CN108269543A - Sequence controller and display panel - Google Patents
Sequence controller and display panel Download PDFInfo
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- CN108269543A CN108269543A CN201810045454.9A CN201810045454A CN108269543A CN 108269543 A CN108269543 A CN 108269543A CN 201810045454 A CN201810045454 A CN 201810045454A CN 108269543 A CN108269543 A CN 108269543A
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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
- G09G3/36—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
Abstract
The present invention provides a kind of sequence controller, including：Signal is loaded into unit, timing control output module；And detecting module, connection signal are loaded into unit and timing control output module；Whether the data that detecting module is used to that signal to be examined to be loaded into unit, which are loaded into, is completed and examines whether the sequential of timing control output module normally exports, and export corresponding effective index signal according to inspection result；Video exports handover module, for exporting black picture or in due course output video image according to effective index signal.
Description
Technical field
The present invention relates to display technology field more particularly to a kind of sequence controller and with the sequence controller display
Panel.
Background technology
Liquid crystal display, for the display equipment of planar ultra-thin, it is made of a certain number of colored or monochrome pixels, puts
It is placed in front of light source or reflecting surface.Liquid crystal display power consumption is very low, and with high image quality, it is small, light-weight the characteristics of,
Therefore favored by everybody, become the mainstream of display.At present liquid crystal display be based on Thin Film Transistor-LCD,
Liquid crystal display panel is the primary clustering of liquid crystal display.Liquid crystal display panel generally comprise the color membrane substrates being oppositely arranged, array substrate with
And put down liquid crystal layer between two substrates.With the development of flat panel display, people to the quality requirements of picture increasingly
Height, including brightness, colorfulness, resolution ratio, visual angle, refresh rate etc..
In the prior art, after the completion of sequence controller powers on, after generally setting several or tens frame image temporals, just just
Often output picture, black picture is shown in that several or tens frames time；In this case, it constantly to attempt then
It is that how many frame are suitable, the time that different sequence controllers reads flash is different, and corresponding initialization time is also different；
The setting of initialization time picture frame is excessive, and Display panel black picture is long, is unfavorable for the visual experience of spectators, initialization time
Picture frame setting is very few, and panel can show chaotic picture.
In conclusion the sequence controller of the prior art, the number of image frames of the initialization time before picture is exported is bad
It determines, is susceptible to that Display panel black picture is long or the chaotic picture of display, initial picture will influence viewer's extremely
Visual experience.
Invention content
The present invention provides a kind of sequence controller and the display panel with the sequence controller, which increases
It is used for after sequence controller powers on completion, the module of in due course output video image, to solve the sequential control of the prior art
Device processed, the number of image frames of the initialization time before picture is exported is bad to be determined, it is long to be susceptible to Display panel black picture
Or the chaotic picture of display, the technical issues of initial picture will influence the visual experience of viewer extremely.
To solve the above problems, technical solution provided by the invention is as follows：
The present invention provides a kind of sequence controller, including：
Signal is loaded into unit, for being loaded into single-chip data, gamma data, timing control data, IP tables data and going
Color spot data；
Timing control output module, for exporting corresponding clock signal according to the timing control data；And
Detecting module connects the signal and is loaded into unit and the timing control output module；The detecting module is used for
It examines the single-chip data, gamma data, timing control data, IP tables data and goes whether color spot data are loaded into completion,
And examine whether the sequential normally exports, and corresponding effective index signal is exported according to inspection result；
Video exports handover module, connects the detecting module；The video output handover module is used to have according to
It imitates indication signal and exports black picture or in due course output video image.
According to one preferred embodiment of the present invention, when the detecting module verify the single-chip data, gamma data, when
Sequence controls data, IP tables data and color spot data is gone to be loaded into and completes and the sequential is when normally exporting, and exports high level；When
The detecting module verifies the single-chip data, gamma data, timing control data, IP tables data and goes color spot data
When unfinished loading and/or the sequential do not export normally, low level is exported.
According to one preferred embodiment of the present invention, when the effective index signal that video output handover module receives is
During low level, black picture is exported；When the effective index signal that video output handover module receives is high level, in due course
Output video image.
According to one preferred embodiment of the present invention, do not have when the duration for detecting the high level with the video addressing time
During overlapping, the video exports the normal output video image of handover module；When the duration and institute that detect the high level
When stating the video addressing time has overlapping, the video exports handover module in next frame output video image.
According to one preferred embodiment of the present invention, the timing control output module of the sequence controller is connected with to show
The grid signal drive module of control, the video output handover module is connected with drives mould for the data-signal of display control
Block.
