[go: up one dir, main page]

CN108648697A - Screen intensity calibration method, apparatus and system, computer readable storage medium - Google Patents

Screen intensity calibration method, apparatus and system, computer readable storage medium Download PDF

Info

Publication number
CN108648697A
CN108648697A CN201810288678.2A CN201810288678A CN108648697A CN 108648697 A CN108648697 A CN 108648697A CN 201810288678 A CN201810288678 A CN 201810288678A CN 108648697 A CN108648697 A CN 108648697A
Authority
CN
China
Prior art keywords
brightness
calibration
lamp current
backlight lamp
current value
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810288678.2A
Other languages
Chinese (zh)
Inventor
张晓亮
杨定洲
王剑平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201810288678.2A priority Critical patent/CN108648697A/en
Publication of CN108648697A publication Critical patent/CN108648697A/en
Priority to PCT/CN2019/076893 priority patent/WO2019184660A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • G09G3/3413Details of control of colour illumination sources
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
    • G09G3/3406Control of illumination source
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0626Adjustment of display parameters for control of overall brightness
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/06Adjustment of display parameters
    • G09G2320/0693Calibration of display systems
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/14Detecting light within display terminals, e.g. using a single or a plurality of photosensors
    • G09G2360/145Detecting light within display terminals, e.g. using a single or a plurality of photosensors the light originating from the display screen

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

A kind of screen intensity calibration method, apparatus and system, computer readable storage medium, the screen intensity calibration method include:The backlight lamp current value for adjusting each brightness degree so that screen intensity is the corresponding calibration brightness of the brightness degree.Calibration method provided in this embodiment, which avoids subjectivity, therefore error is small, efficient.

