CN105427822A - Gray-scale compensation data resetting device and method - Google Patents
Gray-scale compensation data resetting device and method Download PDFInfo
- Publication number
- CN105427822A CN105427822A CN201511008076.XA CN201511008076A CN105427822A CN 105427822 A CN105427822 A CN 105427822A CN 201511008076 A CN201511008076 A CN 201511008076A CN 105427822 A CN105427822 A CN 105427822A
- Authority
- CN
- China
- Prior art keywords
- gray scale
- scale compensation
- data
- compensation data
- control signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention discloses a gray-scale compensation data resetting device, which comprises an image data acquisition circuit, a signal processing circuit and a data recorder, wherein the image data acquisition circuit acquires image data of an original image displayed by a liquid crystal display panel; the signal processing circuit stores and processes the image data to obtain gray-scale compensation data; the gray-scale compensation data are transmitted to the data recorder; the data recorder erases original data in a memory and writes the gray-scale compensation data in the memory; and the data recorder transmits a first resetting control signal and a second resetting control signal to the liquid crystal display panel, the first resetting control signal is used for controlling a switching circuit to be on or off, and the second resetting control signal is used for controlling a time sequence controller to be started. The gray-scale compensation data resetting device has a short gray-scale compensation data resetting period, and the production efficiency can be improved.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly relating to a kind of gray scale compensation data reset apparatus for repairing display panels and method.
Background technology
Display panels plays more and more important role in life now.Due to the processing procedure more complicated of display panels, more technologic flaws easily cause the display brightness of the display panels produced uneven, thus form various moir patterns (Mura), and then affect the display effect of display panels.Because in order to the brightness uniformity promoting display panels, the method (De-mura) that usual employing grey decision-making compensates, such as, in the peripheral regions of display panels, adopt the moir patterns form of several GTG in high resolution camera shooting 0 ~ 255 GTG, such as respectively choose a GTG in low gray-scale areas, middle gray-scale areas and high gray region to take, and the brightness of taken moir patterns and the brightness of central area are contrasted, then calculate the difference of the brightness of peripheral regions and the brightness of central area.According to the difference of the brightness of peripheral regions and the brightness of central area, compensate the grey decision-making corresponding to the region that there is moir patterns, that is: brighter than central area region, reduces its grey decision-making, makes this region dimmed; The region darker than central area, improves its grey decision-making, and this region is brightened, thus makes the whole display surface of display panels reach more consistent brightness.
In the production run of display panels, the various defect of easy appearance, inevitably to carry out heavy industry (rework) to some display panels, there will be the situation that the actual GTG difference that should compensate of original offset data in storer and display panels is inconsistent in heavy industry process, cause removing Mura phenomenon.Therefore, before carrying out De-mura operation, first must to remove the original offset data in storer, display panels is made to manifest its original mura state, then correct gray scale compensation data are re-write, namely gray scale compensation data are reset, thus remove mura phenomenon, repair display panels.
Refer to Fig. 1, in the prior art, the display panels 100 ' needed rework respectively with pictcure generator (Picturegenerator, PG) 300 ' and De-mura device 200 ' connect, described De-mura device 200 ' is connected to time schedule controller 130 ' in display panels 100 ' and storer 110 ', connected by on-off circuit 120 ' between time schedule controller 130 ' and storer 110 ', the reset process of gray scale compensation data needs restarting of gauge tap circuit 120 ' and described time schedule controller 130 ' by a reset control signal Reset.When De-mura device 200 ' carries out data erase and data write to storer 110 ', reset control signal Reset is low level, and on-off circuit 120 ' disconnects, meanwhile, and time schedule controller 130 ' break-off.Now, described display panels cannot show image, namely the original form of Mura cannot be shown, after can only waiting for that the process of De-mura device 200 ' to original offset data erasing of described storer 110 ' terminates, the view data of original Mura could be gathered, thus calculate corresponding gray scale compensation data, again described gray scale compensation data are write in described storer 110 ', now, Reset signal becomes high level from low level, because time schedule controller 130 ' is different with the characteristic of storer 110 ' in this process, when time schedule controller 130 ' complete restart time, storer 110 ' still not with the conducting of described time schedule controller 130 ', so that time schedule controller 130 ' cannot read the gray scale compensation data in storer 110 ', thus cause described display panels 100 ' that revised image cannot be shown.Revised image can be shown to make described display panels 100 ', need to restart PG300 ', due to PG300 ' restart after have strict sequential control, so storer 110 ' can be connected with described time schedule controller 130 ' in time, thus the gray scale compensation data that may be read in described storer 110 ', thus show revised image.But, in above-mentioned gray scale compensation process, De-mura device 200 ' completes the whole process that original offset data is wiped and PG300 ' is restarted of described storer 110 ' consuming time longer, this cycle that gray scale compensation data of single chip liquid crystal display panel in prior art are reset is longer, not only cause time waste, and cause production efficiency low, be unfavorable for a large amount of production.
Summary of the invention
Technical matters to be solved by this invention is, provides a kind of gray scale compensation data reset apparatus, and the cycle that described gray scale compensation data reset apparatus resets gray scale compensation data is short, can enhance productivity.
