CN104882319A - Illuminant keyboard, backlight module and assemblage method of the backlight module - Google Patents
Illuminant keyboard, backlight module and assemblage method of the backlight module Download PDFInfo
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- CN104882319A CN104882319A CN201510279073.3A CN201510279073A CN104882319A CN 104882319 A CN104882319 A CN 104882319A CN 201510279073 A CN201510279073 A CN 201510279073A CN 104882319 A CN104882319 A CN 104882319A
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- Prior art keywords
- reflection
- gauffer
- guide plate
- light guide
- light
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/06—Reflector
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
Abstract
The invention relates to an illuminant keyboard, a backlight module and an assemblage method of the backlight module. The illuminant keyboard possesses a base plate, a shading layer and a light guide plate. The shading layer is arranged between the base plate and the light guide plate. A periphery of the shading layer possesses reflection ruffles which are extruded downwardly and are extended around a side surface of an outer edge of the light guide plate. Through the reflection ruffles, light emitted from the side surface of the outer edge of the light guide plate is reflected to the light guide plate. The backlight module is located at a position of the shading layer, wherein the position avoids the light guide plate and at least one reflection ruffle is formed so that the light emitted from the side surface of the outer edge of the light guide plate is reflected to the light guide plate. The light of the light guide plate is not lost from the side edge so that a glowing effect of the illuminant keyboard accords with expectation.
Description
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 is about a kind of method for assembling of illuminated keyboard, backlight module and the backlight module that can solve illuminated keyboard luminous problem in the improper position of side.
Background technology
Keyboard is that computer uses upper indispensable accessory, the operation of keyboard is often subject to the impact of light intensity in environment for use, when keyboard is in the dim environment operation that light intensity is more weak, user possibly cannot see the distinguished symbol that on keyboard, every button indicates clearly, and allows the operation of user to keyboard encounter difficulties.
Therefore, then the design of illuminated keyboard is had, inside is have light source, and utilize light guide plate to draw medium as photoconduction, the light of light source is allowed in light guide plate, to carry out total reflection and penetrate, the a plurality of keycaps being positioned at light guide plate upper front with order are luminous, and use in dim operating environment, light highlights the distinguished symbol of those keycaps.So, when light carries out total reflection in light guide plate, likely be directed into the side of light guide plate and penetrate, the non-position belonging to keycap setting of illuminated keyboard side periphery is made to occur unexpected halation, so, the improper position of illuminated keyboard can be made luminous and affect aesthetic property, light in addition also can be caused in the meaningless loss of side, make the illumination effect of keycap on illuminated keyboard to meet expection.
Therefore how to reduce illuminated keyboard side periphery to occur unexpected halation, to promote the illumination effect of illuminated keyboard entirety, then for present industry desires most ardently the technology subject under discussion challenged and overcome.
Summary of the invention
In order to solve the problem, the present invention proposes a kind of illuminated keyboard, comprising: base plate, light guide plate, light source, reflector and light shield layer.This light guide plate is arranged at the below of this base plate, and this light guide plate has incidence surface, plate bottom surface and plate outer rim side; This light source is used for emitting beam, and this light enters in this light guide plate by this incidence surface, then transmits in this light guide plate; This reflector is arranged at the below of this light guide plate, so that the light reflection left from this plate bottom surface is returned 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 down in the position avoiding this light guide plate and the first reflection gauffer extended around this plate outer rim side, the projection that at least part of region of this plate outer rim side is gone up in the horizontal direction falls within this first reflection gauffer, the light reflection left from this plate outer rim side is returned this light guide plate by this first reflection gauffer.
The present invention also proposes a kind of backlight module, and for having the illuminated keyboard of at least one keycap setting area, to provide backlight to this keycap setting area of this illuminated keyboard, this backlight module comprises: light guide plate, light shield layer and reflector.The light that this light-guide plate guides receives transmits, to provide backlight to this keycap setting area; This light shield layer is arranged at the top of this light guide plate; This reflector is arranged at the below of this light guide plate, to return leave from this light guide plate the light reflection transmitted down to this light guide plate; This reflector is combined with the end of this light shield layer, and form the spatial accommodation this light guide plate be accommodated therein, this light shield layer avoids the position of this light guide plate in this spatial accommodation, be formed with the first reflection gauffer extended towards this reflector, to return leave the light reflection transmitted towards the junction, end of this reflector and this light shield layer from this light guide plate to this light guide plate by this first reflection gauffer.
