CN107369414A - A kind of control method, display screen and electronic equipment - Google Patents
A kind of control method, display screen and electronic equipment Download PDFInfo
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- CN107369414A CN107369414A CN201710858033.3A CN201710858033A CN107369414A CN 107369414 A CN107369414 A CN 107369414A CN 201710858033 A CN201710858033 A CN 201710858033A CN 107369414 A CN107369414 A CN 107369414A
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- control signal
- display screen
- control
- logical operation
- luminescence unit
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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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
This application discloses a kind of control method, display screen and electronic equipment, methods described includes：The first control signal and the second control signal are obtained, first control signal is different from second control signal；First control signal and second control signal are subjected to logical operation, obtain the 3rd control signal；The luminescence unit of the display screen is controlled based on the 3rd control signal.By obtaining the control signals of multiple functions in the application, again to these control signals carry out logical operation after, obtain the control signal with various control function, the luminescence unit of display screen is controlled based on the control signal again, thus control display screen realizes multiple functions, such as BBL and CABC, so as to provide the user more display screen usage experiences.
Description
Technical field
The application is related to backlight control techniques field, more particularly to a kind of control method, display screen and electronic equipment.
Background technology
With the development of technology, the application of LCDs (Liquid Crystal Display, LCD) is also more and more wider
It is general.
Generally, LCD is shown by using backlight black insertion technology (Blinking back light, BBL) to reduce LCD
Dynamic fuzzy, but this BBL technologies can not be applied using dynamic backlight control (Content Adaptive Backlight
Control, CABC) function LCD device on, be exactly because BBL timing control signal can be with CABC timing control signal
Mutually conflict, LCD is upper can only to realize one kind in BBL technologies and CABC functions, and can not realize two kinds of functions simultaneously, can not bring use
The more display screen usage experiences in family.
The content of the invention
The purpose of the application is to provide a kind of control method, display screen and electronic equipment, to solve in the prior art without
Method realizes two kinds of functions of BBL and CABC simultaneously, and can not bring user's technical problem of more display screen usage experiences.
This application provides a kind of control method, and applied to display screen, methods described includes：
The first control signal and the second control signal are obtained, first control signal and second control signal are not
Together；
First control signal and second control signal are subjected to logical operation, obtain the 3rd control signal；
The luminescence unit of the display screen is controlled based on the 3rd control signal.
The above method, it is preferable that first control signal and second control signal are subjected to logical operation, obtained
3rd control signal, including：
By first control signal and second control signal is carried out according to the sequential of signal square wave and computing, obtains
3rd control signal.
The above method, it is preferable that first control signal is used to carry out BBL controls to the display screen；Described second
Control signal is used to carry out CABC controls to the display screen.
Present invention also provides a kind of display screen, including：
Luminescence unit, for lighting；
Control panel, for obtaining the first control signal and the second control signal, first control signal and described the
Two control signals are different, and first control signal and second control signal are carried out into logical operation, obtain the 3rd control
Signal, and the luminescence unit of the display screen is controlled based on the 3rd control signal.
Above-mentioned display screen, it is preferred that the control panel includes：
With gate, for carry out and logical operation；
Drive control chip, for obtaining the first control signal and the second control signal, first control signal and institute
The second control signal difference is stated, first control signal and second control signal are utilized into described and gate according to letter
The sequential of number square wave carries out logical operation, obtains the 3rd control signal, and based on the 3rd control signal to the display screen
Luminescence unit be controlled.
Above-mentioned display screen, it is preferred that, the luminescence unit comprises at least LED.
Present invention also provides a kind of electronic equipment, including：
Processor, for generating the first control signal and the second control signal, first control signal and described second
Control signal is different；
Display screen, for obtaining first control signal and second control signal, by first control signal
Logical operation is carried out with second control signal, obtains the 3rd control signal, and based on the 3rd control signal to described
The luminescence unit of display screen is controlled.
From such scheme, a kind of control method, display screen and electronic equipment that the application provides are multiple by obtaining
The control signal of function, then after carrying out logical operation to these control signals, obtain having the control of various control function to believe
Number, then the luminescence unit of display screen is controlled based on the control signal, thus control display screen realizes multiple functions, such as
BBL and CABC etc., so as to provide the user more display screen usage experiences.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, without having to pay creative labor, it can also be obtained according to these accompanying drawings
His accompanying drawing.