The present invention also provides a kind of gray scale compensation data resetting method.
In order to solve the problems of the technologies described above, the present invention by the following technical solutions:
On the one hand, the invention provides a kind of gray scale compensation data reset apparatus for repairing display panels, described display panels is connected with described gray scale compensation data reset apparatus, and comprising on-off circuit and the storer that is connected with described on-off circuit and time schedule controller, described gray scale compensation data reset apparatus comprises image data acquiring circuit, signal processing circuit and data recording device; Described image data acquiring circuit gathers the view data of the original image shown by described display panels, described signal processing circuit is connected to described image data acquiring circuit and described data recording device respectively, and view data described in Storage and Processing is to obtain gray scale compensation data, and described gray scale compensation data are transferred to described data recording device, the legacy data in described storer wiped by described data recording device, writes in described storer by described gray scale compensation data; Described data recording device sends the first reset control signal and the second reset control signal extremely described display panels, described first reset control signal is turned on or off for controlling described on-off circuit, and described second reset control signal starts for controlling described time schedule controller.
Wherein, when described first reset control signal is in low level state, described on-off circuit is in off-state, off state is between described storer and described time schedule controller, described time schedule controller receives the view data that described gray scale compensation data reset apparatus sends, and makes described display panels show original image; When described first reset control signal is in high level state, described on-off circuit is in conducting state, conducting between described storer and described time schedule controller, described time schedule controller reads the gray scale compensation data write in described storer, makes described display panels show revised image.
Wherein, described gray scale compensation data reset apparatus also comprises connector, and the on-off circuit of described connector and described display panels, storer and time schedule controller are connected.
Wherein, described connector comprises the first pin, second pin, 3rd pin, first signal wire and secondary signal line, described first pin is connected to described storer, described second pin and described 3rd pin are connected to described data recording device, described first signal wire connects described second pin and described on-off circuit, described secondary signal line connects described 3rd pin and described time schedule controller, described first signal wire is for transmitting described first reset control signal to described on-off circuit, described secondary signal line is for transmitting described second reset control signal to described time schedule controller.
Wherein, described gray scale compensation data reset apparatus also comprises pictcure generator, and described pictcure generator is connected with described time schedule controller, and provides view data to described time schedule controller, makes described display panels show image.
On the other hand, the present invention also provides a kind of gray scale compensation data resetting method, adopts above-mentioned gray scale compensation data reset apparatus, comprising:
Send the on-off circuit of the first reset control signal to display panels, described first reset control signal is made to be in low level state, disconnect to make described on-off circuit, the data recording device of gray scale compensation data reset apparatus and storer conducting, meanwhile, send the second reset control signal to time schedule controller, make described second reset control signal become high level from low level, restart to make described time schedule controller and with pictcure generator conducting, described display panels display original image;
Send erasing and control signal to described storer to wipe the legacy data in described storer, and gather the view data of the original image shown by described display panels simultaneously;
Store described view data and computing is carried out to described view data, to obtain gray scale compensation data; And
Send write control signal to described storer, described gray scale compensation data are write in described storer.
Wherein, described gray scale compensation data resetting method also comprises:
Described display panels is connected to described pictcure generator, and lights the backlight module in described display panels.
Wherein, described step gathers the view data of the original image shown by described display panels, comprising:
Described original image is taken, obtains corresponding Target Photo, and the optical information of described Target Photo is converted into corresponding view data.
Wherein, described step stores described view data and carries out computing to described view data, to obtain gray scale compensation data, comprising:
Store described view data, original gray-scale value in view data corresponding with the pixel of the central area of described original image for original gray-scale value in view data corresponding to multiple pixels of the neighboring area of described original image is contrasted, draw the difference of the original gray-scale value of the original gray-scale value of the multiple described pixel of described neighboring area and the pixel of described central area, draw the gray scale compensation data of the multiple described pixel of described neighboring area according to described difference, form pre-stored gray scale compensation data;
The original gray-scale value corresponding according to described pre-stored gray scale compensation data, described pre-stored gray scale compensation data and the original gray-scale value of other pixels calculate the gray scale compensation data of other pixels described, obtain computing gray scale compensation data; Wherein, described gray scale compensation data comprise described pre-stored gray scale compensation data and described computing gray scale compensation data.
Wherein, send write control signal to described storer in described step, after described gray scale compensation data are write in described storer, also comprise:
Described first reset control signal is set to high level, makes conducting between described storer and described time schedule controller; And
Described second reset control signal be set to and become high level from low level, to make described time schedule controller restart, described time schedule controller reads the gray scale compensation data in described storer, makes described display panels show revised image.
