CN106205456A - A kind of driving means reducing right and left eyes picture delay when VR shows and method thereof - Google Patents
A kind of driving means reducing right and left eyes picture delay when VR shows and method thereof Download PDFInfo
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- CN106205456A CN106205456A CN201610689553.1A CN201610689553A CN106205456A CN 106205456 A CN106205456 A CN 106205456A CN 201610689553 A CN201610689553 A CN 201610689553A CN 106205456 A CN106205456 A CN 106205456A
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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
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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
- G09G2310/00—Command of the display device
- G09G2310/06—Details of flat display driving waveforms
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Abstract
The invention discloses a kind of driving means reducing right and left eyes picture delay when VR shows and method thereof, with the driving chip connection for exporting corresponding control signal；Driving means includes drive control module and display module；Described display module includes the left eye row group for exporting left eye video data and for exporting the right eye row group of right eye video data；Drive control module switches at normal mode and VR pattern according to corresponding control signal；When for VR pattern, drive control module sequentially carries out left and right alternate sweep to the often row in described left eye row group and right eye row group；So between left-eye image and eye image, time interval only differs the sweep time of a line, thus the delay that when decreasing VR display, the image of right and left eyes shows.When for normal mode, the often row in described left eye row group and right eye row group is sequentially progressively scanned by drive control module, thus does not interferes with the normal display of mobile terminal.
Description
Technical field
The present invention relates to technical field of mobile terminals, right and left eyes picture delay when in particular a kind of VR of minimizing shows
Driving means and method.
Background technology
At present, a lot of terminals all develop and mobile phone are contained in VR(Virtual Reality, virtual reality) conduct in glasses
The technology of VR display content source.The scan mode of existing Mobile phone screen is all progressive scan from top to bottom, such as Fig. 1 arrow institute
Show.The circuit of display drive apparatus is as shown in Figure 2.N(positive integer) individual series winding trigger composition shift register, when initial letter
During number STV input, each trigger shifts the signal (Gate 1 ~ Gate n) that output is corresponding, each signal control successively
The keying of several display units d of a line processed.When signal is high level, output opened by all display units of a line
The video data of this row.Video data (Line_1 ~ Line_n) the composition display picture of several rows.Several signals
(Gate 1 ~ Gate n) is followed successively by high level from top to bottom by row, it is achieved thereby that the function scanned the most successively by row.
Clock signal CKV, initial signal STV, output enable signal OE, several signals (Gate 1 ~ Gate n) and display number
According to (Display Data) circuit sequence waveform as shown in Figure 3.
Left and right split screen mode is used when VR display uses, as shown in Figure 4 (two circle signal right and left eyes pair when Mobile phone screen does
The viewing area answered), because of existing be progressive scan, the side picture display away from screen scanning starting point can relative delay (interval
Half sweep time), i.e. the display time of the display content of right and left eyes can be spaced the sweep time of screen half, causes corresponding eye
The picture (picture i.e. seen away from those eyes of scanning starting position) that eyeball is seen has delay, then picture seriality is relatively
Difference, affects display effect.
Thus prior art could be improved and improve.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide right and left eyes when a kind of VR of minimizing shows
The driving means of picture delay and method thereof, with solve existing mobile terminal carry out VR display time right and left eyes image display delay
Problem.
It is as follows that the present invention solves the technical scheme that technical problem used:
A kind of driving means of right and left eyes picture delay when reducing VR display, and for exporting the driving core of corresponding control signal
Sheet connects, and it includes drive control module and display module；
Described display module includes the left eye row group for exporting left eye video data and for exporting the right side of right eye video data
Eye row group；
Described drive control module switches at normal mode and VR pattern according to corresponding control signal；When for VR pattern
Time, drive control module sequentially carries out left and right alternate sweep to the often row in described left eye row group and right eye row group；When for normal
During pattern, the often row in described left eye row group and right eye row group is sequentially progressively scanned by drive control module.
When described minimizing VR shows in the driving means of right and left eyes picture delay, the alternate sweep of described left and right is to drive control
Molding block first controls the first row of left eye row group and opens, and exports left eye the first row data；The first row controlling right eye row group again is beaten
Open, export right eye the first row data；Then the second row controlling left eye row group is opened, and exports left eye the second row data；Control again
Second row of right eye row group is opened, and exports right eye the second row data；By that analogy, until the last row controlling right eye row group is beaten
Open, export right eye last row data.
