CN102184712B - Method and device for demonstrating matrix backlight and display equipment - Google Patents
Method and device for demonstrating matrix backlight and display equipment Download PDFInfo
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- CN102184712B CN102184712B CN 201110129412 CN201110129412A CN102184712B CN 102184712 B CN102184712 B CN 102184712B CN 201110129412 CN201110129412 CN 201110129412 CN 201110129412 A CN201110129412 A CN 201110129412A CN 102184712 B CN102184712 B CN 102184712B
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Abstract
The invention is suitable for the field of matrix backlight and provides a method and a device for demonstrating the matrix backlight and display equipment. The method comprises the following steps of: starting a matrix backlight function of the display equipment; dividing a screen of the display equipment into at least two regions, setting one region as a white screen and ensuring that a normal image is displayed in the other region; and carrying out matrix backlight processing on the full screen of the display equipment by using a matrix backlight control module of the display equipment. In the invention, the screen is divided into at least two parts and the full screen of the display equipment is subjected to matrix backlight processing by the matrix backlight control module, so that a user can clearly and visually see the change of the matrix backlight from the white screen region of the screen. Moreover, by regulating the backlight brightness degrees of different matrixes, the gradation of a picture is obviously promoted, the power consumption can be reduced and the visual fatigue is effectively relieved.
Description
Technical field
The invention belongs to the matrix backlight field, relate in particular to a kind of matrix backlight demenstration method, device and display device.
Background technology
At present, a lot of display devices (as liquid crystal display etc.) have the matrix backlight function.The matrix backlight function of display device refers to that display device can be according to the backlight function of carrying out local brightness variation control of picture material to respective regions.Display device with matrix backlight function can reach image repetition effect preferably.Simultaneously, by the control to local backlight illumination, also can reduce Overall Power Consumption.In order to allow the user understand the matrix backlight function of display device, generally all need the matrix backlight function of display device is demonstrated.
The demenstration method of existing matrix backlight is generally by playing specific demonstration video or picture, demonstrating in conjunction with the variation of power meter dynamic demonstration complete machine power input simultaneously.This demenstration method can't demonstrate out clearly the backlight of screen zones of different is how to carry out brightness according to the variation of picture material to change.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of matrix backlight demenstration method, device and display device, is intended to solve to demonstrate out clearly the backlight of screen zones of different is how to carry out according to the variation of picture material the problem that brightness changes.
The embodiment of the present invention is achieved in that a kind of matrix backlight demenstration method, and described method comprises:
Open the matrix backlight function of display device;
The matrix backlight demo mode being set, comprising that the screen with display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image; Perhaps, full screen display normal picture;
Choose instruction according to the different matrix backlight demo mode that the user sends, different variate-values is set, to enter different matrix backlight demo modes;
Matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
Another purpose of the embodiment of the present invention is to provide a kind of matrix backlight apparatus for demonstrating, and described device comprises:
The unit of opening backlight, the matrix backlight function that is used for opening display device;
The screen divider unit is used for the matrix backlight demo mode is set, and comprises that the screen with display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image; Perhaps, full screen display normal picture; And choose instruction according to the different matrix backlight demo mode that the user sends, different variate-values is set, to enter different matrix backlight demo modes;
Backlight display unit is used for matrix backlight control module by display device and the full screen of display device is carried out matrix backlight processes.
Another purpose of the embodiment of the present invention is to provide the display device that comprises described matrix backlight apparatus for demonstrating.
In embodiments of the present invention, owing to screen being divided into two parts at least, by the matrix backlight control module, the full screen of display device is carried out matrix backlight and process, thereby the user can see the variation backlight of matrix backlight clear, intuitively by the white screen zone of screen.And by regulating the bright-dark degree backlight of different matrixes, significantly promoted the picture stereovision, and can reduce power consumption, effectively alleviated visual fatigue.
