TW201734985A - 一種無邊框顯示裝置及其製備方法 - Google Patents
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Abstract
一種無邊框顯示裝置及其製備方法,所述的無邊框顯示裝置包括形成在剛性基板上的柔性襯底,所述柔性襯底上設有顯示區域和非顯示區域,所述顯示區域上設有有機發光層,所述非顯示區域對應的剛性基板去除後,再將非顯示區域的柔性襯底的折彎後固定在所述顯示裝置的側面或背面。本發明的無邊框顯示裝置可實現真正無邊框顯示幕體,進一步提高螢幕占比,極大的改良視覺效果。
Description
本發明涉及平板顯示技術領域,具體涉及無邊框顯示裝置及其製備方法。
隨著顯示技術的不斷發展,OLED(有機發光二極體)因其發光亮度高、色彩豐富、低壓直流驅動、製備工藝簡單等優點,日益成為國際研究的熱點。OLED視野範圍更廣,可製成更大尺寸的產品,可滿足用戶對不同尺寸的要求。上述突出的優點決定了OLED將成為下一代顯示技術的主流。
目前,市場上現有顯示幕包括顯示區域和邊框,為使OLED顯示器外觀看起來簡單、時尚,窄邊框化的OLED已成為OLED顯示器發展的趨勢。現有的OLED顯示面板陣列層的側邊需要用於電路走線,因此所謂的無邊框顯示其實都是會預留IC或週邊電路部分,只是將此部分面積做小而已,只能說是極窄邊框或者是超窄邊框顯示,並非真正無邊框顯示,如CN201110414415公開了一種顯示裝置,其週邊電路和部分佈線經折疊後形成弧狀結構,通過可折疊基底在佈線部分中間部分折疊後形成窄邊框顯示幕。
為此,本發明所要解決的技術問題現有的OLED顯示面板陣列層的側邊需要電路走線導致無法製備無邊框顯示裝置的問題,提供一種
無邊框顯示裝置,可實現真正的無邊框顯示幕體,進一步提高螢幕占比,極大的改良視覺效果。
本發明主要目的在於提供一種無邊框顯示裝置及其製備方法,可實現真正的無邊框顯示幕體,進一步提高螢幕占比,極大的改良視覺效果。
為達上述之目的,本發明所設一種無邊框顯示裝置,包括柔性襯底,所述柔性襯底上設有顯示區域和非顯示區域,所述顯示區域上設有有機發光層,所述非顯示區域的柔性襯底的折彎後固定在所述顯示裝置的側面或背面。
實施時,所述柔性襯底設置在剛性基板上。
實施時,所述非顯示區域沿顯示區域和非顯示區域之間的分界線折彎後固定在所述顯示裝置的側面或背面。
實施時,所述的非顯示區域為設置有IC區域和GIP區域,所述的GIP區域為鏤空結構。
實施時,位於所述顯示區域相鄰兩側的非顯示區域之間為斷開結構。
實施時,還包括設置在所述剛性基板遠離所述有機發光層一側的驅動電路板及元件,所述的驅動電路板及元件與所述的顯示區域的在所述柔性襯底上的投影重疊。
實施時,所述的無邊框顯示裝置為頂發光顯示裝置時,所述的非顯示區域經折彎後固定在所述驅動電路板及元件的背面;所述的無邊
框顯示裝置為底發光顯示裝置時,所述的非顯示區域經折彎後固定在所述驅動電路板及元件的側面。
本發明所設一種無邊框顯示裝置的製備方法,包括下述步驟:S1、在剛性基板上設置柔性襯底,並將柔性襯底劃分為顯示區域和非顯示區域,在剛性基板遠離所述柔性襯底一側設置驅動電路板及元件;S2、在所述的顯示區域上製備有機發光層,在所述非顯示區域上製備IC和GIP;S3、切除掉與非顯示區域對應位置的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的側面或背面。
實施時,所述的顯示裝置為底發光顯示裝置時,所述的步驟S3為:將GIP所在的非顯示區域製作為鏤空結構後,切除掉與非顯示區域對應的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的側面。