When described minimizing VR shows in the driving means of right and left eyes picture delay, described drive control module includes: choosing
Select device, several left eye triggers, several right eye triggers, several left eyes and door and several right eyes and door；
Several left eye triggers described are connected, and several right eye triggers are connected；Each left eye trigger and right eye trigger
CLK foot is the most connected, input clock signal；The output pin of each left eye trigger connects the positive input foot of corresponding left eye and door, respectively
The output pin of right eye trigger connects the positive input foot of corresponding right eye and door；The data pin of the first left eye trigger connects selection
Another input pin of device, inputs initial signal；The output pin of last left eye trigger connects an input pin of selector, selects
The selection foot input switching signal of device, the output pin of selector connects the first right eye trigger；Each left eye inputs with the reverse of door
Foot is the most connected, and input left eye enables signal；It is right that each left eye is connected respectively with the output pin of door in the left eye row group of display module
Ying Hang；Each right eye is all connected with the reverse input pin of door, and input right eye enables signal；Each right eye is connected respectively with the output pin of door
Corresponding row in the right eye row group of display module.
When described minimizing VR shows in the driving means of right and left eyes picture delay, the number of described left eye trigger, the right side
The eye number of trigger, left eye are the most equal with the number of door with the number of door, right eye.
When described minimizing VR shows in the driving means of right and left eyes picture delay, when described switching signal is high level,
Entering VR pattern, another input pin conducting of selector, initial signal synchronizes input the first left eye trigger and the first right eye touches
Send out in device.
When described minimizing VR shows in the driving means of right and left eyes picture delay, in VR pattern, left eye enables signal
Enabling signal with right eye is periodic pulse signal, and phase half period.
When described minimizing VR shows in the driving means of right and left eyes picture delay, when described switching signal is low level,
Entering normal mode, an input pin conducting of selector, initial signal inputs the first left eye trigger.
When described minimizing VR shows in the driving means of right and left eyes picture delay, in the normal mode, left eye enables letter
Number with right eye enable signal waveform identical.
A kind of driving method of the driving means of right and left eyes picture delay when using described minimizing VR display, comprising:
Step A, drive control module switch at normal mode and VR pattern according to corresponding control signal；
Step B, when for VR pattern, drive control module in left eye row group and right eye row group often row sequentially carry out left and right hand over
For scanning；When for normal mode, the often row in left eye row group and right eye row group is swept by drive control module the most line by line
Retouch.
Compared to prior art, the driving means of right and left eyes picture delay and side thereof when the minimizings VR that the present invention provides shows
Method, is provided for display module exporting the left eye row group of left eye video data and being used for exporting the right eye of right eye video data
Row group；Switched at normal mode and VR pattern according to corresponding control signal by drive control module；When for VR pattern
Time, drive control module sequentially carries out left and right alternate sweep to the often row in described left eye row group and right eye row group；So left eye
Between image and eye image, time interval only differs the sweep time of a line, thus the figure of right and left eyes when decreasing VR display
Delay shown in as.When for normal mode, drive control module is to the often row in described left eye row group and right eye row group sequentially
Progressively scan, thus do not interfere with the normal display of mobile terminal.
Accompanying drawing explanation
Fig. 1 is the progressive scan mode schematic diagram of existing Mobile phone screen.
Fig. 2 is the circuit diagram of existing display drive apparatus.
Fig. 3 is the circuit sequence oscillogram of each signal of existing display drive apparatus.
Fig. 4 is that existing Mobile phone screen makees the progressive scan mode schematic diagram using left and right split screen when VR display uses.
Fig. 5 be the present invention provide minimizing VR display time right and left eyes picture delay the circuit of driving means Application Example
Figure.
Fig. 6 be the present invention provide minimizing VR display time right and left eyes picture delay driving means in drive control module
Circuit diagram.
Fig. 7 is the driving means that provides of present invention circuit sequence oscillogram of each signal when entering VR pattern.
Fig. 8 is the driving means that provides of present invention circuit sequence oscillogram of each signal when entering normal mode.
Fig. 9 be the present invention provide minimizing VR display time right and left eyes picture delay driving method flow chart.
