CN108770368B - 透过设备上的罩盖进行背光照明的设备和方法 - Google Patents
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Abstract
本发明涉及一种键盘设备,所述键盘设备包括织物按键罩盖,所述织物按键罩盖具有穿过所述罩盖的厚度从所述罩盖的顶侧延伸到所述罩盖的底侧的多个孔。所述多个孔被布置为共同形成预定形状。掩模层设置在所述罩盖的所述底侧处。所述掩模层的第一区域是不透明的并且所述掩模层的第二区域允许光穿过所述第二区域到达所述多个孔。光源设置在所述掩模层的下方并且安置成使得从所述光源发射的光穿过所述掩模层的所述第二区域到达所述多个孔。感测接触终端设置在所述掩模层的下方,且所述终端检测键击移动。
Description
相关专利申请的交叉引用
本申请要求2016年1月15日提交的第62/279,461号美国临时专利申请的优先权,该申请以其全文引用的方式并入本文中。此外,本申请以全文引用的方式并入2015年11月12日提交的标题为“Method and Apparatus for Transfer of Semiconductor Devices”的第14/939,896号美国专利申请。
背景
技术领域
以下描述涉及对装置进行背光照明,并且具体地,涉及具有基于织物的罩盖的键盘的背光照明按键。此外,本文中的原理可以应用于具有基于织物或非织物的罩盖的其他装置。
背景技术
诸如键盘的装置可以具有基于织物的罩盖或基于非织物的罩盖。织物(例如,诸如棉、羊毛等天然纤维织物,或者诸如聚酯、丙烯酸、人造纤维、碳纤维等合成纤维织物)被广泛用于覆盖许多物品。然而,归因于许多织物的材料结构,对具有织物罩盖的装置进行背光照明来产生效果或期望的结果可能具有挑战。毫不奇怪,其他非织物材料也存在类似的挑战。
至于用于对装置进行背光照明的光源,已经使用了LED。目前被实施用于背光照明的LED是“封装的”LED。“封装的”修饰语是指内置于最终LED中的外壳和保护特征以及使得封装中的LED能够合并到最终电路中的接口。应注意,用于LED或其他半导体装置的常规制造工艺以处理半导体晶片开始。晶片被切成许多“未封装的”半导体装置。“未封装的”修饰语是指没有保护特征的未封闭半导体装置。对LED的“封装”使得LED基本上比未封装的LED厚。
未封装的LED可能非常小。事实上,LED的高度可以在12.5至200微米或25至100微米或者50至80微米的范围内。
附图简述
参考附图来阐明详细描述。在附图中,参考标号的最左边的数字表示第一次出现该参考标号的图。不同图中使用相同的参考标号指示类似或相同的项。此外,附图可以被认为是在各个图内提供各个部件的相对大小的近似描述。然而,附图并非按比例绘制,并且各个部件的相对大小(无论是在各个图中还是在不同的图之间)都可以与所描绘的不同。具体地,一些图可以将部件描绘为某一大小或形状,而其他图为了清楚起见而可以按更大的比例或不同形状描绘同一部件。
图1示出了根据本申请的实施方案的键盘按键组件的分解透视图。
图2示出了根据本申请的另一实施方案的键盘按键组件的横截面图。
图3示出了根据本申请的另一实施方案的键盘按键组件的分解横截面图。
图4示出制造具有背光式(backlit)罩盖的设备的方法。
详细描述
概述
本公开一般涉及对设备的表面罩盖中的图像、符号、字符或其他设计的背光照明。在许多情况下,关于对键盘的按键上的图例(例如,图像、符号、字符或其他设计)的照明来描述本公开的特征,其中按键的罩盖可以是织物或非织物材料。通常,从第一人称角度来看,背光照明可以经由设置在图例后面的一个或多个未封装的微大小LED来实现,这意味着从位于图例后面的光源来照亮图例(例如,符号、字符、设计等),使得光源的光线在朝向看着图例的个人的方向上扩散穿过图例。例如,从看着键盘的按键上的图例的个人的角度来看,用于照亮键盘上的按键的光源在按键的罩盖后面。另外,在背光式设备不是键盘的情况下,光源类似地从看着设备的个人的直视中隐藏。