Description

Screen intensity calibration method, apparatus and system, computer readable storage medium
Technical field
The present invention relates to electronic technology, espespecially a kind of screen intensity calibration method, apparatus and system, computer-readable storage Medium.
Background technology
Brightness of display screen is an important parameter of display screen, existing intelligent terminal, and the display screen of TV etc. is commented There is the requirement for display brightness in price card standard.
One group of representative value and one group of minimum value, such as one are defined for the requirement of brightness in existing terminal display screen 5 inches of terminal screen, screen intensity is not less than 400cd/ square metres when mobile phone screen is most bright, and terminal screen is most dark When screen intensity be not higher than 10cd/ square metres.Therefore, as long as the brightness of terminal display screen is taken as not less than defined value Non-defective unit, for example, being arrived between 500cd/ square metres at 400cd/ square metres with a batch of brightness of display screen distributed area.This be by It is not consistent in the brightness for the backlight that display screen uses, causes the brightness of different terminals display screen that can not accomplish one It causes.Therefore, when being shown using the splicing of multiple display screens, the brightness between multiple screens is inconsistent, influences display effect Fruit.Common means are visually to select the close display screen of brightness to be spliced to prompt display effect.This method is subjective Property is stronger, in addition, inefficiency.
Invention content
A present invention at least embodiment provides a kind of screen intensity calibration method, apparatus and system, computer-readable deposits Storage media so that screen intensity is consistent.
In order to reach the object of the invention, a present invention at least embodiment provides a kind of screen intensity calibration method, including:
Calibration brightness set is obtained, the calibration brightness set includes calibrating brightness correspondingly with brightness degree;
To each display screen to be calibrated, backlight corresponding with brightness is each calibrated in the calibration brightness set is determined Current value, it is the corresponding back of the body of the corresponding calibration brightness of the brightness degree to calibrate the corresponding backlight lamp current value of each brightness degree Light lamp current value.
A present invention at least embodiment provides a kind of screen intensity calibrating installation, including memory and processor, described to deposit Reservoir has program stored therein, and described program realizes the screen intensity described in any embodiment when reading execution by the processor Calibration method.
A present invention at least embodiment provides a kind of computer readable storage medium, and the computer readable storage medium is deposited One or more program is contained, one or more of programs can be executed by one or more processor, be appointed to realize Screen intensity calibration method described in one embodiment.
One embodiment of the invention provides a kind of screen intensity calibration system, including:Brightness calibration module, brightness regulation mould Block, wherein:
The brightness calibration module is used for, and obtains calibration brightness set, and the calibration brightness set includes and brightness degree One-to-one calibration brightness;To each display screen to be calibrated, determines and each calibrate brightness in the calibration brightness set Corresponding backlight lamp current value, by the i.e. corresponding calibration brightness of the brightness degree of the corresponding backlight lamp current value of each brightness degree Corresponding backlight lamp current value is sent to the luminance adjustment module;
The luminance adjustment module is used for, and it is from the brightness school to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that quasi-mode block receives.
Compared with the relevant technologies, in a present invention at least embodiment, by the brightness calibration of same brightness degree to same bright Degree, so that the brightness of multiple display screens is consistent.The calibration method avoids subjectivity, therefore error is small, efficient.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages can be by specification, rights Specifically noted structure is realized and is obtained in claim and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the present invention, and a part for constitution instruction, with this The embodiment of application technical solution for explaining the present invention together, does not constitute the limitation to technical solution of the present invention.
Fig. 1 is backlight lamp current value and brightness relationship schematic diagram;
Fig. 2 is the screen intensity calibration method flow chart that one embodiment of the invention provides;
Fig. 3 is the screen intensity calibration system block diagram that one embodiment of the invention provides;
Fig. 4 is the screen intensity calibration system block diagram that another embodiment of the present invention provides;
Fig. 5 is the screen intensity calibration system block diagram that another embodiment of the present invention provides;
Fig. 6 is the screen intensity calibrating installation block diagram that another embodiment of the present invention provides.
Specific implementation mode
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention Embodiment be described in detail.It should be noted that in the absence of conflict, in the embodiment and embodiment in the application Feature mutually can arbitrarily combine.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions It executes.Also, although logical order is shown in flow charts, and it in some cases, can be with suitable different from herein Sequence executes shown or described step.
The brightness of display screen and the substantially proportional relationship of the electric current of display backlight lamp, with the increasing of backlight lamp current Increase greatly, as shown in Figure 1, be proportional relationship between the brightness and electric current of each display screen, but each display screen The slope of brightness and current relationship is different, different if leading to screen intensity when backlight lamp current is consistent.In the application, it is So that screen intensity is consistent, change backlight lamp current value so that under same brightness degree, the brightness of each display screen is identical.
Embodiment one
As shown in Fig. 2, one embodiment of the invention provides a kind of screen intensity calibration method, including:
