CN103000118B - Displaying device, terminal utilizing same, and displaying method - Google Patents
Displaying device, terminal utilizing same, and displaying method Download PDFInfo
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- CN103000118B CN103000118B CN201110271873.2A CN201110271873A CN103000118B CN 103000118 B CN103000118 B CN 103000118B CN 201110271873 A CN201110271873 A CN 201110271873A CN 103000118 B CN103000118 B CN 103000118B
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Abstract
The invention discloses a displaying device, a terminal utilizing the same, and a displaying method. When frame buffer data in an internal memory are read, only effective data of an actual image in a frame buffer, rather than data of image edges, are read,, so that occupied bandwidth for reading the data is reduced, and power consumption is lowered. When frame buffer data are arranged into a data matrix, edge pixel value is added to enable the image to be normally displayed. When an effective displaying area is smaller than a displaying area of a displaying panel, requirement for displaying width of display equipment is reduced, and meanwhile system consumption can be lowered.
Description
Technical field
The invention mainly relates to display field, more particularly, to a kind of the display device of power consumption can be controlled, using this display dress
The terminal put and display packing.
Background technology
With scientific and technical continuous progress, the function of various hand held terminal units is stronger and stronger, energy expenditure
Increasing, because prior art cannot obtain bigger breakthrough in battery capacity, thus various new by the restriction of power consumption
Technology can not be developed all the time on the terminal device well.The overall power of equipment is that the important of weighing device performance will
Element, Ge great terminal unit manufacturer all tries one's best the power consumption of reduction equipment.
For traditional display device, frame buffer (frame buffer) in the resolution of usual display floater and internal memory
Resolution is equal.In whole frame buffer, data includes data and image edge (picture border) data of effectively figure piece,
Image edge data is typically monochrome, such as completely black or entirely white.When display (display), data in all frame buffers,
Shown controller (display controller) will read, be then delivered in display floater go to show.As shown in figure 1,
In the prior art, it is stored in the frame buffer data in internal memory, often due to the picture material of reality is less than dividing of display floater
So that there is substantial amounts of image border data in frame buffer in resolution；And often image border is typically monochrome, it is single pixel
Pixel Value Data, these data redundancies occupy memory headroom, and when Memory Controller Hub extracts data, these redundant digits
According to also occupying very big bandwidth, the power consumption of system is made to increase.
Content of the invention
In view of this, the technical problem to be solved is to provide a kind of display device, use this display device
Terminal and display packing.In order to have a basic understanding to some aspects of the embodiment disclosing, shown below is simple
Summarize.This summarized section is not extensive overview, is not the guarantor that will determine key/critical component or describe these embodiments
Shield scope.Its sole purpose is to assume some concepts with simple form, in this, as the preamble of following detailed description.
An aspect of of the present present invention is to propose a kind of display device, including：
Memory Controller Hub：For according to predetermined queue, reading the frame buffer data of real image；
Display controller：For the frame buffer data of described real image is formed data matrix, it is additionally operable to configure logic
Part passes through to calculate the area of viewing area shared by the data of image border, adds the edge pixel of image at the edge of this matrix
Value；
Display floater：For showing the image that complete data matrices are formed.
In a kind of optional embodiment, described edge pixel values are rgb values.
In a kind of optional embodiment, edge pixel values are added being in frame buffer number by described configuration logical block
According to carry out before forming data matrix.
In a kind of optional embodiment, edge pixel values are added being in frame buffer number by described configuration logical block
According to carry out after forming data matrix.
In a kind of optional embodiment, described display floater is interactive LCDs.
The invention allows for a kind of terminal, described terminal includes the display device described in any of the above item.
Another aspect of the present invention is to propose a kind of display packing, including：
According to predetermined queue, read the frame buffer data of real image；
The frame buffer data of described real image is formed data matrix, is additionally operable to configure logical block by calculating image
The area of viewing area shared by MARG, adds the edge pixel values of image at the edge of this matrix；Display partial data square
The image that formation becomes.
In a kind of optional embodiment, described edge pixel values are rgb values.
In a kind of optional embodiment, edge pixel values are added being in frame buffer number by described configuration logical block
According to carry out before forming data matrix.
In a kind of optional embodiment, described is in frame buffer number by configure logical block adding edge pixel values
According to carry out after forming data matrix.
For above-mentioned and related purpose, one or more embodiments include will be explained in and in claim below
In the feature that particularly points out.Description below and accompanying drawing describe some illustrative aspects in detail, and its instruction is only
Some modes in the utilizable various modes of principle of each embodiment.Other benefits and novel features will with
The detailed description in face is considered in conjunction with the accompanying and becomes obvious, the disclosed embodiments be intended to including all these aspects and they
Equivalent.
The present invention read internal memory in frame buffer data when, read-only take valid data in frame buffer for the real image, and
Do not read the data of image border, this reduces the bandwidth reading shared by data, also reduce power consumption；In frame buffer number
It is that filling adds edge pixel values, so that image is normally shown according to being arranged in data matrix；It is less than display surface in effective display area domain
Plate can viewing area when, by using the present invention, reduce the demand to display bandwidth for the display device, system work(can be reduced simultaneously
Consumption.
