CN106128371A - A kind of device, display device and the method that picture brightness strengthens - Google Patents
A kind of device, display device and the method that picture brightness strengthens Download PDFInfo
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- CN106128371A CN106128371A CN201610811590.5A CN201610811590A CN106128371A CN 106128371 A CN106128371 A CN 106128371A CN 201610811590 A CN201610811590 A CN 201610811590A CN 106128371 A CN106128371 A CN 106128371A
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- ambient light
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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
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0613—The adjustment depending on the type of the information to be displayed
- G09G2320/062—Adjustment of illumination source parameters
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- 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
This application discloses device, display device and method that a kind of picture brightness strengthens, it is not necessary to realize picture brightness enhancing under highlighted state or secondary highlighted state by changing backlight illumination, thus power consumption can be reduced compared with the method changing backlight illumination.The device that a kind of picture brightness that the embodiment of the present application provides strengthens includes: photo cell, for gathering the brightness value of ambient light;Determine unit, for the brightness value according to described ambient light, determine the predetermined luminance state belonging to described ambient light;Control unit, for determining the corresponding relation between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to described ambient light, according to this corresponding relation, control interface shows.
Description
Technical field
The application relates to display field, particularly relates to device, display device and method that picture brightness strengthens.
Background technology
In prior art, normal indoor environment brightness state is defined as normal condition, by outdoor environment brightness
State is defined as highlighted state, and in the transitive state of normal condition to highlighted state, environmental light brightness is defined as time highlighted shape
State.At present, in order to improve the picture display effect under environmental light brightness state is highlighted state or secondary highlighted state, generally make
Adaptive backlight brilliance control (Content Adaptive with logic card (Timing Controller, T-CON)
Brightness Control, CABC) technology or pulse width modulation (Pulse Width Modulation, PWM) instrument are logical
Cross change PWM to control backlight illumination, when under highlighted state or secondary highlighted state, improve display picture by the way
Brightness need to improve backlight illumination relatively big, power consumption increases the most therewith.
In sum, prior art is realized under highlighted state or secondary highlighted state by the method for control backlight illumination
Picture brightness strengthen, power consumption is bigger.
Summary of the invention
The embodiment of the present application provides a kind of device, display device and the method that picture brightness strengthens, it is not necessary to by controlling
Backlight illumination realizes picture brightness under highlighted state or secondary highlighted state to be strengthened, and changes display picture with by control backlight illumination
The prior art of face brightness is compared, it is possible to reduce power consumption.
The device that a kind of picture brightness that the embodiment of the present application provides strengthens, this device includes:
Photo cell, for gathering the brightness value of ambient light;
Determine unit, for the brightness value according to described ambient light, determine the predetermined luminance state belonging to described ambient light;
Control unit, for determining GTG and the driving of the pixel corresponding to predetermined luminance state belonging to described ambient light
Corresponding relation between voltage, according to this corresponding relation, control interface shows.
In the device that the picture brightness that the embodiment of the present application provides strengthens, photo cell gathers the brightness value of ambient light, really
Cell, according to the brightness value of described ambient light, determines the predetermined luminance state belonging to described ambient light, and control unit determines institute
State the corresponding relation between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to ambient light, right according to this
Should be related to, control interface shows, so that when environmental light brightness changes, only by changing the GTG driving electricity of pixel
Pressure can change display picture brightness, compared with the prior art changing display picture brightness by controlling backlight illumination, it is possible to
Reduce power consumption.
It is preferred that described predetermined luminance state specifically includes: dark state, normal condition, highlighted state and secondary highlighted shape
State.
Determine that unit is photoelectric processing device it is preferred that described.
It is preferred that described photoelectric processing implement body is used for:
The brightness value of described ambient light is converted into digital signal, described digital signal is entered with described predetermined luminance state
Row compares, and determines the predetermined luminance state belonging to described ambient light according to comparative result.