Step 201, calibration brightness set is obtained, the calibration brightness set includes being calibrated correspondingly with brightness degree Brightness;
Step 202, to each display screen to be calibrated, determination is corresponding with brightness is each calibrated in the calibration brightness set Backlight lamp current value, calibrate the corresponding backlight lamp current value of each brightness degree be the corresponding calibration brightness of the brightness degree Corresponding backlight lamp current value.
Scheme provided by the present application, brightness of display screen when by same brightness degree are calibrated to same brightness so that each aobvious The brightness of display screen reaches consistent.Scheme provided by the present application, efficient, error is small, the brightness of display screen consistency ratio after calibration It is higher.
In one embodiment, the brightness degree includes 255 grades.It should be noted that the application is without being limited thereto, if being System can support more brightness degrees, can still apply the application.Terminal adjusts the brightness of display screen according to brightness degree.
In one embodiment, in step 201, the calibration brightness set is by a display in the display screen to be calibrated It when screen is not calibrated, is formed with the one-to-one original brightness of brightness degree, and the maximum brightness of the display screen is minimum;Or Person, the calibration brightness calibrated in brightness set are preset value.I.e., it is possible to preset a calibration brightness set, also may be used It is one of as school reference of reference using in the multiple display screens that will be calibrated, by the brightness calibration of other display screens To consistent with the display screen.It should be noted that the maximum brightness of the display screen as calibration benchmark is to be calibrated more aobvious than other The maximum brightness of display screen wants small.
In another embodiment, the brightness specifications of terminal display screen require the maximum brightness of all display screens to be not less than first Threshold value, setting calibration brightness maxima are less than or equal to first threshold.
In one embodiment, setting terminal is supplied to the electric current of display backlight lamp to be averagely allocated as 255 grades, and 20/ 255*n indicates the current value of the n-th grade, and for wherein n from 1 to 255, corresponding current value is I1To I255, measure first display screen The brightness of display screen of each grade in backlight lamp current grade from 1 to 255 obtains L1To L255A brightness value.
The calibration brightness of setting is also set from small to large from B1To B255A value, usual BnLess than Ln
By the corresponding brightness of brightness degree n from LnIt is reduced to Bn, n from 1 to 255, need brightness degree be n when electric current drop Low (In-In-1)*(Ln-Bn)/(Ln-Ln-1), the electric current I' after reductionnFor In-(In-In-1)*(Ln-Bn)/(Ln-Ln-1), i.e., it will be electric Flow I'nAs the corresponding backlight lamp current values of brightness degree n.
Specifically, determination backlight lamp current value packet corresponding with brightness is each calibrated in the calibration brightness set It includes:Obtain brightness of display screen L when brightness degree is nmWith backlight lamp current value In, obtain display screen when brightness degree is n-1 Brightness Ln-1With backlight lamp current value In-1, by I'n=In-(In-In-1)*(Ln-Bn)/(Ln-Ln-1) as brightness degree be n when Backlight lamp current value, the BnFor the corresponding calibration brightness of brightness degree n in the calibration brightness set;N=1 ..., N
Alternatively, determination backlight lamp current value corresponding with brightness is each calibrated in the calibration brightness set includes: Obtain brightness of display screen L when brightness degree is mmWith backlight lamp current value Im, obtain brightness degree be m-1 when display screen it is bright Spend Lm-1With backlight lamp current value Im-1, by I'm=Im-(Im-Im-1)*(Lm-Bm)/(Lm-Lm-1) as brightness degree be m when the back of the body Light lamp current value, the partial value in the m=1 ..., N;Use I'mIt carries out linear interpolation and obtains the back of the body under other brightness degrees Light lamp current value.For example, every 10 brightness degrees acquire the brightness of a display screen, to obtain I1', I1'0, I2'0..., I2'50, I2'55, then by I1' and I1'0I is obtained into row interpolation2'~I9', by I1'0With I2'0I is obtained into row interpolation1'1~I1'9, according to It is secondary to analogize.It should be noted that can also every 20 brightness degrees acquire the brightness, etc. of a display screen, alternatively, selecting portion Divide the brightness, etc. of brightness degree acquisition display screen.Specific linear interpolation method can be according to the relevant technologies, and details are not described herein again.
In one embodiment, determination backlight lamp current corresponding with brightness is each calibrated in the calibration brightness set Value includes:
Backlight lamp current is adjusted, obtains brightness of display screen so that the brightness of display screen is respectively the calibration brightness set Each of calibration brightness, record corresponding with calibration brightness backlight lamp current value;Each brightness degree is carried out Calibration obtains the corresponding backlight lamp current value of each brightness degree (the corresponding back of the body of the corresponding calibration brightness of i.e. each brightness degree Light lamp current value);
Alternatively, adjusting backlight lamp current, brightness of display screen is obtained so that the brightness of display screen is respectively the calibration brightness Multiple calibration brightness in set record backlight lamp current value corresponding with the calibration brightness;According to the backlight recorded Current value carries out linear interpolation and obtains other corresponding backlight lamp current values of calibration brightness in the calibration brightness set.That is, only Part luma grade is calibrated, since backlight lamp current value and brightness are there are linear relationship, can be by part luma The backlight lamp current value of grade obtains the backlight lamp current value of other brightness degrees by way of linear interpolation, for example, Obtain brightness degree 1,5,10,15 ..., the backlight lamp current values of 255 each brightness degrees, the backlight lamp current of other brightness degrees Value is obtained by linear interpolation mode.It is merely illustrative herein, can also obtain brightness degree 1,10,20,30 ..., it is 250,255 each The backlight lamp current value of brightness degree, the backlight lamp current values of other brightness degrees are obtained, etc. by linear interpolation mode.