Compared with prior art, technical scheme of the present invention at least has following beneficial effect:
Gray scale compensation data reset apparatus of the present invention comprises image data acquiring circuit, signal processing circuit and data recording device, described image data acquiring circuit gathers the view data of the original image shown by display panels, described view data is carried out storage row operation of going forward side by side and is obtained gray scale compensation data by described signal processing circuit, and described gray scale compensation data are supplied to described data recording device, the content in described storer wiped by described data recording device, described gray scale compensation data are write in described storer, described data recording device sends the first reset control signal and the second reset control signal extremely described display panels, described first reset control signal is turned on or off for controlling described on-off circuit, described second reset control signal starts for controlling described time schedule controller.The first reset control signal sent due to described data recording device and the second reset control signal, be respectively used to control described on-off circuit and described time schedule controller, thus described on-off circuit can be controlled separately and control described time schedule controller separately, while the legacy data in described storer wiped by described data recording device, described time schedule controller can be separately display panels transmit image data, thus make described display panels show original image, for described image data acquiring circuit acquisition of image data, therefore, shorten the cycle resetting gray scale compensation data and reset.In addition, while on-off circuit conducting described in the first reset control signal controls, described time schedule controller can be controlled by described second reset control signal to restart, thus and conducting between storer, read the gray scale compensation data in described storer, make display panels show revised image; Only needing 1 to 2 second time owing to restarting described time schedule controller, needing 10 seconds compared to restarting PG in prior art, further shorten the cycle that gray scale compensation data reset, enhance productivity.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other mode of texturing can also be obtained according to these accompanying drawings.
Fig. 1 is the electrical block diagram that in prior art, gray scale compensation data reset apparatus is connected with the display panels needed rework;
Fig. 2 is the electrical block diagram that gray scale compensation data reset apparatus of the present invention is connected with the display panels needed rework; And
Fig. 3 is the sequential chart of the first reset control signal of sending of gray scale compensation data reset apparatus of the present invention and the second reset control signal.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In addition, the explanation of following embodiment is with reference to additional diagram, can in order to the specific embodiment implemented in order to illustrate the present invention.The direction term mentioned in the present invention, such as, " on ", D score, "front", "rear", "left", "right", " interior ", " outward ", " side " etc., it is only the direction with reference to annexed drawings, therefore, the direction term used be in order to better, be illustrated more clearly in and understand the present invention, instead of instruction or infer the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; It can be mechanical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.
In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.If there is the term of " operation " in this instructions, it not only refers to independently operation, when cannot clearly distinguish with other operations, as long as the effect that can realize desired by this operation is then also included within this term.In addition, refer to by the numerical range that "-" represents the scope that the numerical value recorded before and after "-" is included as minimum value and maximal value in this instructions.In the accompanying drawings, the unit that structure is similar or identical represents with identical label.
Refer to Fig. 2, Fig. 2 is the electrical block diagram that gray scale compensation data reset apparatus of the present invention is connected with the display panels needed rework, and gray scale compensation data reset apparatus of the present invention is for repairing situation that in display panels 100, grey decision-making is inconsistent effectively to remove Mura phenomenon.Described display panels comprises storer 110, on-off circuit 120 and time schedule controller 130, wherein, described storer 110 is electrically connected with described on-off circuit 120, and described on-off circuit 120 is electrically connected successively with the electric connection of described time schedule controller 130 and described storer 110, described on-off circuit 120 and described time schedule controller 130.
In an embodiment of the present invention, described gray scale compensation data reset apparatus 200 is connected with described display panels 100, and described gray scale compensation data reset apparatus 200 comprises image data acquiring circuit 210, signal processing circuit 220 and data recording device 230.
Described image data acquiring circuit 210 is for gathering the view data of the original image shown by described display panels 100; Wherein, described original image, refers to that described display panels 100 is without the image shown by gray scale compensation.Described signal processing circuit 220 is connected to described image data acquiring circuit 210 and described data recording device 230 respectively, obtain gray scale compensation data for described view data being carried out storage row operation of going forward side by side, and described gray scale compensation data are transferred to described data recording device 230; Described gray scale compensation data for wiping the legacy data in described storer 110, and write in described storer 110 by described data recording device 230.In addition, described data recording device 230 is also for sending the first reset control signal and the second reset control signal extremely described display panels 100, described first reset control signal transfers to described on-off circuit 120, disconnect to control described on-off circuit 120 or close, described second reset control signal transfers to described time schedule controller 130 to control described time schedule controller 130.
Be appreciated that in an embodiment of the present invention, described signal processing circuit 220 can be micro-control unit (MicrocontrollerUnit, MCU), or be a central processing unit (CentralProcessUnit, CPU), for view data described in Storage and Processing.
Described gray scale compensation data reset apparatus 200 also comprises pictcure generator 300, and described pictcure generator 300 is connected with the time schedule controller 130 of described display panels 100.Described pictcure generator 300, for providing the picture signal needed for described display panels 100, shows image to make described display panels 100.
Particularly, described gray scale compensation data reset apparatus 200 can also comprise connector 240, described connector 240 is for being connected the internal circuit of described gray scale compensation data reset apparatus 200 with external circuit, described external circuit includes but not limited to described display panels 100, and described internal circuit includes but not limited to image data acquiring circuit 210, signal processing circuit 220 and data recording device 230.
