CN109448642A - Display module and its driving method and display device - Google Patents
Display module and its driving method and display device Download PDFInfo
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- CN109448642A CN109448642A CN201811524838.5A CN201811524838A CN109448642A CN 109448642 A CN109448642 A CN 109448642A CN 201811524838 A CN201811524838 A CN 201811524838A CN 109448642 A CN109448642 A CN 109448642A
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- grid
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- 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
-
- 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
- G09G3/36—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 using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3674—Details of drivers for scan electrodes
Abstract
The invention discloses a kind of display module and its driving method and display devices, it is related to field of display technology, including display module, it is provided with viewing area and non-display area, display module includes: display panel, including multiple pixel unit rows and gate driving circuit, gate driving circuit sends driving signal to pixel unit row；Backlight module, including multiple LED light and backlight drive circuit, backlight drive circuit send enabling signal to LED light；Chip is controlled, is electrically connected with gate driving circuit and sub-pixel unit, and sends data-signal to sub-pixel unit；Wherein, backlight drive circuit is also electrically connected with gate driving circuit, receives the first trigger signal that gate driving circuit is sent.By gate driving circuit the first trigger signal is provided to backlight drive circuit, so that LED light lights the display effect for picture synchronization or being later than display picture with display, thus being conducive to be promoted display module and display device in backlight module.
Description
Technical field
The present invention relates to field of display technology, fill more particularly, to a kind of display module and its driving method and display
It sets.
Background technique
Liquid crystal display is the display equipment of planar ultra-thin, it is made of a certain number of colored or monochrome pixels, is placed
In front of light source or reflecting surface.Liquid crystal display power consumption is very low, therefore is favored by engineer, suitable for using the electricity of battery
Sub- equipment.
The working principle of liquid crystal display: liquid crystal is a kind of particular matter between a solid and a liquid, it is a kind of
Organic compound is in a liquid state under normality, but its molecules align is but fairly regular as solid crystal, therefore is named liquid
Crystalline substance, its another special nature be, if liquid crystal is given to apply an electric field, can change its molecules align, at this moment if
Its matching polarized light piece is given, it just has the function of that light is prevented to pass through (when not applying electric field, light can be penetrated smoothly),
If cooperating colored filter again, change adds to liquid crystal voltage size, can change a certain color light transmission capacity number, can also be with
The voltage for figuratively changing liquid crystal both ends can change its light transmittance.
With the continuous development of LCD technology, the application field of liquid crystal display especially colour liquid crystal display device
Constantly widening.It is pulled by the market of liquid crystal display, backlight industry, have an air of prosperity scene.Liquid crystal display device is
The display device of non-luminescent property need can be only achieved the function of display by backlight.Fine, large-sized liquid crystal display dress
It sets, it is necessary to there is high performance backlight technology matched, therefore while liquid crystal display industry makes great efforts developing new opplication field,
The high performance of backlight technology also plays the role of person who has rendered outstanding service behind the scenes.
In the prior art, lighting for LED usually will appear between the moving picture display of display panel in backlight module
Time difference makes the presentation time for showing picture be later than the lighting time of LED, it is possible to will appear LED in backlight module and order
Phenomenon bright but that display picture is also not shown, thus reduce the display effect of display device.
Summary of the invention
In view of this, the present invention provides a kind of display module and its driving method and display device, by backlight drive electricity
The input terminal on road is connected with the gate driving circuit in display panel, provides first from gate driving circuit to backlight drive circuit
Trigger signal so that lighting for LED light picture synchronization or is later than display picture with display in backlight module, thus is conducive to
Promote the display effect of display module and display device.
In a first aspect, the application provides a kind of display module, it is provided with viewing area and around the non-display of the viewing area
Area, the display module include:
Display panel, including being located at multiple pixel unit rows of the viewing area and positioned at the grid of the non-display area
Driving circuit, the gate driving circuit are electrically connected with the pixel unit row, and Xiang Suoshu pixel unit row sends driving signal,
The pixel unit row includes multiple sub-pixel units；
Backlight module, including being located at multiple LED light of the viewing area and positioned at the backlight drive electricity of the non-display area
Road, the backlight drive circuit are electrically connected with the LED light, and Xiang Suoshu LED light sends enabling signal；
Chip is controlled, is located at the non-display area, is electrically connected with the gate driving circuit and the sub-pixel unit, and
Data-signal is sent to the sub-pixel unit；
Wherein, the backlight drive circuit is also electrically connected with the gate driving circuit, receives the gate driving circuit
The first trigger signal sent, first trigger signal make the backlight drive electricity for starting the backlight drive circuit
LED light described in road direction sends driving signal.
Second aspect, the application provide a kind of display device, including display module, which is provided herein
Display module.
The third aspect, the application provide a kind of driving method of display module, the display module be provided with viewing area and
Non-display area around the viewing area, the display module include:
Display panel, including being located at multiple pixel unit rows of the viewing area and positioned at the grid of the non-display area
Driving circuit, the gate driving circuit are electrically connected with the pixel unit row, and Xiang Suoshu pixel unit row sends driving signal,
The pixel unit row includes multiple sub-pixel units；
Backlight module, including being located at multiple LED light of the viewing area and positioned at the backlight drive electricity of the non-display area
Road, the backlight drive circuit are electrically connected with the LED light, and Xiang Suoshu LED light sends enabling signal；The backlight drive circuit
Also it is electrically connected with the gate driving circuit；
Chip is controlled, is located at the non-display area, is electrically connected with the gate driving circuit and the sub-pixel unit, and
Data-signal is sent to the sub-pixel unit；
The driving method of the display module includes:
Gate driving circuit described in the control chip controls sends driving signal to the pixel unit row, to the picture
Plain cell row is scanned；
The gate driving circuit sends the first trigger signal to the backlight drive circuit, starts the backlight drive electricity
Road makes the backlight drive circuit send driving signal to the LED light.
