CN108022556A - Prevent the method and driving chip, display screen of display screen aging - Google Patents
Prevent the method and driving chip, display screen of display screen aging Download PDFInfo
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- CN108022556A CN108022556A CN201810055049.5A CN201810055049A CN108022556A CN 108022556 A CN108022556 A CN 108022556A CN 201810055049 A CN201810055049 A CN 201810055049A CN 108022556 A CN108022556 A CN 108022556A
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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
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
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- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The application discloses a kind of method for preventing display screen aging and driving chip, display screen abnormity display screen, wherein, prevent the method for display screen aging from including receiving control signal；According to control signal, corresponding view data is searched in the driving chip memory of display screen；Show the corresponding image of described image data.By control signal by the view data Dynamic Announce being implanted into the driving chip memory of display screen in display screen, so that, it is not necessary in addition set storage medium to store screen protection picture, solve memory space and take big technical problem.
Description
Technical field
The present invention relates to display field, the method and driving chip, display screen of display screen aging are more particularly to prevented.
Background technology
In conventional art, display screen shows same picture for a long time, the easy aging in some regions for high brightness.For
Prevent display screen aging, can carry out picture switching by the way of screen protection is set, so as to avoid the same area from protecting for a long time
Hold highlighted.
During conventional art is realized, inventor has found that there are following technical problem：
Screen protection is set to need to store the picture of screen protection in corresponding computer equipment, memory space takes larger.
The content of the invention
Based on this, it is necessary to which memory space takes larger technical problem during for above-mentioned solution display screen aging, there is provided
A solution.
A kind of method for preventing display screen aging, it is characterised in that comprise the following steps：
Receive control signal；
According to control signal, corresponding view data is searched in the driving chip memory of display screen；
Show the corresponding image of described image data.
In one of the embodiments, the step of reception control signal, specifically includes：
Control signal is received by built-in self-test signal pin.
In one of the embodiments, the step of reception control signal, specifically includes：
Control signal is received according to single-signal-line control protocol.
In one of the embodiments, the step that corresponding view data is searched in the driving chip memory of display screen
Suddenly, specifically include：
The number of pulses included according to the control signal, corresponding image is searched in the driving chip memory of display screen
Data.
In one of the embodiments, in the pulse that the control signal includes, between the time between two neighboring pulse
Every no more than prefixed time interval.
The application also provides a kind of driving chip, including：
Receiving module, for receiving control signal；
Processing module, for according to control signal, corresponding view data to be searched in the driving chip memory of display screen；
Sending module, for sending described image data.
In one of the embodiments, the driving chip further includes decoder module；
The decoder module is used to decode the control signal.
In one of the embodiments, the driving chip has built-in self-test signal pin, for receiving control signal.
In one of the embodiments, the built-in self-test signal pin receives control letter according to single-signal-line control protocol
Number.
The application also provides a kind of display screen, including：
Receiving module, for receiving control signal；
Processing module, for according to control signal, corresponding view data to be searched in the driving chip memory of display screen；
Display module, for showing the corresponding image of described image data.
The application at least has the advantages that：
By control signal by the view data Dynamic Announce being implanted into the driving chip memory of display screen in display screen, from
And, it is not necessary in addition set storage medium to store screen protection picture, solve memory space and take big technical problem.
Brief description of the drawings
Fig. 1 is the structure diagram of active-matrix Organic Light Emitting Diode provided by the embodiments of the present application.
Fig. 2 is the microstructure schematic diagram of organic light-emitting display device provided by the embodiments of the present application.
Fig. 3 is the system architecture schematic diagram of display screen provided by the embodiments of the present application.
Fig. 4 is the flow diagram of the method provided by the embodiments of the present application for preventing display screen aging.
Fig. 5 is the structure diagram of driving chip provided by the embodiments of the present application.
Fig. 6 is the structure diagram of display screen provided by the embodiments of the present application.
Wherein：
1OLED
2TFT arrays
11 substrates
12 cushions
21 semiconductor layers
22 gate electrodes
23 source electrodes
24 drain electrodes
25 gate insulators
26 interlayer insulating films
27 protective layers
28 planarization layers
31 first pixel electrodes
32 second pixel electrodes
33 the 3rd pixel electrodes
41 pixel confining layers
51 luminescent layers
61 pairs of electrodes
3 signal plates
4 FPGA plates
5 X plates
6 driving chips
7 screen bodies
601 receiving modules
602 processing modules
603 sending modules
604 decoder modules
605 display modules
Embodiment
To make the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out all other embodiments obtained under the premise of creative work, shall fall in the protection scope of this application.