As optional technical scheme, this light guide plate and this first position reflecting gauffer are avoided in this reflector in this spatial accommodation, be formed with the second reflection gauffer extended towards this light shield layer, this second reflection gauffer is in order to return leave the light reflection transmitted towards the junction, end of this reflector and this light shield layer from this light guide plate to this light guide plate.
As optional technical scheme, this first reflection bumpy torus extends around the end of this light shield layer, and the path shape that this first reflection gauffer extends forms the shape of rectangle.
As optional technical scheme, the extension path of this first reflection gauffer has the first linear edge, the second linear edge and arcuation edge, this first linear edge and this second linear edge extend towards mutually orthogonal directions, and this arcuation edge is for connecting this first linear edge and this second linear edge.
As optional technical scheme, this first reflection gauffer extends around the end of this light shield layer in continuous or discontinuous mode.
As optional technical scheme, the region extended for this first reflection gauffer in this spatial accommodation has triangle or trapezoidal section.
As optional technical scheme, this first reflection gauffer has the section of U-shaped or V-shaped.
In addition, the present invention also proposes a kind of method for assembling of backlight module, comprises the following steps: provide light guide plate; There is provided light shield layer, this light shield layer forms the first reflection gauffer downwards in the position of adjacent end; Reflector is provided; This light shield layer and this reflector is gluing in upper and lower two surfaces of this light guide plate respectively; And this light shield layer is combined through adhesive means with the end in this reflector, and form spatial accommodation, make this light guide plate be contained in this spatial accommodation, and make first of this light shield layer the reflection gauffer be arranged in the position that this spatial accommodation avoids this light guide plate.
As optional technical scheme, this reflector, in the position of adjacent end, is formed with the second reflection gauffer, makes this second reflection gauffer in this reflector be arranged in this spatial accommodation and avoids this light guide plate and this first position reflecting gauffer.
As optional technical scheme, this first reflection gauffer is formed through the mode of raising or bending; Or this second reflection gauffer is formed through the mode of raising or bending.
In addition, the present invention also proposes a kind of illuminated keyboard, comprising: a plurality of keycap, base plate, light guide plate, light source light shield layer and reflector.This base plate has base plate side and keycap setting area, and this plurality of keycap is arranged on this keycap setting area; This light guide plate extends the below of this keycap setting area, and this light guide plate has incidence surface, plate bottom surface and plate outer rim side, exceeds the region of this plate outer rim side for treating lightproof area below this base plate side; This light source emits beam towards this light guide plate, and this light to be entered in this light guide plate by this incidence surface and transmits in this light guide plate, and arrives the below of this keycap setting area; This light shield layer is arranged between this base plate and this light guide plate, this light shield layer has the first outstanding reflection gauffer downwards, this the first reflection gauffer is positioned at this and treats lightproof area, and this first reflection gauffer extends around this plate outer rim side, the projection that at least part of region of this plate outer rim side is gone up in the horizontal direction falls within this first reflection gauffer, the light reflection left from this plate outer rim side is returned this light guide plate by this first reflection gauffer; This reflector is arranged at the below of this light guide plate, so that the light reflection left from this plate bottom surface is returned this light guide plate.
As optional technical scheme, the horizontal-extending length of this first reflection gauffer is greater than the horizontal-extending length of this plate outer rim side.
As optional technical scheme, the vertical extended height of this first reflection gauffer is greater than the half of this plate outer rim lateral vertical extended height.
As optional technical scheme, this base plate also has a plurality of base plate side, this a plurality of base plate side extends around this keycap setting area, and lightproof area forms annular section to make this treat, this first reflection gauffer is treated to extend in lightproof area along cyclic path in this.
