WO2021217712A1 - 虚拟像素的电压调节方法、显示面板及存储介质 - Google Patents
虚拟像素的电压调节方法、显示面板及存储介质 Download PDFInfo
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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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- the present invention relates to the field of display technology, and in particular to a method for adjusting the voltage of a virtual pixel, a display panel and a storage medium.
- a row of dummy pixels 10 are added at the left and right edges of the panel.
- the dummy pixels 10 do not play a display role and can be connected to electrical signals but cannot be output.
- the column inversion (column) driving mode it is set by the common electrode chip of the array substrate, and the data line signal of the most edge column provides the voltage signal for the virtual pixel 10. If the voltage corresponding to the fixed gray scale is adopted, the edge column data signal It flips back and forth between high and low voltages, and the non-edge column data signal is a DC signal with a fixed voltage.
- the data voltage is based on 200 gray scales (even-numbered columns of pixels) and 128 gray scales (odd-numbered columns of pixels) as examples.
- the high-low flip signal has a certain rising time 11 (rising time) and falling time 12 (falling time), which have a greater impact on pixel charging.
- the display of the pixel in the edge column will be brighter, that is, the edge bright red line; when the potential of the set virtual pixel is lower than the gray scale displayed in the edge column
- the edge column will be darker, that is, it will show the dark red line at the edge.
- the delay of the in-plane data signal is more serious, resulting in more obvious bright and dark lines at the edge.
- the purpose of the present invention is to provide a method for adjusting the voltage of a virtual pixel, a display panel, and a storage medium.
- the present invention provides a virtual pixel voltage adjustment method, including: a database establishment step, obtaining voltage data of all pixels in a frame of the display panel and storing it in the database; and an acquisition step, collecting the data in the database The voltage data; the first judging step, judging whether the voltage of each pixel in a frame or the voltage of some pixels corresponds to the same grayscale value, if yes, then the next step; voltage setting step, setting the voltage value of the virtual pixel Is the voltage corresponding to the grayscale value.
- a second judgment step of judging whether to switch the screen if yes, looping the database establishment step, the collection step, the first judgment step, and the voltage setting step; if not, then maintain all The voltage of the virtual pixel.
- the partial pixels are column pixels close to the edge of the virtual pixel.
- the method further includes: a third determining step of determining whether the voltage of the part of the pixels corresponds to a voltage corresponding to a gray scale interval, and if so, executing the voltage setting step.
- the gray scale interval is 0 ⁇ a or b ⁇ 255, where b>a.
- the database establishment step further includes: a preparation step of providing the display panel and illuminating the screen.
- the display panel includes a display area, the columns of sub-pixels distributed in an array of the display area, and the sub-pixels of each column The colors are the same, and a row of virtual pixels are respectively provided on both sides of the display area.
- the present invention also provides a display panel, which is characterized in that it includes a virtual pixel voltage adjustment system, and the virtual pixel voltage adjustment system includes: a database establishment unit for acquiring information about all pixels in a frame of the display panel The voltage data is stored in the database; the collecting unit is used to collect the voltage data in the database; the first judging unit is used to judge whether the voltage of each pixel or the voltage of some pixels in a frame corresponds to the same gray scale If it is, execute the next step; a voltage setting unit is used to set the voltage value of the virtual pixel to the voltage corresponding to the grayscale value.
- the voltage adjustment system of the virtual pixel further includes: a second judging unit that judges whether to switch the screen, and if so, loops the database establishment step, the collection step, the first judgment step, and the voltage setting Step; if not, maintain the voltage of the virtual pixel.
- the database establishment unit, the acquisition unit, the first judgment unit, and the voltage setting unit are integrated on the common electrode of the array substrate of the display panel.
- the present invention also provides a storage medium with a computer program stored on the storage medium, and the method can be implemented when the processor executes the computer program.
- the present invention provides a method for adjusting the voltage of a virtual pixel, a display panel and a storage medium.
- a method for adjusting the voltage of a virtual pixel, a display panel and a storage medium By collecting the voltage data of the pixels on the display screen, it is judged whether they belong to the same gray scale value, and the actual voltage value of the virtual pixel is adjusted to the collected gray scale value.
- the voltage value corresponding to the step value thereby solving the problem of bright and dark lines caused by the influence of the setting of the edge column signal in the prior art on charging.
