The present invention provides a method for driving display panel, driving circuit and display device, the display panel comprises a Y grid line, in accordance with the scanning sequence of the gate line, a gate line Y will be divided into a plurality of gate lines, a gate line includes at least one gate line; the driving method is: to determine the I gate line current to be scanned; the original charging section I scanning signal corresponding to the gate line length is adjusted to an adjustment charge time, among them, the gate line of each gate line corresponding to adjust the charging time is equal, and from close to the source driver to drive the direction away from the source the gate line, a corresponding adjustment charge time increases gradually; based on article I gate line corresponding to the adjustment of charging time, the scanning signal output section I gate line corresponding to the gate lines I. In the invention, the charging time corresponding to each grid line is adjusted, the charging rate is increased, and the charging rate of the pixel line is not enough, so that the charging rate of each row pixel is the same or similar.
【技術(shù)實(shí)現(xiàn)步驟摘要】
一種顯示面板的驅(qū)動(dòng)方法、驅(qū)動(dòng)電路和顯示裝置
本專利技術(shù)涉及顯示
,尤其設(shè)計(jì)一種顯示面板的驅(qū)動(dòng)方法、驅(qū)動(dòng)電路和顯示裝置。
技術(shù)介紹
如圖1所示,液晶顯示裝置包括時(shí)序控制器(TCON)、源極驅(qū)動(dòng)器(SourceDriver)、柵極驅(qū)動(dòng)器(GateDriver)及顯示面板等。其中,顯示面板上設(shè)置有縱向的數(shù)據(jù)線(圖未示出)和橫向的柵線(圖未示出),以及位于數(shù)據(jù)線和柵線限定的像素區(qū)域中的像素陣列(圖未示出)。時(shí)序控制器用于向柵極驅(qū)動(dòng)器輸出時(shí)鐘信號(hào)CPV、使能信號(hào)OE和幀觸發(fā)信號(hào)STV等,以控制柵極驅(qū)動(dòng)器通過對(duì)應(yīng)的柵線依序?qū)ο袼仃嚵兄袑?duì)應(yīng)的像素行進(jìn)行充電,以將源極驅(qū)動(dòng)器輸出的視頻數(shù)據(jù)傳輸至對(duì)應(yīng)的像素,進(jìn)而顯示圖像。現(xiàn)有技術(shù)中,只有使能信號(hào)OE為開啟狀態(tài)時(shí),柵極驅(qū)動(dòng)器才對(duì)像素行進(jìn)行充電,即柵極驅(qū)動(dòng)器向各柵線輸出的掃描信號(hào)的維持時(shí)長(zhǎng)等于對(duì)應(yīng)的使能信號(hào)OE的開啟時(shí)間寬度。針對(duì)每一像素行,柵極驅(qū)動(dòng)器所接收的使能信號(hào)的開啟時(shí)間寬度是相同的,即對(duì)每一像素行的充電時(shí)間是相同的,這造成如下問題:源極驅(qū)動(dòng)器一般設(shè)置于顯示面板一側(cè)(請(qǐng)參考圖1),顯示面板的A位置處的像素,距離源極驅(qū)動(dòng)器較近,數(shù)據(jù)線上的RCDelay(RC延遲)較小,像素充電率較好,畫面顯示較亮,在顯示面板的B位置處的像素,由于遠(yuǎn)離源極驅(qū)動(dòng)器,數(shù)據(jù)線上的RCDelay較大,像素充電率較差,畫面顯示偏暗。也就是說,現(xiàn)有的顯示面板中,距離源極驅(qū)動(dòng)器較近的像素行的充電率較高,距離源極驅(qū)動(dòng)器較遠(yuǎn)的像素行的充電率較低,顯示面板的整面的充電率不一致,從而導(dǎo)致畫面顯示不良。
技術(shù)實(shí)現(xiàn)思路
有鑒于此,本專利技術(shù)提供一種顯示面板的驅(qū)動(dòng)方法 ...