As optional technical scheme, all causes a plurality of plate outer rim side surrounding of this light guide plate formed, and the inside of this light guide plate has holes, this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer extends along the circular path closed around this plurality of plate outer rim side.
As optional technical scheme, all causes a plurality of plate outer rim side of this light guide plate and this incidence surface are around formed, this the first reflection gauffer avoids this incidence surface, and this first reflection gauffer extends around this plurality of plate outer rim side, so, this the first reflection gauffer extends along untight circular path, and wherein, this circular path is L shape path or U-shaped path.
As optional technical scheme, this reflector is combined with the end of this light shield layer, and forms the spatial accommodation this light guide plate be accommodated therein, and this first reflection gauffer is arranged in this spatial accommodation.
As optional technical scheme, this reflector has the second reflection gauffer, and this second reflection gauffer is treated to project upwards in lightproof area in this, and this second reflection gauffer and this first reflect gauffer and separate and extend around this plate outer rim side.
As optional technical scheme, this first reflection gauffer and this second summation reflecting the height dimension of gauffer are greater than the height dimension of the plate outer rim side of this light guide plate.
As optional technical scheme, this light shield layer is also extruded with the 3rd reflection gauffer downwards, and the 3rd reflection gauffer is positioned at this and treats lightproof area, and the 3rd reflection gauffer and this first reflect gauffer and separate and extend around this plate outer rim side.
Compared to prior art, the backlight module of illuminated keyboard of the present invention, the position of light guide plate is avoided on light shield layer, form the reflection gauffer extended towards reflector, light guide plate is returned with the light reflection transmitted reflector and the junction, light shield layer end towards illuminated keyboard side, the luminous energy of illuminated keyboard can be avoided to escape at side, make the illumination effect of keycap on illuminated keyboard meet expection.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the vertical 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 vertical view of second embodiment of the invention illuminated keyboard;
Fig. 4 is the vertical 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 the region of B shown in Fig. 8;
Figure 10 is the sectional view that illuminated keyboard of the present invention 3rd implements aspect;
Figure 11 is the enlarged drawing in the region of C shown in Figure 10;
Figure 12 is the flow chart of steps of backlight module method for assembling of the present invention.
Embodiment
Following content will be arranged in pairs or groups graphic, by particular specific embodiment, technology contents of the present invention will be described, person skilled in the art scholar can understand other advantages of the present invention and effect easily by content disclosed in the present specification.The present invention also can be implemented by other different specific embodiments or be applied.Every details in this specification also based on different viewpoints and application, not deviating under spirit of the present invention, can carry out various modification and change.Especially, the proportionate relationship of each element and relative position only have an exemplary use in graphic, not represent actual state of the invention process.
For the enforcement feature description of illuminated keyboard of the present invention, please refer to Fig. 1 to Figure 12.Embodiment as shown in Figures 1 and 2, illuminated keyboard 1 has base plate 11, backlight module 13 and a plurality of keycap 14.Base plate 11 definition has at least one keycap setting area 111 and base plate side 112, and a plurality of keycap 14 is laid on keycap setting area 111.
Described backlight module 13 has light source 135, light guide plate 131, light shield layer 132 and reflector 133.Light guide plate 131 is arranged at the below 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 the covering scope below base plate 11 base plate side 112.The scope definable exceeding the plate outer rim side 1312 of light guide plate 131 below the base plate side 112 of base plate 11 goes 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 the light received to transmit towards a distant place, the light of transmission can be made upwards to enter keycap setting area 111 by light shield layer 132, to provide backlight to keycap setting area 111, and illuminate a plurality of keycaps 14 being laid in keycap setting area 111, and then light highlights the distinguished symbol on a plurality of keycap 14.
Generally speaking, reflector 133 is arranged at the below of light guide plate 131, and to return leave the light reflection transmitted towards the direction deviating from light shield layer 132 from plate bottom surface 1311 to light guide plate 131, and light shield layer 132 is arranged between base plate 11 and light guide plate 131.The end of reflector 133 and both light shield layers 132 can be in conjunction with, and can form the spatial accommodation 15 that light guide plate 131 can be accommodated therein.
