CN109901693A - Method for managing power supply, power-supply management system and display system - Google Patents
Method for managing power supply, power-supply management system and display system Download PDFInfo
- Publication number
- CN109901693A CN109901693A CN201910026740.5A CN201910026740A CN109901693A CN 109901693 A CN109901693 A CN 109901693A CN 201910026740 A CN201910026740 A CN 201910026740A CN 109901693 A CN109901693 A CN 109901693A
- Authority
- CN
- China
- Prior art keywords
- value
- brightness value
- brightness
- maximum
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
This application discloses a kind of method for managing power supply, power-supply management system and display systems.The method for managing power supply includes: to show that data obtain average brightness value and maximum brightness value according to an at least frame；Brightness degree parameter is calculated according to the average brightness value and the maximum brightness value；And supply voltage is provided according to the brightness degree parameter.The method for managing power supply shows that brightness degree parameter is calculated in the average brightness value of data and maximum brightness value according to an at least frame, supply voltage is provided to display device according to brightness degree parameter, to avoid when showing the higher picture of picture local luminance, the problem of local voltage deficiency.
Description
Technical field
The present invention relates to field of display technology, more particularly, to a kind of method for managing power supply, power-supply management system and show
Show system.
Background technique
In existing display system, including processor, display driver chip and display device, display driver chip are based on
The display data and driving signal sent from processor drive display device.In order to which the image shown by display device is not sent out
While raw change, the power consumption of display device is minimized, is provided with dynamic power management (Dynamic in display driver chip
Power Management, DPM) system, DPM system is changed by the display picture average brightness value that real time monitoring updates, dynamic
State adjusts power management chip and exports to the voltage value size of display device, so as to achieve the purpose that save power consumption.
The block diagram of the power-supply management system of the prior art is as shown in Figure 1, include that average value obtains module 110 and grade classification
Unit 150.The flow chart of the method for managing power supply of the prior art is as shown in Figure 2.After power-supply management system receives display data, put down
Mean value obtains the average brightness value that module 110 calculates display picture, and grade classification unit 150 divides brightness degree.According to
The division result of brightness degree adjusts the supply voltage for being conveyed to the driving circuit of display device.Power-supply management system is according to whole
Supply voltage is adjusted in the average brightness value of a display picture, and the entire picture of influence that supply voltage can be of overall importance is aobvious
Show.When showing in picture that it is brighter that there are regional areas in a frame, when the darker situation in most of region, the display of whole image
Average brightness value is lower, and the prior art will be lower according to the supply voltage that display average brightness value is adjusted out, can make brighter office
There is the problem of can not normally showing because supply voltage is too low in portion region.
Therefore, it needs that the power-supply management system and method for managing power supply of the prior art is further improved, to keep away
Exempt from the higher display picture of display local luminance, the problem of local voltage deficiency guarantees at each pixel of display device
It can show the display picture with target display brightness.
Summary of the invention
In view of the above problems, the purpose of the present invention is to provide a kind of method for managing power supply, power-supply management system and displays
System, wherein show that brightness degree parameter, root is calculated in the average brightness value of data and maximum brightness value according to an at least frame
Supply voltage is provided to display device according to brightness degree parameter, to avoid in the higher picture of display local luminance, part is electric
Press insufficient problem.
According to an aspect of the present invention, a kind of method for managing power supply of method for managing power supply display device is provided, comprising: root
Show that data obtain average brightness value and maximum brightness value according to an at least frame；According to the average brightness value and the maximum brightness
Brightness degree parameter is calculated in value；And supply voltage is provided to the display device according to the brightness degree parameter.
Preferably, the method for maximum brightness value is obtained the following steps are included: the initial value that temporary value is arranged is zero；Successively will
The pixel brightness value of each of at least frame display data pixel is more described current as current pixel brightness value
Pixel brightness value and the temporary value, the current pixel brightness value is worth as a result with biggish one in the temporary value
Output, and the temporary value is updated according to the end value, wherein include when completing to show in data an at least frame
After the comparison of each pixel brightness value, the updated temporary value is exported as maximum brightness value.
Preferably, the method that brightness degree parameter is calculated includes: to the first weighting coefficient and the average brightness value
With the carry out multiplying of the first weighting coefficient, with obtain the first product and；To the second weighting coefficient and the maximum brightness
Value carries out multiplying with the second weighting coefficient, to obtain second product；To the second product described in first sum of products into
Row add operation, thus to obtain synthesis brightness value corresponding at least frame display data；And according to the synthesis
Numerical intervals where brightness value obtain the corresponding brightness degree parameter.