Scheme provided in this embodiment acquires the brightness of each brightness degree, according to the calibration brightness of itself and the brightness degree Difference, so that it is determined that the backlight lamp current value of each brightness degree.
Scheme provided by the present application can calibrate single display screen, can also be calibrated to multiple display screens, Multiple display screen can be multiple display screens of multi-screen terminal, can also be the display screen of independent multiple terminals, can also It is independent display screen (unassembled in terminal), terminal can be mobile phone, tablet, computer, TV etc..
Embodiment two
As shown in figure 3, the present embodiment provides a kind of screen intensity calibration systems, including:Brightness calibration module 301, brightness Adjustment module 302, wherein:
The brightness calibration module 301 is used for, and obtains calibration brightness set, and the calibration brightness set includes with brightness etc. The one-to-one calibration brightness of grade;To each display screen to be calibrated, determine with each calibrated in the calibration brightness set it is bright Corresponding backlight lamp current value is spent, the corresponding calibration of the corresponding backlight lamp current value of each brightness degree i.e. brightness degree is bright It spends corresponding backlight lamp current value and is sent to the luminance adjustment module;
The luminance adjustment module 302 is used for, and it is from described bright to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that degree calibration module receives.
Wherein, brightness calibration module 301 and luminance adjustment module 302 can be located at same equipment, can also be located at difference Equipment, for example, brightness calibration module 301 and luminance adjustment module 302 are respectively positioned on double screen terminal to be calibrated, alternatively, wherein it One is located at computer end, one of them is located at double screen terminal.
In one embodiment, the screen intensity calibration system further includes brightness collecting device 300, wherein:
The brightness collecting device 300 is used for, and receives the brightness acquisition instructions that the brightness calibration module 301 is sent Afterwards, the collected brightness is sent to the brightness calibration module 301 by the brightness for acquiring display screen;
In one implements, the brightness calibration module 301 includes the first alignment unit 3011 and the second alignment unit 3012, Wherein:
First alignment unit 3011 is used for, and is sent brightness degree to the luminance adjustment module 302, is sent brightness and adopt Collection instruction receives the brightness that the brightness collecting device 300 is sent, receives the brightness tune to the brightness collecting device 300 Save the backlight lamp current value under the current brightness level that module 302 is sent;
Second alignment unit 3012 is used for, according to brightness degree be n when brightness of display screen LmWith backlight lamp current Value InAnd brightness degree be n-1 when brightness of display screen Ln-1With backlight lamp current value In-1, obtain I'n=In-(In-In-1)* (Ln-Bn)/(Ln-Ln-1) as brightness degree be n when backlight lamp current value, by I'nAnd its corresponding brightness degree is sent to The luminance adjustment module 302;N=1 ..., N, alternatively, brightness of display screen L when being m according to brightness degreemWith backlight electricity Flow valuve Im, and, brightness of display screen L when brightness degree is m-1m-1With backlight lamp current value Im-1, obtain I'm=Im-(Im- Im-1)*(Lm-Bm)/(Lm-Lm-1) backlight lamp current value when as brightness degree being m, the partial value in the m=1 ..., N; Use I'mIt carries out linear interpolation and obtains the backlight lamp current value I' under other brightness degreesj, in j=1 ..., N m be other Value;By I'm、I'jAnd its corresponding brightness degree is sent to the luminance adjustment module 302;
The luminance adjustment module 302 includes the first adjusting adjusting unit 3022 of unit 3021 and second, wherein:
The first adjusting unit 3021 is used for, and receives brightness degree, will backlight electricity corresponding with current brightness level Flow valuve is sent to the brightness calibration module 302;Each brightness degree corresponding backlight electricity when terminal display screen is not calibrated Flow valuve has been stored in terminal, therefore, can directly acquire backlight lamp current value.
The second adjusting unit 3022 is used for, and it is from described bright to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that degree calibration module receives.It should be noted that initial backlight lamp current value It still can save, shown using initial backlight lamp current value when without calibrating, when needing calibration using the back of the body after calibration Light lamp current value.
In another embodiment, as shown in figure 4, the brightness calibration module 301 includes third alignment unit 4011 and the Four alignment units 4012, wherein:
The third alignment unit 4011 is used for, and is sent brightness degree to the luminance adjustment module, is sent brightness acquisition It instructs and receives the brightness that the brightness collecting device is sent to the brightness collecting device, when the brightness non-present received is bright When spending the corresponding calibration brightness of grade, transmission brightness regulation is instructed to the luminance adjustment module;When the brightness received is to work as When the corresponding calibration brightness of preceding brightness degree, brightness regulation END instruction is sent to the luminance adjustment module, is recorded current Backlight lamp current value;
4th alignment unit 4012 is used for, the brightness degree that the first unit is obtained and corresponding backlight electricity Flow valuve is sent to the luminance adjustment module, alternatively, being carried out described in linear interpolation acquisition according to the backlight lamp current value recorded Other corresponding backlight lamp current values of calibration brightness in brightness set are calibrated, brightness degree and corresponding backlight lamp current value are sent out Give the luminance adjustment module;
The luminance adjustment module 302 includes the third adjusting adjusting unit 4022 of unit 4021 and the 4th, wherein:
The third adjusts unit 4021 and is used for, and receives brightness degree, after receiving brightness regulation instruction, adjusts backlight Electric current;After receiving brightness regulation END instruction, current backlight lamp current value is sent to the brightness calibration module;
The 4th adjusting unit 4022 is used for, and it is from described bright to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that degree calibration module 301 receives.