Detailed description of the invention
The present invention provides a kind of driving means and the method thereof of right and left eyes picture delay when reducing VR display.For making the present invention
Purpose, technical scheme and advantage clearer, clear and definite, the embodiment that develops simultaneously referring to the drawings is to the present invention the most specifically
Bright.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 5, the driving means of right and left eyes picture delay and existing driving core when the minimizing VR that the present invention provides shows
Sheet and data driver connect.Driving chip is used for exporting all of control signal, and data driver is for exporting the aobvious of correspondence
Registration evidence.Described driving means includes drive control module 10 and display module 20.Described display module 20 includes for exporting
The left eye row group of left eye video data and for exporting the right eye row group of right eye video data.In left eye row group and right eye row group
Line number is equal, and every a line arranges several display units d.The display unit d of one sub-pixel includes that a TFT(thin film is brilliant
Body pipe), an a storage electric capacity and liquid crystal capacitance.The number of the display unit d of display module 20 and inside thereof and connection are closed
System is prior art, and the present embodiment is improved by having carried out left eye row group and the division of right eye row group to display module 20, as
Shown in Fig. 5, the opening and closing of the corresponding every a line controlled in left eye row group of left set of signal (Gate 1 ~ Gate m) (is equivalent to 1 ~ m
Represent left eye), the opening and closing of right group of corresponding every a line controlled in right eye row group of signal (Gate m+1 ~ Gate 2m) is (quite
Right eye is represented) in m+1 ~ 2m.By left eye row group and right eye row group are carried out different scanning realize respectively normally showing and
VR shows.
Particularly as follows: described drive control module 10 switches at normal mode and VR pattern according to control signal；When for
During VR pattern, drive control module 10 sequentially carries out left and right alternate sweep to the often row in left eye row group and right eye row group.Left and right
Alternate sweep i.e. drive control module 10 first controls the first row of left eye row group and opens, and exports left eye the first row data；Control again
The first row of right eye row group is opened, and exports right eye the first row data；And control left eye row group the second row open, output a left side
Eye the second row data；The second row controlling right eye row group again is opened, and exports right eye the second row data；By that analogy, it is the formation of
The first from left right side one, the second from left right side two, left three right sides three ... the right whole video data way of output at left end.
When switching to normal mode, display module 20 is progressively scanned by drive control module 10, the most existing just
The often scan mode of display, sequentially scans the often row in described left eye row group and right eye row group, the most first every to left eye row group
After row is opened the most successively, the more often row of right eye row group is opened the most successively, define the first from left, the second from left ... left whole, right
One, the right right whole video data way of output of two ....
Seeing also Fig. 5 and Fig. 6, described drive control module 10 connects driving chip and display module 20, all controls
Signal processed is from driving chip.Drive control module 10 include a selector X, several left eye triggers (d type flip flop, F1 ~
Fm), several right eye triggers (Fm+1 ~ F2m), several left eyes and door (A1 ~ Am) and several right eyes and door (Am+1 ~
A2m).Described is that one end reversely inputs (input of Fig. 5 has individual circle) with door, two input and doors of one end forward input.Institute
Stating the series connection of several left eye triggers (F1 ~ Fm), several right eye triggers (Fm+1 ~ F2m) are connected；Each left eye trigger and the right side
The CLK foot of eye trigger is the most connected, input clock signal CKV；The output pin Q of each left eye trigger (F1 ~ Fm) connects corresponding
Left eye and the positive input foot of door (A1 ~ Am), the output pin Q of each right eye trigger (Fm+1 ~ F2m) connects corresponding right eye and door
The positive input foot of (Am+1 ~ A2m)；Such as F1 connection A1, F2 connection A2, by that analogy.The data pin D of the first left eye trigger F1 is even
Meet another input pin b of selector X, input initial signal STV；The output pin Q of last left eye trigger Fm connects selector X
An input pin a, selector X selection foot s input switching signal L/R _ Sync, selector X output pin y connect the first right eye
Trigger Fm+1；Each left eye is all connected with the reverse input pin of door (A1 ~ Am), and input left eye enables signal OE_L；Each left eye with
The output pin (output left eye signal (Gate 1 ~ Gate m)) of door (A1 ~ Am) connects the left eye row of display module 20 respectively
Corresponding row in group；Each right eye is all connected with the reverse input pin of door (Am+1 ~ A2m), and input right eye enables signal OE_R；Each right side
Eye is connected display module respectively with the output pin (output right eye signal (Gate m+1 ~ Gate 2m)) of door (Am+1 ~ A2m)
Corresponding row in the right eye row group of 20.
