emitting component D provide voltage signal, the pole N signal wire 50 to
The N electrode 33 of light-emitting component D provides electric signal.Wherein, in one drive circuit DC, each pole P signal wire 40 is electrically connected to each other, and
Each pole N signal wire 50 is electrically connected to each other.As, for a plurality of light-emitting elements D being electrically connected with same one drive circuit DC,
The voltage signal of P electrode 32 is identical and the voltage signal of N electrode 33 is identical.When the performance of each light-emitting component D is basic
When identical, the brightness of a plurality of light-emitting elements D for being electrically connected with same one drive circuit DC is identical.As, same subregion
10 brightness is uniform.
In the present embodiment, the pole P signal wire 40 and the pole N signal wire 50, the pole P signal wire 40 and the pole N are provided in driving circuit
Signal wire 50 provides suitable voltage to light-emitting component D, and light-emitting component D can shine, and the circuit structure of driving circuit DC is more
Succinctly, it is easy to accomplish.Also, the brightness of same subregion 10 be it is uniform, the quality of backlight module can be promoted.
Optionally, with continued reference to FIG. 7, backlight module includes chip 60, chip 60 and the pole P signal wire 40 and the pole N letter
Number line 50 is electrically connected.
In the present embodiment, being provided with chip (Integrated Circuit, integrated circuit) chip in backlight module is one
Kind microelectronic device, the elements such as transistor, diode, resistance, capacitor and inductance needed for a circuit and wiring are mutual
With together, be produced on a fritter or a few fritter semiconductor wafers or dielectric substrate, be then encapsulated in a shell, become tool
There is the microstructure of required circuit function.Compact structure, the operational capability of chip 60 are powerful, can provide multiple driving circuit DC
Required voltage signal.Also, chip 60 can control each driving circuit DC respectively.
When backlight module during the work time, it is only necessary to when some or certain several subregions provide bright, chip 60 can be with
Voltage signal is provided to corresponding driving circuit DC, realizes that the regional area of backlight module shines.When back provided in this embodiment
When optical mode group is applied in display device, the contrast of display device can be improved, and save the power consumption of display device.
The embodiment of the invention also provides a kind of display device, the backlight mould provided including any of the above-described embodiment of the present invention
Group, and the liquid crystal display panel positioned at backlight module light-emitting surface side.Specifically, please referring to Fig. 8 and Fig. 9, Fig. 8 is the present invention
A kind of planar structure schematic diagram for display device that embodiment provides, Fig. 9 are a kind of cross-section structure signals of the CC ' line along Fig. 8
Figure.
In the present embodiment, display device includes liquid crystal display panel 100 and backlight module 200.Liquid crystal display panel packet
Include first substrate 101, the second substrate 102 and liquid crystal layer 103.Backlight module 200 include framework 201, underlay substrate 00 and
A plurality of light-emitting elements are arranged in the accommodating space of the formation of framework 201.
The present embodiment only takes the mobile phone as an example, and is illustrated to display device 1000, it is to be understood that the embodiment of the present invention
The display device of offer can be other display devices having a display function such as computer, TV, display device for mounting on vehicle, this hair
It is bright that this is not specifically limited.Display device provided in an embodiment of the present invention has display panel provided in an embodiment of the present invention
Beneficial effect, can specifically refer to the various embodiments described above illustrating for display panel, the present embodiment is no longer superfluous herein
It states.
Through the foregoing embodiment it is found that backlight module provided by the invention and display device, at least realizing following has
Beneficial effect:
At least two driving circuits are provided in backlight module to drive a plurality of light-emitting elements.It is electrically connected with same one drive circuit
Region where the light-emitting component connect is subregion, and subregion includes body region and at least one sub-district.Due to the first driving circuit and
For second driving circuit there may be load difference, the brightness that will cause the first subregion and the second subregion is different.It is provided by the invention
In backlight module, it is provided with transition region, transition region includes the sub-district and at least one second subregion of at least one the first subregion
Sub-district can improve apparent brightness boundary phenomenon, effective mould between the first subregion and the second subregion compared with the existing technology
The boundary between the first subregion and the second subregion is pasted, so as to promote the quality of backlight module.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of backlight module characterized by comprising
Luminous zone；The luminous zone includes a plurality of light-emitting elements, and the multiple light-emitting component is arranged in multiple lines and multiple rows；
At least two driving circuits；The driving circuit and multiple light-emitting component electrical connections；With the same driving circuit
Region where the light-emitting component of electrical connection is subregion, and the subregion includes body region and at least one sub-district；
At least two driving circuit includes the first driving circuit and the second driving circuit；It is electrically connected with first driving circuit
Region where the light-emitting component connect is the region where the light-emitting component that the first subregion and second driving circuit are electrically connected
For the second subregion；
The luminous zone further includes at least one transition region, and the transition region is located at the body region and described of first subregion
Between the body region of two subregions；
The transition region includes the sub-district of at least one first subregion and the sub-district of at least one second subregion.
