CN104091709A - Key provided with built-in indicating light source and manufacturing method thereof - Google Patents

Key provided with built-in indicating light source and manufacturing method thereof Download PDF

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Publication number
CN104091709A
CN104091709A CN201410286749.7A CN201410286749A CN104091709A CN 104091709 A CN104091709 A CN 104091709A CN 201410286749 A CN201410286749 A CN 201410286749A CN 104091709 A CN104091709 A CN 104091709A
Authority
CN
China
Prior art keywords
transparent material
material layer
light
base plate
keycap
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410286749.7A
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Chinese (zh)
Inventor
杨淞富
王俊元
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Original Assignee
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Darfon Electronics Suzhou Co Ltd, Darfon Electronics Corp filed Critical Darfon Electronics Suzhou Co Ltd
Priority to CN201410286749.7A priority Critical patent/CN104091709A/en
Publication of CN104091709A publication Critical patent/CN104091709A/en
Pending legal-status Critical Current

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Abstract

The invention provides a key provided with a built-in indicating light source. The key is characterized by comprising a base plate, a key cap provided with a light transmitting region and capable of vertically and movably connected to the upper portion of the base plate to enable the key cap to move between a non-pressed position and a pressed position relative to the base plate, a thin film circuit arranged on the base plate, a light emitting element arranged on the thin film circuit, a transparent material layer covering the light emitting element and provided with a top region, and a non-transparent material layer covering the transparent material layer except other regions outside the top region, wherein the top region is aligned to the light transmitting region. The key can effectively prevent light emitted by a light source from being leaked outside. In addition, a manufacturing method is simple compared with the prior art.

