WO2012075650A1 - 数据线断线修复装置及其方法 - Google Patents

数据线断线修复装置及其方法 Download PDF

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Publication number
WO2012075650A1
WO2012075650A1 PCT/CN2010/079907 CN2010079907W WO2012075650A1 WO 2012075650 A1 WO2012075650 A1 WO 2012075650A1 CN 2010079907 W CN2010079907 W CN 2010079907W WO 2012075650 A1 WO2012075650 A1 WO 2012075650A1
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WIPO (PCT)
Prior art keywords
data
output
image data
repair
line
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PCT/CN2010/079907
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English (en)
French (fr)
Inventor
赵登霞
林柏伸
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深圳市华星光电技术有限公司
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Publication of WO2012075650A1 publication Critical patent/WO2012075650A1/zh

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/006Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/136Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
    • G02F1/1362Active matrix addressed cells
    • G02F1/136259Repairing; Defects
    • G02F1/136263Line defects
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00Control of display operating conditions
    • G09G2320/02Improving the quality of display appearance
    • G09G2320/0223Compensation for problems related to R-C delay and attenuation in electrodes of matrix panels, e.g. in gate electrodes or on-substrate video signal electrodes
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/08Fault-tolerant or redundant circuits, or circuits in which repair of defects is prepared
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2340/00Aspects of display data processing
    • G09G2340/16Determination of a pixel data signal depending on the signal applied in the previous frame
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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 by control of light from an independent source
    • G09G3/36Control 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 by control of light from an independent source using liquid crystals
    • G09G3/3611Control of matrices with row and column drivers
    • G09G3/3648Control of matrices with row and column drivers using an active matrix

Definitions

  • the present invention relates to a data line repair disconnection device for a liquid crystal panel and a method thereof, and more particularly to a data line repair disconnection capable of reducing a circuit load influence of a data repair line of a liquid crystal panel and shortening a voltage response time. Apparatus and method therefor.
  • the circuit metal wire on the liquid crystal panel may be broken due to the condition of each process machine, the change of the material, the complexity of the process, and the factors of human operation, so as to increase the liquid crystal.
  • the yield of the panel the general practice is to use the printed circuit board assembly outside the LCD panel (PCBA; Printed Circuit Board Assembly) Plus Repair Line Operational Amplifier with Repair Broken Wire (Repair OP) and repair line traces that bypass the entire panel width to repair the broken wires on the LCD panel.
  • the main object of the present invention is to provide a data line repair disconnection device for a liquid crystal panel and a method thereof, which are applied to a liquid crystal panel with a data repair line, and apply an overdrive technology to a data repair line, thereby enabling a data repair line.
  • the circuit load is reduced, the voltage response time is shortened, and the circuit load value of the data repair line is improved, resulting in uneven display of the liquid crystal panel.
  • the present invention provides a data line repair disconnection device, which is applied to a liquid crystal panel with a data repair line, wherein the data line repair disconnection device comprises:
  • the repair line operational amplifier includes a first input end, a second input end, and an output end, wherein the output end and the second input end are both connected to the data line of the liquid crystal panel and the data repair line;
  • Overdrive lookup table module including:
  • a receiving module configured to receive image data of a current frame of the data line
  • An obtaining module having a mapping table, storing image data of a previous frame, image data of a current frame, and correspondence of output data, wherein the obtaining module acquires image data of the current frame and the saved image from the mapping table Output data corresponding to image data of the previous frame;
  • an output module configured to output, according to the output data, a corresponding voltage to the first input end of the repair line operational amplifier during a predetermined time period; after the predetermined time period, according to the current frame Image data, outputting a corresponding voltage to the first input of the repair line operational amplifier.
  • the present invention provides another data line repair disconnecting device for a liquid crystal panel having a data repair line, the data line repair disconnecting device comprising a repair line operational amplifier, the repair line
  • the operational amplifier includes a first input end, a second input end, and an output end, wherein the output end and the second input end are both connected to the data line of the liquid crystal panel and the data repair line
  • the data line repair disconnection device Also includes:
  • a receiving module configured to receive image data of a current frame of the data line
  • an obtaining module configured to acquire, from the saved image data of the previous frame, the image data of the current frame, and the output data, the output data corresponding to the image data of the current frame and the saved image data of the previous frame;
  • an output module for outputting a voltage corresponding to the output data acquired by the acquiring module, to the first input end within a predetermined time period.
  • the output module outputs a voltage corresponding to the image data of the current frame to the first input terminal after the predetermined period of time.