Preferably, the brightness degree parameter and the supply voltage are positively correlated.
According to another aspect of the present invention, a kind of power-supply management system is provided, comprising: average value obtains module, is used for root
Show that data obtain average brightness value according to an at least frame；Maximum value obtains module, for showing in data in an at least frame
Extract maximum brightness value；Brightness degree ginseng is calculated according to the average brightness value and the maximum brightness value in synthesis module
Number；And voltage output module, supply voltage, the display dress are provided to the display device according to the brightness degree parameter
It sets and picture brightness is adjusted according to the supply voltage.
Preferably, it includes: comparator that the maximum value, which obtains module, is wrapped for receiving in at least frame display data
The pixel brightness value of each pixel contained, and successively using the pixel brightness value of each pixel as current pixel brightness
Value, the current pixel brightness value and temporary value, will be biggish one in the current pixel brightness value and the temporary value
A value output as a result, and the temporary value is updated according to the end value；And memory, it is described temporary for storing
Value, and the temporary value is updated according to the end value, when the comparator is completed to show in data an at least frame
After the reception of each pixel brightness value is compared with, the memory is defeated as maximum brightness value by the updated temporary value
Out.
Preferably, the synthesis module includes: arithmetic element, obtains module with the average value and the maximum value obtains
Module is connected, for carrying out multiplying to the average brightness value and the first weighting coefficient, to obtain the first product, to described
Maximum brightness value and the second weighting coefficient carry out multiplying, to obtain the second product, to second described in first sum of products
Product carry out add operation to the product of the first weighting coefficient and the average brightness value and the second weighting coefficient and it is described most
The product of big brightness value carries out add operation, thus to obtain synthesis brightness value corresponding at least frame display data；
And grade classification unit, the numerical intervals where the synthesis brightness value provide the corresponding brightness degree parameter.
Preferably, the brightness degree parameter and the supply voltage are positively correlated.
Preferably, the voltage output module is realized by power management chip, and the average value obtains module, the maximum
Value obtains module and the synthesis module is integrated in same chip.
According to another aspect of the present invention, a kind of display system is provided, comprising: power-supply management system as described above；It is main
Machine, serial provide show data described in multiframe；And the display device, picture brightness is adjusted according to the supply voltage.
Method for managing power supply, power-supply management system and display system provided by the invention show data according to an at least frame
Average brightness value and maximum brightness value brightness degree parameter is calculated, according to brightness degree parameter to display device provide electricity
Source voltage avoids while reducing power consumption so as to take into account whole display brightness and the local display brightness of display picture
In the higher picture of display local luminance, the problem of local voltage deficiency.
Detailed description of the invention
By referring to the drawings to the description of the embodiment of the present invention, above-mentioned and other purposes of the invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the block diagram of power-supply management system according to prior art.
Fig. 2 shows the flow charts of method for managing power supply according to prior art.
Fig. 3 shows the block diagram of display system according to an embodiment of the present invention.
Fig. 4 shows the schematic diagram of the output characteristic curve of power-supply management system according to an embodiment of the present invention.
Fig. 5 shows the block diagram of power-supply management system according to an embodiment of the present invention.
Fig. 6 shows the flow chart of method for managing power supply according to an embodiment of the present invention.
Reference signs list
10 processors
20 display driver chips
21 power-supply management systems
30 display devices
100 power-supply management systems
110 average values obtain module
120 grade classification units
200 control chips
210 average values obtain module
220 maximum values obtain module
221 comparators
222 memories
230 synthesis modules
231 arithmetic elements
232 grade classification units
300 power management chips
Specific embodiment
The various embodiments that the present invention will be described in more detail that hereinafter reference will be made to the drawings.In various figures, identical element
It is indicated using same or similar appended drawing reference.For the sake of clarity, the various pieces in attached drawing are not necessarily to scale.
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.
Fig. 3 shows the block diagram of display system.
Display system includes processor 10, display driver chip 20 and display device 30.
Processor 10 can control the integrated operation of display system.Processor 10 can be generated control signal and with will be aobvious
The corresponding display data of the image shown on showing device 30, and display driver chip is sent by display data and control signal
20.Processor 10 can will show that data and control signal are sent to display driver chip 20 via interface, and display data include
Pixel data.