It is preferred that described control unit includes gamma integrated circuit and driving chip;Wherein,
Described gamma integrated circuit, for determining the multi-group data corresponding to predetermined luminance state belonging to described ambient light
Information, each group of data message includes the GTG of pixel and the magnitude of voltage driving this pixel;
Described driving chip, for according to described multi-group data information, determines between the GTG of pixel and driving voltage
Corresponding relation, and according to this corresponding relation, and the GTG of each pixel of image to be displayed, control interface shows.
It is preferred that described gamma integrated circuit includes that multiple memory element, each memory element preserve a predetermined luminance shape
The many groups of described data messages that state is corresponding;
Described determine unit specifically for: according to the brightness value of described ambient light, determine presetting belonging to described ambient light
Luminance state, and send, to described gamma integrated circuit, the addressing control letter that the predetermined luminance state belonging to described ambient light is corresponding
Number;
The multi-group data information that described gamma integrated circuit exports in the memory element that described addressing control signal is corresponding is given
Described driving chip.
A kind of display device that the embodiment of the present application provides, the described picture brightness provided including the embodiment of the present application strengthens
Device.
The method that a kind of picture brightness that the embodiment of the present application provides strengthens, including:
Gather the brightness value of ambient light;
According to the brightness value of described ambient light, determine the predetermined luminance state belonging to described ambient light;
Determine between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to described ambient light is right
Should be related to, according to this corresponding relation, control interface shows.
It is preferred that described predetermined luminance state specifically includes: dark state, normal condition, highlighted state and secondary highlighted shape
State.
It is preferred that according to the brightness value of described ambient light, determine that the predetermined luminance state belonging to described ambient light is specifically wrapped
Include:
The brightness value of described ambient light is converted into digital signal, described digital signal is entered with described predetermined luminance state
Row compares, and determines the predetermined luminance state belonging to described ambient light according to comparative result.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present application, in embodiment being described below required for make
Accompanying drawing briefly introduce, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the application, for this
From the point of view of the those of ordinary skill in field, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
The structural representation of the device that the first picture brightness that Fig. 1 provides for the embodiment of the present application strengthens;
The structural representation of the device that the second picture brightness that Fig. 2 provides for the embodiment of the present application strengthens;
The structural representation of the device that the third picture brightness that Fig. 3 provides for the embodiment of the present application strengthens;
Corresponding relation curve chart between GTG and the driving voltage of the pixel that Fig. 4 provides for the embodiment of the present application;
The schematic flow sheet of the device work that a kind of picture brightness that Fig. 5 provides for the embodiment of the present application strengthens;
The schematic flow sheet of the method that a kind of picture brightness that Fig. 6 provides for the embodiment of the present application strengthens.
Detailed description of the invention
The embodiment of the present application provides a kind of device, display device and the method that picture brightness strengthens, it is not necessary to by controlling
Backlight illumination realizes picture brightness under highlighted state or secondary highlighted state to be strengthened, thus compared with the method controlling backlight illumination
Reduce power consumption.
The device that a kind of picture brightness that the embodiment of the present application provides strengthens, as it is shown in figure 1, this device includes:
Photo cell 1, for gathering the brightness value of ambient light;
Determine unit 2, for the brightness value according to described ambient light, determine the predetermined luminance shape belonging to described ambient light
State;
Control unit 3, is used for the GTG determining the pixel corresponding to predetermined luminance state belonging to described ambient light and drives
Corresponding relation between galvanic electricity pressure, according to this corresponding relation, control interface shows.
In the device that the picture brightness that the embodiment of the present application provides strengthens, photo cell gathers the brightness value of ambient light, really
Cell, according to the brightness value of described ambient light, determines the predetermined luminance state belonging to described ambient light, and control unit determines institute
State the corresponding relation between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to ambient light, right according to this
Should be related to, control interface shows, so that when environmental light brightness changes, only by changing the GTG driving electricity of pixel
Pressure can change display picture brightness, compared with the prior art changing display picture brightness by controlling backlight illumination, it is possible to
Reduce power consumption.