Compared with prior art, display module provided by the invention and its driving method and display device, at least realize
It is following the utility model has the advantages that
In display module and its driving method and display device provided herein, including display panel, backlight module
With control chip, backlight module includes multiple LED light and the backlight drive circuit for driving LED light luminous, display panel packet
The gate driving circuit being electrically connected with multiple pixel unit rows is included, backlight drive circuit driving LED light shines as display panel
Display provides light source.In particular, the backlight drive circuit in the application is electrically connected with gate driving circuit, by gate driving circuit
The first trigger signal is sent to backlight drive circuit, backlight drive circuit is promoted to send enabling signal to LED light.In general, grid
Driving circuit progressively scans pixel unit row, and the pixel unit row being scanned receives display data signal, therefore works as
The application can be such that backlight drive circuit drives using the signal of gate driving circuit as when the trigger signal of backlight drive circuit
The luminous process of dynamic LED light is synchronous with the pixel unit row reception process of display data signal, or drives backlight drive circuit
The luminous process of dynamic LED light receives the process of display data signal later than pixel unit row, that is, makes in backlight module
Lighting for LED light picture synchronization or is later than display picture with display, and being designed in this way improves LED in backlight module in the prior art
The phenomenon that lighting earlier than display picture of lamp, thus be conducive to be promoted the display effect of display module and display device.
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 show a kind of sectional view of display module provided by the embodiment of the present application；
Fig. 2 show display panel provided by the embodiment of the present application and controls a kind of top view of chip；
Fig. 3 show a kind of top view of backlight module provided by the embodiment of the present application；
Fig. 4 show a kind of connection relationship of gate driving circuit and backlight drive circuit provided by the embodiment of the present application
Figure；
Another connection that Fig. 5 show gate driving circuit and backlight drive circuit provided by the embodiment of the present application is closed
System's figure；
Another connection that Fig. 6 show gate driving circuit and backlight drive circuit provided by the embodiment of the present application is closed
System's figure；
Fig. 7 show a kind of connection relationship of level translator and backlight drive circuit provided by the embodiment of the present application
Figure；
Fig. 8 show a kind of annexation figure of switching circuit and LED light provided by the embodiment of the present application；
Fig. 9 show a kind of top view of display device provided by the embodiment of the present application；
Figure 10 show a kind of flow chart of the driving method of display module provided by the embodiment of the present application.
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.
In the prior art, when backlight module is down straight aphototropism mode set, LED light is to right above its in backlight module
Pixel unit light source is provided, the pixel unit row on usual display panel drives line by line, therefore LED light point also occurs
The backlight module that area is shown, i.e. LED light also drive line by line, in this case, in backlight module LED light light and display surface
Between the moving picture display of plate would generally time of occurrence it is poor, so that the presentation time for showing picture is later than lighting time of LED light,
I.e. it is possible that LED light is already on but shows the also not shown phenomenon of picture in backlight module, thus reduce display dress
The display effect set.
In view of this, the present invention provides a kind of display module and its driving method and display device, by backlight drive electricity
The input terminal on road is connected with the gate driving circuit in display panel, provides first from gate driving circuit to backlight drive circuit
Trigger signal so that lighting for LED light picture synchronization or is later than display picture with display in backlight module, thus is conducive to
Promote the display effect of display module and display device.
It is described in detail below with reference to the drawings and specific embodiments.
Fig. 1 show a kind of sectional view of display module provided by the embodiment of the present application, and Fig. 2 show the application implementation
A kind of top view of display panel provided by example and control chip, Fig. 3 show backlight mould provided by the embodiment of the present application
A kind of top view of group, Fig. 4 show one kind of gate driving circuit and backlight drive circuit provided by the embodiment of the present application
Annexation figure, incorporated by reference to Fig. 1-Fig. 4, the embodiment of the present application provides a kind of display module 100, is provided with viewing area 10 and surround
The non-display area 11 of viewing area 10, display module 100 include:
Display panel 20, including being located at multiple pixel unit rows 21 of viewing area 10 and positioned at the grid of non-display area 11
Driving circuit 22, gate driving circuit 22 are electrically connected with pixel unit row 21, send driving signal, pixel to pixel unit row 21
Cell row 21 includes multiple sub-pixel units 25；
Backlight module 30, including being located at multiple LED light 31 of viewing area 10 and positioned at the backlight drive electricity of non-display area 11
Road 32, backlight drive circuit 32 are electrically connected with LED light 31, send enabling signal to LED light 31；
Chip 40 is controlled, is located at non-display area 11, is electrically connected with gate driving circuit 22 and sub-pixel unit 25, and to son
Pixel unit 25 sends data-signal；
Wherein, backlight drive circuit 32 is also electrically connected with gate driving circuit 22, receives what gate driving circuit 22 was sent
First trigger signal, the first trigger signal send backlight drive circuit 32 to LED light 31 for starting backlight drive circuit 32
Driving signal.