如上所述,设想本文中描述的特征的其他实现方式。例如,本文中描述的特征可以被实施用于照亮其他设备的罩盖上的图例,包括服饰、显示器、横幅、旗帜、装饰品、指示牌、玩具、小键盘、电子器件等。此外,在许多情况下,本文中描述的特征的概念和设计因涉及具有基于织物的罩盖的键盘的按键的照明而可以类似地应用于基于非织物的材料的照明。
透过织物或非织物罩盖的照明的说明性实施方案
图1描绘了用于照亮织物材料的一部分的设备的至少一些元件的分解图。更具体地,诸如键盘上的按键等设备100可以包括具有图例104的罩盖102(例如,键帽)。罩盖102可以完全由织物材料形成或者可以至少部分地包括织物材料,诸如基于聚合物的织物。在一些情况下,罩盖102的织物材料可以是天然纤维、合成纤维或者混合类型的材料,诸如棉、丝或基于羊毛的织物,它们中的任一种都可以单独使用或者与聚酯、丙烯酸、人造纤维等混合,或能够进行耐用织物类型的制造的其他材料。此外,虽然图1描绘了具有带有方形边缘和圆角的大致平面外观的罩盖102,但是设备100不限于所描绘的构造并且可以形成为用于期望目的的各种形状和尺寸。例如,罩盖102可以采取带波纹、圆形、球形、三角形、圆柱形或以其他方式弯曲和/或变尖的形状。
图例104可以指示字符或字符组,包括单独的字母、数字和/或整个单词、短语或数字序列。在一些情况下,图例104可以指示标点符号的形式、符号(包括表情符号和/或文化/通用符号)、图像、设计、形状或其他图形,以指示功能或传达特定含义。作为实例,图1中的图例104描绘了字母“L”。
此外,罩盖102的图例104可以以多种方式来形成。在一些情况下,图例104可以经由以下过程来创建:向罩盖102添加元件的添加型过程;从罩盖102中移除材料的移除过程;或者材料移除和添加过程的组合。可选地,图例104可以经由模制过程形成,其中罩盖102被模制成在模制的罩盖102内包括图例104。无论所使用的方法如何,最终的结果都是罩盖102包括相对不透明部分的第一区域和相对半透明部分的第二区域。在一些情况下,半透明的第二区域包括图例104,以便在不透明的第一区域的中间照亮图例104。可选地,可能期望将图例104显示为在第一区域中不透明并且在第二区域中围绕图例104照亮罩盖102。
用于创建图例104的添加过程的示例实施方案包括添加单独的层104a,所述单独的层就是涂料层、贴纸、通过印刷过程施加的油墨图形、半透明或不透明物质的涂层、粘合剂、膜、嵌入式元件等。可以使用的印刷过程包括喷墨、激光、染料升华等。尽管在图1中描绘罩盖102的顶侧上的图例104a,但可以适当地使用上述添加型过程,以便也在罩盖的下侧上创建图例104a。此外,虽然图例104a被描绘为期望的图例形状,但是层104a可以被添加为期望图例形状的互补负形状。
为了经由移除过程来创建图例104,将罩盖102的材料移除以允许光透过罩盖102的预定部分直接发射或者更加清楚地扩散。例如,可以通过穿过罩盖102形成多个微大小孔106来移除少量材料。孔106可以紧密地间隔开并且布置在预定的周界内,使得总体上多个孔106的布置在形状上对应于将被照亮的期望图例104b的形状。例如,图1中的孔106被布置在指定字母“L”的预定形状的周界内,以形成图例104b。类似地,可以通过在设备的顶表面或底表面中形成多个空腔来去除材料,所述空腔并未完全切穿罩盖102。另外,可以蚀刻罩盖102的顶表面或底表面,使得罩盖102的至少一部分厚度被去除以形成期望的图例104b的形状。因此,在材料去除的情况下,罩盖102的一部分变薄或被完全切除以增强光透射穿过。此外,可以从罩盖102中切出期望的图例的整个预定形状。
