CN106097961A - The blue light of display compensates system and blue light compensation method - Google Patents
The blue light of display compensates system and blue light compensation method Download PDFInfo
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- CN106097961A CN106097961A CN201610642888.8A CN201610642888A CN106097961A CN 106097961 A CN106097961 A CN 106097961A CN 201610642888 A CN201610642888 A CN 201610642888A CN 106097961 A CN106097961 A CN 106097961A
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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]
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Abstract
The present invention discloses the blue light of a kind of display and compensates system, and the blue light of the display floater being applied to organic light emitting diode display compensates, and the blue light of described display compensates system and includes: gamma module；Timing module, electrically connects described gamma module, in order to calculate the total working duration of described gamma module；And depositor, electrically connect described gamma module, in order to deposit the gamma numerical tabular of the blue subpixels of described display floater, described gamma numerical tabular compensates design according to the aging characteristics of the blue subpixels material of described display floater；Described gamma module, according to described total working duration, is transferred corresponding gamma value from described depositor, and is calculated the driving voltage of the blue subpixels of described display floater according to described corresponding gamma value.The blue light applying described display compensates the display of system and has preferably display quality.Invention additionally discloses the blue light compensation method of a kind of display.
Description
Technical field
The present invention relates to the Display Technique field of display, the blue light particularly relating to a kind of display compensates system and
Plant the blue light compensation method of display.
Background technology
OLED (Organic Light-Emitting Diode) i.e. organic light-emitting diode display technology is with organic thin
Film is as the self light emitting of luminous body, and its operation principle is: under external voltage drives, by the electronics of electrode injection and
Hole is compound energy of releasing in organic material, and transfers energy to the molecule of organic luminescent substance, and the latter is excited, from
Ground state transition is to excited state, and when excited molecule returns to ground state from excited state, radiation transistion creates luminescence phenomenon.
Although OLED display panel has the advantages such as frivolous, wide viewing angle, high-contrast, but by its blue subpixels material
Defect (material aging speed is fast), therefore blue subpixels luminous efficiency is low, and the life-span is short, and blue subpixels decay of luminescence is maximum,
Thus cause many image quality severe exacerbations of OLED display panel, color offset phenomenon occurs, make the display of OLED display panel
Of poor quality.
Summary of the invention
The technical problem to be solved is that the blue light providing a kind of display compensates system, is applied to organic
Optical diode display, the display applying the blue light of described display to compensate system has preferably display quality.
Additionally, also provide for the blue light compensation method of a kind of display, in order to improve the display quality of described display.
To achieve these goals, embodiment of the present invention adopts the following technical scheme that
On the one hand, it is provided that the blue light of a kind of display compensates system, is applied to the display of organic light emitting diode display
The blue light of panel compensates, and the blue light of described display compensates system and includes:
Gamma module；
Timing module, electrically connects described gamma module, in order to calculate the total working duration of described gamma module；And
Depositor, electrically connects described gamma module, in order to deposit the gamma numerical value of the blue subpixels of described display floater
Table, described gamma numerical tabular compensates design according to the aging characteristics of the blue subpixels material of described display floater；
Described gamma module, according to described total working duration, transfers corresponding gamma value from described depositor, and according to described
Corresponding gamma value calculates the driving voltage of the blue subpixels of described display floater.
Wherein, described gamma numerical tabular includes:
Second gamma value, less than the original gamma value in described gamma module, is more than corresponding to described total working duration
In N and the interval less than 2N, N is positive number；
3rd gamma value, less than described second gamma value, older more than or equal to 2N and be less than corresponding to described total working
The interval of 3N.
Wherein, described depositor includes determination module and the registration module of electrical connection, and described registration module is in order to deposit
State gamma numerical tabular；
When described determination module judges that described total working duration is in less than N interval, described determination module is uncomfortable
Take the gamma value in described gamma numerical tabular, and make described gamma module use original gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, institute
State described second gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module use described second gal
Horse value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, institute
State described 3rd gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module use described 3rd gal
Horse value.
Wherein, described gamma numerical tabular includes:
First gamma value, identical with the original gamma value in described gamma module, it is less than corresponding to described total working duration
Equal to the interval of N, N is positive number；
Second gamma value, less than described first gamma value, corresponding to described total working duration more than or equal to N and less than 2N
The interval in year；
3rd gamma value, less than described second gamma value, older more than or equal to 2N and be less than corresponding to described total working
The interval of 3N.