Wherein, described control signal includes that clock signal CKV, initial signal STV, switching signal L/R _ Sync, left eye enable
Signal OE_L and right eye enable signal OE_R.The present embodiment by increase on the basis of existing driving selector X, one
Switching signal L/R _ Sync and an enable signal realize right and left eyes content synchronization and show, reduce Mobile phone screen and are when VR shows
The delay that right and left eyes image shows.
Seeing also Fig. 7, when switching signal L/R Sync is high level, enter VR pattern, another of selector X is defeated
Entering foot b conducting, initial signal STV synchronizes in input the first left eye trigger F1 and the first right eye trigger Fm+1.When left eye makes
Can signal OE_L be that low level and right eye enable signal OE_R when being high level, left eye enables with door, left eye trigger output height
During level, left eye signal output high level opens the left eye row of correspondence, the left eye row data that output is corresponding.When left eye enables
Signal OE_L is that high level and right eye enable signal OE_R when being low level, and right eye enables with door, the high electricity of right eye trigger output
At ordinary times, right eye signal output high level opens the right eye row of correspondence, the right eye row data that output is corresponding.Corresponding with door
During enable, if trigger output low level, then with the signal of door output low level.Signal OE_L and the right side is enabled based on left eye
It is periodic signal that eye enables signal OE_R, and both phase half period；It is achieved thereby that first control left eye row group
The first row open, then the first row controlling right eye row group is opened, and the second row then controlling left eye row group is opened, then controls the right side
Second row of eye row group is opened, by that analogy；Finally make the alternately output of left eye data and right eye data.In Fig. 7, L_1 ~ L_m represents
Each row video data of left eye row group, R_1 ~ R_m represents each row video data of right eye row group.So left-eye image and right eye figure
Between Xiang, time interval only differs the sweep time of a line, thus the delay that when decreasing VR display, the image of right and left eyes shows.
Seeing also Fig. 8, when switching signal L/R Sync is low level, enter normal mode, selector X selects one
Input pin a turns on, last left eye trigger Fm and the first right eye trigger Fm+1 series connection.Initial signal STV only inputs first
In left eye trigger F1.When left eye enables signal OE_L and right eye enable signal OE_R is low level, left eye and door are with right
Eye all enables with door, now relevant with the output of corresponding trigger to the signal of door output.Left eye enables signal OE_L
Identical with the waveform that right eye enables signal OE_R, synchronize to draw high or drag down.
Each left eye trigger (F1 ~ Fm) is sequentially output high level, then corresponding left eye signal (Gate 1 ~ Gate m)
It is sequentially output high level and opens the left eye row of correspondence, be sequentially output left eye row data (L_1 ~ L_m) of correspondence.
The most each right eye trigger (Fm+1 ~ F2m) is sequentially output high level, corresponding right eye signal (Gate m+1 ~
Gate 2m) be sequentially output high level open correspondence right eye row, be sequentially output correspondence right eye row data (R_1 ~ R_m).Thus
Achieve the mode of normal progressive scan, do not interfere with Mobile phone screen display in the normal mode.
Seeing also Fig. 9, the driving means of right and left eyes picture delay when showing based on above-mentioned minimizing VR, the present invention is also
A kind of driving method is provided, including:
S100, drive control module switch at normal mode and VR pattern according to corresponding control signal；
S200, when for VR pattern, drive control module in left eye row group and right eye row group often row sequentially carry out left and right hand over
For scanning；When for normal mode, the often row in left eye row group and right eye row group is swept by drive control module the most line by line
Retouch.
In sum, the driving means of right and left eyes picture delay and method, Ke Yi during the minimizing VR display of the present invention
Switch between normal mode and VR pattern.When for VR pattern, the often row in left eye row group and right eye row group is sequentially entered
The alternate sweep of row left and right, makes the alternately output of left eye video data and right eye video data；So left-eye image and eye image it
Between, time interval only differs the sweep time of a line, thus the delay that when decreasing VR display, the image of right and left eyes shows.When for
During normal mode, the often row in described left eye row group and right eye row group is sequentially progressively scanned, first exports all left eyes and show
Registration evidence, then export all right eye video datas, thus do not interfere with the normal display of mobile terminal.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Protect scope.