在一些情况下,材料移除的方法包括穿孔、切割和/或使用激光器。例如,孔106可以经由激光器来形成,以穿过罩盖102从罩盖102的顶侧延伸到罩盖102的底侧。例如,孔106的直径可以在0.1mm到0.2mm的范围内,或者可以甚至更小或更大。
如上所述,可以经由材料移除和添加过程的组合来创建图例104。因此,在从罩盖102中移除材料的情况下,可以用添加的材料来填充、覆盖或涂覆从中移除材料的空间,所述添加的材料有助于在背光照亮从中移除材料的罩盖的那部分时扩散并增强背光。
进一步关于图例104的照明,如图1所示,除了或代替图例104a和/或图例104b,设备100可以包括模板化掩模层108。掩模层108可以包括深色/阻光衬底(例如,薄膜等),其中衬底的一部分被移除,由此在衬底中形成孔口108a。孔口108a在形状和尺寸上可以直接对应于罩盖102中的图例104的形状的周界,或者孔口108a的形状和尺寸可以大于或小于图例104的形状的周界,以增加或减少照明量。掩模层108可以粘附或以其他方式放置在罩盖102的下侧上。
如所描绘,设备100可以进一步包括键帽加强件110。加强件110可以由透明材料形成,或者可选地由着色或有色材料形成,同时保持半透明性质。除了提供敏感部件的稳定和保护之外,加强件110可以进一步用作光扩散元件。也就是说,加强件110可以以增强光扩散的方式进行纹理化、上色、形成或者成形。此外,加强件110可以包括磷光体和/或在光传递到图例104之前对其进行修改的其他元件。另外,加强件110可以具有半透明中心部分和不透明或不完全半透明的侧边缘。在一些情况下,加强件110可以由两种不同颜色的材料形成,其中中心部分比边缘部分浅,例如,模制的白色塑料平面中心与黑色塑料环或周界。在其他情况下,加强件110可以由单一的半透明材料(例如,白色塑料)形成,并且其侧边缘进行涂覆、涂漆、上色或以其他方式用较暗物质遮盖。加强件110的此类实施方案可以提供一些阻光性质,这可以有助于防止光从设备的不期望区域发生泄漏。
设备100可以进一步包括圆顶112,所述圆顶是电连接的反射式感测接触终端,当力施加到设备100的罩盖102时,该终端与电路元件(未示出)连接。圆顶112本身可以包括一个或多个柔性交叉支撑构件114,所述柔性交叉支撑构件从一侧到另一侧延伸跨过所述终端,从而形成大体圆顶形轮廓。注意,为了方便起见,在本申请中,圆顶112在本文中也可以被称为“终端”。在施加的力的作用下,圆顶112的交叉支撑构件114弹性弯曲以与电路元件接触,并且信号被中继以输出图例104的预期功能。因此,在图1的示例实施方案中,施加在罩盖102上的力会将信号中继到所连接的计算装置以输出字母“L”。本文中并未提供关于与键盘或其他电子电路相关联的功能的额外细节。
经由选择性放置一个或多个光源116来实现对图例104的照明。如图1所示,光源116可以放置在圆顶112的周界内或在周界的外部。光源116可以包括经由直接或间接附接到设置于设备100中的一个或多个电路元件进行供电的未封装的LED。未封装的LED可以通过任何合适的方式放置,包括经由根据美国申请序列号14/939,896中描述的方法和设备的直接转移来实现。关于光源116的放置位置的附加细节本文将在下面参考图3进一步讨论。
在图2中,描绘了背光式键盘200的横截面的透视图。此外,强调了键盘200的单个按键202的横截面侧视图。按键202的结构的具体元件包括基座204,所述基座可以包括电子电路元件(未示出),以与键盘200的各方面交互并为其供电。因此,基座204可以用作将按键202的结构支撑在其上的基础。按键202可以进一步包括圆顶206、圆顶笼208、圆顶找罩盖板210、按键加强件212以及罩盖214。
