TWM559445U - Cap-covered keyboard apparatus - Google Patents

Abstract

A cap-covered keyboard apparatus includes plural independent keycaps, wherein each the keycap has a main body, and a cover layer covering the main body and including a top fabric layer and a backing fabric layer attached to the top fabric layer, wherein a character is formed on a top surface of the top fabric layer, and after the top fabric layer goes through an alcohol abrasion test, a soft eraser abrasion test and a hard eraser abrasion test, a frame surrounding the character remains intact.

Description

Covered keyboard device

The present invention relates to an overlay keyboard device, and more particularly to a backlit keyboard comprising a plurality of independent keycaps and a plurality of independent overlay layers.

The conventional backlit keyboard is often used with a notebook computer. When the backlit keyboard turns on the backlight function in the dark, the white LED light-emitting diode (LED) inside the keyboard emits light, which is visible from the top of each keycap through the characters of the laser engraving, so that the user can clearly See the characters on the keyboard. When in bright, the LEDs in the backlit keyboard will be turned off to save power. Therefore, the backlit keyboard is very good at night or in the dark. Conversely, a non-backlit keyboard will not illuminate. However, in order to make the characters formed by the laser engraving light transparent, and the other parts of the keycap are not opaque, it is necessary to paint a plurality of layers on the body of the transparent keycap, and the lacquer can be painted up to ten layers, so that It is opaque and wear resistant. Then, remove the paint from the top character of the keycap with a laser engraving so that the character can see through the light.

However, the above-described process of repeatedly baking paint on the key cap body for up to ten layers requires a lot of manufacturing time and cost. Therefore, how to improve this conventional process to save related manufacturing costs and time is a worthwhile Thinking about the problem.

For the sake of his position, the creator can create the "overlay keyboard device" of this case because of the lack of prior art and the idea of thinking and improving the creation.

The main purpose of the present invention is to provide an overlay keyboard device, such that the key caps provided on the keyboard are not only beautiful and feel good, but also have a lower manufacturing cost than the conventional backlight keyboard because no paint is required. The related manufacturing time is shorter than the conventional backlit keyboard, and one light is transmitted from the characters on each of the keycaps to form a uniform light band.

Another main object of the present invention is to provide a cover type keyboard device comprising a plurality of independent key caps, wherein each of the key caps comprises a body, and a cover layer is attached to the body and includes a fabric layer and is attached to the fabric a primer layer, wherein the fabric layer has an upper surface and a lower surface, the upper surface has a top surface before rubbing and a top surface after rubbing, the bottom layer has an upper surface, and the front surface is rubbed A character is formed on the upper surface, and the fabric layer is rubbed at least 100 times by an alcohol abrasion test, at least 100,000 times with a soft eraser abrasion test, and at least 1 thousand times with a test hard eraser abrasion test. Thereafter, a distance between the upper surface after the rubbing and the upper surface of the primer layer is greater than a distance between the lower surface of the fabric layer and the upper surface of the primer layer.

Another main purpose of this case is to provide an overlay key. The disk device comprises a plurality of independent key caps, wherein each of the key caps comprises a body, and a cover layer is attached to the body and comprises a fabric layer, wherein a top surface of the fabric layer forms a character, and the fabric layer After being rubbed by an alcohol abrasion test for at least 100 times, a test with a soft eraser abrasion test friction of at least 100,000 times and a test with a hard eraser abrasion test friction of at least 1,000 times, the frame around one of the characters remains intact. .

In order to make the above objects, features, and advantages of the present invention more comprehensible, the preferred embodiments are described below, and the accompanying drawings are described in detail as follows:

1‧‧‧The key cap of the preferred embodiment of the present invention

10.‧‧‧ Covered keyboard device of the preferred embodiment of the present invention

11‧‧‧Ontology

111‧‧‧ top surface

12‧‧‧ Coverage

1211‧‧‧Under the surface of the fabric layer

122‧‧‧Under layer/adhesive layer/PU bottom layer

1221‧‧‧Top surface of the bottom layer

123‧‧‧ characters

1231‧‧‧Border

124‧‧‧Under the surface of the cover

125‧‧‧Face surface/overlay surface

1251‧‧‧The upper surface of the fabric layer before rubbing

1252‧‧‧The upper surface of the fabric layer after rubbing

126‧‧‧Thermal layer/light divergent layer/TPU thermoplastic layer

127‧‧‧Adhesive layer/PU hot melt adhesive layer

First Figure: A cross-sectional view showing a keycap in accordance with a preferred embodiment of the present inventive concept.

