CN110505756A - 软性印刷电路板及显示设备 - Google Patents
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Abstract
一种软性印刷电路板包括软性基板、通孔、引脚及金属走线。通孔贯穿软性基板,以及金属走线通过通孔延伸至软性基板的两端且电性连接引脚,以压缩软性印刷电路板内侧的弯折空间,使得具有此软性印刷电路板的显示设备具有高屏占比屏幕。
Description
技术领域
本发明是有关于一种软性印刷电路板,特别是有关于一种具有通孔的软性印刷电路板。
背景技术
一般而言,显示设备包括的软性印刷电路板,软性印刷电路板包括软性基板、引脚及金属走线。当软性印装电路板与显示设备中的薄膜晶体管阵列基板进行接合时,需要在接合处预留引脚,引脚通过金属走线电性连接软性印刷电路板,然而引脚的长度会延伸超出显示设备中的薄膜晶体管阵列基板的长度,因此需要凝胶保护长度超出的引脚。另外,还需要一层保护层保护引脚的边缘,因此导致软性印刷电路板无法进一步向内侧弯折,使得显示设备无法具有高屏占比屏幕。
根据图1,显示设备100包括背光模块101、第一基板102、薄膜晶体管阵列基板103、彩色滤光片104、第二基板105、控制电路板106及软性印刷电路板107。第一基板102设置在背光模块101上,软性印刷电路板107设置在薄膜晶体管阵列基板103上,薄膜晶体管阵列基板103设置在第一基板101上,第二基板105设置在彩色滤光片104上,控制电路板106和彩色滤光片104设置在薄膜晶体管阵列基板103上,软性印刷电路板107设置在薄膜晶体管阵列基板103上。另外,彩色滤光片104和控制电路板106之间具有间隙,以及控制电路板106和软性印刷电路板107也具有间隙。具体而言,软性印刷电路板107包括软性基板108、引脚109及金属走线110。引脚109的长度会延伸超出薄膜晶体管阵列基板103的长度,引脚109的长度超出薄膜晶体管阵列基板约0.15毫米至0.2毫米,因此需要凝胶111保护超出延伸超出薄膜晶体管阵列基板103的引脚109。另外,还需要设置保护层112保护部分软性基板108的外侧,以及设置长度0.35毫米以上的保护层112保护引脚109的边缘,因此导致软性印刷电路板107无法进一步向内侧弯折。
发明内容
本发明实施例的软性印刷电路板通过通孔将金属走线延伸至软性基板的两端且电性连接引脚,以压缩软性印刷电路板内侧的弯折空间,使得具有此软性印刷电路板的显示设备具有高屏占比屏幕,以解决现有技术所存在的问题。
本发明实施例的一种软性印刷电路板包括软性基板、通孔、引脚及金属走线。通孔贯穿软性基板。金属走线通过通孔延伸至软性基板的两端电性连接引脚。
在本发明的一实施例中,软性印刷电路板还包括保护层,保护层覆盖从通孔延伸至软性基板的两端的金属走线。
在本发明的一实施例中,软性印刷电路板还包括异向性导电膜。
在本发明的一实施例中,异向性导电膜包覆引脚。
在本发明的一实施例中,通孔的内部镀有金属层。
在本发明的一实施例中,贯穿软性基板的通孔是彼此错位排列。
在本发明的一实施例中,通孔的孔径小于0.1毫米。
在本发明的另一实施例中,一种显示设备包括背光模块、第一基板、薄膜晶体管阵列基板、彩色滤光片、第二基板、控制电路板及软性印刷电路板。第一基板设置在背光模块上。薄膜晶体管阵列基板设置在第一基板上。第二基板设置在彩色滤光片上。控制电路板和彩色滤光片设置在薄膜晶体管阵列基板上。软性印刷电路板设置在薄膜晶体管阵列基板上。软性印刷电路板包括软性基板、通孔、引脚和金属走线,且通孔贯穿软性基板。
在本发明的一实施例中,金属走线通过通孔延伸至软性基板的两端电性连接引脚。
在本发明的一实施例中,引脚通金属走线与所控制电路板电性连接。
附图说明
图1是显示设备示意图;
图2是本发明实施例的显示设备示意图;
图3是本发明实施例的软性基板示意图;以及
图4是本发明另一实施例的软性基板示意图。
具体实施方式
本发明实施例的一种显示设备中的软性印刷电路板通过通孔将金属走线延伸至软性基板的两端且电性连接引脚,以压缩软性印刷电路板内侧的弯折空间,使得显示设备具有高屏占比屏幕。
根据图2,一种显示设备200包括背光模块201、第一基板202、薄膜晶体管阵列基板203、彩色滤光片204、第二基板205、控制电路板206及软性印刷电路板207。优选地,显示设备200是液晶显示器。具体而言,第一基板202设置在背光模块201上,薄膜晶体管阵列基板203设置在第一基板201上,第二基板205设置在彩色滤光片204上,控制电路板206和彩色滤光片204设置在薄膜晶体管阵列基板203上,软性印刷电路板207设置在薄膜晶体管阵列基板203上,其中第一基板202和第二基板205是玻璃基板,以及软性印刷电路板207包括软性基板208、通孔209、引脚210和金属走线211。彩色滤光片204和控制电路板206之间具有间隙,以及控制电路板206和软性印刷电路板207之间也具有间隙。另外,显示设备200还包括异向性导电膜212,异向性导电膜212包覆引脚210的底部及侧边,且引脚210设置软性基板208的内侧底部。因此,不再需要凝胶保护引脚210的侧边,也不需要在软性基板208的内侧设置保护层。再者,通孔209贯穿软性基板208,且贯穿软性基板208的通孔209是彼此错位排列。金属走线211通过通孔延伸至软性基板208的外侧两端且电性连接引脚210,使得引脚210能够通过金属走线211与控制电路板206电性连接。通孔209的内侧镀上金属层,优选地,通孔209的内侧镀上铜层,更优选地,通孔209的孔径小于0.1毫米。进一步而言,显示设备200还包括保护层213,保护层213完全覆盖从通孔209延伸至软性基板208的两端的金属走线211,以及保护层213还完全覆盖软性基板208的外侧。相较于图1,图2的软性印刷电路还能进一步向内侧弯折,进而压缩软性印刷电路板内侧的弯折空间。
