CN206931520U - Illuminated keyboard - Google Patents
Illuminated keyboard Download PDFInfo
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- CN206931520U CN206931520U CN201720875702.3U CN201720875702U CN206931520U CN 206931520 U CN206931520 U CN 206931520U CN 201720875702 U CN201720875702 U CN 201720875702U CN 206931520 U CN206931520 U CN 206931520U
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- layer
- substrate
- guide plate
- light guide
- coating member
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Abstract
A kind of illuminated keyboard, including substrate, multiple buttons, light guide plate, coating member and reflecting layer.Substrate includes upper surface and lower surface.Multiple buttons are arranged at the upper surface of substrate.Light guide plate is below the substrate and including relative top surface and bottom surface, and top surface is towards the lower surface of substrate.Coating member is located at substrate lower section and has central area Ji Huanzhou areas, central area correspondingly covers the bottom surface of light guide plate, Huan Zhou areas are surrounded on the outer shroud week of central area and are arranged at the lower surface of substrate, central area is formed closing space with Huan Zhou areas, light guide plate is placed in closing space.Reflecting layer is between the bottom surface of light guide plate and the central area of coating member, and reflecting layer is located in the range of the upright projection of the bottom surface of light guide plate.
Description
Technical field
The utility model is on a kind of keyboard, particularly relates to a kind of illuminated keyboard.
Background technology
Keyboard is input equipment very common at present, and it is typically that collocation electronic installation uses, such as desktop computer,
Notebook computer, intelligent mobile phone or tablet personal computer etc..In addition, for the use environment in response to illumination deficiency, develop then
A kind of illuminated keyboard with lighting function.
Illuminated keyboard on the market is mainly used as light emitting source by the use of backlight module (backlight module) at present.The back of the body
Optical module is installed on the bottom of each button, usually irradiates light guide plate using light source (such as LED), light guide plate is sent light simultaneously
For leaded light to each button, the digital or word for causing to be indicated on button can appear light.However, light guide plate is except upward by light
It is guide-lighting to the problem of outside each button, also causing light leak towards other direction (such as lower section or surrounding) scatterings, such as to four
The light of week scattering easily from the seam crossing light leak around keyboard, the light scattered downwards easily from the hole of keyboard bottom or
Gap light leak.
Utility model content
Main purpose of the present utility model, it is to provide a kind of illuminated keyboard, including substrate, multiple buttons, light guide plate, bag
Cover part and reflecting layer.Substrate includes upper surface and lower surface.Multiple buttons are arranged at the upper surface of substrate.Light guide plate is located at base
Below plate and including relative top surface and bottom surface, top surface is towards the lower surface of substrate.Coating member is below the substrate, wherein wrapping
Covering part has central area Ji Huanzhou areas, and central area correspondingly covers the bottom surface of light guide plate, and Huan Zhou areas are surrounded on the outer shroud week of central area
And the lower surface of substrate is arranged at, central area is formed a closing space with Huan Zhou areas, light guide plate is placed in closing space.Reflection
Layer is between the bottom surface of light guide plate and the central area of coating member, and reflecting layer is located at the upright projection scope of the bottom surface of light guide plate
It is interior.
Above-mentioned illuminated keyboard, wherein, the coating member is a dark diaphragm.
Above-mentioned illuminated keyboard, wherein, the coating member is a pair of Rotating fields, including a shielding layer and a hyaline layer, and in
The Huan Zhou areas of the coating member and the central area, the inner surface of the hyaline layer are all provided with the shielding layer.
Above-mentioned illuminated keyboard, wherein, the coating member is a pair of Rotating fields, including a shielding layer and a hyaline layer, and only
In the Huan Zhou areas of the coating member, the inner surface of the hyaline layer is provided with the shielding layer.
Above-mentioned illuminated keyboard, wherein, the shielding layer is a dark oil layer of ink.
Above-mentioned illuminated keyboard, wherein, the Huan Zhou areas of the coating member have a following layer, and the Huan Zhou areas are with the following layer
Then in the lower surface of the substrate.
Above-mentioned illuminated keyboard, wherein, the following layer is a dark glue-line.
Above-mentioned illuminated keyboard, wherein, the reflecting layer is that a reflective ink layer, a reflective membrane, a reflective sheeting or one are reflective
Plate.