Display driver chip 20 is used to receive the display data sent from processor 10 and control signal, to drive display to fill
Set 30.Drive module 20 can handle display data based on control signal, to generate picture signal and send picture signal
To display device 30.
Power-supply management system 21 is provided in display driver chip 20, power-supply management system 21 includes power management chip
300, power management chip 300 is used to provide supply voltage to the driving circuit of display device 30.In order in 30 institute of display device
While the image of display does not change, the power consumption of display device 30 is minimized, is additionally provided in power-supply management system 21
Control chip 200.The input terminal for controlling chip 200 receives the display data that processor 10 is sent, and output end is to power management core
Piece 300 sends the voltage control signal containing brightness degree parameter.Control the display picture that chip 200 is updated by real time monitoring
Average brightness value variation, dynamic regulation power management chip 300 are exported to the voltage value size of display device, so as to reach
Save the purpose of power consumption.In this embodiment, power management chip 300 is integrated in display driver chip 20.In the reality of substitution
It applies in example, discrete power management chip 300 and display driver chip 20 can be used, display driver chip 20 includes control core
Piece 200, control chip 200 exports the voltage control signal containing brightness degree parameter to power management chip 300, for adjusting
Power management chip 300 is exported to the voltage value size of display device 30.
Display device 30 may include the multiple pixels being arranged in the matrix including row and column, and be based on driving from display
The picture signal that dynamic chip 20 is sent shows image as unit of frame.Display device 30 is for example including liquid crystal display, luminous two
One of pole pipe display, OLED display, Plasmia indicating panel or electrophoretic display panel are a variety of.
Fig. 4 shows the schematic diagram of the output characteristic curve of power-supply management system.
The X axis coordinate Yavg of the output characteristic curve of power-supply management system indicates being averaged for all pixels of a certain frame picture
The synthesis brightness value that brightness value and maximum brightness value obtain after being integrated, Y axis coordinate indicate that power-supply management system is supplied to
The size of the supply voltage of display device.Power-supply management system is divided into multiple grades for brightness value is synthesized, to obtain brightness degree
Parameter, control chip according to brightness degree parameter adjust its output voltage control signal, thus power management chip energy according to
Brightness degree parameter exports different size of voltage.For example, if synthesis brightness value 0 between TH1, brightness degree parameter
It is 1；If synthesizing brightness value in TH1 between TH2, brightness degree parameter is 2.Brightness degree parameter and supply voltage positive
It closes, brightness degree parameter is bigger, exports bigger to the supply voltage of display device.
Fig. 5 shows the block diagram of power-supply management system according to an embodiment of the present invention.
The control chip 200 of the embodiment of the present invention includes that average value obtains module 210, maximum value obtains module 220, synthesis
Module 230 and power supply output module, power supply output module is for example including power management chip 300.
Average value obtains the display data that module 210 is used to receive processor transmission, and is calculated according to display data
The average brightness value of picture entirety display brightness is shown to a frame, and the data of average brightness value are sent to arithmetic element 231
First input end.
Maximum value obtains the display data that module 220 is used to receive processor transmission, and second to arithmetic element 231 is defeated
Enter the maximum brightness value in end input one frame display picture.It includes comparator 221 and memory 222 that maximum value, which obtains module 220,.
Comparator 221 is used to receive the display data of processor transmission, and successively that the pixel for showing each of data pixel is bright
Temporary value in memory 222 is compared by angle value as current pixel brightness value with current pixel brightness value, and will be current
Biggish one is worth output to memory 222 as a result in pixel brightness value and temporary value.Memory 222 is temporary for storing
Value, and temporary value is updated according to end value.Comparator 221 start to compare first pixel pixel brightness value and temporary value it
Before, or after comparator 221 completes the comparison to each pixel brightness value in display data, be arranged in memory 222
The initial value of temporary value be zero.When comparator 221 completes the reception to each pixel brightness value in display data compared with
Later, memory 222 exports the to arithmetic element 231 to memory 222 using updated temporary value as maximum brightness value
Two input terminals.
