CN111028753A - Data driving delay compensation device and method and display device - Google Patents
Data driving delay compensation device and method and display device Download PDFInfo
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- CN111028753A CN111028753A CN201911238234.9A CN201911238234A CN111028753A CN 111028753 A CN111028753 A CN 111028753A CN 201911238234 A CN201911238234 A CN 201911238234A CN 111028753 A CN111028753 A CN 111028753A
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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
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C19/00—Digital stores in which the information is moved stepwise, e.g. shift registers
- G11C19/28—Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
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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
- G09G2310/00—Command of the display device
- G09G2310/02—Addressing, scanning or driving the display screen or processing steps related thereto
- G09G2310/0264—Details of driving circuits
- G09G2310/0286—Details of a shift registers arranged for use in a driving circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a data driving delay compensation device and a method thereof as well as a display device, wherein the data driving delay compensation device comprises a data sending module; the data driving module is connected with the data sending module and used for receiving the data information sent by the data sending module, converting the data information into an analog signal and outputting the analog signal; the direction of the data driving module for receiving the data information is the same as the delay direction of the analog signal output by the data driving module. According to the invention, the direction of the data driving module for receiving the data information and the delay direction of the data driving module for sending the data information are set to be the same direction, so that the data information which firstly enters the driving module can be firstly sent out, and the compensation range of the data driving module is furthest improved.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a data driving delay compensation device, a data driving compensation method, and a display device.
Background
The receiving direction of a Source Driver (Source Driver) shift register can be left or right; the high-end Source Driver supports the Source data compensation function, and the direction of sending data to the Source Driver by a logic board (TCON) can be left or right.
The compensation of panel requirements is symmetrical, and the TCON supports only one data transmission direction, left or right. Therefore, when the delay range is large, data will be sent in first and then out, for example, in a left-to-right manner of data receiving and sending, data receiving all goes from left to right, and the delay direction goes from right to left, so that left-side data is not sent yet, left-side data receiving is started, and the next row is covered by the previous row.
Disclosure of Invention
In order to solve the above problem, embodiments of the present invention provide a data driving delay compensation device, a data driving compensation method, and a display device, which can effectively solve the problem that the existing data information delay direction is not consistent with the data information receiving direction.
According to an aspect of the present invention, an embodiment of the present invention provides a data driving delay compensation apparatus, including: a data transmission module; the data driving module is connected with the data sending module and used for receiving the data information sent by the data sending module, converting the data information into an analog signal and outputting the analog signal; the direction of the data driving module for receiving the data information is the same as the delay direction of the analog signal output by the data driving module.
Further, the data sending module comprises: a line buffer for storing and transmitting said data information; and the control register is electrically connected with the line buffer and used for controlling the sending direction of the line buffer.
Further, the direction in which the line buffer transmits the data information is the same as the direction in which the data driving module receives the data information.
Further, the data driving module includes: the data driving device comprises a first data driving module, a second data driving module, a third data driving module and a fourth data driving module; the first data driving module is connected with the second data driving module, the second data driving module is connected with the third data driving module, and the third data driving module is connected with the fourth data driving module.
Further, the receiving direction of the first data driving module and the second data driving module data is a first direction; the receiving direction of the data of the third data driving module and the fourth data driving module is a second direction, and the first direction is opposite to the second direction.
According to another aspect of the present invention, there is also provided a display device including the data driving delay compensation device described above.
According to still another aspect of the present invention, there is also provided a data driving compensation method, including the steps of: setting the direction of the data driving module for receiving the data information; converting the received data information into an analog signal; and transmitting the analog signal; wherein the direction of the received data information is the same as the direction of the analog signal transmission delay.
Further, after the step of setting the direction in which the data driving module receives the data information, the method further comprises setting the data information sending direction of an external data sending module to be the same as the data information receiving direction of the data driving module.
Further, the data information receiving directions of the first data driving module and the second data driving module are set to be the same; wherein the data driving module includes: the first data driving module and the second data driving module.
Further, setting the data information receiving directions of the third data driving module and the fourth data driving module to be the same; wherein the data driving module further comprises: the third data driving module and the fourth data driving module.
The data driving module has the advantages that the direction of receiving the data information by the data driving module and the delay direction of sending the data information by the data driving module are set to be the same, so that the data information which enters the driving module firstly can be sent out firstly, and the compensation range of the data driving module is improved to the greatest extent.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a data driving delay compensation apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the data driving module shown in fig. 1.
