CN210897094U - 发光键盘 - Google Patents

发光键盘 Download PDF

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CN210897094U
CN210897094U CN202020034005.7U CN202020034005U CN210897094U CN 210897094 U CN210897094 U CN 210897094U CN 202020034005 U CN202020034005 U CN 202020034005U CN 210897094 U CN210897094 U CN 210897094U
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light
quantum dot
emitting
keyboard
dot light
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蔡哲辉
黄仁杰
萧价良
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Lite On Electronics Guangzhou Co Ltd
Lite On Technology Corp
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    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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    • G06F3/0362—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 1D translations or rotations of an operating part of the device, e.g. scroll wheels, sliders, knobs, rollers or belts
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    • G—PHYSICS
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    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
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    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
    • H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12—Push-buttons
    • H01H3/122—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor
    • H01H3/125—Push-buttons with enlarged actuating area, e.g. of the elongated bar-type; Stabilising means therefor using a scissor mechanism as stabiliser
    • G—PHYSICS
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    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2217/00—Facilitation of operation; Human engineering
    • H01H2217/01—Off centre actuation
    • H—ELECTRICITY
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H—ELECTRICITY
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    • H01H2221/00—Actuators
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  • Automation & Control Theory (AREA)
  • Mathematical Physics (AREA)
  • Position Input By Displaying (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Manufacture Of Switches (AREA)

Abstract

本实用新型提供一种发光键盘，包括底板、多个键帽、薄膜电路及量子点发光组件。多个键帽分别通过升降机构连接底板。薄膜电路设置于底板上，并位于底板与多个键帽之间。量子点发光组件设置于多个键帽下方。其中，量子点发光组件受电激发而发出光线，且光线穿过多个键帽的透光区。本实用新型的发光键盘具有极薄化、光利用率高、可发多色光的特点。

