WO2018094812A1 - 调节液晶显示装置屏幕背光亮度的方法及装置 - Google Patents
调节液晶显示装置屏幕背光亮度的方法及装置 Download PDFInfo
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- WO2018094812A1 WO2018094812A1 PCT/CN2016/112859 CN2016112859W WO2018094812A1 WO 2018094812 A1 WO2018094812 A1 WO 2018094812A1 CN 2016112859 W CN2016112859 W CN 2016112859W WO 2018094812 A1 WO2018094812 A1 WO 2018094812A1
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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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
Definitions
- the present invention relates to the field of brightness adjustment technology of liquid crystal displays, and more particularly to a method and apparatus for adjusting the brightness of a screen backlight of a liquid crystal display device.
- the backlight module must ensure higher uniformity of the backlight of the entire screen.
- the backlight source is mainly from incandescent bulbs, electro-optic panels (ELP), light-emitting diodes (LEDs), cold cathode fluorescent tubes (CCFLs), etc. These sources are mostly non-uniform light sources.
- ELP electro-optic panels
- LEDs light-emitting diodes
- CCFLs cold cathode fluorescent tubes
- the backlight module uses a diffuser to A relatively uniform source of light is obtained in these uneven sources.
- the uniformity of the backlight is more difficult to be secured.
- a certain block will be brighter and a certain block will be darker.
- the reason for these phenomena may be that the number of backlight modules increases with the number of productions, and some modules will have differences between them. This difference causes the backlight uniformity between TVs to be different. At present, it is difficult to solve the problem of uneven illumination of the smart home of the large panel through the diffuser.
- the main object of the present invention is to provide a method and apparatus for adjusting the brightness of a screen backlight of a liquid crystal display device, and aim to solve the technical problem that it is difficult to solve the problem of uneven illumination of a smart home of a large panel by a diffuser.
- the present invention provides a method of adjusting the brightness of a screen backlight of a liquid crystal display device, the method comprising the steps of:
- the liquid crystal display device screen receives, by the brightness sensor, the liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen;
- the backlight brightness data of the liquid crystal display device screen is adjusted correspondingly by the brightness compensation data.
- the backlight brightness data corresponding to each coordinate point in the coordinate graph is sorted in ascending order to obtain screen backlight brightness standard data, and the screen backlight brightness standard data and each coordinate point in the coordinate graph are calculated.
- the steps of the brightness compensation data of the corresponding backlight brightness data include:
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data to obtain corresponding brightness compensation data.
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data, and the step of obtaining corresponding brightness compensation data includes:
- the corresponding brightness compensation data is less than or equal to the preset data, the corresponding brightness compensation data is ignored.
- the method further includes:
- the backlight brightness data of the picture is acquired before the screen is replaced;
- the present invention also provides a method for adjusting the brightness of a screen backlight of a liquid crystal display device, the method comprising the following steps:
- the liquid crystal display device screen receives, by the brightness sensor, the liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen;
- the backlight brightness data of the liquid crystal display device screen is adjusted correspondingly by the brightness compensation data.
- the step of selecting the screen backlight brightness standard data, and calculating the brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map of the screen backlight brightness standard data includes:
- the backlight luminance data corresponding to each coordinate point in the coordinate graph is sequentially compared, and the maximum backlight luminance data in the backlight luminance data corresponding to each coordinate point in the coordinate graph is acquired;
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data to obtain corresponding brightness compensation data.
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data, and the step of obtaining corresponding brightness compensation data includes:
- the corresponding brightness compensation data is less than or equal to the preset data, the corresponding brightness compensation data is ignored.
- the step of adjusting, by the brightness compensation data, the backlight brightness data of the liquid crystal display device screen comprises:
- the brightness compensation data is added to the backlight brightness data of the corresponding coordinate point.
- the method further comprises:
- the backlight brightness data of the picture is acquired before the screen is replaced;
- the present invention further provides an apparatus for adjusting brightness of a screen backlight of a liquid crystal display device, the apparatus comprising:
- a receiving module configured to receive screen backlight brightness data of the liquid crystal display device obtained by scanning the liquid crystal display device screen from the brightness sensor;
- Establishing a module configured to establish a coordinate map according to the screen size of the liquid crystal display device and the backlight brightness data of the liquid crystal display device, where the coordinate map includes backlight brightness data corresponding to each coordinate point;
- a calculation module configured to select screen backlight brightness standard data, and calculate brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate data of the screen backlight brightness standard data;
- the first adjustment module is configured to adjust backlight brightness data of the liquid crystal display device screen correspondingly by the brightness compensation data.
- the calculating module includes:
- a comparison unit configured to sequentially compare backlight brightness data corresponding to each coordinate point in the coordinate map, and obtain maximum backlight brightness data in backlight brightness data corresponding to each coordinate point in the coordinate map;
- a selecting unit configured to select the maximum backlight brightness data as screen backlight brightness standard data
- a subtraction unit configured to sequentially subtract the backlight luminance data corresponding to each coordinate point in the coordinate map, and obtain corresponding brightness compensation data.
- the subtracting unit includes:
- a comparing unit configured to compare the corresponding brightness compensation data with preset data
- a saving unit configured to save the corresponding brightness compensation data if the corresponding brightness compensation data is greater than the preset data
- the ignoring unit is configured to ignore the corresponding brightness compensation data if the corresponding brightness compensation data is less than or equal to the preset data.
- the first adjustment module includes:
- An acquiring unit configured to acquire backlight brightness data corresponding to the coordinate point of the brightness compensation data
- an adding unit configured to add the brightness compensation data to backlight brightness data of a corresponding coordinate point.
