CN105914074A - Light-emitting keyboard, backlight module and assembly method thereof - Google Patents
Light-emitting keyboard, backlight module and assembly method thereof Download PDFInfo
- Publication number
- CN105914074A CN105914074A CN201610321713.7A CN201610321713A CN105914074A CN 105914074 A CN105914074 A CN 105914074A CN 201610321713 A CN201610321713 A CN 201610321713A CN 105914074 A CN105914074 A CN 105914074A
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- China
- Prior art keywords
- guide plate
- gauffer
- light guide
- reflection
- light
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Classifications
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V13/00—Producing particular characteristics or distribution of the light emitted by means of a combination of elements specified in two or more of main groups F21V1/00 - F21V11/00
- F21V13/02—Combinations of only two kinds of elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Planar Illumination Modules (AREA)
Abstract
The invention relates to a light-emitting keyboard, a backlight module and an assembly method thereof. The light-emitting keyboard comprises a base plate, a light shield layer and a light guide plate, wherein the light shield layer is arranged between the base plate and the light guide plate, the periphery of the light shield layer is provided with reflective corrugations protruding downwardly and extending around the outer edge side surface of the light guide plate, and the reflective corrugations are used for reflecting light rays emitted from the outer edge side surface of the light guide plate back to the light guide plate. The backlight module is the at least one reflective corrugation formed by the light shield layer kept away from position of the light guide plate, is used for reflecting the light rays emitted from the outer edge side surface of the light guide plate back to the light guide plate, can avoid pointless escaping of the light rays of the light guide plate from the side edges, and makes light emitting effect of the light-emitting keyboard in line with expectations.
Description
The application is filing date on May 27th, 2015, Application No. 201510279073.3, invention entitled
The divisional application of the application for a patent for invention of " method for assembling of illuminated keyboard, backlight module and backlight module ".
Technical field
The present invention relates to the method for assembling of a kind of illuminated keyboard, backlight module and backlight module, in details of the words,
The present invention about a kind of illuminated keyboard that can solve at the illuminated keyboard of side improper position luminescence problem, the back of the body
Light module and the method for assembling of backlight module.
Background technology
Keyboard is that computer uses upper indispensable accessory, and the operation of keyboard is often subject to use light in environment
The impact of intensity, when keyboard is in the dim environment operation that light intensity is more weak, user possibly cannot be seen clearly
The distinguished symbol that on keyboard, every button is indicated, and allow user that the operation of keyboard to be encountered difficulties.
Therefore, then having the design of illuminated keyboard, inside is to have light source, and utilizes light guide plate to guide as light
Medium, allows the light of light source be totally reflected in light guide plate and to penetrate, and is positioned at light guide plate upper front with order
A plurality of keycaps luminous, use in dim operating environment, light highlights the distinguished symbol of those keycaps.
So, when light is totally reflected in light guide plate, it is possible to be directed into the side of light guide plate and penetrate, making
Illuminated keyboard side periphery is non-belongs to the unexpected halation of position appearance that keycap is arranged, and so, can make to send out
The improper position of light keyboard is luminous and affects aesthetic property, the most also can cause meaningless at side of light
Loss so that on illuminated keyboard, the illumination effect of keycap cannot meet expection.
Therefore how to reduce illuminated keyboard side periphery unexpected halation occurs, check and regulate promoting light key
The illumination effect of body, desires most ardently, for present industry, the technology subject under discussion that challenge overcomes then.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of illuminated keyboard, including: base plate, light guide plate, light
Source, reflecting layer and light shield layer.This light guide plate is arranged at the lower section of this base plate, this light guide plate have incidence surface,
Plate bottom surface and a plurality of plate outer rim sides；This light source is used for emitting beam, and this light is entered by this incidence surface should
In light guide plate, then transmit in this light guide plate；This reflecting layer is arranged at the lower section of this light guide plate, with will be from
The light that this plate bottom surface is left is reflected back this light guide plate；This light shield layer is arranged between this base plate and this light guide plate,
This light shield layer is formed with the first reflection gauffer extended down, this plate outer edge side in the position avoiding this light guide plate
The projection that at least part of region in face is gone up in the horizontal direction fall within this first reflection gauffer on, with by this first
The light left from this plate outer rim side is reflected back this light guide plate by reflection gauffer；All causes of this light guide plate should
A plurality of plate outer rim side surroundings are constituted, and the inside of this light guide plate has holes, and this incidence surface is positioned at this
The wall surface of the hole of holes, this first reflection gauffer prolongs along the circular path closed around these a plurality of plate outer rim sides
Stretch；Or, these a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface, should around being constituted
First reflection gauffer avoids this incidence surface, and this first reflection gauffer is multiple around this along untight circular path
Several plate outer rim sides extend, and wherein, this circular path is L-shaped path or U-shaped path.