- the virtual pixels can be dynamically adjusted according to the detected grayscale value changes.
- Figure 1 is a plan view of prior art pixel arrangement
- Figure 2 is a waveform diagram of a data signal in the prior art
- FIG. 3 is a flowchart of a method for adjusting voltage of a virtual pixel according to an embodiment of the present invention
- FIG. 4 is a flowchart of a method for voltage adjustment of a virtual pixel according to another embodiment of the present invention.
- Fig. 5 is a functional block diagram of a virtual pixel voltage adjustment system provided by the present invention.
- an embodiment of the present invention provides a method for adjusting the voltage of a virtual pixel, which includes the following steps S1 ⁇ S7.
- S1 preparation step provide a display panel and light up the picture.
- the display panel includes a display area, the display panel is driven by column inversion, and the display area includes columns of sub-pixels arranged in an array, and each column of sub-pixels has the same color , A row of virtual pixels are respectively provided on both sides of the display area.
- S2 database establishment step obtaining the voltages of all pixels in one frame of the display panel and storing them in the database.
- the first judgment step is to judge whether the voltage data of the voltage of each pixel in a frame corresponds to the same grayscale value, and if so, execute the next step.
- S5 voltage setting step setting the voltage value of the virtual pixel to the voltage corresponding to the gray scale value.
- An embodiment of the present invention provides a method for adjusting the voltage of a virtual pixel.
- By collecting voltage data of pixels on a display screen it is determined whether they belong to the same grayscale value, and the actual voltage value of the virtual pixel is adjusted to correspond to the collected grayscale value. Therefore, the problem of bright and dark lines caused by the influence of the setting of the edge column signal in the prior art on charging is solved.
- the virtual pixels can be dynamically adjusted according to the detected grayscale value changes.
- the method for adjusting the voltage of a virtual pixel provided by another embodiment of the present invention includes steps S101 to S107.
- the difference from the previous embodiment is that in the first determining step, the partial pixels
- the voltage of is the pixel voltage of the edge column close to the virtual pixel
- step S101 ⁇ S104 is the same as steps S1 to S4 in the previous embodiment
- steps S106 to S107 are the same as steps S5 to S6 in the previous embodiment.
- the third judgment step is to judge whether the voltage of the part of the pixels corresponds to a voltage corresponding to a gray-scale interval, and if so, execute the voltage setting step.
- the gray scale interval is 0 ⁇ a or b ⁇ 255, where b>a.
- Another embodiment of the present invention provides a method for adjusting the voltage of a virtual pixel.
- By collecting the voltage data of the pixels on the edge of the display screen it is determined whether it belongs to the gray-scale value in the same gray-scale area, and the actual voltage value of the virtual pixel is adjusted. It is the voltage value corresponding to the collected grayscale value, thereby solving the problem that the setting of the edge column signal affects charging and causes bright and dark lines in the prior art.
- the voltage collection is partial collection, so it is aimed at part of the gray scale; while the voltage collection in one embodiment is all pixels in a frame, which can be used for all gray scales.
- the present invention also provides a display panel.
- the display panel is driven by column inversion.
- the display area of the display panel includes sub-pixels distributed in an array.
- the sub-pixels of each column have the same color.
- the display panel further includes a virtual pixel voltage adjustment system 200.
- the virtual pixel voltage adjustment system includes: a database establishment unit 201, an acquisition unit 202, a first judgment unit 203, and a voltage setting unit 204 And the second judgment unit 205.
- the database establishment unit 201 is used to obtain the voltages of all pixels in one frame of the display panel and store them in the database.
- the collection unit 202 is used to collect voltage data in the database.
- the first judging unit 203 is used to judge whether the voltage of each pixel or the voltage of a part of the pixels in a frame corresponds to the same grayscale value, and if it is, then it is transferred to the voltage setting unit.
- the voltage setting unit 204 is used for setting the voltage value of the virtual pixel to the voltage corresponding to the gray scale value.
- the second judging unit 205 is used to judge whether to switch the screen, and if so, loop the database establishment step, the collection step, the first judgment step, and the voltage setting step; if not, maintain the virtual The voltage of the pixel.
- the database establishing unit 201, the collecting unit 202, the first determining unit 203, the voltage setting unit 204, and the second determining unit 206 are integrated on the common electrode of the array substrate of the display panel.