Fig. 3 is a schematic diagram of a data driving delay compensation method according to an embodiment of the invention.
Fig. 4 is a schematic structural diagram of a display device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more of those features, in the description of the invention "plurality" means two or more unless explicitly defined otherwise.
As shown in fig. 1, a data driving delay compensation apparatus 20 provided for an embodiment of the present invention includes: a data transmission module 20 and a data driving module 10.
The data driving module 10 is connected to the data transmitting module 20. The data driving module 10 is configured to receive the data information sent by the data sending module 20, convert the data information into an analog signal, and output the analog signal. The direction in which the data driving module 10 receives the data information is the same as the delay direction in which the data driving module 10 outputs the analog signal, the delay direction in which the analog signal is output is increasingly delayed from left to right, and the delay direction in which the analog signal is output is increasingly delayed from right to left, that is, the middle delay is the largest, and the two delays are the smallest (see fig. 1).
By setting the direction in which the data driving module 10 receives the data information and the delay direction in which the data driving module 10 sends the data information to be the same direction, the data information which enters the data driving module 10 first can be sent out first, and the compensation range of the data driving module is improved to the greatest extent.
The data transmission module 20 may include: a line buffer 21 and a control register 22.
The line buffer 21 is used for storing and transmitting the data information, and the control register 22 is electrically connected to the line buffer 21 and is used for controlling the transmission direction of the line buffer 21.
Wherein the line buffer 21 transmits the data information in the same direction as the data driving module 10 receives the data information.
When the data receiving direction of the data driving module 10 is the same as the direction in which the data driving module 10 delays outputting the analog signal, the direction in which the buffer 21 of the corresponding data transmitting module 20 transmits data information should also be the same as the direction in which the data driving module 10 receives data information.
As shown in fig. 2, in an embodiment of the present invention, the data driving module 10 includes: the data driving device comprises a first data driving module 1, a second data driving module 2, a third data driving module 3 and a fourth data driving module 4.
The first data driving module 1 is connected to the second data driving module 2, the second data driving module 2 is connected to the third data driving module 3, and the third data driving module 3 is connected to the fourth data driving module 4.
The data information receiving direction of the first data driving module 1 and the second data driving module 2 is a first direction. The receiving direction of the data information of the third data driving module 3 and the fourth data driving module 4 is a second direction, and the first direction is opposite to the second direction, but is not limited thereto.
In other embodiments, the data driving module includes: a first data driving module 1 and a second data driving module 2.
Wherein the first data driving module 1 is connected with the second data driving module 2. The receiving direction of the first data driving module 1 is set as a first direction, the receiving direction of the data information of the second data driving module 2 is set as a second direction, and the first direction is opposite to the second direction.
As shown in fig. 3, a flowchart of a data-driven delay compensation method according to an embodiment of the present invention is provided, where the method includes the steps of:
step S310: the direction in which the data driving module 10 receives the data information is set.
In one embodiment of the present invention, the data driving module 10 includes: the data driving device comprises a first data driving module 1, a second data driving module 2, a third data driving module 3 and a fourth data driving module 4.
The first data driving module 1 is connected to the second data driving module 2, the second data driving module 2 is connected to the third data driving module 3, and the third data driving module 3 is connected to the fourth data driving module 4.
The receiving direction of the data information of the first data driving module 1 and the second data driving module 2 is a first direction. The receiving direction of the data information of the third data driving module 3 and the fourth data driving module 4 is a second direction, and the first direction is opposite to the second direction.
But not limited thereto, in other embodiments, the data driving module includes: a first data driving module 1 and a second data driving module 2.
Wherein the first data driving module 1 is connected with the second data driving module 2. The receiving direction of the first data driving module 1 is set as a first direction, the receiving direction of the data of the second data driving module 2 is set as a second direction, and the first direction is opposite to the second direction.
Step S311: the data information transmission direction of an external data transmission module 20 is set to be the same as the data information reception direction of the driving module 10.
The data transmission module 20 includes: a line buffer 21 and a control register 22.
The line buffer 21 is used for storing and transmitting the data information, and the control register 22 is electrically connected to the line buffer 21 and is used for controlling the transmission direction of the line buffer 21.