Above-mentioned illuminated keyboard, wherein, the lower surface of the substrate is further provided with a light shield layer, the Huan Zhou areas of the coating member
It is fixed in the light shield layer.
Above-mentioned illuminated keyboard, wherein, the substrate further includes a cementation layer, and the cementation layer is adhered to the light shield layer and the base
Between the lower surface of plate.
To sum up, the illuminated keyboard of the utility model embodiment is covered in light guide plate through coating member, can avoid by light guide plate
The light that side and lower section are sent escapes from the gap of keyboard periphery and bottom, and the light that light guide plate is sent downwards can be via anti-
Penetrating layer, reflection is projected with concentrating towards button upwards, is reached and is improved luminous benefit.In addition, it is located at the bottom of light guide plate by reflecting layer
In the range of the upright projection in face, the reflected layer reflection of the light that can avoid being sent by light guide plate side and from being laterally again introduced into
In light guide plate, the problem of impacting light guide plate internal reflection effect or brightness disproportionation.
Brief description of the drawings
Fig. 1 is the exploded perspective view of the embodiment of the utility model illuminated keyboard one.
Fig. 2 is the sectional view of the embodiment of the utility model illuminated keyboard one.
Fig. 3 is the sectional view of another embodiment of the utility model illuminated keyboard.
Fig. 4 is the sectional view of the another embodiment of the utility model illuminated keyboard.
Wherein, reference is：
1 illuminated keyboard
10 substrates
11 upper surfaces
12 lower surfaces
13 cementation layers
14 loopholes
15 light shield layers
151 transmittance sections
16 circuit boards
20 buttons
30 light guide plates
31 top surfaces
32 bottom surfaces
35 illuminating parts
40th, 40A, 40B coating member
41 central areas
42 Huan Zhou areas
421 following layers
43rd, 43A shielding layers
44 hyaline layers
50 reflecting layer
C closing spaces
R upright projection scopes
Embodiment
Fig. 1 is the exploded perspective view of the embodiment of the utility model illuminated keyboard one, and Fig. 2 is the utility model illuminated keyboard one
The sectional view of embodiment, as shown in Figures 1 and 2, the illuminated keyboard 1 of the present embodiment include substrate 10, multiple buttons 20, leaded light
Plate 30, coating member 40 and reflecting layer 50.
As shown in Figures 1 and 2, substrate 10 can be the hard made by metal (such as aluminium, steel, alloy etc.) or plastic material
Plate body simultaneously has relative upper surface 11 and lower surface 12.Multiple spread configurations of button 20 above the upper surface 11 of substrate 10,
Wherein, the upper surface 11 of substrate 10 can be provided with a circuit board 16, such as general circuit plate (Printed Circuit Board,
PCB), flexible circuit board (Flexible Print Circuit Board, FPCB) or flexible-rigid compound circuit board (Rigid-Flex
The various circuit board such as PCB), each button 20 can be located at the top of circuit board 16, when button 20 is depressed, can trigger circuit board 16
To produce signal.
Light guide plate 30 can be hard light guide plate or soft light guiding film and have relative top surface 31 and bottom surface 32, light guide plate 30
The lower section of substrate 10 is arranged at, makes the top surface 31 of light guide plate 30 towards the lower surface 12 of substrate 10.Wherein, light guide plate 30 can be by poly- carbon
Acid esters (PC), acryl plastics (PMMA) or glass material are made and have the function of guiding light, when extraneous light enters
It can be reflected after light guide plate 30 in light guide plate 30 and form area source, for example, shown in Fig. 2, in the present embodiment, light guide plate
30 side is provided with an illuminating part 35 (such as LED, fluorescent lamp or infrared lamp etc.), and illuminating part 35 is corresponding to be irradiated in light guide plate
30, so that light guide plate 30 is luminous.In certain embodiments, illuminating part 35 can also be located at top surface 31 or the bottom surface 32 of light guide plate 30
On, so that can also there is a spacing between light guide plate 30 by entering light or illuminating part 35 above or below light guide plate 30, with from
Transmitting light irradiation light guide plate 30 at a distance, the present embodiment does not limit to.