Second Figure: It shows a top view of a keycap of a keyboard in accordance with a preferred embodiment of the present inventive concept.

The first figure is a cross-sectional view showing a keycap in accordance with a preferred embodiment of the present inventive concept. The cover keyboard device proposed by the present invention comprises a plurality of independent key caps, wherein each of the key caps comprises a body and a cover layer. In the first figure, the keycap 1 includes a body 11 having a top surface 111, and a cover layer 12, wherein the cover layer 12 includes a fabric layer 121 and a primer layer (or an adhesive layer) 122. (having a surface 1221 above the primer layer), a A thermoplastic layer (or a divergent layer of light) 126 and an adhesive layer 127. The cover layer 12 is at least applied to each of the associated top surfaces 111 of the associated body 11 , wherein each of the cover layers 12 has a lower surface 124 attached to the top surface 111 and an upper surface 125 (ie, the fabric) On one of the upper surfaces of the layer 121, the fabric layer 121 further has a lower surface 1211 of the fabric layer. Before and after the aforementioned abrasion resistance test, the fabric layer 121 has a fabric layer before rubbing the upper surface 1251 and a fabric layer after rubbing. The upper surface 1252 is also uniformly shown here. After the fabric layer 121 at the upper surface 125 is removed by a laser engraving, a character 123 is formed. When the cover layer 12 is applied to the body 11, the character 123 is located above the top surface 111, and the plurality of cover layers 12 of the keyboard are independent of each other.

The invention is characterized in that: the fabric layer 121 is rubbed by an alcohol abrasion test at least 100 times as described above, and a test soft rub wear test friction is at least 100,000 times and a test hard eraser wear test friction After at least 1,000 times, the fabric layer 121 is still free of peeling (or is: a frame 1231 around the character 123 (see Figure 2) is complete after the three types of abrasion resistance experiments described above). The fabric layer 121 is still free of peeling after the above three kinds of abrasion resistance tests, and is dependent on the molecular size, coating thickness and texture design of the fabric layer 121. In general, when the molecule is larger, it is more wear-resistant, and when the coating is thicker, it is more wear-resistant. For example, it is well known in the art that when carbon black particles are added to the rubber to produce a reinforcing effect on the rubber, the carbon black of the larger particles has better wear resistance. Another example is the general knowledge in this field. It is known that the composite floor contains a transparent material (wear layer), a printed fabric and a primer. The thickness of the wear layer is related to the wear resistance of the floor. For example, in general offices or crowded places, such as restaurants, department stores, and storefronts, it is necessary to use a thicker wear-resistant plastic floor tile. In addition, it is known to those skilled in the art that when the tread of a car tire is a transverse groove tread, the driving force, the braking force and the traction force are excellent, and the wear resistance is good.

The aforementioned alcohol abrasion test includes a first test condition: speed: 1 cycle/second, back and forth distance: 20 mm, weight: 500 g, and a first experimental result: 75% (also 95% or 99) %) After the alcohol cotton cloth is rubbed at least 100 times, the fabric layer 121 is not peeled off (for example, the cover layer 12 does not expose the primer layer 122); the test soft eraser abrasion test includes a second test condition: speed: 1 cycle / second, back and forth distance: 20mm, weight: 200 grams, and a second experimental result: after rubbing with a CS-5 eraser for at least 100,000 times, the fabric layer 121 is still not peeled off (for example: the cover layer 12 does not expose the primer layer 122); the test hard eraser abrasion test includes a third test condition: speed: 1 cycle / second, back and forth distance: 20 mm, weight: 500 grams, and a third experimental result After the friction with an EF74 eraser or a CS-10F eraser for at least one thousand times, the fabric layer 121 is still not peeled off (for example, the cover layer 12 does not expose the primer layer 122).

In the first figure, the fabric layer 121 is one selected from the group consisting of a leather, a cloth, and an artificial leather. The leather has a softness, and the cloth is a cloth or a cloth. a cloth processing material And the artificial leather is selected from the group consisting of a full polyurethane (PU) or a full polyvinyl chloride (PVC) artificial leather, a PU surface combined with a knitted fabric, and a PU surface combined with a knitted fabric substrate. One of the group consisting of PU and a combination of PVC and knitted fabric.

