CN205542525U - Backlight unit and keyboard suitable for keyboard - Google Patents
Backlight unit and keyboard suitable for keyboard Download PDFInfo
- Publication number
- CN205542525U CN205542525U CN201620093875.5U CN201620093875U CN205542525U CN 205542525 U CN205542525 U CN 205542525U CN 201620093875 U CN201620093875 U CN 201620093875U CN 205542525 U CN205542525 U CN 205542525U
- Authority
- CN
- China
- Prior art keywords
- perforation
- conformable region
- light guide
- guide plate
- region
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2203/00—Form of contacts
- H01H2203/036—Form of contacts to solve particular problems
- H01H2203/052—Form of contacts to solve particular problems for backlighted keyboards
Abstract
The utility model discloses a backlight unit and keyboard suitable for keyboard contains light screen, light guide plate, luminescence unit, reflecting plate and pastes the layer. The light screen is formed with a plurality of going up bores a hole, and the laminating district was gone up in the definition around each was gone up and bores a hole. The light guide plate sets up under the light screen, and the light guide plate is formed with a plurality of through holes, and the luminescence unit is located one side of light guide plate. The reflecting plate sets up under the light guide plate and corresponds a plurality of through hole departments and is formed with and a plurality ofly bores a hole down, definition laminating district down around each is bored a hole down, down the laminating distinguishing to laminate via the through hole and distinguishing in last laminating. It sets up between down laminating district and last laminating are distinguished to paste the layer for paste district of laminating down and last laminating district. The utility model discloses a paste the layer with the lower laminating district utilization of reflecting plate and laminate each other in the through hole of light guide plate in the upward laminating district of light screen to seal the pore wall of the through hole of light guide plate, and then shelter from the light that gets into the light guide plate outside the through hole of light guide plate jets out the light guide plate, produce the phenomenon of light leak in the through hole department of light guide plate in order to prevent backlight unit.
Description
Technical field
The utility model relates to a kind of backlight module and keyboard, a kind of backlight module and keyboard preventing terminating in the tapping light leak of base plate.
Background technology
Recently, keyboard has become the input tool that people are common, in order to input word, numeral, symbol etc..Visualize effect for making keyboard have and promote in the identification in dark place, often backlight module being set under the base plate of keyboard, so that appearing light by bond energy and producing illumination effect.In practical operation, the light guide plate of backlight module often need to be offered perforation, the cylinder (such as screw column or hot molten column etc.) for base plate passes through, or supply stream passes through, to assist backlight module to dispel the heat.But, the light that backlight module is sent often can appear via at the perforation of light guide plate, causes keyboard to produce the phenomenon of light leak at the perforation of light guide plate, affects product appearance.
Utility model content
The utility model provides a kind of backlight module and keyboard preventing terminating in the tapping light leak of base plate, to solve the problems referred to above.
In order to achieve the above object, the utility model proposes a kind of backlight module being applicable to keyboard, this keyboard comprises base plate and a plurality of button, this base plate has upper surface and lower surface, these a plurality of key layout are on this upper surface, and this backlight module comprises shadow shield, light guide plate, luminescence unit, reflecting plate and adhered layer.Shadow shield is arranged at this lower surface, and this shadow shield is formed with a plurality of upper perforation, conformable region in surrounding's definition of each upper perforation, and this shadow shield comprises conformable region and the first body region on this, and on this, conformable region is connected with this first body region；Light guide plate is arranged under this shadow shield, and this light guide plate is to being formed with a plurality of perforation at a plurality of upper perforation；Luminescence unit is positioned at the side of this light guide plate, and this luminescence unit enters this light guide plate in order to launch light；Reflecting plate is arranged under this light guide plate, this reflecting plate is guided and the light of this reflecting plate of directive by this light guide plate in order to reflect, this reflecting plate is to being formed with a plurality of lower perforation at a plurality of perforations, conformable region under every surrounding's definition once bored a hole, this reflecting plate comprises this lower conformable region and the second body region, this lower conformable region is connected with this second body region, and this lower conformable region fits in conformable region on this via this perforation, to close the hole wall of this perforation；Adhered layer is arranged at this lower conformable region and on this between conformable region, this adhered layer in order to paste this lower conformable region with this on conformable region；Wherein the thickness of thickness and this adhered layer of the thickness of conformable region on this, this lower conformable region and thickness less than this light guide plate.
As optional technical scheme, this lower conformable region is planar structure, and on this conformable region include sticking part and on be fitted and connected portion, upper sticking part is arranged in this perforation, this adhered layer paste this planar structure with this on sticking part；On the portion of being fitted and connected connect on this sticking part and this shadow shield and on this portion of being fitted and connected be positioned at this perforation.