The present invention also proposes a kind of backlight module, for having the illuminated keyboard of at least one keycap setting area, with
Thering is provided backlight to this keycap setting area of this illuminated keyboard, this backlight module includes: light guide plate, light shield layer with
And reflecting layer.The light that this light-guide plate guides is received transmits, to provide backlight to this keycap setting area,
This light guide plate has incidence surface and a plurality of plate outer rim sides；This light shield layer is arranged at the top of this light guide plate；
This reflecting layer is arranged at the lower section of this light guide plate, to be reflected back leaving, from this light guide plate, the light transmitted down
This light guide plate；This reflecting layer is combined with the end of this light shield layer, and is formed and this light guide plate is contained in it
In receiving space, this light shield layer is avoided the position of this light guide plate in this receiving space, is formed towards this
The first reflection gauffer that reflecting layer extends, will leave towards this anti-from this light guide plate by this first reflection gauffer
The light of junction, the end transmission penetrating layer and this light shield layer is reflected back this light guide plate；Wherein, this light guide plate
All these a plurality of plate outer rim side surroundings of cause are constituted, and the inside of this light guide plate has holes, and this enters light
Face is positioned at the wall surface of the hole of this holes, this first reflection gauffer along close circular path outside these a plurality of plates
Edge side extends；Or, these a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface are around institute
Constituting, this first reflection gauffer avoids this incidence surface, and this first reflection gauffer is along untight round
Footpath extends around these a plurality of plate outer rim sides, and wherein, this circular path is L-shaped path or U-shaped path.
As optional technical scheme, it is first anti-with this that this light guide plate is avoided in this reflecting layer in this receiving space
Penetrating the position of gauffer, be formed with the second reflection gauffer extended towards this light shield layer, this second reflection gauffer is used
To be reflected back this by leaving the light towards this reflecting layer with junction, the end transmission of this light shield layer from this light guide plate
Light guide plate.
As optional technical scheme, this first reflection bumpy torus extends around the end of this light shield layer, and this is the years old
The path shape that one reflection gauffer is extended constitutes rectangular shape.
As optional technical scheme, extension path of this first reflection gauffer have the first linear edge, the
Two linear edges and arcuation edge, the direction that this first linear edge is orthogonal with this second linear edge towards each other
Extending, this arcuation edge is used for connecting this first linear edge and this second linear edge.
As optional technical scheme, this first reflection gauffer in continuously or discontinuously mode around this light shield layer
End and extend.
As optional technical scheme, the region extended for this first reflection gauffer in this receiving space has three
Dihedral or trapezoidal section.
As optional technical scheme, this first reflection gauffer has the section of U-shaped or V-shaped.
Additionally, the present invention also proposes the method for assembling of a kind of backlight module, comprise the following steps: leaded light is provided
Plate, this light guide plate has incidence surface and a plurality of plate outer rim sides；Thering is provided light shield layer, this light shield layer is in neighbouring
The position of end is formed down the first reflection gauffer；Reflecting layer is provided；By this light shield layer with this reflecting layer respectively
Gluing in upper and lower two surfaces of this light guide plate；And the end of this light shield layer with this reflecting layer is passed through
Adhesive means combines, and forms receiving space, makes this light guide plate be contained in this receiving space, and makes this screening
First reflection gauffer of photosphere is positioned at the position avoiding this light guide plate in this receiving space；Wherein, this light guide plate
These a plurality of plate outer rim side surroundings of all causes constituted, and the inside of this light guide plate has holes, and this enters
Bright finish is positioned at the wall surface of the hole of this holes, this first reflection gauffer along close circular path around these a plurality of plates
Outer rim side extends；Or, these a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface cincture
Being constituted, this first reflection gauffer avoids this incidence surface, and this first reflection gauffer is along untight annular
Path extends around these a plurality of plate outer rim sides, and wherein, this circular path is L-shaped path or U-shaped path.
As optional technical scheme, this reflecting layer, in the position of adjacent end, is formed with the second reflection gauffer,
This second reflection gauffer making this reflecting layer is positioned in this receiving space avoids this light guide plate and this first reflection wrinkle
The position of pleat.
As optional technical scheme, this first reflection gauffer is that the mode through raising or bending is formed；Or
Person, this second reflection gauffer is that the mode through raising or bending is formed.