  • the acquisition module further includes a mapping table for storing the correspondence between the image data of the previous frame, the image data of the current frame, and the output data.
  • the output module comprises:
  • An acquiring unit configured to acquire, by digital/analog conversion, a voltage corresponding to image data of the current frame
  • an output unit configured to output, to the first input end, a voltage acquired by the acquiring unit after the predetermined period of time.
  • the receiving module, the obtaining module and the output module are integrated in an overdrive lookup table module.
  • the overdrive lookup table module and the repair line operational amplifier are integrated in an integrated circuit.
  • the present invention provides a data line repair disconnection method for a liquid crystal panel with a data repair line, a repair line operational amplifier connected to the liquid crystal panel, the repair line operational amplifier
  • the first input end, the second input end, and the output end are both connected to the data line of the liquid crystal panel and the data repair line, and the following steps are included:
  • the voltage corresponding to the output data is output to the first input terminal during a predetermined period of time.
  • the data line repair disconnection method of the present invention further includes the step of outputting a voltage corresponding to the image data of the current frame to the first input terminal after the predetermined period of time.
  • the correspondence between the image data of the previous frame, the image data of the current frame, and the output data is stored in a mapping table.
  • the step of outputting the voltage corresponding to the output data to the first input terminal within a predetermined time period includes the following steps:
  • the voltage obtained by the digital-to-analog conversion is output to the first input terminal for a predetermined period of time.
  • the step of outputting the voltage corresponding to the image data of the current frame to the first input terminal after the predetermined period of time further includes the following steps:
  • the voltage obtained by the digital-to-analog conversion is output to the first input terminal.
  • the circuit load of the data repairing line of the liquid crystal panel can be reduced, and the voltage response time can be shortened, thereby improving the phenomenon that the display screen of the liquid crystal panel is uneven.
  • FIG. 1 is a circuit diagram showing a connection relationship between an embodiment of a data line repair disconnecting device and a liquid crystal panel according to the present invention.
  • FIG. 2 is a functional block diagram showing the overdrive lookup table module of the present invention.
  • FIG. 3 is a graph showing voltage versus time of a liquid crystal panel of the prior art and a liquid crystal panel input repair line operational amplifier using the present invention, and a voltage response graph at the data terminal.
  • FIG. 4 is a flow chart of a data line repair disconnection method of the present invention.
  • FIG. 1 is a circuit diagram of a connection relationship between an overdrive lookup table module 10 , a repair line operational amplifier 20 and a liquid crystal panel 5 according to an embodiment of a data line repair disconnection device according to the present invention.
  • the data line repair disconnecting device of the present invention is applied to a liquid crystal panel 5 having a data repair line 2.
  • the drive lookup table module 10 of the data line repair disconnection device is connected to the data line 1 of the data driver (not shown) of the liquid crystal panel 5, and the repair line operational amplifier of the disconnection device is repaired by the data line. 20 is connected to the liquid crystal panel 5.
  • the overdrive lookup table module 10 is connected to the data line 1 to receive image data of a current frame transmitted by a data driver (not shown) of the liquid crystal panel, and a drive lookup table of the data line repair disconnection device
  • the module 10 receives frame-by-frame image data (image data of the previous frame, image data of the current frame, and the like) required for the liquid crystal panel 5 to display an image. And using the received image data of the current frame, and simultaneously correcting the corresponding relationship between the image data of the previous frame, the image data of the current frame, and the output data saved by the drive lookup table module 10 of the disconnection device according to the data line, and generating a corresponding output. Data, and output the voltage corresponding to the output data.
  • the repair line operational amplifier 20 of the data line repair disconnection device has a first input terminal 20a, a second input terminal 20b, and an output terminal 20c.
  • the first input 20a of the repair line operational amplifier 20 is coupled to the output of the drive lookup table module 10 to receive the output voltage from the overdrive lookup table module 10.
  • the second input terminal 20b of the repair line operational amplifier 20 is connected to the data line 1-1 and the data repair line 2.
  • the output terminal 20c of the repair line operational amplifier 20 is also connected to the data line 1-1 of the liquid crystal panel 5 and the data repair line 2.
  • FIG. 1 is a functional block diagram showing the overdrive lookup table module 10 of the present invention to further illustrate the detailed functionality of the various components of the overdrive lookup table module 10.
  • the overdrive lookup table module 10 of the present invention further includes a receiving module 102, an obtaining module 104 and an output module 106.
  • the overdrive lookup table module 10 of the present invention is used as part of a data line repair disconnect device for implementing the overdrive technique in the data line repair disconnect device of the present invention.