- the present invention provides a display panel.
- the display panel includes a virtual pixel voltage adjustment system.
- the system collects voltage data of display screen pixels by controlling an acquisition unit, determines whether they belong to the same grayscale value, and compares the actual voltage of the virtual pixel. The value is adjusted to the voltage value corresponding to the collected grayscale value, thereby solving the problem of bright and dark lines caused by the influence of the setting of the edge column signal on the charging in the prior art.
- the virtual pixels can be dynamically adjusted according to the detected grayscale value changes.
- the present invention provides a storage medium with a computer program stored on the storage medium, and the method can be implemented when a processor executes the computer program.
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Abstract
一种虚拟像素的电压调节方法、显示面板及存储介质，通过采集显示画面像素的电压数据(S3)，判断是否属于同一灰阶值(S4)，并将虚拟像素的实际电压值调整为采集的灰阶值对应的电压值(S5)，从而解决现有技术中边缘列信号设定影响充电导致亮暗线的问题。当切换画面的时候，可以根据检测的灰阶值变化对虚拟像素进行动态调节。
Description
本发明涉及显示技术领域，尤其涉及一种虚拟像素的电压调节方法、显示面板及存储介质。
如图1所示的像素架构，面板左右边缘处各添加了一列虚拟像素10（dummy pixel），该虚拟像素10并不起显示作用，可以接入电信号，但是无法输出。当采用列反转（column）驱动方式时，由阵列基板公共电极芯片设定，最边缘列的数据线信号为虚拟像素10提供电压信号，若采取固定灰阶对应的电压，则边缘列数据信号在高低电压间来回翻转，非边缘列数据信号为固定电压的直流信号。
如图2所示，数据电压以200灰阶（偶数列像素）和128灰阶（奇数列像素）为例。在显示纯灰阶画面时，由于面板内信号存在延迟，高低翻转的信号存在一定的爬升时间11（rising time）和下降时间12（falling time），对像素充电影响较大。当芯片设定的虚拟像素的电位高于边缘列显示的灰阶时，边缘列像素的显示会偏亮，即表现边缘亮红线；当设定的虚拟像素的电位低于边缘列显示的灰阶时，边缘列会偏暗，即表现边缘暗红线，对于大尺寸面板来说，面内数据信号延迟更加严重，导致的边缘亮暗线更加明显。
本发明的目的在于，提供一种虚拟像素的电压调节方法、显示面板及存储介质，通过动态的控制边缘像素的电压，可以有效的解决边缘亮暗线等问题。
为解决所述问题，本发明提供一种虚拟像素的电压调节方法，包括：数据库建立步骤，获取显示面板一帧内的所有像素的电压数据存入至数据库中；采集步骤，采集所述数据库中的电压数据；第一判断步骤，判断一帧内的每一个像素的电压或部分像素的电压是否对应同一灰阶值，若是，则执行下一步骤；电压设置步骤，将虚拟像素的电压值设置为所述灰阶值对应的电压。
进一步地，还包括：第二判断步骤，判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
进一步地，所述第一判断步骤中，所述部分像素为靠近所述虚拟像素的边缘的列像素。
进一步地，在所述第一判断步骤之后，还包括：第三判断步骤，判断所述部分像素的电压是否对应一灰阶区间所对应的电压，若是，则执行所述电压设置步骤。