The keycap 1 shown in the first figure, wherein a preferred embodiment of the fabric layer 121 is, for example, a PU fabric layer, a preferred embodiment of the primer layer 122 is, for example, a PU bottom. Material layer. A preferred embodiment of the thermoplastic layer 126 is, for example, a thermoplastic polyurethane (TPU) thermoplastic layer. A preferred embodiment of the adhesive layer 127 is, for example, a PU hot melt adhesive layer. Each of the cover layers 12 is formed by sequentially bonding the fabric layer 121, the primer layer 122, the thermoplastic layer 126 and the adhesive layer 127 from top to bottom.

Referring to the first figure, when the keycap 1 is manufactured, the thermoplastic layer 126 included in the cover layer 12 is shaped by a heating, a vacuum blistering and a cooling, and further the covering layer 12 is further formed. It is also shaped on the body 11. The body 11 and the cover layer 12 are bonded to each other by the adhesive layer 127. The primer layer 122 is an adhesive layer between the fabric layer 121 and the thermoplastic layer 126 for adhering the fabric layer 121 and the thermoplastic layer 126. The primer layer 122 includes a transparent material, an opaque colorant, and a light diffusing agent that is incorporated into the material to adjust the color seen by one of the characters 123.

The second figure is a top view showing a keycap of a keyboard in accordance with a preferred embodiment of the present inventive concept. In the second figure, a special feature of the keyboard 10 The fixed keycap 1 has a cover layer 12, and the cover layer 12 is corresponding to the top surface 111 of the body 11 (both of which are not shown) on the keycap 1, and is removed by laser engraving. After the fabric layer 121 is formed, a character 123 (the character is "W" having a border 1231) is formed.

Referring to the second figure, the colorant or the light diffusing agent has a light diverging effect, and one light is emitted from the inside of the keyboard device 10, because the coloring material included in the primer layer 122 and the light diffusing agent are Scattered or refracted or reflected such that the light becomes uniform over a uniform band of light. As shown in the first figure, the thermoplastic layer 126 is a light diverging layer for adjusting a luminescent color of the ray, the illuminating color being adjusted by passing through the thermoplastic layer 126 and the primer layer 122. The adhesive layer 127 (ie, the cover layer 12) further includes a surface 124 attached to the body 11.

Example

A cover type keyboard device comprising a plurality of independent keycaps, wherein each of the keycaps comprises: a body; and a cover layer covering the body and comprising a fabric layer and a primer attached to the fabric layer a layer, wherein the fabric layer has an upper surface and a lower surface, the upper surface has a front surface before rubbing and a top surface after rubbing, the bottom layer has an upper surface, and the upper surface of the friction forms a character And the fabric layer is rubbed by an alcohol abrasion test at least 100 times, a test with a soft eraser abrasion test friction of at least 100,000 times and a test hard oak After the rubbing abrasion test is rubbed for at least one thousand times, a distance between the upper surface of the rubbing and the upper surface of the primer layer is greater than between the lower surface of the fabric layer and the upper surface of the primer layer. a distance.

2. The cover keyboard device according to embodiment 1, which is used for a backlit keyboard or a telephone keypad, wherein the alcohol abrasion test is performed by rubbing an alcohol cotton cloth, and the alcohol concentration of the alcohol cotton cloth is selected from the group consisting of One of the groups consisting of 75%, 95% and 99%, the test with a soft eraser is a CS-5 eraser, the test with a hard eraser is an EF74 eraser or a CS-10F eraser, Each of the cover layers is independent of each other, and the fabric layer is a light shielding layer, and the fabric layer is completely removed by the laser engraving in the shape of the character so that a light emitted from the inside of the keyboard device can pass through the character.

3. The covered keyboard device of embodiment 1 or 2, wherein the alcohol abrasion test comprises a first test condition: speed: 1 cycle/second, back and forth distance: 20 mm, weight: 500 grams, and a first An experimental result: the coating layer does not expose the primer layer after rubbing with an alcohol cotton cloth for at least 100 times; the test soft eraser abrasion test includes a second test condition: speed: 1 cycle/second, back and forth distance : 20mm, load weight: 200 grams, and a second experimental result: after the friction 100,000 times, the cover layer does not expose the primer layer; the test hard eraser abrasion test includes a third test condition: speed: 1 Cycle / second, back and forth distance: 20mm, weight: 500 grams, and a third experimental result: after rubbing at least 1,000 times, the overlay The cover layer does not expose the primer layer.