Wherein, described depositor includes determination module and the registration module of electrical connection, and described registration module is in order to deposit
State gamma numerical tabular；
When described determination module judges that described total working duration is in less than N interval, described determination module is transferred
Described first gamma value in described gamma numerical tabular, and make described gamma module use described first gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, institute
State described second gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module use described second gal
Horse value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, institute
State described 3rd gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module use described 3rd gal
Horse value.
Wherein, described original gamma value and the difference of described second gamma value are equal to second budget gamma value and described original gal
The difference of horse value, described second budget gamma value is: in reliability test, by the blue subpixels of described display through N
The gamma value that attenuation degree after Nian is extrapolated；
Described original gamma value is equal to the 3rd budget gamma value and described original gamma value with the difference of described 3rd gamma value
Difference, described 3rd budget gamma value is: in reliability test, by the blue subpixels of described display after 2N
The gamma value extrapolated of attenuation degree.
Wherein, described N is equal to 2, and described original gamma value is equal to 2.2, and described second gamma value is equal to the 2.0, the described 3rd
Gamma value is equal to 1.8.
Wherein, described gamma numerical tabular also includes the 4th gamma value, less than described 3rd gamma value, corresponding to described chief engineer
Make the older interval more than or equal to 3N.
Wherein, described timing module include electrical connection timer and memorizer, described timer in order to timing, described in deposit
Reservoir is in order to store the described total working duration after each timing terminates；
When described gamma module is started working, described gamma module transfers current described total working from described memorizer
Duration, the most described timer is also transferred current described total working duration from described memorizer and starts accumulation timing；Work as institute
Stating gamma module when quitting work, newly-generated described total working duration is stored in described memorizer by described timer, to replace
Original described total working duration.
On the other hand, the blue light compensation method of a kind of display is also provided for, in order to organic light emitting diode display
Display floater carry out blue light compensation, described method includes:
Described gamma module reads the total working duration of the gamma module that timing module is calculated；
Described gamma module according to described total working duration, transfers corresponding gamma value from depositor, described depositor in order to
Depositing the gamma numerical tabular of the blue subpixels of described display floater, described gamma numerical tabular is according to the blueness of described display floater
The aging characteristics of sub-pixel material compensate design；And
Described gamma module calculates the driving voltage of the blue subpixels of described display floater according to described corresponding gamma value.
Compared to prior art, the method have the advantages that
In the blue light compensation system of display described in the embodiment of the present invention, owing to described gamma numerical tabular is according to described aobvious
Show panel blue subpixels material aging Characteristic Compensation of Medical Sensors design, described gamma module according to described total working duration,
Corresponding gamma value is transferred from described depositor, and calculate the blue subpixels of described display floater according to described corresponding gamma value
Driving voltage, therefore, when the blue subpixels of described display floater produces blue light brightness attenuation problem because of material aging, this
Driving voltage described in embodiment can carry out blue light compensation to described display floater, it is ensured that the blue subpixels of described display floater
Display brightness enough, make the blue subpixels of described display floater normally show.In other words, the blue light of described display compensates
System can solve the problem that the display flaw problem brought because of the material ageing problem of the blue subpixels of described display floater (such as
Colour cast) so that described display floater has good picture display quality, preferably show so described display has
Quality.
Meanwhile, described in the present embodiment, gamma module, described depositor and described timing module can be integrated in institute simultaneously
State in the sequential control system of display, and described gamma module and described depositor be the existing hardware of existing display,
The blue light of described display compensates system only to be needed to add this hardware of described timing module, and the blue light of the most described display is mended
The cost repaying system is the lowest.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, the accompanying drawing used required in embodiment will be made below
Introduce simply, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to as these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the configuration diagram of the blue light compensation system of a kind of display that the embodiment of the present invention provides.
Fig. 2 is the schematic flow sheet of the blue light compensation method of a kind of display that the embodiment of the present invention provides.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Seeing also 1 and Fig. 2, the embodiment of the present invention provides the blue light of a kind of display to compensate system, is applied to organic
The blue light of the display floater of light emitting diode (Organic Light-Emitting Diode, OLED) display compensates.Described
The blue light of display compensate system include gamma (Gamma) module 1, depositor 2 and timing module (Timing memory, again
Claim time memory memory element) 3.Described timing module 3 electrically connects described gamma module 1, in order to calculate described gamma module 1
Total working duration.Described depositor 2 electrically connects described gamma module 1, in order to deposit the blue subpixels of described display floater
Gamma numerical tabular, described gamma numerical tabular compensates according to the aging characteristics of the blue subpixels material of described display floater and sets
Meter.Described gamma module 1, according to described total working duration, transfers corresponding gamma value from described depositor 2, and according to described correspondence
Gamma value calculates the driving voltage of the blue subpixels of described display floater, and described driving voltage can make described display floater
Blue subpixels normally shows.