It should be noted that the first trigger signal that sends to backlight drive circuit 32 of gate driving circuit 22 for example can be with
It is the STV signal in gate driving circuit 22.
Specifically, Fig. 2 is referred to, display module 100 provided by the embodiment of the present application is provided with viewing area 10 and surround
The non-display area 11 of viewing area 10, display module 100 include display panel 20, include horizontal and vertical arrangement on display panel 20
Multiple sub-pixel units 25.Optionally, a pixel unit row 21 is constituted positioned at multiple sub-pixel units 25 of same a line；It can
Choosing, the part sub-pixel unit 25 positioned at same a line constitutes a pixel unit row 21.Further include on display panel 20 with it is upper
The gate driving circuit 22 that pixel unit row 21 is electrically connected is stated, sends and drives from gate driving circuit 22 to pixel unit row 21
Dynamic signal, wherein gate driving circuit 22 includes N+1 cascade drive element of the grid 36, every level-one drive element of the grid 36
A corresponding pixel unit row 21, so can be by a drive element of the grid 36 to corresponding pixel unit
Sub-pixel unit 25 in row 21 is progressively scanned.Display module 100 further includes backlight module 30, refers to Fig. 3, backlight mould
Group 30 includes the multiple LED light 31 arranged respectively along first direction and second direction, these LED light 31 are used to be display panel 20
Light source is provided, backlight module 30 further includes backlight drive circuit 32, and backlight drive circuit 32 is located at non-display area 11 and and LED light
It is electrically connected between 31, for sending enabling signal to LED light 31 to drive LED light 31 to shine.Continuing with referring to fig. 2, mould is shown
Group 100 further include control chip 40, control chip 40 be located in non-display area 11, respectively with gate driving circuit 22 and sub-pixel
Unit 25 is electrically connected, therefore can also pass through control by the control starting triggering gate driving circuit 22 of chip 40
Chip 40 sends data-signal to sub-pixel unit 25.In addition, Fig. 4 is referred to, backlight drive circuit 32 and gate driving circuit
It is electrically connected between 22, the first trigger signal that gate driving circuit 22 is sent is as the touching of starting backlight drive circuit 32
It signals, starting backlight drive circuit 32 makes it that LED light 31 be driven to shine；Since the luminous signal of driving LED light is in backlight
What driving circuit issued after being activated, display data signal is issued after gate driving circuit is activated, and the application utilizes
When trigger signal of the signal of gate driving circuit as backlight drive circuit, make the starting and gate driving of backlight drive circuit
The starting of circuit is synchronous or is later than the starting of gate driving circuit, therefore backlight drive circuit driving LED light can be made to shine
Process is synchronous with the pixel unit row reception process of display data signal, or backlight drive circuit driving LED light is made to shine
Process receives the process of display data signal later than pixel unit row, that is, makes the point of LED light 31 in backlight module 30
Bright picture synchronization or to be later than display picture with display, being designed in this way improves lighting for LED light in backlight module in the prior art
The phenomenon that earlier than display picture, thus be conducive to be promoted the display effect of display module 100.
It should be noted that Fig. 2 and Fig. 3 have been only shown schematically viewing area 10 and non-display area in display module 100
11 relative position, does not represent actual size.In addition, each pixel unit row 21 includes multiple sub-pixel units 25 in Fig. 2,
It is only to schematically illustrate in figure, does not represent actual size and number, the application is to this without specifically limiting.In addition,
Fig. 3 has been only shown schematically a kind of arrangement situation of the LED light 31 on backlight module 30, does not represent actual quantity and divides
Cloth position.
Optionally, continuing with referring to fig. 2, display panel 20 provided by the embodiment of the present application further includes prolonging along first direction
It stretches and a plurality of grid line 23 arranged in a second direction and extends in a second direction and along a plurality of data of first direction arrangement
Line 24, adjacent two grid lines 23 and adjacent two datas line 24, which intersect, limits multiple sub-pixel units 25.Gate driving circuit
It is electrically connected between 22 and grid line 23, gate drive signal is sent to pixel unit row 21 by grid line 23；Control chip 40
It is electrically connected with data line 24, data-signal is sent to sub-pixel unit 25 by data line 24.Specifically, Fig. 2 is referred to, to scheme
For visual angle shown in 2, it is laterally used as first direction, it is longitudinal to be used as second direction, every two adjacent grid lines 23 and two phases
Adjacent data line 24, which intersects, constitutes a sub-pixel unit 25, along the multiple sub-pixel lists of first direction arrangement being located at a line
Member 25 constitutes a pixel unit row 21, each drive element of the grid 36 in gate driving circuit 22 respectively with corresponding grid
Line 23 is electrically connected, in this way, a drive element of the grid 36 can drive the sub-pixel of full line by its corresponding grid line 23
Unit 25, without the corresponding drive element of the grid 36 of a sub-pixel unit 25, to improve gate driving circuit 22
Utilization rate simultaneously effectively reduces circuit complexity.Corresponding pixel unit row 21 is swept by drive element of the grid 36
Afterwards, control chip 40 sends data-signal to corresponding sub-pixel unit 25 by data line, to realize display panel 20
Display function line by line.