Description

发光键盘
技术领域
本实用新型是有关于一种发光键盘，且特别是有关于一种具有量子点发光组件的发光键盘。
背景技术
键盘装置作为电脑系统中指令输入/输出的设备，对使用者非常重要，在光线不足的情况下，为了让使用者仍能清晰辨识出键帽上的字符，键盘厂商开发出了适用于黑暗环境中的发光键盘。但现有的发光键盘一般采用LED光源加导光组件的设计，使得发光键盘整体厚度较厚，不利于键盘的轻薄化设计。再者，LED光源经由导光组件横向光传导之后再射出至键帽，会导致光损失，光利用率降低。另外，现有的发光键盘一般仅能发出单色光，视觉效果单调，不能满足使用者更多的需求。因此，开发一种极薄化，光利用率高，且可发出多色光的发光键盘成为值得研发的课题。
实用新型内容
本实用新型的主要目的在于，提供一种发光键盘，具有极薄化、光利用率高、可发多色光的特点。
为了实现上述目的，本实用新型提供一种发光键盘，包括底板、多个键帽、薄膜电路及量子点发光组件。多个键帽分别通过升降机构连接底板。薄膜电路设置于底板上，并位于底板与多个键帽之间。量子点发光组件设置于多个键帽下方。其中，量子点发光组件受电激发而发出光线，且光线穿过多个键帽的透光区。
本实用新型的一实施例中，该量子点发光组件设置在该底板与该薄膜电路之间。
本实用新型的一实施例中，该量子点发光组件设置于该底板下。
本实用新型的一实施例中，该量子点发光组件设置在该薄膜电路上。
本实用新型的一实施例中，该量子点发光组件设置于该多个键帽的底面。
本实用新型的一实施例中，该量子点发光组件包括多个量子点发光体及至少一封装层，其中该至少一封装层覆盖该多个量子点发光体。
本实用新型的一实施例中，该多个量子点发光体设置于该薄膜电路上。
本实用新型的一实施例中，该量子点发光组件还包括一载体，且该多个量子点发光体设置于该载体。
本实用新型的一实施例中，发光键盘还包括一电源供应单元，电性连接该量子点发光组件。
本实用新型的一实施例中，该量子点发光组件受电激发时能发出至少一种颜色的光。
基于上述，在本实用新型实施例的发光键盘中，量子点发光组件发出的光可直接射出至键帽，而不需要经由导光组件，可降低光横向传导而造成的光损失，提高光利用率。再者，量子点发光组件通过纳米级的量子点发光体封装而形成，其本身具有轻、薄的特点，且键盘结构中不需设置导光组件，可进一步降低键盘整体厚度，实现极薄化。另外，量子点发光组件中可包含不同特性(材质、形状、大小等)的量子点发光体，其受电激发可发出不同颜色的光，从而实现更丰富的视觉效果。
为让本实用新型的上述特征和优点能更明显易懂，下文特举实施例，并配合所附图式作详细说明如下。
附图说明
图1为本实用新型的一实施例的发光键盘的剖面示意图。
图2绘示本实用新型的另一实施例的发光键盘的剖面示意图。
图3绘示本实用新型的又一实施例的发光键盘的剖面示意图。
图4绘示本实用新型的又一实施例的发光键盘的剖面示意图。
图5A绘示本实用新型的一实施例的量子点发光组件的剖面示意图。
图5B绘示本实用新型的另一实施例的量子点发光组件的剖面示意图。
图5C绘示本实用新型的又一实施例的量子点发光组件的剖面示意图。
图6A绘示本实用新型的一实施例的键帽的发光效果示意图。
图6B绘示本实用新型的另一实施例的键帽的发光效果示意图。
图6C绘示本实用新型的又一实施例的键帽的发光效果示意图。
图6D绘示本实用新型的又一实施例的键帽的发光效果示意图。
附图标号说明
1：发光键盘
10：底板
20：键帽
201：字符
202：透光区域
30：薄膜电路
40：量子点发光组件
401：量子点发光体
402：封装层
403：载体
50：升降机构
具体实施方式
图1为本实用新型的一实施例的发光键盘1的剖面示意图。请先参考图1，本实施例的发光键盘1包括底板10、多个键帽20(图中仅示例性的画出一个键帽)、薄膜电路30及量子点发光组件40。多个键帽20分别通过升降机构50与底板10连接，以使多个键帽20可相对底板10上下运动。且每个键帽20分别具有透光区(图中未示出)，以供光线穿透而发光。薄膜电路30设置于底板10上，并位于底板10与多个键帽20之间。量子点发光组件40设置于底板10与薄膜电路30之间，且量子点发光组件40可受电激发而发出光线，光线穿透多个键帽20的透光区，从而使多个键帽20发光。
请再参考图2，图2绘示本实用新型的另一实施例的发光键盘1的剖面示意图。在本实施例中，量子点发光组件40设置于底板10的下方，底板10上与多个键帽20对应的位置分别设有破孔(图中未示出)，量子点发光组件40发出的光分别从破孔射出至多个键帽20的透光区。
请再参考图3，图3绘示本实用新型的又一实施例的发光键盘1的剖面示意图。在本实施例中，量子点发光组件40设置在薄膜电路30上，其发出的光直接射出至多个键帽20的透光区。
请再参考图4，图4绘示本实用新型的又一实施例的发光键盘1的剖面示意图。在本实施例中，发光键盘1包括多个量子点发光组件40，分别对应设置于多个键帽20的底面。多个量子点发光组件40发出的光分别直接射出至多个键帽20的透光区。
请再参考图5A，图5A绘示本实用新型的一实施例的量子点发光组件40的剖面示意图。在本实施例中，量子点发光组件40包括多个量子点发光体401及一封装层402，且多个量子点发光体401被封装层402覆盖。封装层402的作用主要是为了使量子点发光体401与水、氧隔离，从而防止其氧化。封装层402的材质可以是常用的透光封装胶，例如环氧树脂，改性环氧树脂，有机硅材料等。
