TWI693451B - 畫素結構、顯示面板及顯示面板的控制方法 - Google Patents
畫素結構、顯示面板及顯示面板的控制方法 Download PDFInfo
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Abstract
本發明提供一種畫素結構、顯示面板及顯示面板的控制方法。所述畫
素結構包括以矩陣形式排佈的複數個畫素單元,所述每一畫素單元包括第一子畫素(101)、第二子畫素(102)及第三子畫素(103);在所述畫素單元中,所述第三子畫素(103)排佈在一排,所述第一子畫素(101)與所述第二子畫素(102)排佈在另一排,所述第二子畫素(102)的發光面積大於所述第三子畫素(103)的發光面積,所述第三子畫素(103)的發光面積大於所述第一子畫素(101)的發光面積。以此實現提高畫素開口率,提高顯示效果及產品壽命的效果。
Description
本發明涉及顯示技術領域,特別是涉及一種畫素結構、顯示面板及顯示面板的控制方法。
有源(主動)矩陣有機發光二極體(Active-matrix Organic Light Emitting Diode,AMOLED)為近年來新興之一種全新顯示屏,由驅動陣列與有機發光材料兩部分組成。隨著對顯示效果的需求提升,提高畫素數目已經成為行業的必然趨勢。為了將子畫素尺寸做的越來越小,在有機發光二極體(Organic Light Emitting Diode,OLED)蒸鍍製程能力、掩膜版製程能力不變的條件下,會導致畫素開口率降低,導致OLED壽命降低,因此考慮減少子畫素個數,通過相鄰子畫素之間互相借用的方法,類比全彩化的顯示效果,產生了許多種畫素排佈,但是,隨著子畫素數目的增高,仍然難以達到壽命需求。
本發明主要解決的技術問題在於提供一種畫素結構、顯示面板及顯示面板的控制方法,以實現提高畫素開口率,提高顯示效果及產品壽命之目的。
為解決上述技術問題,本發明採用之一個技術手段為:提供一種畫素結構,所述畫素結構包括:複數個畫素單元在第一方向與第二方向上以矩陣形式排佈,所述每一畫素單元的子畫素由第一子畫素、第二子畫素及第三子畫素組成;在所述畫素單元中,所述第三子畫素在第一方向上排佈在一排,所述第一子畫素與所述第二子畫素在第一方向上排佈在另一排,所述第二子畫素的發光面積大於所述第三子畫素的發光面積,所述第三子畫素的發光面積大於所述第一子畫素的發光面積,所述第一方向與第二方向相交。
為解決上述技術問題,本發明採用之另一個技術手段為:提供一種顯示面板,所述顯示面板包括上述的畫素結構。
為解決上述技術問題,本發明採用之又一個技術手段為:提供一種顯示面板的控制方法,所述方法包括:輸送掃描信號給每一排畫素單元中的每一子畫素,以控制每一排畫素單元中連接每一子畫素的薄膜電晶體導通;在第一時間段內,輸送資料信號給第j、j+1...j+i排畫素單元中的每一子畫素發光;在第二時間段內,輸送資料信號給第k、k+1...k+i排畫素單元中的每一子畫素發光,j、k、i均為正整數;所述第j排畫素單元與第j+1排畫素單元沿第一方向;所述第k排畫素單元由所述第j排與第j+1排畫素單元的在所述第二方向中的相鄰子畫素組合而成。
在一個實施例中,所述第一子畫素與所述第二子畫素沿第一方向的總尺寸大於所述第三子畫素沿第一方向的尺寸。
在一個實施例中,在所述第二方向上,所述第三子畫素的投影與所述第一子畫素的投影與第二子畫素的投影至少部分重疊。
在一個實施例中,所述第一子畫素為紅色子畫素,所述第二子畫素為綠色子畫素,所述第三子畫素為藍色子畫素。
在一個實施例中,所述第一子畫素、所述第二子畫素及所述第三子畫素的發光面積的比例為1:1.84:1.68。
在一個實施例中,所述畫素單元為長方形。
