CN101488405B

CN101488405B - Manufacturing method for lateral light emitting keycap

Info

Publication number: CN101488405B
Application number: CN2008100027475A
Authority: CN
Inventors: 吴哲东; 刘张礼
Original assignee: Yijia Science & Technology Co Ltd
Current assignee: Yijia Science & Technology Co Ltd; Ichia Technologies Inc
Priority date: 2008-01-16
Filing date: 2008-01-16
Publication date: 2010-12-22
Anticipated expiration: 2028-01-16
Also published as: CN101488405A

Abstract

The invention relates to a manufacturing method for a side direction light-emitting key cap. The manufacturing method comprises the steps: transparent materials are provided and made into a key cap. The key cap has the following structural characteristics: the bottom is provided with a light entering surface; the side direction position of the key cap is provided with a light-emitting surface, the interior of the key cap opposite to the light-emitting surface is manufactured into a refracting surface; and finally, except the light entering surface and the light emitting surface of the key cap, the surface and the outside surface of all side surfaces of the key cap are draped with a light shield layer; so the side direction light-emitting cap is obtained.

Description

Manufacturing method for lateral light emitting keycap

Technical field

The present invention relates to a kind of manufacture method of button, but relate in particular to a kind of manufacture method of lateral light emitting keycap.

Background technology

Button is one of main input equipment of electronic installation.Each button on key panel all has corresponding numeral, literal, phonetic symbol, input method radical or various functional graphic etc. usually, is convenient to confirm and imports correct information or carry out the function etc. of correspondence for the user.Therefore, button for general electronic product, a kind of very important man-machine interface of can saying so.

And whether sufficient according to the light of electronic product environment for use, all can provide faint or sufficient light source on the general key panel, so that the user operates under the situation of insufficient light for identification.Key panel was for seeing through the below light source in the past, directly to directly over the viewing area throw, though so can make illuminating effect preferable, the result of direct projection also stimulates human eye easily, especially the light source that shows suddenly in the dark is looked at straight down often because of the too strong temporary influence vision of light source.

In view of this, the inventor is for improving and addressing the aforementioned drawbacks, and proposes a kind of reasonable in design and effectively improve the present invention of above-mentioned defective.

Summary of the invention

Main purpose of the present invention, being to provide a kind of manufacturing method for lateral light emitting keycap, in order to reach above-mentioned purpose, the invention provides a kind of manufacturing method for lateral light emitting keycap, and its step comprises:

Light transmissive material is provided;

This light transmissive material is made keycap, and this keycap has following architectural feature: the bottom has incidence surface, provides exiting surface at this keycap side direction place, then makes plane of refraction in this relative keycap of this exiting surface; And

Except that the incidence surface and exiting surface of this keycap, at this key cap surface and each lateral outer coating light shield layer.

So, can obtain described lateral light emitting keycap.

This keycap utilizes side lighting to provide the light source of keystroke categories to show, and can't make light source directly to the human eye irradiation, to reduce or to reduce the injury to human eyes.

Description of drawings

Fig. 1 is a kind of three-dimensional exploded view of key panel, is applicable to the keycap that the present invention is made.

Fig. 2 is the three-dimensional combination figure according to Fig. 1.

Fig. 3 is the 3-3 cross-section cutaway view of Fig. 2.

Fig. 4 is a flow chart of steps of the present invention.

Fig. 5 is among the present invention, the floor map after the keycap moulding.

Fig. 6 is among the present invention, the floor map on the keycap after the coating shading surface.

Fig. 7 is according to key panel shown in Figure 3, with the partial sectional view of the corresponding setting of telecommunication module.

Fig. 8 is the action schematic diagram according to Fig. 7.

Fig. 9 after the made keycap of the present invention is applied to key panel, is applied to the floor map on the mobile phone again.

Figure 10 after the made keycap of the present invention is applied to key panel, is applied to the floor map on the PDA again.

Figure 11 after the made keycap of the present invention is applied to key panel, is applied to the floor map on the car inner control interface again.

Symbol description

1 key panel

10 non-photic zones, 100 identification districts

101 keycap holes, 11 keycap set

110 carriers, 111 keycaps

112 incidence surfaces, 113 shading surfaces

114 planes of refraction, 115 exiting surfaces

4 telecommunication modules

40 circuit boards, 400 contact points

41 metal clipss, 42 shell fragment films

43 prominent bodies

Embodiment

In order further to understand feature of the present invention and technology contents, please refer to following about detailed description of the present invention and accompanying drawing, yet appended graphic only provide with reference to and usefulness is described, be not to be used for the present invention is limited.

The invention provides a kind of manufacturing method for lateral light emitting keycap, its made keycap 111 can be applicable on the key panel 1.As shown in Figures 1 and 2, this key panel 1 comprises that non-photic zone 10, keycap set 11 constitute, wherein:

This non-photic zone 10 is thin shape plate, and makes with lighttight material, as circuit board, electric ink, wood, cork, leather or metal etc.Have by numeral, literal, phonetic symbol, input method radical or various functional graphic etc. in non-photic zone 10 upper surface place printings, etching or by the e-inks video picture to constitute identification district 100, and the side place in each identification district 100 is equipped with corresponding keycap hole 101 on this non-photic zone 10; In illustrated embodiment of the present invention, non-photic zone 10 is when upright state, and each keycap hole 101 is positioned at the downside place in its pairing identification district 100, certainly, and not as limit.