Brightness of display screen is directly adjusted to calibration brightness and preserves corresponding backlight electricity by scheme provided in this embodiment Flow valuve when subsequently being shown, is shown using the backlight lamp current value after calibration.
Embodiment three
The present embodiment provides a kind of screen intensity calibration systems, including brightness collecting device 501, brightness calibration module 502 (in the present embodiment be located at computer) and luminance adjustment module 503 (are located at double screen terminal) in the present embodiment, double screen terminal includes the One display screen and second display screen, wherein:
The brightness collecting device 501 is used for, and after receiving brightness acquisition instructions, acquires the brightness of display screen, will be described Brightness is sent to the brightness acquisition module 502;Wherein, the acquisition of brightness collecting device 501 double screen terminal display screen is shown white The brightness data of color picture.
The brightness calibration module 502 is used for, and after sending brightness degree to luminance adjustment module 503, sends acquisition brightness It instructs to brightness collecting device 501, receives the brightness that brightness collecting device is sent;
Brightness calibration module 502 is to the first display screen, brightness of display screen L when according to brightness degree being nmWith backlight electricity Flow valuve InAnd brightness degree be n-1 when brightness of display screen Ln-1With backlight lamp current value In-1, obtain I'n=In-(In- In-1)*(Ln-Bn)/(Ln-Ln-1) as the first display-screen brightness grading be n when backlight lamp current value, by I'nAnd its it is corresponding Brightness degree is sent to the luminance adjustment module 302;N=1 ..., N, to second display screen, when according to brightness degree being n Brightness of display screen LmWith backlight lamp current value InAnd brightness degree be n-1 when brightness of display screen Ln-1With backlight lamp current value In-1, obtain I'n=In-(In-In-1)*(Ln-Bn)/(Ln-Ln-1) as second display screen brightness degree be n when backlight electricity Flow valuve, by I'nAnd its corresponding brightness degree is sent to the luminance adjustment module 302;N=1 ..., N, by the first display screen I'nWith the I' of second display screennIt is sent to luminance adjustment module;
The luminance adjustment module 503 is used for according to brightness degree adjusting display brightness;Brightness calibration module is not received to carry When the backlight lamp current value of confession, using initial backlight lamp current value, after the backlight lamp current value that the offer of brightness calibration module is provided, The backlight current value adjustment brightness of display screen provided using brightness calibration module.
As shown in fig. 6, one embodiment of the invention provides screen intensity calibrating installation 60, including memory 610 and processor 620, the memory 610 has program stored therein, and described program executes following operation when reading execution by the processor 620:
Calibration brightness set is obtained, the calibration brightness set includes calibrating brightness correspondingly with brightness degree;
To each display screen to be calibrated, backlight corresponding with brightness is each calibrated in the calibration brightness set is determined Current value, it is the corresponding back of the body of the corresponding calibration brightness of the brightness degree to calibrate the corresponding backlight lamp current value of each brightness degree Light lamp current value.
In other embodiments, described program also realizes any embodiment institute when reading execution by the processor 620 The screen intensity calibration method stated.
One embodiment of the invention provides a kind of computer readable storage medium, and the computer-readable recording medium storage has One or more program, one or more of programs can be executed by one or more processor, to realize any reality Apply the screen intensity calibration method described in example.
The computer readable storage medium includes:It is USB flash disk, read-only memory (ROM, Read-Only Memory), random Access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can to store program The medium of code.
It will appreciated by the skilled person that whole or certain steps in method disclosed hereinabove, system, dress Function module/unit in setting may be implemented as software, firmware, hardware and its combination appropriate.In hardware embodiment, Division between the function module/unit referred in the above description not necessarily corresponds to the division of physical assemblies;For example, one Physical assemblies can have multiple functions or a function or step that can be executed by several physical assemblies cooperations.Certain groups Part or all components may be implemented as by processor, such as the software that digital signal processor or microprocessor execute, or by It is embodied as hardware, or is implemented as integrated circuit, such as application-specific integrated circuit.Such software can be distributed in computer-readable On medium, computer-readable medium may include computer storage media (or non-transitory medium) and communication media (or temporarily Property medium).As known to a person of ordinary skill in the art, term computer storage medium is included in for storing information (such as Computer-readable instruction, data structure, program module or other data) any method or technique in the volatibility implemented and non- Volatibility, removable and nonremovable medium.Computer storage media include but not limited to RAM, ROM, EEPROM, flash memory or its His memory technology, CD-ROM, digital versatile disc (DVD) or other optical disc storages, magnetic holder, tape, disk storage or other Magnetic memory apparatus or any other medium that can be used for storing desired information and can be accessed by a computer.This Outside, known to a person of ordinary skill in the art to be, communication media generally comprises computer-readable instruction, data structure, program mould Other data in the modulated data signal of block or such as carrier wave or other transmission mechanisms etc, and may include any information Delivery media.
Although disclosed herein embodiment it is as above, the content only for ease of understanding the present invention and use Embodiment is not limited to the present invention.Technical staff in any fields of the present invention is taken off not departing from the present invention Under the premise of the spirit and scope of dew, any modification and variation, but the present invention can be carried out in the form and details of implementation Scope of patent protection, still should be subject to the scope of the claims as defined in the appended claims.