Again as shown in Fig. 2 in the present embodiment, substrate 10 offers multiple loopholes 14, and each loophole 14 runs through substrate
10 upper surface 11 and lower surface 12 and be pointed to each button 20, the light that light guide plate 30 is sent can pass through loophole 14 with
Button 20 is irradiated in, wherein, there can be transmission region (such as numeral or literal field) on button 20, thereby, when the light of button 20
When, its transmission region can appear light, and can be in response to the use environment of illumination deficiency.
In one embodiment, the area of coating member 40 is greater than the area of light guide plate 30, and coating member 40 is corresponded to and is covered in
Outside light guide plate 30.Such as shown in Fig. 1 and Fig. 2, in the present embodiment, coating member 40 includes the Ji Huanzhou areas 42 of central area 41,
The bottom surface 32 of the corresponding covering light guide plate 30 of central area 41, Huan Zhou areas 42 then may connect to the lower surface 12 of substrate 10, make coating member
40 central area 41 is surrounded with Huan Zhou areas 42 and forms a closing space C, and light guide plate 30 is placed in closing space C, thereby, is led
It can be covered with surrounding by coating member 40 bottom surface 32 of tabula rasa 30.
As shown in Figures 1 and 2, in the present embodiment, coating member 40 is an opaque dark diaphragm, such as coating member 40
Can be black, coffee color or brown plastic sheet with the function with shield lights, can avoid by the side of light guide plate 30 and lower section hair
The light gone out escapes from the gap of keyboard periphery and bottom, reaches the advantages of improving luminous benefit.In certain embodiments, wrap
It can be dark flexible lamellar body made of plastics or elastomeric material to cover part 40, to be easily assembled to pliability or, coating member
40 or plastics or the dark hardmask made of elastomeric material, enable light guide plate 30 further by coating member 40
Protection.
In certain embodiments, the Huan Zhou areas 42 of coating member 40 mode such as can pass through cementation, heat and are fixed on substrate 10
Lower surface 12.As shown in Figures 1 and 2, in the present embodiment, there is following layer 421 in the Huan Zhou areas 42 of coating member 40, coat
Part 40 is then in the lower surface 12 of substrate 10 with following layer 421.In one embodiment, following layer 421 can be a dark glue-line
(such as black, coffee color or brown glue-line), to avoid the light that light guide plate 30 is sent between coating member 40 and substrate 10
Seam crossing light leak.
As shown in Figures 1 and 2, reflecting layer 50 be provided at the bottom surface 32 of light guide plate 30 and coating member 40 central area 41 it
Between, for example, reflecting layer 50 can be reflective ink layer and be printed on the central area 41 of coating member 40, such as reflecting layer 50 can
There is reflective effect (such as white, silver color, gold, light blue, light green color, light yellow or light gray ink layer) for light color inks layer
Fruit.It is or reflecting layer 50 or reflective membrane (such as glass reflective film, PET reflective membranes, PVC reflective membranes or light film), anti-
Machine-glazed paper or reflector, and the mode such as permeable adhesion, hot melt, attaching is fixed on the central area 41 of coating member 40 or light guide plate
On 30 bottom surface 32.
In one embodiment, reflecting layer 50 is in the range of the upright projection of the bottom surface 32 of light guide plate 30.Such as Fig. 1 with
Shown in Fig. 2, here, the bottom surface 32 of light guide plate 30 is to be projected towards Z-direction and formed and hung down with the size identical one of bottom surface 32
Straight drop shadow spread R, reflecting layer 50 are arranged in upright projection scope R, and furthermore, the edge in reflecting layer 50 is without departing from vertical
Drop shadow spread R edge, thereby, the light that light guide plate 30 is sent downwards can via reflecting layer 50 again upwards reflection with concentrate towards by
Key 20 projects, and reaches the benefit that further increase is luminous.In addition, it is located at the vertical of the bottom surface 32 of light guide plate 30 by reflecting layer 50
In drop shadow spread R, reflecting layer 50 is not extend at the Huan Zhou areas 42 of coating member 40, can avoid what is sent by the side of light guide plate 30
The reflected layer 50 of light reflects and from being laterally again introduced into light guide plate 30, impact the internal reflection effect of light guide plate 30 or
The problem of brightness disproportionation.
