CN115342120A - 折合式金属背板 - Google Patents

折合式金属背板 Download PDF

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CN115342120A
CN115342120A CN202110690014.0A CN202110690014A CN115342120A CN 115342120 A CN115342120 A CN 115342120A CN 202110690014 A CN202110690014 A CN 202110690014A CN 115342120 A CN115342120 A CN 115342120A
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folding
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opening ratio
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陶靖雯
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Darwin Precisions Corp
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Abstract

本公开提供了一种折合式金属背板，包含有一第一板部(10)；一第二板部(20)；一折合板部(30)，连结于该第一板部(10)与第二板部(20)；该折合板部(30)接近该第一板部(10)与第二板部(20)处分别形成有一第一折区(31)，并于该两第一折区(31)之间形成有一第二折区(32)；该第一折区(31)具有多排间隔的第一开口(311)，该第二折区(32)具有多排间隔的第二开口(321)；该各第一折区(31)构成一第一展开长度(L1)，该第二折区(32)构成一第二展开长度(L2)，其中该第一折区(31)的第一展开长度(L1)为第二折区(32)的第二展开长度(L2)的0.2倍至0.5倍。

Description

折合式金属背板
技术领域
本公开与显示设备相关，特别是一种折合式金属背板。
背景技术
现有的折合式金属背板，其折合弯曲部位未经适当配置，容易使弯折处形成半椭圆形，产生不少弯折应力，而减少其弯折次数寿命，因此有待改善。
发明内容
本公开主要目的，在于提供一种折合式金属背板，其可补偿使其弯折呈正圆弧形，折合操作更为顺畅，并且减少弯曲应力。
为了达成上述目的，本公开提供一种折合式金属背板，包含有一第一板部；一第二板部；一折合板部，连结于该第一板部与第二板部；该折合板部接近该第一板部与第二板部处分别形成有一第一折区，并于该两第一折区之间形成有一第二折区；该第一折区具有多排间隔的第一开口，该第二折区具有多排间隔的第二开口；该各第一折区构成一第一展开长度，该第二折区构成一第二展开长度，其中该第一折区的第一展开长度为第二折区的第二展开长度的0.2倍至0.5倍。
通过该第一折区的第一展开长度为第二折区的第二展开长度的0.2倍至0.5倍，即可使弯折呈正圆弧形，因而减少弯曲应力，折合操作更为顺畅。
较佳地，该第一折区的第一展开长度为第二折区的第二展开长度的0.2倍至0.4倍。
较佳地，该第一折区的第一展开长度为第二折区的第二展开长度的0.3倍至0.5倍。
较佳地，该各第一折区构成一第一开口率，该第二折区构成一第二开口率。其中该第一折区的第一开口率大于该第二折区的第二开口率界于25％至36％。
较佳地，该第一折区的第一开口率大于该第二折区的第二开口率界于25％至28％。
较佳地，该第一折区的第一开口率大于该第二折区的第二开口率界于29％至36％。
较佳地，该第一折区的第一开口率大于该第二折区的第二开口率界于32％至36％。
较佳地，该第二折区的第二开口率界于75％至99％。
较佳地，该第二折区的第二开口率界于75％至85％。
较佳地，该第二折区的第二开口率界于88％至99％。
附图说明
图1是本公开一较佳实施例的一俯视图。
图2是图1中局部放大详图。
图3是本公开一较佳实施例的前视剖面图。
图4是本公开一较佳实施例弯曲折合示意图。
附图标记说明
10：第一板部
20：第二板部
30：折合板部
31：第一折区
311：第一开口
L1：第一展开长度
32：第二折区
321：第二开口
L2：第二展开长度
A：涵盖角度
R：弯曲半径
具体实施方式
以下，将结合附图和实施例对本公开作进一步说明。
如图1至图4所示，本公开一较佳实施例提供了一种折合式金属背板，包含有：
一第一板部10，位于一显示单元的一侧。
一第二板部20，位于该显示单元的一侧，对应该第一板部10。
一折合板部30，连结于该第一板部10与第二板部20；该折合板部30接近该第一板部10与第二板部20处分别形成有一第一折区31，并于该两第一折区31之间形成有一第二折区32，原则上均配置到整个宽度。
该第一折区31折合后的外侧大概呈正圆弧形，并形成有一弯曲半径R，也即所谓的R角。
该第一折区31具有多排间隔的第一开口311，该第二折区32具有多排间隔的第二开口321；该第一开口311及第二开口321不限定如图3所示的双面凹槽，其也可为单面凹槽，或者是直接贯穿的槽孔；其也可为多片背板以所述各种槽或孔的配置各种排列组合型态。
该各第一折区31构成一第一展开长度L1，该第二折区32构成一第二展开长度L2。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.2倍至0.5倍。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.2倍至0.4倍。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.3倍至0.5倍。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.2倍至0.3倍。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.3倍至0.4倍。
在一些实施例中，该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.4倍至0.5倍。
开口率定义：
该第一折区31内全部第一开口311占该第一折区31全部面积的比例构成一第一开口率。
该第二折区32内全部第二开口321占该第二折区32全部面积的比例构成一第二开口率。
开口率差距测试数据，如下表：
第二开口率(％) 第一开口率(％) 开口率差(％) R角(mm) 弯折次数(万)
77 41 36 5 ＞20.6
78 49 29 5 ＞20.8
77 52 25 5 ＞18.8
78 38 40 5 ＞18
77 54 23 5 ＞16
77 61 16 5 ＞13
79 63 16 5 ＞16
75 62 13 5 ＞10
83 58 25 5 ＞20
85 58 27 5 ＞20
88 56 32 5 ＞25
90 57 33 5 ＞25
99 64 35 5 ＞25
最佳地，该第一折区31的第一开口率大于该第二折区32的第二开口率界于32％至36％。
次佳地，该第一折区31的第一开口率大于该第二折区32的第二开口率界于29％至36％。
亦佳地，该第一折区31的第一开口率大于该第二折区32的第二开口率界于25％至28％。
综合以上，该第一折区31的第一开口率大于该第二折区32的第二开口率界于25％至36％。
最佳地，该第二折区32的第二开口率界于88％至99％。
次佳地，该第二折区32的第二开口率界于75％至85％。
综合以上，该第二折区32的第二开口率界于75％至99％。
通过该第一折区31的第一展开长度L1为第二折区32的第二展开长度L2的0.2倍至0.5倍，即可使弯折折合后该第二折区32呈正圆弧形并形成有一涵盖角度A，该涵盖角度A较佳为180度，但不限定，如图4所示；因此，即可减少弯曲应力，折合操作更为顺畅，确实达成本公开目的。
此外，再配合该第一折区31的第一开口率大于该第二折区32的第二开口率界于所述各种区间值，则可使本公开效果更好。