Fig. 1 is a kind of flow chart for control method that the embodiment of the present application one provides；
Fig. 2 is the application exemplary plot of the embodiment of the present application；
Fig. 3 is a kind of structural representation for display screen that the embodiment of the present application two provides；
Fig. 4 is another structural representation of the embodiment of the present application two；
Fig. 5 is the structural representation for a kind of electronic equipment that the embodiment of the present application three provides；
Fig. 6 is another structural representation of the embodiment of the present application three；
Fig. 7 is the another application exemplary plot of the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only some embodiments of the present application, rather than whole embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of the application protection.
With reference to figure 1, a kind of implementation process figure of the control method provided for application embodiment one, this method is applied to electronics
On the display screen of equipment, for carrying out light emitting control to the luminescence unit of display screen, it can be provided the user with the display screen for being
More usage experiences.
In the present embodiment, the control method may comprise steps of：
Step 101：Obtain the first control signal and the second control signal.
Wherein, the first control signal is different from the second control signal, for example, the first control signal has the first control work(
Can, display screen can produce the first functional effect under the first control signal；Second control signal has the second control function,
Under second control signal, display screen can produce the second functional effect, and the first functional effect is different from the second functional effect.
For example, under the first control signal, display screen shows BBL display effect, display screen small in the second control signal
Show CABC display effect.
Step 102：First control signal and the second control signal are subjected to logical operation, obtain the 3rd control signal.
Wherein, logical operation here refers to, by the first control signal and the second control signal according to signal square wave when
Sequence carries out logical operation, finally gives the 3rd control signal with the first control function and the second control function.
Step 103：The luminescence unit of display screen is controlled based on the 3rd control signal.
Wherein, display screen can be LCD display, and it has relatively low liquid crystal response time and higher refresh rate, example
Such as, the liquid crystal response time of the display screen in the present embodiment is less than 5 milliseconds, and refresh rate supports 120HZ.
And the luminescence unit of display screen can be with LED etc..
In the present embodiment, the luminescence unit of display screen is carried out based on the 3rd control signal with various control function
Control, as a result, luminescence unit produces a variety of illumination effects, and then cause display screen that there are a variety of display effects.
From such scheme, a kind of control method of the offer of the embodiment of the present application one, by the control for obtaining multiple functions
Signal processed, then to these control signals carry out logical operation after, obtain the control signal with various control function, then be based on
The control signal is controlled to the luminescence unit of display screen, and thus control display screen realizes multiple functions, such as BBL and CABC
Deng so as to provide the user more display screen usage experiences.
In one implementation, the present embodiment is carrying out logical operation to the first control signal and the second control signal
When, the 3rd control can be obtained to the first control signal and the second control signal according to the sequential progress and computing of signal square wave
Signal.As shown in Figure 2, the square wave X of the first control signal and square wave Y of the second control signal progress and logical operation, are obtained
The square wave Z of 3rd control signal, under the square wave Z of the 3rd control signal control, the luminescence unit of display screen can be simultaneously
Realize the second functional effect under the first functional effect and the second control signal under the first control signal.
In one implementation, the first control signal is used to carry out BBL controls to display screen, and the second control signal is used for
CABC controls are carried out to display screen, thus, the present embodiment passes through to the first control signal and the progress of the second control signal and logic
After computing, light emitting control is carried out to the luminescence unit of display screen based on the 3rd obtained control signal, so as to realize BBL simultaneously
Function and CABC functions.
With reference to figure 3, a kind of structural representation of the display screen provided for the embodiment of the present application two in the present embodiment, should
Display screen can be the display screens such as LCD, specifically, can include following structure in the display screen：
Luminescence unit 301, for lighting.
Wherein, luminescence unit 301 can be the luminescence units such as LED.
Control panel 302, for obtaining the first control signal and the second control signal, the first control signal and second are controlled
Signal processed carries out logical operation, obtains the 3rd control signal, and the luminescence unit 301 of display screen is entered based on the 3rd control signal
Row control.
Wherein, the first control signal is different with the second control signal, for example, the first control signal has the first control work(
Can, the luminescence unit 301 of the control display screen under the first control signal of control panel 302 produces the first illumination effect；Second control
Signal processed has the second control function, and the luminescence unit 301 of the control display screen under the second control signal of control panel 302 can
The second illumination effect is produced, the first illumination effect and the second illumination effect are different
For example, the luminescence unit 301 of the control display screen under the first control signal of control panel 302 is lighted, displaying
BBL display effect；The luminescence unit 301 of the control display screen under the second control signal of control panel 302 is lighted, and is produced
CABC display effect, and after control panel 302 carries out logical operation to the first control signal and the second control signal, obtain
To the 3rd control signal for being combined with BBL and CABC control functions, and under the 3rd control signal control display screen luminous list
Member 301 is lighted, while has BBL and CABC display effect.