As optional technical scheme, on this, conformable region is planar structure, and this lower conformable region include lower sticking part and under be fitted and connected portion, lower sticking part is arranged in this perforation, and this adhered layer pastes this planar structure and this lower sticking part；Under the portion of being fitted and connected connect this lower sticking part and this reflecting plate and under this portion of being fitted and connected be positioned at this perforation.
As optional technical scheme, on this conformable region include sticking part and on be fitted and connected portion, in on this, sticking part is arranged at this perforation, on this portion of being fitted and connected connect on this sticking part and this shadow shield and on this portion of being fitted and connected be positioned at this perforation, this lower conformable region include lower sticking part and under be fitted and connected portion, this lower sticking part is arranged in this perforation, under this portion of being fitted and connected connect this lower sticking part and this shadow shield and under this portion of being fitted and connected be positioned at this perforation, and this adhered layer pastes sticking part and this lower sticking part on this.
As optional technical scheme, this being fitted and connected portion and has the first angle on this between sticking part, this first angle is less than 180 degree more than or equal to 90 degree.
As optional technical scheme, being fitted and connected between portion and this lower sticking part and have the second angle under this, this second angle is less than 180 degree more than or equal to 90 degree.
As optional technical scheme, this shadow shield is also formed with a plurality of fenestra, and this this light of light guide plate leader appears via these a plurality of fenestras.
As optional technical scheme, the size of this perforation is more than size and the size of this lower perforation of perforation on this.
Additionally, the utility model also proposes a kind of keyboard, this keyboard comprises base plate and a plurality of button, and this base plate has upper surface and lower surface, and these a plurality of key layout are on this upper surface, and this keyboard also comprises above-mentioned backlight module.
As optional technical scheme, this base plate includes a plurality of cylinders protruding from this lower surface, respectively each corresponding at least some of perforation and this lower perforation on this of these a plurality of cylinders, this cylinder be arranged on this of correspondence perforation with in this lower perforation.
As optional technical scheme, on this, perforation is aligned in this lower perforation and forms passage, and this passage supply stream passes through, to assist backlight module to dispel the heat.Another alternative of the utility model, a kind of backlight module being applicable to keyboard is provided, this keyboard comprises base plate and a plurality of button, this base plate has upper surface and lower surface, these a plurality of key layout are on this upper surface, it is characterized in that, this backlight module comprises shadow shield, light guide plate, luminescence unit, reflecting plate and adhered layer.Wherein, shadow shield, it is arranged at this lower surface, this shadow shield is formed with a plurality of upper perforation, the upper conformable region of each upper perforation definition around, and this shadow shield comprises conformable region and the first body region on this, and on this, conformable region is connected with this first body region；Light guide plate, is arranged under this shadow shield, and this light guide plate is to being formed with a plurality of perforation at a plurality of upper perforation；Luminescence unit, is positioned at the side of this light guide plate, and this luminescence unit enters this light guide plate in order to launch light；Reflecting plate, it is arranged under this light guide plate, this reflecting plate is guided and the light of this reflecting plate of directive by this light guide plate in order to reflect, this reflecting plate is to being formed with a plurality of lower perforation at a plurality of perforations, each lower conformable region of lower perforation definition around, this reflecting plate comprises this lower conformable region and the second body region, and this lower conformable region is connected with this second body region, this lower conformable region fits in conformable region on this via this perforation, to close the hole wall of this perforation；Adhered layer is arranged at this lower conformable region and on this between conformable region, this adhered layer in order to paste this lower conformable region with this on conformable region；Wherein on this, the size of conformable region, equal to the size of this lower conformable region, makes after on this, conformable region is pasted with this lower conformable region, and this adhered layer is positioned at this light guide plate one half thickness, and on this, conformable region separates with this keyboard board.