Enforcement aspect as shown in Figures 6 and 7, light shield layer 132 has the first outstanding reflection gauffer 1321 downwards.First reflection gauffer 1321 has the section of approximate " V " font or " U " font, but not as limit, the section configuration of the first reflection gauffer 1321, still can reflect the technology of gauffer 1321 according to formation first and change.
First reflection gauffer 1321 is arranged in treats lightproof area 16, and is arranged in the position that spatial accommodation 15 avoids light guide plate 131, and adjacent with the plate outer rim side 1312 of light guide plate 131, also can extend around the plate outer rim side 1311 of light guide plate 131 as shown in Figure 1.In the present invention, spatial accommodation 15 is mainly in order to hold light guide plate 131, the segment space of spatial accommodation 15 tail end is not taken by light guide plate 131, and can be used to extend wherein for the first reflection gauffer 1321, the section configuration of the segment space of this tail end can be selected to be similar to triangle or trapezoidal section configuration, use and enough spatial accommodations are provided, and guarantee that the first reflection gauffer 1321 can successfully extend wherein.
The some light that first reflection gauffer 1321 can transmit leaving from plate outer rim side 1312 towards reflector 133 and junction, light shield layer 132 end is reflected back light guide plate 131.In detail, plate outer rim side 1312 has subregion floor projection can reflect gauffer 1321 in first, or be called that the projection that at least part of region of plate outer rim side 1312 is gone up in the horizontal direction falls within the first reflection gauffer 1321, to reflect gauffer 1321 by first, the light reflection left from plate outer rim side 1312 is returned light guide plate 131, to avoid light by reflector 133 and the junction loss of light shield layer 132 end, and then promote the luminous intensity of keycap setting area 111 on illuminated keyboard 1.
In embodiment as shown in Figure 5, all causes a plurality of plate outer rim side 1312 of light guide plate 131 is around formed, and the inside of light guide plate 131 has holes 1313, incidence surface 1315 is positioned at the wall surface of the hole of holes 1313, light source 135 is arranged in the holes 1313 of light guide plate 131, and away from plate outer rim side 1312.A plurality of base plate side 1312 extends around keycap setting area, and makes to treat that lightproof area 16 forms annular section, and the first reflection gauffer 1321 is along cyclic path in treating to extend 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 and incidence surface 1315 are around formed.First reflection gauffer 1321 avoids incidence surface 1315, and extends around a plurality of plate outer rim side 1312, and so, the first reflection gauffer 1321 extends along the untight circular path of essence, and wherein, circular path can be L shape path or U-shaped path.
First reflection gauffer 1321 extends around the end of light shield layer 132, and as shown in Fig. 1, Fig. 3 to Fig. 4, the path that the first reflection gauffer 1321 extends includes the first linear edge 13211, second linear edge 13212 and arcuation edge 13213.First linear edge 13211 and the second linear edge 13212 extend towards mutually orthogonal directions, and arcuation edge 13213 is for connecting the first linear edge 13211 and the second linear edge 13212.
In order to reflect the more light from the injection of plate outer rim side 1312, the first reflection gauffer 1321 can select in a continuous manner (as shown in Figure 1) or discontinuous mode (as shown in Figure 3), extends around the end of light shield layer 132.As shown in Figure 1, the horizontal-extending length optional of the first reflection gauffer 1321 selects the horizontal-extending length of the plate outer rim side 1312 being greater than light guide plate 131.As shown in Figure 7, the vertical extended height D1 of the first reflection gauffer 1321 can select the half of the vertical extended height D2 in plate outer rim side 1312 being greater than light guide plate 131.