Claims (10)

1. a kind of screen intensity calibration method, including:
Calibration brightness set is obtained, the calibration brightness set includes calibrating brightness correspondingly with brightness degree;
To each display screen to be calibrated, backlight lamp current corresponding with brightness is each calibrated in the calibration brightness set is determined Value, it is the corresponding backlight of the corresponding calibration brightness of the brightness degree to calibrate the corresponding backlight lamp current value of each brightness degree Current value.
2. screen intensity calibration method as described in claim 1, which is characterized in that the calibration brightness set waits for school by described When a display screen is not calibrated in accurate display screen, formed with the one-to-one original brightness of brightness degree, and the display The maximum brightness of screen is minimum;Alternatively, the calibration brightness in the calibration brightness set is preset value.
3. screen intensity calibration method as described in claim 1, which is characterized in that the determination and the calibration brightness set In each calibrate the corresponding backlight lamp current value of brightness and include:
Obtain brightness of display screen L when brightness degree is nmWith backlight lamp current value In, obtain display when brightness degree is n-1 Shield brightness Ln-1With backlight lamp current value In-1, by I'n=In-(In-In-1)*(Ln-Bn)/(Ln-Ln-1) as brightness degree be n when Backlight lamp current value, the BnFor the corresponding calibration brightness of brightness degree n in the calibration brightness set;N=1 ..., N
Alternatively, obtaining brightness of display screen L when brightness degree is mmWith backlight lamp current value Im, obtain when brightness degree is m-1 Brightness of display screen Lm-1With backlight lamp current value Im-1, by I'm=Im-(Im-Im-1)*(Lm-Bm)/(Lm-Lm-1) it is used as brightness degree For m when backlight lamp current value, the partial value in the m=1 ..., N;Use I'mIt carries out linear interpolation and obtains other brightness etc. Backlight lamp current value under grade.
4. screen intensity calibration method as described in claim 1, which is characterized in that the determination and the calibration brightness set In each calibrate the corresponding backlight lamp current value of brightness and include:
Backlight lamp current is adjusted, obtains brightness of display screen so that the brightness of display screen is respectively in the calibration brightness set Each calibration brightness, records backlight lamp current value corresponding with the calibration brightness;
Alternatively, adjusting backlight lamp current, brightness of display screen is obtained so that the brightness of display screen is respectively the calibration brightness set In multiple calibration brightness, record corresponding with calibration brightness backlight lamp current value;According to the backlight lamp current recorded Value carries out linear interpolation and obtains other corresponding backlight lamp current values of calibration brightness in the calibration brightness set.
5. the screen intensity calibration method as described in Claims 1-4 is any, which is characterized in that the brightness degree includes 255 Grade.
6. a kind of screen intensity calibrating installation, which is characterized in that including memory and processor, the memory is stored with journey Sequence, described program realize the screen intensity calibration as described in claim 1 to 5 is any when reading execution by the processor Method.
7. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage there are one or Multiple programs, one or more of programs can be executed by one or more processor, to realize such as claim 1 to 5 Any screen intensity calibration method.
8. a kind of screen intensity calibration system, including:Brightness calibration module, luminance adjustment module, wherein:
The brightness calibration module is used for, obtain calibration brightness set, the calibration brightness set include with brightness degree one by one Corresponding calibration brightness;To each display screen to be calibrated, determination is corresponding with brightness is each calibrated in the calibration brightness set Backlight lamp current value, the corresponding calibration brightness of the corresponding backlight lamp current value of each brightness degree i.e. brightness degree is corresponded to Backlight lamp current value be sent to the luminance adjustment module;
The luminance adjustment module is used for, and it is from the brightness calibration mould to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that block receives.
9. screen intensity calibration system as claimed in claim 8, which is characterized in that the screen intensity calibration system further includes Brightness collecting device, wherein:
The brightness collecting device is used for, after receiving the brightness acquisition instructions that the brightness calibration module is sent, acquisition display The collected brightness is sent to the brightness calibration module by the brightness of screen;
The brightness calibration module include the first alignment unit, the second alignment unit, wherein:
First alignment unit is used for, and is sent brightness degree to the luminance adjustment module, is sent brightness acquisition instructions to institute Brightness collecting device is stated, the brightness that the brightness collecting device is sent is received, receives the current of the luminance adjustment module transmission Backlight lamp current value under brightness degree;
Second alignment unit is used for, according to brightness degree be n when brightness of display screen LmWith backlight lamp current value In, and Brightness of display screen L when brightness degree is n-1n-1With backlight lamp current value In-1, obtain I'n=In-(In-In-1)*(Ln-Bn)/ (Ln-Ln-1) as brightness degree be n when backlight lamp current value, by I'nAnd its corresponding brightness degree is sent to the brightness Adjustment module;N=1 ..., N, alternatively, brightness of display screen L when being m according to brightness degreemWith backlight lamp current value Im, and, Brightness of display screen L when brightness degree is m-1m-1With backlight lamp current value Im-1, obtain I'm=Im-(Im-Im-1)*(Lm-Bm)/ (Lm-Lm-1) backlight lamp current value when as brightness degree being m, the partial value in the m=1 ..., N;Use I'mInto line Property interpolation obtains the backlight lamp current value I' under other brightness degreesj, m is in j=1 ..., N other values;By I'm、I'jAnd Its corresponding brightness degree is sent to the luminance adjustment module;
The luminance adjustment module adjusts unit and second including first and adjusts unit, wherein:
It is described first adjusting unit is used for, receive brightness degree, according to the brightness degree adjust display screen brightness, will with work as The corresponding backlight lamp current value of preceding brightness degree is sent to the brightness calibration module;
The second adjusting unit is used for, and it is from the brightness calibration mould to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that block receives.
10. screen intensity calibration system as claimed in claim 8, which is characterized in that the screen intensity calibration system is also wrapped Brightness collecting device is included, wherein:
The brightness collecting device is used for, after receiving the brightness acquisition instructions that the brightness calibration module is sent, acquisition display The collected brightness is sent to the brightness calibration module by the brightness of screen;
The brightness calibration module includes third alignment unit and the 4th alignment unit, wherein:
The third alignment unit is used for, and is sent brightness degree to the luminance adjustment module, is sent brightness acquisition instructions to institute Brightness collecting device is stated, the brightness that the brightness collecting device is sent is received, when the brightness non-present brightness degree pair received When the calibration brightness answered, sends brightness regulation and instruct to the luminance adjustment module;When the brightness received is present intensity etc. When the corresponding calibration brightness of grade, brightness regulation END instruction is sent to the luminance adjustment module, records current backlight electricity Flow valuve;
4th alignment unit is used for, and the brightness degree that the first unit is obtained and corresponding backlight lamp current value are sent To the luminance adjustment module, alternatively, carrying out linear interpolation according to the backlight lamp current value recorded obtains the calibration brightness Other corresponding backlight lamp current values of calibration brightness, brightness degree and corresponding backlight lamp current value are sent to described in set Luminance adjustment module;
The luminance adjustment module include third adjust unit and the 4th adjust unit, wherein:
The third adjusts unit and is used for, and receives brightness degree, and the brightness of display screen is adjusted according to the brightness degree, is received After the brightness regulation instruction, backlight lamp current is adjusted;After receiving the brightness regulation END instruction, by current backlight lamp electricity Flow valuve is sent to the brightness calibration module;
The 4th adjusting unit is used for, and it is from the brightness calibration mould to calibrate the corresponding backlight lamp current value of each brightness degree The corresponding backlight lamp current value of the brightness degree that block receives.
CN201810288678.2A 2018-03-30 2018-03-30 Screen intensity calibration method, apparatus and system, computer readable storage medium Withdrawn CN108648697A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810288678.2A CN108648697A (en) 2018-03-30 2018-03-30 Screen intensity calibration method, apparatus and system, computer readable storage medium
PCT/CN2019/076893 WO2019184660A1 (en) 2018-03-30 2019-03-04 Screen brightness calibration method, device and system, and computer-readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810288678.2A CN108648697A (en) 2018-03-30 2018-03-30 Screen intensity calibration method, apparatus and system, computer readable storage medium

