CN111028753B - Data driving delay compensation device and method thereof, and display device - Google Patents
Data driving delay compensation device and method thereof, and display device Download PDFInfo
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- CN111028753B CN111028753B CN201911238234.9A CN201911238234A CN111028753B CN 111028753 B CN111028753 B CN 111028753B CN 201911238234 A CN201911238234 A CN 201911238234A CN 111028753 B CN111028753 B CN 111028753B
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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, and 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 is 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 receiving the data information is the same as the direction of the data driving module outputting the analog signal delay. 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, so that the data information which enters the driving module first can be 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 a Source data compensation function, and a logic board (TCON) can send data to the Source Driver in either the left or right direction.
The compensation of the panel requirement is symmetrical, and the data transmission direction supported by the TCON is only one, left or right. Therefore, when the delay range is large, the data is first and last, for example, the data is sent from left to right, the data is received from left to right, and the delay direction is from right to left, so that the left data is not sent yet, the left data is received already, and the last row is covered.
Disclosure of Invention
In order to solve the above problems, 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 inconsistent 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 transmitting module; the data driving module is connected with the data sending module and is 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 receiving the data information is the same as the direction of the data driving module outputting the analog signal delay.
Further, the data transmitting module includes: a line buffer for storing and transmitting the data information; and a control register electrically connected with the line buffer for controlling the transmission 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 information is received by the data driving module.
Further, the data driving module includes: the 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 data receiving direction of the first data driving module and the second data driving module is a first direction; the data receiving direction 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, an embodiment of the present invention further provides a display apparatus, which includes the above-mentioned data driving delay compensation apparatus.
According to still another aspect of the present invention, an embodiment of the present invention further provides 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; 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 includes setting the data information transmission direction of an external data transmission module to be the same as the data information reception direction of the data driving module.
Further, setting the data information receiving directions of the first data driving module and the second data driving module to be the same; wherein the data driving module comprises: 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 invention has the advantages that the direction of the data driving module for receiving the data information and the delay direction of the data driving module for transmitting the data information are set to be the same, so that the data information which enters the driving module first can be transmitted out, and the compensation range of the data driving module is furthest improved.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a data driving delay compensation device according to an embodiment of the invention.
Fig. 2 is a schematic diagram of a structure 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 invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
In the description of the present invention, it should 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", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, 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 a feature defining "first," "second," or the like, may explicitly or implicitly include one or more of such features, and in the description of the present invention, "a plurality" means two or more, unless otherwise specifically limited.
As shown in fig. 1, a data driving delay compensation device 20 according to 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 with 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 direction in which the data driving module 10 outputs the analog signal, and the delay direction in which the analog signal is output is larger and larger from left to right, and the delay from right to left is larger and larger, that is, the middle delay is the largest, and the delay at both sides is 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 transmits the data information to be the same, the data information which enters the data driving module 10 first can be transmitted, 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 direction in which the line buffer 21 transmits the data information is the same as the direction in which the data information is received by the data driving module 10.
When the data receiving direction of the data driving module 10 is the same as the direction in which the data driving module 10 outputs the analog signal, the direction in which the buffer 21 of the corresponding data transmitting module 20 transmits the data information should also be identical to the direction in which the data driving module 10 receives the data information.
As shown in fig. 2, in one embodiment of the present invention, the data driving module 10 includes: 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 with the second data driving module 2, the second data driving module 2 is connected with the third data driving module 3, and the third data driving module 3 is connected with the fourth data driving module 4.
The data information receiving directions of the first data driving module 1 and the second data driving module 2 are the 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 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 flow chart of a data driving delay compensation method according to an embodiment of the present invention is provided, and 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: 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 with the second data driving module 2, the second data driving module 2 is connected with the third data driving module 3, and the third data driving module 3 is connected with 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 are 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 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 direction in which the line buffer 21 sends the data information is the same as the direction in which the data information is received by the data driving module 10.
Step S320: the received data information is converted into an analog signal.
Step S330: and transmitting the analog signal.
The data driving module 10 outputs the analog signal with a certain delay, and the delay direction of the data driving module 10 outputs the analog signal is larger and larger from left to right, and the delay direction is larger and larger from right to left, namely, the middle delay is the largest, and the two-side delay is the smallest.
Therefore, the direction of receiving the data information is the same as the direction of the delay of sending the analog signal, so that the data information entering the data driving module 10 first can be sent out, and the compensation range of the data driving module is improved to the greatest extent.
The invention has the advantages that the direction of the data driving module for receiving the data information and the delay direction of the data driving module for transmitting the data information are set to be the same, so that the data information which enters the driving module first can be transmitted out, and the compensation range of the data driving module is furthest improved.
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 one of the above embodiments.
The display device 40 may be: any product or component with 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 in terms of the preferred embodiments, the preferred embodiments are not limited to the above embodiments, and various modifications and changes can be made by one skilled in the art without departing from the spirit and scope of the invention, and the scope of the invention is defined by the appended claims.
Claims (10)
1. A data-driven delay compensation apparatus, comprising:
a data transmitting module; and
the data driving module is connected with the data sending module and is 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 receiving the data information is the same as the direction of the data driving module outputting the analog signal delay;
the data driving module is sequentially provided with an even number along one direction, the receiving direction of the first half of the data information in the even number is a first direction, the receiving direction of the second half of the data information in the even number is a second direction, and the first direction is opposite to the second direction.
2. The data-driven delay compensation apparatus of claim 1, wherein the data transmission module comprises:
a line buffer for storing and transmitting the data information; and
and the control register is electrically connected with the line buffer and used for controlling the sending direction of the line buffer.
3. The data-driven delay compensation apparatus of claim 2, wherein the line buffer transmits the data information in the same direction as the data-driving module receives the data information.
4. The data driving delay compensation apparatus of claim 1, wherein the data driving module comprises: the 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 the direction of receipt of data by said first data driving module and said second data driving module is a first direction; the data receiving direction 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 compensating device of any of claims 1 to 5.
7. A method of data driven delay compensation, 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
transmitting the analog signal;
wherein the direction of the received data information is the same as the direction of the analog signal transmission delay; the data driving module is sequentially provided with an even number along one direction, the receiving direction of the first half of the data information in the even number is a first direction, the receiving direction of the second half of the data information in the even number is a second direction, and the first direction is opposite to the second direction.
8. The data driving delay compensating method of claim 7, further comprising setting a data information transmitting direction of an external data transmitting module to be the same as a data information receiving direction of the data driving module after the setting of the direction in which the data driving module receives the data information.
9. The data driving 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 comprises: the first data driving module and the second data driving module.
10. The data driving 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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| 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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| CN111028753B true CN111028753B (en) | 2023-06-27 |
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| US7656975B2 (en) * | 2005-02-10 | 2010-02-02 | Via Telecom Co., Ltd. | Gain control in signal processing with feed-forward gain correction |
| KR101362132B1 (en) * | 2006-03-30 | 2014-02-13 | 엘지디스플레이 주식회사 | Liquid crystal display |
| KR101422081B1 (en) * | 2007-08-28 | 2014-07-23 | 삼성전자주식회사 | Source driver, display device having its, display system having its and output method thereof |
| CN103065595B (en) * | 2012-12-14 | 2015-04-22 | 深圳市华星光电技术有限公司 | Drive method and drive circuit of liquid crystal display panel and liquid crystal display device |
| KR102631015B1 (en) * | 2019-06-05 | 2024-01-30 | 엘지디스플레이 주식회사 | Foldable display and driving method thereof |
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