圆顶206用作感测接触终端,如上述终端112。圆顶206的侧面可以被带框的圆顶笼208包围或围住。例如,在一些情况下,圆顶笼208可以具有矩形形状或圆形形状或具有多个侧面的其他形状,所述多个侧面连接起来以形成闭合形状,以便圆顶206在圆顶206的所有侧向侧面上被包围或封闭。圆顶笼208可以是结构上坚固的坚固材料,以提供保护而防止对圆顶206的损坏。圆顶笼208可以形成为搁置在短腿支柱上的成形框架(见图3),并且在其顶侧敞开以允许力施加到圆顶206的顶部。可选地,圆顶笼208的侧面在圆顶206的一侧和整个周围的高度可以一致,以便像实心壁一样。然而,圆顶罩盖板210可以放置在圆顶笼208的敞开顶部上方,以便覆盖圆顶206,并且由此防止圆顶206与按键加强件212之间的直接接触。另外,按键加强件212被罩盖214覆盖,并且按键202与相邻的按键(K)之间的屏障可以由框架216支撑。
由于本申请中使用微大小的光源,因此存在许多位置可以设置光源,诸如,测量到在25至50微米之间的未封装的LED。另外,如美国申请序列号14/939,896所述,光源可以经由设置在设备的部件上的薄导电迹线进行电力供电和连接。因此,几种布局是可能的。在图3中的按键202的分解横截面300的以下描述中,使用术语“光源”(无论它之前有没有“一个”)可以指示一个或多个光源。此外,预期可以根据对设备进行背光照明的期望强度来实施光源布局的以下描述中的任何一个或不止一个的组合。这样,对按键202的基座204可以具有设置在其上且安置在圆顶206下方的光源302的布局的描述性陈述指示由参考标号302标识的块可以是单个光源或者可以表示多个光源,所有的光源都被容纳在由圆顶206的外周限定的周界内的某处。因此,虽然光源302被描绘在圆顶的中心,但是光源302实际上可以离开中心并且分布在圆顶下方,其中当力施加到罩盖214时,光源302将不会干扰圆顶206与基座302上的电子电路之间的电接触。
附加潜在的光源布局可能包括以下项:在基座204上、介于圆顶206与圆顶笼208之间的光源304;在基座304上、在圆顶笼208的外部周围的光源306;嵌入圆顶笼208中的光源308;设置在圆顶笼308上的光源310;设置在圆顶罩盖板210上的光源312;设置在按键加强件212下方的光源314;设置在按键加强件212上的光源316;和/或直接设置在罩盖214的下侧上的光源318。在一个实例中,一系列光源可以设置成与罩盖214上或下的图例的形状直接对齐。应注意,尽管对潜在光源布局的以上描述将光源(302至318)描述为在各种部件“下”、“中”、“周围”、“上”、“嵌入”或“下方”,但发明人进一步预期光源可以相对于单独部件中的每一个以各种其他方式设置。也就是说,例如,在将光源描述为在部件“上”的情况下,可选地或另外,在可能的情况下光源可以“嵌入”部件中、在部件“下方”、在部件“中”等。
结合潜在光源布局的以上描述,预期磷光体应用的多个实施方案(用于光发射修改)。通常,可以应用磷光体来修改从光源发射的光的颜色和色散。因此,磷光体可以被施加在部件或那些部件的部分中或在其上,光可以透过其发出。在一些情况下,磷光体可以直接施加在光源302至318上和/或施加在圆顶笼208、圆顶罩盖板210、按键加强件212或罩盖214的材料上或者混合到它们的材料中。例如,磷光体可以施加(未明确示出)到圆顶笼208的一个或多个侧面的上表面,并且光源(诸如,一个或多个未封装的LED)可以连接到基座上的薄电路并且在圆顶笼208的一个或多个侧面的下方直接对齐。