4. The cover keyboard device according to any of the above embodiments, wherein the cover layer further comprises a thermoplastic layer and an adhesive layer, the adhesive layer is disposed on the body, and the thermoplastic layer is disposed on the Between the adhesive layer and the primer layer, the thermoplastic layer is shaped by a heating, a vacuum blistering and a cooling, and the covering layer is further shaped, the body and the covering layer are mutually bonded by the adhesive layer Bonding, the primer layer is an adhesive layer between the fabric layer and the thermoplastic layer for adhering the fabric layer to the thermoplastic layer, the primer layer comprising a transparent material, an opaque colorant and a light diffusing agent, the coloring material is incorporated into the material for adjusting a color seen by one of the characters, the coloring material or the light diffusing agent has a light diverging effect, and one light is emitted from the inside of the keyboard device. The colorant and the light diffusing agent are scattered or refracted or reflected to be uniform in a uniform light band, and the thermoplastic layer is a light emitting layer for adjusting a light color of the light. It is adjusted through the thermoplastic layer and the primer layer.

The cover type keyboard device according to any of the above embodiments, wherein the fabric layer is one selected from the group consisting of a leather, a cloth and an artificial leather, the leather has a softness, and the fabric is a a cloth made of a knitted fabric as a substrate or a cloth processing material, and the artificial leather is selected from the group consisting of a full polyurethane (PU) or a full polyvinyl chloride (PVC) artificial leather, a PU surface combined with a knitted fabric. Dry PU, a wet PU combined with a PU surface and a knitted fabric base, and a combination of a leather surface combined with a knitted fabric One of the groups.

A cover type keyboard device comprising a plurality of independent key caps, wherein each of the key caps comprises: a body; and a cover layer covering the body and comprising a fabric layer, wherein an upper surface of the fabric layer forms a surface Character, and the fabric layer is rubbed by an alcohol abrasion test at least 100 times, a test with a soft eraser abrasion test friction of at least 100,000 times and a test hard eraser abrasion test friction of at least 1 thousand times, around the One of the characters' borders remains intact.

The cover keyboard device of embodiment 6 is for a backlit keyboard or a telephone keypad, wherein each of the covering layers is independent of each other, and the covering layer further comprises a bottom layer bonded to one of the fabric layers. The character is completely removed by the laser engraving according to the character shape, so that one of the keyboard devices can emit the light from the inside, and the alcohol abrasion test includes a first test condition: speed : 1 cycle / second, back and forth distance: 20mm, weight: 500 grams, and a first experimental result: after rubbing with an alcohol cotton cloth for at least 100 times, the cover layer does not expose the primer layer; the test uses a soft eraser The abrasion test includes a second test condition: speed: 1 cycle/second, back and forth distance: 20 mm, weight: 200 g, and a second experimental result: after rubbing at least 100,000 times, the cover layer does not expose the primer The test; the hard eraser abrasion test for the test includes a third test condition: speed: 1 cycle/second, back and forth distance: 20 mm, weight: 500 g, And a third experimental result: the coating layer does not expose the primer layer after rubbing at least 1,000 times.

In summary, the present invention provides an overlay keyboard device such that the key caps provided on the keyboard are not only aesthetically pleasing but also have a good feel, and the backlights are more conventionally manufactured because they do not have to be painted. The keyboard is low, the related manufacturing time is shorter than the conventional backlit keyboard, and one of the light rays from the characters on the key cap is a uniform light band, so it is indeed novel and progressive.

Therefore, even though the present invention has been described in detail by the above-described embodiments, it can be modified by those skilled in the art, and is not intended to be protected as claimed.

Claims (7)