In the blue light compensation system of display described in the present embodiment, owing to described gamma numerical tabular is according to described display surface
The material aging Characteristic Compensation of Medical Sensors design of the blue subpixels of plate, described gamma module 1 is according to described total working duration, from institute
State depositor 2 and transfer corresponding gamma value, and calculate the driving of blue subpixels of described display floater according to described corresponding gamma value
Galvanic electricity pressure, therefore, when the blue subpixels of described display floater produces blue light brightness attenuation problem because of material aging, this reality
Execute driving voltage described in example and described display floater can be carried out blue light compensation, it is ensured that the blue subpixels of described display floater
Display brightness is enough, makes the blue subpixels of described display floater normally show.In other words, the blue light of described display compensates system
System can solve the problem that display flaw problem (the such as color brought because of the material ageing problem of the blue subpixels of described display floater
Partially), so that described display floater has good picture display quality, so described display has preferably shows matter
Amount.
Meanwhile, described in the present embodiment, gamma module 1, described depositor 2 and described timing module 3 can be integrated in simultaneously
In the sequential control system (TCON) of described display, and described gamma module 1 and described depositor 2 have been existing display
Some hardware, the blue light of described display compensates system only to be needed to add described this hardware of timing module 3, the most described display
The cost that the blue light of device compensates system is the lowest.
For example, when described sequential control system (TCON) is started working, described gamma module 1 first read described always
Operating time, then transfers the corresponding gamma value of described total working duration, finally according to described corresponding gamma from described depositor 2
Value calculates the driving voltage of the blue subpixels of described display floater, and exports described driving voltage extremely described display floater, with
The blue subpixels making described display floater normally shows.
Organic light emitting diode display described in the present embodiment includes but not limited to RGB-AMOLED (Active-matrix
Organic light emitting diode, active matrix organic light-emitting diode or active-matrix organic light emitting diode)
Display or RGBW-AMOLED display.
Preferably, as it is shown in figure 1, the sequential control system of display described in the present embodiment also includes multiple function mould
Block, is respectively as follows: low-voltage differential signal receiving port (LVDS RX) 4, is called for short receiving port, and its effect is to receive mainboard to give
The low-voltage differential signal of described sequential control system (TCON) (Low-Voltage Differential Signaling,
LVDS)；Data latches (Data latch) 5, its effect is the low-voltage that temporary mainboard gives sequential control system (TCON)
Differential signal；Over-drive unit (Over Drive) 6, its effect is to increase the driving force of the signal of input；Sequencing contro list
Unit (Timing Controller) 7, its effect is the work schedule controlling each module of whole screen；Mini low voltage difference is believed
Number output port (Mini-LVDS TX) 8, is called for short output port, and its effect is to export mini low-voltage differential signal (Mini-
And clock signal gives follow-up data driving chip (Source Driver IC) 9 LVDS).
Gamma numerical tabular described in the present embodiment includes multiple interval and multiple gamma value, and the plurality of interval is described chief engineer
The multiple durations making duration are interval, the plurality of gamma value and the plurality of interval one_to_one corresponding.
Further, as a kind of preferred embodiment, described gamma numerical tabular include the second gamma value, the 3rd gamma value with
And the 4th gamma value.Described second gamma value is less than the original gamma value in described gamma module 1, during corresponding to described total working
Length is more than or equal to N and the interval less than 2N, and N is positive number.Described 3rd gamma value is less than described second gamma value, corresponds to
Described total working is older more than or equal to 2N and less than the interval of 3N.Described 4th gamma value is less than described 3rd gamma value,
Corresponding to the older interval more than or equal to 3N of described total working.
In the present embodiment, owing to the blue subpixels material of described display floater is the most aging, the aobvious of blue light can be caused
Show luminance-reduction, therefore the second gamma value, described 3rd gamma value and the size of described 4th gamma value described in the present embodiment
Successively decrease successively, in order to compensate the luminosity of the blue light of described display floater so that described display has and preferably shows matter
Amount.
Preferably, described gamma numerical tabular includes at least two group gamma values, preferably three to five group gamma values.Described N can
Think 1,2,2.5 or 3 etc..
Preferably, described depositor 2 includes determination module and the registration module of electrical connection, and described registration module is in order to deposit
Described gamma numerical tabular.