實施時,所述的顯示裝置為頂發光顯示裝置時,所述的步驟S3為:將GIP所在的非顯示區域製作為鏤空結構後,切除掉與非顯示區域對應的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的背面。
為進一步了解本發明,以下舉較佳之實施例,配合圖式、圖號,將本發明之具體構成內容及其所達成的功效詳細說明如下。
1‧‧‧剛性基板
2‧‧‧顯示區域
3‧‧‧非顯示區域
4‧‧‧驅動電路板及元件
5‧‧‧線路
6‧‧‧鏤空結構
第1-1圖至第1-3圖係為本發明實施例無邊框顯示裝置製備過
程的結構示意圖。
第2圖係為本發明實施例非顯示區域被製作為鏤空結構的示意圖。
本發明可以以許多不同的形式實施,而不應該被理解為限於在此闡述的實施例。相反,提供這些實施例,使得本公開將是徹底和完整的,並且將把本發明的構思充分傳達給本領域技術人員,本發明將僅由權利要求來限定。在附圖中,為了清晰起見,會誇大層和區域的尺寸和相對尺寸。應當理解的是,當元件例如層、區域或剛性基板被稱作“形成在”或“設置在”另一元件“上”時,該元件可以直接設置在所述另一元件上,或者也可以存在中間元件。相反,當元件被稱作“直接形成在”或“直接設置在”另一元件上時,不存在中間元件。
如第1-1圖所示,本發明的一種無邊框顯示裝置,包括形成在剛性基板1上的柔性襯底,所述柔性襯底上設有顯示區域2和非顯示區域3,所述顯示區域2上設置有陽極層、有機發光層和陰極層,所述非顯示區域3對應的剛性基板1去除後,再將非顯示區域3的柔性襯底折彎後固定在所述顯示裝置的側面或背面。所述的有機發光層包括空穴注入層和/或空穴傳輸層,發光層,電子傳輸層和/或電子注入層。
所述非顯示區域3沿顯示區域2和非顯示區域3之間的分界線折彎後固定在所述顯示裝置的側面或背面。所述的非顯示區域3為第2圖所示的鏤空結構6,所述的鏤空結構6保留了線路5鄰近區域的柔性基板,這種柵極驅動電路(簡稱為GIP)製作成鏤空結構,能夠有效釋放彎曲應力,可
呈90°彎折而不損壞線路。
位於所述顯示區域2相鄰兩側的非顯示區域3之間為斷開結構,具體如第1-2圖所示,所述的柵極驅動電路(GIP)所在的非顯示區域和積體電路(簡稱為IC)所在的非顯示區域之間為斷開結構,這種斷開結構可以使柵極驅動電路(GIP)所在的非顯示區域和IC所在的非顯示區域分別沿分界線折彎後固定在所述顯示裝置的側面或背面。
如第1-3圖所示,本發明的無邊框顯示裝置還包括設置在所述剛性基板遠離所述有機發光層一側的驅動電路板及元件4,所述的驅動電路板及元件4與所述的顯示區域2在所述柔性襯底上的投影重疊。
所述的無邊框顯示裝置為頂發光顯示裝置時,所述的非顯示區域3經折彎後固定在所述驅動電路板及元件4的背面。如第1-3圖所示,這裏所說的驅動電路板及元件4的背面是指驅動電路板及元件4朝向剛性基板的內側面,由於是頂發光顯示裝置,因此將折彎後的非顯示區域3固定在驅動電路板及元件4的背面不會對顯示區域2發出的光造成遮擋。
所述的無邊框顯示裝置為底發光顯示裝置時,所述的非顯示區域3經折彎後固定在所述驅動電路板及元件4的側面。這裏所說的驅動電路板及元件4的側面是指驅動電路板及元件4的位於所述顯示區域2的投影範圍之外的週邊周邊的面,對於底發光顯示裝置,將折彎後的非顯示區域3固定在驅動電路板及元件4的位於顯示區域2的投影範圍之外的週邊周邊的面上,而驅動電路板及元件4本身是透明的,從而避免了對顯示區域2發出的光造成遮擋。
一種無邊框顯示裝置的製備方法,包括下述步驟:
S1、在剛性基板1上設置柔性襯底,並將柔性襯底劃分為顯示區域2和非顯示區域3;S2、在所述的顯示區域2上製備有機發光層,在所述非顯示區域3上製備IC和柵極驅動電路(GIP)等;S3、切除掉與非顯示區域3對應位置的剛性基板,並將所述的非顯示區域3折彎後固定在所述剛性基板的側面或背面。