Figure of description
Fig. 1 is display mode schematic diagram in prior art；
Fig. 2 is the structural representation of embodiment one；
Fig. 3 is the structural representation of embodiment two；
Fig. 4 is the structural representation of embodiment three；
Fig. 5 is that frame buffer data forms data matrix schematic diagram；
Fig. 6 is the flow chart of the inventive method.
Specific embodiment
The following description and drawings fully illustrate specific embodiments of the present invention, to enable those skilled in the art to
Put into practice them.Other embodiments can include structure, logic, electric, process and other change.Embodiment
Only represent possible change.Unless explicitly requested, otherwise individually assembly and function are optional, and the order operating is permissible
Change.The part of some embodiments and feature can be included in or replace part and the feature of other embodiments.This
The scope of bright embodiment includes the gamut of claims, and all obtainable of claims is equal to
Thing.Herein, these embodiments of the present invention individually or generally with term " invention " can be represented, this is only
For convenience, and if in fact disclosing the invention more than, the scope being not meant to automatically limit this application is to appoint
What single invention or inventive concept.
The technical problem to be solved be real image be less than display floater can viewing area when, reduce aobvious
Show the demand to display bandwidth for the equipment, reduce the problem of system power dissipation.In the prior art, frame buffer (frame buffer) number
According to being stored in internal storage location, the frame buffer data of image not only contains the image being actually needed display, further comprises image
Edge (picture border) data, these image borders are often solid color, and that is, these image border data are entirely
The pixel value of solid color.Memory Controller Hub (bus fabric＆DDR controller) is in internal memory (DDR memory)
View data is extracted, and in prior art, is that all frame buffer data to image extract, the image border number of redundancy
According to being also required to extract line by line, thus occupy very big bandwidth；Display is transferred to by the view data that Memory Controller Hub extracts
Controller (display controller), in display controller, view data is arranged in data matrix, display controller pair
These view data are parsed, so that complete image exports on display floater.
Specific embodiment one
In this embodiment, as shown in Fig. 2 Memory Controller Hub only reads actual image data in frame buffer, and not
Read the data of image border, this reduces the bandwidth reading shared by data, also reduce power consumption；Arrive in data transfer
In the display controller stage, by adding the pixel value of image border (border), to fill display floater and to remove display real image
Edge in addition.Because image edge data is typically monochrome, such as completely black or entirely white it means that image edge each
The pixel value of pixel is equal, therefore in display controller, this value is write in the depositor of display controller, is needing to show
When this value, by configuring logical block part (CFG Logic), this value is given relevant device, so in may dispense with
Memory controller reads the data of image edge.
First, when view data is stored in internal memory with frame buffer form, it is with the storage of certain sequence, in this enforcement
In example, different from prior art, the image border data of redundancy does not need storage in internal memory, only needs reality in internal memory
Border needs the image frame buffer data of display, by ordering in internal memory for this frame buffer data it may be predetermined that reality
The size and location when display floater shows for the border image.
As shown in figure 5, in internal memory, frame buffer data stores according to predetermined sequence, the position according to first data is sat
Mark is it may be determined that the shared position in display floater of the real image that goes out frame buffer and size；Calculate the remaining seat of display
Scale value, in these coordinate figure positions, by configuration logical block write edge pixel values.
Finally, area shared by real image is deducted it can be deduced that image border institute according to the coordinate system of display floater
The area accounting for, is parsed by Memory Controller Hub in the frame buffer data of real image, after entering display controller, will be according to
Predetermined data queue forms data matrix；Before the frame buffer data of real image forms data matrix, configure logic section
Part passes through to calculate the area of viewing area shared by the data of image border, is delayed using the frame that image edge pixels value adds real image
Among deposit data, complete the data matrix of display image.
Specific embodiment two
As shown in figure 3, this embodiment is from the different of embodiment one, in display controller, by configuring logic section
It is to have formed complete data matrix in actual image data that part (CFG Logic) adds image edge pixels value (Border)
Carry out afterwards.The area of marginal area that so easier can obtain needs filling is it is only necessary to contrast display floater
Resolution just can determine that this regional extent with the resolution of real image.This embodiment not only does not need to read in the internal memory reading stage
Taking the image border data of redundancy, thus decreasing the occupancy of bandwidth, reducing power consumption；And add edge in display controller
During pixel value, it is relatively easy to calculate.
Configuration logical block can be inherited in display controller, and the major function of this part is storage image edge pixel
Value, or need to change edge pixel values according to user；According to the frame buffer data array of real image, calculate the area of image border
Domain area；Configuration edge pixel values add entrance frame buffer data matrix.
Specific embodiment three
As shown in figure 4, in this embodiment, only storing the frame buffer data of real image in internal memory, without storage
The image border data of redundancy, reduces the occupancy of internal memory, and this is more excellent embodiment.Both examples above in the same manner,
Add configuration logical block (CFG Logic) to add image edge pixels value (Border) in display controller, make real image
Resolution constant, completely show in display floater, the part beyond real image, then blank map is as edge pixel values.