When described determination module judges that described total working duration is in less than N interval, described determination module is uncomfortable
Take the gamma value in described gamma numerical tabular, and make described gamma module 1 use original gamma value.The most described corresponding gamma value
It is described original gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, institute
State described second gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module 1 use described second
Gamma value.The most described corresponding gamma value is described second gamma value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, institute
State described 3rd gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module 1 use the described 3rd
Gamma value.The most described corresponding gamma value is described 3rd gamma value；
When described determination module judges that described total working duration is in more than or equal to 3N interval, described determination module
Transfer described 4th gamma value in described gamma numerical tabular, and make described gamma module 1 use described 4th gamma value.Now
Described corresponding gamma value is described 4th gamma value.
In the present embodiment, the described determination module of described depositor 2 can help described gamma module 1 quickly to transfer institute
State corresponding gamma value.Meanwhile, in the present embodiment, because when the total working duration of described gamma module 1 is the least (described in such as
Total working duration is less than or equal to N), the total working duration of described display floater is also the shortest, the blueness of described display floater
The decay of sub-pixel is inconspicuous, therefore can be not provided with being less than or equal to corresponding to described total working duration the gamma value of N, use
Described original gamma value.
Further, as another kind of preferred embodiment, described gamma numerical tabular includes the first gamma value, the second gamma
Value, the 3rd gamma value and the 4th gamma value.Described first gamma value is identical with the original gamma value in described gamma module 1,
Corresponding to the described total working duration interval less than or equal to N, N is positive number.Described second gamma value is less than described first gamma
Value, corresponding to described total working duration more than or equal to N and the interval less than 2N.Described 3rd gamma value is less than described second
Gamma value, older more than or equal to 2N and less than the interval of 3N corresponding to described total working.Described 4th gamma value is less than institute
State the 3rd gamma value, corresponding to the older interval more than or equal to 3N of described total working.
In the present embodiment, owing to the blue subpixels material of described display floater is the most aging, the aobvious of blue light can be caused
Show luminance-reduction, therefore the first gamma value, described second gamma value, described 3rd gamma value and described described in the present embodiment
The size of four gamma values is successively decreased successively, in order to compensate the luminosity of the blue light of described display floater so that described display utensil
There is preferably display quality.
Preferably, described depositor 2 includes determination module and the registration module of electrical connection, and described registration module is in order to deposit
Described gamma numerical tabular.
When described determination module judges that described total working duration is in less than N interval, described determination module is transferred
Described first gamma value in described gamma numerical tabular, and make described gamma module 1 use described first gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, institute
State described second gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module 1 use described second
Gamma value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, institute
State described 3rd gamma value that determination module is transferred in described gamma numerical tabular, and make described gamma module 1 use the described 3rd
Gamma value；
When described determination module judges that described total working duration is in more than or equal to 3N interval, described determination module
Transfer described 4th gamma value in described gamma numerical tabular, and make described gamma module 1 use described 4th gamma value.Now
Described corresponding gamma value is described 4th gamma value.
In the present embodiment, the described determination module of described depositor 2 can help described gamma module 1 quickly to transfer institute
State corresponding gamma value.Meanwhile, in the present embodiment, because when the total working duration of described gamma module 1 is (such as described the most in short-term
Total working duration is less than or equal to N), the total working duration of described display floater is also the shortest, the blueness of described display floater
The decay of sub-pixel is inconspicuous, therefore arranges described first gamma value identical with described original gamma value.
Further, as a kind of alternative embodiment, the difference of described original gamma value and described second gamma value is equal to the
Two budget gamma values and the difference of described original gamma value, described second budget gamma value is: in reliability test, by described aobvious
Show the gamma value that the blue subpixels of device is extrapolated at the attenuation degree after N.
Described original gamma value is equal to the 3rd budget gamma value and described original gamma value with the difference of described 3rd gamma value
Difference, described 3rd budget gamma value is: in reliability test, by the blue subpixels of described display after 2N
The gamma value extrapolated of attenuation degree.
Described original gamma value is equal to the 4th budget gamma value and described original gamma value with the difference of described 4th gamma value
Difference, described 4th budget gamma value is: in reliability test, by the blue subpixels of described display after 3N
The gamma value extrapolated of attenuation degree.