It is a kind of active-matrix Organic Light Emitting Diode (Active Matrix Organic Light as shown in Figure 1
Emitting Diode, AMOLED) display screen schematic construction.AMOLED can include 1 (Organic of Organic Light Emitting Diode
Light-Emitting Diode, OLED) and thin film transistor (TFT) (Thin Film Transistor, TFT) array 2.AMOLED
It is that OLED pixel is deposited or is integrated on tft array 2, controls the electric current for flowing into each OLED pixel big by tft array 2
It is small, so as to determine the Display Technique of each pixel luminous intensity.Wherein, OLED pixel includes stacking the cathode, organic set
Luminescent layer and anode.And tft array constitutes TFT backplate plus substrate.
A kind of method for manufacturing organic light-emitting display device, may comprise steps of：
Fig. 2 is refer to, first, prepared substrate 11.Substrate 11 has the first sub-pixel area domain, the second subpixel area and the
Three subpixel areas.One group of the first sub-pixel area domain, the second subpixel area and the 3rd subpixel area may be constructed a picture
Plain region.Substrate 11 can have multiple pixel regions.In one embodiment, the first sub-pixel area domain can be transmitting feux rouges
Subpixel area.Second subpixel area can launch the subpixel area of green light.3rd subpixel area can be hair
Penetrate the subpixel area of blue light.
Substrate 11 can be by such as glass material, metal material or including polyethylene terephthalate (PET), poly- naphthalene
Suitable material is formed in the plastic material of naphthalate (PEN) or polyimides etc..Thin film transistor (TFT) (Thin-
Film transistor, TFT) it can set on the substrate 11.In one embodiment, can be in base before TFT is formed
The other layer of such as cushion 12 is formed on plate 11.Cushion 12 can be formed in the whole surface of substrate 11, can also
By being patterned to form.
Cushion 12 can have include suitable material in the materials such as PET, PEN, polyacrylate and/or polyimides
Material, layer structure is formed in the form of single or multiple lift stacks.Cushion 12 can also be formed by silica or silicon nitride, or
It can include organic material and/or the composite bed of inorganic material.
TFT can control the transmitting of each sub-pixel, or can control the amount launched during each sub-pixel emissive light.
TFT can include semiconductor layer 21, gate electrode 22, source electrode 23 and drain electrode 24.
Semiconductor layer 21 can be formed by amorphous silicon layer, silicon oxide layer or polysilicon layer, or can be by organic semiconductor
Material is formed.In one embodiment, semiconductor layer 21 includes channel region and the source region doped with dopant and drain region.
Gate insulator 25 can be utilized to cover semiconductor layer 21.Gate electrode 22 can be arranged on gate insulator 25.
Generally, gate insulator 25 can cover the whole surface of substrate 11.In one embodiment, can be by patterning come shape
Into gate insulator 25.In view of the bonding with adjacent layer, the formability and profile pattern of stacking destination layer, gate insulator
Layer 25 can be formed by silica, silicon nitride or other insulation organic or inorganic materials.Gate electrode 22 can be by by silica, nitrogen
The interlayer insulating film 26 that SiClx and/or other suitable insulation organic or inorganic materials are formed covers.Gate insulator can be removed
A part for layer 25 and interlayer insulating film 26, forms contact hole with the presumptive area of exposed semiconductor layer 21 after the removal.Source
Electrode 23 and drain electrode 24 can be via contact holes contact semiconductor layers 21.In view of electric conductivity, source electrode 23 and drain electrode 24
Can be by including aluminium (Al), platinum (Pt), palladium (Pd), silver-colored (Ag), magnesium (Mg), golden (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium
(Cr), at least one of lithium (Li), calcium (Ca), molybdenum (Mo), titanium (Ti), tungsten (W) and copper (Cu) or other suitable alloys material
The homogenous material layer or composite layer of material are formed.
The protective layer 27 formed by silica, silicon nitride and/or other suitable insulation organic or inorganic materials can cover
Cover TFT.Protective layer 27 covers the whole or Part portions of substrate 11.Since the TFT with complicated Rotating fields is arranged on protection
The lower section of layer 27.Therefore the top surface of protective layer 27 may not be sufficiently flat.It is flat it is therefore desirable to be formed on protective layer 27
Change layer 28, to form sufficiently flat top surface.
After planarization layer 28 is formed, through hole can be formed in protective layer 27 and planarization layer 28, to expose the source of TFT
Electrode 23 and drain electrode 24.