Wherein the line buffer 21 transmits the data information in the same direction as the data driving module 10 receives the data information.
Step S320: the received data information is converted to an analog signal.
Step S330: and transmitting the analog signal.
The analog signal output by the data driving module 10 has a certain delay, and the delay direction of the analog signal output by the data driving module 10 is gradually increased from left to right, and is also gradually increased from right to left, that is, the middle delay is the largest, and the delays at the two sides are the smallest.
Therefore, the direction of receiving the data information is the same as the direction of sending the analog signal delay, so that the data information which enters the data driving module 10 first can be sent out first, and the compensation range of the data driving module is improved to the greatest extent.
The data driving module has the advantages that the direction of receiving the data information by the data driving module and the delay direction of sending the data information by the data driving module are set to be the same, so that the data information which enters the driving module firstly can be sent out firstly, and the compensation range of the data driving module is improved to the greatest extent.
As shown in fig. 4, a display device 40 according to an embodiment of the present invention is provided, where the display device 40 includes the data driving delay compensation device 30 according to any of the embodiments.
The display device 40 may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A data driven delay compensation apparatus, comprising:
a data transmission module; and
the data driving module is connected with the data sending module and used for receiving the data information sent by the data sending module, converting the data information into an analog signal and outputting the analog signal;
the direction of the data driving module for receiving the data information is the same as the delay direction of the analog signal output by the data driving module.
2. The data-driven delay compensation apparatus of claim 1, wherein the data transmission module comprises:
a line buffer for storing and transmitting said data information; and
and the control register is electrically connected with the line buffer and is used for controlling the sending direction of the line buffer.
3. The data-driven delay compensation apparatus of claim 2, wherein a direction in which the line buffer transmits the data information is the same as a direction in which the data driving module receives the data information.
4. The data-driven delay compensation apparatus of claim 1, wherein the data driving module comprises: the data driving device comprises a first data driving module, a second data driving module, a third data driving module and a fourth data driving module; the first data driving module is connected with the second data driving module, the second data driving module is connected with the third data driving module, and the third data driving module is connected with the fourth data driving module.
5. The data driving delay compensating apparatus of claim 4, wherein a receiving direction of the first data driving module and the second data driving module data is a first direction; the receiving direction of the data of the third data driving module and the fourth data driving module is a second direction, and the first direction is opposite to the second direction.
6. A display device comprising the data driving delay compensation device according to any one of claims 1 to 5.
7. A data driven delay compensation method, comprising the steps of:
setting the direction of the data driving module for receiving the data information;
converting the received data information into an analog signal; and
sending the analog signal;
wherein the direction of the received data information is the same as the direction of the analog signal transmission delay.
8. The data-driven delay compensation method of claim 7, further comprising, after the step of setting a direction in which the data driving module receives the data information, setting a data information transmission direction of an external data transmission module to be the same as a data information reception direction of the data driving module.
9. The data-driven delay compensation method of claim 8, wherein the data information receiving directions of the first data driving module and the second data driving module are set to be the same;
wherein the data driving module includes: the first data driving module and the second data driving module.
10. The data-driven delay compensation method of claim 8, wherein the data information receiving directions of the third data driving module and the fourth data driving module are set to be the same;
wherein the data driving module further comprises: the third data driving module and the fourth data driving module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911238234.9A CN111028753B (en) | 2019-12-06 | 2019-12-06 | Data driving delay compensation device and method thereof, and display device |
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| CN201911238234.9A CN111028753B (en) | 2019-12-06 | 2019-12-06 | Data driving delay compensation device and method thereof, and display device |
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| CN111028753A true CN111028753A (en) | 2020-04-17 |
| CN111028753B CN111028753B (en) | 2023-06-27 |
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| CN101046565A (en) * | 2006-03-30 | 2007-10-03 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and method for driving the same |
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| CN112053660A (en) * | 2019-06-05 | 2020-12-08 | 乐金显示有限公司 | Display device |
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2019
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| CN1812257A (en) * | 2005-02-10 | 2006-08-02 | 开曼群岛威睿电通股份有限公司 | Gain control in signal processing with feed-forward gain correction |
| CN101046565A (en) * | 2006-03-30 | 2007-10-03 | Lg.菲利浦Lcd株式会社 | Liquid crystal display device and method for driving the same |
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