From such scheme, a kind of display screen of the offer of the embodiment of the present application two, wherein the chain of command for passing through display screen
After plate carries out logical operation to the control signal of multiple functions of luminescence unit, obtain having the control of various control function to believe
Number, then the luminescence unit of display screen is controlled based on the control signal, thus control display screen realizes multiple functions, such as
BBL and CABC etc., so as to provide the user more display screen usage experiences.
In one implementation, control panel 302 can specifically be realized by following structure, as shown in Figure 4：
With gate 401, for carry out and logical operation.
Drive control chip 402, for obtaining the first control signal and the second control signal, by the first control signal and the
Two control signals carry out logical operation using with gate 401 according to the sequential of signal square wave, obtain the 3rd control signal, and base
The luminescence unit of display screen is controlled in the 3rd control signal.
As shown in Figure 2, drive control chip 402 is to the square wave X of the first control signal and the square wave Y of the second control signal
According to sequential using being carried out with gate 401 and logical operation, the 3rd control signal Z is obtained, drive control chip 402 is the 3rd
The luminescence unit of control display screen is lighted under control signal Z, while realizes the first control signal and the second control signal institute
Corresponding two kinds of functional effects, such as two kinds of display effects of BBL and CABC.
With reference to figure 5, the structural representation of a kind of electronic equipment provided for the embodiment of the present application three, the electronic equipment can be with
For mobile phone, pad or apparatus such as computer, in the present embodiment, the electronic equipment can include following structure：
Processor 501, for generating the first control signal and the second control signal.
Wherein, the first control signal is different with the second control signal.
Display screen 502, for obtaining the first control signal and the second control signal of the generation of processor 501, by the first control
Signal processed and the second control signal carry out logical operation, obtain the 3rd control signal, and based on the 3rd control signal to display screen
Luminescence unit be controlled.
Wherein, display screen 502 realize structure can as in Fig. 3 and Fig. 4 display screen realize structure.Exemplified by Fig. 6,
Electronic equipment includes processor (HOST processor/CPU (Central Processing Unit)) and display screen, shows
Included in display screen：LCD control panels panel, drive control chip Driver IC (integrated circuit), CPU
PMIC (Power Management IC), LEDS etc..
It should be noted that PMIC refers to backlight illumination control chip, for controlling the brightness of LCD, LCD is
Passive luminescent device is, it is necessary to which backlight, PMIC control LCD brightness by controlling LED brightness.Driver IC be by
The picture content signal that HOST processor are sent is changed, and the signal that being converted into LCD can identify is shown,
Driver IC also can carry out logical operation to the control signal that HOST processor are sent, with PWM (pulse width
Modulation, controlling pulse width modulation) signal feeds back to PMIC, from there through control PMIC current informations control LEDS's
Lamp brightness carrys out indirect control LCD brightness.
For example, the picture that user needs to see is included picture content information by the HOST processor in electronic equipment
Image data, picture brightness information such as BBL the first control signal and CABC the second control signal are sent to driver
IC, afterwards, the signal that picture content information is converted into LCD and can identified by Driver IC shown, at the same time,
Driver IC are to the first control signal and the second control signal carries out and logical operation, obtain the 3rd control signal, and with LED_
The form of PWM square-wave pulse signal passes to the luminescence unit LEDS of display screen CPU PMIC, after enabling PMIC, by
PMIC is based on the 3rd control signal control LEDS and lighted, while produces BBL and CABC display effect, the side of the first control signal
The ripple X and square wave Y of the second control signal passes through the waveform diagram such as figure for the square wave Z that the 3rd control signal is obtained with logical operation
Shown in 2.
For example, in the specific implementation, because the transmission of square-wave signal has a time delay, the square wave in Fig. 2 is actually transmitting
Dynamic fuzzy occurs when showing in the cycle duration for the respective numbers that can be postponed when on to LCD, as shown in Figure 7, LCD
Situation, therefore, can solve display screen dynamic fuzzy by BBL backlight black insertion technology using the scheme in the present embodiment
The problem of, at the same time, it can equally realize CABC display effect.
The a kind of electronic equipment provided from such scheme, the embodiment of the present application three, wherein by display screen to luminous
After the control signal of multiple functions of unit carries out logical operation, the control signal with various control function, then base are obtained
The luminescence unit of display screen is controlled in the control signal, thus control display screen realizes multiple functions, such as BBL and CABC
Deng so as to provide the user more display screen usage experiences.