An aspect of of the present present invention is to propose a kind of display device, including：
Memory Controller Hub：According to predetermined queue, read the frame buffer data of real image；
Display controller：Described frame buffer data is formed data matrix, this matrix adds edge pixel values；
Display floater：The image that display complete data matrices are formed.
In a kind of optional embodiment, described edge pixel values are rgb values.
In a kind of optional embodiment, edge pixel values are added by described display controller by configuring logical block
Described data matrix.
In a kind of optional embodiment, edge pixel values are added being in frame buffer by described configuration logical block
Data is carried out after forming data matrix.
In a kind of optional embodiment, described display floater is interactive LCDs.
The invention allows for a kind of terminal, described terminal includes the display device described in any of the above item.
As shown in fig. 6, another aspect of the present invention also proposes a kind of display packing, including：
According to predetermined queue, read the frame buffer data of real image；
Described frame buffer data is formed data matrix, this matrix adds edge pixel values；
The image that display complete data matrices are formed.
Any technical staff for making in the art is capable of or uses the present invention, above disclosed embodiment is entered
Go description.To those skilled in the art；The various modification modes of these embodiments will be apparent from, and this
The General Principle of literary composition definition can also be applied to other embodiments on the basis of the spirit and scope without departing from the disclosure.
Therefore, the disclosure is not limited to embodiments set forth herein, but the widest with principle disclosed in the present application and novel features
Scope is consistent.
Claims (10)
1. a kind of display device is it is characterised in that include：
Memory Controller Hub：For according to predetermined queue, reading the frame buffer data of real image；
Display controller：For the frame buffer data of described real image is formed data matrix, it is additionally operable to configure logical block
By calculating the area of viewing area shared by the data of image border, add the edge pixel values of image at the edge of this matrix；
Display floater：For showing the image that complete data matrices are formed.
2. device as claimed in claim 1 is it is characterised in that described edge pixel values are rgb values.
3. device as claimed in claim 1 it is characterised in that described configuration logical block edge pixel values are added be
Carried out before frame buffer data forms data matrix.
4. device as claimed in claim 1 it is characterised in that described configuration logical block edge pixel values are added be
Carry out after frame buffer data forms data matrix.
5. device as claimed in claim 1 is it is characterised in that described display floater is interactive LCDs.
6. a kind of terminal is it is characterised in that described terminal includes the display device as described in any one of claim 1 to 5.
7. a kind of display packing is it is characterised in that include：
According to predetermined queue, read the frame buffer data of real image；
The frame buffer data of described real image is formed data matrix, is additionally operable to configure logical block by calculating image border
The area of viewing area shared by data, adds the edge pixel values of image at the edge of this matrix；Display complete data matrices shape
The image becoming.
8. method as claimed in claim 7 is it is characterised in that described edge pixel values are rgb values.
9. method as claimed in claim 7 it is characterised in that described configuration logical block edge pixel values are added be
Carried out before frame buffer data forms data matrix.
10. method as claimed in claim 7 is it is characterised in that described by configuring logical block interpolation edge pixel values be
Carry out after frame buffer data forms data matrix.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271873.2A CN103000118B (en) | 2011-09-14 | 2011-09-14 | Displaying device, terminal utilizing same, and displaying method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110271873.2A CN103000118B (en) | 2011-09-14 | 2011-09-14 | Displaying device, terminal utilizing same, and displaying method |
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| Publication Number | Publication Date |
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| CN103000118A CN103000118A (en) | 2013-03-27 |
| CN103000118B true CN103000118B (en) | 2017-02-08 |
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| CN103699183A (en) * | 2013-12-12 | 2014-04-02 | 上海兆民云计算科技有限公司 | Low-power-consumption terminal based on virtual desktop |
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| JPH0895523A (en) * | 1994-09-27 | 1996-04-12 | Matsushita Electric Ind Co Ltd | Driving device for liquid crystal panel |
| JPH08185142A (en) * | 1994-12-28 | 1996-07-16 | Sharp Corp | Liquid crystal display device |
| FI116959B (en) * | 2004-03-17 | 2006-04-13 | Nokia Corp | An electronic device and a method for processing image data in an electronic device |
| CN101562720B (en) * | 2008-04-17 | 2012-07-25 | 英华达(上海)电子有限公司 | Method and system for processing ineffective data in video communication |
| CN101674391B (en) * | 2008-09-09 | 2011-11-30 | 青岛海信电器股份有限公司 | CRT television |
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Address after: Room 1601-1611, room 1701-1711, No. 25, Huizhi Third Road, Nancun Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong new shoreline Technology Co.,Ltd. Address before: 100084, 16 floor, building A, building 8, Tsinghua Science Park, No. 1, Zhongguancun East Road, Haidian District, Beijing Patentee before: NUFRONT MOBILE COMMUNICATIONS TECHNOLOGY Co.,Ltd. |