图4描绘了创建诸如将被背光照明的键盘的按键的设备的方法400。具体地,方法400可以包括形成用于设备的罩盖402。例如,在一些情况下,步骤402可以包括形成用于键盘装置的按键的织物按键罩盖。罩盖的形成可以包括在罩盖上创建第一不透明区域并且在罩盖上创建第二半透明区域404。第一区域和第二区域的创建可以在单个动作中执行或者可以涉及两个或更多个动作。罩盖的形成可以进一步包括在罩盖的第一区域和第二区域中的一个中创建图例406。应注意,仍然存在可部分地在第一区域中且部分地在第二区域中形成图例的可能性。另外,可以经由如上讨论的许多方法来形成图例。在一些情况下,可以经由以下过程来形成图例:添加过程408,诸如染料升华;使用激光器或任何合适的切割或蚀刻装置的材料移除过程410;或添加过程和材料移除过程的组合412。
在步骤414中,多个光源可以电连接在设备的罩盖的下方或后面。例如,在键盘装置中,多个光源可以电连接在织物按键罩盖的下方以从罩盖下面照亮按键的半透明区域。在其他设备中,光源也照亮罩盖的半透明区域。
方法400可以进一步包括将磷光体施加到设备的结构部件和/或光源的材料中或上的步骤416。磷光体的施加可以相对于方法400的其他步骤以任何顺序执行,包括在将光源集成到设备中之前。在一些情况下,图2和图3中的按键的部件中的一个或多个可以包括在材料组合物中或在部件上的磷光体(即,经由喷涂、印刷、涂覆、浸渍、热成型等沉积在部件的表面上)。
示例条款
A:一种键盘设备,所述键盘设备包括:织物按键罩盖,所述织物按键罩盖具有穿过所述罩盖的厚度从所述罩盖的顶侧延伸到所述罩盖的底侧的多个孔,所述多个孔被布置为共同形成预定形状;掩模层,所述掩模层设置在所述罩盖的所述底侧处,所述掩模层的第一区域是不透明的并且所述掩模层的第二区域允许光穿过所述第二区域到达所述多个孔;光源,所述光源设置在所述掩模层的下方并且安置成使得从所述光源发射的光穿过所述掩模层的所述第二区域到达所述多个孔;以及感测接触终端,所述感测接触终端设置在所述掩模层的下方,所述终端检测键击移动。
B:根据段落A所述的设备,其中所述多个孔是在字符、数字、符号、图像或图形中的一者的所述预定形状的周界内形成。
C:根据段落A至B中任一段所述的设备,其中所述掩模层的所述第二区域是所述掩模层内的孔口。
D:根据段落A至C中任一段所述的设备,其中所述掩模层的所述第二区域中的所述孔口具有外围形状,所述外围形状与所述预定形状的周界对齐并且成形为基本上类似,所述多个孔在所述预定形状的所述周界内形成。
E:根据段落A至D中任一段所述的设备,其中所述掩模层的所述第一区域的大小和形状被设定为阻挡光在所述预定形状的周界外部传递,所述罩盖中的所述多个孔在所述预定形状的所述周界内形成。
F:根据段落A至E中任一段所述的设备,其中所述掩模层的所述第二区域是半透明材料。
G:根据段落A至F中任一段所述的设备,其中所述掩模层的所述第二区域包括含有磷光体的材料。
H:根据段落A至G中任一段所述的设备,所述设备进一步包括设置在所述掩模层与所述光源之间的键帽加强件。
I:根据段落A至H中任一段所述的设备,其中所述键帽加强件是半透明的。
J:根据段落A至I中任一段所述的设备,其中所述键帽加强件包括磷光体。
K:根据段落A至J中任一段所述的设备,其中所述键帽加强件的材料使来自所述光源的所述光扩散。
L:根据段落A至K中任一段所述的设备,其中所述织物按键罩盖中的所述多个孔的内表面由形成所述多个孔的激光器熔化。
M:根据段落A至L中任一段所述的设备,其中所述多个孔中的每个的直径在0.1mm至0.2mm的范围内。
N:根据段落A至M中任一段所述的设备,其中所述光源包括与所述感测接触终端相邻地布置的LED。
O:根据段落A至N中任一段所述的设备,其中所述光源包括与所述感测接触终端的基座相邻地设置的直接转移型LED。
P:根据段落A至O中任一段所述的设备,其中所述感测接触终端包括反射式圆顶,所述反射式圆顶在所述键击移动时反射式地作出响应。
Q:根据段落A至P中任一段所述的设备,其中所述光源包括高度在12.5微米至200微米的范围内的LED。
R:根据段落A至Q中任一段所述的设备,其中所述织物按键罩盖包括塑料材料。
S:根据段落A至R中任一段所述的设备,其中所述掩模层被印刷到所述罩盖的背面上。