Optionally, continuing with referring to fig. 4, gate driving circuit 22 provided by the embodiment of the present application includes multiple cascade
Drive element of the grid 36, drive element of the grid 36 include input terminal 26, the first output end 27 and second output terminal 28；Positioned at first
The input terminal 26 of the drive element of the grid 36 of grade receives control chip 40 by the starting connection control chip 40 of line trigger signal 29
The starting trigger signal sent by starting line trigger signal 29；First output end 27 of each drive element of the grid 36 connects next
The second output terminal 28 of the input terminal 26 of grade drive element of the grid 36, each drive element of the grid 36 connects grid line 23.Specifically,
Gate driving circuit 22 includes N+1 cascade drive element of the grid 36, and control chip 40 passes through first order drive element of the grid
36 input terminal 26 sends starting trigger signal to first order drive element of the grid 36, and first order drive element of the grid 36, which receives, to be opened
Pass through second output terminal 28 after dynamic trigger signal and corresponding grid line 23 connects, to give its corresponding pixel unit row
21 send driving signal, are scanned to pixel unit row.In addition, the first output end 27 of first order drive element of the grid 36
Input signal of the output signal as second level drive element of the grid 36, the first output end 27 of second level drive element of the grid 36
Input signal of the output signal as third level drive element of the grid 36, the second output terminal of second level drive element of the grid 36
Driving signal of 28 output signal as corresponding pixel unit row, and so on, N grades of drive element of the grid 36
Input signal of the output signal of first output end 27 as N+1 grades of drive element of the grid 36, the output letter of second output terminal 28
Driving signal number as its corresponding pixel unit row, in this way, control 40 need of chip by starting line trigger signal 29 to
First order drive element of the grid 36 sends starting trigger signal, without sending starting respectively to all drive element of the grid 36
Trigger signal can be realized drive element of the grid 36 at different levels and be scanned step by step to corresponding pixel unit row 21, can effectively subtract
Few circuit trace improves anti-interference to reduce circuit complexity.
Optionally, continuing with referring to fig. 4, the input terminal of backlight drive circuit 32 provided by the embodiment of the present application be located at
First output end 27 of the drive element of the grid 36 of afterbody is electrically connected, positioned at the of the drive element of the grid 36 of afterbody
One output end 27 sends the first trigger signal to backlight drive circuit 32；31 electricity of output end and LED light of backlight drive circuit 32
Connection.
Specifically, continuing with referring to fig. 4, the embodiment is by the first output end 27 of afterbody drive element of the grid 36
Trigger signal of the output signal as backlight drive circuit 32 starts backlight drive circuit 32, exports backlight drive circuit 32
Signal drives LED light 31 to shine to LED light 31, that is to say, that after the single pass for completing all pixels cell row, then opens
Dynamic backlight drive circuit 32, in this way, the process that LED light 31 shines just is later than the mistake that pixel unit row 21 receives display data signal
Journey, i.e., lighting for LED light 31 is later than display picture in backlight module 30, avoids the occurrence of in backlight module 30 the point of LED light 31
Phenomenon bright but that display picture is also not shown, is conducive to the display effect for promoting display module 100.
Optionally, Fig. 5 is referred to, Fig. 5 show gate driving circuit 22 provided by the embodiment of the present application and backlight is driven
The input terminal of another annexation figure of dynamic circuit 32, backlight drive circuit 32 is electrically connected with starting line trigger signal 29, is connect
The starting trigger signal that control chip 40 is sent by starting line trigger signal 29 is received, starting trigger signal is as the first triggering letter
Number；The output end of backlight drive circuit 32 is electrically connected with LED light 31.
Specifically, in embodiment illustrated in fig. 5, by with the starting line trigger signal 29 that connect of control chip 40 respectively with first
Grade drive element of the grid 36 and backlight drive circuit 32 connect, the starting touching that control chip is sent by starting line trigger signal 29
It signals while being sent to first order drive element of the grid 36 and backlight drive circuit 32, then pass through first order gate driving list
The output signal of the second output terminal 28 of member 36 drives pixel unit row, and the output signal of backlight drive circuit 32 is sent to
LED light 31, driving LED light 31 shines, in this way, first grid driving unit 36 and backlight drive circuit in gate driving circuit
32 are activated simultaneously, when the scan frequency one of LED in scan frequency and backlight module of the gate driving circuit to pixel unit row
When cause, the process and pixel unit row 21 that backlight drive circuit 32 can be made to drive LED light 31 luminous receive display data signal
Process it is synchronous, i.e., in backlight module 30 LED light 31 light with display picture synchronization, improve backlight module in the prior art
The phenomenon that lighting earlier than display picture of LED light 31, is conducive to the display effect for promoting display module 100 in 30.Certainly, at this
In some other embodiment of application, the scan frequency of LED and gate driving circuit sweep pixel unit row in backlight module
Retouching frequency may be configured as identical, may be alternatively provided as difference, the application is to this without specifically limiting.
Optionally, Fig. 6 is referred to, Fig. 6 show gate driving circuit 22 provided by the embodiment of the present application and backlight is driven
Another annexation figure of dynamic circuit 32, drive element of the grid 36 include N+1 grades, and N is nonnegative integer；Backlight drive circuit 32
Input terminal and the first order to N grades drive element of the grid 36 in any drive element of the grid 36 the electricity of the first output end 27
Connection, the first output end 27 send the first trigger signal to backlight drive circuit 32；The output end and LED of backlight drive circuit 32
Lamp 31 is electrically connected.