进一步地，所述灰阶区间为0~a或b~255，其中，b>a。
进一步地，在所述数据库建立步骤之前，还包括：准备步骤，提供所述显示面板并点亮画面，所述显示面板包括显示区，所述显示区阵列分布的列子像素，每一列子像素的颜色相同，所述显示区的两侧分别设有一列虚拟像素。
本发明还提供一种显示面板，其特征在于，包括一虚拟像素的电压调节系统，所述虚拟像素的电压调节系统包括：数据库建立单元，用以获取所述显示面板一帧内的所有像素的电压数据以及存入至数据库中；采集单元，用以采集所述数据库中的电压数据；第一判断单元，用以判断一帧内的每一个像素的电压或部分像素的电压是否对应同一灰阶值，若是，则执行下一步骤；电压设置单元，用以将所述虚拟像素的电压值设置为所述灰阶值对应的电压。
进一步地，所述虚拟像素的电压调节系统还包括：第二判断单元，判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
进一步地，所述数据库建立单元、所述采集单元、所述第一判断单元以及所述电压设置单元集成于所述显示面板的阵列基板公共电极上。
本发明还提供一种存储介质，该存储介质上存储有计算机程序，在处理器执行所述计算机程序时可实现所述的方法。
本发明提供了一种虚拟像素的电压调节方法、显示面板及存储介质，通过采集显示画面像素的电压数据，判断是否属于同一灰阶值，并将虚拟像素的实际电压值调整为采集的该灰阶值对应的电压值，从而解决现有技术中边缘列信号设定影响充电导致亮暗线的问题。并且当切换画面的时候，可以根据检测的灰阶值变化对虚拟像素进行动态调节。
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为现有技术像素排布的平面图；
图2为现有技术数据信号的波形图；
图3为本发明一实施例提供虚拟像素的电压调节方法的流程图；
图4是本发明另一实施例提供虚拟像素的电压调节方法的流程图；
图5是本发明提供的虚拟像素的电压调节系统的功能模块图。
以下是各实施例的说明是参考附加的图式，用以例示本发明可以用实施的特定实施例。本发明所提到的方向用语，例如上、下、前、后、左、右、内、外、侧等，仅是参考附图式的方向。本发明提到的元件名称，例如第一、第二等，仅是区分不同的元部件，可以更好的表达。在图中，结构相似的单元以相同标号表示。
本文将参照附图来详细描述本发明的实施例。本发明可以表现为许多不同形式，本发明不应仅被解释为本文阐述的具体实施例。本发明提供实施例是为了解释本发明的实际应用，从而使本领域其他技术人员能够理解本发明的各种实施例和适合于特定预期应用的各种修改方案。
如图3所示，本发明一实施例提供一种虚拟像素的电压调节方法，包括如下步骤S1~
S7。
S1准备步骤，提供一显示面板并点亮画面，所述显示面板包括一显示区，所述显示面板为列反转驱动，所述显示区包括阵列分布的列子像素，每一列子像素的颜色相同，所述显示区两侧分别设有一列虚拟像素。
S2数据库建立步骤，获取所述显示面板一帧内的所有像素的电压存入至数据库中。
S3采集步骤，采集所述数据库中的电压数据。
S4第一判断步骤，判断一帧内的每一个像素的电压的电压数据是否对应同一灰阶值，若是，则执行下一步骤。
S5电压设置步骤，将所述虚拟像素的电压值设置为所述灰阶值对应的电压。
S6第二判断步骤，判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
本发明一实施例提供了一种虚拟像素的电压调节方法，通过采集显示画面像素的电压数据，判断是否属于同一灰阶值，并将虚拟像素的实际电压值调整为采集的该灰阶值对应的电压值，从而解决现有技术中边缘列信号设定影响充电导致亮暗线的问题。
并且当切换画面的时候，可以根据检测的灰阶值变化对虚拟像素进行动态调节。
如图4所示，本发明另一实施例提供的虚拟像素的电压调节方法，包括步骤S101~S107，与前一实施例的不同之处在于，所述第一判断步骤中，所述部分像素的电压为靠近虚拟像素的边缘列的像素电压，步骤S101~
S104与前一实施例的步骤S1~S4相同，步骤S106~S107与前一实施例的步骤S5~S6相同。
其中，在所述S104第一判断步骤之后，还包括。
S105第三判断步骤，判断所述部分像素的电压是否对应一灰阶区间所对应的电压，若是，则执行所述电压设置步骤。
所述灰阶区间为0~a或b~255，其中，b>a。
本发明另一实施例提供了一种虚拟像素的电压调节方法，通过采集显示画面边缘列像素的电压数据，判断是否属于同一灰阶区域内的灰阶值，并将虚拟像素的实际电压值调整为采集的该灰阶值对应的电压值，从而解决现有技术中边缘列信号设定影响充电导致亮暗线的问题。