Enforcement aspect as shown in Figure 10 and Figure 11, light shield layer 132 avoids the position that light guide plate 131 and first reflects gauffer 1321 in spatial accommodation 15, is extruded with the 3rd reflection gauffer 1322 downwards.3rd reflection gauffer 1322 is positioned at treats lightproof area 16, and reflect gauffer 1321 separate with first, and extend around the plate outer rim side 1312 of light guide plate 131, so that gauffer 1321 can be reflected arrange in pairs or groups with first, and the light portion penetrated from plate outer rim side 1312 can be reflected back in light guide plate 131.Preferably, the 3rd reflection gauffer 1322 extends along parallel first linear edge 13211, second linear edge 13212 with the path at arcuation edge 13213, therefore the 3rd reflection gauffer 1322 also can extend along cyclic path, L shape path or U-shaped path.
In addition, the enforcement aspect as shown in Fig. 8 and Fig. 9, the position that light guide plate 131 and first reflects gauffer 1321 is avoided in reflector 133 in spatial accommodation 15, forms the second reflection gauffer 1331 extended towards light shield layer 132.Second reflection gauffer 1331 is in treating to project upwards in lightproof area 16, and reflect gauffer 1321 separate with first, and it is adjacent with the plate outer rim side 1312 of light guide plate 131, and winding board outer rim side 1312 extends, so that gauffer 1321 can be reflected arrange in pairs or groups with first, return leave the light reflection transmitted towards reflector 133 and junction, light shield layer 132 end from plate outer rim side 1312 to light guide plate 131.Preferably, the second reflection gauffer 1331 extends along parallel first linear edge 13211, second linear edge 13212 with the path at arcuation edge 13213, therefore the second reflection gauffer 1331 also can extend along cyclic path, L shape path or U-shaped path.
Optionally, the first reflection gauffer 1321 and the second summation reflecting gauffer 1331 extended height size are greater than the size of plate outer rim side 1312 extended height of light guide plate 131.
The method for assembling of the invention described above backlight module 13, can be described by the flow chart shown in Figure 12: first, in step S1, step S2 and step S3, light guide plate, light shield layer and reflector are provided respectively, wherein, light shield layer, in the position of adjacent end, forms the first reflection gauffer downwards through raising or bending mode.Then, in step s 4 which, provided light shield layer and reflector is gluing in upper and lower two surfaces of provided light guide plate respectively.Then, provided light shield layer is combined through adhesive means with the end in reflector, and formation can hold light guide plate in spatial accommodation wherein, make first of light shield layer the reflection gauffer be arranged in the position that spatial accommodation avoids light guide plate.
In step S3, reflector can be selected with raising or bending mode, avoids the position that light guide plate and first reflects gauffer and adjacent end in spatial accommodation, upwards forms the second reflection gauffer.
In sum, illuminated keyboard provided by the present invention has base plate and backlight module.Backlight module has light shield layer and light guide plate, light shield layer is arranged between base plate and light guide plate, light shield layer periphery avoids the position of light guide plate, there is reflection gauffer that is outstanding downwards and that extend around this light guide plate outer rim side, with by this reflection gauffer, the light reflection sent from this light guide plate outer rim side is returned this light guide plate, to avoid the light of light guide plate to escape by side is meaningless, makes the illumination effect of illuminated keyboard meet expection.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (21)
1. an illuminated keyboard, is characterized in that comprising:
Base plate;
Light guide plate, this light guide plate is arranged at the below of this base plate, and this light guide plate has incidence surface, plate bottom surface and plate outer rim side;
Light source, this light source is used for emitting beam, and this light enters in this light guide plate by this incidence surface, then transmits in this light guide plate;
Reflector, this reflector is arranged at the below of this light guide plate, so that the light reflection left from this plate bottom surface is returned this light guide plate; And
Light shield layer, this light shield layer is arranged between this base plate and this light guide plate, this light shield layer is formed down in the position avoiding this light guide plate and the first reflection gauffer extended around this plate outer rim side, the projection that at least part of region of this plate outer rim side is gone up in the horizontal direction falls within this first reflection gauffer, the light reflection left from this plate outer rim side is returned this light guide plate by this first reflection gauffer.