This keycap set 11 is positioned at non-photic zone 10 lower surface places.This keycap set 11 has and the non-photic zone 10 parallel carrier of repeatedly putting 110 in surface and a plurality of keycaps 111 that are based on this carrier 110, each keycap 111 and the 100 corresponding configurations of corresponding identification district, to pass in its pairing keycap hole 101, and protrude in non-photic zone 10 surfaces, push for staff.

As shown in Figure 3, each keycap 111 is that light-transmitting materials is made, as organic glass, plastics or Merlon etc., and can have color.Each keycap 111 has the incidence surface 112 that is positioned at its bottom, and is attached on the carrier 110; Each keycap 111 top then has shading surface 113, this shading surface 113 can be attached to keycap 111 surfaces by plating mode, and this shading surface 113 by keycap 111 tops towards each lateral outer coating, and between keycap 111 tops and lateral face, form plane of refraction 114, the side direction of the plane of refraction 114 of keycap 111 then is an exiting surface 115, this exiting surface 115 is not 113 coatings of shading surface, so no shaded effect.And after keycap 111 passed its pairing keycap hole 101, exiting surface 115 can be corresponding with these keycap 111 pairing identification districts 100, so that light source is invested this 100 places, identification district.The following describes the manufacture method of this keycap 111.

Please refer to Fig. 4, light transmissive material is provided earlier, it is in order to as constituting the required material of this keycap 111.

Please refer to Fig. 4 and Fig. 5 again, above-mentioned light transmissive material is made external physical characteristic with described keycap 111, comprise: these keycap 111 bottoms have described incidence surface 112, and provide described exiting surface 115 in these keycap 111 side direction places, in the relative keycap 111 of this exiting surface 115, make described plane of refraction 114.

At last, please refer to Fig. 4 and Fig. 6, except above-mentioned incidence surface 112 and exiting surface 115, at these keycap 111 top surfaces and each lateral outer coating light shield layer, in order to constituting described shading surface 113, and this shading surface 113 also coating to plane of refraction 114.So, promptly can obtain described keycap 111.

Above-mentioned steps flow chart is manufacturing method for lateral light emitting keycap of the present invention.

In view of the above, as shown in Figure 7, when this keycap 111 was applied on the aforementioned keys panel 1, key panel 1 time further correspondence was provided with telecommunication module 4.This telecommunication module 4 has flexible printed wiring board 40, this circuit board 40 is provided with a plurality of contact points 400, each contact point 400 is corresponding about in the of 111 with the keycap of key-press module 1 respectively, and on each contact point 400 all correspondence metal clips 41 is set, and on circuit board 40, establish the shell fragment film 42 that covers each

metal clips

41,1 of shell fragment film 42 and key-press module also are provided with a plurality of prominent bodies 43, and each prominent body 43 corresponds respectively to each place, keycap 111 belows of key-press module 1.

As shown in Figure 8, when the user imposes downwards when pushing strength to arbitrary keycap 111, can press on the prominent body 43 of correspondence, and the prominent body 43 that makes this correspondence is to lower compression shell fragment film 42 and metal clips 41, so that pairing contact point 400 is pressed, reach the purpose of input.At this moment, see through user's push action, can be by of incidence surface 112 inputs of external light source by keycap 111, after light reflects via plane of refraction 114, can be projected to identification district 100 towards exiting surface 115, and then provide illuminating effect to identification district 100, for user's identification, can't be because of the light direct projection influential human eye vision.

In addition,,, after it is applied to described key panel 1, at least also can be applicable to shown in Figure 11 as Fig. 9 as on the occasions such as mobile phone, PDA and car inner control interface by the keycap 111 that the present invention makes.Certainly be not limited to these occasions, use the occasion of button as man-machine operation interface such as other, also applicable.

The above is the preferred embodiments of the present invention only, is not so promptly limits the scope of the invention, and the equivalent structure that all utilizations specification of the present invention and accompanying drawing content are carried out changes, and all should be contained in the scope of the present invention.

Claims

1. manufacturing method for lateral light emitting keycap, its step comprises:

Light transmissive material is provided;

Described light transmissive material is made keycap, and described keycap is characterized in that the bottom has incidence surface, and the place provides exiting surface in described keycap side direction, makes plane of refraction in the relative described keycap of described exiting surface; And

Except that the incidence surface and exiting surface of described keycap, at described keycap outer surface of cupular part and each lateral outer coating light shield layer.

2. manufacturing method for lateral light emitting keycap according to claim 1 is characterized in that described light transmissive material is plastics.

3. manufacturing method for lateral light emitting keycap according to claim 1 is characterized in that, described light transmissive material is polymethyl methacrylate or Merlon.

4. according to claim 1,2 or 3 described manufacturing method for lateral light emitting keycap, it is characterized in that described light transmissive material has color.

5. manufacturing method for lateral light emitting keycap according to claim 1 is characterized in that, described light shield layer is adhered on described keycap outer surface of cupular part and each lateral outer by plating mode.