另一实施例的电压采集是部分采集，所以针对部分灰阶；而一实施例的电压采集是一帧内所有的像素，可以这对全部灰阶。
本发明还提供一种显示面板，所述显示面板为列反转驱动，所述显示面板的显示区包括阵列分布的子像素，每一列子像素的颜色相同，所述显示区的两侧还分别设有一列虚拟像素。
如图5所示，所述显示面板还包括一虚拟像素的电压调节系统200，所述虚拟像素的电压调节系统包括：数据库建立单元201、采集单元202、第一判断单元203、电压设置单元204以及第二判断单元205。
所述数据库建立单元201用以获取显示面板一帧内的所有像素的电压以及存入至数据库中。
所述采集单元202用以采集所述数据库中的电压数据。
所述第一判断单元203用以判断一帧内的每一个像素的电压或部分像素的电压是否对应同一灰阶值，若是，则转入所述电压设置单元。
所述电压设置单元204用以将所述虚拟像素的电压值设置为所述灰阶值对应的电压。
所述第二判断单元205用以判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
所述数据库建立单元201、所述采集单元202、所述第一判断单元203以及所述电压设置单元204以及所述第二判断单元206集成于所述显示面板的阵列基板公共电极上。
本发明提供了一种显示面板，所述显示面板包括虚拟像素的电压调节系统，该系统通过控制采集单元采集显示画面像素的电压数据，判断是否属于同一灰阶值，并将虚拟像素的实际电压值调整为采集的该灰阶值对应的电压值，从而解决现有技术中边缘列信号设定影响充电导致亮暗线的问题。
并且当面板切换画面的时候，可以根据检测的灰阶值变化对虚拟像素进行动态调节。
本发明提供一种存储介质，该存储介质上存储有计算机程序，在处理器执行所述计算机程序时可实现所述的方法。
本发明的技术范围不仅仅局限于所述说明中的内容，本领域技术人员可以在不脱离本发明技术思想的前提下，对所述实施例进行多种变形和修改，而这些变形和修改均应当属于本发明的范围内。
Claims (10)
- 一种虚拟像素的电压调节方法，其中，包括：数据库建立步骤，获取显示面板一帧内的所有像素的电压数据存入至数据库中；采集步骤，采集所述数据库中的电压数据；第一判断步骤，判断一帧内的每一个像素的电压或部分像素的电压是否对应同一灰阶值，若是，则执行下一步骤；电压设置步骤，将虚拟像素的电压值设置为所述灰阶值对应的电压。
- 根据权利要求1所述的虚拟像素的电压调节方法，其中，还包括：第二判断步骤，判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
- 根据权利要求1所述的虚拟像素的电压调节方法，其中，所述第一判断步骤中，所述部分像素为靠近所述虚拟像素的边缘的列像素。
- 根据权利要求3所述的所述的虚拟像素的电压调节方法，其中，在所述第一判断步骤之后，还包括：第三判断步骤，判断所述部分像素的电压是否对应一灰阶区间所对应的电压，若是，则执行所述电压设置步骤。
- 根据权利要求4所述的所述的虚拟像素的电压调节方法，其中，所述灰阶区间为0~a或b~255，其中，b>a。
- 根据权利要求1所述的所述的虚拟像素的电压调节方法，其中，在所述数据库建立步骤之前，还包括：准备步骤，提供所述显示面板并点亮画面，所述显示面板包括显示区，所述显示区阵列分布的列子像素，每一列子像素的颜色相同，所述显示区的两侧分别设有一列虚拟像素。
- 一种显示面板，其中，包括一虚拟像素的电压调节系统，所述虚拟像素的电压调节系统包括：数据库建立单元，用以获取所述显示面板一帧内的所有像素的电压数据以及存入至数据库中；采集单元，用以采集所述数据库中的电压数据；第一判断单元，用以判断一帧内的每一个像素的电压或部分像素的电压是否对应同一灰阶值，若是，则执行下一步骤；电压设置单元，用以将所述虚拟像素的电压值设置为所述灰阶值对应的电压。
- 根据权利要求7所述的显示面板，其中，所述虚拟像素的电压调节系统还包括：第二判断单元，判断是否切换画面，若是，则循环所述数据库建立步骤、所述采集步骤、所述第一判断步骤以及所述电压设置步骤；若否，则维持所述虚拟像素的电压。
- 根据权利要求7所述的显示面板，其中，所述数据库建立单元、所述采集单元、所述第一判断单元以及所述电压设置单元集成于所述显示面板的阵列基板公共电极上。
- 一种存储介质，该存储介质上存储有计算机程序，在处理器执行所述计算机程序时可实现权利要求1中所述的方法。
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