As shown in figure 3, it is the sectional view of another embodiment of the utility model illuminated keyboard, the present embodiment is with above-mentioned Fig. 2's
The difference of embodiment is that the structure of coating member is different, and the coating member 40A of the present embodiment includes shielding layer for a pair of Rotating fields
43 with hyaline layer 44, wherein, hyaline layer 44 can be transparent sheet made of plastic material, and shielding layer 43 can be dark oil layer of ink
(such as black, coffee color or brown ink) is printed in the inner surface of hyaline layer 44 or shielding layer 43 can be dark colored plastic piece
And it can pass through the inner surface that the modes such as adhesion, hot melt, attaching are fixed on hyaline layer 44.Furthermore, in coating member 40A
Centre area 41 and Huan Zhou areas 42, the inner surface of hyaline layer 44 are all provided with shielding layer 43, for example, coating member 40A's is overall by plastics
Transparent sheet made of material and its inner surface printing dark oil layer of ink are formed.On the other hand, reflecting layer 50 is positioned at leaded light
Between the bottom surface 32 of plate 30 and shielding layer 43.Thereby, the bottom surface 32 of light guide plate 30 can be shielded from layer 43 with surrounding and cover, and reach
To the function and purpose for avoiding light leak.In one embodiment, shielding layer 43 can be also located on the outer surface of hyaline layer 44, this implementation
Example is not limited to.
As shown in figure 4, it is the sectional view of the another embodiment of the utility model illuminated keyboard, the present embodiment is with above-mentioned Fig. 3's
The difference of embodiment is that the position that shielding layer is set is different.Embodiment as shown in Figure 4, only the Huan Zhou areas in coating member 40B
42, the inner surface of hyaline layer 44 is provided with shielding layer 43A；And do not set in coating member 40B central area 41, the inner surface of hyaline layer 44
There is shielding layer 43A.Wherein, hyaline layer 44 can be transparent sheet made of plastic material；Shielding layer 43A can be dark oil layer of ink
(such as black, coffee color or brown ink) (such as is printed in the interior table of hyaline layer 44 located at coating member 40B Huan Zhou areas 42
Face), or, shielding layer 43A can be dark colored plastic piece located at coating member 40B Huan Zhou areas 42 (such as can pass through adhesion, hot melt,
The modes such as attaching are fixed on coating member 40B inner surface).Thereby, the light that light guide plate 30 is sent towards bottom can be reflected
Layer 50 reflects, and light guide plate 30 can be shielded from a layer 43A maskings towards the light that surrounding is sent, to avoid light leak.In an embodiment
In, shielding layer 43A inside edge can be connected with the outer ledge in reflecting layer 50, to avoid light by shielding layer 43A and reflection
Gap light leak between layer 50.
For another example shown in Fig. 2, Fig. 3 and Fig. 4, in the various embodiments described above, the lower surface 12 of substrate 10 can be further provided with a shading
Layer 15, wherein light shield layer 15 can be that dark colored plastic layer (such as black, coffee color or brown plastic layer) or dark oil layer of ink are (such as black
Color, coffee color or brown ink layer), and light shield layer 15 includes multiple transmittance sections 151, and wherein transmittance section 151 can be open-work, thoroughly
Area pellucida block or translucent block.Each transmittance section 151 is pointed to the loophole 14 of substrate 10 respectively, and thereby, light guide plate 30 is sent
Light can pass through transmittance section 151 and loophole 14 to be irradiated in button 20, in addition, light guide plate 30 is irradiated under substrate 10
The light on surface 12 can be covered by light shield layer 15 and avoid other holes or gap light leak from substrate 10, to improve luminous effect
Benefit.In one embodiment, coating member 40,40A, 40B Huan Zhou areas 42 can be fixed in light shield layer 15 and be indirectly coupled to substrate 10
Lower surface 12.
In certain embodiments, light shield layer 15 can pass through the following table that the modes such as cementation, hot melt or attaching are fixed on substrate 10
Face 12.As shown in Fig. 2 in the present embodiment, substrate 10 may include cementation layer 13, cementation layer 13 is adhered to light shield layer 15 and substrate
Between 10 lower surface 12, light shield layer 15 is set to be fixed to one another with substrate 10.In certain embodiments, cementation layer 13 can be dark viscous
Glue-line (such as black, coffee color or brown adhesive-layer), to avoid the light that light guide plate 30 is sent from light shield layer 15 and substrate 10
Between seam crossing light leak.