Publications (1)

Publication Number Publication Date
CN108648697A true CN108648697A (en) 2018-10-12

Family

ID=63745540

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810288678.2A Withdrawn CN108648697A (en) 2018-03-30 2018-03-30 Screen intensity calibration method, apparatus and system, computer readable storage medium

Country Status (2)

Country Link
CN (1) CN108648697A (en)
WO (1) WO2019184660A1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109243378A (en) * 2018-10-25 2019-01-18 厦门美图移动科技有限公司 A kind of brightness calibration method, mobile terminal and storage medium
CN109976450A (en) * 2019-03-15 2019-07-05 Oppo广东移动通信有限公司 Screen calibration method, device, electronic device and storage medium
WO2019184660A1 (en) * 2018-03-30 2019-10-03 中兴通讯股份有限公司 Screen brightness calibration method, device and system, and computer-readable storage medium
CN111343321A (en) * 2020-02-28 2020-06-26 Oppo广东移动通信有限公司 Backlight brightness adjustment method and related products
CN112489601A (en) * 2020-12-10 2021-03-12 深圳市瀚达美电子有限公司 MiniLED backlight brightness adjusting method and system and backlight device
CN113556443A (en) * 2021-07-20 2021-10-26 北京星光影视设备科技股份有限公司 LED screen real-time correction method facing virtual playing environment and virtual playing system
CN114974170A (en) * 2022-06-29 2022-08-30 上海中航光电子有限公司 Correction method, device, device and display device for light sensor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113038662B (en) * 2019-12-09 2023-07-21 上海航空电器有限公司 Light guide plate indicator lamp brightness self-adaptive dimming system and method
CN112365427A (en) * 2020-11-25 2021-02-12 Oppo广东移动通信有限公司 Calibration method and device, terminal, calibration system and storage medium

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101707052A (en) * 2009-12-09 2010-05-12 安徽华东光电技术研究所 RGB-based method for adjusting white balance of LED backlight
CN102737603A (en) * 2012-06-26 2012-10-17 中兴通讯股份有限公司 Liquid crystal display (LCD) screen display method and device for display of LCD screen
CN102903345A (en) * 2012-10-11 2013-01-30 Tcl数码科技(深圳)有限责任公司 Method and device for adjusting brightness of liquid crystal splicing system
US20140204131A1 (en) * 2013-01-23 2014-07-24 Beijing Boe Display Technology Co., Ltd. Backlight adjustment method, backlight adjustment apparatus, and display screen
CN104703048A (en) * 2015-03-31 2015-06-10 北京奇艺世纪科技有限公司 Method and device for adjusting screen brightness
US20150287385A1 (en) * 2013-09-29 2015-10-08 Boe Technology Group Co., Ltd. Apparatus and method for improving display device and uneven display brightness
CN105049614A (en) * 2005-06-09 2015-11-11 三星电子株式会社 Portable terminal capable of controlling backlight and corresponding method
CN107845369A (en) * 2017-11-17 2018-03-27 苏州华兴源创电子科技有限公司 A kind of dynamic adjusting method and system of LED backlight brightness