In an embodiment of the present invention, described connector 240 can be a De-mura connector, and it comprises the first pin 1, second pin 2, the 3rd pin 3, first signal wire 241 and secondary signal line 242.Particularly, described first pin 1 is connected to described storer 110, described second pin 2 and described 3rd pin 3 are all connected to described data recording device 230, described first signal wire 241 is for connecting described second pin 2 and described on-off circuit 120, described secondary signal line 242 is for connecting described 3rd pin 3 and described time schedule controller 130, described first signal wire 241 is for transmitting described first reset control signal Reset1 to described on-off circuit 120, described secondary signal line 242 is for transmitting described second reset control signal Reset2 to described time schedule controller 130.
Particularly, see also Fig. 2 and Fig. 3, Fig. 3 is the sequential chart of the first reset control signal Reset1 of sending of gray scale compensation data reset apparatus of the present invention and the second reset control signal Reset2.Described display panels 100 is connected with pictcure generator 300, after this pictcure generator 300 powers on, data recording device 230 sends the first reset control signal Reset1, when described first reset control signal Reset1 is in low level state, described data recording device 230 starts to wipe the legacy data in described storer 110, now, described on-off circuit 120 disconnects, off-state is between described storer 110 and described time schedule controller 130, and described time schedule controller 130 is connected with described pictcure generator 300 always, because described on-off circuit 120 disconnects, i.e. open circuit between described storer 110 and described time schedule controller 130, therefore described time schedule controller 130 reads less than the legacy data in described storer 110.Meanwhile, described data recording device 230 sends the second reset control signal Reset2 into high level, when described data recording device 230 starts to wipe the legacy data in described storer 110, second reset control signal Reset2 becomes low level from high level, and at a predetermined amount of time (such as, 1 second) in, second reset control signal Reset2 becomes high level from low level, thus described time schedule controller 130 is restarted (may be defined as herein and restart time schedule controller for the first time).Described time schedule controller 130 receives the view data that described pictcure generator 300 sends, and makes described display panels 100 show original image, and described original image is the image that legacy data not in described storer 110 carries out gray scale compensation.Described image data acquiring circuit 210 gathers the view data of described original image, and be stored in described signal processing circuit 220, thus process that the process of the legacy data in described storer 110 and described image data acquiring circuit 210 gather the view data of described original image is carried out to make described data recording device 230 wipe simultaneously, it is different from the process of just carrying out the collection of the view data of original image in prior art after the process of erasing legacy data completes completely.Therefore, intersect at prior art, the application has saved the time, shortens the cycle that gray scale compensation data reset, enhances productivity.
Described image data acquiring circuit 210 gather described original image view data and after being stored in described signal processing circuit 220, described signal processing circuit 220 is according to described view data, brightness of image corresponding to the neighboring area of display panels 100 and the brightness of image corresponding to center are compared, calculate the difference of brightness of image, and determine the original gray-scale value of each pixel, and then its grey decision-making is increased to the pixel corresponding to the darker neighboring area of brightness of image, pixel corresponding to the neighboring area brighter to brightness of image reduces its grey decision-making, the grey decision-making increasing or reduce stores as pre-stored gray scale compensation data, again according to the original gray-scale value of other pixels, the original gray-scale value of pre-stored gray scale compensation data and correspondence thereof, the gray scale compensation data of other pixels are calculated, subsequently the gray scale compensation data of all pixels of gained are transferred to described data recording device 230, described gray scale compensation data are written in the described storer 110 that legacy data has been wiped free of by described data recording device 230.Please refer to Fig. 3, in this process, described second reset control signal Reset2 is in high level state always, so described time schedule controller 130 is in conducting state always, simultaneously, described first reset control signal Reset1 is in low level state always, described on-off circuit 120 is in off-state always, i.e. open circuit between described storer 110 and described time schedule controller 130, so described time schedule controller 130 is in off-state with described storer 110, in order to avoid the image of described display panels display mistake.
After described data recording device 230 completes described gray scale compensation data is write the process of described storer 110, described first reset control signal Reset1 is high level by low transition, namely high level state is in, make on-off circuit 120 conducting between described storer 110 and described time schedule controller 130, connect described storer 110 and described time schedule controller 130; While described first reset control signal Reset1 is high level by low transition, described second reset control signal Reset2 is converted to low level by high level, and at a predetermined amount of time (such as, 1 second) in, high level is become again from low level, namely be in high level state, thus restart described time schedule controller 130 (may be defined as second time herein and restart time schedule controller).Because now described time schedule controller 130 is connected with described storer 110, described time schedule controller 130 can read the gray scale compensation data of just write in described storer 110, thus make described display panels 100 show revised image, the correction effect after inspection gray scale compensation data reset.In this process, by when described first reset control signal Reset1 continues to be in high level state, described time schedule controller 130 is restarted to replace restarting in prior art the process of pictcure generator by the second reset control signal Reset2 second time, because the whole process of restarting described time schedule controller 130 only needed for 1 to 2 second, and restart pictcure generator in prior art and need 10 seconds, therefore, gray scale compensation data reset apparatus of the present invention further shorten the cycle that gray scale compensation data reset, and enhances productivity.
So far, the replacement of the gray scale compensation data of the display panels 100 needing heavy industry has been completed.