The utility model still another alternative, a kind of backlight module being applicable to keyboard is provided, this keyboard comprises base plate and a plurality of button, this base plate has upper surface and lower surface, these a plurality of key layout are on this upper surface, and this backlight module comprises shadow shield, light guide plate, luminescence unit, reflecting plate and adhered layer.Wherein, shadow shield, it is arranged at this lower surface, this shadow shield is formed with a plurality of upper perforation, the upper conformable region of each upper perforation definition around, and this shadow shield comprises conformable region and the first body region on this, and on this, conformable region is connected with this first body region；Light guide plate, is arranged under this shadow shield, and this light guide plate is to being formed with a plurality of perforation at a plurality of upper perforation；Luminescence unit, is positioned at the side of this light guide plate, enters this light guide plate in order to launch a light；Reflecting plate, it is arranged under this light guide plate, in order to reflect the light being guided this reflecting plate of directive by this light guide plate, this reflecting plate is to being formed with a plurality of lower perforation at a plurality of perforations, each lower perforation around defines conformable region, and this reflecting plate comprises this lower conformable region and the second body region, and this lower conformable region is connected with this second body region, this lower conformable region fits in conformable region on this via this perforation, to close the hole wall of this perforation；Adhered layer, is arranged at this lower conformable region and on this between conformable region, this adhered layer in order to paste this lower conformable region with this on conformable region；Wherein on this, the size of conformable region is more than the size of this lower conformable region, so that after on this, conformable region is pasted with this lower conformable region, this adhered layer and this light guide plate lower edge have identical height, and on this, conformable region separates with this keyboard board.
In sum, the upper conformable region of shadow shield of the present utility model utilizes adhered layer to fit each other in the perforation of light guide plate with the lower conformable region of reflecting plate, hole wall with the perforation of confined bed tabula rasa, and then outside the light blocking entrance light guide plate avoids it via the perforation injection light guide plate of light guide plate, to prevent backlight module from producing the phenomenon of light leak at the perforation of light guide plate.Additionally, on the utility model the thickness of the thickness of conformable region, the thickness of lower conformable region and adhered layer and less than the thickness of light guide plate.During consequently, it is possible to conformable region is closely attached on upper conformable region by adhered layer in perforation instantly, upper conformable region and adhered layer all can fall completely within perforation, i.e. go up conformable region and all will not protrude from light guide plate with adhered layer, and then do not interfere with the integral thickness of backlight module.
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail, but not as to restriction of the present utility model.
Accompanying drawing explanation
Fig. 1 is the partial cutaway schematic of the utility model first embodiment keyboard；
Fig. 2 is the exploded perspective view of the utility model first embodiment backlight module；
Fig. 3 is the partial cutaway schematic of the utility model the second embodiment keyboard；
Fig. 4 is the partial cutaway schematic of the utility model the 3rd embodiment keyboard.
Detailed description of the invention
The direction term being previously mentioned in following example, such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings.Therefore, the direction term of use is used to illustrate not for limiting the utility model.Refer to the partial cutaway schematic of the keyboard 1000 that Fig. 1, Fig. 1 are the utility model first embodiment.As it is shown in figure 1, keyboard 1000 comprises base plate 1, a plurality of button 2 and backlight module 3, base plate 1 has upper surface 10 and lower surface 11, and a plurality of buttons 2 are arranged on the upper surface 10 of base plate 1, presses for user, and then input word, numeral, symbol etc..
Refer to the exploded perspective view that Fig. 1 and Fig. 2, Fig. 2 are the utility model first embodiment backlight module 3.nullAs shown in Figure 1 and Figure 2，Backlight module 3 comprises shadow shield 30、Light guide plate 31、Luminescence unit 32、Reflecting plate 33 and adhered layer 34，Shadow shield 30 is arranged at the lower surface 11 of base plate 1，Shadow shield 30 is formed with a plurality of upper perforation 301 and a plurality of fenestra 303，The upper conformable region 302 of each upper perforation 301 surrounding definition，Light guide plate 31 is arranged at shadow shield 30 times，The corresponding a plurality of upper perforation 301 of light guide plate 31 are formed with a plurality of perforation 310，Luminescence unit 32 is arranged on reflecting plate 33 and is positioned at the side 311 of light guide plate 31，Luminescence unit 32 enters light guide plate 31 in order to launch light 320，Make light guide plate 31 can guide light 320 directive shadow shield 30，So light 320 of directive shadow shield 30 just can penetrate outside shadow shield 30 via fenestra 303.In other words, light guide plate 31 can appear via a plurality of fenestras 303 by leader light 320, makes keyboard 1000 produce the effect of luminescence.Additionally, reflecting plate 33 is arranged at light guide plate 31 times, being guided and the light 320 of directive reflecting plate 33 by light guide plate 31 in order to reflect, the light 320 making luminescence unit 32 be sent can be more concentrated at projecting towards shadow shield 30, promotes the illumination effect of keyboard 1000.The upper perforation 301 being formed with the lower perforation 330 of a plurality of lower perforation 330, i.e. reflecting plate 33, the perforation 310 of light guide plate 31 and shadow shield 30 at the corresponding a plurality of perforations 310 of reflecting plate 33 corresponds to each other.