T:根据段落A至S中任一段所述的设备,其中所述掩模层被蚀刻到所述罩盖的所述背面上。
U:根据段落A至T中任一段所述的设备,其中所述掩模层包括有色衬底。
V:根据段落A至U中任一段所述的设备,所述设备进一步包括覆盖所述罩盖的所述顶侧的至少一部分的透明膜或衬底。
W:根据段落A至V中任一段所述的设备,其中被所述透明膜或衬底覆盖的所述顶侧的所述部分包括所述预定形状的周界内的区域,所述多个孔在所述预定形状的所述周界内形成。
X:一种设备,所述设备包括:罩盖,所述罩盖具有形成为预定形状并且从所述罩盖的顶侧可见的图例,所述罩盖的第一区域是不透明的并且所述罩盖的第二区域是半透明的以便被照亮,所述图例位于所述第一区域和所述第二区域中的一个中;光源,所述光源设置在所述罩盖的下方并且安置成使得从所述光源发射的光穿过所述罩盖的所述第二区域以示出所述图例;以及感测接触终端,所述感测接触终端设置在所述罩盖的下方,所述光源设置在所述终端的覆盖区域的内周界内。
Y:根据段落X所述的设备,其中所述罩盖包括纤维织物。
Z:根据段落X至Y中任一段所述的设备,其中所述图例经由染料升华印刷被印刷到所述织物的纤维中。
AA:一种方法,所述方法包括:形成用于键盘装置的按键的织物按键罩盖,所述形成包括在所述罩盖上创建第一不透明区域并且在所述罩盖上创建第二半透明区域,并且在所述按键罩盖的所述第一区域和所述第二区域中的一个中创建图例;将多个光源电连接在所述织物按键罩盖的下方。
AB:根据段落AA所述的方法,所述方法进一步包括在所述按键的结构部件的材料中或上施加磷光体。
AC:根据段落AA至AB中任一段所述的方法,其中所述创建所述图例包括经由染料升华来印刷所述图例。
AD:根据段落AA至AC中任一段所述的方法,其中所述创建所述图例包括从所述按键罩盖中移除材料。
AE:根据段落AA至AD中任一段所述的方法,其中所述从所述按键罩盖中移除材料包括向所述按键罩盖施加激光器以蚀刻或切穿所述按键罩盖。
结论
尽管已经用结构特征和/或方法动作特有的语言描述了若干实施方案,但应理解,权利要求不必限于所描述的特定特征或动作。相反,特定特征和动作被公开为实施所要求保护的主题的说明性形式。
Claims (23)
1.一种键盘设备,所述键盘设备包括:
织物按键罩盖,所述织物按键罩盖具有穿过所述罩盖的厚度从所述罩盖的顶侧延伸到所述罩盖的底侧的多个孔,所述多个孔被布置为共同形成预定形状;
掩模层,所述掩模层设置在所述罩盖的所述底侧处,所述掩模层的第一区域是不透明的并且所述掩模层的第二区域允许光穿过所述第二区域到达所述多个孔;
感测接触终端,所述感测接触终端设置在所述掩模层的下方,所述终端检测键击移动;
一个或更多个未封装的LED,所述一个或更多个未封装的LED设置在所述掩模层的下方并且与所述感测接触终端相邻,所述一个或更多个未封装的LED安置成使得从所述一个或更多个未封装的LED发射的光穿过所述掩模层的所述第二区域到达所述多个孔;以及
键帽加强件,其设置在所述掩模层与所述一个或更多个未封装的LED之间,所述键帽加强件是由单一的半透明材料形成。
2.根据权利要求1所述的键盘设备,其中所述多个孔是在字符、数字、符号、图像或图形中的一者的所述预定形状的周界内形成。
3.根据权利要求1所述的键盘设备,其中所述掩模层的所述第二区域是所述掩模层内的孔口。
4.根据权利要求3所述的键盘设备,其中所述掩模层的所述第二区域中的所述孔口具有外围形状,所述外围形状与所述预定形状的周界对齐并且成形为基本上类似,所述多个孔在所述预定形状的所述周界内形成。
5.根据权利要求1所述的键盘设备,其中所述掩模层的所述第一区域的大小和形状被设定为阻挡光在所述预定形状的周界外部传递,所述罩盖中的所述多个孔在所述预定形状的所述周界内形成。