2. backlight module according to claim 1, which is characterized in that
The subregion includes at least two sub-districts；
The transition region includes the sub-district of at least two first subregions and the sub-district of at least two second subregions；And
And the orientation of the body region along body region and second subregion perpendicular to first subregion, described first point
The sub-district in area and the sub-district of second subregion are arranged alternately in the transition region.
3. backlight module according to claim 1, which is characterized in that
The light-emitting component includes light emitting diode, P electrode and N electrode.
4. backlight module according to claim 3, which is characterized in that
The driving circuit includes the pole P signal wire and the pole N signal wire；
The driving circuit and multiple light-emitting component electrical connections include: the pole P signal wire and multiple light-emitting components
P electrode electrical connection, the N electrode electrical connection of the pole N signal wire and multiple light-emitting components.
5. backlight module according to claim 1, which is characterized in that
The sub-district includes the A light-emitting components, 1≤A≤10.
6. backlight module according to claim 2, which is characterized in that
The transition region includes at least two sub- transition regions；
The body region of the body region for extending perpendicularly to first subregion and second subregion of the sub- transition region
Orientation；The sub- transition region includes the sub-district of at least one first subregion and the son of at least one second subregion
Area；
Also, in the transition region, along the arrangement side of the body region of the body region and second subregion of first subregion
To the sub-district of the sub-district of first subregion and second subregion is disposed adjacent.
7. backlight module according to claim 1, which is characterized in that
The backlight module includes multiple driving circuits, and the luminous zone includes multiple subregions and multiple transition
Area is provided with the transition region between the body region of subregion described in any two.
8. backlight module according to claim 1, which is characterized in that
The body region is quadrangle.
9. backlight module according to claim 4, which is characterized in that
The backlight module includes chip, and the chip and the pole P signal wire and the pole N signal wire are electrically connected.
10. a kind of display device, which is characterized in that including according to claim 1-9 described in any item backlight modules, Yi Jiwei
Liquid crystal display panel in backlight module light-emitting surface side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502680.1A CN109521603A (en) | 2018-12-10 | 2018-12-10 | Backlight module and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811502680.1A CN109521603A (en) | 2018-12-10 | 2018-12-10 | Backlight module and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109521603A true CN109521603A (en) | 2019-03-26 |
Family
ID=65795112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811502680.1A Pending CN109521603A (en) | 2018-12-10 | 2018-12-10 | Backlight module and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109521603A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111965891A (en) * | 2020-08-05 | 2020-11-20 | 武汉华星光电技术有限公司 | LED lamp panel, spliced LED lamp panel and display device |
| CN112505966A (en) * | 2020-12-02 | 2021-03-16 | Tcl华星光电技术有限公司 | Backlight module and liquid crystal display panel |
| WO2021147000A1 (en) * | 2020-01-22 | 2021-07-29 | 京东方科技集团股份有限公司 | Light-emitting substrate and display device |
| US11563051B2 (en) | 2020-08-05 | 2023-01-24 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Light-emitting diode (LED) light board, spliced led light board and display device having the ends of the first and second signal wires being staggered |
| US11615765B2 (en) | 2021-01-20 | 2023-03-28 | Wistron Corporation | Direct-lit LED backlight display and light emission control method therefor |
| CN115933248A (en) * | 2022-10-21 | 2023-04-07 | 惠科股份有限公司 | Backlight module and display device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1924429A (en) * | 2005-08-31 | 2007-03-07 | 夏普株式会社 | Method for manufacturing backlight and backlight |