Generally speaking, gray scale compensation data reset apparatus of the present invention is provided with data recording device 230, and the first reset control signal Reset1 and the second reset control signal Reset2 can be sent due to described data recording device 230, described first reset control signal Reset1 is made to control separately described on-off circuit 120, described second reset control signal Reset2 controls separately described time schedule controller 130, thus process that the process of the legacy data in described storer 110 and described image data acquiring circuit 210 gather the view data of described original image is carried out to make described data recording device 230 wipe simultaneously, and adopt second time to restart described time schedule controller 130 to replace restarting in prior art the process of pictcure generator, not only can save the time, shorten the cycle that gray scale compensation data reset, the time of repairing described display panels can also be reduced, enhance productivity.
Present invention also offers a kind of gray scale compensation data resetting method, described gray scale compensation data resetting method realizes by adopting the above-mentioned gray scale compensation data reset apparatus of the present invention.Described gray scale compensation data resetting method comprises:
Send the on-off circuit of the first reset control signal to display panels, described first reset control signal is made to be in low level state, disconnect to make described on-off circuit, the data recording device of gray scale compensation data reset apparatus and the storer conducting of described display panels, simultaneously, send the second reset control signal to time schedule controller, described second reset control signal is made to become high level from low level, restart to make described time schedule controller and with pictcure generator conducting, described display panels display original image;
Send erasing and control signal to described storer to wipe the legacy data in described storer, and gather the view data of the original image shown by described display panels simultaneously;
Store described view data and computing is carried out to described view data, to obtain gray scale compensation data;
Send write control signal to described storer, and described gray scale compensation data are write in described storer.
Particularly, described gray scale compensation data resetting method at least comprises the steps:
Display panels is connected to pictcure generator, and lights the backlight module in described display panels;
Send the on-off circuit of the first reset control signal to display panels, described first reset control signal is made to be in low level state, disconnect to make described on-off circuit, the data recording device of gray scale compensation data reset apparatus and the storer conducting of described display panels, simultaneously, send the second reset control signal to time schedule controller, described second reset control signal is made to become high level from low level, restart to make described time schedule controller first time and with described pictcure generator conducting, described display panels display original image;
Send erasing and control signal to described storer to wipe the legacy data in described storer, and described original image is taken simultaneously, obtain corresponding picture, and the optical information of described picture is converted into corresponding view data;
Store described view data, original gray-scale value in view data corresponding with the pixel of the central area of described original image for original gray-scale value in view data corresponding to multiple pixels of the neighboring area of described original image is contrasted, draw the difference of the original gray-scale value of the original gray-scale value of the multiple described pixel of described neighboring area and the pixel of described central area, draw the gray scale compensation data of the multiple described pixel of described neighboring area according to described difference, form pre-stored gray scale compensation data;
The original gray-scale value corresponding according to described pre-stored gray scale compensation data, described pre-stored gray scale compensation data and the original gray-scale value of other pixels calculate the gray scale compensation data of other pixels, obtain computing gray scale compensation data, wherein, described gray scale compensation data comprise described pre-stored gray scale compensation data and described computing gray scale compensation data;
Send write control signal to described storer, and described gray scale compensation data are write in described storer.
First reset control signal is set to high level state by low level, it is made to continue to maintain high level state, make the on-off circuit conducting between described storer and described time schedule controller to connect described storer and described time schedule controller, simultaneously, second reset control signal is set to low level state one predetermined amount of time (such as, 1 second) after be converted to high level state, with second time restart described time schedule controller; Because now described time schedule controller is connected with described storer, described time schedule controller reads the gray scale compensation data of just write in described storer, thus make described display panels show revised image, the correction effect after inspection gray scale compensation data reset;
If correction effect reaches requirement, then complete the reparation of described display panels, if correction effect does not reach requirement, repeat the process that above gray scale compensation data reset.
In gray scale compensation data resetting method of the present invention, send the first reset control signal and the second reset control signal simultaneously, make the independent gauge tap circuit of the first reset control signal, second reset control signal controls separately described time schedule controller, thus the process of the legacy data in the described storer of erasing is carried out with the process of the view data gathering described original image simultaneously, and adopt second time to restart time schedule controller to replace restarting in prior art the process of pictcure generator, not only can save the time, shorten the cycle that gray scale compensation data reset, the time of repairing described display panels can also be reduced, enhance productivity.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, equivalently to replace and improvement etc., within the protection domain that all should be included in this technical scheme.
Claims (10)
1. one kind for repairing the gray scale compensation data reset apparatus of display panels, described display panels is connected with described gray scale compensation data reset apparatus, and comprise on-off circuit and the storer that is connected with described on-off circuit and time schedule controller, it is characterized in that, described gray scale compensation data reset apparatus comprises image data acquiring circuit, signal processing circuit and data recording device;
Described image data acquiring circuit gathers the view data of the original image shown by described display panels, described signal processing circuit is connected to described image data acquiring circuit and described data recording device respectively, and view data described in Storage and Processing is to obtain gray scale compensation data, and described gray scale compensation data are transferred to described data recording device, the legacy data in described storer wiped by described data recording device, writes in described storer by described gray scale compensation data; Described data recording device sends the first reset control signal and the second reset control signal extremely described display panels, described first reset control signal is turned on or off for controlling described on-off circuit, and described second reset control signal starts for controlling described time schedule controller.