Specifically, Fig. 6 is referred to, gate driving circuit 22 includes N+1 cascade drive element of the grid 36.It can be by
The output signal conduct of first output end 27 of any drive element of the grid 36 in the drive element of the grid 36 of level-one to N grades
The input signal of backlight drive circuit 32, such as the output of the first output end 27 of second level drive element of the grid 36 can be believed
Number input backlight drive circuit 32 drives LED light 31 to shine, can also be by the of other any level-one drive element of the grid 36
The output signal of one output end 27 inputs backlight drive circuit 32 to drive LED light 31 to shine, and the application is to this without specific
It limits.When backlight drive circuit connection be positioned at the first output end of n-th grade of drive element of the grid 36 when, backlight is driven
The triggering of dynamic circuit is carried out after completing to the scanning of n sub-pixel unit row, allows for LED in backlight module 30 in this way
Lighting for lamp 31 is later than display picture, improves lighting earlier than display picture for LED light 31 in backlight module 30 in the prior art
The phenomenon that, thus be conducive to be promoted the display effect of display module 100.
It optionally, further include level translator 50, backlight drive circuit in display module provided by the embodiment of the present application
32 input terminal is electrically connected by level translator with gate driving circuit 22.Fig. 7 is referred to, Fig. 7 show the application implementation
A kind of annexation figure of level translator and backlight drive circuit 32 provided by example.Specifically, when gate driving circuit 22
Operating voltage be higher than backlight drive circuit 32 operating voltage, prevent the output signal of gate driving circuit 22 is from directly sending out
When giving backlight drive circuit 32, a level conversion can be increased between gate driving circuit 22 and backlight drive circuit 32
The output signal of gate driving circuit 32 is converted to what backlight drive circuit 32 can receive by level translator 50 by device 50
Level signal, to guarantee that backlight drive circuit 32 can work normally.It should be noted that the implementation of level translator has
Many kinds, such as level translator can be constituted by way of integrated chip, circuit can also be built by metal-oxide-semiconductor come shape
At level translator, the application is to this without specifically limiting.
Optionally, continuing with referring to Fig. 3, backlight module 30 is down straight aphototropism mode set 30, and LED light 31 is arranged in array,
Such as multiple LED light 31 are evenly distributed on backlight module 30 as light emitting source along first direction and second direction respectively,
Light source is projected from the bottom of display panel 20, and can make even back is passed to entire display panel 20, is conducive to improve
The display brightness of display panel 20.It should be noted that Fig. 3 has been only shown schematically LED light 31 on backlight module 30
A kind of arrangement situation, does not represent actual quantity and size, in addition, in some other embodiment of the application, backlight mould
Other distribution modes also can be used in LED light in group, and the application is to this without specifically limiting.
Optionally, Fig. 8 is referred to, Fig. 8 show the one of switching circuit 33 provided by the embodiment of the present application and LED light 31
Kind annexation figure, backlight module 30 further includes multiple switch circuit 33, connects same switch electricity positioned at the LED light 31 of same a line
Road 33, the output end of backlight drive circuit 32 are electrically connected with each switching circuit 33 respectively.Specifically, LED light 31 is carried out by row
It divides, the LED light 31 of same row is located at the control of switching circuit 33, so that it is carried out turntable driving according to row and light.So
Design, can be with subregion independent control light source igniting or closing, to reduce power consumption save the cost.It should be noted that this Shen
Please be in backlight module provided by embodiment, switching circuit 33 can be used metal-oxide-semiconductor and build the mode of circuit to be formed, and can also be used
Other modes are formed, and the application is to this without specifically limiting.
Based on the same inventive concept, the application also provides a kind of display device 200, refers to Fig. 9, and Fig. 9 show this Shen
Please display device 200 provided by embodiment a kind of top view, including display module 100, the display module 100 are above-mentioned
Display module 100 in one embodiment.It should be noted that the embodiment of display device 200 provided by the embodiment of the present application
It can be found in the embodiment of above-mentioned display module 100, overlaps will not be repeated.Display device 200 provided herein can be with
Are as follows: mobile phone, tablet computer, television set, display, laptop, Digital Frame, navigator etc. are any having a display function
Products or components, the application is to this without specifically limiting.
Based on the same inventive concept, it is shown provided by the embodiment of the present application incorporated by reference to Fig. 1-Fig. 3 and Figure 10, Figure 10
A kind of flow chart of the driving method of display module 100, the application also provide a kind of driving method of display module 100, wherein
Display module 100 is provided with viewing area 10 and the non-display area 11 around viewing area 10, and display module 100 includes:
Display panel 20, including being located at multiple pixel unit rows 21 of viewing area 10 and positioned at the grid of non-display area 11
Driving circuit 22, gate driving circuit 22 are electrically connected with pixel unit row 21, send driving signal, pixel to pixel unit row 21
Cell row 21 includes multiple sub-pixel units 26；
Backlight module 30, including being located at multiple LED light 31 of viewing area 10 and positioned at the backlight drive electricity of non-display area 11
Road 32, backlight drive circuit 32 are electrically connected with LED light 31, send enabling signal to LED light 31；Backlight drive circuit 32 is gone back and grid
Pole driving circuit 22 is electrically connected；
Chip 40 is controlled, is located at non-display area 11, is electrically connected with gate driving circuit 22 and sub-pixel unit 25, and to son
Pixel unit 25 sends data-signal；
The driving method of display module 100 includes:
Step 301: control 40 control gate drive circuit 22 of chip sends driving signal to pixel unit row 21, to pixel
Cell row 21 is scanned；
Step 302: gate driving circuit 22 sends the first trigger signal, starting backlight drive electricity to backlight drive circuit 32
Road 32 makes backlight drive circuit 32 send driving signal to LED light 31.