在一個實施例中,所述畫素單元沿第二方向的總尺寸與沿第一方向的總尺寸比值為3:2。
在一個實施例中,所述複數個畫素單元排佈成畫素陣列。在所述畫素陣列中,在第二方向上,第n排的複數個畫素單元與第n+1排的複數個畫素單元嚙合,並且第n排的第i畫素單元的第三子畫素與第n+1排的第i畫素單元的第一子畫素與第二子畫素對齊,所述第n排的第i畫素單元的第一子畫素與第二子畫素與第n+1排的第i畫素單元的第三子畫素對齊,第n排的複數個畫素單元與第n+2排的複數個畫素單元的排列方式相同,n、i均為正整數。
本發明之功效在於:區別於先前技術的情況,本發明通過將所述第三子畫素排佈在一排,所述第一子畫素與所
述第二子畫素排佈在另一排,且所述第二子畫素的發光面積大於所述第三子畫素的發光面積,所述第三子畫素的發光面積大於所述第一子畫素的發光面積。以實現提高畫素開口率,提高顯示效果及產品壽命的效果。
101‧‧‧第一子畫素
102‧‧‧第二子畫素
103‧‧‧第三子畫素
104‧‧‧畫素單元
105、107、109‧‧‧發光面積
106、108、110‧‧‧非發光面積
502‧‧‧畫素排佈
700‧‧‧顯示面板
701‧‧‧畫素結構
702‧‧‧掃描驅動晶片
703‧‧‧資料驅動晶片
T1‧‧‧總尺寸
T2‧‧‧總尺寸
第1圖是本申請畫素結構第一實施例的結構示意圖。
第2圖是第1圖中畫素單元的結構示意圖。
第3圖是本申請畫素結構第二實施例的結構示意圖。
第4圖是本申請顯示面板的結構示意圖。
第5圖是本申請顯示面板顯示方法示意圖。
下面結合附圖與實施例對本申請進行詳細的說明。
需要說明的是,附圖均採用非常簡化的形式且均使用非精准的比例,僅用以方便、清晰地輔助說明本申請實施例之目的,各個附圖中只表示出相應結構的一部分,而實際產品可依據實際顯示需要做相應變化。此外,本申請中所述第一行、第二行、第一列、第二列……均是為說明本申請而以圖中所示為參考標準的,並非指實際產品中的行與列。
還需要說明的是,在本實施例中,將所述第一方向稱為列方向(豎直方向,Y方向),所述第二方向稱為行方向(橫向方向,X方向),所述第一方向與第二方向垂直。
請參見第1圖,是本發明畫素結構第一實施例的結構示意圖,所述畫素結構包括:複數個畫素單元104以矩陣形式排佈,所述每一畫素單元包括第一子畫素101、第二子畫素102及第三子畫素103。
在所述畫素單元中,所述第三子畫素103排佈在一列,所述第一子畫素101與所述第二子畫素102排佈在另一列,所述第二子畫素102的發光面積大於所述第三子畫素103的發光面積,所述第三子畫素103的發光面積大於所述第一子畫素101的發光面積。
其中,在本實施例中,所述第一子畫素101與所述第二子畫素102沿第一方向的總尺寸大於所述第三子畫素103沿第一方向的尺寸;所述第三子畫素103的投影與所述第一子畫素101的投影與所述第二子畫素102的投影在第二方向至少部分重疊。
具體而言,由於本發明中畫素單元的排佈方式更為緊湊,且所述畫素單元為長方形,所以所述畫素單元沿第二方向的總尺寸T1大於沿第一方向的總尺寸T2,如T1:T2=3:2。這樣,與傳統的正方形畫素單元(第二方向與第一方向尺寸之比為1:1)相比,這種畫素排佈結構,橫向增加了屏體的畫素間隙,有利於陣列佈線及有機發光二極體的蒸鍍。
所述第一子畫素101為紅色子畫素,所述第二子畫素102為綠色子畫素,所述第三子畫素103為藍色子畫素。結合第2圖,所述第一子畫素101包括發光面積109與非發光面積110,所述第二子畫素102包括發光面積107與非發光面