Description of drawings
Fig. 1 is the structural drawing that matrix backlight module that the embodiment of the present invention provides is positioned at the display device with matrix backlight function on the TCON plate;
The matrix backlight module that Fig. 2 embodiment of the present invention provides is positioned at the structural drawing of the display device with matrix backlight function on mainboard;
Fig. 3 is the matrix backlight demenstration method process flow diagram that the embodiment of the present invention provides;
Fig. 4 is the method flow diagram that passes through the matrix backlight control module realization matrix demonstration backlight on the TCON plate that the embodiment of the present invention provides;
Fig. 5 is the method flow diagram that passes through the matrix backlight control module realization matrix demonstration backlight on mainboard that the embodiment of the present invention provides;
Fig. 6 is the matrix backlight apparatus for demonstrating schematic diagram that the embodiment of the present invention provides.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
The embodiment of the present invention is divided into two zones by the screen with display device, is white screen with one of them region division, and another zone shows normal image.And according to the matrix backlight control module by display device, the full screen of display device is carried out matrix backlight and process.
The invention provides a kind of matrix backlight demenstration method and device:
Described method comprises:
Open the matrix backlight function of display device;
The screen of display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image;
Matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
Described device comprises:
The unit of opening backlight, the matrix backlight function that is used for opening display device;
The screen divider unit is used for the screen of display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image;
Backlight display unit is used for matrix backlight control module by display device and the full screen of display device is carried out matrix backlight processes.
For technical solutions according to the invention are described, describe below by specific embodiment.
In embodiments of the present invention, due to the position difference at matrix backlight control module place, the structure with display device of matrix backlight function has two kinds, as shown in Figures 1 and 2.
Wherein, Fig. 1 is the structure that the matrix backlight module is positioned at the display device with matrix backlight function on the TCON plate, at this moment, at first control realization matrix demonstration backlight by the matrix backlight control module on the TCON plate, mainboard is connected with matrix backlight control module on the TCON plate by two control lines, and the matrix backlight control module on the TCON plate is controlled the matrix backlight variation of screen by these two control lines.Simultaneously, the matrix backlight control module on the TCON plate is connected with mainboard by a matrix backlight functional interface control line En, is used for controlling whether open the matrix backlight function.
Fig. 2 is the structure that the matrix backlight module is positioned at the display device with matrix backlight function on mainboard, and directly come gating matrix backlight by the MCU on mainboard this moment.
Embodiment one:
Be illustrated in figure 3 as the process flow diagram of matrix backlight demenstration method provided by the invention, for convenience of explanation, only show the part relevant to the embodiment of the present invention.
In step S301, open the matrix backlight function of display device.
In step S302, the screen of display device is divided at least two zones, be white screen with one of them region division, another zone shows normal image.
In embodiments of the present invention, screen can be divided into two zones, and wherein whole pixels in any one zone being set to On, is white screen thus with this region division.Can be by any direction dividing screen areas, different modes according to dividing screen areas, the zone that white screen is set can be the optional position of screen, for example: if be left and right two parts with screen divider, can be white screen with left area or the right region division arbitrarily; If be up and down two parts with screen divider, upper area or lower zone are set to Bai Ping etc. arbitrarily.Wherein, be two parts with screen divider, can divide in any proportion, as can be by the various ratio cut partitions such as 1 to 1,1 to 2,1 to 3, size be determined according to division proportion in two zones after screen divider.Simultaneously, can divide by arbitrary shape.
In another embodiment of the present invention, can more clearly contrast the bright dark situation of matrix backlight in order to make the user, step S302 also comprises the full screen display normal picture.
In step S303, the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
In embodiments of the present invention, after screen was divided into two zones, the matrix backlight control module by display device was carried out matrix backlight to the full screen of display device and is processed, the variation backlight of demonstration matrix backlight on screen.At this moment, because the regional pixel of white screen is set up for On, therefore can't see the demonstration of normal picture.Simultaneously, can't see normal image exactly because also shield in vain the zone, therefore clearly display matrix backlight bright dark variation backlight.And the variation backlight of matrix backlight can not clearly be seen owing to showing normal picture in another zone.Therefore, by watching matrix backlight variation and another regional normal picture in white screen zone, can be clearly the variation backlight backlight of user's illustrative matrix.
In embodiments of the present invention, owing to screen being divided into two parts at least, by the matrix backlight control module, the full screen of display device is carried out matrix backlight and process, thereby the user can see the variation backlight of matrix backlight clear, intuitively by the white screen zone of screen.And by regulating the bright-dark degree backlight of different matrixes, significantly promoted the picture stereovision, and can reduce power consumption, effectively alleviated visual fatigue.Simultaneously, if the market adopts aforesaid way to demonstrate matrix backlight on display device, client can effectively excite their desire to purchase due to the variation backlight that can see intuitively matrix backlight.