所述的顯示裝置為底發光顯示裝置時,所述的步驟S3為:將GIP所在的非顯示區域製作為鏤空結構6後,切除掉與非顯示區域3對應的剛性基板,並將所述的非顯示區域3折彎後固定在所述驅動電路板及元件4的側面。如上所述,由於是頂發光顯示裝置,因此將折彎後的非顯示區域3固定在驅動電路板及元件4的背面不會對顯示區域2發出的光造成遮擋。
所述的顯示裝置為頂發光顯示裝置時,所述的步驟S3為:將週邊電路所在的非顯示區域製作為鏤空結構6後,切除掉與非顯示區域3對應的剛性基板,並將所述的非顯示區域3折彎後固定在所述驅動電路板及元件4的背面。如上所述,對於底發光顯示裝置,將折彎後的非顯示區域3固定在驅動電路板及元件4的位於顯示區域2的投影範圍之外的週邊周邊的面上,而驅動電路板及元件4本身是透明的,從而避免了對顯示區域2發出的光造成遮擋。
本發明提供的無邊框顯示裝置是將非顯示區域對應的剛性基板去除後,再將非顯示區域的柔性襯底的折彎後固定在所述顯示裝置的側面或背面形成,由於是柔性襯底直接折彎,可實現真正無邊框顯示幕體,進一步提高螢幕占比,極大的改良視覺效果。
如無特別說明,本發明中的器件各層採用材料如下:陽極層可以採用無機材料或有機導電聚合物。無機材料一般為氧化銦錫(ITO)、氧化鋅(ZnO)、氧化銦鋅(IZO)等金屬氧化物或金、銅、銀等功函數較高的金屬,優選ITO;有機導電聚合物優選為聚噻吩/聚乙烯基苯磺酸鈉(以下簡稱PEDOT/PSS)、聚苯胺(以下簡稱PANT)中的一種。
陰極層一般採用鋰、鎂、鈣、鍶、鋁、銦等功函數較低的金屬或它們與銅、金、銀的合金,或金屬與金屬氟化物交替形成的電極層。本發明中陰極優選為Al層。
空穴傳輸層的材料可以選自芳胺類,哢唑類和枝聚物類低分子材料,優選NPB和TCTA。
所述空穴注入層的材料例如可採用2,3,6,7,10,11-六氰基-1,4,5,8,9,12-六氮雜苯並菲HAT-CN摻雜F4TCNQ,或者採用銅酞菁(CuPc),或可為金屬氧化物類,如氧化鉬,氧化錸。
發光層的發光材料可以選自香豆素類如DMQA或C545T,或雙吡喃類如DCJTB或DCM等螢光染料,或含Ir,Pt,Os,Ru,Rh,Pd,鑭系,錒系等金屬配合物。
螢光染料在發光層中的摻雜濃度不高於5wt%,磷光染料在發光層中的摻雜濃度不高於30wt%。所述的摻雜濃度=染料品質/(染料品質+主體材料品質)×100%。
發光層的主體材料可選自常用於基質材料的材料,如4,4’-二(哢唑基-9-)聯苯CBP。
本發明的電子傳輸層的材料可採用常用於電子傳輸層的材
料,如芳香稠環類(如Pentacene、苝)或鄰菲咯啉類(如Bphen、BCP)化合物。
所述柔性襯底可採用聚酯類、聚醯亞胺類化合物材料或者薄金屬片。所述層疊及封裝可採用本領域技術人員已知的任意合適方法。
因此,本發明所設之一種無邊框顯示裝置及其製備方法,相比現有技術具有之以下優點:
1、本發明提供的無邊框顯示裝置是將非顯示區域對應的剛性基板去除後,再將非顯示區域的柔性襯底的折彎後固定在所述顯示裝置的側面或背面形成,由於是柔性襯底直接折彎,可實現真正無邊框顯示幕體,進一步提高螢幕占比,極大的改良視覺效果。
2、本發明將非顯示區域製作為鏤空結構,所述的鏤空結構保留了線路鄰近區域的柔性基板,這種鏤空結構能夠有效釋放彎曲應力,可呈90°彎折而不損壞線路。
以上所述乃是本發明之具體實施例及所運用之技術手段,根據本文的揭露或教導可衍生推導出許多的變更與修正,仍可視為本發明之構想所作之等效改變,其所產生之作用仍未超出說明書及圖式所涵蓋之實質精神,均應視為在本發明之技術範疇之內,合先陳明。