It is preferred that described predetermined luminance state specifically includes: dark state, normal condition, secondary highlighted state and highlighted shape
State.Wherein, the environmental light brightness under described dark state, normal condition, secondary highlighted state and highlighted state increases successively.Example
As, the environmental light brightness scope under described dark state, normal condition, secondary highlighted state and highlighted state is respectively 0~30 Le
Ke Si (Lux), 30~100Lux, 100~500Lux and 1000~100000Lux.At described dark state, normal condition, secondary
The brightness of the display picture under highlighted state and highlighted state also should increase successively, shows picture under described highlighted state
Brightness is higher than the brightness showing picture under described normal condition, just may be implemented in the display effect strengthening picture under time highlighted state
Really.
It should be noted that described predetermined luminance state is divided into four kinds by the embodiment of the present application, predetermined luminance state demarcation
Divide also dependent on concrete condition, the four kinds of states being not limited in the embodiment of the present application, in actual applications, can basis
Specifically needing to be configured the brightness range of predetermined luminance state, the application does not limits.
It is preferred that as in figure 2 it is shown, described determine that unit is photoelectric processing device 4.
It is preferred that described photoelectric processing device 4 specifically for:
The brightness value of described ambient light is converted into digital signal, described digital signal is entered with described predetermined luminance state
Row compares, and determines the predetermined luminance state belonging to described ambient light according to comparative result.
It is preferred that as it is shown on figure 3, described control unit includes gamma integrated circuit 5 and driving chip 6;Wherein,
Described gamma integrated circuit 5, for determining the many groups number corresponding to predetermined luminance state belonging to described ambient light
It is believed that breath, each group of data message include the GTG of pixel and the magnitude of voltage driving this pixel;
Such as, in advance for the multi-group data information that the storage of each predetermined luminance state is corresponding in gamma integrated circuit,
Often group includes the grey decision-making of a pixel and the driving voltage value of correspondence thereof.The multi-group data letter that each predetermined luminance state is corresponding
Breath includes the GTG of 8 groups of pixels and drives the magnitude of voltage of this pixel, it is of course also possible to store all pixel gray levels and drive this picture
The magnitude of voltage of element.The corresponding different multi-group data information of different predetermined luminance states, say, that in different environment brights
Under degree state, the corresponding different magnitude of voltage driving this pixel of the same GTG of any pixel, such that it is able to realize varying environment
Under brightness state, the display brightness corresponding to same GTG of pixel is different, thus realizes under varying environment brightness state
The control that display picture brightness is different.
Described driving chip 6, for according to described multi-group data information, determines between the GTG of pixel and driving voltage
Corresponding relation, and according to this corresponding relation, and the GTG of each pixel of image to be displayed, control interface shows.
It is preferred that described gamma integrated circuit 5 includes that multiple memory element, each memory element preserve a predetermined luminance shape
The many groups of described data messages that state is corresponding;
As shown in Figure 4, the GTG of the pixel of a memory element storage can use with the relation of the magnitude of voltage driving this pixel
Article one, gamma (Gamma) calibration trace represents, in figure abscissa be the grey decision-making of pixel, vertical coordinate be different grey decision-making pair
The normalized value of the driving voltage answered.In gamma integrated circuit 5, it is corresponding that different memory element preserve different predetermined luminance state
Multi-group data information, say, that the GTG of the pixel under different predetermined luminance states and the magnitude of voltage driving this pixel
Relation is represented by different gamma curve;" Gamma 1.9, Gamma 2.0, Gamma 2.2, Gamma 2.5 " four in figure
The corresponding four kinds of predetermined luminance states of bar gamma curve, the difference preserved in 1.9,2.0,2.2 and 2.5 representative memory cells is preset bright
The mark of the gamma curve that the GTG of the pixel under degree state is satisfied with the relation of the magnitude of voltage driving this pixel.Such as, such as Fig. 4
Shown in, the voltage that the different same grey decision-making of gamma curve are corresponding is different, when same grey decision-making, such as grey decision-making are a, and Gamma
Voltage in 1.9 curves is higher than the voltage in Gamma 2.0 curve, accordingly, if for the same pixel of same picture, uses
The GTG of the pixel represented by Gamma 1.9 curve and the corresponding relation of driving voltage carry out display brightness control, compare employing
The GTG of the pixel represented by Gamma 2.0 curve and the corresponding relation of driving voltage carry out display brightness control, display brightness
Want height, thus, the data message that output Gamma 1.9 curve is corresponding compares the data message that output Gamma 2.0 curve is corresponding,
Can effectively strengthen the brightness of display picture.