積108,所述第三子畫素103包括發光面積105與非發光面積106。第二子畫素102的發光面積107大於所述第三子畫素103的發光面積105,第三子畫素103的發光面積105大於所述第一子畫素101的發光面積109。優選地,第一子畫素101、第二子畫素102及第三子畫素103的發光面積109、107、105的比例為1:1.84:1.68。具體而言,通常的畫素排佈中,第一子畫素101(紅色子畫素)的發光面積較小,其次是第二子畫素102(綠色子畫素)的發光面積,第三子畫素103(藍色子畫素)的發光面積最大,在白光中第二子畫素102(綠色子畫素)的亮度占比最高,因此將第二子畫素102(綠色子畫素)的發光面積增大,使第二子畫素102(綠色子畫素)的發光面積大於第三子畫素103(藍色子畫素),使所述第一子畫素101、所述第二子畫素102及所述第三子畫素103的發光面積的比例為1:1.84:1.68,從而提高有機發光二極體的顯示效果。
具體而言,在每個子畫素區域的發光區中包括陰極、陽極與電致發光層(亦稱為有機發射層),其中電致發光層位於陰極與陽極之間,用於產生預定顏色光線以實現顯示,在製備顯示面板時,通常需要利用蒸鍍製程以分別在對應顏色畫素區域的發光區中形成對應顏色(紅色、綠色或藍色)的電致發光層。
在本實施例中,所述複數個畫素單元排佈成畫素陣列,在第二方向上,第n排的複數個畫素單元與第n+1排的複數個畫素單元嚙合,並且第n排的第i畫素單元的第三子畫素與第n+1排的第i畫素單元的第一子畫素與第二子畫素對
齊,所述第n排的第i畫素單元的第一子畫素和第二子畫素與第n+1排的第i畫素單元的第三子畫素對齊,第n排的複數個畫素單元與第n+2排的複數個畫素單元的排列方式相同。在這種畫素陣列中,第一方向中的每一畫素單元排都包含三個顏色不同的子畫素,並且在第二方向中的每一個畫素單元排中,相同顏色的子畫素也沒有獨立地排列成行,而是被其他顏色的子畫素穿插進來,這樣可極大地提高顯示均勻性。
具體來說,將所述畫素單元分為第1、2、3……n、n+1排,將第n排的第i個畫素單元記為(n,i)。在所述畫素陣列中,第n排的複數個畫素單元(虛線框)與第n+1排的複數個畫素單元(實線框)嚙合,並且第n排的第i畫素單元(n,i)的第三子畫素103(藍色子畫素)與第n+1排的第i畫素單元(n+1,i)的第一子畫素101(紅色子畫素)和第二子畫素102(綠色子畫素)對齊,所述第n排的第i畫素單元(n,i)的第一子畫素101(紅色子畫素)和第二子畫素102(綠色子畫素)與第n+1排的第i畫素單元(n+1,i)的第三子畫素103(藍色子畫素)對齊,第n排的複數個畫素單元與第n+2排的複數個畫素單元的排列方式相同,n、i均為正整數。
奇數行(第二方向)如第1行、第3行、第5行……第n行、第n+2行的畫素單元中,第一子畫素101與第二子畫素102排佈在右側,第三子畫素103排佈在左側;偶數行(第二方向)如第2行、第4行、第6行……第n+1行的畫素單元中,第一子畫素101與第二子畫素102排佈在左側,第三子畫素103排佈在右側。進一步的,同一行中所有的畫素單元104
的第一子畫素101排佈在一條直線上,同一行中所有的畫素單元104的第二子畫素102亦是排佈在一條直線上,及同一行中所有畫素單元104的第三子畫素103排佈在一條直線上。
在本實施例中,所述第一畫素101、第二畫素102及第三子畫素103的形狀為四邊形,在其他實施例中,所述第一子畫素101、第二畫素102及第三子畫素103的形狀為三角形、四邊形、五邊形、六邊形、八邊形中的一種或任意組合,在此不做限定。
本發明提供的畫素結構,可改善顯示清晰度,並且通過增大第二子畫素102的發光面積以提高產品的壽命。