Description

There is button and the manufacture method thereof of built-in instruction light source
Technical field
The present invention has button (keyswitch) and the manufacture method thereof of built-in instruction light source (built-in indicating light source) about one, and particularly about button and the manufacture method thereof not with built-in instruction light source that can light leak.
Background technology
The button with built-in instruction light source has been more common in consumer products, and relevant front case technology can be with reference to Taiwan patent announcement M415344 and I420553.When this class button is applied in the information products such as desktop computer, notebook computer, panel computer, mobile phone, it is common is used as locking key (caps lock), num lock key (num lock), power key, function key of capitalization etc.
The light-emitting components such as the built-in such as light-emittingdiode of this class button (LED).In the time that this class button is enabled (active), for example, when caps lock key is enabled, can on its corresponding keycap (keycap), demonstrate a bright spot, for user's identification.It is upper that this light-emitting component is arranged at thin film circuit (membrane circuit), and be positioned at the below of this type of key cap of key set.
But the light that above-mentioned light-emitting component sends shows bright spot on being projected to keycap, also can leak from the space between keycap and thin film circuit, and cause light leak, inaesthetic problem.
Have prior art to utilize polyester film (Mylar) as anti-dazzling screen, the surrounding of anti-dazzling screen has the lightproof area that coating ink forms, and is used for covering the light beam that originally can leak.Separately there is prior art utilization to there is the light shield of perforate, be arranged on light-emitting component, be used for covering the light beam that originally can leak.
But the anti-dazzling screen that prior art adopts or light shield need to be manufactured separately, then be arranged on thin film circuit, processing procedure is comparatively complicated.In addition anti-dazzling screen or light shield that, prior art adopts are also unfavorable for being applied in the button of low stroke.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention proposes a kind of button and manufacture method thereof with built-in instruction light source.
The invention discloses a kind of button with built-in instruction light source, it is characterized in that this button comprises: base plate; Keycap, has a transmission region, and can move up and down the top that is connected in this base plate, causes this keycap between pressing position and a pressing position, not move in one with respect to this base plate; Thin film circuit layer, is arranged on this base plate; Light-emitting component, is arranged on this thin film circuit layer; Transparent material layer, covers this light-emitting component, and has a top area, this top area this transmission region that aligns; And non-transparent material layer, cover other regions except this top area on this transparent material layer.
As optional scheme, this light-emitting component sends a light, and this light connects this transmission region and this light-emitting component and forms a straight line path, and this optics advances along this straight line path, to reach this transmission region through this top area.
As optional scheme, in the described button with built-in instruction light source, this thin film circuit layer comprises a switch, and in the time that this keycap moves to this pressing position, this switch activated triggering.
As optional scheme, in the described button with built-in instruction light source, this transparent material layer is formed by one first UV cured glue or one first glue, and this non-transparent material layer is formed by one second UV cured glue or one second glue.
As optional scheme, in the described button with built-in instruction light source, this light-emitting component is semiconductor light emitting component or an organic illuminating element.
The invention also discloses a kind of manufacture method of the button with built-in instruction light source, this manufacture method comprises the following step:
(a) prepare a base plate;
(b) a thin film circuit layer is set on this base plate;
(c) light-emitting component is set on this thin film circuit layer;
(d) form a transparent material layer to cover this light-emitting component, wherein this transparent material layer has a top area;
(e), except this top area, form a non-transparent material layer to cover this transparent material layer;
(f) prepare a keycap, wherein this keycap has a transmission region; And
(g) this keycap is installed on this base plate, wherein this keycap can move up and down the top that is connected to this base plate, cause this keycap between pressing position and a pressing position, not move in one with respect to this base plate, and this transmission region this top area of aliging.
As optional scheme, in described manufacture method, this step (e) comprises the following step:
Form this non-transparent material layer to cover this transparent material layer; And
Remove this non-transparent material layer being covered in this top area.
As optional scheme, in described manufacture method, this step (e) comprises the following step:
This non-transparent material layer covers the whole of this transparent material layer; And
Remove this non-transparent material layer being covered in this top area.
As optional scheme, this non-transparent material layer being covered in this step (e) in this top area in described manufacture method is to remove by drill bit or laser.
As optional scheme, in described manufacture method, this step (e) comprises the following step:
Cover this top area; And
Form this non-transparent material layer to cover the region of not crested of this transparent material layer.
Compared with prior art, the present invention has button simple in structure of built-in instruction light source, for the transparent material layer that prevents light leak with non-transparent material layer without making separately, and only need directly be formed on light source, therefore button of the present invention not only can effectively stop the light that light source sends to leak, the more important thing is, the manufacture method of button of the present invention is also more simple and easy than prior art.
Brief description of the drawings
Fig. 1 is the cross section view that a preferred embodiment of the present invention has the button of built-in instruction light source.
Fig. 2 is the partial cross sectional views of the button 1 with built-in instruction light source of the present invention in its manufacture process.
Fig. 3 is a partial cross sectional views of the button with built-in instruction light source of the present invention.
Fig. 4 is the button of the built-in instruction light source of having of another a specific embodiment of the present invention partial cross sectional views in its manufacture process.
Embodiment
For making that object of the present invention, structure, feature and function thereof are had to further understanding, hereby coordinate embodiment to be described in detail as follows.
Refer to Fig. 1.Fig. 1 is the button 1 that schematically illustrates the built-in instruction light source of having of a preferred embodiment of the present invention with cross section view.