6.根据权利要求1所述的键盘设备,其中所述掩模层的所述第二区域是半透明材料。
7.根据权利要求1所述的键盘设备,其中所述掩模层的所述第二区域包括含有磷光体的材料。
8.根据权利要求1所述的键盘设备,其中所述键帽加强件包括磷光体。
9.根据权利要求1所述的键盘设备,其中所述键帽加强件的材料使来自所述一个或更多个未封装的LED的所述光扩散。
10.根据权利要求1所述的键盘设备,其中所述织物按键罩盖中的所述多个孔的内表面由形成所述多个孔的激光器熔化。
11.根据权利要求1所述的键盘设备,其中所述多个孔中的每个的直径在0.1mm至0.2mm的范围内。
12.根据权利要求1所述的键盘设备,其中所述一个或更多个未封装的LED包括与所述感测接触终端的基座相邻地设置的直接转移型LED。
13.根据权利要求1所述的键盘设备,其中所述感测接触终端包括反射式圆顶,所述反射式圆顶在所述键击移动时反射式地作出响应。
14.根据权利要求1所述的键盘设备,其中所述一个或更多个未封装的LED包括高度在12.5微米至200微米的范围内的LED。
15.根据权利要求1所述的键盘设备,其中所述织物按键罩盖包括塑料材料。
16.根据权利要求1所述的键盘设备,其中所述掩模层被印刷到所述罩盖的背面上。
17.根据权利要求1所述的键盘设备,其中所述掩模层被蚀刻到所述罩盖的背面上。
18.根据权利要求1所述的键盘设备,其中所述掩模层包括有色衬底。
19.根据权利要求1所述的键盘设备,所述设备进一步包括覆盖所述罩盖的所述顶侧的至少一部分的透明膜或衬底。
20.根据权利要求19所述的键盘设备,其中被所述透明膜或衬底覆盖的所述顶侧的所述部分包括所述预定形状的周界内的区域,所述多个孔在所述预定形状的所述周界内形成。
21.一种键盘设备,所述键盘设备包括:
罩盖,所述罩盖具有形成为预定形状并且从所述罩盖的顶侧可见的图例,所述罩盖的第一区域是不透明的并且所述罩盖的第二区域是半透明的以便被照亮,所述图例位于所述第一区域和所述第二区域中的一个中;
一个或更多个未封装的LED,所述一个或更多个未封装的LED设置在所述罩盖的下方并且安置成使得从所述一个或更多个未封装的LED发射的光穿过所述罩盖的所述第二区域以示出所述图例;
感测接触终端,所述感测接触终端设置在所述罩盖的下方,所述一个或更多个未封装的LED设置在所述终端的覆盖区域的内周界内;以及
键帽加强件,其设置在所述罩盖与所述感测接触终端之间,所述键帽加强件是由单一的半透明材料形成。
22.根据权利要求21所述的键盘设备,其中所述罩盖包括纤维织物。
23.根据权利要求22所述的键盘设备,其中所述图例经由染料升华印刷被印刷到所述织物的纤维中。
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US20200227217A1 (en) | 2020-07-16 |
JP6959697B2 (ja) | 2021-11-05 |
JP2019503543A (ja) | 2019-02-07 |
KR20180102093A (ko) | 2018-09-14 |
US20190051473A1 (en) | 2019-02-14 |
WO2017124109A1 (en) | 2017-07-20 |
EP3408728A1 (en) | 2018-12-05 |
EP3408728A4 (en) | 2019-03-13 |
CN108770368A (zh) | 2018-11-06 |
KR102298484B1 (ko) | 2021-09-03 |
US10818449B2 (en) | 2020-10-27 |
US10629393B2 (en) | 2020-04-21 |
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