【技術(shù)保護(hù)點(diǎn)】
一種顯示面板的驅(qū)動(dòng)方法,其特征在于,所述顯示面板包括Y條柵線,按照柵線的掃描順序,將Y條柵線劃分為多個(gè)柵線組,其中每一柵線組中包括至少一條柵線;所述驅(qū)動(dòng)方法包括:確定當(dāng)前待掃描的第i條柵線,1≤i≤Y;將第i條柵線對(duì)應(yīng)的掃描信號(hào)的原始充電時(shí)長(zhǎng)調(diào)整至一調(diào)整充電時(shí)長(zhǎng),其中,每一柵線組中各柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)相等,且從靠近源極驅(qū)動(dòng)器到遠(yuǎn)離所述源極驅(qū)動(dòng)器的方向上,所述柵線組對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)逐漸增大;基于第i條柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng),將第i條柵線對(duì)應(yīng)的掃描信號(hào)輸出至第i條柵線。
【技術(shù)特征摘要】
1.一種顯示面板的驅(qū)動(dòng)方法,其特征在于,所述顯示面板包括Y條柵線,按照柵線的掃描順序,將Y條柵線劃分為多個(gè)柵線組,其中每一柵線組中包括至少一條柵線;所述驅(qū)動(dòng)方法包括:確定當(dāng)前待掃描的第i條柵線,1≤i≤Y;將第i條柵線對(duì)應(yīng)的掃描信號(hào)的原始充電時(shí)長(zhǎng)調(diào)整至一調(diào)整充電時(shí)長(zhǎng),其中,每一柵線組中各柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)相等,且從靠近源極驅(qū)動(dòng)器到遠(yuǎn)離所述源極驅(qū)動(dòng)器的方向上,所述柵線組對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)逐漸增大;基于第i條柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng),將第i條柵線對(duì)應(yīng)的掃描信號(hào)輸出至第i條柵線。2.根據(jù)權(quán)利要求1所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,各柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)的總和與各柵線對(duì)應(yīng)的原始充電時(shí)長(zhǎng)的總和相同。3.根據(jù)權(quán)利要求1所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,所述將第i條柵線對(duì)應(yīng)的掃描信號(hào)的原始充電時(shí)長(zhǎng)調(diào)整至一調(diào)整充電時(shí)長(zhǎng)的步驟之前還包括:預(yù)先存儲(chǔ)每一柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)。4.根據(jù)權(quán)利要求3所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,預(yù)先存儲(chǔ)的第i條柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)通過以下方式得到:確定第i行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要調(diào)整的寬度,得到第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度;根據(jù)第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度,確定第i行柵線對(duì)應(yīng)的調(diào)整充電時(shí)長(zhǎng)。5.根據(jù)權(quán)利要求4所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,所述確定第i行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要調(diào)整的寬度,得到第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度的步驟包括:確定第一行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要減小的寬度k0;計(jì)算第一行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度n(1),其中,n(1)=HB-k0;計(jì)算第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度與n(1)的差值Δk,其中,Y為所述顯示面板上的所有柵線的總數(shù),m為所述柵線組的總數(shù);計(jì)算第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度n(i),其中,n(i)=HB-k0+Δk,HB為所述視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)的寬度。6.根據(jù)權(quán)利要求4所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,所述確定第i行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要調(diào)整的寬度,得到第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度的步驟包括:確定第一行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要減小的寬度k0;計(jì)算第一行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度n(1),其中,n(1)=HB-k0;計(jì)算第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度與n(1)的差值Δk,其中,A為指數(shù),Y為所述顯示面板上的所有柵線的總數(shù),m為所述柵線組的個(gè)數(shù);計(jì)算第i行柵線對(duì)應(yīng)的調(diào)整后的H-Blank數(shù)據(jù)的寬度n(i),其中,n(i)=HB-k0+Δk,HB為所述視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)的寬度。7.根據(jù)權(quán)利要求5或6所述的顯示面板的驅(qū)動(dòng)方法,其特征在于,所述確定第一行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)需要減小的寬度k0的步驟包括:計(jì)算第1行柵線對(duì)應(yīng)的視頻數(shù)據(jù)中的H-Blank數(shù)據(jù)最大能夠減少的寬度k,其...
【專利技術(shù)屬性】
技術(shù)研發(fā)人員:周留剛,汪建明,栗首,李濤,施園,
申請(qǐng)(專利權(quán))人:京東方科技集團(tuán)股份有限公司,北京京東方顯示技術(shù)有限公司,
類型:發(fā)明
國(guó)別省市:北京,11
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