Then, the first pixel electrode 31, the second pixel electrode 32 and the 3rd sub-pixel are formed on planarization layer 28
Electrode 33.First pixel electrode 31 is formed in the first pixel region.Second pixel electrode 32 is formed in the second sub-pixel area
Domain.3rd pixel electrode 33 is formed in the 3rd subpixel area.Here, the first pixel electrode 31, the second pixel electrode
32 and the 3rd pixel electrode 33 can simultaneously or synchronously impose.First pixel electrode 31, the second pixel electrode 32
TFT can be electrically connected to each in the 3rd pixel electrode 33 by through hole.Here the first pixel electrode 31,
Two pixel electrodes 32, the 3rd pixel electrode 33 are commonly known as anode.
Can each be formed in the first pixel electrode 31, the second pixel electrode 32 and the 3rd pixel electrode 33
Prescribed electrode (transflective) or reflecting electrode.When the first pixel electrode 31, the second pixel electrode 32 and the 3rd sub-pixel electricity
, can be by tin indium oxide (ITO), indium zinc oxide (IZO), zinc oxide when pole 33 forms transparency electrode (transflective) electrode
(ZnO), indium oxide (In2O3), indium gallium (IGO) or aluminum zinc oxide (AZO) formation.
When the first pixel electrode 31, the second pixel electrode 32 and the 3rd pixel electrode 33 form reflecting electrode,
Can by silver-colored (Ag), magnesium (Mg), aluminium (Al), platinum (Pt), palladium (Pd), golden (Au), nickel (Ni), neodymium (Nd), iridium (Ir), chromium (Cr) by or
Reflecting layer that any material in these materials is mixed to form and by tin indium oxide (ITO), indium zinc oxide (IZO), zinc oxide
(ZnO), indium oxide (In2O3) formed layer.Here, the first pixel electrode 31, the second pixel electrode 32 and the 3rd sub-pixel
The structure and material not limited to this of electrode 33, and can change.
After the first pixel electrode 31, the second pixel electrode 32 and the 3rd pixel electrode 33 is formed, as schemed institute
Show, pixel confining layers 41 (PDL) can be formed.The PDL of formation covers the first pixel electrode 31, the second pixel electrode at the same time
32 and the 3rd pixel electrode 33.PDL (can be exposed in each sub-pixel by the opening with each sub-pixel of correspondence
Heart outs open) it is used to limiting sub-pixel.PDL can be by suitably having in the materials such as polyacrylate and polyimides
Machine material or homogenous material layer or composite layer including suitable inorganic material are formed.
PDL can be formed in the following manner, i.e., by using the material suitable for PDL in the whole surface of substrate 11,
The layer for PDL is formed, to cover the first pixel electrode 31, the second pixel electrode 32 and the 3rd pixel electrode 33.So
Afterwards, will be by PDL pattern layers, with the first pixel electrode 31 of exposure, the second pixel electrode 32 and the 3rd pixel electrode 33
Core.
Luminescent material can be deposited and form luminescent layer 51.Evaporation material covers the first pixel electrode 31 not by PDL layers
A part for covering, the second pixel electrode 32 of covering by a part for PDL layers of covering, do not cover the 3rd pixel electrode 33
Not by a part for PDL layers of covering, and PDL layers of top surface.
The luminescent material of precision metallic mask plate evaporation transmitting feux rouges, green light and blue light can be used.
Then, evaporation formed covering the first sub-pixel area domain, the second subpixel area and the 3rd subpixel area to electricity
Pole 61.To electrode 61 can relatively multiple sub-pixels be integrally formed, so as to cover whole display area.Electrode 61 is usually claimed
For cathode.
Electrode supply lines on the outside of display area is contacted to electrode 61, so that electrode supply lines can receive electric signal.It is right
Electrode 61 can form transparency electrode or reflecting electrode.When forming transparency electrode to electrode 61, electrode 61 can be included logical
Cross the mixing material along any material deposited towards luminescent layer direction in Li, Ca, LiF/Ca, LiF/Al, Al, Mg or these materials
Material and formed layer and by including ITO, IZO, ZnO or In2O3Transparent (transflective) material formed auxiliary electrode or remittance
Galvanic electricity polar curve.When being formed as reflecting electrode to electrode 61, can have to electrode 61 is included from Li, Ca, LiF/Ca, LiF/
The layer of one or more materials is selected in Al, Al, Ag and Mg.However, construction and material not limited to this to electrode 61, therefore also
It can change.