Additionally, the present invention also proposes a kind of illuminated keyboard, including: a plurality of keycaps, base plate, light guide plate,
Light source light shield layer and reflecting layer.This base plate has base plate side and keycap setting area, and these a plurality of keycaps set
Put on this keycap setting area；This light guide plate extends the lower section of this keycap setting area, this light guide plate have into
Bright finish, plate bottom surface and a plurality of plate outer rim sides, beyond the region of this plate outer rim side below this base plate side
For treating lightproof area；This light source emits beam towards this light guide plate, and this light is entered this light guide plate by this incidence surface
In and transmit in this light guide plate, and arrive the lower section of this keycap setting area；This light shield layer is arranged at this base plate
And between this light guide plate, this light shield layer has downward projection of first reflection gauffer, this first reflection gauffer position
Treating lightproof area in this, and this first reflection gauffer extends around this plate outer rim side, this plate outer rim side is extremely
The projection that small part region is gone up in the horizontal direction falls within this first reflection gauffer, with by this first reflection wrinkle
The light left from this plate outer rim side is reflected back this light guide plate by pleat；This reflecting layer is arranged at this light guide plate
Lower section, to be reflected back this light guide plate by the light left from this plate bottom surface；Wherein, all causes of this light guide plate
These a plurality of plate outer rim side surroundings are constituted, and the inside of this light guide plate has holes, and this incidence surface is positioned at
The wall surface of the hole of this holes, this first reflection gauffer along close circular path around these a plurality of plate outer rim sides
Extend；Or, these a plurality of plate outer rim sides of all causes of this light guide plate and the cincture of this incidence surface are constituted,
This first reflection gauffer avoids this incidence surface, and this first reflection gauffer along untight circular path around this
A plurality of plate outer rim sides extend, and wherein, this circular path is L-shaped path or U-shaped path.
As optional technical scheme, the horizontal-extending length of this first reflection gauffer is more than this plate outer rim side
Horizontal-extending length.
As optional technical scheme, the height that extends vertically of this first reflection gauffer is more than this plate outer rim side
Extend vertically the half of height.
As optional technical scheme, this base plate also has a plurality of base plate side, these a plurality of base plate sides
Extend around this keycap setting area, and lightproof area constitutes annular section to make this treat, this first reflection gauffer
Extend in this treats lightproof area along cyclic path.
As optional technical scheme, this reflecting layer is combined with the end of this light shield layer, and is formed this
The receiving space that light guide plate is accommodated therein, this first reflection gauffer is positioned in this receiving space.
As optional technical scheme, this reflecting layer has the second reflection gauffer, and this second reflection gauffer is in this
Treat lightproof area projects upwards, and this second reflection gauffer separates and outside this plate with this first reflection gauffer
Edge side extends.
As optional technical scheme, this first reflection gauffer is total with the height dimension of this second reflection gauffer
Height dimension with the plate outer rim side more than this light guide plate.
As optional technical scheme, this light shield layer has also been downwardly projected the 3rd reflection gauffer, the 3rd reflection
Gauffer is positioned at this and treats lightproof area, and the 3rd reflection gauffer separates and outside this plate with this first reflection gauffer
Edge side extends.
Compared to prior art, the backlight module of illuminated keyboard of the present invention, on light shield layer, avoid light guide plate
Position, forms the reflection gauffer that orienting reflex layer extends, with by towards the reflecting layer of illuminated keyboard side and shading
The light of layer junction, end transmission is reflected back light guide plate, and the luminous energy of illuminated keyboard can be avoided to escape at side,
The illumination effect of keycap on illuminated keyboard is made to meet expection.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as to the present invention's
Limit.
Accompanying drawing explanation
Fig. 1 is the top view of first embodiment of the invention illuminated keyboard；
Fig. 2 is the exploded view of illuminated keyboard shown in Fig. 1；
Fig. 3 is the top view of second embodiment of the invention illuminated keyboard；
Fig. 4 is the top view of third embodiment of the invention illuminated keyboard；
Fig. 5 is the exploded view of illuminated keyboard shown in Fig. 4；
Fig. 6 is the sectional view that illuminated keyboard of the present invention first implements aspect；
Fig. 7 is the enlarged drawing of a-quadrant shown in Fig. 6；
Fig. 8 is the sectional view that illuminated keyboard of the present invention second implements aspect；
Fig. 9 is the enlarged drawing in B region shown in Fig. 8；
Figure 10 is the sectional view that illuminated keyboard the 3rd of the present invention implements aspect；
Figure 11 is the enlarged drawing in C region shown in Figure 10；
Figure 12 is the flow chart of steps of backlight module method for assembling of the present invention.