According to one preferred embodiment of the present invention, the signal be loaded into unit insmod including single-chip data, gamma number
According to insmod, timing control data insmod, IP table data insmod and go color spot data to insmod.
Above-mentioned purpose according to the present invention provides a kind of display panel, including the array substrate being oppositely arranged and color film base
Plate；The display area that the array substrate corresponds to the display panel is provided with thin film transistor (TFT), the connection film crystal
The scan line of tube grid and the data line of the connection thin film transistor (TFT) source electrode；The array substrate corresponds to the display
The non-display area of panel is provided with the number of the grid signal drive module for connecting the scan line and the connection data line
According to signal driver module and the timing control of the connection grid signal drive module and the data-signal drive module
Device；
Wherein, the sequence controller includes：
Signal is loaded into unit, for being loaded into single-chip data, gamma data, timing control data, IP tables data and going
Color spot data；
Timing control output module, for exporting corresponding clock signal according to the timing control data；And
Detecting module connects the signal and is loaded into unit and the timing control output module；The detecting module is used for
It examines the single-chip data, gamma data, timing control data, IP tables data and goes whether color spot data are loaded into completion,
And examine whether the sequential normally exports, and corresponding effective index signal is exported according to inspection result；
Video exports handover module, connects the detecting module；The video output handover module is used to have according to
It imitates indication signal and exports black picture or in due course output video image.
According to one preferred embodiment of the present invention, when the detecting module verify the single-chip data, gamma data, when
Sequence controls data, IP tables data and color spot data is gone to be loaded into and completes and the sequential is when normally exporting, and exports high level；
When the detecting module verify the single-chip data, gamma data, timing control data, IP tables data and
Color spot data is gone not complete loading and/or the sequential when not exporting normally, export low level.
According to one preferred embodiment of the present invention, when the effective index signal that video output handover module receives is
During low level, black picture is exported；
When the effective index signal that video output handover module receives is high level, video figure is exported in due course
Picture.
According to one preferred embodiment of the present invention, do not have when the duration for detecting the high level with the video addressing time
During overlapping, the video exports the normal output video image of handover module；
When the duration for detecting the high level having overlapping with the video addressing time, the video outputting cutting
Block is changed the mold in next frame output video image.
Beneficial effects of the present invention are：After the completion of the sequence controller powers on, the detecting module examines items in time
Prepare whether data are loaded into completion and whether clock signal can normally export, and export indication signal in time and exported to video and switched
Module performs melanism face or video image output, so as to avoid the melanism face of initial picture setting overlong time or video pictures
The technical issues of chaotic.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution of the prior art
Attached drawing is briefly described needed in description, it should be apparent that, the accompanying drawings in the following description is only some invented
Embodiment, for those of ordinary skill in the art, without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is sequence controller structure diagram provided by the invention.
Fig. 2 is the video image sequence diagram of the prior art.
Fig. 3 is display panel structure schematic diagram provided by the invention.
Specific embodiment
The explanation of following embodiment is with reference to additional diagram, to illustrate the particular implementation that the present invention can be used to implementation
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be illustrate and understand the present invention rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention is directed to the sequence controller of the prior art, and the number of image frames of the initialization time before picture is exported is bad
It determines, is susceptible to that Display panel black picture is long or the chaotic picture of display, initial picture will influence viewer's extremely
The technical issues of visual experience, the present embodiment can solve the defect.
As shown in Figure 1, sequence controller provided by the invention, is loaded into unit including signal, timing control output module, detects
Survey module and video output handover module；The signal is loaded into unit and connect the detecting with the timing control output module
Module, the detecting module connect the video output handover module；The timing control output module connection display panel
Grid signal drive module, the outputting data signals drive module of the video output handover module connection display panel.
Unit insmods including single-chip data, gamma data insmods, timing control data for the signal loading
It insmods, IP table data insmod and go color spot data to insmod；After the power supply of sequence controller is ready to, meeting
Single-chip data voluntarily is loaded into from memory, after being loaded into the single-chip data, starts to be loaded into the gamma data, then open
Begin to be loaded into timing control data, and then, be loaded into timing control data, be loaded into after the timing control data, when described
Sequence control output module can export corresponding sequential, black picture exportable at this time, next, opening according to the timing control data
Begin to be loaded into IP table data, for example, the IP tables data include the data such as white balance, algorithm data of overdriving, finally, be loaded into discoloration
Spot data, it is described color spot data packet to be gone to include grayscale color spot data and RGB is gone to go color spot data, wherein, the RGB removes color spot number
According to three times of the data volume that color spot data are gone for the grayscale, therefore RGB goes the loading time of color spot data longer.Meanwhile
In the sequence controller of different model, the loading time of identical data may be different, can not determine that sequence controller is powering on it
The lasting frame number of black picture is exported afterwards.