2. a backlight module, for having the illuminated keyboard of at least one keycap setting area, to provide backlight to this keycap setting area of this illuminated keyboard, is characterized in that this backlight module comprises:
Light guide plate, the light that this light-guide plate guides receives transmits, to provide backlight to this keycap setting area;
Light shield layer, this light shield layer is arranged at the top of this light guide plate; And
Reflector, this reflector is arranged at the below of this light guide plate, to return leave from this light guide plate the light reflection transmitted down to this light guide plate; Wherein,
This reflector is combined with the end of this light shield layer, and form the spatial accommodation this light guide plate be accommodated therein, this light shield layer avoids the position of this light guide plate in this spatial accommodation, be formed with the first reflection gauffer extended towards this reflector, to return leave the light reflection transmitted towards the junction, end of this reflector and this light shield layer from this light guide plate to this light guide plate by this first reflection gauffer.
3. backlight module according to claim 2, it is characterized in that: this light guide plate and this first position reflecting gauffer are avoided in this reflector in this spatial accommodation, be formed with the second reflection gauffer extended towards this light shield layer, this second reflection gauffer is in order to return leave the light reflection transmitted towards the junction, end of this reflector and this light shield layer from this light guide plate to this light guide plate.
4. backlight module according to claim 2, is characterized in that: this first reflection bumpy torus extends around the end of this light shield layer, and the path shape that this first reflection gauffer extends forms the shape of rectangle.
5. backlight module according to claim 4, it is characterized in that: the extension path of this first reflection gauffer has the first linear edge, the second linear edge and arcuation edge, this first linear edge and this second linear edge extend towards mutually orthogonal directions, and this arcuation edge is for connecting this first linear edge and this second linear edge.
6. backlight module according to claim 4, is characterized in that: this first reflection gauffer extends around the end of this light shield layer in continuous or discontinuous mode.
7. backlight module according to claim 2, is characterized in that: the region extended for this first reflection gauffer in this spatial accommodation has triangle or trapezoidal section.
8. backlight module according to claim 2, is characterized in that: this first reflection gauffer has the section of U-shaped or V-shaped.
9. a method for assembling for backlight module, is characterized in that comprising the following steps:
Light guide plate is provided;
There is provided light shield layer, this light shield layer forms the first reflection gauffer downwards in the position of adjacent end;
Reflector is provided;
This light shield layer and this reflector is gluing in upper and lower two surfaces of this light guide plate respectively; And
This light shield layer is combined through adhesive means with the end in this reflector, and forms spatial accommodation, make this light guide plate be contained in this spatial accommodation, and make first of this light shield layer the reflection gauffer be arranged in the position that this spatial accommodation avoids this light guide plate.
10. the method for assembling of backlight module according to claim 9, it is characterized in that: this reflector is in the position of adjacent end, be formed with the second reflection gauffer, make this second reflection gauffer in this reflector be arranged in this spatial accommodation and avoid this light guide plate and this first position reflecting gauffer.
The method for assembling of 11. backlight modules according to claim 10, is characterized in that: this first reflection gauffer is formed through the mode of raising or bending;
Or this second reflection gauffer is formed through the mode of raising or bending.
12. 1 kinds of illuminated keyboards, is characterized in that comprising:
A plurality of keycap;
Base plate, this base plate has base plate side and keycap setting area, and this plurality of keycap is arranged on this keycap setting area;
Light guide plate, this light guide plate extends the below of this keycap setting area, and this light guide plate has incidence surface, plate bottom surface and plate outer rim side, exceeds the region of this plate outer rim side for treating lightproof area below this base plate side;
Light source, this light source emits beam towards this light guide plate, and this light to be entered in this light guide plate by this incidence surface and transmits in this light guide plate, and arrives the below of this keycap setting area;
Light shield layer, this light shield layer is arranged between this base plate and this light guide plate, this light shield layer has the first outstanding reflection gauffer downwards, this the first reflection gauffer is positioned at this and treats lightproof area, and this first reflection gauffer extends around this plate outer rim side, the projection that at least part of region of this plate outer rim side is gone up in the horizontal direction falls within this first reflection gauffer, the light reflection left from this plate outer rim side is returned this light guide plate by this first reflection gauffer; And
Reflector, this reflector is arranged at the below of this light guide plate, so that the light reflection left from this plate bottom surface is returned this light guide plate.
