TWI788844B - 摺合式金屬背板 - Google Patents

摺合式金屬背板 Download PDF

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TWI788844B
TWI788844B TW110117357A TW110117357A TWI788844B TW I788844 B TWI788844 B TW I788844B TW 110117357 A TW110117357 A TW 110117357A TW 110117357 A TW110117357 A TW 110117357A TW I788844 B TWI788844 B TW I788844B
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陶靖雯
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達運精密工業股份有限公司
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Priority to CN202110690014.0A priority patent/CN115342120A/zh
Priority to US17/375,642 priority patent/US11825621B2/en
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Abstract

一種摺合式金屬背板，包含有一第一板部(10)；一第二板部(20)；一摺合板部(30)，連結於該第一板部(10)與第二板部(20)；該摺合板部(30)接近該第一板部(10)與第二板部(20)處分別形成有一第一摺區(31)，並於該兩第一摺區(31)之間形成有一第二摺區(32)；該第一摺區(31)具有多排間隔的第一開口(311)，該第二摺區(32)具有多排間隔的第二開口(321)；該各第一摺區(31)構成一第一展開長度(L1)，該第二摺區(32)構成一第二展開長度(L2)，其中該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.5倍。

Description

摺合式金屬背板
本發明係與顯示裝置相關，特別是一種摺合式金屬背板。
已知摺合式金屬背板，其摺合彎曲部位未經適當配置，容易彎折處形成半橢圓形，產生不少彎折應力，而減少其彎折次數壽命，因此而有待改善。
本發明主要目的，即在提供一種摺合式金屬背板，其可補償使其彎折呈正圓弧形，摺合操作更為順暢，並且減少彎曲應力。
緣以達成上述目的，本發明提供一種摺合式金屬背板，包含有一第一板部；一第二板部；一摺合板部，連結於該第一板部與第二板部；該摺合板部接近該第一板部與第二板部處分別形成有一第一摺區，並於該兩第一摺區之間形成有一第二摺區；該第一摺區具有多排間隔的第一開口，該第二摺區具有多排間隔的第二開口；該各第一摺區構成一第一展開長度，該第二摺區構成一第二展開長度，其中該第一摺區的第一展開長度為第二摺區的第二展開長度的0.2倍至0.5倍。
藉由該第一摺區的第一展開長度為第二摺區的第二展開長度的0.2倍至0.5倍，即可使彎折更呈正圓弧形，因而減少彎曲應力，摺合操作更為順暢。
較佳地，該第一摺區的第一展開長度為第二摺區的第二展開長度 的0.2倍至0.4倍。
較佳地，該第一摺區的第一展開長度為第二摺區的第二展開長度(L2)的0.3倍至0.5倍。
較佳地，該各第一摺區構成一第一開口率，該第二摺區構成一第二開口率；其中該第一摺區的第一開口率小於該第二摺區的第二開口率界於25%至36%。
較佳地，該第一摺區的第一開口率小於該第二摺區的第二開口率界於25%至28%。
較佳地，該第一摺區的第一開口率小於該第二摺區的第二開口率界於29%至36%。
較佳地，該第一摺區的第一開口率小於該第二摺區的第二開口率界於32%至36%。
較佳地，該第二摺區的第二開口率界於75%至99%。
較佳地，該第二摺區的第二開口率界於75%至85%。
較佳地，該第二摺區的第二開口率界於88%至99%。
(10):第一板部
(20):第二板部
(30):摺合板部
(31):第一摺區
(311):第一開口
(L1):第一展開長度
(32):第二摺區
321):第二開口(
(L2):第二展開長度
(A):涵蓋角度
(R):彎曲半徑
圖1係本發明一較佳實施例的一上視圖。
圖2係圖1中局部放大詳圖。
圖3係本發明一較佳實施例的前視剖面圖。
圖4係本發明一較佳實施例彎曲摺合示意圖。
以下，玆結合附圖和實施例對本發明作進一步說明。
如圖1至圖4所示，本發明一較佳實施例所提供一種摺合式金屬背板，包含有：一第一板部(10)，位於一顯示單元的一側。
一第二板部(20)，位於該顯示單元的一側，對應該第一板部(10)。
一摺合板部(30)，連結於該第一板部(10)與第二板部(20)；該摺合板部(30)接近該第一板部(10)與第二板部(20)處分別形成有一第一摺區(31)，並於該兩第一摺區(31)之間形成有一第二摺區(32)，原則上均配置到整個寬度。
該第二摺區(32)摺合後的外側概呈正圓弧形，並形成有一彎曲半徑(R)，亦即所謂的R角。
該第一摺區(31)具有多排間隔的第一開口(311)，該第二摺區(32)具有多排間隔的第二開口(321)；該第一開口(311)及第二開口(321)不限定如示的雙面凹槽，其也可為單面凹槽，或者是直接貫穿的槽孔；其也可為多片背板以所述各種槽或孔的配置各種排列組合型態。
該各第一摺區(31)構成一第一展開長度(L1)，該第二摺區(32)構成一第二展開長度(L2)。
廣義而言，該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.5倍。
次廣地，該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.4倍。
另次廣地，該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.3倍至0.5倍。
一較小地，該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.3倍。
另一較小地，該第一摺區(31)的第一展開長度(L1)為第二摺區(32) 的第二展開長度(L2)的0.3倍至0.4倍。
再一較小地，該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.4倍至0.5倍。
開口率定義：該第一摺區(31)內全部第一開口(311)佔該第一摺區(31)全部面積的比例構成一第一開口率。
該第二摺區(32)內全部第二開口(321)佔該第二摺區(32)全部面積的比例構成一第二開口率。
開口率差距測試數據，如下表：
Figure 110117357-A0305-02-0006-1
最佳地，該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於32%至36%。
次佳地，該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於29%至36%。
亦佳地，該第一摺區(31)的第一開口率小於該第二摺區(32)的第 二開口率界於25%至28%。
綜合以上，該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於25%至36%。
最佳地，該第二摺區(32)的第二開口率界於88%至99%。
次佳地，該第二摺區(32)的第二開口率界於75%至85%。
綜合以上，該第二摺區(32)的第二開口率界於75%至99%。
藉由該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.5倍，即可使彎折摺合後該第二摺區(32)更呈正圓弧形並形成有一涵蓋角度(A)，該涵蓋角度(A)較佳為180度，但不限定，如圖4所示；因此，即可減少彎曲應力，摺合操作更為順暢，確實達成本發明目的。
此外，再配合該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於所述各種區間值，則可使本發明效果更好。
第一板部(10) 第二板部(20) 摺合板部(30) 第一摺區(31) 第二摺區(32)