  • the obtaining module 104 further includes a mapping table 104-1 for storing the image data of the previous frame, the image data of the current frame, and the correspondence relationship of the output data (described in detail later).
  • the output module 106 has an input 106a and an output 106b.
  • the input 106a is coupled to the acquisition module 104 for receiving output data.
  • Output 106b is coupled to first input 20a of repair line operational amplifier 20.
  • the output module 106 includes an obtaining unit 106-1 and an output unit 106-2.
  • the obtaining unit 106-1 can be a specific implementation example of a digital/analog converter, and the output unit 106-2 A voltage output can be used as an example of a specific implementation.
  • the obtaining unit 106-1 is configured to convert the output data acquired by the obtaining module 104 into a voltage corresponding to the output data by digital-to-analog conversion.
  • the output unit 106-2 is for outputting the voltage acquired by the acquisition unit 106-1 to the first input terminal 20a of the repair line operational amplifier 20.
  • the mapping table 104-1 of the acquisition module 104 of the present invention stores image data required for displaying the image by the liquid crystal panel 5 (ie, image data of the previous frame, image data of the current frame, etc.) And the correspondence between the frame-by-frame image data and the output data, and continuously input with the data from the data driver of the liquid crystal panel 5, the mapping table 104-1 continuously writes and updates the previous frame. Contents such as image data, correspondence between image data of the current frame, and output data.
  • the data stored in the mapping table 104-1 is, for example, the image data of the previous frame is 0000, the image data of the current frame is 1010, the corresponding output data is 1100, and the image data of the previous frame is 0000, the current frame.
  • the image data is 0110, and the corresponding output data is 1000. Assume that the output voltage corresponding to the output data 1111 is 15 V, then the output voltage corresponding to the output data 1100 is 12 V, the output voltage corresponding to the output data 1010 is 10V.
  • the conversion between the data and the voltage can be performed by a conventionally known technique and will not be described herein.
  • the mapping table 104-1 can be implemented by a memory of the obtaining module 104.
  • the mapping table 104-1 is a database or a lookup table stored in the memory, and the present invention is not particularly limited.
  • the receiving module 102, the obtaining module 104, and the output module 106 of the overdrive lookup table module 10 of the present invention, and the mapping table 104-1, the obtaining unit 106-1, and the output unit 106-2 can also be integrated.
  • a special application integrated circuit ASIC
  • the overdrive lookup table module 10 is used as part of the data line repair disconnect device 10 for implementing the overdrive technique of the overdrive lookup table module 10 in the data line repair disconnect device of the present invention.
  • the overdrive lookup table module 10 and the repair line operational amplifier 20 of the data line repair disconnection device of the present invention can also be integrated into a special application integrated circuit (ASIC) for the liquid crystal panel 5 by customized settings. Design requirements, but specific implementation. Alternatively, when designing the driving circuit of the liquid crystal panel panel, the method of incorporating the driving circuit module into the original driving circuit module increases the circuit design of applying the overdrive technology to the data line repairing disconnection of the present invention, and the specific implementation does not There are special restrictions.
  • ASIC application integrated circuit
  • the acquisition module 104 continuously writes and updates the mapping table 104-1 as the data of the data driver is continuously input. It is to be noted that since the input end 1 of the receiving module 102 (ie, the input end of the overdrive lookup table module 10) is input from the data driver (not shown) of the liquid crystal panel, the data is acquired by the acquisition module 104. After the output data, it is necessary to use the acquisition unit 106-1 of the output module 106 to convert the output data into a voltage corresponding to the output data, and then output it by the output unit 106-2 to be received by the repair line operational amplifier 20.
  • FIG. 3 is a graph showing voltage versus time of a liquid crystal panel of the prior art and a liquid crystal panel input repair line operational amplifier 20 using the present invention, and a voltage response graph at the data terminal of the liquid crystal panel.
  • the upper portion is a graph of the voltage versus time of the repair line operational amplifier 20 input to the overdrive lookup table module 10.
  • the lower part is a graph showing the relationship between the voltage response time and the time of the liquid crystal panel 5 at the data end.
  • Thin lines represent known techniques, and thick lines represent the invention to which overdrive technology is applied.
  • the voltage of the overdrive lookup table module 10 input to the repair line operational amplifier 20 is 5 V according to the image data of the current frame, since the liquid crystal panel of the known technology has not applied the driving technique, The voltage of the drive lookup table module 10 input repair line operational amplifier 20 is 5V, and the response time curve of the liquid crystal panel at the data end is as shown by the thin line, and the predetermined voltage is reached after a predetermined time period t1.