It is illustrated in figure 3 the system architecture schematic diagram of display screen.The system architecture of display screen can including signal plate 3, scene
Program gate array (Field-Programmable Gate Array, FPGA) plate 4, X plates 5 and driving chip 6 and screen body 7.
Wherein, signal plate 3 can produce data-signal.FPGA plates 4, which produce, can produce door face board (Gate In Panel, GIP) letter
Number, the grid control signal of display screen in other words, with the grid potential of control display screen.X plates 5 can produce power control signal
And the configuration circuit to driving chip 6.Driving chip 6 by flexible PCB (Flexible Printed Circuit,
FPC) plate receives signal plate 3, FPGA plates 4, the control signal of X plates 5.
Refer to Fig. 4 is a kind of method for preventing display screen aging that the application provides, and is comprised the following steps：
S100：Receive control signal.
From Fig. 3 and foregoing teachings, driving chip can receive the control of signal plate 3, FPGA plates 4, X plates 5 by FPC plates
Signal processed.Control signal can control pixel initialization and compensation process, control pixel light emission time, offset voltage fluctuation to cause
Display is uneven, distribution RGB data signal, provides ESD protections etc..
Further, in a kind of embodiment that the application provides, described the step of receiving control signal, specifically include：
Control signal is received by built-in self-test signal pin.
Built-in self-test signal can be used for mistake and the failure for testing integrated circuit.The display screen institute of different production firms
The test needed is typically different.For example, for the production firm of a display screen, it is assumed that since its technique limits,
The display screen of production easily exists partially red bad, then needs to be detected using easily embodying partially red image.And it is assumed that right
For the production firm of another display screen, it is assumed that since its technique limits, the display screen of production easily has partially blue
It is bad, then need to be detected using the image for easily embodying indigo plant partially.Each production firm needs to use corresponding built-in self-test
Whether signal testing display screen belongs to non-defective unit.
In the embodiment that the application provides, the caller of built-in self-test signal can be generated by way of programming.
A part of the order of calling as control signal, the driving chip of display screen is transferred to by built-in self-test signal pin.Can
In a manner of by programming, neatly using built-in self-test signal, to use the view data in driving chip memory.So as to,
Dedicated storage device and storage need not be set to prevent the image of display screen aging, memory space is solved and take big technology
Problem.Meanwhile for different production firms, the caller of corresponding specificity can be worked out by way of programming, or
Person works out general caller to be adapted to each production firm, can expand the applicable model for the method for preventing display screen aging
Enclose.
Further, in another embodiment that the application provides, described the step of receiving control signal, specific bag
Include：
Control signal is received according to single-signal-line control protocol.
In communication field, the communication modes that every data of an information are transmitted in order by turn are known as serial communication.
According to the direction of transfer of information, serial communication can be further divided into three kinds of either simplex, half-duplex and full duplex.Information can only be unidirectional
It is transmitted as either simplex；Information can be bi-directionally transmitted but cannot simultaneously bi-directionally transmit referred to as half-duplex；Information can be transmitted simultaneously bi-directionally then
Referred to as full duplex.In the embodiment that the application provides, control signal is received according to single-signal-line control protocol, that is,
Say, control signal is transmitted according to the operating mode of either simplex.In this way, it can be connect by the built-in self-test signal of driving chip 6
Foot, transmission of control signals, in other words, transmits the caller of built-in self-test signal, it is not necessary to which the structure of driving chip 6 is changed
The method that can implement to prevent display screen aging is made, cost of implementation is low.
S200：According to control signal, corresponding view data is searched in the driving chip memory of display screen.
View data can be stored in the driving chip 6 of display screen.View data can be stored in the memory of driving chip 6
In.When these view data are shown on a display screen, some simple images are usually expressed as.For example, black, white, red, green, blue etc.
Simple picture, striped, mosaic etc..The view data of the different manufacturers storage of driving chip 6 is different.
Memory may include computer-readable medium in volatile memory, random access memory (RAM) and/or
The forms such as Nonvolatile memory, such as read-only storage (ROM) or flash memory (FLASH RAM).Memory is the example of storage medium.
Storage medium includes permanent and non-permanent, removable and non-removable media, can be by any method or skill
Art come realize information store.Information can be computer-readable instruction, data structure, the module of program or other data.Calculate
The example of machine storage medium, includes but not limited to phase transition internal memory (PRAM), static RAM (SRAM), dynamic random
Access memory (DRAM), other kinds of random access memory (RAM), read-only storage (ROM), electrically erasable
Read-only storage (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read-only storage (CD-ROM), numeral are more
Function CD (DVD) or other optical storages, magnetic cassette tape, magnetic tape type tape storage or other magnetic storage apparatus or any
Other non-transmission mediums, the information that can be accessed available for storage by computer equipment.