Specifically, Fig. 2 is referred to, display module 100 provided by the embodiment of the present application is provided with viewing area 10 and surround
The non-display area 11 of viewing area 10, display module 100 include display panel 20, include horizontal and vertical arrangement on display panel 20
Multiple sub-pixel units 25, positioned at same a line multiple sub-pixel units 25 constitute a pixel unit row 21, display panel
It further include the gate driving circuit 22 being electrically connected with above-mentioned pixel unit row 21 on 20, from gate driving circuit 22 to pixel
Cell row 21 sends driving signal, can so progressively scan to sub-pixel unit 25.Display module 100 further includes backlight
Mould group 30 refers to Fig. 3, and backlight module 30 includes the horizontal and vertical multiple LED light 31 arranged respectively, these LED light 31 are used
In providing light source for display panel 20, backlight module 30 further includes backlight drive circuit 32, and backlight drive circuit 32 is located at non-aobvious
Show area 11 and be electrically connected between LED light 31, for sending enabling signal to LED light 31, driving LED light 31 shines.Continuing with
Referring to fig. 2, display module 100 further include control chip 40, control chip 40 be located in non-display area 11, respectively with gate driving
Circuit 22 and sub-pixel unit 25 are electrically connected, therefore can trigger gate driving circuit 22 by the control starting of chip 40,
Data-signal can also be sent to sub-pixel unit 25 by control chip 40.In addition, Fig. 4 is referred to, backlight drive circuit 32
It is electrically connected between gate driving circuit 22, the first trigger signal that gate driving circuit 22 is sent is as starting backlight
The trigger signal of driving circuit 32, starting backlight drive circuit 32 make it that LED light 31 be driven to shine；The application utilizes gate driving
When trigger signal of the signal of circuit as backlight drive circuit, process that backlight drive circuit driving LED light can be made luminous
Process synchronous with the pixel unit row reception process of display data signal, or keeping backlight drive circuit driving LED light luminous
Later than the process that pixel unit row receives display data signal, that is, make LED light 31 in backlight module 30 light with
Display or is later than display picture at picture synchronization, be designed in this way improve LED light in backlight module in the prior art light earlier than
The phenomenon that showing picture, thus be conducive to be promoted the display effect of display module 100.
Optionally, continuing with-Fig. 6 referring to fig. 4, gate driving circuit 22 provided by the embodiment of the present application includes N+1
Cascade drive element of the grid 36, drive element of the grid 36 include input terminal 26, the first output end 27 and second output terminal 28；Position
Pass through the starting connection control chip 40 of line trigger signal 29 in the input terminal 26 of the drive element of the grid 36 of the first order；Each grid drives
The input terminal 26 of the first output end 27 connection next stage drive element of the grid 36 of moving cell 36, the of each drive element of the grid 36
Two output ends 28 connect grid line 23；The input terminal of backlight drive circuit 32 is electrically connected with starting line trigger signal 29, alternatively, with
First output end 27 of any drive element of the grid 36 in the drive element of the grid 36 of the first order to N+1 grades is electrically connected；Tool
Body, gate driving circuit 22 includes N+1 cascade drive element of the grid 36, and control chip 40 passes through first order gate driving
The input terminal 26 of unit 36 sends starting trigger signal to first order drive element of the grid 36, and first order drive element of the grid 36 is received
Pass through second output terminal 28 after to starting trigger signal and corresponding grid line 23 connects, to give its corresponding pixel list
First row 21 sends driving signal, is scanned to pixel unit row 21.In addition, the first of first order drive element of the grid 36 exports
Input signal of the output signal at end 27 as second level drive element of the grid 36, the first of second level drive element of the grid 36 are defeated
Input signal of the output signal of outlet 27 as third level drive element of the grid 36, the second of second level drive element of the grid 36
Driving signal of the output signal of output end 28 as corresponding pixel unit row 21, and so on, N grades of gate drivings
Input signal of the output signal of first output end 27 of unit 36 as N+1 grades of drive element of the grid 36, second output terminal 28
Driving signal of the output signal as its corresponding pixel unit row 21, in this way, control 40 need of chip pass through starting triggering
Signal wire 29 sends starting trigger signal to first order drive element of the grid 36, without dividing to all drive element of the grid 36
Trigger signal Fa Song not started, drive element of the grid 36 at different levels can be realized, corresponding pixel unit row 21 is swept step by step
It retouches, circuit trace can be effectively reduced, to reduce circuit complexity, improve anti-interference.Furthermore, it is possible to which it is defeated to control chip 40
The output signal of first output end 27 of starting trigger signal or any drive element of the grid 36 out is as backlight drive electricity
The input signal on road 32, driving LED light 31 shine.In this way, the process that backlight drive circuit 32 can be made to drive LED light 31 luminous
It is synchronous with the reception of pixel unit row 21 process of display data signal, or backlight drive circuit driving LED light 31 is made to shine
Process later than pixel unit row 21 receive display data signal process so that in backlight module 30 LED light 31 point
It is bright picture synchronization or to be later than display picture with display, improve LED light 31 in backlight module 30 in the prior art light earlier than
The phenomenon that showing picture, thus be conducive to be promoted the display effect of display module 100 and display device 200.