Embodiment two:
In embodiments of the present invention, being positioned at TCON(Timing Controller, time schedule controller with matrix backlight control module shown in Figure 4) mode of controlling realization matrix demonstration backlight on plate illustrates how specific implementation split screen matrix backlight shows.Be illustrated in figure 2 as the method flow diagram of controlling realization matrix demonstration backlight by the matrix backlight control module on the TCON plate provided by the invention, for convenience of explanation, only show the part relevant to the embodiment of the present invention.
In embodiments of the present invention, control realization matrix demonstration backlight by the matrix backlight control module on the TCON plate, at first mainboard is connected with matrix backlight control module on the TCON plate by two control lines, the matrix backlight that matrix backlight control module on the TCON plate is controlled screen by these two control lines changes, these two control lines are according to the difference of the communications protocol that adopts, can be different control lines, if adopt I
2The C communications protocol is I
2The C connection.Simultaneously, the matrix backlight control module on the TCON plate is connected with mainboard by a matrix backlight functional interface control line En, is used for controlling whether open the matrix backlight function.When En is set to high level, open the matrix backlight function, can enter the matrix backlight demo mode simultaneously; When En is low level, close the matrix backlight function, can not enter the matrix backlight demo mode.
In step S401, judge whether to open the matrix backlight function, be execution in step S403, otherwise execution in step S402.
In step S402, MCU (Micro Control Unit, micro-control unit) is output function with the function setting of IO mouth En, and output level is set to low level simultaneously.
In embodiments of the present invention, if do not need to open the matrix backlight function, MCU is output function with the function setting of IO mouth En, and output level is set to low level simultaneously.
In step S403, MCU is output function with the function setting of IO mouth En, and output level is set to high level simultaneously.
In embodiments of the present invention, if need to open the matrix backlight function, MCU is output function with the function setting of IO mouth En, and output level is set to high level simultaneously.
In step S404, full screen display normal picture or the screen of display device is divided at least two zones, be white screen with one of them region division, another zone shows normal image, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.
In embodiments of the present invention, come specific implementation that the screen of display device is divided at least two zones by the default multiple matrix backlight demo mode of the matrix backlight module on the TCON plate, be white screen with one of them region division, another zone shows normal image, or the full screen display normal picture, then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.And be preset with variables D ata in order to represent various matrix backlight demo modes, and choose instruction according to the different demo mode that the user sends, different Data values is set, enter different matrix backlight demo modes.Be 1 as Data, expression enters the first matrix backlight demo mode; Data is 2, and expression enters the second matrix backlight demo mode; Data is 3, and expression enters the third matrix backlight demo mode.In embodiments of the present invention, the obtain manner of the value of variables D ata can have multiple, can send by various communications protocol.
The below will be with I
2The C communications protocol is the mode that example describes the value of obtaining variables D ata in detail.At first, MCU is at I
2Send the I of a standard on the C bus
2C communication commencing signal (START) represents to begin I
2The C communication.Then send on the TCON plate be used for gating matrix backlight control module backlight device address (DeviceAddress) to backlight control module, backlight control module is after receiving the device address, send an ack signal to MCU, after MCU receives ACK, send I
2The control address of C order (therefore be word Address, length is 2 bytes herein, need to first send word Address[15:8] content of this high byte, and then send word Address[7:0] content of this low byte).And then, if MCU can continue to receive ack signal, send the variable data(indefinite length of data herein, minimum is 1 byte, is 8 bytes to the maximum).After variable data sent successfully, MCU can send the I of a standard
2C communication end signal (STOP) stops this communication process.