An overlay keyboard device comprising a plurality of independent keycaps, wherein each of the keycaps comprises: a body; and a cover layer covering the body and comprising a fabric layer and a primer layer attached to the fabric layer Wherein the fabric layer has an upper surface and a lower surface, the upper surface has a pre-friction upper surface and a rubbed upper surface, the primer layer has an upper surface, and the pre-friction upper surface forms a character, and The fabric layer is rubbed by an alcohol abrasion test for at least 100 times, a test with a soft eraser abrasion test friction of at least 100,000 times and a test with a hard eraser abrasion test friction of at least 1,000 times, after the friction A distance between the surface and the upper surface of the primer layer is greater than a distance between the lower surface of the fabric layer and the upper surface of the primer layer. The cover keyboard device according to claim 1 is for a backlit keyboard or a telephone keypad, wherein the alcohol abrasion test is performed by rubbing an alcohol cotton cloth, and the alcohol concentration of the alcohol cotton cloth is selected. One of the groups consisting of 75%, 95% and 99% free, the test with a soft eraser is a CS-5 eraser, the test with a hard eraser is an EF74 eraser or a CS-10F eraser Each of the cover layers is independent of each other, and the fabric layer is a light shielding layer, and the fabric layer is completely removed by the laser engraving in the shape of the character so that a light emitted from the inside of the keyboard device can pass through the character. The cover type keyboard device according to claim 1, wherein the alcohol abrasion test comprises a first test condition: speed: 1 cycle/second, back and forth distance: 20 mm, weight: 500 g, and a first Experimental results: After rubbing with an alcohol cotton cloth for at least 100 times, the cover layer did not expose the primer layer; the test soft eraser abrasion test included a second test condition: speed: 1 cycle/second, back and forth distance: 20mm, load weight: 200g, and a second experimental result: after the friction 100,000 times, the cover layer does not expose the primer layer; the test hard eraser abrasion test includes a third test condition: speed: 1 cycle / sec, back and forth distance: 20 mm, weight: 500 gram, and a third experimental result: after at least 1 thousand rubbing, the cover layer does not expose the primer layer. The cover keyboard device of claim 1, wherein the cover layer further comprises a thermoplastic layer and an adhesive layer, the adhesive layer is disposed on the body, and the thermoplastic layer is disposed on the adhesive layer. Between the primer layer and the bottom layer, the thermoplastic layer is shaped by a heating, a vacuum blistering and a cooling, and the covering layer is further shaped, and the covering layer and the covering layer are bonded to each other by the adhesive layer. The primer layer is an adhesive layer between the fabric layer and the thermoplastic layer for adhering the fabric layer and the thermoplastic layer, the primer layer comprising a transparent material, an opaque colorant and a light a diffusing agent, the coloring material is incorporated into the material to adjust a color seen by one of the characters, the coloring material or the light diffusing agent has a light diverging effect, and one light is emitted from the inside of the keyboard device due to the coloring material Is uniform with the light diffusing agent being scattered or refracted or reflected The light band becomes more uniform, and the thermoplastic layer is a light diverging layer for adjusting a light-emitting color of the light, the light color being adjusted by passing through the thermoplastic layer and the primer layer. The cover keyboard device of claim 4, wherein the fabric layer is one selected from the group consisting of a leather, a fabric and an artificial leather, the leather having a softness, the fabric being a knitted fabric A cloth or a cloth processing material, and the artificial leather is selected from the group consisting of a full polyurethane (PU) or a full polyvinyl chloride (PVC) artificial leather, a PU surface and a knitted fabric. One of the group consisting of a dry PU, a wet PU combined with a PU surface and a knitted fabric substrate, and a combination of a PVC surface and a knitted fabric. An overlay keyboard device comprising a plurality of independent keycaps, wherein each of the keycaps comprises: a body; and a cover layer covering the body and comprising a fabric layer, wherein a top surface of the fabric layer forms a character And the fabric layer is rubbed by an alcohol abrasion test at least 100 times, a test with a soft eraser abrasion test friction of at least 100,000 times and a test hard eraser abrasion test friction of at least 1 thousand times, after the character is surrounded A border remains intact. The cover keyboard device of claim 6, wherein the cover keyboard device is used for a backlit keyboard or a telephone keypad, wherein each of the cover layers is independent of each other, and the cover layer further comprises a bottom material attached to the fabric layer. Layer, the character The layer of the fabric is completely removed by the laser engraving so that one of the keyboard devices can emit the light from the inside. The alcohol abrasion test includes a first test condition: speed: 1 cycle / sec, back and forth distance: 20mm, weight: 500 grams, and a first experimental result: after rubbing with an alcohol cotton cloth for at least 100 times, the cover layer does not expose the primer layer; the test uses a soft eraser abrasion test Including a second test condition: speed: 1 cycle / second, back and forth distance: 20 mm, weight: 200 grams, and a second experimental result: after rubbing at least 100,000 times, the cover layer does not expose the primer layer; The test hard eraser abrasion test includes a third test condition: speed: 1 cycle / second, back and forth distance: 20 mm, load weight: 500 grams, and a third experimental result: after at least 1,000 times of friction, the cover layer The primer layer is not exposed.