  • the overdrive technique since the overdrive technique is applied, as shown in the upper part of FIG. 3, it is assumed that the voltage of the image data corresponding to the current frame is 5 V, if obtained by looking up the table using the mapping table 104-1 of the acquisition module 104.
  • the voltage corresponding to the output data is 7V, and then the voltage of the overdrive lookup table module 10 input repair line operational amplifier 20 is 7V.
  • the overdrive lookup table module 10 is obtained by the output module 106.
  • the conversion of unit 106-1 yields 7 The overdrive voltage of V, and during the predetermined time period t1, the output unit 106-2 outputs an overdrive voltage of 7 V to the first input terminal 20a of the repair line operational amplifier 20.
  • the liquid crystal panel of the present invention does not need to reach a predetermined voltage after a predetermined period of time t1, but has reached a predetermined voltage before reaching t1. And, after the predetermined time period t1, the overdrive lookup table module 10 resumes outputting the voltage 5V corresponding to the image data of the current frame to the first input terminal 20a of the repair line operational amplifier 20. Therefore, the voltage response time of the liquid crystal panel of the present invention at the data end is short, whereby the voltage response time of the data repair line of the liquid crystal panel can be shortened, thereby improving the phenomenon that the display screen of the liquid crystal panel is uneven.
  • FIG. 4 is a flow chart of a data line repair disconnection method of the present invention.
  • the data line repair disconnection method provided by the present invention is applied to a liquid crystal panel 5 of a data repair line 2 by using the data line repair disconnection device of the present invention, and the repair line operational amplifier of the data line repair disconnection device of the present invention 20 includes a first input 20a, a second input 20b, and an output 20c.
  • the output terminal 20c and the second input terminal 20b are both connected to the data line 1-1 and the data repair line 2 of the liquid crystal panel 5.
  • the data line 1-1 and the data repair line 2 are connected to the overdrive lookup table module 10 through the repair line operational amplifier 20 to apply the overdrive technology to the data repair line in the liquid crystal panel 5 to enable data repair.
  • the voltage response time of the line is shortened.
  • Step S401 receiving image data of a current frame of the data line 1;
  • Step S402 acquiring output data corresponding to the image data of the current frame and the saved image data of the previous frame from the stored relationship between the image data of the previous frame, the image data of the current frame, and the output data;
  • Step S403 outputting a voltage corresponding to the output data to the first input end 20a within a predetermined time period
  • Step S404 after the predetermined period of time, outputting a voltage corresponding to the image data of the current frame to the first input end 20a.
  • step S401 the receiving module 102 receives image data of a current frame of the data line.
  • step S402 the obtaining module 104 acquires the corresponding corresponding output data from the correspondence between the image data of the previous frame, the image data of the current frame, and the output data saved by the mapping table 104-1.
  • the acquisition module 104 transmits the corresponding output data to the output module 106 through the input 106a of the output module 106.
  • step S403 the output data from the acquisition module 104 is first converted to a corresponding voltage, that is, an overdrive voltage, by digital/analog conversion by the acquisition unit 106-1 of the output module 106.
  • the output unit 106-2 of the output module 106 outputs an overdrive voltage of 7 V as shown in FIG.