2. gray scale compensation data reset apparatus as claimed in claim 1, it is characterized in that, when described first reset control signal is in low level state, described on-off circuit is in off-state, off state is between described storer and described time schedule controller, described time schedule controller receives the view data that described gray scale compensation data reset apparatus sends, and makes described display panels show original image; When described first reset control signal is in high level state, described on-off circuit is in conducting state, conducting between described storer and described time schedule controller, described time schedule controller reads the gray scale compensation data write in described storer, makes described display panels show revised image.
3. gray scale compensation data reset apparatus as claimed in claim 1, it is characterized in that, described gray scale compensation data reset apparatus also comprises connector, and the on-off circuit of described connector and described display panels, storer and time schedule controller are connected.
4. gray scale compensation data reset apparatus as claimed in claim 3, it is characterized in that, described connector comprises the first pin, second pin, 3rd pin, first signal wire and secondary signal line, described first pin is connected to described storer, described second pin and described 3rd pin are connected to described data recording device, described first signal wire connects described second pin and described on-off circuit, described secondary signal line connects described 3rd pin and described time schedule controller, described first signal wire is for transmitting described first reset control signal to described on-off circuit, described secondary signal line is for transmitting described second reset control signal to described time schedule controller.
5. the gray scale compensation data reset apparatus as described in any one of Claims 1-4, it is characterized in that, described gray scale compensation data reset apparatus also comprises pictcure generator, described pictcure generator is connected with described time schedule controller, and provide view data to described time schedule controller, make described display panels show image.
6. a gray scale compensation data resetting method, is characterized in that, adopts the gray scale compensation data reset apparatus described in any one of claim 1 to 5, comprising:
Send the on-off circuit of the first reset control signal to display panels, described first reset control signal is made to be in low level state, disconnect to make described on-off circuit, the data recording device of gray scale compensation data reset apparatus and storer conducting, meanwhile, send the second reset control signal to time schedule controller, make described second reset control signal become high level from low level, restart to make described time schedule controller and with pictcure generator conducting, described display panels display original image;
Send erasing and control signal to described storer to wipe the legacy data in described storer, and gather the view data of the original image shown by described display panels simultaneously;
Store described view data and computing is carried out to described view data, to obtain gray scale compensation data; And
Send write control signal to described storer, described gray scale compensation data are write in described storer.
7. gray scale compensation data resetting method as claimed in claim 6, is characterized in that, also comprise:
Described display panels is connected to described pictcure generator, and lights the backlight module in described display panels.
8. gray scale compensation data resetting method as claimed in claim 6, it is characterized in that, described step gathers the view data of the original image shown by described display panels, comprising:
Described original image is taken, obtains corresponding Target Photo, and the optical information of described Target Photo is converted into corresponding view data.
9. gray scale compensation data resetting method as claimed in claim 6, it is characterized in that, described step stores described view data and carries out computing to described view data, to obtain gray scale compensation data, comprising:
Store described view data, original gray-scale value in view data corresponding with the pixel of the central area of described original image for original gray-scale value in view data corresponding to multiple pixels of the neighboring area of described original image is contrasted, draw the difference of the original gray-scale value of the original gray-scale value of the multiple described pixel of described neighboring area and the pixel of described central area, draw the gray scale compensation data of the multiple described pixel of described neighboring area according to described difference, form pre-stored gray scale compensation data;
The original gray-scale value corresponding according to described pre-stored gray scale compensation data, described pre-stored gray scale compensation data and the original gray-scale value of other pixels calculate the gray scale compensation data of other pixels described, obtain computing gray scale compensation data; Wherein, described gray scale compensation data comprise described pre-stored gray scale compensation data and described computing gray scale compensation data.