It is noted that each embodiment in this specification is described by the way of progressive, each embodiment emphasis
What is illustrated is all the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of elements not only include that
A little key elements, but also the other element including being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except other identical element in the process including the key element, method, article or equipment being also present.
A kind of control method, display screen and electronic equipment provided herein are described in detail above, herein
In apply specific case the principle and embodiment of the application be set forth, the explanation of above example is only intended to help
Assistant solves the present processes and its core concept；Meanwhile for those of ordinary skill in the art, the think of according to the application
Think, in specific embodiments and applications there will be changes, in summary, this specification content should not be construed as pair
The limitation of the application.
Claims (7)
1. a kind of control method, applied to display screen, methods described includes：
The first control signal and the second control signal are obtained, first control signal is different from second control signal；
First control signal and second control signal are subjected to logical operation, obtain the 3rd control signal；
The luminescence unit of the display screen is controlled based on the 3rd control signal.
2. according to the method for claim 1, it is characterised in that by first control signal and second control signal
Logical operation is carried out, obtains the 3rd control signal, including：
By first control signal and second control signal is carried out according to the sequential of signal square wave and computing, obtains the 3rd
Control signal.
3. according to the method for claim 1, it is characterised in that first control signal is used to carry out the display screen
BBL is controlled；Second control signal is used to carry out CABC controls to the display screen.
4. a kind of display screen, including：
Luminescence unit, for lighting；
Control panel, for obtaining the first control signal and the second control signal, first control signal and the described second control
Signal processed is different, and first control signal and second control signal are carried out into logical operation, obtain the 3rd control signal,
And the luminescence unit of the display screen is controlled based on the 3rd control signal.
5. display screen according to claim 4, it is characterised in that the control panel includes：
With gate, for carry out and logical operation；
Drive control chip, for obtaining the first control signal and the second control signal, first control signal and described the
Two control signals are different, and first control signal and second control signal are utilized into described and gate according to signal side
The sequential of ripple carries out logical operation, obtains the 3rd control signal, and the hair based on the 3rd control signal to the display screen
Light unit is controlled.
6. display screen according to claim 4, it is characterised in that the luminescence unit comprises at least light emitting diode
(Light Emitting Diode, LED).
7. a kind of electronic equipment, including：
Processor, for generating the first control signal and the second control signal, first control signal and the described second control
Signal is different；
Display screen, for obtaining first control signal and second control signal, by first control signal and institute
State the second control signal and carry out logical operation, obtain the 3rd control signal, and based on the 3rd control signal to the display
The luminescence unit of screen is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858033.3A CN107369414B (en) | 2017-09-21 | 2017-09-21 | Control method, display screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858033.3A CN107369414B (en) | 2017-09-21 | 2017-09-21 | Control method, display screen and electronic equipment |
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| Publication Number | Publication Date |
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| CN107369414A true CN107369414A (en) | 2017-11-21 |
| CN107369414B CN107369414B (en) | 2020-02-21 |
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| CN201710858033.3A Active CN107369414B (en) | 2017-09-21 | 2017-09-21 | Control method, display screen and electronic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023028878A1 (en) * | 2021-08-31 | 2023-03-09 | 华为技术有限公司 | Signal processing circuit, emission system, laser radar, and terminal device |
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| CN101315748A (en) * | 2007-05-31 | 2008-12-03 | 中华映管股份有限公司 | Driving mechanism and method of display equipment |
| CN101770746A (en) * | 2008-12-29 | 2010-07-07 | 乐金显示有限公司 | Organic light emitting diode (led) display |
| CN104766587A (en) * | 2015-04-30 | 2015-07-08 | 京东方科技集团股份有限公司 | Scan driving circuit, driving method thereof, array substrate and display device |
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|---|---|---|---|---|
| CN101256291A (en) * | 2007-02-28 | 2008-09-03 | 群康科技(深圳)有限公司 | Crystal display device and driving method thereof |
| CN101315748A (en) * | 2007-05-31 | 2008-12-03 | 中华映管股份有限公司 | Driving mechanism and method of display equipment |
| CN101770746A (en) * | 2008-12-29 | 2010-07-07 | 乐金显示有限公司 | Organic light emitting diode (led) display |
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| WO2023028878A1 (en) * | 2021-08-31 | 2023-03-09 | 华为技术有限公司 | Signal processing circuit, emission system, laser radar, and terminal device |
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