| CN101196650A (en) * | 2006-12-06 | 2008-06-11 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102235607A (en) * | 2010-04-06 | 2011-11-09 | 索尼公司 | Lighting device and display device |
| CN102314841A (en) * | 2010-07-01 | 2012-01-11 | 乐金显示有限公司 | The apparatus and method that are used for driving liquid crystal equipment |
-
2018
- 2018-12-10 CN CN201811502680.1A patent/CN109521603A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1924429A (en) * | 2005-08-31 | 2007-03-07 | 夏普株式会社 | Method for manufacturing backlight and backlight |
| CN101196650A (en) * | 2006-12-06 | 2008-06-11 | 三星电子株式会社 | Backlight assembly and display device having the same |
| CN102235607A (en) * | 2010-04-06 | 2011-11-09 | 索尼公司 | Lighting device and display device |
| CN102314841A (en) * | 2010-07-01 | 2012-01-11 | 乐金显示有限公司 | The apparatus and method that are used for driving liquid crystal equipment |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021147000A1 (en) * | 2020-01-22 | 2021-07-29 | 京东方科技集团股份有限公司 | Light-emitting substrate and display device |
| CN111965891A (en) * | 2020-08-05 | 2020-11-20 | 武汉华星光电技术有限公司 | LED lamp panel, spliced LED lamp panel and display device |
| CN111965891B (en) * | 2020-08-05 | 2021-04-27 | 武汉华星光电技术有限公司 | LED lamp panel, spliced LED lamp panel and display device |
| WO2022027726A1 (en) * | 2020-08-05 | 2022-02-10 | 武汉华星光电技术有限公司 | Led lamp panel, spliced led lamp panel, and display apparatus |
| US11563051B2 (en) | 2020-08-05 | 2023-01-24 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Light-emitting diode (LED) light board, spliced led light board and display device having the ends of the first and second signal wires being staggered |
| CN112505966A (en) * | 2020-12-02 | 2021-03-16 | Tcl华星光电技术有限公司 | Backlight module and liquid crystal display panel |
| US11615765B2 (en) | 2021-01-20 | 2023-03-28 | Wistron Corporation | Direct-lit LED backlight display and light emission control method therefor |
| CN115933248A (en) * | 2022-10-21 | 2023-04-07 | 惠科股份有限公司 | Backlight module and display device |
| CN115933248B (en) * | 2022-10-21 | 2024-01-26 | 惠科股份有限公司 | Backlight module and display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109521603A (en) | Backlight module and display device | |
| KR102494527B1 (en) | Led display panel and display device using the same | |
| US7534008B2 (en) | Backlight unit and light source for use in same | |
| JP4845178B2 (en) | Backlight for display device | |
| DE102013114178B4 (en) | Light emitting diode array and liquid crystal display device containing them | |
| CN106133814B (en) | Installation base plate and electronic device | |
| CN210245539U (en) | Molded Surface Mount Device LED Display Module | |
| CN107871454A (en) | micro light emitting diode display panel | |
| US20100188438A1 (en) | Backlight and Liquid Crystal Display Device | |
| TWI515496B (en) | Liquid crystal display and display apparatus set having the same | |
| US20220367757A1 (en) | Display device using micro-leds and method for manufacturing same | |
| TWI711199B (en) | Microled display panel | |
| CN109686720A (en) | Flip chip encapsulating structure and display device | |
| CN211858095U (en) | Display panel and splicing display device | |
| CN102089571B (en) | Illuminating apparatus, display apparatus and television receiver | |
| US20230107672A1 (en) | Display panel and method for manufacturing same | |
| WO2017038085A1 (en) | Image display device | |
| CN109164641A (en) | A kind of backlight module and display device | |
| CN211124837U (en) | Mini L ED lamp pearl and L ED display screen of convenient wiring | |
| JP2010092686A (en) | Illumination device, display device, and electronic equipment | |
| EP4092735A1 (en) | Display apparatus | |
| CN217955854U (en) | Integrated LED chip applied to high-density transparent display screen | |
| CN114764997A (en) | LED display structure, display module and LED display screen | |
| KR102480108B1 (en) | Display device | |
| CN221149573U (en) | Display substrate, display module and display equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190326 |
|
| RJ01 | Rejection of invention patent application after publication |