请再参考图5B，图5B绘示本实用新型的另一实施例的量子点发光组件40的剖面示意图。在本实施例中，量子点发光组件40包括多个量子点发光体401及多个封装层402，且封装层402的数量与量子点发光组件40的数量相同，也就是说，每个量子点发光体401分别被一个封装层402覆盖。
请再参考图5C，图5C绘示本实用新型的又一实施例的量子点发光组件40的剖面示意图。在本实施例中，量子点发光组件40包括多个量子点发光体401及多个封装层402，且量子点发光体401的数量多于封装层402的数量。也就是说，其中一些封装层402分别覆盖一个量子点发光体401，而另外一些封装层402分别覆盖多个量子点发光体401。但本新型并不对此进行限制，每个封装层402覆盖的量子点发光体的数量可以根据实际需要进行设置。
请再一并参考图5A至图5C，在一实施例中，量子点发光组件40还包括一载体403，且多个量子点发光体401设置于载体403上。载体403的材质可为玻璃或者可挠性薄膜。在一实施例中，量子点发光组件40可直接以发光键盘1的薄膜电路30为载体，意即是，多个量子点发光体401可直接设置在薄膜电路30上，如此可进一步减薄发光键盘1的整体厚度。
在一实施例中，量子点发光组件40受电激发时可以发出一种颜色的光。在另一实施例中，量子点发光组件40受电激发时可以发出多种颜色的光。需要说明的是，量子点发光体401受电激发时发出的光线的颜色与其自身特性(材质、形状、大小等)有关。当量子点发光组件40包含多个不同特性(材质、形状、大小等)的量子点发光体401时，即可发出多种不同颜色的光。但量子点发光组件40的发光颜色可根据实际需要进行变化，本实用新型并不对此进行限制。
请再一并参考图6A至图6D，其分别绘示本实用新型的多个实施例的键帽20的发光效果示意图。在一实施例中，键帽20上具有多个字符201，键帽20对应于该些字符201分别具有透光区域202。该些透光区域202相互独立，也就是说，该些透光区域202互相不连接。在一实施例中，该些透光区域202透出的光线颜色各不相同。在其他实施例中，该些透光区域202透出的光线颜色也可以相同，本实用新型并不对此进行限制。
在一实施例中，键帽20上具有透光区域202，透光区域202上设置有多个字符201。透光区域202对应于多个字符201透出的光线颜色可以是一种，也可以是多种。透光区域202的形状可以是矩形，也可以是其他不规则的形状。但透光区域的形状和透出的光线颜色可根据实际需要进行变化，本实用新型并不对此进行限制。
另外，在本实用新型的一实施例中，发光键盘1还包括一电源供应单元(图中未示出)，其电性连接量子点发光组件40，以使量子点发光组件40受电激发而发光。电源供应单元例如是电路板，量子点发光组件40可以直接设置于电路板上，也可以通过导线连接至该电路板。但电源供应单元的具体结构以及量子点发光组件40与电源供应单元的具体连接方式可根据实际需要进行设置，本实用新型并不对此进行限制。
综上所述，在本实用新型的发光键盘中，量子点发光组件发出的光可直接射出至键帽，而不需要经由导光组件，可降低光横向传导而造成的光损失，提高光利用率。再者，量子点发光组件通过纳米级的量子点发光体封装而形成，其本身具有轻、薄的特点，且键盘结构中不需设置导光组件，可进一步降低键盘整体厚度，实现极薄化。另外，量子点发光组件中可包含不同特性(材质、形状、大小等)的量子点发光体，其受电激发可发出不同颜色的光，从而实现更丰富的视觉效果。
虽然本实用新型已以实施例揭露如上，然其并非用以限定本实用新型，任何所属技术领域中具有通常知识者，在不脱离本实用新型的精神和范围内，当可作些许的更动与润饰，故本实用新型的保护范围当视后附的权利要求范围所界定者为准。

Claims (10)

1.一种发光键盘，其特征在于，包括：
底板；
多个键帽，分别通过升降机构连接该底板；
薄膜电路，设置于该底板上，并位于该底板与该多个键帽之间；
量子点发光组件，设置于该多个键帽下方；
其中该量子点发光组件受电激发而发出光线，且该光线穿过该多个键帽的透光区。
2.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件设置在该底板与该薄膜电路之间。
3.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件设置于该底板下。
4.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件设置在该薄膜电路上。
5.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件设置于该多个键帽的底面。
6.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件包括：
多个量子点发光体；及
至少一封装层，覆盖该多个量子点发光体。
7.如权利要求6所述的发光键盘，其特征在于，该多个量子点发光体设置于该薄膜电路上。
8.如权利要求6所述的发光键盘，其特征在于，该量子点发光组件还包括一载体，且该多个量子点发光体设置于该载体。
9.如权利要求1所述的发光键盘，其特征在于，还包括一电源供应单元，电性连接该量子点发光组件。
10.如权利要求1所述的发光键盘，其特征在于，该量子点发光组件受电激发时能发出至少一种颜色的光。
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