Further, it is described to be looked into the driving chip memory of display screen in another embodiment that the application provides
The step of looking for corresponding view data, specifically includes：
The number of pulses included according to the control signal, corresponding image is searched in the driving chip memory of display screen
Data.
In the embodiment of the present application, view data can be encoded.The number of pulses and image that control signal includes
The coding of data establishes mapping relations.For example, when being encoded to N of view data, can represent what is searched when number of pulses is N
View data is encoded to N.It is understood that offer here is only a kind of possible mode.Other alternative
In mode, coding establishes mapping relations with number of pulses, completely the same without requiring, for example, the mapping relations established
It is N ± M for the coding N respective pulses quantity of image.In other alternative embodiments, the ground of view data can also be
Mapping relations are established in location with number of pulses.
It should be pointed out that number of pulses here can be the number of pulses in preset duration.Here preset duration
It can be set according to practical situation, for example, the number of pulses in 1s.
Further, in another embodiment that the application provides, in the pulse that the control signal includes, adjacent two
Time interval between a pulse is not more than prefixed time interval.
Time-wise separation between pulse can be set.Assuming that the rational time interval is T.In one sequence
In pulse, when the time interval of two neighboring pulse is no more than T, show that the two pulses belong to the sequence.And when adjacent two
When the time interval of a pulse is more than T, then show that the two pulses belong to two different sequences.In this way, it can obtain accurate
Number of pulses, and then, corresponding view data can be determined according to the number of pulses of the sequence.
S300：Show the corresponding image of described image data.
After determining view data, described image data are presented in screen body by driving chip 6 in the form of images.
The method of display screen aging is prevented what the application provided, by control signal by the driving chip 6 of display screen
The view data Dynamic Announce being implanted into memory in display screen so that, it is not necessary in addition set storage medium to store screen protection picture,
Solve memory space and take big technical problem.
A kind of method for preventing display screen aging provided above for the application, it is above-mentioned anti-that the application also provides a kind of execution
The only driving chip 6 of the method for display screen aging.
Refer to Fig. 5 be driving chip 6 structure diagram, driving chip 6, including：
Receiving module 601, for receiving control signal；
Processing module 602, for according to control signal, corresponding image to be searched in 6 memory of driving chip of display screen
Data；
Sending module 603, for sending described image data.
Receiving module 601 is presented as the pin of driving chip 6 and corresponds in specific application to be connect according to communications protocol
Receive the executive program of control signal.For example, it may be built-in self-test signal pin.As mentioned above, control signal can wrap
Include data-signal, grid control signal, power control signal, configuration circuit signal, X plate control signals etc..Communications protocol can be with
The rule specifically transmitted in order to control between signal.
Such as foregoing teachings, control signal is transmitted according to the operating mode of either simplex.In this way, can be by driving chip 6
Built-in self-test signal pin, transmission of control signals, in other words, transmit built-in self-test signal caller, it is not necessary to driving
The structure of chip 6 carries out the method that transformation can be implemented to prevent display screen aging, and cost of implementation is low.
Processing module 602 is used for according to control signal, and corresponding picture number is searched in 6 memory of driving chip of display screen
According to.The corresponding processing routine for being presented as the hardware configuration and its execution that perform computing of processing module 602 in specific application.
Sending module 603, which is used to send view data to screen body, to be shown.The sending module 603 in specific application
It is specific to be presented as sender unit part and the corresponding Data Transport Protocol performed.
The driving chip 6 that the application provides, the image that will be implanted into by control signal in 6 memory of driving chip of display screen
Data Dynamic Announce in display screen so that, it is not necessary in addition set storage medium to store screen protection picture, solve memory space and account for
With big technical problem.
Further, in another embodiment that the application provides, the driving chip 6 further includes decoder module 604；
The decoder module 604 is used to decode the control signal.
Decoder module 604 is used for decoding control signal.In specific application, decoder module 604 be specifically presented as by
The program that default processing is carried out to computer instruction set write according to pre-set configuration.Decoder module 604 can will be according to default lattice
The program that formula is write is decoded as the computer program that driving chip 6 can be performed directly.
Further, in another embodiment that the application provides, the receiving module 601 has built-in self-test signal
Pin, for receiving control signal.