Detailed description of the invention
Herein below will be arranged in pairs or groups graphic, and the technology contents of the present invention is described by particular specific embodiment, ripe
The personage knowing this technology can be understood other advantages and the merit of the present invention easily by content disclosed in the present specification
Effect.The present invention also can be implemented by other different specific embodiments or be applied.Each in this specification
Details also can be based on different viewpoints and application, under the spirit without departing substantially from the present invention, carry out various modification with
Change.Especially, in graphic, proportionate relationship and the position relatively of each element only has exemplary use, and
The non-actual state representing present invention enforcement.
For the enforcement feature description of illuminated keyboard of the present invention, refer to Fig. 1 to Figure 12.Such as Fig. 1 and Fig. 2
Shown embodiment, illuminated keyboard 1 has base plate 11, backlight module 13 and a plurality of keycaps 14.Base plate
11 definition have at least one keycap setting area 111 and base plate side 112, and a plurality of keycap 14 is laid in keycap
On setting area 111.
Described backlight module 13 has light source 135, light guide plate 131, light shield layer 132 and reflecting layer 133.
Light guide plate 131 is arranged at the lower section of the keycap setting area 111 of base plate 11, and light guide plate 131 has incidence surface
1315, plate bottom surface 1311 and at least one plate outer rim side 1312, and plate outer rim side 1312 is positioned at base plate 11
In covering scope below base plate side 112.Beyond light guide plate 131 below the base plate side 112 of base plate 11
The scope definable of plate outer rim side 1312 go out to treat lightproof area 16.
Light source 135 can emit beam towards light guide plate 131.Light guide plate 131 can receive the light of light source 135,
And guide received light to transmit towards a distant place, the light of transmission can be made to enter upwardly through light shield layer 132
Keycap setting area 111, to provide backlight to keycap setting area 111, and illuminates and is laid in keycap setting area 111
A plurality of keycaps 14, and then light highlights the distinguished symbol on a plurality of keycap 14.
It is said that in general, reflecting layer 133 is arranged at the lower section of light guide plate 131, will leave from plate bottom surface 1311
Light towards the direction transmission deviating from light shield layer 132 is reflected back light guide plate 131, and light shield layer 132 is arranged at the end
Between plate 11 and light guide plate 131.The end of reflecting layer 133 and both light shield layers 132 can be in conjunction with, and can shape
The receiving space 15 that light guide plate 131 can be accommodated therein by one-tenth.
Enforcement aspect as shown in Figures 6 and 7, light shield layer 132 has downward projection of first reflection gauffer
1321.First reflection gauffer 1321 has approximation " V " font or the section of " U " font, but is not limited,
The section configuration of the first reflection gauffer 1321, still can be according to the Technology forming the first reflection gauffer 1321
And be changed.
First reflection gauffer 1321 is positioned at and treats in lightproof area 16, and is positioned in receiving space 15 and avoids leaded light
The position of plate 131, and adjacent with the plate outer rim side 1312 of light guide plate 131, also can be as shown in Figure 1 around leading
The plate outer rim side 1311 of tabula rasa 131 extends.In the present invention, accommodate space 15 mainly in order to accommodate
Light guide plate 131, the segment space accommodating space 15 tail end is not taken by light guide plate 131, and can be used to for the
One reflection gauffer 1321 extends wherein, and the section configuration of the segment space of this tail end is optional is similar to triangle
Shape or trapezoidal section configuration, use the receiving space providing enough, and guarantee the first reflection gauffer 1321 energy
The most successfully extend.
First reflection gauffer 1321 can will leave from plate outer rim side 1312 and towards reflecting layer 133 and light shield layer
The some light of 132 junction, end transmission is reflected back light guide plate 131.In detail, plate outer rim side 1312
There is subregion and floor projection can reflect gauffer 1321 in first, or referred to as plate outer rim side 1312 is at least
The projection that subregion is gone up in the horizontal direction falls within the first reflection gauffer 1321, with by the first reflection gauffer
1321, the light left from plate outer rim side 1312 is reflected back light guide plate 131, to avoid light by reflecting
Layer 133 and the junction loss of light shield layer 132 end, and then promote keycap setting area 111 on illuminated keyboard 1
Luminous intensity.
In embodiment as shown in Figure 5, all causes a plurality of plate outer rim side 1312 cincture of light guide plate 131
Being constituted, and the inside of light guide plate 131 has holes 1313, incidence surface 1315 is positioned at the hole of holes 1313
Wall, light source 135 is arranged in the holes 1313 of light guide plate 131, and away from plate outer rim side 1312.Multiple
Several base plate sides 1312 extend around keycap setting area, and make to treat that lightproof area 16 constitutes annular section,
First reflects gauffer 1321 along cyclic path in treating extension in lightproof area 16.