  • step S404 after the predetermined period of time (such as time period t1 shown in FIG. 3), that is, after the data terminal of the liquid crystal panel reaches a predetermined voltage, the output unit 106-2 of the output module 106 is restored. A voltage of 5 V corresponding to the image data of the current frame is output to the first input terminal 20a of the repair line operational amplifier 20.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Liquid Crystal Display Device Control (AREA)

Description

[根据细则37.2由ISA制定的发明名称] 数据线断线修复装置及其方法 技术领域
本发明涉及于一种液晶面板的数据线修复断线装置及其方法,特别是涉及一种能使液晶面板所具有的数据修复线的电路负载影响减少、电压响应时间缩短的数据线修复断线装置及其方法。
背景技术
在制作液晶面板的过程中,会因各个工艺机台的状况,材料的变化,工序的复杂度以及人为操作的因素,而导致液晶面板上的电路金属线发生断线的情形,为能增加液晶面板的良率,一般的做法是会利用液晶面板外部的印刷電路板總成(PCBA;Printed Circuit Board Assembly)加上修复断线的修复线运算放大器(Repair OP)以及绕过整个面板宽度的修复线走线,对液晶面板上的断线实施修复。但由于修复线的走线必需绕过整个面板的宽度,绕至数据线断线的另一侧连接,因此,相较资料驱动器在液晶面板上原本的走线(COF;Chip on Film)长度,修复线走线的长度多出整个面板的宽度,所以,其电路负载(RC Loading)值亦较原本的走线长度的电路负载值来得大。因此,数据线端的电压响应时间便较长,即导致液晶面板显示画面不均匀等现象。
因此,有必要提供一种数据线修复断线装置及其方法,以解决前述现有技术中所存在的问题。
技术问题
本发明的主要目的在于提供一种液晶面板的数据线修复断线装置及其方法,应用于一具数据修复线的液晶面板,将过驱动技术应用在数据修复线,而能使数据修复线的电路负载影响减少、电压响应时间缩短,改善因数据修复线的电路负载值较大,而导致液晶面板显示画面不均匀的现象。
技术解决方案
为达成本发明的前述目的,本发明提供一种数据线修复断线装置,应用于一具数据修复线的液晶面板,其特征在于,所述数据线修复断线装置包括:
修复线运算放大器,包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线;
过驱动查找表模块,包括:
接收模块,用于接收所述数据线的当前帧的图像数据;
获取模块,具有一映射表,保存前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,所述获取模块从所述映射表,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
输出模块,用于在预定时间段内,依据所述输出数据,向所述修复线运算放大器的所述第一输入端输出对应的电压;在所述预定时间段后,依据所述当前帧的图像数据,向所述修复线运算放大器的所述第一输入端输出对应的电压。
为达成本发明的前述目的,本发明提供另一种数据线修复断线装置,应用于一具数据修复线的液晶面板,所述数据线修复断线装置包括修复线运算放大器,所述修复线运算放大器包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线,所述数据线修复断线装置还包括:
接收模块,用于接收所述数据线的当前帧的图像数据;
获取模块,用于从保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
输出模块,在预定时间段内,向所述第一输入端输出所述获取模块获取的输出数据对应的电压。
本发明的数据线修复断线装置的实施例中,所述输出模块在所述预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压。
本发明的数据线修复断线装置的实施例中,所述获取模块进一步包括一映射表,用于保存所述前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系。
本发明的数据线修复断线装置的实施例中,所述输出模块包括:
获取单元,用于通过数/模转换获取对应所述当前帧的图像数据的电压;
输出单元,用于在所述预定时间段后向所述第一输入端输出获取单元获取的电压。
本发明的数据线修复断线装置的实施例中,所述接收模块、获取模块与输出模块集成于一过驱动查找表模块。
本发明的数据线修复断线装置的实施例中,所述过驱动查找表模块与所述修复线运算放大器集成于一集成电路中。
为达成本发明的前述目的,本发明提供一种数据线修复断线方法,应用于一具数据修复线的液晶面板,连接至所述液晶面板的一修复线运算放大器,所述修复线运算放大器包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线,包括下列步骤:
接收所述数据线的当前帧的图像数据;