Optionally, in above-mentioned steps 301, control 40 control gate drive circuit 22 of chip sends to pixel unit row 21 and drives
Dynamic signal, is scanned pixel unit row 21, further are as follows: control chip 40 is by starting line trigger signal 29 to being located at the
The input terminal 26 of the drive element of the grid 36 of level-one sends starting trigger signal, makes gate driving circuit 22 at different levels step by step to right
The pixel unit row 21 answered is scanned.Fig. 4 is referred to, control chip 40 passes through the input terminal of first order drive element of the grid 36
26 send starting trigger signal to first order drive element of the grid 36, and first order drive element of the grid 36 receives starting trigger signal
It is connected later by second output terminal 28 and corresponding grid line 23, so that giving its corresponding pixel unit row 21 sends driving
Signal is scanned pixel unit row 21.In addition, the output signal of the first output end 27 of first order drive element of the grid 36
As the input signal of second level drive element of the grid 36, the output of the first output end 27 of second level drive element of the grid 36 is believed
Input signal number as third level drive element of the grid 36, the output of the second output terminal 28 of second level drive element of the grid 36
Driving signal of the signal as corresponding pixel unit row 21, and so on, the first of N grades of drive element of the grid 36 is defeated
Input signal of the output signal of outlet 27 as N+1 grades of drive element of the grid 36, the output signal conduct of second output terminal 28
The driving signal of its corresponding pixel unit row 21, in this way, control 40 need of chip pass through starting line trigger signal 29 to first
Grade drive element of the grid 36 sends starting trigger signal, without sending starting triggering respectively to all drive element of the grid 36
Signal can be realized drive element of the grid 36 at different levels and be scanned step by step to corresponding pixel unit row 21, can effectively reduce electricity
Road cabling improves anti-interference to reduce circuit complexity.
Optionally, in above-mentioned steps 302, gate driving circuit 22 sends the first trigger signal to backlight drive circuit 32,
Further are as follows: starting line trigger signal sends the first trigger signal to backlight drive circuit 32, alternatively, the first order is to N+1 grades
Drive element of the grid 36 in any drive element of the grid 36 the first output end 27 to backlight drive circuit 32 send first
Trigger signal.Specifically, Fig. 4-Fig. 6 is referred to, control chip 40 can be passed through into starting line trigger signal 29 and backlight drive
Circuit 32 connects, input signal of the starting trigger signal output it as backlight drive circuit 32, or by any grid
Input signal of the output signal of first output end 27 of driving unit 36 as backlight drive circuit 32, driving LED light 31 are sent out
Light, in this way, process and pixel unit row 21 that backlight drive circuit 32 can be made to drive LED light 31 luminous receive display data letter
Number process it is synchronous, or the process that keeps backlight drive circuit driving LED light 31 luminous received later than pixel unit row 21 it is aobvious
Show the process of data-signal, so that LED light 31 is lighted and display picture synchronization or is later than display picture in backlight module 30
Face improves the phenomenon that lighting earlier than display picture of LED light 31 in backlight module 30 in the prior art, thus is conducive to be promoted
The display effect of display module 100 and display device 200.
Through the foregoing embodiment it is found that display module provided by the invention and its driving method and display device, at least in fact
Showed it is following the utility model has the advantages that
In display module and its driving method and display device provided herein, including display panel, backlight module
With control chip, backlight module includes multiple LED light and the backlight drive circuit for driving LED light luminous, display panel packet
The gate driving circuit being electrically connected with multiple pixel unit rows is included, backlight drive circuit driving LED light shines as display panel
Display provides light source.In particular, the backlight drive circuit in the application is electrically connected with gate driving circuit, by gate driving circuit
The first trigger signal is sent to backlight drive circuit, backlight drive circuit is promoted to send enabling signal to LED light.In general, grid
Driving circuit progressively scans pixel unit row, and the pixel unit row being scanned receives display data signal, therefore works as
The application can be such that backlight drive circuit drives using the signal of gate driving circuit as when the trigger signal of backlight drive circuit
The luminous process of dynamic LED light is synchronous with the pixel unit row reception process of display data signal, or drives backlight drive circuit
The luminous process of dynamic LED light receives the process of display data signal later than pixel unit row, that is, makes in backlight module
Lighting for LED light picture synchronization or is later than display picture with display, and being designed in this way improves LED in backlight module in the prior art
The phenomenon that lighting earlier than display picture of lamp, thus be conducive to be promoted the display effect of display module and display device.
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 (12)
1. a kind of display module, which is characterized in that be provided with viewing area and the non-display area around the viewing area, the display
Mould group includes:
Display panel, including being located at multiple pixel unit rows of the viewing area and positioned at the gate driving of the non-display area
Circuit, the gate driving circuit are electrically connected with the pixel unit row, and Xiang Suoshu pixel unit row sends driving signal, described
Pixel unit row includes multiple sub-pixel units；
Backlight module, including being located at multiple LED light of the viewing area and positioned at the backlight drive circuit of the non-display area, institute
It states backlight drive circuit to be electrically connected with the LED light, Xiang Suoshu LED light sends enabling signal；
Chip is controlled, is located at the non-display area, is electrically connected with the gate driving circuit and the sub-pixel unit, and to institute
It states sub-pixel unit and sends data-signal；
Wherein, the backlight drive circuit is also electrically connected with the gate driving circuit, is received the gate driving circuit and is sent
The first trigger signal, first trigger signal for starting the backlight drive circuit, make the backlight drive circuit to
The LED light sends driving signal.