In embodiments of the present invention, no matter default demo mode has several, comprehensive, be: the screen of display device is divided at least two zones, be white screen with one of them region division, another zone shows normal image, or the full screen display normal picture, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.Herein, illustrate as an example of default three kinds of demo modes example, the first demo mode is: screen is divided at least two zones, be white screen with one of them region division, another zone shows normal picture, and the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.The second demo mode is: will not be white screen for the white region division that shields in the first demo mode, the zone that is white screen in the first demo mode shows normal picture, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.The third demo mode is: at whole screen display normal picture, the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
Because the dividing mode of screen has multiplely, therefore, demo mode also has multiple.The below is to illustrate screen divider three kinds of demo modes as left and right two parts as example.The first demo mode is: screen is divided into two zones, left and right, and left area is set to white screen, and the right zone shows normal picture, and the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.The second demo mode is: screen is divided into two zones, left and right, be white screen with the right region division, and left area shows normal picture, and the matrix backlight control module by display device is carried out the matrix backlight processing to the full screen of display device.The third demo mode is: at whole screen display normal picture, the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
Embodiment three:
In embodiments of the present invention, to illustrate by the mode of controlling realization matrix demonstration backlight on mainboard how specific implementation split screen matrix backlight shows.Be illustrated in figure 5 as the method flow diagram by the demonstration backlight of mainboard realization matrix provided by the invention, for convenience of explanation, only show the part relevant to the embodiment of the present invention.
In embodiments of the present invention, controlling realization matrix demonstration backlight with mainboard refers to directly come gating matrix backlight by the MCU on mainboard.
In step S501, judge whether to open the matrix backlight function, be execution in step S503, otherwise execution in step S502.
In embodiments of the present invention, whether open the matrix backlight function by the direct control of MCU.
In step S502, MCU is made as same brightness with the backlight illumination of all backlight modules.
In embodiments of the present invention, when not needing to open matrix backlight, MCU is made as same brightness with the backlight illumination of all backlight modules.
In step S503, full screen display normal picture or the screen of display device is divided at least two zones, be white screen with one of them region division, another zone shows normal image, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.
In embodiments of the present invention, controlled the demonstration backlight of screen by MCU, both can be the full screen display normal picture, after also screen can being divided into two zones, be white screen with any one region division, another zone shows normal picture, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed.Specifically can comprise: screen is divided into two zones, is white screen with one of them region division, and another zone shows normal picture, and then the matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and processed; With above-mentioned be not that the region division of white screen is white screen, above-mentioned be that the zone of white screen shows normal picture, then the matrix backlight control module by display device is carried out the matrix backlight processing to the full screen of display device; At whole screen display normal picture, then the matrix backlight control module by display device is carried out matrix backlight processing etc. to the full screen of display device.
In embodiments of the present invention, MCU starts a watchdog routine, after the brightness situation of change in picture signal each space that this watchdog routine is inputted by analysis, and according to analysis result, gating matrix demonstration backlight.
Embodiment four:
The structural representation of the matrix backlight apparatus for demonstrating that Fig. 6 provides for the embodiment of the present invention for convenience of explanation, only shows the part relevant to the embodiment of the present invention.This matrix backlight apparatus for demonstrating can be to be built in the unit that software unit, hardware cell or software and hardware in the various display devices such as televisor, display combine, and perhaps is integrated in the application system of these display devices or these display devices as suspension member independently.Wherein:
The unit 61 of opening backlight is used for opening the matrix backlight function.
Screen divider unit 62 is used for the screen of display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image.
In embodiments of the present invention, screen can be divided into two zones, and wherein whole pixels in any one zone being set to On, is white screen thus with this region division.Can be by any direction dividing screen areas, different modes according to dividing screen areas, the zone that white screen is set can be the optional position of screen, for example: if be left and right two parts with screen divider, can be white screen with left area or the right region division arbitrarily; If be up and down two parts with screen divider, upper area or lower zone are set to Bai Ping etc. arbitrarily.Wherein, be two parts with screen divider, can divide in any proportion, as can be by the various ratio cut partitions such as 1 to 1,1 to 2,1 to 3, size be determined according to division proportion in two zones after screen divider.Simultaneously, can divide by arbitrary shape.
In another embodiment of the present invention, described screen divider unit 62 also comprises full screen display module 621, is used for the full screen display normal picture.
Backlight display unit 63 is used for matrix backlight control module by display device and the full screen of display device is carried out matrix backlight processes.
In embodiments of the present invention, after screen was divided into two zones, the matrix backlight control module by display device was carried out matrix backlight to the full screen of display device and is processed, the variation backlight of demonstration matrix backlight on screen.At this moment, because the regional pixel of white screen is set up for On, therefore can't see the demonstration of normal picture.Simultaneously, can't see normal image exactly because also shield in vain the zone, therefore clearly display matrix backlight bright dark variation backlight.And the variation backlight of matrix backlight can not clearly be seen owing to showing normal picture in another zone.Therefore, by watching matrix backlight variation and another regional normal picture in white screen zone, can be clearly the variation backlight backlight of user's illustrative matrix.