As foregoing teachings understand that receiving module 601 can include built-in self-test signal pin.
Further, in another embodiment that the application provides, the built-in self-test signal pin is according to mono signal
Line traffic control agreement receives control signal；
The communication modes of the receiving module 601 are the exterior single-signal-line control protocol for being directed toward the driving chip 6.
As knowable to foregoing teachings, built-in self-test signal pin receives control signal according to single-signal-line control protocol, also
It is to say, control signal is transferred to driving chip 6 according to the operating mode of either simplex from outside.In this way, can be by driving chip 6
Built-in self-test signal pin, transmission of control signals, in other words, transmits the caller of built-in self-test signal, it is not necessary to driving core
The structure of piece 6 carries out the method that transformation can be implemented to prevent display screen aging, and cost of implementation is low.
Further, in another embodiment that the application provides, the processing module 602 that is used for is according to the control
The number of pulses that signal includes, corresponding view data is searched in 6 memory of driving chip of display screen.
In the embodiment of the present application, view data can be encoded.The number of pulses and image that control signal includes
The coding of data establishes mapping relations.For example, when being encoded to N of view data, can represent what is searched when number of pulses is N
View data is encoded to N.It is understood that offer here is only a kind of possible mode.Other alternative
In mode, coding establishes mapping relations with number of pulses, completely the same without requiring, for example, the mapping relations established
It is N ± M for the coding N respective pulses quantity of image.In other alternative embodiments, the ground of view data can also be
Mapping relations are established in location with number of pulses.
It should be pointed out that number of pulses here can be the number of pulses in preset duration.Here preset duration
It can be set according to practical situation, for example, the number of pulses in 1s.
Further, in another embodiment that the application provides, in the pulse that the control signal includes, adjacent two
Time interval between a pulse is not more than prefixed time interval.
Time-wise separation between pulse can be set.Assuming that the rational time interval is T.In one sequence
In pulse, when the time interval of two neighboring pulse is no more than T, show that the two pulses belong to the sequence.And when adjacent two
When the time interval of a pulse is more than T, then show that the two pulses belong to two different sequences.In this way, it can obtain accurate
Number of pulses, and then, corresponding view data can be determined according to the number of pulses of the sequence.
It refer to Fig. 6, a kind of display screen that the application also provides, including：
Receiving module 601, for receiving control signal；
Processing module 602, for according to control signal, corresponding image to be searched in 6 memory of driving chip of display screen
Data；
Display module 605, for showing the corresponding image of described image data.
As foregoing teachings are contained, receiving module 601 is presented as the pin and correspondence of driving chip 6 in specific application
The executive program of control signal is received according to communications protocol.For example, it may be built-in self-test signal pin.As mentioned above,
Control signal can include data-signal, grid control signal, power control signal, configuration circuit signal, X plate control signals
Deng.The rule that communications protocol can be transmitted specifically between signal in order to control.
Such as foregoing teachings, control signal is transmitted according to the operating mode of either simplex.In this way, can be by driving chip 6
Built-in self-test signal pin, transmission of control signals, in other words, transmit built-in self-test signal caller, it is not necessary to driving
The structure of chip 6 carries out the method that transformation can be implemented to prevent display screen aging, and cost of implementation is low.
Processing module 602 is used for according to control signal, and corresponding picture number is searched in 6 memory of driving chip of display screen
According to.The corresponding processing routine for being presented as the hardware configuration and its execution that perform computing of processing module 602 in specific application.
Display module 605 can include screen body.The concrete structure of screen body can be found in the concrete structure of foregoing AMOLED.
Display screen is prevented what the application provided, will be implanted into 6 memory of driving chip of display screen by control signal
View data Dynamic Announce in display screen so that, it is not necessary in addition set storage medium to store screen protection picture, solve storage
The big technical problem of space hold.
Further, in a kind of embodiment that the application provides, there is the receiving module 601 built-in self-test signal to connect
Foot, for receiving control signal.
Further, in a kind of embodiment that the application provides, the built-in self-test signal pin is according to single-signal-line
Control protocol receives control signal；
The communication modes of the receiving module 601 are the exterior single-signal-line control protocol for being directed toward the driving chip 6.
Further, in a kind of embodiment that the application provides, the processing module 602 is specifically used for：
The number of pulses included according to the control signal, corresponding figure is searched in 6 memory of driving chip of display screen
As data.
Further, it is two neighboring in the pulse that the control signal includes in a kind of embodiment that the application provides
Time interval between pulse is not more than prefixed time interval.