从保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的所述输出数据;
在预定时间段内,向所述第一输入端输出所述输出数据对应的电压。
并且,本发明的数据线修复断线方法进一步包括下列步骤:在所述预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压。
本发明的数据线修复断线方法的实施例中,所述前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系保存于一映射表中。
本发明的数据线修复断线方法的实施例中,所述在预定时间段内,向所述第一输入端输出所述输出数据对应的电压的步骤中,包括下列步骤:
通过数/模转换获取所述输出数据对应的电压;
在预定时间段内,向所述第一输入端输出通过该数/模转换获取的电压。
本发明的数据线修复断线方法的实施例中,所述在预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压的步骤中,进一步包括下列步骤:
通过数/模转换获取所述当前帧的图像数据对应的电压;
在所述预定时间段后,向所述第一输入端输出通过该数/模转换获取的电压。
有益效果
依据本发明的数据线修复断线装置及其方法,能使液晶面板所具有的数据修复线的电路负载影响减少、电压响应时间缩短,进而改善所导致液晶面板显示画面不均匀的现象。
附图说明
图1是显示依据本发明的数据线修复断线装置的实施例与液晶面板的连接关系的电路图。
图2是显示本发明的过驱动查找表模块的功能方块图。
图3是显示习知技术的液晶面板与利用本发明的液晶面板输入修复线运算放大器的电压与时间的关系图以及在数据端的电压响应曲线图。
图4是本发明的数据线修复断线方法的流程图。
本发明的最佳实施方式
为让本发明上述目的、特征及优点更明显易懂,下文特举本发明较佳实施例,并配合附图,作详细说明如下:
请参考图1,是依据本发明数据线修复断线装置的实施例,本发明数据线修复断线装置具有的过驱动查找表模块10、修复线运算放大器20与液晶面板5的连接关系的电路图。本发明的数据线修复断线装置应用于具有一数据修复线2的液晶面板5。在本发明的实施例中,数据线修复断线装置的驱动查找表模块10连接至液晶面板5的数据驱动器(未显示)的数据线1,并且通过数据线修复断线装置的修复线运算放大器20连接至液晶面板5。
并且,如图1中所示,过驱动查找表模块10连接至数据线1,以接收液晶面板的数据驱动器(未显示)发送的当前帧的图像数据,数据线修复断线装置的驱动查找表模块10接收液晶面板5显示图像所需的,逐帧的图像数据(前一帧的图像数据、当前帧的图像数据等)。并且利用接收的当前帧的图像数据,同时根据数据线修复断线装置的驱动查找表模块10所保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,产生对应的输出数据,并且输出输出数据对应的电压。数据线修复断线装置的修复线运算放大器20具有第一输入端20a、第二输入端20b及输出端20c。
并且,如图1中所示,修复线运算放大器20的第一输入端20a连接至驱动查找表模块10的输出端,接收来自过驱动查找表模块10的输出电压。修复线运算放大器20的第二输入端20b连接至数据线1-1以及数据修复线2。修复线运算放大器20的输出端20c亦连接至液晶面板5的数据线1-1以及数据修复线2。藉由这些连接关系,过驱动查找表模块10在一预定时间段内对修复线运算放大器20输出与输出数据对应的电压。并且,在预定时间段后,即恢复对修复线运算放大器20输出当前帧的图像数据对应的电压。
请参考图1及图2。图2是显示本发明的过驱动查找表模块10的功能方块图,以进一步说明过驱动查找表模块10各部件详细的功能。本发明的过驱动查找表模块10更包括一接收模块102、一获取模块104及一输出模块106。本发明的过驱动查找表模块10作为数据线修复断线装置的一部分,用于实现过驱动技术于本发明的数据线修复断线装置的应用。并且,获取模块104更包括一映射表104-1,用于保存前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系(于后详述)。输出模块106具有输入端106a及输出端106b。输入端106a连接至获取模块104,用于接收输出数据。输出端106b连接至修复线运算放大器20的第一输入端20a。并且,输出模块106包括一获取单元106-1及输出单元106-2,在本发明实施例中,获取单元106-1能以一数/模转换器为具体实现的例子,输出单元106-2则可以一电压输出埠为具体实现的例子。获取单元106-1用于通过数/模转换将获取模块104获取的输出数据转换成所述输出数据对应的电压。输出单元106-2用于向修复线运算放大器20的第一输入端20a输出获取单元106-1获取的电压。
再者,为能应用过驱动技术,本发明的获取模块104的映射表104-1中保存着液晶面板5显示图像所需的图像数据(即前一帧的图像数据、当前帧的图像数据等)以及此些逐帧的图像数据与输出数据的对应关系,并随着来自液晶面板5的数据驱动器的数据不断地输入,映射表104-1随之持续地写入、更新其前一帧的图像数据、当前帧的图像数据及输出数据的对应关系等内容。保存在映射表104-1中的资料,例如为:前一帧的图像数据为0000、当前帧的图像数据为1010,对应的输出数据为1100;前一帧的图像数据为0000、当前帧的图像数据为0110,对应的输出数据为1000。假设输出数据1111对应的输出电压为15 V,那么输出数据1100对应的输出电压为12 V,输出数据1010对应的输出电压为10V。数据与电压之间的换算可以采用现有公知技术,此处不作赘述。而映射表104-1能以获取模块104的一内存予以实现,映射表104-1即为该内存所保存的数据库或查找表,本发明并未有特别的限定。