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8111222B2 (en) * 2002-11-21 2012-02-07 Koninklijke Philips Electronics N.V. Method of improving the output uniformity of a display device
CN106662484B (en) * 2015-04-24 2019-04-26 华为技术有限公司 Optical camera brightness detection value and chromaticity detection value calibration method and device
CN107039007A (en) * 2017-06-19 2017-08-11 深圳天珑无线科技有限公司 A kind of method and device of backlight illumination adjustment
CN108648697A (en) * 2018-03-30 2018-10-12 中兴通讯股份有限公司 Screen intensity calibration method, apparatus and system, computer readable storage medium

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105049614A (en) * 2005-06-09 2015-11-11 三星电子株式会社 Portable terminal capable of controlling backlight and corresponding method
CN101707052A (en) * 2009-12-09 2010-05-12 安徽华东光电技术研究所 RGB-based method for adjusting white balance of LED backlight
CN102737603A (en) * 2012-06-26 2012-10-17 中兴通讯股份有限公司 Liquid crystal display (LCD) screen display method and device for display of LCD screen
CN102903345A (en) * 2012-10-11 2013-01-30 Tcl数码科技(深圳)有限责任公司 Method and device for adjusting brightness of liquid crystal splicing system
US20140204131A1 (en) * 2013-01-23 2014-07-24 Beijing Boe Display Technology Co., Ltd. Backlight adjustment method, backlight adjustment apparatus, and display screen
US20150287385A1 (en) * 2013-09-29 2015-10-08 Boe Technology Group Co., Ltd. Apparatus and method for improving display device and uneven display brightness
CN104703048A (en) * 2015-03-31 2015-06-10 北京奇艺世纪科技有限公司 Method and device for adjusting screen brightness
CN107845369A (en) * 2017-11-17 2018-03-27 苏州华兴源创电子科技有限公司 A kind of dynamic adjusting method and system of LED backlight brightness

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019184660A1 (en) * 2018-03-30 2019-10-03 中兴通讯股份有限公司 Screen brightness calibration method, device and system, and computer-readable storage medium
CN109243378A (en) * 2018-10-25 2019-01-18 厦门美图移动科技有限公司 A kind of brightness calibration method, mobile terminal and storage medium
CN109976450A (en) * 2019-03-15 2019-07-05 Oppo广东移动通信有限公司 Screen calibration method, device, electronic device and storage medium
CN111343321A (en) * 2020-02-28 2020-06-26 Oppo广东移动通信有限公司 Backlight brightness adjustment method and related products
CN112489601A (en) * 2020-12-10 2021-03-12 深圳市瀚达美电子有限公司 MiniLED backlight brightness adjusting method and system and backlight device
CN113556443A (en) * 2021-07-20 2021-10-26 北京星光影视设备科技股份有限公司 LED screen real-time correction method facing virtual playing environment and virtual playing system
CN114974170A (en) * 2022-06-29 2022-08-30 上海中航光电子有限公司 Correction method, device, device and display device for light sensor

Also Published As

Publication number Publication date
WO2019184660A1 (en) 2019-10-03

Similar Documents

Publication Publication Date Title
CN108648697A (en) Screen intensity calibration method, apparatus and system, computer readable storage medium
CN105161064B (en) Liquid crystal display brightness control method and device and liquid crystal display
CN101189654B (en) Image display device and method
US10056042B2 (en) Metadata filtering for display mapping for high dynamic range images
US9318038B2 (en) Color control method and communication apparatus
KR101446364B1 (en) Method, apparatus and system for providing color grading for display
US9324278B2 (en) Ambient black level
US11244655B2 (en) Method and electronic device for modulating brightness-grayscale curve of display device
CN108470548A (en) A kind of liquid crystal display device and its control method, head-mounted display apparatus, medium
CN111163349B (en) Image quality parameter adjusting method, device, equipment and readable storage medium
US9087385B2 (en) Method for improving images captured underwater
CN101621705A (en) Method and apparatus for automatic white balance
CN113424550A (en) Display management with ambient light compensation
CN101281731A (en) Liquid crystal display method
CN104680962A (en) Method, device and system for testing optical characteristics of display module
JP2012517622A (en) Signal generation for LED / LCD based high dynamic range display
CN104346057A (en) Background color adjusting method and background color adjusting device
US20240347021A1 (en) Image quality adjusting method and assembly, display system and computer readable medium
CN114730548B (en) Method and device for adjusting white balance of spliced screen, electronic equipment and medium
US9520076B2 (en) Method and system for adjusting white balance, method for making liquid crystal display
CN108022545A (en) Display screen light-dimming method, device, storage medium and electronic equipment
CN113497954B (en) Video toning method, device and storage medium
CN110379379A (en) A kind of backlight driving method and device, display device and storage medium
CN109147708A (en) Gamma value adjusting method and device of display panel and display equipment
CN105959593A (en) Exposure method for camera device and camera device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181012