Alternatively, the multi-group data information that described each memory element preserves includes GTG and this picture of driving of 8 groups of pixels
The magnitude of voltage of element;8 groups of data messages that each memory element preserves are it may be that as shown in Figure 4, corresponding with this memory element
Gamma curve in a, b, c, d, e, f, g and h GTG of pixel and corresponding driving voltage.
Described determine unit specifically for: according to the brightness value of described ambient light, determine presetting belonging to described ambient light
Luminance state, and send, to described gamma integrated circuit 5, the addressing control that the predetermined luminance state belonging to described ambient light is corresponding
Signal;
Described gamma integrated circuit 5 export multi-group data information in the memory element that described addressing control signal is corresponding to
Described driving chip 6.
When the predetermined luminance state belonging to ambient light changes, the described described addressing determining that unit exports controls letter
Number can occur to change accordingly, thus control gamma integrated circuit 5 and different memory element is addressed, the corresponding number of output
It is believed that breath.Such as, when described determine that unit determines that described ambient light belongs to time highlighted state time, described determine that unit is to described gal
Agate integrated circuit sends the addressing control signal of time highlighted state, and described addressing control signal controls to store in gamma integrated circuit
The GTG of 8 groups of pixels corresponding under the memory element output time highlighted state of the data message of secondary highlighted state and driving pixel
Magnitude of voltage gives described driving chip 6, and described driving chip is according to the magnitude of voltage of the GTG of the 8 groups of pixels received with driving pixel
Determine the GTG of pixel and the corresponding relation of the voltage driving pixel, and the GTG of each pixel according to picture to be shown,
According to this corresponding relation, determining corresponding driving voltage respectively, control interface shows.
Owing to gamma integrated circuit output data message is output in real time, response speed is fast, as long as addressing control signal changes
Becoming address bit, output data message can change at once.
Based on same idea, a kind of display device that the embodiment of the present application provides, the dress strengthened including above-mentioned picture brightness
Put.
As it is shown in figure 5, when external environment brightness changes, the specific works of the device that above-mentioned picture brightness strengthens
Process is as follows:
S501, photo cell gather the brightness value of ambient light, and the brightness value of current environment light is sent to photoelectric processing
Device;
The brightness value of the described ambient light that S502, photoelectric processing device send according to photo cell, determines belonging to described ambient light
Predetermined luminance state, and send, to described gamma integrated circuit, the addressing that the predetermined luminance state belonging to described ambient light is corresponding
Control signal;
The multi-group data information that S503, gamma integrated circuit export in the memory element that described addressing control signal is corresponding is given
Described driving chip;
S504, driving chip are according to described multi-group data information, and determine between the GTG of pixel and driving voltage is corresponding
Relation, and according to this corresponding relation, and the GTG of each pixel of image to be displayed, control interface shows.
The method that a kind of picture brightness that the embodiment of the present application provides strengthens, as shown in Figure 6, including:
S601, the brightness value of collection ambient light;
S602, brightness value according to described ambient light, determine the predetermined luminance state belonging to described ambient light;
S603, determine between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to described ambient light
Corresponding relation, according to this corresponding relation, control interface shows.
It is preferred that described predetermined luminance state specifically includes: dark state, normal condition, highlighted state and secondary highlighted shape
State.
It is preferred that according to the brightness value of described ambient light, determine that the predetermined luminance state belonging to described ambient light is specifically wrapped
Include:
The brightness value of described ambient light is converted into digital signal, described digital signal is entered with described predetermined luminance state
Row compares, and determines the predetermined luminance state belonging to described ambient light according to comparative result.