To sum up, the illuminated keyboard of the utility model embodiment is covered in light guide plate through coating member, can avoid by light guide plate
The light that side and lower section are sent escapes from the gap of keyboard periphery and bottom, and the light that light guide plate is sent downwards can be via anti-
Penetrating layer, reflection is projected with concentrating towards button upwards, is reached and is improved luminous benefit.In addition, it is located at the bottom of light guide plate by reflecting layer
In the range of the upright projection in face, the reflected layer reflection of the light that can avoid being sent by light guide plate side and from being laterally again introduced into
In light guide plate, the problem of impacting light guide plate internal reflection effect or brightness disproportionation.
Although technology contents of the present utility model are disclosed above with preferred embodiment, so it is not limited to this reality
With new, any those skilled in the relevant technical field, do not depart from spirit of the present utility model make a little change with
Retouching, should all be covered by category of the present utility model, therefore the scope of protection of the utility model ought regard appended claims
Protection domain institute defender be defined.
Claims (10)
- A kind of 1. illuminated keyboard, it is characterised in that including：One substrate, including a upper surface and a lower surface；Multiple buttons, it is arranged at the upper surface of the substrate；One light guide plate, below the substrate and including a relative top surface and a bottom surface, the top surface towards the substrate this under Surface；One coating member, below the substrate, wherein there is the coating member central area and a Huan Zhou areas, the central area correspondingly to cover The bottom surface of the light guide plate is covered, the Huan Zhou areas are surrounded on the outer shroud week of the central area and are arranged at the lower surface of the substrate, make The central area forms a closing space with the Huan Zhou areas, and the light guide plate is placed in the closing space；AndOne reflecting layer, it is arranged between the bottom surface of the light guide plate and the central area of the coating member, and the reflecting layer is positioned at this In the range of the upright projection of the bottom surface of light guide plate.
- 2. illuminated keyboard as claimed in claim 1, it is characterised in that the coating member is a dark diaphragm.
- 3. illuminated keyboard as claimed in claim 1, it is characterised in that the coating member is a pair of Rotating fields, including a shielding layer And a hyaline layer, and all it is provided with the shielding layer in the Huan Zhou areas of the coating member and the central area, the inner surface of the hyaline layer.
- 4. illuminated keyboard as claimed in claim 1, it is characterised in that the coating member is a pair of Rotating fields, including a shielding layer And a hyaline layer, and only it is provided with the shielding layer in the Huan Zhou areas of the coating member, the inner surface of the hyaline layer.
- 5. the illuminated keyboard as described in claim 3 or 4, it is characterised in that the shielding layer is a dark oil layer of ink.
- 6. illuminated keyboard as claimed in claim 1, it is characterised in that the Huan Zhou areas of the coating member have a following layer, should Huan Zhou areas are with the following layer then in the lower surface of the substrate.
- 7. illuminated keyboard as claimed in claim 6, it is characterised in that the following layer is a dark glue-line.
- 8. illuminated keyboard as claimed in claim 1, it is characterised in that the reflecting layer is a reflective ink layer, a reflective membrane, one Reflective sheeting or a reflector.
- 9. illuminated keyboard as claimed in claim 1, it is characterised in that the lower surface of the substrate is further provided with a light shield layer, should The Huan Zhou areas of coating member are fixed in the light shield layer.
- 10. illuminated keyboard as claimed in claim 9, it is characterised in that the substrate further includes a cementation layer, cementation layer adhesion Between the light shield layer and the lower surface of the substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875702.3U CN206931520U (en) | 2017-07-19 | 2017-07-19 | Illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720875702.3U CN206931520U (en) | 2017-07-19 | 2017-07-19 | Illuminated keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206931520U true CN206931520U (en) | 2018-01-26 |
Family
ID=61355244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720875702.3U Active CN206931520U (en) | 2017-07-19 | 2017-07-19 | Illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206931520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11520101B2 (en) | 2021-01-29 | 2022-12-06 | Darfon Electronics Corp. | Luminous keyboard and optical module thereof |
-
2017
- 2017-07-19 CN CN201720875702.3U patent/CN206931520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11520101B2 (en) | 2021-01-29 | 2022-12-06 | Darfon Electronics Corp. | Luminous keyboard and optical module thereof |
| US11852861B2 (en) | 2021-01-29 | 2023-12-26 | Darfon Electronics Corp. | Luminous keyboard and optical module thereof |
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