In embodiment as depicted in figs. 1 and 2, all causes a plurality of plate outer rim side 1312 of light guide plate 131
With incidence surface 1315 around being constituted.First reflection gauffer 1321 avoids incidence surface 1315, and around a plurality of
Plate outer rim side 1312 extends, and so, the first reflection gauffer 1321 is along the untight circular path of essence
Extending, wherein, circular path can be L-shaped path or U-shaped path.
First reflection gauffer 1321 extends, such as Fig. 1, Fig. 3 to Fig. 4 institute around the end of light shield layer 132
Showing, the path that the first reflection gauffer 1321 is extended includes first linear edge the 13211, second straight line
Edge 13212 and arcuation edge 13213.First linear edge 13211 and the second linear edge 13212 towards each other
Orthogonal direction extends, and arcuation edge 13213 is for connecting the first linear edge 13211 and the second straight line
Edge 13212.
In order to be able to reflect the more light from the injection of plate outer rim side 1312, the first reflection gauffer 1321 is optional
Select in a continuous manner (as shown in Figure 1) or discontinuous mode (as shown in Figure 3), around light shield layer 132
End and extend.As it is shown in figure 1, the horizontal-extending length of the first reflection gauffer 1321 is optional more than leaded light
The horizontal-extending length of the plate outer rim side 1312 of plate 131.As it is shown in fig. 7, the first reflection gauffer 1321
Extend vertically height D1 may select more than the plate outer rim side 1312 of light guide plate 131 extend vertically height D2
Half.
Enforcement aspect as shown in Figure 10 Yu Figure 11, light shield layer 132 avoids light guide plate in receiving space 15
131 and first positions reflecting gauffer 1321, have more been downwardly projected the 3rd reflection gauffer 1322.3rd reflection
Gauffer 1322 is positioned at treats lightproof area 16, and separates with the first reflection gauffer 1321, and around light guide plate 131
Plate outer rim side 1312 extend, can arrange in pairs or groups with the first reflection gauffer 1321, and can be from plate outer edge side
The light portion of face 1312 injection reflects back in light guide plate 131.It is preferred that the 3rd reflection gauffer 1322
Path along parallel first linear edge the 13211, second linear edge 13212 with arcuation edge 13213 is prolonged
Stretch, therefore the 3rd reflection gauffer 1322 also can extend along cyclic path, L-shaped path or U-shaped path.
It addition, the enforcement aspect as shown in Fig. 8 Yu Fig. 9, reflecting layer 133 is avoided leading in receiving space 15
Tabula rasa 131 and the position of the first reflection gauffer 1321, form the second reflection wrinkle extended towards light shield layer 132
Pleat 1331.Second reflection gauffer 1331 projects upwards in lightproof area 16 in treating, and with the first reflection gauffer
1321 separate, and adjacent with the plate outer rim side 1312 of light guide plate 131, and winding board outer rim side 1312 is prolonged
Stretch, can arrange in pairs or groups with the first reflection gauffer 1321, will leave towards reflecting layer 133 from plate outer rim side 1312
It is reflected back light guide plate 131 with the light of junction, light shield layer 132 end transmission.It is preferred that the second reflection gauffer
1331 along parallel first linear edge the 13211, second linear edge 13212 and arcuation edge 13213
Path extends, therefore the second reflection gauffer 1331 also can be along cyclic path, L-shaped path or U-shaped path
Extend.
Optionally, the first reflection gauffer 1321 reflects the total of gauffer 1331 extended height size with second
Size with plate outer rim side 1312 extended height more than light guide plate 131.
The method for assembling of the invention described above backlight module 13, can illustrate with the flow chart shown in Figure 12:
First, in step S1, step S2 with step S3, provide light guide plate, light shield layer and reflecting layer respectively,
Wherein, light shield layer, in the position of adjacent end, is formed down the first reflection gauffer through raising or bending mode.
Then, in step s 4, by the most gluing to the light shield layer provided and reflecting layer in the light guide plate provided
Upper and lower two surfaces.Then, the end of the light shield layer provided with reflecting layer is tied through adhesive means
Close, and formed and can accommodate light guide plate in receiving space therein so that the first reflection gauffer of light shield layer is positioned at
Accommodate the position avoiding light guide plate in space.
In step S3, reflecting layer may select with raising or bending mode, avoids light guide plate in accommodating in space
With the first reflection gauffer and position of adjacent end, it is upwardly formed the second reflection gauffer.