The detecting module connects the signal and is loaded into unit and the timing control output module；The detecting module
For examining the single-chip data, gamma data, timing control data, IP tables data and going whether color spot data have been loaded into
Into and examine whether the sequential normally exports, and corresponding effective index signal is exported according to inspection result；For example, work as
After the completion of the single-chip data is loaded into, the single-chip data corresponding register that insmods is set to 1, the detecting module
When examining the single-chip data, inspection can be obtained by reading the single-chip data corresponding buffer status that insmods
Test result；Other data, which insmod, equally has corresponding register configuration, after the completion for the treatment of that corresponding data are loaded into, deposit
Utensil has a different positions, the detecting module read write-in address can inspection data whether be loaded into；It is also, superfluous according to recycling
Remaining check code can verify each data insmod loading data it is whether correct.
The detecting module exports corresponding effective index signal according to inspection result；For example, when the detecting module is examined
It tests out the single-chip data, gamma data, timing control data, IP tables data and color spot data is gone to be loaded into completion and institute
When stating sequential and normally exporting, high level is exported；When the detecting module verifies the single-chip data, gamma data, sequential
Control data, IP tables data and color spot data is gone not complete loading and/or the sequential when not exporting normally, export low electricity
It is flat.
When the effective index signal that video output handover module receives is low level, black picture is exported；When
The effective index signal that the video output handover module receives is high level, and in due course output video image is described in due course
Output video image includes：In present frame output video image or in next frame output video image.
Using sequence controller provided in an embodiment of the present invention, can it is each the data that be loaded into is needed to be loaded into and complete after,
Effective index signal is sent out in time, indicates whether output black picture or video image, the melanism face of initial picture can be avoided to set
It puts overlong time influence viewing experience or melanism face sets time too short the technical issues of causing video pictures chaotic.
As shown in Fig. 2, the sequential that sequence controller exports a frame video image includes line synchronising signal HSync, field synchronization
Along signal Back Porch, top/left part side after signal VSync, lock-out pulse rising edge signal Front Porch, lock-out pulse
Frame signal Top/Left Border, video addressing time Addressable Video and bottom/right part frame signal Bottom/
Right Border are blanking time Blanking after this frame video image, export next frame video image later；It is described
The line synchronising signal HSync and field sync signal VSync exports high level in the blanking time Blanking.
When the detecting module output effective index signal that video output handover module receives is high level, and
When detecting the duration of the high level and video addressing time Addressable Video not be overlapped, the video
Handover module is exported in the normal output video image of present frame；It is sought when the duration for detecting the high level with the video
When location time Addressable Video have overlapping, the video exports handover module in next frame output video image；If
When the high level of the detecting module output is Chong Die with the video addressing time Addressable Video, it may appear that picture
The abnormal show that flicker or picture separate.
As shown in figure 3, above-mentioned purpose according to the present invention, provides a kind of display panel, including the array base being oppositely arranged
Plate and color membrane substrates；The display area that the array substrate corresponds to the display panel is provided with thin film transistor (TFT) 201, connection
The scan line 202 of 201 grid of thin film transistor (TFT) and the data line 203 of connection 201 source electrode of thin film transistor (TFT)；Institute
It states array substrate and the grid signal driving for connecting the scan line 202 is provided with corresponding to the non-display area of the display panel
Data-signal drive module 205 and connection the grid signal driving mould of module 204 and the connection data line 203
The sequence controller 206 of block 204 and the data-signal drive module 205；The sequence controller 206 includes：Signal is loaded into
Unit, for being loaded into single-chip data, gamma data, timing control data, IP tables data and going color spot data；Timing control
Output module, for exporting corresponding clock signal according to the timing control data；And detecting module, connect the letter
Number it is loaded into unit and the timing control output module；The detecting module for examine the single-chip data, gamma data,
Timing control data, IP tables data and go whether color spot data are loaded into completion and examine whether the sequential normally exports,
And corresponding effective index signal is exported according to inspection result；Video exports handover module, connects the detecting module；It is described to regard
Frequency output handover module is used to export black picture or in due course output video image according to the effective index signal.
Beneficial effects of the present invention are：After the completion of the sequence controller 206 powers on, the detecting module is examined each in time
Item prepares whether data are loaded into completion and whether clock signal can normally export, and exports indication signal in time and give video outputting cutting
It changes the mold block and performs melanism face or video image output, so as to which the melanism face of initial picture setting overlong time or video is avoided to draw
The technical issues of face is chaotic.