綜上所述,依上文所揭示之內容,本發明確可達到發明之預期目的,提供一種無邊框顯示裝置及其製備方法,極具實用性與產業上利用之價值,爰依法提出發明專利申請。
2‧‧‧顯示區域
3‧‧‧非顯示區域
Claims (10)
- 一種無邊框顯示裝置,包括柔性襯底,所述柔性襯底上設有顯示區域和非顯示區域,所述顯示區域上設有有機發光層,其改良在於,所述非顯示區域的柔性襯底折彎後固定在所述顯示裝置的側面或背面。
- 如申請專利範圍第1項所述之一種無邊框顯示裝置,其中所述柔性襯底設置在剛性基板上。
- 如申請專利範圍第1或2項所述之一種無邊框顯示裝置,其中所述非顯示區域沿顯示區域和非顯示區域之間的分界線折彎後固定在所述顯示裝置的側面或背面。
- 如申請專利範圍第3項所述之一種無邊框顯示裝置,其中所述的非顯示區域設置有IC區域和GIP區域,所述的GIP區域為鏤空結構。
- 如申請專利範圍第4項所述之一種無邊框顯示裝置,其中位於所述顯示區域相鄰兩側的非顯示區域之間為斷開結構。
- 如申請專利範圍第5項所述之一種無邊框顯示裝置,其中還包括設置在所述剛性基板遠離所述有機發光層一側的驅動電路板及元件,所述的驅動電路板及元件與所述的顯示區域的在所述柔性襯底上的投影重疊。
- 如申請專利範圍第6項所述之一種無邊框顯示裝置,其中所述的無邊框顯示裝置為頂發光顯示裝置時,所述的非顯示區域經折彎後固定在所述驅動電路板及元件的背面;所述的無邊框顯示裝置為底發光顯示裝置時,所述的非顯示區域經折彎後固定在所述驅動電路板及元件的側面。
- 一種無邊框顯示裝置的製備方法,其包括下述步驟: S1、在剛性基板上設置柔性襯底,並將柔性襯底劃分為顯示區域和非顯示區域,在所述剛性基板遠離所述柔性襯底一側設置驅動電路板及元件;S2、在所述的顯示區域上製備有機發光層,在所述非顯示區域上製備IC和GIP;S3、切除掉與非顯示區域對應位置的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的側面或背面。
- 如申請專利範圍第8項所述之一種無邊框顯示裝置的製備方法,其中所述的顯示裝置為底發光顯示裝置時,所述的步驟S3為:將GIP所在的非顯示區域製作為鏤空結構後,切除掉與非顯示區域對應的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的側面。
- 如申請專利範圍第8項所述之一種無邊框顯示裝置的製備方法,其中所述的顯示裝置為頂發光顯示裝置時,所述的步驟S3為:將GIP所在的非顯示區域製作為鏤空結構後,切除掉與非顯示區域對應的剛性基板,並將所述的非顯示區域折彎後固定在所述驅動電路板及元件的背面。
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JP6625748B2 (ja) | 2019-12-25 |
US10482799B2 (en) | 2019-11-19 |
KR102124560B1 (ko) | 2020-06-19 |
EP3364400A1 (en) | 2018-08-22 |
US20180357941A1 (en) | 2018-12-13 |
TWI621112B (zh) | 2018-04-11 |
EP3364400A4 (en) | 2019-01-02 |
KR20180081770A (ko) | 2018-07-17 |
EP3364400B1 (en) | 2019-10-02 |
WO2017101677A1 (zh) | 2017-06-22 |
CN106887187A (zh) | 2017-06-23 |
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