Synthesis module 230 includes arithmetic element 231 and grade classification unit 232.The first input end of arithmetic element 231 is used
The average brightness value for showing picture that module 210 is sent is obtained in receiving average value, the second input terminal is obtained for receiving maximum value
The maximum brightness value that modulus block 220 is sent.Arithmetic element 231 carries out multiplying to average brightness value and the first weighting coefficient,
To obtain the first product；Multiplying is carried out to maximum brightness value and the second weighting coefficient, to obtain the second product；Multiply to first
Long-pending and the second product carries out add operation, to obtain synthesis brightness value corresponding at least frame display data.First weighting
Coefficient and the second weighting coefficient can be adjusted according to actual needs, and the first weighting coefficient is, for example, a%, the second weighting coefficient
For example, b%.Such as the maximum brightness value of the average brightness value of a% and b% are subjected to add operation, to obtain synthesis brightness
Value, wherein a and b is any real number greater than 0 and less than 100.
Grade classification unit 232 is used to receive the synthesis brightness value of arithmetic element transmission, according to where synthesis brightness value
Numerical intervals provide corresponding brightness degree parameter, and are adjusted according to brightness degree parameter to the transmission of power management chip 300
Voltage control signal.Grade classification unit 232 is sent to the arteries and veins in the voltage control signal of power management chip 300 comprising voltage
Rush number.Power-supply management system is received according to after brightness degree parameter voltage control signal adjusted, is joined according to brightness degree
The pulse number for including in number provides different size of supply voltage to display device, so that having reached can provide to display device
Take into account the purpose of the average brightness value of display picture and the supply voltage of maximum brightness value.
Fig. 6 shows the flow chart of method for managing power supply according to an embodiment of the present invention.
In step sl, the average brightness value of display data is obtained.Display data, power supply pipe are inputted to power-supply management system
After average value in reason system obtains module reception display data, display data are handled, it is aobvious to obtain display picture entirety
Show the average brightness value of brightness.Then the average brightness value is sent to arithmetic element.
In step s 2, the maximum brightness value of display data is extracted.Display data, power supply pipe are inputted to power-supply management system
After maximum value in reason system obtains module reception display data, the pixel intensity of each of data pixel will be successively shown
Value is used as current pixel brightness value, compares current pixel brightness value and temporary value, will currently connect in pixel brightness value and temporary value
It is biggish one as maximum brightness value export, when complete to display data in include each pixel brightness value ratio compared with
Afterwards, which is sent to arithmetic element.
In step s3, average brightness value and maximum brightness value are integrated.The first input end of arithmetic element receives
Average value obtains the average brightness value for the display picture that module is sent, and the second input terminal receives maximum value acquisition module and sends most
Big brightness value.Arithmetic element is to the product of the first weighting coefficient and average brightness value and the second weighting coefficient and maximum brightness value
Product carry out add operation, thus obtain with the corresponding synthesis brightness value of display data, and be sent to brightness value is synthesized
Grade division unit.
In step s 4, brightness degree parameter is obtained.Grade classification unit receives synthesis brightness value, according to synthesis brightness value
The numerical intervals at place obtain corresponding brightness degree parameter.
In step s 5, regulating power source voltage.Grade classification unit is sent to power supply pipe according to the adjustment of brightness degree parameter
The voltage control signal of chip is managed, grade classification unit is sent in the voltage control signal of power management chip comprising voltage
Pulse number.After power-supply management system receives voltage control signal, according to the pulse number for including in voltage control signal to aobvious
Showing device provides different size of supply voltage, so that the average brightness for taking into account display picture can be provided to display device by having reached
The purpose of value and the supply voltage of maximum brightness value.
It is as described above according to the embodiment of the present invention, these embodiments details all there is no detailed descriptionthe, also not
Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right
The limitation of claim and its full scope and equivalent.
Claims (10)
1. a kind of method for managing power supply characterized by comprising
Show that data obtain average brightness value and maximum brightness value according to an at least frame；
Brightness degree parameter is calculated according to the average brightness value and the maximum brightness value；And
Supply voltage is provided according to the brightness degree parameter.
2. method for managing power supply according to claim 1, which is characterized in that the method for obtaining maximum brightness value includes following
Step:
The initial value that temporary value is arranged is zero；
Successively using an at least frame show the pixel brightness value of each of data pixel as current pixel brightness value, than
The current pixel brightness value and the temporary value, will be biggish one in the current pixel brightness value and the temporary value
Value output as a result, and the temporary value is updated according to the end value,
Wherein, it after completing to show the comparison for each pixel brightness value for including in data to an at least frame, will update
The temporary value afterwards is exported as maximum brightness value.