In embodiments of the present invention, according to the difference of implementation, backlight display unit 62 can be positioned on TCON plate or mainboard.
In embodiments of the present invention, owing to screen being divided into two parts at least, by the matrix backlight control module, the full screen of display device being carried out matrix backlight processes, thereby the user can see the variation backlight of matrix backlight clear, intuitively by the white screen of screen is regional, and has understood matrix backlight and how to have worked.And by regulating the bright-dark degree backlight of different matrixes, significantly promoted the picture stereovision, and can reduce power consumption, effectively alleviated visual fatigue.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to complete by program, described program can be in being stored in a computer read/write memory medium, described storage medium is as ROM/RAM, disk, CD etc.
The above is only preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a matrix backlight demenstration method, is characterized in that, described method comprises the steps:
Open the matrix backlight function of display device;
The matrix backlight demo mode being set, comprising that the screen with display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image; Perhaps, full screen display normal picture;
Choose instruction according to the different matrix backlight demo mode that the user sends, different variate-values is set, to enter different matrix backlight demo modes;
Matrix backlight control module by display device is carried out matrix backlight to the full screen of display device and is processed.
2. the method for claim 1, is characterized in that, two zones of described screen can be in any proportion, any direction, arbitrary shape are divided.
3. the method for claim 1, is characterized in that, described matrix backlight control module is positioned on TCON plate or mainboard.
4. the method for claim 1, is characterized in that, when backlight with the control of the matrix backlight control module on TCON plate realization matrix, the step of the matrix backlight function of described unlatching display device is specially:
MCU is output function with the function setting of IO mouth En, and output level is set to high level simultaneously.
5. a matrix backlight apparatus for demonstrating, is characterized in that, described device comprises:
The unit of opening backlight, the matrix backlight function that is used for opening display device;
The screen divider unit is used for the matrix backlight demo mode is set, and comprises that the screen with display device is divided at least two zones, is white screen with one of them region division, and another zone shows normal image; Perhaps, full screen display normal picture; And choose instruction according to the different matrix backlight demo mode that the user sends, different variate-values is set, to enter different matrix backlight demo modes;
Backlight display unit is used for matrix backlight control module by display device and the full screen of display device is carried out matrix backlight processes.
6. device as claimed in claim 5, is characterized in that, two zones of described screen can be in any proportion, any direction, arbitrary shape are divided.
7. a display device, is characterized in that, described display device comprises the described matrix backlight apparatus for demonstrating of claim 5 or 6.
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| CN 201110129412 CN102184712B (en) | 2011-05-18 | 2011-05-18 | Method and device for demonstrating matrix backlight and display equipment |
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| CN108174029B (en) * | 2017-12-26 | 2020-11-24 | 上海展扬通信技术有限公司 | Screen brightness adjusting method and device, terminal and storage medium |
| CN113223465A (en) * | 2021-04-16 | 2021-08-06 | 深圳创维－Rgb电子有限公司 | Regional backlight demonstration method, device and storage medium |
| CN113554990A (en) * | 2021-07-15 | 2021-10-26 | 深圳创维－Rgb电子有限公司 | Television backlight control logic demonstration method, device, equipment and storage medium |
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| WO2006082883A1 (en) * | 2005-02-03 | 2006-08-10 | Nikon Corporation | Display device, electronic device and camera |
| CN2896414Y (en) * | 2006-04-19 | 2007-05-02 | 四川长虹电器股份有限公司 | TV-set function demounstration system |
| CN100495508C (en) * | 2006-10-27 | 2009-06-03 | 深圳帝光电子有限公司 | LED dynamic backlight control circuit |
| CN102005189B (en) * | 2009-09-01 | 2012-03-28 | 深圳市巨烽显示科技有限公司 | Method and device for calibrating luminance of liquid crystal display |
| CN101976184B (en) * | 2010-10-26 | 2012-08-08 | 冠捷显示科技（厦门）有限公司 | Display method with DEMO contextual mode l intelligent system |
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