As shown in Figure 1, the button 1 of built-in instruction light source of the present invention comprises base plate 10, keycap 12, thin film circuit layer 14, light-emitting component 16, transparent material layer 18 and non-transparent material layer 20.
Keycap 12 has transmission region 122, and can move up and down the top that is connected in base plate 10, cause keycap 12 with respect to base plate 10 in not moving between pressing position and pressing position.Thin film circuit layer 14 is arranged on base plate 10, and light-emitting component 16 is arranged on thin film circuit layer 14.Light-emitting component 16 can emit beam, and the light that it sends connects transmission region 122 and forms straight line path with light-emitting component 16.
Transparent material layer 18 is formed at light-emitting component 16 tops with covering luminous element 16, and has top area 182.Top area 182 transmission region 122 that aligns, makes the luminous straight line path of light through top area 182.
Non-transparent material layer 20 forms to cover other regions except top area 182 on transparent material layer 18.The light that light-emitting component 16 sends advance along straight line path, and arrive transmission region 122 through top area 182.
In a specific embodiment, thin film circuit layer 14 comprises switch 142.Switch 142 is responded keycap 12 and is moved to pressing position and activated triggering, that is to say in the time that keycap 12 moves to pressing position, and keycap 12 is trigger switch 142.In the time that button 1 of the present invention is enabled, the light that light-emitting component 16 is launched is through top area 182 directive transmission regions 122.The non-transparent material layer 20 that covers other regions except top area 182 on transparent material layer 18 can stop that the light that light-emitting component 16 is launched leaks between keycap 12 and thin film circuit layer 14.
Be shown in equally Fig. 1, the button 1 with built-in instruction light source of the present invention also comprises elastic actuator 22 and bracing or strutting arrangement 24.
Elastic actuator 22 is arranged on thin film circuit layer 14, and butt is to keycap 12.For example, as shown in Figure 1, top 222 butts of elastic actuator 22 are to the basal surface 120 of keycap 12.
Bracing or strutting arrangement 24 is arranged between base plate 10 and keycap 12, and is connected to rotationally respectively basal surface 120 and the base plate 10 of keycap 12.On the basal surface 120 of base plate 10 and keycap 12, form the structure of assisting bracing or strutting arrangement 24 fixing.Bracing or strutting arrangement 24 limits keycap 12 and does to open with respect to film 32 vertical movement, in not moving between pressing position and pressing position.As shown in Figure 1, bracing or strutting arrangement 24 can be scissor structure, but not as limit.
In the time that keycap 12 is not pressed, elastic actuator 22 supports keycap 12 at pressing position not.In the time that keycap 12 is caused elastic actuator 22 to be out of shape by pressed by external force, keycap 12 moves to pressing position, causes elastic actuator 22 actuation switchs 142 to trigger.Structure and element that the structure of button 1 its support keycap 12 with built-in instruction light source of the present invention and the element that actuation switch 142 triggers do not disclose with Fig. 1 are limited.
In a specific embodiment, light-emitting component 16 can be that semiconductor light-emitting elements, organic illuminating element or other can be used for small size to be arranged at the light-emitting component in button.
First the method for manufacturing the button with built-in instruction light source in a preferred embodiment of the present invention, is to prepare base plate 10.
Then, thin film circuit layer 14 is set on base plate 10.
Then, light-emitting component 16 is set on thin film circuit layer 14.
Then, form transparent material layer 18 with covering luminous element 16, wherein transparent material layer 18 has top area 182.
Then,, except top area 182, form non-transparent material layer 20 to cover transparent material layer 18.
Then, prepare keycap 12, wherein keycap 12 has transmission region 122.
Finally, keycap 12 is installed on base plate 10, wherein keycap 12 can move up and down the top that is connected to base plate 10, cause keycap 12 with respect to base plate 10 in not moving between pressing position and pressing position, and transmission region 122 top area 182 of aliging.
Refer to Fig. 2 and Fig. 3.Fig. 2 is the partial cross sectional views of the button 1 with built-in instruction light source of the present invention in its manufacture process.Fig. 3 is a partial cross sectional views of the button with built-in instruction light source of the present invention.In a specific embodiment, about the formation of transparent material layer 18, top area 182 and non-transparent material layer 20, as shown in Figure 2, light-emitting component 16 is to be arranged on thin film circuit layer 14, transparent material layer 18 is covering luminous element 16, and non-transparent material layer 20 is to cover transparent material layer 18.Then, as shown in Figure 3, remove the non-transparent material layer 20 being covered in top area 182.For example, the non-transparent material layer 20 being covered in top area 182 can remove by the mode such as drill bit or laser.
Refer to Fig. 4.Fig. 4 is the partial cross sectional views of button in its manufacture process that another specific embodiment of the present invention has a built-in instruction light source.In another specific embodiment, about the formation of transparent material layer 18, top area 182 and non-transparent material layer 20, as shown in Figure 4, light-emitting component 16 is arranged on thin film circuit layer 14, transparent material layer 18 covering luminous elements 16, and utilize tool 3 to cover top area 182 simultaneously and inject the material that forms non-transparent material layer 20 to cover the not region of crested of transparent material layer 18.Then, removing fixture 3 forms structure as shown in Figure 3.
In a specific embodiment, transparent material layer 18 is formed by the first UV cured glue or the first glue.Non-transparent material layer 20 is formed by the second UV cured glue or the second glue.
By above to detailed description of the present invention, can clearly recognize that the present invention has button simple in structure of built-in instruction light source, for the transparent material layer that prevents light leak with non-transparent material layer without making separately, and only need directly be formed on light source, therefore button of the present invention not only can effectively stop the light that light source sends to leak, the more important thing is, the manufacture method of button of the present invention is also more simple and easy than prior art.
By the above detailed description of preferred embodiments, be to wish more to know to describe feature of the present invention and spirit, and not with above-mentioned disclosed preferred embodiment, scope of the present invention limited.On the contrary, its objective is that design that hope can contain various changes and tool equality is in the scope of the scope of the claims of institute of the present invention wish application.Therefore, the scope of the claims that the present invention applies for should be done the broadest explanation according to above-mentioned explanation, to cause it to contain the design of all possible change and tool equality.