10. gray scale compensation data resetting method as claimed in claim 6, is characterized in that, sends write control signal to described storer, after writing in described storer, also comprise described gray scale compensation data in described step:
Described first reset control signal is set to high level, makes conducting between described storer and described time schedule controller; And
Described second reset control signal be set to and become high level from low level, to make described time schedule controller restart, described time schedule controller reads the gray scale compensation data in described storer, makes described display panels show revised image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008076.XA CN105427822B (en) | 2015-12-29 | 2015-12-29 | Gray scale compensation reset data device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511008076.XA CN105427822B (en) | 2015-12-29 | 2015-12-29 | Gray scale compensation reset data device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105427822A true CN105427822A (en) | 2016-03-23 |
| CN105427822B CN105427822B (en) | 2017-12-29 |
Family
ID=55505979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511008076.XA Active CN105427822B (en) | 2015-12-29 | 2015-12-29 | Gray scale compensation reset data device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105427822B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976779A (en) * | 2016-07-01 | 2016-09-28 | 深圳市华星光电技术有限公司 | Timing controller and method for updating data, liquid crystal display panel |
| CN106125367A (en) * | 2016-08-26 | 2016-11-16 | 深圳市华星光电技术有限公司 | A kind of method and device detecting Mura offset data exception |
| CN106205546A (en) * | 2016-09-27 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of storage method of liquid crystal display and offset data thereof, compensation data device |
| CN106952629A (en) * | 2017-05-10 | 2017-07-14 | 深圳市华星光电技术有限公司 | For regular mura repair process method, compensation device and liquid crystal display |
| CN108109573A (en) * | 2017-12-06 | 2018-06-01 | 深圳市华星光电半导体显示技术有限公司 | The update method of the Mura offset datas of display panel |
| CN109658853A (en) * | 2018-12-13 | 2019-04-19 | 惠科股份有限公司 | A kind of display test method, driving circuit and the compensation detecting device of display device |
| CN109903713A (en) * | 2019-03-06 | 2019-06-18 | 深圳市华星光电技术有限公司 | Show compensation circuit and display compensation method |
| CN109979411A (en) * | 2019-04-29 | 2019-07-05 | 上海天马有机发光显示技术有限公司 | The method for burn-recording and powering method of a kind of display panel, display panel |
| WO2020062551A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Display-panel driving circuit and display device |
| CN112017590A (en) * | 2019-05-28 | 2020-12-01 | 陕西坤同半导体科技有限公司 | Mura compensation method, device, medium and electronic equipment for display panel |
| CN113327533A (en) * | 2021-05-20 | 2021-08-31 | Tcl华星光电技术有限公司 | Display device compensation data repair method and compensation data repair device |
| CN114359055A (en) * | 2022-03-21 | 2022-04-15 | 湖南大学 | Image splicing method and related device for multi-camera shooting screen body |
| CN114582276A (en) * | 2022-04-08 | 2022-06-03 | 武汉天马微电子有限公司 | Demura burning device, method, equipment and storage medium |
| CN114822438A (en) * | 2022-04-27 | 2022-07-29 | 长沙惠科光电有限公司 | Drive circuit and display device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151565A1 (en) * | 2001-12-27 | 2003-08-14 | Lg Electronics Inc. | Driving method and device for flat panel display |
| CN1909047A (en) * | 2005-08-01 | 2007-02-07 | 三星Sdi株式会社 | Data driving circuits and organic light emitting diode display using the same |
| CN101211042A (en) * | 2006-12-28 | 2008-07-02 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| US20110273439A1 (en) * | 2010-05-07 | 2011-11-10 | Hyeonho Son | Image display device and driving method thereof |
| CN103544927A (en) * | 2013-11-07 | 2014-01-29 | 京东方科技集团股份有限公司 | Display drive circuit, display device and display drive method |
| CN104409066A (en) * | 2014-12-10 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method for acquiring gray-scale compensation value of pixel |
| CN104486386A (en) * | 2014-12-02 | 2015-04-01 | 科世达（上海）管理有限公司 | Vehicle sensor calibration method and system |
| CN104505010A (en) * | 2014-12-17 | 2015-04-08 | 深圳市华星光电技术有限公司 | Image displaying method, image displaying device and display device |
-
2015
- 2015-12-29 CN CN201511008076.XA patent/CN105427822B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030151565A1 (en) * | 2001-12-27 | 2003-08-14 | Lg Electronics Inc. | Driving method and device for flat panel display |
| CN1909047A (en) * | 2005-08-01 | 2007-02-07 | 三星Sdi株式会社 | Data driving circuits and organic light emitting diode display using the same |
| CN101211042A (en) * | 2006-12-28 | 2008-07-02 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and driving method thereof |
| US20110273439A1 (en) * | 2010-05-07 | 2011-11-10 | Hyeonho Son | Image display device and driving method thereof |
| CN103544927A (en) * | 2013-11-07 | 2014-01-29 | 京东方科技集团股份有限公司 | Display drive circuit, display device and display drive method |
| CN104486386A (en) * | 2014-12-02 | 2015-04-01 | 科世达（上海）管理有限公司 | Vehicle sensor calibration method and system |
| CN104409066A (en) * | 2014-12-10 | 2015-03-11 | 深圳市华星光电技术有限公司 | Method for acquiring gray-scale compensation value of pixel |
| CN104505010A (en) * | 2014-12-17 | 2015-04-08 | 深圳市华星光电技术有限公司 | Image displaying method, image displaying device and display device |
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976779B (en) * | 2016-07-01 | 2019-02-12 | 深圳市华星光电技术有限公司 | Sequence controller and its data-updating method, liquid crystal display panel |