In sum, illuminated keyboard provided by the present invention has base plate and backlight module.Backlight module has
Having light shield layer and light guide plate, light shield layer is arranged between base plate and light guide plate, and light shield layer periphery avoids light guide plate
Position, have be downwardly projected and around this light guide plate outer rim side extend reflection gauffer, with by this reflection
Gauffer, is reflected back this light guide plate by the light sent from this light guide plate outer rim side, to avoid the light of light guide plate
Line is escaped by side is meaningless so that the illumination effect of illuminated keyboard meets expection.
Certainly, the present invention also can have other various embodiments, without departing substantially from present invention spirit and the feelings of essence thereof
Under condition, those of ordinary skill in the art can make various corresponding change and deformation according to the present invention, but this
A little corresponding changes and deformation all should belong to the protection domain of appended claims of the invention.
Claims (19)
1. an illuminated keyboard, it is characterised in that including:
Base plate；
Light guide plate, this light guide plate is arranged at the lower section of this base plate, this light guide plate have incidence surface, plate bottom surface with
A plurality of plate outer rim sides；
Light source, this light source is used for emitting beam, and this light is entered in this light guide plate by this incidence surface, then exists
This light guide plate transmits；
Reflecting layer, this reflecting layer is arranged at the lower section of this light guide plate, anti-with the light that will leave from this plate bottom surface
It is emitted back towards this light guide plate；And
Light shield layer, this light shield layer is arranged between this base plate and this light guide plate, and this light shield layer is in avoiding this leaded light
The position of plate is formed with the first reflection gauffer extended down, at least part of region Yan Shui of this plate outer rim side
Projection square upwards falls within this first reflection gauffer, with will be from this plate outer rim by this first reflection gauffer
The light that side is left is reflected back this light guide plate；
Wherein, these a plurality of plate outer rim side surroundings of all causes of this light guide plate are constituted, and this light guide plate
Inside has holes, and this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer is along the ring closed
Shape path extends around these a plurality of plate outer rim sides；Or
These a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface are around being constituted, and this is first anti-
Penetrate gauffer and avoid this incidence surface, and this first reflection gauffer along untight circular path around these a plurality of plates
Outer rim side extends, and wherein, this circular path is L-shaped path or U-shaped path.
2. a backlight module, for having the illuminated keyboard of at least one keycap setting area, with to this light key
This keycap setting area of dish provides backlight, it is characterised in that this backlight module includes:
Light guide plate, the light that this light-guide plate guides is received transmits, to provide the back of the body to this keycap setting area
Light, this light guide plate has incidence surface and a plurality of plate outer rim sides；
Light shield layer, this light shield layer is arranged at the top of this light guide plate；And
Reflecting layer, this reflecting layer is arranged at the lower section of this light guide plate, transmits down will leave from this light guide plate
Light be reflected back this light guide plate；Wherein,
This reflecting layer is combined with the end of this light shield layer, and forms the appearance being accommodated therein by this light guide plate
Receiving space, this light shield layer is avoided the position of this light guide plate in this receiving space, is formed towards this reflecting layer
Extend first reflection gauffer, with by this first reflection gauffer will from this light guide plate leave towards this reflecting layer with
The light of junction, the end transmission of this light shield layer is reflected back this light guide plate；
Wherein, these a plurality of plate outer rim side surroundings of all causes of this light guide plate are constituted, and this light guide plate
Inside has holes, and this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer is along the ring closed
Shape path extends around these a plurality of plate outer rim sides；Or
These a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface are around being constituted, and this is first anti-
Penetrate gauffer and avoid this incidence surface, and this first reflection gauffer along untight circular path around these a plurality of plates
Outer rim side extends, and wherein, this circular path is L-shaped path or U-shaped path.
Backlight module the most according to claim 2, it is characterised in that: this reflecting layer is in this receiving space
In avoid the position of this light guide plate and this first reflection gauffer, be formed towards this light shield layer extend second anti-
Penetrating gauffer, this second reflection gauffer in order to will leave the end towards this reflecting layer Yu this light shield layer from this light guide plate
The light of junction transmission is reflected back this light guide plate.
Backlight module the most according to claim 2, it is characterised in that: this first reflection bumpy torus is around this
The end of light shield layer and extend, the path shape that this first reflection gauffer is extended constitutes rectangular shape.
Backlight module the most according to claim 4, it is characterised in that: the extension of this first reflection gauffer
Path has the first linear edge, the second linear edge and an arcuation edge, this first linear edge with this second
The orthogonal direction of linear edge towards each other extends, this arcuation edge be used for connecting this first linear edge with this
Two linear edges.