再者,当然,本发明过驱动查找表模块10具有的接收模块102、获取模块104及输出模块106,以及映射表104-1、获取单元106-1及输出单元106-2等亦能集成于例如一特殊应用的集成电路(ASIC),通过客制化的设定而针对液晶面板5的设计需求,而具体实现,本发明并未有特别的限定。并且,如前所述,过驱动查找表模块10作为数据线修复断线装置10的一部分,用于实现过驱动查找表模块10的过驱动技术于本发明的数据线修复断线装置的应用。本发明的数据线修复断线装置具有的过驱动查找表模块10与修复线运算放大器20亦可以集成于一特殊应用的集成电路(ASIC),通过客制化的设定而针对液晶面板5的设计需求,而具体实现。或者,在设计液晶面板面板的驱动电路时,以纳入于原有的驱动电路模块,而增加本发明应用过驱动技术于数据线修复断线的电路设计的方式,而具体实现,本发明并未有特别的限定。
并且,如前所述,获取模块104会随着数据驱动器的数据不断地输入而持续写入、更新映射表104-1。值得注意的是,由于接收模块102的输入端1(即过驱动查找表模块10的输入端)自液晶面板的数据驱动器(未显示)输入的是为数据,因此,在通过获取模块104获取对应的输出数据后,必需利用输出模块106的获取单元106-1将输出数据转换成所述输出数据对应的电压后,再由输出单元106-2输出,方能为修复线运算放大器20所接收。
请参考图3。图3是显示已知技术的液晶面板与利用本发明的液晶面板输入修复线运算放大器20的电压与时间的关系图以及在液晶面板的数据端的电压响应曲线图。图3中,上部为过驱动查找表模块10输入修复线运算放大器20的电压与时间的关系图。下部为液晶面板5在数据端的电压响应时间与时间的关系图以相互作比对。细线代表已知技术,粗线则代表了应用过驱动技术的本发明。
并且,如图3中所示,假定依据当前帧的图像数据,过驱动查找表模块10输入修复线运算放大器20的电压为5V,由于已知技术的液晶面板未应用过驱动技术,因此,过驱动查找表模块10输入修复线运算放大器20的电压即为5V,而液晶面板在数据端的响应时间曲线如细线所示,需预定时间段t1之后,才到达预定的电压。
而本发明则因应用了过驱动的技术,所以如图3上部所示,假定对应当前帧的图像数据的电压为5V,假如在利用获取模块104的映射表104-1进行查表后获得的输出数据对应的电压为7V,那么过驱动查找表模块10输入修复线运算放大器20的电压则为7V。那么,在接收模块102自液晶面板5的数据驱动器接收到其所发送的当前帧的图像数据后,根据映射表104-1的查表结果,过驱动查找表模块10即通过输出模块106的获取单元106-1的转换得出7 V的过驱动电压,而在预定时间段t1内,再由输出单元106-2对修复线运算放大器20的第一输入端20a输出7 V的过驱动电压。
因此,如图3下部所示,本发明的液晶面板无需预定时间段t1之后才到达预定的电压,而是在未达t1前,即已到达预定的电压。并且,在预定时间段t1后,过驱动查找表模块10即恢复对修复线运算放大器20的第一输入端20a输出对应当前帧的图像数据的电压5V。因此,本发明的液晶面板在数据端的电压响应时间较短,藉此能使液晶面板所具有的数据修复线的电压响应时间缩短,进而改善所导致液晶面板显示画面不均匀的现象。
请一并参考图1、图2及图4。图4是本发明的数据线修复断线方法的流程图。本发明提供的数据线修复断线方法,利用前述本发明的数据线修复断线装置应用于一具数据修复线2的液晶面板5,本发明的数据线修复断线装置具有的修复线运算放大器20包括第一输入端20a、第二输入端20b以及输出端20c。输出端20c及第二输入端20b均连接至液晶面板5的数据线1-1及数据修复线2。亦即,数据线1-1及数据修复线2通过修复线运算放大器20连接至过驱动查找表模块10,以将过驱动技术应用在液晶面板5中对数据修复线的驱动,能使数据修复线的电压响应时间缩短。
以下对本发明的数据线修复断线进行详细说明:
步骤S401, 接收数据线1的当前帧的图像数据;
步骤S402,从保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取与当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
步骤S403,在预定时间段内,向第一输入端20a输出与输出数据对应的电压;
步骤S404,在所述预定时间段后,向第一输入端20a输出当前帧的图像数据对应的电压。
具体而言,在步骤S401中,接收模块102接收数据线的当前帧的图像数据。在步骤S402中,获取模块104从映射表104-1保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取所需的对应的输出数据。接着,获取模块104将对应的输出数据通过输出模块106的输入端106a传送至输出模块106。在步骤S403中,先利用输出模块106的获取单元106-1,通过数/模转换将来自获取模块104的输出数据转换成对应的电压,即过驱动电压。在预定时间段内,输出模块106的输出单元106-2向修复线运算放大器20的第一输入端20a输出如图3所示7V的过驱动电压。而在步骤S404中,在所述预定时间段后(如图3所示的时间段t1),亦即在液晶面板的数据端到达预定的电压后,输出模块106的输出单元106-2即恢复向修复线运算放大器20的第一输入端20a输出当前帧的图像数据对应的5V的电压。