2. display module according to claim 1, which is characterized in that the display panel further includes extending in a first direction
And a plurality of grid line arranged in a second direction and extend in a second direction and along the multiple data lines of first direction arrangement, phase
Adjacent two grid lines and adjacent two data lines, which intersect, limits multiple sub-pixel units；
The gate driving circuit is electrically connected with the grid line, sends grid to the pixel unit row by the grid line
Driving signal；The control chip is electrically connected with the data line, sends number to the sub-pixel unit by the data line
It is believed that number.
3. display module according to claim 2, which is characterized in that the gate driving circuit includes multiple cascade grid
Pole driving unit, the drive element of the grid include input terminal, the first output end and second output terminal；Described in the first order
The input terminal of drive element of the grid connects the control chip by starting line trigger signal, receives the control chip and passes through institute
State the starting trigger signal that starting line trigger signal is sent；First output end of each drive element of the grid connects next stage institute
The input terminal of drive element of the grid is stated, the second output terminal of each drive element of the grid connects the grid line.
4. display module according to claim 3, which is characterized in that the input terminal of the backlight drive circuit be located at most
First output end of the drive element of the grid of rear stage is electrically connected, positioned at the of the drive element of the grid of afterbody
One output end sends first trigger signal to the backlight drive circuit；The output end of the backlight drive circuit with it is described
LED light electrical connection.
5. display module according to claim 3, which is characterized in that the input terminal of the backlight drive circuit is opened with described
Dynamic line trigger signal electrical connection receives the control chip by the starting that the starting line trigger signal is sent and triggers letter
Number, the starting trigger signal is as first trigger signal；The output end of the backlight drive circuit and LED light electricity
Connection.
6. display module according to claim 3, which is characterized in that the drive element of the grid includes N+1 grades, and N is non-
Negative integer；The input terminal and the first order of the backlight drive circuit are any described into N grades of the drive element of the grid
First output end of drive element of the grid is electrically connected, and first output end sends described the to the backlight drive circuit
One trigger signal；The output end of the backlight drive circuit is electrically connected with the LED light.
7. display module according to claim 1, which is characterized in that it further include level translator, the backlight drive electricity
The input terminal on road is electrically connected by the level translator with the gate driving circuit.
8. display module according to claim 1, which is characterized in that the backlight module is down straight aphototropism mode set, institute
LED light is stated to be arranged in array.
9. display module according to claim 8, which is characterized in that the backlight module further includes multiple switch circuit,
Connect the same switching circuit positioned at the LED light of same a line, the output end of the backlight drive circuit respectively with each institute
State switching circuit electrical connection.
10. a kind of display device, which is characterized in that any display module including claim 1 to 9.
11. a kind of driving method of display module, which is characterized in that the display module is provided with viewing area and around described aobvious
Show the non-display area in area, the display module includes:
Display panel, including being located at multiple pixel unit rows of the viewing area and positioned at the gate driving of the non-display area
Circuit, the gate driving circuit are electrically connected with the pixel unit row, and Xiang Suoshu pixel unit row sends driving signal, described
Pixel unit row includes multiple sub-pixel units；
Backlight module, including being located at multiple LED light of the viewing area and positioned at the backlight drive circuit of the non-display area, institute
It states backlight drive circuit to be electrically connected with the LED light, Xiang Suoshu LED light sends enabling signal；The backlight drive circuit also with
The gate driving circuit electrical connection；
Chip is controlled, is located at the non-display area, is electrically connected with the gate driving circuit and the sub-pixel unit, and to institute
It states sub-pixel unit and sends data-signal；
The driving method of the display module includes:
Gate driving circuit described in the control chip controls sends driving signal to the pixel unit row, to the pixel list
First row is scanned；
The gate driving circuit sends the first trigger signal to the backlight drive circuit, starts the backlight drive circuit,
The backlight drive circuit is set to send driving signal to the LED light.
12. the driving method of display module according to claim 11, which is characterized in that the gate driving circuit includes
N+1 cascade drive element of the grid, the drive element of the grid includes input terminal, the first output end and second output terminal；Position
The control chip is connected by starting line trigger signal in the input terminal of the drive element of the grid of the first order；Each grid
The input terminal of drive element of the grid described in the first output end connection next stage of pole driving unit, each drive element of the grid
Second output terminal connects the grid line；
The input terminal of the backlight drive circuit is electrically connected with the starting line trigger signal, alternatively, with the first order to N+1 grades
The drive element of the grid in any drive element of the grid first output end electrical connection；
Gate driving circuit described in the control chip controls sends driving signal to the pixel unit row, to the pixel list
First row is scanned, further are as follows:
The control chip starts input terminal of the line trigger signal to the drive element of the grid for being located at the first order by described
Starting trigger signal is sent, is scanned gate driving circuit at different levels to corresponding pixel unit row step by step；
The gate driving circuit sends the first trigger signal to the backlight drive circuit, further are as follows:
The starting line trigger signal sends the first trigger signal to the backlight drive circuit, alternatively, the first order is to N+1 grades
The drive element of the grid in any drive element of the grid first output end to the backlight drive circuit
Send the first trigger signal.
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