Claims (10)

1.一种折合式金属背板，其特征在于，包含有：
一第一板部(10)；
一第二板部(20)；
一折合板部(30)，连结于该第一板部(10)与第二板部(20)；该折合板部(30)接近该第一板部(10)与第二板部(20)处分别形成有一第一折区(31)，并于该两第一折区(31)之间形成有一第二折区(32)；该第一折区(31)具有多排间隔的第一开口(311)，该第二折区(32)具有多排间隔的第二开口(321)；该各第一折区(31)构成一第一展开长度(L1)，该第二折区(32)构成一第二展开长度(L2)，其中该第一折区(31)的第一展开长度(L1)为第二折区(32)的第二展开长度(L2)的0.2倍至0.5倍。
2.如权利要求1所述的折合式金属背板，其特征在于，其中，该第一折区(31)的第一展开长度(L1)为第二折区(32)的第二展开长度(L2)的0.2倍至0.4倍。
3.如权利要求1所述的折合式金属背板，其特征在于，其中，该第一折区(31)的第一展开长度(L1)为第二折区(32)的第二展开长度(L2)的0.3倍至0.5倍。
4.如权利要求1或2或3所述的折合式金属背板，其特征在于，其中，该各第一折区(31)构成一第一开口率，该第二折区(32)构成一第二开口率；其中该第一折区(31)的第一开口率大于该第二折区(32)的第二开口率界于25％至36％。
5.如权利要求4所述的折合式金属背板，其特征在于，其中，该第一折区(31)的第一开口率大于该第二折区(32)的第二开口率界于25％至28％。
6.如权利要求4所述的折合式金属背板，其特征在于，其中，该第一折区(31)的第一开口率大于该第二折区(32)的第二开口率界于29％至36％。
7.如权利要求4所述的折合式金属背板，其特征在于，其中，该第一折区(31)的第一开口率大于该第二折区(32)的第二开口率界于32％至36％。
8.如权利要求4所述的折合式金属背板，其特征在于，其中，该第二折区(32)的第二开口率界于75％至99％。
9.如权利要求8所述的折合式金属背板，其特征在于，其中，该第二折区(32)的第二开口率界于75％至85％。
10.如权利要求8所述的折合式金属背板，其特征在于，其中，该第二折区(32)的第二开口率界于88％至99％。
CN202110690014.0A 2021-05-13 2021-06-22 折合式金属背板 Pending CN115342120A (zh)

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