3. method for managing power supply according to claim 1, which is characterized in that the method packet of brightness degree parameter is calculated
It includes:
Multiplying is carried out to the average brightness value and the first weighting coefficient, to obtain the first product；
Multiplying is carried out to the maximum brightness value and the second weighting coefficient, to obtain the second product；
Add operation is carried out to the second product described in first sum of products, shows that data are corresponding with an at least frame to obtain
Synthesis brightness value；And
Numerical intervals where the synthesis brightness value obtain the corresponding brightness degree parameter.
4. method for managing power supply according to claim 1, which is characterized in that the brightness degree parameter and the power supply
Voltage is positively correlated.
5. a kind of power-supply management system characterized by comprising
Average value obtains module, for showing that data obtain average brightness value according to an at least frame；
Maximum value obtains module, extracts maximum brightness value for showing in data in an at least frame；
Brightness degree parameter is calculated according to the average brightness value and the maximum brightness value in synthesis module；And
Voltage output module provides supply voltage, the display device to the display device according to the brightness degree parameter
Picture brightness is adjusted according to the supply voltage.
6. power-supply management system according to claim 5, which is characterized in that the maximum value obtains module and includes:
Comparator shows the pixel brightness value for each pixel for including in data for receiving an at least frame, and successively
Using the pixel brightness value of each pixel as current pixel brightness value, the current pixel brightness value and temporary
Value, by biggish one in the current pixel brightness value and temporary value value output as a result；And
Memory updates the temporary value for storing the temporary value, and according to the end value, when the comparator is completed
To an at least frame show data in each pixel brightness value reception compared with after, the memory will be updated
The temporary value is exported as maximum brightness value.
7. power-supply management system according to claim 5, which is characterized in that the synthesis module includes:
Arithmetic element obtains module with the average value and the maximum value obtains module and is connected, for the average brightness
Value carries out multiplying with the first weighting coefficient, to obtain the first product, to the maximum brightness value and the second weighting coefficient into
Row multiplying carries out the add operation of add operation row to the second product described in first sum of products to obtain the second product,
To obtain synthesis brightness value corresponding at least frame display data；And
Grade classification unit, the numerical intervals where the synthesis brightness value provide the corresponding brightness degree parameter.
8. power-supply management system according to claim 5, which is characterized in that the brightness degree parameter and power supply electricity
Positive pressure is related.
9. power-supply management system according to claim 5, which is characterized in that the voltage output module is by power management core
Piece realizes that the average value obtains module, the maximum value obtains module and the synthesis module is integrated in same chip.
10. a kind of display system characterized by comprising
Such as the described in any item power-supply management systems of claim 5 to 9；
Host, serial provide show data described in multiframe；And
The display device adjusts picture brightness according to the supply voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026740.5A CN109901693A (en) | 2019-01-11 | 2019-01-11 | Method for managing power supply, power-supply management system and display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910026740.5A CN109901693A (en) | 2019-01-11 | 2019-01-11 | Method for managing power supply, power-supply management system and display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109901693A true CN109901693A (en) | 2019-06-18 |
Family
ID=66943675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910026740.5A Pending CN109901693A (en) | 2019-01-11 | 2019-01-11 | Method for managing power supply, power-supply management system and display system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109901693A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113282157A (en) * | 2021-05-11 | 2021-08-20 | 深圳市乐得瑞科技有限公司 | Control method of display device and display device |
| WO2024016489A1 (en) * | 2022-07-21 | 2024-01-25 | 硅谷数模(苏州)半导体股份有限公司 | Method for adjusting output electrical signal of power management chip and screen driver board |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002055326A (en) * | 2001-05-28 | 2002-02-20 | Hitachi Ltd | Liquid crystal display device |