請參見第3圖,為本發明畫素結構第二實施例的結構示意圖。本實施例與第一實施例的區別在於,將第1圖所示的畫素結構順時針旋轉90度,使得行與列進行了互換,若仍將第一方向稱為列方向(豎直方向,Y方向),第二方向稱為行方向(橫向方向,X方向),那麼,可以理解的為,第一子畫素101(紅色子畫素)與第二子畫素102(綠色子畫素)排佈在一行,第三子畫素103(藍色子畫素)排佈在另一行,所述第二子畫素102的發光面積大於所述第三子畫素103的發光面積,所述第三子畫素103的發光面積大於所述第一子畫素101的發光面積。
在本實施例中,所述第一子畫素101與第二子畫素102沿第二方向的總尺寸大於所述第三子畫素103沿第二方向的總尺寸;所述第三子畫素103的投影與所述第一子畫素
101的投影和第二子畫素102的投影在第一方向至少部分重疊。
具體而言,由於本發明中的畫素單元104的排佈方式更為緊湊,可以使得畫素單元104沿第一方向的總尺寸T1大於所述畫素單元104沿第二方向的總尺寸T2,比如是T1:T2=3:2,這樣,與傳統的正方形畫素單元(第二方向與第一方向尺寸之比為1:1)相比,這種畫素排佈結構,橫向增加了屏體的畫素間隙,有利於陣列佈線及有機發光二極體的蒸鍍。
請參閱第4圖,是本發明顯示面板的結構示意圖。所述顯示面板700包括上述任一實施例中的畫素結構701。所述畫素結構701橫向連接掃描驅動晶片,縱向連接資料驅動晶片703,需要說明的是,所述畫素結構中的每一子畫素均與所述掃描驅動晶片702之間連接一條掃描線,以從所述掃描晶片接收掃描信號,與所述資料驅動晶片703之間連接一條資料線,以從所述資料驅動晶片接收資料信號。所述顯示面板700可以為有機發光顯示面板,可以應用於手機、平板電腦、電視機、顯示器、筆記型電腦、資料相框、導航儀等任何具有顯示功能的產品或部件內。所述顯示面板的其他器件及功能與習知顯示面板相同,在此不再贅述。
請參見第5圖,顯示面板中畫素排佈502中的每一畫素單元橫向(第二方向,X方向)連接掃描驅動晶片(所第4圖中702所示),從所述掃描驅動晶片中接收掃描信號,列向(第一方向,Y方向)連接資料驅動晶片(如第4圖中703
所示),從所述資料驅動晶片接收資料信號。在顯示時,所述掃描驅動晶片輸出掃描信號給每一行畫素單元中的每一子畫素,以控制每一行畫素單元中連接每一子畫素的薄膜電晶體(圖未示)導通,所述資料驅動晶片輸出資料信號給每一子畫素,以控制所述每一子畫素發光。需要說明的是,畫素結構中每一個子畫素均連接一條掃描線及一條資料線(圖未示)。
所述畫素結構中的子畫素均橫向連接掃描驅動晶片,縱向連接資料驅動晶片,所述畫素結構的每一排畫素單元中的每一子畫素從所述掃描驅動晶片接收掃描信號,以控制每一排畫素單元中連接每一子畫素的薄膜電晶體導通。
在第一時間段內t1,所述第j、j+1、j+2……j+i排畫素單元中的子畫素從資料驅動晶片接收資料信號後使發光,在第二時間段內t2,所述第k、k+1、k+2……k+i畫素單元中的子畫素從資料驅動晶片接收電壓信號後發光;或,在第一時間段內t1,所述第k、k+1、k+2……k+i排畫素單元中的子畫素從資料驅動晶片接收電壓信號後發光,在第二時間段內t2,所述第j、j+1、j+2……j+i排畫素單元中的子畫素從資料驅動晶片接收資料信號後發光。
第一時間段與第二時間段間隔時間非常小,且由於所述畫素結構增大了畫素開口率,所以顯示亮度不變。
需要說明的是,在第1、3、5……n排(第二方向,X方向)畫素單元中,第j、j+2、j+4……排畫素單元的第三子畫素與第j+1、j+3、j+5……排畫素單元的第一子畫素和第二子畫素形成第k、k+1、k+2、k+3……排畫素單元;或,在第2、
4、6……n+1排(第二方向,X方向)畫素單元中,第j、j+2、j+4……排畫素單元的第一子畫素和第二子畫素與第j+1、j+3、j+5……排畫素單元的第三子畫素形成第k、k+1、k+2、K+3……排畫素單元。即本實施例中的2個畫素單元可以實現傳統的3個畫素單元的顯示效果。這樣,使包含本實施例所述的畫素結構的顯示面板的顯示解析度大大提高了。例如,可以由720×2340變為1080×2340,提高了顯示面板的顯示效果。