本发明已由上述相关实施例加以描述,然而上述实施例仅为实施本发明的范例。必需指出的是,已公开的实施例并未限制本发明的范围。相反地,包含于权利要求书的精神及范围的修改及均等设置均包括于本发明的范围内。
本发明的实施方式
工业实用性
序列表自由内容

Claims (15)

  1. 一种数据线修复断线装置,应用于一具数据修复线的液晶面板,其特征在于,所述数据线修复断线装置包括:
    修复线运算放大器,包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线;
    过驱动查找表模块,包括:
    接收模块,用于接收所述数据线的当前帧的图像数据;
    获取模块,具有一映射表,保存前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,所述获取模块从所述映射表,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
    输出模块,用于在预定时间段内,依据所述输出数据,向所述修复线运算放大器的所述第一输入端输出对应的电压;在所述预定时间段后,依据所述当前帧的图像数据,向所述修复线运算放大器的所述第一输入端输出对应的电压。
  2. 如权利要求1所述的数据线修复断线装置,其特征在于:所述输出模块包括:
    获取单元,用于通过数/模转换获取所述对应的电压;
    输出单元,用于在预定时间段内,向所述修复线运算放大器的所述第一输入端输出获取单元获取所述对应的电压。
  3. 如权利要求1所述的数据线修复断线装置,其特征在于:所述输出模块包括:
    获取单元,用于通过数/模转换获取所述对应的电压;
    输出单元,用于在预定时间段后,向所述修复线运算放大器的所述第一输入端输出获取单元获取所述对应的电压。
  4. 一种数据线修复断线装置,应用于一具数据修复线的液晶面板,所述数据线修复断线装置包括修复线运算放大器,所述修复线运算放大器包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线,其特征在于,所述数据线修复断线装置还包括:
    接收模块,用于接收所述数据线的当前帧的图像数据;
    获取模块,用于从保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
    输出模块,用于在预定时间段内,向所述第一输入端输出所述获取模块获取的输出数据对应的电压。
  5. 如权利要求4所述的数据线修复断线装置,其特征在于:所述输出模块在所述预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压。
  6. 如权利要求4所述的数据线修复断线装置,其特征在于:所述获取模块进一步包括一映射表,用于保存所述前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系。
  7. 如权利要求4所述的数据线修复断线装置,其特征在于,所述输出模块包括:
    获取单元,用于通过数/模转换获取对应所述当前帧的图像数据的电压;
    输出单元,用于在所述预定时间段后向所述第一输入端输出获取单元获取的电压。
  8. 如权利要求4所述的数据线修复断线装置,其特征在于,所述接收模块、获取模块与输出模块集成于一过驱动查找表模块中。
  9. 如权利要求8所述的数据线修复断线装置,其特征在于,所述过驱动查找表模块与所述修复线运算放大器集成于一集成电路中。
  10. 一种数据线修复断线方法,应用于一具数据修复线的液晶面板,连接至所述液晶面板的一修复线运算放大器包括第一输入端、第二输入端以及输出端,所述输出端及第二输入端均连接至所述液晶面板的数据线及所述数据修复线,其特征在于,包括下列步骤:
    接收所述数据线的当前帧的图像数据;
    从保存的前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系,获取与所述当前帧的图像数据以及保存的前一帧的图像数据对应的输出数据;
    在预定时间段内,向所述第一输入端输出所述输出数据对应的电压。
  11. 如权利要求10所述的液晶面板修复断线方法,其特征在于:所述在预定时间段内,向所述第一输入端输出所述输出数据对应的电压的步骤中,包括下列步骤:
    通过数/模转换获取所述输出数据对应的电压;
    在预定时间段内,向所述第一输入端输出通过该数/模转换获取的电压。
  12. 如权利要求10所述的液晶面板修复断线方法,其特征在于,所述前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系保存于一映射表中。
  13. 如权利要求10所述的液晶面板修复断线方法,其特征在于,所述方法进一步包括下列步骤:在所述预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压。
  14. 如权利要求13所述的液晶面板修复断线方法,其特征在于:所述前一帧的图像数据、当前帧的图像数据以及输出数据的对应关系保存于一映射表中。
  15. 如权利要求13所述的液晶面板修复断线方法,其特征在于:所述在预定时间段后,向所述第一输入端输出所述当前帧的图像数据对应的电压的步骤中,包括下列步骤:
    通过数/模转换获取所述当前帧的图像数据对应的电压;
    在所述预定时间段后,向所述第一输入端输出通过该数/模转换获取的电压。
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