- the device further includes:
- a generating module configured to generate and save a brightness compensation data coordinate graph based on backlight brightness data when the backlight brightness data of the liquid crystal display device screen is consistent;
- An acquiring module configured to acquire backlight brightness data of the screen before the screen is replaced during the playing process
- the second adjustment module is configured to adjust backlight brightness data of the picture according to the brightness compensation data coordinate map based on the backlight brightness data.
- the present invention receives screen brightness data of a liquid crystal display device obtained by scanning a screen of a liquid crystal display device from a brightness sensor; and establishing a coordinate map based on a screen size of the liquid crystal display device and brightness of the screen backlight of the liquid crystal display device, the coordinates
- the figure includes backlight brightness data corresponding to each coordinate point; selecting screen backlight brightness standard data, and calculating brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map of the screen backlight brightness standard data;
- the compensation data corresponds to adjusting the backlight brightness data of the liquid crystal display device screen.
- the liquid crystal display device screen backlight luminance data obtained by scanning the liquid crystal display device screen from the brightness sensor is received by software in the liquid crystal display device; based on the liquid crystal display device screen size and the liquid crystal display device screen backlight
- the brightness data is used to establish a coordinate map, the coordinate map includes backlight brightness data corresponding to each coordinate point; and the screen backlight brightness standard data is selected, and the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated.
- the brightness compensation data is adjusted by the brightness compensation data to adjust the backlight brightness data of the liquid crystal display device screen so that the backlight uniformity of the liquid crystal display device screen is uniform.
- FIG. 1 is a schematic flow chart of a first embodiment of a method for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention
- FIG. 2 is a step of the step of selecting the screen backlight brightness standard data of FIG. 1 and calculating the brightness compensation data of the backlight brightness data in the backlight brightness data table corresponding to the screen backlight brightness standard data and the liquid crystal display device brightness coordinate table.
- FIG. 3 is another step of the step of selecting screen backlight brightness standard data of FIG. 1 and calculating brightness compensation data of backlight brightness data in the backlight brightness data table corresponding to the screen backlight brightness standard data and the liquid crystal display screen brightness coordinate Refine the schematic diagram of the process;
- FIG. 4 is a schematic flow chart showing the steps of adjusting the backlight luminance data of the screen of the liquid crystal display device by the brightness compensation data in FIG. 1;
- FIG. 5 is a schematic flow chart of a second embodiment of a method for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention.
- FIG. 6 is a schematic diagram of functional modules of a first embodiment of an apparatus for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention
- FIG. 7 is a schematic diagram of a refinement function module of the calculation module of FIG. 6;
- FIG. 8 is a schematic diagram of another refinement function module of the calculation module of FIG. 6;
- FIG. 9 is a schematic diagram of a refinement function module of the first adjustment module of FIG. 6;
- FIG. 10 is a schematic diagram of functional modules of a second embodiment of an apparatus for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention.
- the present invention provides a method of adjusting the brightness of a screen backlight of a liquid crystal display device.
- FIG. 1 is a schematic flow chart of a first embodiment of a method for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention.
- the method comprises:
- Step S100 receiving liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen from the brightness sensor.
- the backlight of the liquid crystal display device to be corrected needs to be adjusted to the minimum brightness, and the liquid crystal display device displays a black screen, and then the brightness sensor and the liquid crystal display are displayed.
- Device connection in order to ensure that the embodiment can be implemented normally, before the implementation of the embodiment, the backlight of the liquid crystal display device to be corrected needs to be adjusted to the minimum brightness, and the liquid crystal display device displays a black screen, and then the brightness sensor and the liquid crystal display are displayed.
- the liquid crystal display device turns on the backlight correction function according to the user-initiated turn-on command, and enters the backlight correction mode.
- the brightness sensor scans the entire screen of the liquid crystal display device to obtain the liquid crystal display device screen backlight brightness data, and transmits the liquid crystal display device screen backlight brightness data to the liquid crystal display device.
- the liquid crystal display device receives the liquid crystal display device screen backlight brightness data.
- Step S200 establishing a coordinate map based on the screen size of the liquid crystal display device and the screen backlight brightness data of the liquid crystal display device, where the coordinate map includes backlight brightness data corresponding to each coordinate point.
- the liquid crystal display device After receiving the backlight brightness data of the liquid crystal display device, the liquid crystal display device establishes a coordinate map by software based on the screen size of the liquid crystal display device and the backlight brightness data of the liquid crystal display device, wherein the coordinate map includes each coordinate point. Corresponding backlight brightness data. Specifically, a coordinate map matching the screen size of the liquid crystal display device is established by software, and then the backlight brightness data corresponding to each coordinate is marked into the coordinate map according to the screen backlight brightness data of the liquid crystal display device, such as coordinates (1, 2). The backlight brightness data is 10, and the point corresponding to the coordinates (1, 2) is 10 .
- Step S300 Select screen backlight brightness standard data, and calculate brightness compensation data of the backlight brightness data corresponding to each coordinate point in the screen backlight brightness standard data.
- the backlight brightness data in the coordinate map is selected as the screen backlight brightness standard data, and the brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated.
- the backlight brightness data corresponding to each coordinate point in the coordinate map may be sequentially subtracted from the screen backlight brightness standard data to obtain corresponding brightness compensation data.
- Step S400 adjusting backlight brightness data of the liquid crystal display device screen correspondingly by the brightness compensation data.
- the backlight brightness data of the liquid crystal display device screen is adjusted correspondingly according to the brightness compensation data. Thereby, the backlight luminance data of each place of the liquid crystal display device screen is the same.
- the liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen from the brightness sensor is received; and the coordinate map is established based on the liquid crystal display device screen size and the liquid crystal display device screen backlight brightness data,
- the coordinate map includes backlight brightness data corresponding to each coordinate point; the screen backlight brightness standard data is selected, and brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated;
- the brightness compensation data corresponds to adjusting the backlight brightness data of the screen of the liquid crystal display device.
- the liquid crystal display device screen backlight luminance data obtained by scanning the liquid crystal display device screen from the brightness sensor is received by software in the liquid crystal display device; based on the liquid crystal display device screen size and the liquid crystal display device screen backlight
- the brightness data is used to establish a coordinate map, the coordinate map includes backlight brightness data corresponding to each coordinate point; and the screen backlight brightness standard data is selected, and the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated.
- the brightness compensation data is adjusted by the brightness compensation data to adjust the backlight brightness data of the liquid crystal display device screen so that the backlight uniformity of the liquid crystal display device screen is uniform.
- FIG. 2 is a step of calculating brightness compensation data of backlight brightness data corresponding to each coordinate point in the coordinate data of the screen backlight brightness standard data in FIG. A detailed process diagram.
- the step S300 may include:
- Step S310 sequentially comparing the backlight luminance data corresponding to each coordinate point in the coordinate map, and acquiring maximum backlight luminance data in the backlight luminance data corresponding to each coordinate point in the coordinate graph;
- Step S320 selecting the maximum backlight brightness data as screen backlight brightness standard data
- Step S330 sequentially subtracting the backlight brightness data corresponding to each coordinate point in the coordinate map of the screen backlight brightness standard data to obtain corresponding brightness compensation data.
- the method for selecting the screen backlight brightness standard data may sequentially compare the backlight brightness data corresponding to each coordinate point in the coordinate map, and obtain the backlight brightness data corresponding to each coordinate point in the coordinate map.
- the maximum backlight brightness data is then selected as the screen backlight brightness standard data.
- the backlight luminance data corresponding to each coordinate point in the coordinate graph may be sorted in ascending order, and the maximum backlight luminance data in the backlight luminance data corresponding to each coordinate point in the coordinate graph may be acquired.
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data, and the brightness compensation data corresponding to each coordinate is obtained.
- FIG. 3 is a screen backlight brightness standard data of FIG. 1 , and calculating brightness of backlight brightness data in a backlight brightness data table corresponding to the screen backlight brightness standard data and the liquid crystal display screen brightness coordinate. Another refinement flow diagram of the steps of compensating data.
- the step S300 may further include:
- Step S340 comparing the corresponding brightness compensation data with preset data
- Step S350 if the corresponding brightness compensation data is greater than the preset data, save the corresponding brightness compensation data;
- Step S360 If the corresponding brightness compensation data is less than or equal to the preset data, the corresponding brightness compensation data is ignored.
- the corresponding brightness compensation data may be compared with the preset data, where the preset data is generally zero, and the specific data may be taken according to the uniform requirement of the backlight required by the user. If the corresponding brightness compensation data is greater than the preset data, it is determined that the coordinate brightness data corresponding to the corresponding brightness compensation data and the standard brightness data are not within the preset range of the user, and the corresponding brightness compensation data is needed. Save and feedback for adjustment. If the corresponding brightness compensation data is less than or equal to the preset data, if the coordinate brightness data corresponding to the corresponding brightness compensation data and the standard brightness data are within a preset range of the user, the corresponding brightness may be ignored. Compensation data.
- FIG. 4 is a refinement flow diagram of the steps of adjusting backlight luminance data of the screen of the liquid crystal display device by the brightness compensation data in FIG.
- the step S400 may include:
- Step S410 acquiring backlight brightness data corresponding to the coordinate point of the brightness compensation data
- Step S420 adding the brightness compensation data to the backlight brightness data of the corresponding coordinate point.
- the specific implementation method for adjusting the backlight brightness data of the screen of the liquid crystal display device by using the brightness compensation data may be: first acquiring backlight brightness data corresponding to the coordinate point of the brightness compensation data, and then using the brightness The compensation data is added to the backlight luminance data of the corresponding coordinate point. Makes the backlight brightness data for each position in the screen consistent.
- FIG. 5 is a schematic flow chart of a second embodiment of a method for adjusting the brightness of a screen backlight of a liquid crystal display device according to the present invention.
- the first embodiment of the method for adjusting the brightness of the screen backlight of the liquid crystal display device according to the present invention further includes:
- Step S500 when the backlight brightness data of the liquid crystal display device screen is consistent, generating and storing a brightness compensation data coordinate map based on the backlight brightness data;
- Step S600 acquiring, during the playing process, backlight brightness data of the screen before the screen is replaced;
- Step S700 adjusting backlight brightness data of the picture according to the brightness compensation data coordinate map based on the backlight brightness data.
- the backlight brightness data of the liquid crystal display device screen is consistent at this time, and the brightness compensation data coordinate map based on the backlight brightness data is generated by software control, and then the brightness compensation data is generated.
- the graph is saved.
- the backlight brightness data of the screen to be played by the user is first acquired.
- the backlight luminance data of the picture is then adjusted according to the brightness compensation data coordinate map based on the backlight brightness data.
- the brightness compensation data coordinate map based on the backlight brightness data is generated and saved; during the playing process, the backlight brightness data of the picture is acquired before the screen is replaced; Adjusting backlight brightness data of the picture according to the brightness compensation data coordinate map based on the backlight brightness data.
- the backlight brightness of the screen of the liquid crystal display device can be quickly adjusted, so that the backlight brightness of each position of the liquid crystal display device screen is uniform.
- the present invention further provides an apparatus for adjusting the brightness of a screen backlight of a liquid crystal display device.
- FIG. 6 is a schematic diagram of functional modules of a first embodiment of an apparatus for adjusting brightness of a screen backlight of a liquid crystal display device according to the present invention.
- the apparatus comprises:
- the receiving module 100 is configured to receive liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen from the brightness sensor.
- the backlight of the liquid crystal display device to be corrected needs to be adjusted to the minimum brightness, and the liquid crystal display device displays a black screen, and then the brightness sensor and the liquid crystal display are displayed.
- Device connection in order to ensure that the embodiment can be implemented normally, before the implementation of the embodiment, the backlight of the liquid crystal display device to be corrected needs to be adjusted to the minimum brightness, and the liquid crystal display device displays a black screen, and then the brightness sensor and the liquid crystal display are displayed.
- the liquid crystal display device turns on the backlight correction function according to the user-initiated turn-on command, and enters the backlight correction mode.
- the brightness sensor scans the entire screen of the liquid crystal display device to obtain the liquid crystal display device screen backlight brightness data, and transmits the liquid crystal display device screen backlight brightness data to the liquid crystal display device.
- the liquid crystal display device receives the liquid crystal display device screen backlight brightness data.
- the establishing module 200 is configured to establish a coordinate map based on the screen size of the liquid crystal display device and the screen backlight brightness data of the liquid crystal display device, where the coordinate map includes backlight brightness data corresponding to each coordinate point.
- the liquid crystal display device After receiving the backlight brightness data of the liquid crystal display device, the liquid crystal display device establishes a coordinate map by software based on the screen size of the liquid crystal display device and the backlight brightness data of the liquid crystal display device, wherein the coordinate map includes each coordinate point. Corresponding backlight brightness data. Specifically, a coordinate map matching the screen size of the liquid crystal display device is established by software, and then the backlight brightness data corresponding to each coordinate is marked into the coordinate map according to the screen backlight brightness data of the liquid crystal display device, such as coordinates (1, 2). The backlight brightness data is 10, and the point corresponding to the coordinates (1, 2) is 10 .
- the calculation module 300 is configured to select screen backlight brightness standard data, and calculate brightness compensation data of the backlight brightness data corresponding to each coordinate point in the screen backlight brightness standard data.
- the backlight brightness data in the coordinate map is selected as the screen backlight brightness standard data, and the brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated.
- the backlight brightness data corresponding to each coordinate point in the coordinate map may be sequentially subtracted from the screen backlight brightness standard data to obtain corresponding brightness compensation data.
- the first adjustment module 400 is configured to adjust backlight brightness data of the liquid crystal display device screen correspondingly by the brightness compensation data.
- the backlight brightness data of the liquid crystal display device screen is adjusted correspondingly according to the brightness compensation data. Thereby, the backlight luminance data of each place of the liquid crystal display device screen is the same.
- the liquid crystal display device screen backlight brightness data obtained by scanning the liquid crystal display device screen from the brightness sensor is received; and the coordinate map is established based on the liquid crystal display device screen size and the liquid crystal display device screen backlight brightness data,
- the coordinate map includes backlight brightness data corresponding to each coordinate point; the screen backlight brightness standard data is selected, and brightness compensation data of the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated;
- the brightness compensation data corresponds to adjusting the backlight brightness data of the screen of the liquid crystal display device.
- the liquid crystal display device screen backlight luminance data obtained by scanning the liquid crystal display device screen from the brightness sensor is received by software in the liquid crystal display device; based on the liquid crystal display device screen size and the liquid crystal display device screen backlight
- the brightness data is used to establish a coordinate map, the coordinate map includes backlight brightness data corresponding to each coordinate point; and the screen backlight brightness standard data is selected, and the backlight brightness data corresponding to each coordinate point in the coordinate map is calculated.
- the brightness compensation data is adjusted by the brightness compensation data to adjust the backlight brightness data of the liquid crystal display device screen so that the backlight uniformity of the liquid crystal display device screen is uniform.
- FIG. 7 is a schematic diagram of a refinement function module of the computing module of FIG. 6.
- the calculating module 300 may include:
- the comparing unit 310 sequentially compares the backlight brightness data corresponding to each coordinate point in the coordinate map, and obtains the maximum backlight brightness data in the backlight brightness data corresponding to each coordinate point in the coordinate graph;
- the selecting unit 320 is configured to select the maximum backlight brightness data as screen backlight brightness standard data
- the subtraction unit 330 sequentially subtracts the backlight luminance data corresponding to each coordinate point in the coordinate map from the screen backlight luminance standard data to obtain corresponding luminance compensation data.
- the method for selecting the screen backlight brightness standard data may sequentially compare the backlight brightness data corresponding to each coordinate point in the coordinate map, and obtain the backlight brightness data corresponding to each coordinate point in the coordinate map.
- the maximum backlight brightness data is then selected as the screen backlight brightness standard data.
- the backlight luminance data corresponding to each coordinate point in the coordinate graph may be sorted in ascending order, and the maximum backlight luminance data in the backlight luminance data corresponding to each coordinate point in the coordinate graph may be acquired.
- the backlight brightness data corresponding to each coordinate point in the coordinate map is sequentially subtracted from the screen backlight brightness standard data, and the brightness compensation data corresponding to each coordinate is obtained.
- FIG. 8 is a schematic diagram of another refinement function module of the computing module of FIG.
- the calculating module 300 may further include:
- the comparing unit 340 is configured to compare the corresponding brightness compensation data with preset data
- the saving unit 350 is configured to save the corresponding brightness compensation data if the corresponding brightness compensation data is greater than the preset data
- the ignoring unit 360 is configured to ignore the corresponding brightness compensation data if the corresponding brightness compensation data is less than or equal to the preset data.
- the corresponding brightness compensation data may be compared with the preset data, where the preset data is generally zero, and the specific data may be taken according to the uniform requirement of the backlight required by the user. If the corresponding brightness compensation data is greater than the preset data, it is determined that the coordinate brightness data corresponding to the corresponding brightness compensation data and the standard brightness data are not within the preset range of the user, and the corresponding brightness compensation data is needed. Save and feedback for adjustment. If the corresponding brightness compensation data is less than or equal to the preset data, if the coordinate brightness data corresponding to the corresponding brightness compensation data and the standard brightness data are within a preset range of the user, the corresponding brightness may be ignored. Compensation data.
- FIG. 9 is a schematic diagram of a refinement function module of the first adjustment module in FIG.
- the first adjustment module 400 may include:
- the acquiring unit 410 is configured to acquire backlight brightness data corresponding to the coordinate point of the brightness compensation data
- the adding unit 420 is configured to add the brightness compensation data to the backlight brightness data of the corresponding coordinate point.
- the specific implementation method for adjusting the backlight brightness data of the screen of the liquid crystal display device by using the brightness compensation data may be: first acquiring backlight brightness data corresponding to the coordinate point of the brightness compensation data, and then using the brightness The compensation data is added to the backlight luminance data of the corresponding coordinate point. Makes the backlight brightness data for each position in the screen consistent.
- FIG. 10 is a schematic diagram of functional modules of a second embodiment of an apparatus for adjusting the brightness of a screen backlight of a liquid crystal display device according to the present invention.
- a first embodiment of the apparatus for adjusting the brightness of a screen backlight of a liquid crystal display device according to the present invention further comprising:
- the generating module 500 is configured to generate and save a brightness compensation data coordinate map based on the backlight brightness data when the backlight brightness data of the liquid crystal display device screen is consistent;
- the obtaining module 600 is configured to acquire backlight brightness data of the screen before the screen is replaced during the playing process;
- the second adjustment module 700 is configured to adjust backlight brightness data of the picture according to the brightness compensation data coordinate map based on the backlight brightness data.
- the backlight brightness data of the liquid crystal display device screen is consistent at this time, and the brightness compensation data coordinate map based on the backlight brightness data is generated by software control, and then the brightness compensation data is generated.
- the graph is saved.
- the backlight brightness data of the screen to be played by the user is first acquired.
- the backlight luminance data of the picture is then adjusted according to the brightness compensation data coordinate map based on the backlight brightness data.
- the brightness compensation data coordinate map based on the backlight brightness data is generated and saved; during the playing process, the backlight brightness data of the picture is acquired before the screen is replaced; Adjusting backlight brightness data of the picture according to the brightness compensation data coordinate map based on the backlight brightness data.
- the backlight brightness of the screen of the liquid crystal display device can be quickly adjusted, so that the backlight brightness of each position of the liquid crystal display device screen is uniform.
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Abstract
一种调节液晶显示装置屏幕背光亮度的装置，以及一种调节液晶显示装置屏幕背光亮度的方法。该方法包括：接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据（S100）；基于液晶显示装置屏幕尺寸大小及液晶显示装置屏幕背光亮度数据建立坐标图，坐标图包括各个坐标点对应的背光亮度数据（S200）；选取屏幕背光亮度标准数据，计算屏幕背光亮度标准数据与坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据（S300）；通过亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据（S400）。该方法能够使得液晶显示装置屏幕背光亮度一致。
Description
技术领域
本发明涉及液晶显示器亮度调整技术领域，尤其涉及一种调节液晶显示装置屏幕背光亮度的方法及装置。
背景技术
随着液晶电视面板的尺寸逐渐增大，这对背光模组要保证整屏的背光均匀提出了更高的要求。背光的光源主要来源于白炽灯泡、电光面板(ELP)、发光二极管(LED)、冷阴极荧光灯管(CCFL)等，这些发光源多是不均匀的光源，通常背光模组会使用散光器来从这些不均匀光源中得到比较均匀的光源。但当面板尺寸越大后，背光的均匀程度就越难得到保障，通常会出现某一块会亮一些，某一块又暗一些的现象。导致这些现象的原因可能会是背光模组随着生产数量的增加，有些模组之间就会出现差异，这样的差异导致了各个电视之间的背光均匀程度不一样。目前通过散光器难以解决大面板的智能家居背光不均匀的问题。
发明内容
本发明的主要目的在于提出一种调节液晶显示装置屏幕背光亮度的方法及装置，旨在解决通过散光器难以解决大面板的智能家居背光不均匀的问题的技术问题。
为实现上述目的，本发明提供一种调节液晶显示装置屏幕背光亮度的方法，所述方法包括以下步骤：
接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；
基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；
将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获得屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；
通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
可选地，所述将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获得屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据的步骤包括：
将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；
将所述最大背光亮度数据选取为屏幕背光亮度标准数据；
将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
可选地，所述将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据的步骤之后包括：
将所述对应的亮度补偿数据与预设数据进行对比；
若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；
若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
可选地，所述将所述亮度补偿数据与对应坐标点的背光亮度数据相加的步骤之后还包括：
当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；
在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；
根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
进一步地，本发明还提供一种调节液晶显示装置屏幕背光亮度的方法，所述方法包括以下步骤：
接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；
基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；
选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；
通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
可选地，所述选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据的步骤包括：
将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；
将所述最大背光亮度数据选取为屏幕背光亮度标准数据；
将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
可选地，所述将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据的步骤之后包括：
将所述对应的亮度补偿数据与预设数据进行对比；
若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；
若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
可选地，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤包括：
获取与所述亮度补偿数据对应坐标点的背光亮度数据；
将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
可选地，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤之后还包括：
当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；
在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；
根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
此外，为实现上述目的，本发明还提供一种调节液晶显示装置屏幕背光亮度的装置，所述装置包括：
接收模块，用于接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；
建立模块，用于基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；
计算模块，用于选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；
第一调节模块，用于通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
可选地，所述计算模块包括：
比较单元，用于将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；
选取单元，用于将所述最大背光亮度数据选取为屏幕背光亮度标准数据；
相减单元，用于将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
可选地，所述相减单元包括：
对比单元，用于将所述对应的亮度补偿数据与预设数据进行对比；
保存单元，用于若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；
忽略单元，用于若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
可选地，所述第一调节模块包括：
获取单元，用于获取与所述亮度补偿数据对应坐标点的背光亮度数据；
相加单元，用于将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
可选地，所述装置还包括：
生成模块，用于当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；
获取模块，用于在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；
第二调节模块，用于根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
本发明通过接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。通过上述方式，首先通过液晶显示装置中的软件接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据，使得液晶显示装置屏幕的背光均匀程度一致。
附图说明
图1为本发明调节液晶显示装置屏幕背光亮度的方法第一实施例流程示意图；
图2为图1中选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述液晶显示装置屏幕亮度坐标对应的背光亮度数据表格中的背光亮度数据的亮度补偿数据的步骤的一细化流程示意图；
图3为图1中选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述液晶显示装置屏幕亮度坐标对应的背光亮度数据表格中的背光亮度数据的亮度补偿数据的步骤的另一细化流程示意图；
图4为图1中通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤的细化流程示意图；
图5为本发明调节液晶显示装置屏幕背光亮度的方法第二实施例流程示意图；
图6为本发明调节液晶显示装置屏幕背光亮度的装置第一实施例的功能模块示意图；
图7为图6中计算模块的一细化功能模块示意图；
图8为图6中计算模块的另一细化功能模块示意图；
图9为图6中第一调节模块的细化功能模块示意图；
图10为本发明调节液晶显示装置屏幕背光亮度的装置第二实施例的功能模块示意图。
本发明目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。
本发明提供一种调节液晶显示装置屏幕背光亮度的方法。
参照图1，图1为本发明调节液晶显示装置屏幕背光亮度的方法第一实施例的流程示意图。
在一实施例中，该方法包括：
步骤S100，接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据。
在本实施例中，为保证本实施例能够正常实施，在实施本实施例之前，需要将待校正液晶显示装置背光调整至最低亮度，让液晶显示装置显示黑色画面，然后将亮度传感器与液晶显示装置连接。
液晶显示装置根据用户触发的开启指令开启背光校正功能，进入背光校正模式。
在液晶显示装置进入背光校正模式之后，亮度传感器对液晶显示装置的整个屏幕进行扫描，获得液晶显示装置屏幕背光亮度数据，并将所述液晶显示装置屏幕背光亮度数据发送至液晶显示装置。
具体地，在亮度传感器发送所述液晶显示装置屏幕背光亮度数据之后，液晶显示装置对所述液晶显示装置屏幕背光亮度数据进行接收。
步骤S200，基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据。
在接收到所述液晶显示装置屏幕背光亮度数据之后，液晶显示装置通过软件基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据。具体地，通过软件建立和液晶显示装置屏幕大小一致的坐标图，然后根据所述液晶显示装置屏幕背光亮度数据将每个坐标对应的背光亮度数据标到坐标图中，比如坐标（1,2）的背光亮度数据为10，则在坐标（1,2）对应的点标上10。
步骤S300，选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据。
在建立坐标图之后，选取坐标图中的背光亮度数据作为屏幕背光亮度标准数据，并计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据。具体地，可以将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
步骤S400，通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
在获取亮度补偿数据之后，根据所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。从而使得液晶显示装置屏幕的每个地方的背光亮度数据都一样。
本实施例通过接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。通过上述方式，首先通过液晶显示装置中的软件接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据，使得液晶显示装置屏幕的背光均匀程度一致。
进一步地，参照图2，图2为图1中选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据的步骤的一细化流程示意图。
基于本发明调节液晶显示装置屏幕背光亮度的方法第一实施例，所述步骤S300可以包括：
步骤S310，将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；
步骤S320，将所述最大背光亮度数据选取为屏幕背光亮度标准数据；
步骤S330，将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
在本实施例中，选取屏幕背光亮度标准数据的方法可以为所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据，然后将所述最大背光亮度数据选取为屏幕背光亮度标准数据。具体实施过程中还可以将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据。然后将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得每个坐标对应的亮度补偿数据。
进一步地，参照图3，图3为图1中选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述液晶显示装置屏幕亮度坐标对应的背光亮度数据表格中的背光亮度数据的亮度补偿数据的步骤的另一细化流程示意图。
基于本发明调节液晶显示装置屏幕背光亮度的方法第一实施例，所述步骤S300还可以包括：
步骤S340，将所述对应的亮度补偿数据与预设数据进行对比；
步骤S350，若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；
步骤S360，若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
在本实施例中，可以将所述对应的亮度补偿数据与预设数据进行对比，所述预设数据一般为零，具体取数据可以根据用户需要的背光均匀要求进行取数据。若所述对应的亮度补偿数据大于预设数据，则说明所述对应的亮度补偿数据对应的坐标亮度数据与标准的亮度数据不在用户预设的范围内，则需要将所述对应的亮度补偿数据保存，并进行反馈，以便进行调节。若所述对应的亮度补偿数据小于或等于预设数据，则说明所述对应的亮度补偿数据对应的坐标亮度数据与标准的亮度数据在用户预设的范围内，则可以忽略所述对应的亮度补偿数据。
进一步地，参照图4，图4为图1中通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤的细化流程示意图。
基于本发明调节液晶显示装置屏幕背光亮度的方法第一实施例，所述步骤S400可以包括：
步骤S410，获取与所述亮度补偿数据对应坐标点的背光亮度数据；
步骤S420，将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
在本实施例中，通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的具体实施方法可以为：首先获取与所述亮度补偿数据对应坐标点的背光亮度数据，然后将所述亮度补偿数据与对应坐标点的背光亮度数据相加。使得屏幕中每个位置的背光亮度数据一致。
进一步地，参照图5，图5为本发明调节液晶显示装置屏幕背光亮度的方法第二实施例流程示意图。
基于本发明调节液晶显示装置屏幕背光亮度的方法第一实施例，所述方法还包括：
步骤S500，当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；
步骤S600，在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；
步骤S700，根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
在本实施例中，在调节液晶显示装置屏幕背光亮度之后，此时液晶显示装置屏幕的背光亮度数据一致，通过软件控制生成基于背光亮度数据的亮度补偿数据坐标图，然后将所述亮度补偿数据坐标图保存。在后续用户进行播放时，首先获取用户待播放画面的背光亮度数据。然后根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
本实施例通过当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。通过上述方式，可以快速调节液晶显示装置屏幕的背光亮度，使得液晶显示装置屏幕各个位置的背光亮度一致。
本发明进一步提供一种调节液晶显示装置屏幕背光亮度的装置。
参照图6，图6为本发明调节液晶显示装置屏幕背光亮度的装置第一实施例的功能模块示意图。
在一实施例中，该装置包括：
接收模块100，用于接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据。
在本实施例中，为保证本实施例能够正常实施，在实施本实施例之前，需要将待校正液晶显示装置背光调整至最低亮度，让液晶显示装置显示黑色画面，然后将亮度传感器与液晶显示装置连接。
液晶显示装置根据用户触发的开启指令开启背光校正功能，进入背光校正模式。
在液晶显示装置进入背光校正模式之后，亮度传感器对液晶显示装置的整个屏幕进行扫描，获得液晶显示装置屏幕背光亮度数据，并将所述液晶显示装置屏幕背光亮度数据发送至液晶显示装置。
具体地，在亮度传感器发送所述液晶显示装置屏幕背光亮度数据之后，液晶显示装置对所述液晶显示装置屏幕背光亮度数据进行接收。
建立模块200，用于基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据。
在接收到所述液晶显示装置屏幕背光亮度数据之后，液晶显示装置通过软件基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据。具体地，通过软件建立和液晶显示装置屏幕大小一致的坐标图，然后根据所述液晶显示装置屏幕背光亮度数据将每个坐标对应的背光亮度数据标到坐标图中，比如坐标（1,2）的背光亮度数据为10，则在坐标（1,2）对应的点标上10。
计算模块300，用于选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据。
在建立坐标图之后，选取坐标图中的背光亮度数据作为屏幕背光亮度标准数据，并计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据。具体地，可以将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
第一调节模块400，用于通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
在获取亮度补偿数据之后，根据所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。从而使得液晶显示装置屏幕的每个地方的背光亮度数据都一样。
本实施例通过接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。通过上述方式，首先通过液晶显示装置中的软件接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据，使得液晶显示装置屏幕的背光均匀程度一致。
进一步地，参照图7，图7为图6中计算模块的一细化功能模块示意图。
基于本发明调节液晶显示装置屏幕背光亮度的装置第一实施例，所述计算模块300可以包括：
比较单元310，将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；
选取单元320，将所述最大背光亮度数据选取为屏幕背光亮度标准数据；
相减单元330，将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
在本实施例中，选取屏幕背光亮度标准数据的方法可以为所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据，然后将所述最大背光亮度数据选取为屏幕背光亮度标准数据。具体实施过程中还可以将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据。然后将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得每个坐标对应的亮度补偿数据。
进一步地，参照图8，图8为图6中计算模块的另一细化功能模块示意图。
基于本发明调节液晶显示装置屏幕背光亮度的装置第一实施例，所述计算模块300还可以包括：
对比单元340，用于将所述对应的亮度补偿数据与预设数据进行对比；
保存单元350，用于若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；
忽略单元360，用于若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
在本实施例中，可以将所述对应的亮度补偿数据与预设数据进行对比，所述预设数据一般为零，具体取数据可以根据用户需要的背光均匀要求进行取数据。若所述对应的亮度补偿数据大于预设数据，则说明所述对应的亮度补偿数据对应的坐标亮度数据与标准的亮度数据不在用户预设的范围内，则需要将所述对应的亮度补偿数据保存，并进行反馈，以便进行调节。若所述对应的亮度补偿数据小于或等于预设数据，则说明所述对应的亮度补偿数据对应的坐标亮度数据与标准的亮度数据在用户预设的范围内，则可以忽略所述对应的亮度补偿数据。
进一步地，参照图9，图9为图6中第一调节模块的细化功能模块示意图。
基于本发明调节液晶显示装置屏幕背光亮度的装置第一实施例，所述第一调节模块400可以包括：
获取单元410，用于获取与所述亮度补偿数据对应坐标点的背光亮度数据；
相加单元420，用于将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
在本实施例中，通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的具体实施方法可以为：首先获取与所述亮度补偿数据对应坐标点的背光亮度数据，然后将所述亮度补偿数据与对应坐标点的背光亮度数据相加。使得屏幕中每个位置的背光亮度数据一致。
进一步地，参照图10，图10为本发明调节液晶显示装置屏幕背光亮度的装置第二实施例的功能模块示意图。
基于本发明调节液晶显示装置屏幕背光亮度的装置第一实施例，所述装置还包括：
生成模块500，用于当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；
获取模块600，用于在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；
第二调节模块700，用于根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
在本实施例中，在调节液晶显示装置屏幕背光亮度之后，此时液晶显示装置屏幕的背光亮度数据一致，通过软件控制生成基于背光亮度数据的亮度补偿数据坐标图，然后将所述亮度补偿数据坐标图保存。在后续用户进行播放时，首先获取用户待播放画面的背光亮度数据。然后根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
本实施例通过当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。通过上述方式，可以快速调节液晶显示装置屏幕的背光亮度，使得液晶显示装置屏幕各个位置的背光亮度一致。
以上仅为本发明的优选实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。
Claims (20)
- 一种调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述方法包括以下步骤：接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获得屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
- 如权利要求1所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获得屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据的步骤包括：将所述坐标图中的各个坐标点对应的背光亮度数据进行升序排序，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；将所述最大背光亮度数据选取为屏幕背光亮度标准数据；将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
- 如权利要求2所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据的步骤之后包括：将所述对应的亮度补偿数据与预设数据进行对比；若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
- 如权利要求3所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述亮度补偿数据与对应坐标点的背光亮度数据相加的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 如权利要求1所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤包括：获取与所述亮度补偿数据对应坐标点的背光亮度数据；将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
- 如权利要求5所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述亮度补偿数据与对应坐标点的背光亮度数据相加的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 如权利要求1所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述亮度补偿数据与对应坐标点的背光亮度数据相加的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 如权利要求2所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述亮度补偿数据与对应坐标点的背光亮度数据相加的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 一种调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述方法包括以下步骤：接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
- 如权利要求9所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 如权利要求9所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据的步骤包括：将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；将所述最大背光亮度数据选取为屏幕背光亮度标准数据；将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
- 如权利要求11所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据的步骤之后包括：将所述对应的亮度补偿数据与预设数据进行对比；若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
- 如权利要求12所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 如权利要求9所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤包括：获取与所述亮度补偿数据对应坐标点的背光亮度数据；将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
- 如权利要求13所述的调节液晶显示装置屏幕背光亮度的方法，其特征在于，所述通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据的步骤之后还包括：当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
- 一种调节液晶显示装置屏幕背光亮度的装置，其特征在于，所述装置包括：接收模块，用于接收来自亮度传感器对液晶显示装置屏幕进行扫描得到的液晶显示装置屏幕背光亮度数据；建立模块，用于基于所述液晶显示装置屏幕尺寸大小及所述液晶显示装置屏幕背光亮度数据建立坐标图，所述坐标图包括各个坐标点对应的背光亮度数据；计算模块，用于选取屏幕背光亮度标准数据，计算所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据的亮度补偿数据；第一调节模块，用于通过所述亮度补偿数据对应调节液晶显示装置屏幕的背光亮度数据。
- 如权利要求16所述的调节液晶显示装置屏幕背光亮度的装置，其特征在于，所述计算模块包括：比较单元，用于将所述坐标图中的各个坐标点对应的背光亮度数据依次进行比较，获取所述坐标图中的各个坐标点对应的背光亮度数据中的最大背光亮度数据；选取单元，用于将所述最大背光亮度数据选取为屏幕背光亮度标准数据；相减单元，用于将所述屏幕背光亮度标准数据与所述坐标图中的各个坐标点对应的背光亮度数据依次相减，获得对应的亮度补偿数据。
- 如权利要求17所述的调节液晶显示装置屏幕背光亮度的装置，其特征在于，所述计算模块还包括：对比单元，用于将所述对应的亮度补偿数据与预设数据进行对比；保存单元，用于若所述对应的亮度补偿数据大于预设数据，则将所述对应的亮度补偿数据保存；忽略单元，用于若所述对应的亮度补偿数据小于或等于预设数据，则忽略所述对应的亮度补偿数据。
- 如权利要求16所述的调节液晶显示装置屏幕背光亮度的装置，其特征在于，所述第一调节模块包括：获取单元，用于获取与所述亮度补偿数据对应坐标点的背光亮度数据；相加单元，用于将所述亮度补偿数据与对应坐标点的背光亮度数据相加。
- 如权利要求18所述的调节液晶显示装置屏幕背光亮度的装置，其特征在于，所述装置还包括：生成模块，用于当液晶显示装置屏幕的背光亮度数据一致时，生成并保存基于背光亮度数据的亮度补偿数据坐标图；获取模块，用于在播放过程中，在画面进行更换之前，获取所述画面的背光亮度数据；第二调节模块，用于根据所述基于背光亮度数据的亮度补偿数据坐标图对所述画面的背光亮度数据进行调节。
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