In conclusion although the present invention is disclosed above with preferred embodiment, above preferred embodiment is not to limit
The system present invention, those of ordinary skill in the art without departing from the spirit and scope of the present invention, can make various changes and profit
Decorations, therefore protection scope of the present invention is subject to the range that claim defines.
Claims (10)
1. a kind of sequence controller, which is characterized in that including：
Signal is loaded into unit, for being loaded into single-chip data, gamma data, timing control data, IP tables data and removing color spot
Data；
Timing control output module, for exporting corresponding clock signal according to the timing control data；And
Detecting module connects the signal and is loaded into unit and the timing control output module；The detecting module is used to examine
The single-chip data, gamma data, timing control data, IP tables data and go color spot data whether be loaded into completion and
It examines whether the sequential normally exports, and corresponding effective index signal is exported according to inspection result；
Video exports handover module, connects the detecting module；The video output handover module is used for according to effective finger
Show that signal exports black picture or in due course output video image.
2. sequence controller according to claim 1, which is characterized in that
When the detecting module verifies the single-chip data, gamma data, timing control data, IP tables data and discoloration
When the loading of spot data is completed and the sequential normally exports, high level is exported；
When the detecting module verifies the single-chip data, gamma data, timing control data, IP tables data and discoloration
Spot data do not complete loading and/or the sequential when not exporting normally, export low level.
3. sequence controller according to claim 2, which is characterized in that
When the effective index signal that video output handover module receives is low level, black picture is exported；
When the effective index signal that video output handover module receives is high level, in due course output video image.
4. sequence controller according to claim 3, which is characterized in that
When detecting the duration of the high level and not be overlapped video addressing time, the video exports handover module
Normal output video image；
When the duration for detecting the high level having overlapping with the video addressing time, the video outputting cutting mold changing
Block is in next frame output video image.
5. sequence controller according to claim 1, which is characterized in that the timing control output mould of the sequence controller
Block is connected with the grid signal drive module for display control, and the video output handover module is connected with for display control
Data-signal drive module.
6. sequence controller according to claim 1, which is characterized in that the signal is loaded into unit and includes single-chip data
It insmods, gamma data insmods, timing control data insmod, IP table data insmod and go color spot data
It insmods.
7. a kind of display panel, which is characterized in that including the array substrate being oppositely arranged and color membrane substrates；The array substrate pair
The display area of display panel described in Ying Yu be provided with thin film transistor (TFT), the connection thin-film transistor gate scan line, with
And the data line of the connection thin film transistor (TFT) source electrode；The non-display area that the array substrate corresponds to the display panel is set
The grid signal drive module for connecting the scan line and the data-signal drive module of the connection data line are equipped with, with
And connect the sequence controller of the grid signal drive module and the data-signal drive module；
Wherein, the sequence controller includes：
Signal is loaded into unit, for being loaded into single-chip data, gamma data, timing control data, IP tables data and removing color spot
Data；
Timing control output module, for exporting corresponding clock signal according to the timing control data；And
Detecting module connects the signal and is loaded into unit and the timing control output module；The detecting module is used to examine
The single-chip data, gamma data, timing control data, IP tables data and go color spot data whether be loaded into completion and
It examines whether the sequential normally exports, and corresponding effective index signal is exported according to inspection result；
Video exports handover module, connects the detecting module；The video output handover module is used for according to effective finger
Show that signal exports black picture or in due course output video image.
8. display panel according to claim 7, which is characterized in that
When the detecting module verifies the single-chip data, gamma data, timing control data, IP tables data and discoloration
When the loading of spot data is completed and the sequential normally exports, high level is exported；
When the detecting module verifies the single-chip data, gamma data, timing control data, IP tables data and discoloration
Spot data do not complete loading and/or the sequential when not exporting normally, export low level.
9. display panel according to claim 8, which is characterized in that
When the effective index signal that video output handover module receives is low level, black picture is exported；
When the effective index signal that video output handover module receives is high level, in due course output video image.
10. display panel according to claim 9, which is characterized in that
When detecting the duration of the high level and not be overlapped video addressing time, the video exports handover module
Normal output video image；
When the duration for detecting the high level having overlapping with the video addressing time, the video outputting cutting mold changing
Block is in next frame output video image.
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| CN201810045454.9A CN108269543B (en) | 2018-01-17 | 2018-01-17 | Time schedule controller and display panel |
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