In the present embodiment, described display, by reliability test, records the described display surface of described display
The attenuation of the brightness of the blue subpixels of plate, to extrapolate each use time of the blue subpixels of described display floater
Corresponding gamma value, the most described second budget gamma value, described 3rd budget gamma value and described 4th budget gamma
Value, thus Contrary compensation, calculate described second gamma value, described 3rd gamma value and the size of described 4th gamma value,
In order to ensure the display brightness of the blue subpixels of described display floater so that described display has preferably display effect.
For example, making described N equal to 2, described original gamma value is equal to 2.2.The blue subpixels of described display floater
Gamma value after 2 years is second budget gamma value, and described second budget gamma value is equal to 2.4, therefore by calculating, makes described
Second gamma value is equal to 2.0；The blue subpixels of display floater gamma value after 4 years is the 3rd budget gamma value, described
Three budget gamma values are equal to 2.6, therefore by calculating, make described 3rd gamma value equal to 1.8；The blue subpixels of display floater
Gamma value after 6 years is the 4th budget gamma value, and described 4th budget gamma value is equal to 2.8, therefore by calculating, makes described
3rd gamma value is equal to 1.6.
Further, as a kind of alternative embodiment, described timing module 3 includes timer and the memorizer of electrical connection,
Described timer is in order to timing, and described memorizer is in order to store the described total working duration after each timing terminates.When described gal
When horse module 1 is started working, described gamma module 1 transfers current described total working duration from described memorizer, the most described
Timer is also transferred current described total working duration from described memorizer and starts accumulation timing；When described gamma module 1 is stopped
When only working, newly-generated described total working duration is stored in described memorizer by described timer, with replace original described always
Operating time.
Seeing also 1 and Fig. 2, the embodiment of the present invention also provides for the blue light compensation method of a kind of display, in order to having
The display floater of machine light emitting diode indicator carry out blue light compensation.Described method includes:
Gamma module 1 starts working (step Step1)；
Described gamma module 1 reads the total working duration (step Step2) of the gamma module 1 that timing module 3 is calculated；
Described gamma module 1, according to described total working duration, transfers corresponding gamma value from depositor 2, and described depositor 2 is used
To deposit the gamma numerical tabular of the blue subpixels of described display floater, described gamma numerical tabular is according to the indigo plant of described display floater
The aging characteristics of sub-pixels material compensate design (step Step3 and step Step4)；And
Described gamma module 1 calculates the driving voltage of the blue subpixels of described display floater according to described corresponding gamma value
(step Step5).
In the present embodiment, when described display shows, owing to described gamma numerical tabular is according to described display surface
The material aging Characteristic Compensation of Medical Sensors design of the blue subpixels of plate, described gamma module 1 is according to described total working duration, from institute
State depositor 2 and transfer corresponding gamma value, and calculate the driving of blue subpixels of described display floater according to described corresponding gamma value
Galvanic electricity pressure, therefore, when the blue subpixels of described display floater produces blue light brightness attenuation problem because of material aging, this reality
Execute driving voltage described in example and described display floater can be carried out blue light compensation, it is ensured that the blue subpixels of described display floater
Display brightness is enough, makes the blue subpixels of described display floater normally show.In other words, the blue light compensation side of described display
Method can solve the problem that display flaw problem (the such as color brought because of the material ageing problem of the blue subpixels of described display floater
Partially), so that described display floater has good picture display quality, so described display has preferably shows matter
Amount.
It should be understood that the blue light compensation method of display described in the present embodiment can use as above described in any embodiment
Display blue light compensate system.
It is further, described that " described gamma module 1, according to described total working duration, transfers corresponding gamma from depositor 2
Value " including:
Judge described total working duration be in which interval (step Step3) and
Transfer the corresponding gamma value (step Step4) in described interval.
It should be appreciated that when described gamma module 1 reads described total working duration, described timing module 3 starts to continue
The total working duration of accumulative described gamma module 1.
Above the embodiment of the present invention is described in detail, specific case used herein to the principle of the present invention and
Embodiment is set forth, and the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention；
Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, the most all can
Change part, and in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the blue light of display compensates a system, and the blue light of the display floater being applied to organic light emitting diode display is mended
Repay, it is characterised in that the blue light of described display compensates system and includes:
Gamma module；
Timing module, electrically connects described gamma module, in order to calculate the total working duration of described gamma module；And
Depositor, electrically connects described gamma module, in order to deposit the gamma numerical tabular of the blue subpixels of described display floater, institute
State gamma numerical tabular and compensate design according to the aging characteristics of the blue subpixels material of described display floater；
Described gamma module, according to described total working duration, transfers corresponding gamma value from described depositor, and according to described correspondence
Gamma value calculates the driving voltage of the blue subpixels of described display floater.