以上所述僅為本發明的實施方式,並非因此限制本發明的申請專利範圍,凡是利用本發明說明書及圖式內容所作的等效結構或等效流程變換,或直接或間接運用在其他相關的技術領域,均同理包括在本發明的申請專利範圍內。
101‧‧‧第一子畫素
102‧‧‧第二子畫素
103‧‧‧第三子畫素
104‧‧‧畫素單元
T1‧‧‧總尺寸
T2‧‧‧總尺寸
Claims (10)
- 一種畫素結構,包括:複數個畫素單元在第一方向與第二方向上以矩陣形式排佈,所述每一畫素單元的子畫素由第一子畫素(101)、第二子畫素(102)及第三子畫素(103)組成;在所述畫素單元中,所述第三子畫素(103)在第一方向上排佈在一排,所述第一子畫素(101)與所述第二子畫素(102)在第一方向上排佈在另一排,所述第二子畫素(102)的發光面積大於所述第三子畫素(103)的發光面積,所述第三子畫素(103)的發光面積大於所述第一子畫素(101)的發光面積,所述第一方向與第二方向相交。
- 根據申請專利範圍第1項所述之畫素結構,其中,所述第一子畫素(101)與所述第二子畫素(102)沿第一方向的總尺寸大於所述第三子畫素(103)沿第一方向的尺寸。
- 根據申請專利範圍第1或2項所述之畫素結構,其中,在所述第二方向上,所述第三子畫素(103)的投影與所述第一子畫素(101)的投影和第二子畫素(102)的投影至少部分重疊。
- 根據申請專利範圍第1項所述之畫素結構,其中,所述第一子畫素(101)為紅色子畫素,所述第二子畫素(102)為綠色子畫素,所述第三子畫素(103)為藍色子畫素。
- 根據申請專利範圍第1項所述之畫素結構,其中,所述第一子畫素(101)、所述第二子畫素(102)及所述第三子畫素(103)的發光面積的比例為1:1.84:1.68。
- 根據申請專利範圍第1項所述之畫素結構,其中,所述畫素單元為長方形。
- 根據申請專利範圍第6項所述之畫素結構,其中,所述畫素單元沿第二方向的總尺寸與沿第一方向的總尺寸比值為3:2。
- 根據申請專利範圍第1項所述之畫素結構,其中,所述複數個畫素單元排佈成畫素陣列,在所述畫素陣列中,在第二方向上,第n排的複數個畫素單元與第n+1排的複數個畫素單元嚙合,並且第n排的第i畫素單元的第三子畫素(103)與第n+1排的第i畫素單元的第一子畫素(101)和第二子畫素(102)對齊,所述第n排的第i畫素單元的第一子畫素(101)和第二子畫素(102)與第n+1排的第i畫素單元的第三子畫素(103)對齊,第n排的複數個畫素單元與第n+2排的複數個畫素單元的排列方式相同,n、i均為正整數。
- 一種顯示面板,包括如申請專利範圍第1-8中任一項所述之畫素結構。
- 一種控制如申請專利範圍第9所述之顯示面板的方法,包括:輸送掃描信號給每一排畫素單元中的每一子畫素,以控制每一排畫素單元中連接每一子畫素的薄膜電晶體導通;在第一時間段內,輸送資料信號給第j、j+1...j+i排畫素單元中的每一子畫素發光;在第二時間段內,輸送資料信號給第k、k+1...k+i排畫素單元中的每一子畫素發光,j、k、i均為正整數;所述第j排畫素單元與第k排畫素單元沿第一方向;所述第k排畫素單元由所述第j排與第j+1排畫素單元的在所述第二方向中的相鄰子畫素組合而成。
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US11138930B2 (en) | 2021-10-05 |
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