Further, in a kind of embodiment that the application provides, the driving chip 6 further includes decoder module 604；
The decoder module 604 is used to decode the control signal.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
- A kind of 1. method for preventing display screen aging, it is characterised in that comprise the following steps：Receive control signal；According to control signal, corresponding view data is searched in the driving chip memory of display screen；Show the corresponding image of described image data.
- 2. according to the method described in claim 1, it is characterized in that, described the step of receiving control signal, specifically include：Control signal is received by built-in self-test signal pin.
- 3. according to the method described in claim 1, it is characterized in that, described the step of receiving control signal, specifically include：Control signal is received according to single-signal-line control protocol.
- 4. according to the method described in claim 1, it is characterized in that, described searched in the driving chip memory of display screen corresponds to View data the step of, specifically include：The number of pulses included according to the control signal, corresponding picture number is searched in the driving chip memory of display screen According to.
- 5. according to the method described in claim 4, it is characterized in that, in the pulse that the control signal includes, two neighboring arteries and veins Time interval between punching is not more than prefixed time interval.
- A kind of 6. driving chip, it is characterised in that including：Receiving module, for receiving control signal；Processing module, for according to control signal, corresponding view data to be searched in the driving chip memory of display screen；Sending module, for sending described image data.
- 7. driving chip according to claim 6, it is characterised in that the driving chip further includes decoder module；The decoder module is used to decode the control signal.
- 8. driving chip according to claim 6, it is characterised in that there is the receiving module built-in self-test signal to connect Foot, for receiving control signal.
- 9. according to the driving chip described in claim 1-8, it is characterised in that the built-in self-test signal pin is according to mono signal Line traffic control agreement receives control signal；The communication modes of the receiving module are the exterior single-signal-line control protocol for being directed toward the driving chip.
- A kind of 10. display screen, it is characterised in that including：Receiving module, for receiving control signal；Processing module, for according to control signal, corresponding view data to be searched in the driving chip memory of display screen；Display module, for showing the corresponding image of described image data.
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| CN201810055049.5A CN108022556B (en) | 2018-01-19 | 2018-01-19 | Method for preventing display screen from aging, driving chip and display screen |
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| CN201810055049.5A CN108022556B (en) | 2018-01-19 | 2018-01-19 | Method for preventing display screen from aging, driving chip and display screen |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419945A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Display test system and test method |
| CN112927650A (en) * | 2021-01-28 | 2021-06-08 | 深圳市天乐思科技有限公司 | Programmable wireless LED display method and LED display device |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260558A (en) * | 1999-01-08 | 2000-07-19 | 明碁电脑股份有限公司 | Display device capable of automatically adjusting resolution ratio |
| US20080055010A1 (en) * | 2006-08-29 | 2008-03-06 | Texas Instruments Incorporated | Local oscillator with non-harmonic ratio between oscillator and RF frequencies using pulse generation and selection |
| US20100188148A1 (en) * | 2009-01-26 | 2010-07-29 | Texas Instruments Incorporated | Predistortion mechanism for compensation of transistor size mismatch in a digital power amplifier |
| CN101866610A (en) * | 2009-04-15 | 2010-10-20 | 沈阳同方多媒体科技有限公司 | Method for protection of plasma television screen |
| CN102063843A (en) * | 2010-12-27 | 2011-05-18 | 苏州佳世达电通有限公司 | Display device and control method thereof |
| CN102402377A (en) * | 2010-09-17 | 2012-04-04 | 深圳Tcl新技术有限公司 | Display device for realizing screen saver and screen-saver method thereof |
| CN102486911A (en) * | 2010-12-01 | 2012-06-06 | 乐金显示有限公司 | Organic light emitting diode display and method for driving same |
| CN102722356A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Screen protection system and method |