In sum, device, display device and the method that the picture brightness that the embodiment of the present application provides strengthens, it is determined by
Predetermined luminance state belonging to ambient light, determine the GTG of the pixel corresponding to predetermined luminance state belonging to described ambient light with
Corresponding relation between driving voltage, according to this corresponding relation, control interface shows, so that when environmental light brightness becomes
During change, only can change display picture brightness by the GTG driving voltage of change pixel, change with by control backlight illumination
The prior art of display picture brightness is compared, it is possible to reduce power consumption.
Those skilled in the art are it should be appreciated that embodiments herein can be provided as method, system or computer program
Product.Therefore, the reality in terms of the application can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the application can use at one or more computers wherein including computer usable program code
The shape of the upper computer program implemented of usable storage medium (including but not limited to disk memory and optical memory etc.)
Formula.
The application is with reference to method, equipment (system) and the flow process of computer program according to the embodiment of the present application
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the application to the application
God and scope.So, if these amendments of the application and modification belong to the scope of the application claim and equivalent technologies thereof
Within, then the application is also intended to comprise these change and modification.
Claims (10)
1. the device that a picture brightness strengthens, it is characterised in that this device includes:
Photo cell, for gathering the brightness value of ambient light;
Determine unit, for the brightness value according to described ambient light, determine the predetermined luminance state belonging to described ambient light;
Control unit, for determining GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to described ambient light
Between corresponding relation, according to this corresponding relation, control interface shows.
Device the most according to claim 1, it is characterised in that described predetermined luminance state specifically includes: dark state, just
Often state, highlighted state and secondary highlighted state.
Device the most according to claim 2, it is characterised in that described determine that unit is photoelectric processing device.
Device the most according to claim 3, it is characterised in that described photoelectric processing implement body is used for:
The brightness value of described ambient light is converted into digital signal, described digital signal is compared with described predetermined luminance state
Relatively, the predetermined luminance state belonging to described ambient light is determined according to comparative result.
Device the most according to claim 1, it is characterised in that described control unit includes gamma integrated circuit and drives core
Sheet;Wherein,
Described gamma integrated circuit, for determining the letter of the multi-group data corresponding to predetermined luminance state belonging to described ambient light
Breath, each group of data message includes the GTG of pixel and the magnitude of voltage driving this pixel;
Described driving chip, for according to described multi-group data information, determine between the GTG of pixel and driving voltage is corresponding
Relation, and according to this corresponding relation, and the GTG of each pixel of image to be displayed, control interface shows.
Device the most according to claim 5, it is characterised in that described gamma integrated circuit includes multiple memory element, often
One memory element preserves the many groups of described data messages that a predetermined luminance state is corresponding;
Described determine unit specifically for: according to the brightness value of described ambient light, determine the predetermined luminance belonging to described ambient light
State, and send, to described gamma integrated circuit, the addressing control signal that the predetermined luminance state belonging to described ambient light is corresponding;
Described gamma integrated circuit exports the multi-group data information in the memory element that described addressing control signal is corresponding to described
Driving chip.
7. a display device, it is characterised in that include the device described in the arbitrary claim of claim 1~6.
8. the method that a picture brightness strengthens, it is characterised in that including:
Gather the brightness value of ambient light;
According to the brightness value of described ambient light, determine the predetermined luminance state belonging to described ambient light;
Determine the corresponding pass between GTG and the driving voltage of the pixel corresponding to predetermined luminance state belonging to described ambient light
System, according to this corresponding relation, control interface shows.
Method the most according to claim 8, it is characterised in that described predetermined luminance state specifically includes: dark state, just
Often state, highlighted state and secondary highlighted state.
Method the most according to claim 9, it is characterised in that according to the brightness value of described ambient light, determines described environment
Predetermined luminance state belonging to light specifically includes:
The brightness value of described ambient light is converted into digital signal, described digital signal is compared with described predetermined luminance state
Relatively, the predetermined luminance state belonging to described ambient light is determined according to comparative result.
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CN115050326B (en) * | 2022-08-15 | 2022-11-04 | 禹创半导体(深圳)有限公司 | Adaptive visible dimming method for OLED (organic light emitting diode) under strong light |
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