2. the blue light of display compensates system as claimed in claim 1, it is characterised in that described gamma numerical tabular includes:
Second gamma value, less than the original gamma value in described gamma module, corresponding to described total working duration more than or equal to N
And the interval less than 2N, N is positive number；
3rd gamma value, less than described second gamma value, older more than or equal to 2N and less than 3N corresponding to described total working
Interval.
3. the blue light of display compensates system as claimed in claim 2, it is characterised in that described depositor includes sentencing of electrical connection
Cover half block and registration module, described registration module is in order to deposit described gamma numerical tabular；
When described determination module judges that described total working duration is in less than N interval, described determination module does not transfer institute
State the gamma value in gamma numerical tabular, and make described gamma module use original gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, described in sentence
Determine described second gamma value in gamma numerical tabular described in module calls, and make described gamma module use described second gamma
Value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, described in sentence
Determine described 3rd gamma value in gamma numerical tabular described in module calls, and make described gamma module use described 3rd gamma
Value.
4. the blue light of display compensates system as claimed in claim 1, it is characterised in that described gamma numerical tabular includes:
First gamma value is identical with the original gamma value in described gamma module, corresponding to described total working duration less than or equal to N
The interval in year, N is positive number；
Second gamma value, less than described first gamma value, corresponding to described total working duration more than or equal to N and less than 2N's
Interval；
3rd gamma value, less than described second gamma value, older more than or equal to 2N and less than 3N corresponding to described total working
Interval.
5. the blue light of display compensates system as claimed in claim 4, it is characterised in that described depositor includes sentencing of electrical connection
Cover half block and registration module, described registration module is in order to deposit described gamma numerical tabular；
When described determination module judges that described total working duration is in less than N interval, described determination module is transferred described
Described first gamma value in gamma numerical tabular, and make described gamma module use described first gamma value；
When described determination module judges that described total working duration is in more than or equal to N and during less than 2N interval, described in sentence
Determine described second gamma value in gamma numerical tabular described in module calls, and make described gamma module use described second gamma
Value；
When described determination module judges that described total working duration is in more than or equal to 2N and during less than 3N interval, described in sentence
Determine described 3rd gamma value in gamma numerical tabular described in module calls, and make described gamma module use described 3rd gamma
Value.
6. as described in claim 2 or 4, the blue light of display compensates system, it is characterised in that described original gamma value is with described
The difference of the second gamma value is equal to the difference of second budget gamma value with described original gamma value, and described second budget gamma value is:
In reliability test, the blue subpixels of described display the gamma value extrapolated at the attenuation degree after N；
The difference of described original gamma value and described 3rd gamma value is equal to the difference of the 3rd budget gamma value and described original gamma value,
Described 3rd budget gamma value is: in reliability test, by the blue subpixels of described display declining after 2N
Subtract the gamma value that degree is extrapolated.
7. the blue light of display compensates system as claimed in claim 6, it is characterised in that described N is equal to 2, described original gamma
Value is equal to 2.2, and described second gamma value is equal to 2.0, and described 3rd gamma value is equal to 1.8.
8. as described in claim 2 or 4, the blue light of display compensates system, it is characterised in that described gamma numerical tabular also includes
4th gamma value, less than described 3rd gamma value, corresponding to the older interval more than or equal to 3N of described total working.
9. the blue light of display compensates system as claimed in claim 1, it is characterised in that described timing module includes electrical connection
Timer and memorizer, described timer is in order to timing, and described memorizer is in order to store the described chief engineer after each timing terminates
Make duration；
When described gamma module is started working, described gamma module is when current described total working transferred by described memorizer
Long, the most described timer is also transferred current described total working duration from described memorizer and starts accumulation timing；When described
When gamma module quits work, newly-generated described total working duration is stored in described memorizer by described timer, former to replace
The described total working duration having.
10. a blue light compensation method for display, carries out indigo plant in order to the display floater to organic light emitting diode display
Light compensates, it is characterised in that described method includes:
Described gamma module reads the total working duration of the gamma module that timing module is calculated；
Described gamma module, according to described total working duration, transfers corresponding gamma value from depositor, and described depositor is in order to deposit
The gamma numerical tabular of the blue subpixels of described display floater, described gamma numerical tabular is according to the sub-picture of blueness of described display floater
The aging characteristics of cellulosic material compensate design；And
Described gamma module calculates the driving voltage of the blue subpixels of described display floater according to described corresponding gamma value.
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