| CN102956181A (en) * | 2011-08-16 | 2013-03-06 | 奇景光电股份有限公司 | Display panel driving device |
| CN103903567A (en) * | 2014-04-22 | 2014-07-02 | 西安诺瓦电子科技有限公司 | LED display screen control system, LED display screen system and stage light system |
| US20140333643A1 (en) * | 2013-05-08 | 2014-11-13 | Apple Inc. | Inverse request aggregation |
| CN104238152A (en) * | 2013-06-17 | 2014-12-24 | 北京京东方光电科技有限公司 | COG (chip on glass) testing method |
| CN104575382A (en) * | 2015-01-06 | 2015-04-29 | 昆山国显光电有限公司 | Aging compensation system and method for OLED component |
| CN105431897A (en) * | 2013-03-15 | 2016-03-23 | 谷歌技术控股有限责任公司 | Method and apparatus for displaying a predetermined image on a display panel of an electronic device when the electronic device is operating in a reduced power mode of operation |
| US20160293274A1 (en) * | 2011-11-14 | 2016-10-06 | Seagate Technology Llc | Storage Device Firmware and Manufacturing Software |
| CN106023894A (en) * | 2016-08-09 | 2016-10-12 | 深圳市华星光电技术有限公司 | Driving method and system for reducing ghost shadow of AMOLED display |
| CN106981265A (en) * | 2017-05-25 | 2017-07-25 | 京东方科技集团股份有限公司 | Processor, display driver and electronic equipment |
| CN106991962A (en) * | 2015-10-29 | 2017-07-28 | 乐金显示有限公司 | Power control unit and method and the organic light-emitting display device including the device |
| CN107527933A (en) * | 2016-06-17 | 2017-12-29 | 三星显示有限公司 | Display panel and the electronic equipment including display panel |
-
2018
- 2018-01-19 CN CN201810055049.5A patent/CN108022556B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1260558A (en) * | 1999-01-08 | 2000-07-19 | 明碁电脑股份有限公司 | Display device capable of automatically adjusting resolution ratio |
| US20080055010A1 (en) * | 2006-08-29 | 2008-03-06 | Texas Instruments Incorporated | Local oscillator with non-harmonic ratio between oscillator and RF frequencies using pulse generation and selection |
| US20100188148A1 (en) * | 2009-01-26 | 2010-07-29 | Texas Instruments Incorporated | Predistortion mechanism for compensation of transistor size mismatch in a digital power amplifier |
| CN101866610A (en) * | 2009-04-15 | 2010-10-20 | 沈阳同方多媒体科技有限公司 | Method for protection of plasma television screen |
| CN102402377A (en) * | 2010-09-17 | 2012-04-04 | 深圳Tcl新技术有限公司 | Display device for realizing screen saver and screen-saver method thereof |
| CN102486911A (en) * | 2010-12-01 | 2012-06-06 | 乐金显示有限公司 | Organic light emitting diode display and method for driving same |
| CN102063843A (en) * | 2010-12-27 | 2011-05-18 | 苏州佳世达电通有限公司 | Display device and control method thereof |
| CN102722356A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Screen protection system and method |
| CN102956181A (en) * | 2011-08-16 | 2013-03-06 | 奇景光电股份有限公司 | Display panel driving device |
| US20160293274A1 (en) * | 2011-11-14 | 2016-10-06 | Seagate Technology Llc | Storage Device Firmware and Manufacturing Software |
| CN105431897A (en) * | 2013-03-15 | 2016-03-23 | 谷歌技术控股有限责任公司 | Method and apparatus for displaying a predetermined image on a display panel of an electronic device when the electronic device is operating in a reduced power mode of operation |
| US20140333643A1 (en) * | 2013-05-08 | 2014-11-13 | Apple Inc. | Inverse request aggregation |
| CN104238152A (en) * | 2013-06-17 | 2014-12-24 | 北京京东方光电科技有限公司 | COG (chip on glass) testing method |
| CN103903567A (en) * | 2014-04-22 | 2014-07-02 | 西安诺瓦电子科技有限公司 | LED display screen control system, LED display screen system and stage light system |
| CN104575382A (en) * | 2015-01-06 | 2015-04-29 | 昆山国显光电有限公司 | Aging compensation system and method for OLED component |
| CN106991962A (en) * | 2015-10-29 | 2017-07-28 | 乐金显示有限公司 | Power control unit and method and the organic light-emitting display device including the device |
| CN107527933A (en) * | 2016-06-17 | 2017-12-29 | 三星显示有限公司 | Display panel and the electronic equipment including display panel |
| CN106023894A (en) * | 2016-08-09 | 2016-10-12 | 深圳市华星光电技术有限公司 | Driving method and system for reducing ghost shadow of AMOLED display |
| CN106981265A (en) * | 2017-05-25 | 2017-07-25 | 京东方科技集团股份有限公司 | Processor, display driver and electronic equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112419945A (en) * | 2019-08-23 | 2021-02-26 | 陕西坤同半导体科技有限公司 | Display test system and test method |
| CN112927650A (en) * | 2021-01-28 | 2021-06-08 | 深圳市天乐思科技有限公司 | Programmable wireless LED display method and LED display device |
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| Publication number | Publication date |
|---|---|
| CN108022556B (en) | 2021-05-14 |
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