Claims (10)

  1. 一種摺合式金屬背板，包含有：一第一板部(10)；一第二板部(20)；一摺合板部(30)，連結於該第一板部(10)與第二板部(20)；該摺合板部(30)接近該第一板部(10)與第二板部(20)處分別形成有一第一摺區(31)，並於該兩第一摺區(31)之間形成有一第二摺區(32)；該第一摺區(31)具有多排間隔的第一開口(311)，該第二摺區(32)具有多排間隔的第二開口(321)；該各第一摺區(31)構成一第一展開長度(L1)，該第二摺區(32)構成一第二展開長度(L2)，其中該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.5倍。
  2. 如請求項1所述的摺合式金屬背板，其中該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.2倍至0.4倍。
  3. 如請求項1所述的摺合式金屬背板，其中該第一摺區(31)的第一展開長度(L1)為第二摺區(32)的第二展開長度(L2)的0.3倍至0.5倍。
  4. 如請求項1或2或3所述的摺合式金屬背板，其中該各第一摺區(31)構成一第一開口率，該第二摺區(32)構成一第二開口率；其中該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於25%至36%。
  5. 如請求項4所述的摺合式金屬背板，其中該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於25%至28%。
  6. 如請求項4所述的摺合式金屬背板，其中該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於29%至36%。
  7. 如請求項4所述的摺合式金屬背板，其中該第一摺區(31)的第一開口率小於該第二摺區(32)的第二開口率界於32%至36%。
  8. 如請求項4所述的摺合式金屬背板，其中該第二摺區(32)的第二開口率界於75%至99%。
  9. 如請求項8所述的摺合式金屬背板，其中該第二摺區(32)的第二開口率界於75%至85%。
  10. 如請求項8所述的摺合式金屬背板，其中該第二摺區(32)的第二開口率界於88%至99%。
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