| CN1591531A (en) * | 2003-08-27 | 2005-03-09 | 株式会社日立制作所 | Image display apparatus, display unit driver and image display method for the same |
| US20070008297A1 (en) * | 2005-04-20 | 2007-01-11 | Bassetti Chester F | Method and apparatus for image based power control of drive circuitry of a display pixel |
| CN101785044A (en) * | 2007-10-25 | 2010-07-21 | 夏普株式会社 | Image display device |
| CN106409258A (en) * | 2016-09-12 | 2017-02-15 | 友达光电股份有限公司 | Control method |
| CN106847178A (en) * | 2017-04-11 | 2017-06-13 | 深圳市华星光电技术有限公司 | A kind of device and method for reducing oled panel power consumption |
| CN108156533A (en) * | 2017-12-28 | 2018-06-12 | 深圳Tcl新技术有限公司 | Smart television backlight adjusting method, smart television and storage medium |
| CN108831409A (en) * | 2018-04-23 | 2018-11-16 | 遵义师范学院 | A kind of image display driving method |
| CN109064966A (en) * | 2018-10-31 | 2018-12-21 | 武汉天马微电子有限公司 | Driving method and driving chip of display panel and display device |
-
2019
- 2019-01-11 CN CN201910026740.5A patent/CN109901693A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002055326A (en) * | 2001-05-28 | 2002-02-20 | Hitachi Ltd | Liquid crystal display device |
| CN1591531A (en) * | 2003-08-27 | 2005-03-09 | 株式会社日立制作所 | Image display apparatus, display unit driver and image display method for the same |
| US20070008297A1 (en) * | 2005-04-20 | 2007-01-11 | Bassetti Chester F | Method and apparatus for image based power control of drive circuitry of a display pixel |
| CN101785044A (en) * | 2007-10-25 | 2010-07-21 | 夏普株式会社 | Image display device |
| CN106409258A (en) * | 2016-09-12 | 2017-02-15 | 友达光电股份有限公司 | Control method |
| CN106847178A (en) * | 2017-04-11 | 2017-06-13 | 深圳市华星光电技术有限公司 | A kind of device and method for reducing oled panel power consumption |
| CN108156533A (en) * | 2017-12-28 | 2018-06-12 | 深圳Tcl新技术有限公司 | Smart television backlight adjusting method, smart television and storage medium |
| CN108831409A (en) * | 2018-04-23 | 2018-11-16 | 遵义师范学院 | A kind of image display driving method |
| CN109064966A (en) * | 2018-10-31 | 2018-12-21 | 武汉天马微电子有限公司 | Driving method and driving chip of display panel and display device |
Non-Patent Citations (1)
| Title |
|---|
| 甘勇等: "《C语言程序设计[M]》", 30 September 2015 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113282157A (en) * | 2021-05-11 | 2021-08-20 | 深圳市乐得瑞科技有限公司 | Control method of display device and display device |
| WO2024016489A1 (en) * | 2022-07-21 | 2024-01-25 | 硅谷数模(苏州)半导体股份有限公司 | Method for adjusting output electrical signal of power management chip and screen driver board |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109983527B (en) | Display device and driving method of display panel | |
| CN108281125B (en) | Method, device and equipment for adjusting backlight brightness according to human eye characteristics | |
| CN101673521B (en) | Liquid crystal display device and method for processing digital image signal | |
| CN101599258B (en) | Liquid crystal display wall and control method thereof | |
| CN103310765B (en) | Backlight illumination compensation method and display device | |
| KR102662813B1 (en) | Host Content Adaptive Backlight Control (CABC) and Local Dimming | |
| CN101436394B (en) | Liquid crystal display adjustment device, liquid crystal display device and image signal processing method | |
| CN113299245B (en) | Method and device for adjusting local backlight of display equipment, display equipment and storage medium | |
| CN105185353A (en) | Liquid crystal display brightness control method and device, and liquid crystal display equipment | |
| CN105528994A (en) | Method and system for reducing power consumption of display panel | |
| CN104050934A (en) | Backlight adjusting method, backlight adjusting system and display device | |
| CN103077684A (en) | Backlight adjusting method, device and display screen | |
| CN103430230B (en) | Video display devices | |
| CN106297731A (en) | Strengthen the method and device of picture contrast, display screen and intelligent terminal | |
| CN105976770B (en) | A kind of method, apparatus and system of control dim signal | |
| JP6804659B2 (en) | LED display system and LED display device | |
| CN101364384A (en) | Method and apparatus for liquid crystal image processing | |
| JP2015152921A (en) | display device | |
| CN102651201B (en) | Dynamic control method of edge light LED (Light Emitting Diode) backlight | |
| WO2019061849A1 (en) | Brightness adjustment method and brightness adjustment device for display panel | |
| CN101281733A (en) | Liquid crystal display method | |
| CN109901693A (en) | Method for managing power supply, power-supply management system and display system | |
| CN109493813A (en) | A kind of display control method, relevant apparatus and computer-readable medium | |
| CN105139814A (en) | Liquid crystal display and display method thereof | |
| CN101329459B (en) | LCD device and apparatus for processing signals |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190618 |
|
| RJ01 | Rejection of invention patent application after publication |