Claims (9)
1. a driving means for right and left eyes picture delay when reducing VR display, with the driving for exporting corresponding control signal
Chip connects, it is characterised in that include drive control module and display module；
Described display module includes the left eye row group for exporting left eye video data and for exporting the right side of right eye video data
Eye row group；
Described drive control module switches at normal mode and VR pattern according to corresponding control signal；When for VR pattern
Time, drive control module sequentially carries out left and right alternate sweep to the often row in described left eye row group and right eye row group；When for normal
During pattern, the often row in described left eye row group and right eye row group is sequentially progressively scanned by drive control module.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 1 display, it is characterised in that described
Left and right alternate sweep is that drive control module first controls the first row of left eye row group and opens, and exports left eye the first row data；Control again
The first row of right eye row group processed is opened, and exports right eye the first row data；Then the second row controlling left eye row group is opened, an output left side
Eye the second row data；The second row controlling right eye row group again is opened, and exports right eye the second row data；By that analogy, until controlling
The last row of right eye row group is opened, and exports right eye last row data.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 1 display, it is characterised in that described
Drive control module includes: if selector, several left eye triggers, several right eye triggers, several left eyes and door and
Dry right eye and door；
Several left eye triggers described are connected, and several right eye triggers are connected；Each left eye trigger and right eye trigger
CLK foot is the most connected, input clock signal；The output pin of each left eye trigger connects the positive input foot of corresponding left eye and door, respectively
The output pin of right eye trigger connects the positive input foot of corresponding right eye and door；The data pin of the first left eye trigger connects selection
Another input pin of device, inputs initial signal；The output pin of last left eye trigger connects an input pin of selector, selects
The selection foot input switching signal of device, the output pin of selector connects the first right eye trigger；Each left eye inputs with the reverse of door
Foot is the most connected, and input left eye enables signal；It is right that each left eye is connected respectively with the output pin of door in the left eye row group of display module
Ying Hang；Each right eye is all connected with the reverse input pin of door, and input right eye enables signal；Each right eye is connected respectively with the output pin of door
Corresponding row in the right eye row group of display module.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 3 display, it is characterised in that described
The number of left eye trigger, the number of right eye trigger, left eye are the most equal with the number of door with the number of door, right eye.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 3 display, it is characterised in that described
When switching signal is high level, entering VR pattern, another input pin conducting of selector, initial signal synchronizes input the first left eye
In trigger and the first right eye trigger.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 5 display, it is characterised in that at VR
In pattern, left eye enables signal and right eye enable signal is periodic pulse signal, and phase half period.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 3 display, it is characterised in that described
When switching signal is low level, entering normal mode, an input pin conducting of selector, initial signal inputs the first left eye and triggers
Device.
The driving means of right and left eyes picture delay during minimizing VR the most according to claim 3 display, it is characterised in that just
In norm formula, it is identical with the waveform that right eye enables signal that left eye enables signal.
9. a driving method for the driving means of right and left eyes picture delay when using the minimizing VR display described in claim 1,
It is characterized in that, including:
Step A, drive control module switch at normal mode and VR pattern according to corresponding control signal；
Step B, when for VR pattern, drive control module in left eye row group and right eye row group often row sequentially carry out left and right hand over
For scanning；When for normal mode, the often row in left eye row group and right eye row group is swept by drive control module the most line by line
Retouch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610689553.1A CN106205456B (en) | 2016-08-19 | 2016-08-19 | Driving device and method for reducing left-eye image delay and right-eye image delay in VR display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610689553.1A CN106205456B (en) | 2016-08-19 | 2016-08-19 | Driving device and method for reducing left-eye image delay and right-eye image delay in VR display |
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Cited By (4)
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| CN107610637A (en) * | 2017-11-03 | 2018-01-19 | 武汉天马微电子有限公司 | A kind of display panel and its display methods and electronic equipment |
| CN108831369A (en) * | 2018-06-29 | 2018-11-16 | 厦门天马微电子有限公司 | A kind of display panel and driving method |
| CN109632263A (en) * | 2018-12-29 | 2019-04-16 | 北京理工大学 | A kind of mobile delay measuring method of the VR helmet based on grating scale |
| CN109765035B (en) * | 2018-12-29 | 2020-06-30 | 北京理工大学 | Mobile delay measurement method of VR helmet based on gradient coding |
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| CN103969834A (en) * | 2013-01-25 | 2014-08-06 | 群创光电股份有限公司 | Two dimensional/three dimensional switchable display module and a method of driving the same |
| CN105700688A (en) * | 2016-03-17 | 2016-06-22 | 京东方科技集团股份有限公司 | Virtual reality/augmented reality device |
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