| CN105976779A (en) * | 2016-07-01 | 2016-09-28 | 深圳市华星光电技术有限公司 | Timing controller and method for updating data, liquid crystal display panel |
| WO2018000468A1 (en) * | 2016-07-01 | 2018-01-04 | 深圳市华星光电技术有限公司 | Timing controller and data updating method thereof, and liquid crystal display panel |
| CN106125367A (en) * | 2016-08-26 | 2016-11-16 | 深圳市华星光电技术有限公司 | A kind of method and device detecting Mura offset data exception |
| CN106205546A (en) * | 2016-09-27 | 2016-12-07 | 深圳市华星光电技术有限公司 | A kind of storage method of liquid crystal display and offset data thereof, compensation data device |
| US10223979B2 (en) | 2016-09-27 | 2019-03-05 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Liquid crystal displays, storing methods of compensation data thereof, and data compensation devices |
| CN106205546B (en) * | 2016-09-27 | 2018-09-11 | 深圳市华星光电技术有限公司 | Storage method, the compensation data device of a kind of liquid crystal display and its offset data |
| CN106952629B (en) * | 2017-05-10 | 2020-01-31 | 深圳市华星光电技术有限公司 | Repairing method, compensating device and liquid crystal display aiming at regular mura |
| CN106952629A (en) * | 2017-05-10 | 2017-07-14 | 深圳市华星光电技术有限公司 | For regular mura repair process method, compensation device and liquid crystal display |
| US10726763B2 (en) | 2017-12-06 | 2020-07-28 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Method for updating MURA compensation data of display panels |
| CN108109573A (en) * | 2017-12-06 | 2018-06-01 | 深圳市华星光电半导体显示技术有限公司 | The update method of the Mura offset datas of display panel |
| WO2020062551A1 (en) * | 2018-09-30 | 2020-04-02 | 惠科股份有限公司 | Display-panel driving circuit and display device |
| US10991296B2 (en) | 2018-09-30 | 2021-04-27 | HKC Corporation Limited | Display panel driving circuit, and display device |
| CN109658853B (en) * | 2018-12-13 | 2021-12-17 | 惠科股份有限公司 | Display test method, drive circuit and compensation detection device of display device |
| CN109658853A (en) * | 2018-12-13 | 2019-04-19 | 惠科股份有限公司 | A kind of display test method, driving circuit and the compensation detecting device of display device |
| CN109903713A (en) * | 2019-03-06 | 2019-06-18 | 深圳市华星光电技术有限公司 | Show compensation circuit and display compensation method |
| CN109903713B (en) * | 2019-03-06 | 2020-11-24 | 深圳市华星光电技术有限公司 | Display compensation circuit and display compensation method |
| CN109979411A (en) * | 2019-04-29 | 2019-07-05 | 上海天马有机发光显示技术有限公司 | The method for burn-recording and powering method of a kind of display panel, display panel |
| CN112017590A (en) * | 2019-05-28 | 2020-12-01 | 陕西坤同半导体科技有限公司 | Mura compensation method, device, medium and electronic equipment for display panel |
| CN113327533A (en) * | 2021-05-20 | 2021-08-31 | Tcl华星光电技术有限公司 | Display device compensation data repair method and compensation data repair device |
| CN114359055A (en) * | 2022-03-21 | 2022-04-15 | 湖南大学 | Image splicing method and related device for multi-camera shooting screen body |
| CN114359055B (en) * | 2022-03-21 | 2022-05-31 | 湖南大学 | Image splicing method and related device for multi-camera shooting screen body |
| CN114582276A (en) * | 2022-04-08 | 2022-06-03 | 武汉天马微电子有限公司 | Demura burning device, method, equipment and storage medium |
| CN114822438A (en) * | 2022-04-27 | 2022-07-29 | 长沙惠科光电有限公司 | Drive circuit and display device |
| CN114822438B (en) * | 2022-04-27 | 2023-09-19 | 长沙惠科光电有限公司 | Driving circuit and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105427822B (en) | 2017-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105427822A (en) | Gray-scale compensation data resetting device and method | |
| US9703160B2 (en) | Liquid crystal display panel with hot pixel being repaired and method for repairing hot pixel | |
| CN101826313B (en) | Light source apparatus | |
| US9183811B2 (en) | Method of correcting unevenness of display panel and correction system | |
| CN107749288B (en) | Mura compensation method of liquid crystal display device and liquid crystal display device | |
| CN106125367B (en) | A kind of method and device detecting Mura offset data exception | |
| CN105244004A (en) | Control board and liquid crystal display with control board | |
| US20200005693A1 (en) | Device and method for setting display driver | |
| CN103366707A (en) | Liquid crystal display and driving method thereof | |
| KR20080024009A (en) | Method and apparatus for repairing dead pixel of liquid crystal display | |
| CN105244001A (en) | Method and terminal for determining mura compensation value | |
| CN101727862B (en) | Method of driving a light source, light source apparatus and display apparatus having the light source apparatus | |
| US10553181B2 (en) | Compensation method and compensation device for display module | |
| CN103558698A (en) | Laser repair equipment | |
| JP2006178383A (en) | Display device | |
| US11145263B2 (en) | Display apparatus and driving method thereof | |
| US8446396B2 (en) | Bi-stable display, frame updating method and timing control method thereof | |
| CN104517582A (en) | Drive method of liquid crystal display device, drive device and liquid crystal display device | |
| CN105096877A (en) | Display panel display control method, device and circuit | |
| JP2006058870A (en) | Display device and its manufacturing method | |
| CN204348305U (en) | The drive unit of liquid crystal indicator and liquid crystal indicator | |
| CN111613157A (en) | Mura repair test method of display panel, display panel and display device | |
| CN105741727A (en) | Display device | |
| CN109658853B (en) | Display test method, drive circuit and compensation detection device of display device | |
| CN106128395B (en) | It is a kind of to improve the method and electronic device that display screen is shown |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |