Summary of the invention
The embodiment of the present invention provides a kind of method and apparatus of the brightness of display screen of controlling display, solve existing auto brightness control method in the time that the brightness of the display screen to display regulates, be the brightness of whole display screen due to what regulate, make display show the problem of the display effect variation of image.
The method of a kind of brightness of display screen of controlling display that the embodiment of the present invention provides, the method comprises:
According to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, and using the pixel position of determining as the compensated position that need to carry out luminance compensation;
According to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated.
Preferably, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, comprising:
Within the scope of the illumination threshold of setting at the brightness value of the illumination light of determining time, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection.
Preferably, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, comprising:
According to the positional information of the light source of the illumination light collecting, determine the mirror image image space of described light source at described display screen; And
According to the mirror image image space of the current position of human eye information collecting and described light source, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of described display screen reflection.
As the preferred implementation of one, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated, comprising:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the first compensation range of setting, the brightness of the vision signal receiving by adjusting display, compensates the brightness of each pixel in the compensated position of determining.
As the preferred implementation of another kind, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated, comprising:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the second compensation range of setting, by the driving circuit of display, the brightness of each pixel in compensated position corresponding to Different Light is compensated.
The device of a kind of brightness of display screen of controlling display that the embodiment of the present invention provides, this device comprises:
Compensated position determination module, be used for according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, and using the pixel position of determining as the compensated position that need to carry out luminance compensation;
Compensating module, for according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, compensates the brightness of the pixel in the compensated position of determining.
Preferably, described compensated position determination module specifically for:
According to the positional information of the light source of the illumination light collecting, determine the mirror image image space of described light source at described display screen; And according to the mirror image image space of the current position of human eye information collecting and described light source, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of described display screen reflection.
As the preferred implementation of one, described compensating module specifically for:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the first compensation range of setting, the brightness of the vision signal receiving by adjusting display, compensates the brightness of each pixel in the compensated position of determining.
As the preferred implementation of another kind, described compensating module specifically for:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the second compensation range of setting, by the driving circuit of display, the brightness of each pixel in compensated position corresponding to Different Light is compensated.
In the method and apparatus of a kind of brightness of display screen of controlling display that the embodiment of the present invention provides, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, and using the pixel position of determining as the compensated position that need to carry out luminance compensation; And according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated.Thereby can compensate the brightness that can enter the pixel of the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, improve the display effect of display demonstration image, also improve user's viewing experience.
Embodiment
The invention provides a kind of method and apparatus of the brightness of display screen of controlling display, can compensate the brightness that can enter the pixel of the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, thereby the display effect that has improved display demonstration image, has also improved user's viewing experience.
Below in conjunction with Figure of description, the embodiment of the present invention is described in further detail.Should be appreciated that embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
The method of a kind of brightness of display screen of controlling display that the embodiment of the present invention provides, shown in Figure 1, the method comprises:
Step 11, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, and using the pixel position of determining as the compensated position that need to carry out luminance compensation.
Step 12, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated.
In the embodiment of the present invention, owing to can the brightness that can enter the pixel of the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection being compensated, thereby the display effect that has improved display demonstration image, has also improved user's viewing experience.
The embodiment of the present invention is particularly useful for the scene that location of displays does not frequently change, as TV etc.Because TV placement location is relatively fixing, and use scenes is also relatively fixing, TV illumination light around, its light source position is generally also more fixing, therefore, the method that can provide by the embodiment of the present invention, compensates the display screen of TV, shows the display effect of image to improve television indicator.
Although the embodiment of the present invention is described and illustrates as example to be suitable for room lighting light, but the embodiment of the present invention is not limited to be applied to the compensation to room lighting light, the embodiment of the present invention goes for Luminance Distribution model and can be modeled as other surround lightings of the mirror image imaging of display.
The embodiment of the present invention does not limit the kind of display, can be OLED display, liquid crystal display etc.
In force, the method also comprises:
According to the current illumination light information collecting, determine the brightness value of illumination light.
In the embodiment of the present invention, above-mentioned " according to the current illumination light information collecting, determining the brightness value of illumination light " and the execution sequence of step 11 are not limited.Concrete:
Can first carry out the step of above-mentioned " according to the current illumination light information collecting, determining the brightness value of illumination light ", then perform step 11; Also can first perform step 11, then carry out the step of above-mentioned " according to the current illumination light information collecting, determining the brightness value of illumination light "; Can also carry out above-mentioned " according to the current illumination light information collecting, determining the brightness value of illumination light " and step 11 simultaneously.
Preferably, in the time gathering illumination light information, can gather illumination light information by sensor, wherein, sensor can adopt optical sensor, imageing sensor (as to comprise charge coupled cell (Charge Coupled Device, CCD), the sensor of CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, COMS)).The embodiment of the present invention is also not limited to use optical sensor and imageing sensor to gather illumination light information, is all applicable to the present invention as long as can be used in the equipment of detection illumination light.
Preferably, the illumination light information collecting can be the pictorial information of the surrounding environment that collects of imageing sensor, can be also the illuminance information of the illumination light that collects of optical sensor.
Concrete, if what collect is the image information of illumination light, because the image information collecting is generally rgb format, first the image information collecting is converted to yuv format or YCrCb form, then extract the brightness value of illumination light in image information.
Preferably, in the time gathering illumination light information, can periodically gather illumination light information, as gathered an illumination light information every 1 minute.
Based on above-mentioned arbitrary embodiment, preferably, in step 11, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, comprising:
Within the scope of the illumination threshold of setting at the brightness value of the illumination light of determining time, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection.
Concrete, collecting after illumination light information, determine the brightness value of illumination light, and the brightness value that judges illumination light is whether within the scope of the illumination threshold of setting; If judge the brightness value of illumination light within the scope of the illumination threshold of setting, then perform step 11; If judge the brightness value of illumination light not within the scope of the illumination threshold of setting, continue monitoring light light.
Illustrate, can know by observing, the brightness value of illumination light is between 0～100lux time, and the display effect of display is better, and now, the brightness of the pixel of the demonstration image to display screen does not compensate; The brightness value of illumination light is between 100～500lux time, the picture quality variation a little that display shows, and the reflection of display screen is comparatively obvious, now, need to carry out less compensation to the brightness of the pixel of the demonstration image of display screen; The brightness value of illumination light is between 500～1000lux time, and display screen is similar to indoor sunlight direct projection/or direct mirror-reflection environment, now, need to carry out larger compensation to the brightness of the pixel of the demonstration image of display screen.Therefore, preferably, illumination threshold scope can be set as [0,100lux].
Based on above-mentioned arbitrary embodiment, in step 11, according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, comprising:
According to the positional information of the light source of the illumination light collecting, determine the mirror image image space of this light source at display screen; And
According to the mirror image image space of the current position of human eye information collecting and this light source, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection.
Concrete, can enter the pixel position of reflection ray place display screen of human eye in the reflection ray of display screen reflection in illumination light time, can be using display as minute surface, determine the position of light source in the mirror image imaging of display screen, taking lighting source as example, as shown in Figure 2, thereby determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, be designated as g (Xc, Yd) represent, wherein 1≤c≤M, 1≤d≤N.
Based on above-mentioned arbitrary embodiment, in step 12, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated, comprising:
According to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, determine the compensation rate that surround lighting is corresponding; And
According to the compensation rate of determining, the brightness of the pixel in the compensated position of determining is compensated.
Illustrate, in step 12, the brightness value of illumination light and the corresponding relation of compensation rate are predefined, preset the brightness value of illumination light and the corresponding relation of compensation rate can be: the scope of setting the compensation rate that the different brightness value of illumination light is corresponding is 100%～120%.
It should be noted that, if compensation rate adopts number percent form, suppose that compensation rate is 120%,, in the time that the brightness value of pixel is not attempted, improves 20% by the brightness value of this pixel on the basis of original brightness value.
Compensation rate in the embodiment of the present invention, except the form that can adopt above-mentioned number percent realizes, can also adopt other forms, as brightness value.The embodiment of the present invention does not limit the specific implementation form of compensation rate.
As a kind of implementation, in step 12, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated, comprising:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the first compensation range of setting, the brightness of the vision signal receiving by adjusting display, compensates the brightness of each pixel in the compensated position of determining.
As another kind of implementation, in step 12, according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, the brightness of the pixel in the compensated position of determining is compensated, comprising:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the second compensation range of setting, by the driving circuit of display, the brightness of each pixel in compensated position corresponding to Different Light is compensated.
Concrete, the compensated position of determining and compensation rate are sent to the sequential control circuit unit of display, the brightness of each pixel of the demonstration image by Gamma voltage to compensated position corresponding to Different Light compensates, under which, what display received is that source IC is transformed into the required simulating signal Vdata voltage of display panel image digital signal.
Said method treatment scheme can realize with software program, and this software program can be stored in storage medium, in the time that the software program of storage is called, carries out said method step.
Based on same inventive concept, a kind of device of the brightness of display screen of controlling display is also provided in the embodiment of the present invention, because the principle that this device is dealt with problems is similar to the method for the brightness of display screen of above-mentioned control display, therefore the enforcement of this device can be referring to the enforcement of method, repeats part and repeat no more.
Shown in Figure 3, the device of a kind of brightness of display screen of controlling display that the embodiment of the present invention provides, comprising:
Compensated position determination module 31, be used for according to the current position of human eye information collecting, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection, and using the pixel position of determining as the compensated position that need to carry out luminance compensation;
Compensating module 32, for according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, determines compensation rate corresponding to illumination light, and according to the compensation rate of determining, the brightness of the pixel in the compensated position of determining is compensated.
In the device that the embodiment of the present invention provides, owing to can the brightness that can enter the pixel of the reflection ray place display screen of human eye in illumination light in the reflection ray of display screen reflection being compensated, thereby the display effect that has improved display demonstration image, has also improved user's viewing experience.
In force, this device also comprises:
Brightness value determination module 33, for according to the current illumination light information collecting, determines the brightness value of illumination light.
Concrete, in the embodiment of the present invention, the execution sequence of compensated position determination module 31 and brightness value determination module 33 is not limited.Concrete:
Can first carry out the operation of compensated position determination module 31, then carry out the operation of brightness value determination module 33; Also can first carry out the operation of brightness value determination module 33, then carry out the operation of compensated position determination module 31; Can also carry out the operation of compensated position determination module 31 and brightness value determination module 33 simultaneously.
Preferably, brightness value determination module 33 also for:
Within the scope of the illumination threshold of setting at the brightness value of the illumination light of determining time, trigger described compensated position determination module 31 and determine compensated position.
Based on above-mentioned arbitrary embodiment, in force, compensated position determination module 31 specifically for:
According to the positional information of the light source of the illumination light collecting, determine the mirror image image space of described light source at described display screen; And according to the mirror image image space of the current position of human eye information collecting and described light source, determine the pixel position that can enter the reflection ray place display screen of human eye in illumination light in the reflection ray of described display screen reflection.
Based on above-mentioned arbitrary embodiment, compensating module 32 specifically for:
According to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate, determine the compensation rate that surround lighting is corresponding; And according to the compensation rate of determining, the brightness of the pixel in the compensated position of determining is compensated.
As the preferred implementation of one, compensating module 32 specifically for:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the first compensation range of setting, the brightness of the vision signal receiving by adjusting display, compensates the brightness of each pixel in the compensated position of determining.
As the preferred implementation of another kind, compensating module 32 specifically for:
If the compensation rate of determining according to the corresponding relation of the brightness value of the current illumination light collecting and compensation rate is in the second compensation range of setting, by the driving circuit of display, the brightness of each pixel in compensated position corresponding to Different Light is compensated.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, completely implement software example or the form in conjunction with the embodiment of software and hardware aspect.And the present invention can adopt the form at one or more upper computer programs of implementing of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is with reference to describing according to process flow diagram and/or the block scheme of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or the combination of square frame.Can provide these computer program instructions to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction that makes to carry out by the processor of computing machine or other programmable data processing device produces the device for realizing the function of specifying at flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of specifying in flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computing machine or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of specifying in flow process of process flow diagram or multiple flow process and/or square frame of block scheme or multiple square frame on computing machine or other programmable devices.
Although described the preferred embodiments of the present invention, once those skilled in the art obtain the basic creative concept of cicada, can make other change and amendment to these embodiment.So claims are intended to be interpreted as comprising preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if these amendments of the present invention and within modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.