Backlight module the most according to claim 4, it is characterised in that: this first reflection gauffer is with continuously
Or discontinuous mode extends around the end of this light shield layer.
Backlight module the most according to claim 2, it is characterised in that: in this receiving space for this first
The region that reflection gauffer extends has triangle or trapezoidal section.
Backlight module the most according to claim 2, it is characterised in that: this first reflection gauffer has U
Font or the section of V-shaped.
9. the method for assembling of a backlight module, it is characterised in that comprise the following steps:
Thering is provided light guide plate, this light guide plate has incidence surface and a plurality of plate outer rim sides；
Thering is provided light shield layer, this light shield layer is formed down the first reflection gauffer in the position of adjacent end；
Reflecting layer is provided；
By the most gluing in upper and lower two surfaces of this light guide plate to this light shield layer and this reflecting layer；And
This light shield layer is combined through adhesive means with the end in this reflecting layer, and forms receiving space,
Make this light guide plate be contained in this receiving space, and it is empty to make the first reflection gauffer of this light shield layer be positioned at this receiving
The position of this light guide plate is avoided between；
Wherein, these a plurality of plate outer rim side surroundings of all causes of this light guide plate are constituted, and this light guide plate
Inside has holes, and this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer is along the ring closed
Shape path extends around these a plurality of plate outer rim sides；Or
These a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface are around being constituted, and this is first anti-
Penetrate gauffer and avoid this incidence surface, and this first reflection gauffer along untight circular path around these a plurality of plates
Outer rim side extends, and wherein, this circular path is L-shaped path or U-shaped path.
The method for assembling of backlight module the most according to claim 9, it is characterised in that: this reflecting layer
In the position of adjacent end, it is formed with the second reflection gauffer, makes this second reflection gauffer in this reflecting layer be positioned at
This receiving space is avoided the position of this light guide plate and this first reflection gauffer.
The method for assembling of 11. backlight modules according to claim 10, it is characterised in that: this is first anti-
Penetrating gauffer is that the mode through raising or bending is formed；
Or, this second reflection gauffer is that the mode through raising or bending is formed.
12. 1 kinds of illuminated keyboards, it is characterised in that including:
A plurality of keycaps；
Base plate, this base plate has base plate side and keycap setting area, and these a plurality of keycaps are arranged on this keycap and set
Put in district；
Light guide plate, this light guide plate extends the lower section of this keycap setting area, and this light guide plate has incidence surface, plate
Bottom surface and a plurality of plate outer rim sides, exceed the region of this plate outer rim side for treating shading below this base plate side
Region；
Light source, this light source emits beam towards this light guide plate, and this light is entered in this light guide plate also by this incidence surface
Transmit in this light guide plate, and arrive the lower section of this keycap setting area；
Light shield layer, this light shield layer is arranged between this base plate and this light guide plate, and this light shield layer has and is downwardly projected
The first reflection gauffer, this first reflection gauffer is positioned at this and treats lightproof area, and this first reflection gauffer is around this
Plate outer rim side extends, the projection that at least part of region of this plate outer rim side is gone up in the horizontal direction fall within this
On one reflection gauffer, the light left from this plate outer rim side is reflected back this by this first reflection gauffer
Light guide plate；And
Reflecting layer, this reflecting layer is arranged at the lower section of this light guide plate, anti-with the light that will leave from this plate bottom surface
It is emitted back towards this light guide plate；
Wherein, these a plurality of plate outer rim side surroundings of all causes of this light guide plate are constituted, and this light guide plate
Inside has holes, and this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer is along the ring closed
Shape path extends around these a plurality of plate outer rim sides；Or
These a plurality of plate outer rim sides of all causes of this light guide plate and this incidence surface are around being constituted, and this is first anti-
Penetrate gauffer and avoid this incidence surface, and this first reflection gauffer along untight circular path around these a plurality of plates
Outer rim side extends, and wherein, this circular path is L-shaped path or U-shaped path.
13. illuminated keyboards according to claim 12, it is characterised in that: the water of this first reflection gauffer
Flat development length is more than the horizontal-extending length of this plate outer rim side.
14. illuminated keyboards according to claim 12, it is characterised in that: hanging down of this first reflection gauffer
Straight extended height extends vertically the half of height more than this plate outer rim side.
15. illuminated keyboards according to claim 12, it is characterised in that: this base plate also has a plurality of
Base plate side, these a plurality of base plate sides extend around this keycap setting area, and make this treat lightproof area structure
Region circlewise, this first reflection gauffer extends in this treats lightproof area along cyclic path.