Claims (13)

1. there is a button for built-in instruction light source, it is characterized in that this button comprises:
Base plate;
Keycap, has a transmission region, and can move up and down the top that is connected in this base plate, causes this keycap between pressing position and a pressing position, not move in one with respect to this base plate;
Thin film circuit layer, is arranged on this base plate;
Light-emitting component, is arranged on this thin film circuit layer;
Transparent material layer, covers this light-emitting component, and has a top area, this top area this transmission region that aligns; And
Non-transparent material layer, covers other regions except this top area on this transparent material layer.
2. the button with built-in instruction light source as claimed in claim 1, it is characterized in that this light-emitting component sends a light, this light connects this transmission region and this light-emitting component and forms a straight line path, and this optics is advanced along this straight line path, to reach this transmission region through this top area.
3. the button with built-in instruction light source as claimed in claim 1 or 2, is characterized in that this thin film circuit layer comprises a switch, and in the time that this keycap moves to this pressing position, this switch activated triggering.
4. the button with built-in instruction light source as claimed in claim 1 or 2, it is characterized in that this transparent material layer is formed by one first UV cured glue or one first glue, this non-transparent material layer is formed by one second UV cured glue or one second glue.
5. the button with built-in instruction light source as claimed in claim 1 or 2, is characterized in that this light-emitting component is semiconductor light emitting component or an organic illuminating element.
6. there is a manufacture method for the button of built-in instruction light source, it is characterized in that this manufacture method comprises the following step:
(a) prepare a base plate;
(b) a thin film circuit layer is set on this base plate;
(c) light-emitting component is set on this thin film circuit layer;
(d) form a transparent material layer to cover this light-emitting component, wherein this transparent material layer has a top area;
(e), except this top area, form a non-transparent material layer to cover this transparent material layer;
(f) prepare a keycap, wherein this keycap has a transmission region; And
(g) this keycap is installed on this base plate, wherein this keycap can move up and down the top that is connected to this base plate, cause this keycap between pressing position and a pressing position, not move in one with respect to this base plate, and this transmission region this top area of aliging.
7. manufacture method as claimed in claim 6, is characterized in that this step (e) comprises the following step:
Form this non-transparent material layer to cover this transparent material layer; And
Remove this non-transparent material layer being covered in this top area.
8. manufacture method as claimed in claim 7, is characterized in that this step (e) comprises the following step:
This non-transparent material layer covers the whole of this transparent material layer; And
Remove this non-transparent material layer being covered in this top area.
9. manufacture method as claimed in claim 8, is characterized in that this non-transparent material layer being covered in this top area in this step (e) is to remove by drill bit or laser.
10. manufacture method as claimed in claim 6, is characterized in that this step (e) comprises the following step:
Cover this top area; And
Form this non-transparent material layer to cover the region of not crested of this transparent material layer.
11. manufacture methods as claimed in claim 6, is characterized in that this thin film circuit layer comprises a switch, and in the time that this keycap moves to this pressing position, this switch activated triggering.
12. manufacture methods as claimed in claim 6, is characterized in that this transparent material layer is formed by one first UV cured glue or one first glue, and this non-transparent material layer is formed by one second UV cured glue or one second glue.
13. manufacture methods as claimed in claim 6, is characterized in that this light-emitting component is semiconductor light emitting component or an organic illuminating element.
CN201410286749.7A 2014-06-24 2014-06-24 Key provided with built-in indicating light source and manufacturing method thereof Pending CN104091709A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410286749.7A CN104091709A (en) 2014-06-24 2014-06-24 Key provided with built-in indicating light source and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410286749.7A CN104091709A (en) 2014-06-24 2014-06-24 Key provided with built-in indicating light source and manufacturing method thereof

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CN104091709A true CN104091709A (en) 2014-10-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106328417A (en) * 2015-06-30 2017-01-11 普瑞有限公司 Rocker switch with movable light ducts

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040174339A1 (en) * 2003-03-04 2004-09-09 Pin-Chien Liao Keyboard structure
US20080062671A1 (en) * 2006-09-13 2008-03-13 Darfon Electronics Corp. Luminous key mechanism
CN101944447A (en) * 2010-08-31 2011-01-12 苏州达方电子有限公司 Key, keyboard and assembling method thereof
CN201717158U (en) * 2010-06-06 2011-01-19 苏州达方电子有限公司 Key and keyboard
CN103177893A (en) * 2011-12-21 2013-06-26 致伸科技股份有限公司 Keyboard device with light emitting key

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040174339A1 (en) * 2003-03-04 2004-09-09 Pin-Chien Liao Keyboard structure
US20080062671A1 (en) * 2006-09-13 2008-03-13 Darfon Electronics Corp. Luminous key mechanism
CN201717158U (en) * 2010-06-06 2011-01-19 苏州达方电子有限公司 Key and keyboard
CN101944447A (en) * 2010-08-31 2011-01-12 苏州达方电子有限公司 Key, keyboard and assembling method thereof
CN103177893A (en) * 2011-12-21 2013-06-26 致伸科技股份有限公司 Keyboard device with light emitting key

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106328417A (en) * 2015-06-30 2017-01-11 普瑞有限公司 Rocker switch with movable light ducts

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Application publication date: 20141008