13. illuminated keyboards according to claim 12, is characterized in that: the horizontal-extending length of this first reflection gauffer is greater than the horizontal-extending length of this plate outer rim side.
14. illuminated keyboards according to claim 12, is characterized in that: the vertical extended height of this first reflection gauffer is greater than the half of this plate outer rim lateral vertical extended height.
15. illuminated keyboards according to claim 12, it is characterized in that: this base plate also has a plurality of base plate side, this a plurality of base plate side extends around this keycap setting area, and lightproof area forms annular section to make this treat, this first reflection gauffer is treated to extend in lightproof area along cyclic path in this.
16. illuminated keyboards according to claim 15, it is characterized in that: all causes a plurality of plate outer rim side surrounding of this light guide plate formed, and the inside of this light guide plate has holes, this incidence surface is positioned at the wall surface of the hole of this holes, and this first reflection gauffer extends along the circular path closed around this plurality of plate outer rim side.
17. illuminated keyboards according to claim 12, it is characterized in that: all causes a plurality of plate outer rim side of this light guide plate and this incidence surface are around formed, this the first reflection gauffer avoids this incidence surface, and this first reflection gauffer extends around this plurality of plate outer rim side, so, this the first reflection gauffer extends along untight circular path, and wherein, this circular path is L shape path or U-shaped path.
18. illuminated keyboards according to claim 12, is characterized in that: this reflector is combined with the end of this light shield layer, and form the spatial accommodation this light guide plate be accommodated therein, and this first reflection gauffer is arranged in this spatial accommodation.
19. illuminated keyboards according to claim 12, it is characterized in that: this reflector has the second reflection gauffer, this the second reflection gauffer is treated to project upwards in lightproof area in this, and this second reflection gauffer and this first reflect gauffer and separate and extend around this plate outer rim side.
20. illuminated keyboards according to claim 19, is characterized in that: this first reflection gauffer and this second summation reflecting the height dimension of gauffer are greater than the height dimension of the plate outer rim side of this light guide plate.
21. illuminated keyboards according to claim 12, it is characterized in that: this light shield layer is also extruded with the 3rd reflection gauffer downwards, 3rd reflection gauffer is positioned at this and treats lightproof area, and the 3rd reflection gauffer and this first reflect gauffer and separate and extend around this plate outer rim side.
Priority Applications (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 |
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| CN201610321713.7A Division CN105914074A (en) | 2015-05-27 | 2015-05-27 | Light-emitting keyboard, backlight module and assembly method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105299542A (en) * | 2015-09-29 | 2016-02-03 | 苏州达方电子有限公司 | Backlight module |
| CN106445257A (en) * | 2016-11-11 | 2017-02-22 | 苏州达方电子有限公司 | Touchpad |
| CN107180722A (en) * | 2017-06-29 | 2017-09-19 | 苏州达方电子有限公司 | Illuminated keyboard |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108305809B (en) * | 2018-01-25 | 2019-10-01 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
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| CN202258943U (en) * | 2011-08-21 | 2012-05-30 | 苏州达方电子有限公司 | 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 |
| 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 |
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| 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 |
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- 2015-05-27 CN CN201610321713.7A patent/CN105914074A/en active Pending
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| 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 |
| 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 |
| 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 |
| 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 |
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| CN105299542A (en) * | 2015-09-29 | 2016-02-03 | 苏州达方电子有限公司 | Backlight module |
| CN106445257A (en) * | 2016-11-11 | 2017-02-22 | 苏州达方电子有限公司 | Touchpad |
| CN106445257B (en) * | 2016-11-11 | 2023-08-18 | 苏州达方电子有限公司 | Touch control panel |
| CN107180722A (en) * | 2017-06-29 | 2017-09-19 | 苏州达方电子有限公司 | Illuminated keyboard |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914074A (en) | 2016-08-31 |
| CN104882319B (en) | 2016-08-24 |
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