16. illuminated keyboards according to claim 12, it is characterised in that: this reflecting layer and this light shield layer
Both ends combine, and form the receiving space being accommodated therein by this light guide plate, this first reflection gauffer
It is positioned in this receiving space.
17. illuminated keyboards according to claim 12, it is characterised in that: it is anti-that this reflecting layer has second
Penetrate gauffer, this second reflection gauffer project upwards in this treats lightproof area, and this second reflection gauffer with should
First reflection gauffer separates and extends around this plate outer rim side.
18. illuminated keyboards according to claim 17, it is characterised in that: this first reflection gauffer with should
The summation of the height dimension of the second reflection gauffer is more than the height dimension of the plate outer rim side of this light guide plate.
19. illuminated keyboards according to claim 12, it is characterised in that: this light shield layer is also downwardly projected
There are the 3rd reflection gauffer, the 3rd reflection gauffer to be positioned at this and treat lightproof area, and the 3rd reflects gauffer and be somebody's turn to do
First reflection gauffer separates and extends around this plate outer rim side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610321713.7A CN105914074A (en) | 2015-05-27 | 2015-05-27 | Light-emitting keyboard, backlight module and assembly method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510279073.3A CN104882319B (en) | 2015-05-27 | 2015-05-27 | The method for assembling of illuminated keyboard, backlight module and backlight module |
| CN201610321713.7A CN105914074A (en) | 2015-05-27 | 2015-05-27 | Light-emitting keyboard, backlight module and assembly method thereof |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279073.3A Division CN104882319B (en) | 2015-05-27 | 2015-05-27 | The method for assembling of illuminated keyboard, backlight module and backlight module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105914074A true CN105914074A (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279073.3A Active CN104882319B (en) | 2015-05-27 | 2015-05-27 | The method for assembling of illuminated keyboard, backlight module and backlight module |
| CN201610321713.7A Pending CN105914074A (en) | 2015-05-27 | 2015-05-27 | Light-emitting keyboard, backlight module and assembly method thereof |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510279073.3A Active CN104882319B (en) | 2015-05-27 | 2015-05-27 | The method for assembling of illuminated keyboard, backlight module and backlight module |
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| Country | Link |
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| CN (2) | CN104882319B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305809A (en) * | 2018-01-25 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205227035U (en) * | 2015-09-29 | 2016-05-11 | 苏州达方电子有限公司 | Backlight module group |
| CN106445257B (en) * | 2016-11-11 | 2023-08-18 | 苏州达方电子有限公司 | Touch control panel |
| CN107180722B (en) * | 2017-06-29 | 2019-05-03 | 苏州达方电子有限公司 | Illuminated keyboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM405596U (en) * | 2011-01-05 | 2011-06-11 | Darfon Electronics Corp | Light keyboard |
| TWM420756U (en) * | 2011-09-09 | 2012-01-11 | Darfon Electronics Corp | Light-emitting keyboard |
| CN103413714A (en) * | 2013-07-30 | 2013-11-27 | 苏州达方电子有限公司 | Cursor control button and luminous keyboard thereof |
| CN203983105U (en) * | 2014-06-16 | 2014-12-03 | 群光电能科技股份有限公司 | The anti-side leakage structure of keyboard back light module |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201946480U (en) * | 2011-01-22 | 2011-08-24 | 苏州达方电子有限公司 | Luminous keyboard |
| CN202258943U (en) * | 2011-08-21 | 2012-05-30 | 苏州达方电子有限公司 | Light-emitting keyboard |
| CN204067139U (en) * | 2014-05-22 | 2014-12-31 | 群光电能科技股份有限公司 | The reflection unit of keyboard back light |
-
2015
- 2015-05-27 CN CN201510279073.3A patent/CN104882319B/en active Active
- 2015-05-27 CN CN201610321713.7A patent/CN105914074A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM405596U (en) * | 2011-01-05 | 2011-06-11 | Darfon Electronics Corp | Light keyboard |
| TWM420756U (en) * | 2011-09-09 | 2012-01-11 | Darfon Electronics Corp | Light-emitting keyboard |
| CN103413714A (en) * | 2013-07-30 | 2013-11-27 | 苏州达方电子有限公司 | Cursor control button and luminous keyboard thereof |
| CN203983105U (en) * | 2014-06-16 | 2014-12-03 | 群光电能科技股份有限公司 | The anti-side leakage structure of keyboard back light module |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305809A (en) * | 2018-01-25 | 2018-07-20 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104882319A (en) | 2015-09-02 |
| CN104882319B (en) | 2016-08-24 |
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