根据图3,由于是直接在软性基板208上制作通孔209,而部分通孔209会彼此重迭而无法形成有效压贴,从而影响压贴效果问题。因此在软性基板208上设置贯穿软性基板208的通孔209,通孔209是彼此错位排列。另外,软性基板208的形状可以是多边形,且软性基板208也是彼此错位排列。
根据图4是另一实施在软性基板308上设置贯穿软性基板308的通孔309,通孔309是彼此错位排列。图4与图3的差别在于软性基板的形状不同。
本发明实施例的软性印刷电路板不再需要额外涂上凝胶保护引脚的侧边,也不需要在软性基板的内侧设置保护层,还能通过通孔将金属走线延伸至软性基板的两端且电性连接引脚,因此能进一步压缩软性印刷电路板内侧的弯折空间,使得显示设备具有高屏占比屏幕。
虽然本发明结合其具体实施例而被描述,应该理解的是,许多替代、修改及变化对于那些本领域的技术人员将是显而易见的。因此,其意在包含落入所附权利要求书的范围内的所有替代、修改及变化。
Claims (10)
1.一种软性印刷电路板,其特征在于,包括:
软性基板;
通孔,所述通孔贯穿所述软性基板;
引脚;以及
金属走线,其中所述金属走线通过所述通孔延伸至所述软性基板的两端电性连接所述引脚。
2.如权利要求1所述的软性印刷电路板,其特征在于,还包括保护层,所述保护层覆盖从所述通孔延伸至所述软性基板的两端的所述金属走线。
3.如权利要求1所述的软性印刷电路板,其特征在于,还包括异向性导电膜。
4.如权利要求3所述的软性印刷电路板,其特征在于,所述异向性导电膜包覆所述引脚。
5.如权利要求1所述的软性印刷电路板,其特征在于,所述通孔的内部镀有金属层。
6.如权利要求1所述的软性印刷电路板,其特征在于,贯穿所述软性基板的所述通孔是彼此错位排列。
7.如权利要求1所述的软性印刷电路板,其特征在于,所述通孔的孔径小于0.1毫米。
8.一种显示设备,其特征在于,包括:
背光模块;
第一基板,所述第一基板设置在所述背光模块上;
薄膜晶体管阵列基板,所述薄膜晶体管阵列基板设置在所述第一基板上;
彩色滤光片;
第二基板,所述第二基板设置在所述彩色滤光片上;
控制电路板,所述控制电路板和所述彩色滤光片设置在所述薄膜晶体管阵列基板上;以及
软性印刷电路板,所述软性印刷电路板设置在所述薄膜晶体管阵列基板上,其中所述软性印刷电路板包括软性基板、通孔、引脚及金属走线,其中所述通孔贯穿所述软性基板。
9.如权利要求8所述的显示设备,其特征在于,所述金属走线通过所述通孔延伸至所述软性基板的两端且电性连接所述引脚。
10.如权利要求9所述的显示设备,其特征在于,所述引脚通所述金属走线与所述控制电路板电性连接。
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CN201910694836.9A CN110505756B (zh) | 2019-07-30 | 2019-07-30 | 软性印刷电路板及显示设备 |
PCT/CN2019/106016 WO2021017117A1 (zh) | 2019-07-30 | 2019-09-16 | 软性印刷电路板及显示设备 |
US16/613,427 US20210037646A1 (en) | 2019-07-30 | 2019-09-16 | Flexible printed circuit board and display device |
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WO2022047676A1 (zh) * | 2020-09-02 | 2022-03-10 | 京东方科技集团股份有限公司 | 柔性电路板及其制备方法、触控面板及其制备方法 |
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KR20210050040A (ko) * | 2019-10-25 | 2021-05-07 | 삼성디스플레이 주식회사 | 표시 장치 |
CN111146259A (zh) * | 2019-12-31 | 2020-05-12 | 武汉华星光电半导体显示技术有限公司 | 一种显示面板及显示装置 |
TWI824277B (zh) * | 2021-08-06 | 2023-12-01 | 友達光電股份有限公司 | 顯示裝置及其製造方法 |
CN117222217B (zh) * | 2023-11-07 | 2024-01-09 | 微网优联科技(成都)有限公司 | 一种摄像头模组用电路板精密装配装置及方法 |
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