The lower conformable region 331 of each lower perforation 330 surrounding definition, wherein the aperture of perforation 310 is more than the aperture of upper perforation 301 and the aperture of lower perforation 330, the i.e. size of perforation 310 is more than the size of upper perforation 301 and the size of lower perforation 330, thereby the lower conformable region 331 around the lower perforation 330 of reflecting plate 33 just can fit in the upper conformable region 302 around the upper perforation 301 of shadow shield 30 via the perforation 310 of light guide plate 31, with the hole wall of the perforation 310 of confined bed tabula rasa 31.And adhered layer 34 is arranged between lower conformable region 331 and upper conformable region 302, in order to paste lower conformable region 331 and upper conformable region 302, lower conformable region 331 is made to be closely attached on upper conformable region 302 in perforation 310.From the above, lower conformable region 331 around the lower perforation 330 of reflecting plate 33 fits in the structure design of the upper conformable region 302 around the upper perforation 301 of shadow shield 30, just the light 320 that the upper conformable region 302 around the upper perforation 301 of shadow shield 30 can be made to block entrance light guide plate 31 penetrates outside light guide plate 31 via the perforation 310 of light guide plate 31, to prevent backlight module 3 from producing the phenomenon of light leak at the perforation 310 of light guide plate 31.Shadow shield 30 comprises conformable region 302 and the first body region, and upper conformable region 302 is connected with the first body region.Reflecting plate 33 comprises lower conformable region 331 and the second body region, and lower conformable region 331 is connected with the second body region.
It is noted that base plate 1 can include a plurality of cylinders 12 protruding from lower surface 11, and those cylinders 12 can be respectively corresponding to perforation 301 in a few part, perforation 310 and lower perforation 330.As shown in Figure 2, instantly when conformable region 331 is closely attached on upper conformable region 302 by adhered layer 34 in perforation 310, upper perforation 301 defined in upper conformable region 302 is aligned in lower perforation 330 defined in lower conformable region 331 and forms a passage, the most each cylinder 12 just may pass through this passage (i.e. upper perforation 301 and lower perforation 330), to be assembled on the board housing (not being illustrated in figure) below backlight module 3.In practical operation, cylinder 12 can be screw column, hot molten column etc., but the utility model is not limited.On the other hand, the upper perforation 301 of another part, perforation 310 can not be equipped with cylinder 12 with lower perforation 330, pass through for air-flow, and then assist backlight module heat radiation, and end is depending on actual demand.
In this embodiment, lower conformable region 331 can be planar structure, and upper conformable region 302 include sticking part 3021 and on be fitted and connected portion 3022, upper sticking part 3021 is arranged in the perforation 310 of light guide plate 31, wherein adhered layer 34 is to be pasted on this planar structure (i.e. descending conformable region 331) and upper sticking part 3021, be above fitted and connected portion 3022 connect upper sticking part 3021 and shadow shield 30 and on be fitted and connected portion 3022 and be positioned at the perforation 310 of light guide plate 31.It is noted that the thickness 340 of the thickness 3020 of upper conformable region 302 of the present utility model, the thickness 3310 of lower conformable region 331 and adhered layer 34 and less than the thickness 312 of light guide plate 31.Thus, instantly when conformable region 331 is closely attached on upper conformable region 302 by adhered layer 34 in perforation 310, upper conformable region 302 all can fall completely within perforation 310 with adhered layer 34, i.e. go up conformable region 302 and all will not protrude from light guide plate 31 with adhered layer 34, and then do not interfere with the integral thickness of backlight module 3.Being fitted and connected on as it is shown in figure 1, between portion 3022 and upper sticking part 3021 and have the first angle, the first angle is less than 180 degree more than or equal to 90 degree.As shown in Figure 1, the size of upper conformable region 302 (i.e. go up sticking part 3021 with the size being above fitted and connected portion 3022 and) be more than the size (i.e. the size of this planar structure) of lower conformable region 331, therefore after upper conformable region 302 is pasted with lower conformable region 331, i.e. after the upper sticking part 3021 of upper conformable region 302 utilizes adhered layer 34 to be pasted on lower conformable region 331, adhered layer 34 can flush with the lower edge of this light guide plate 31 with the light guide plate 31 substantially identical height of lower edge, the i.e. lower edge of adhered layer 34.It addition, in this embodiment, upper conformable region 302 separates with base plate 1, in order to base plate 1 and the assembling of backlight module 3.
It is noted that the structure design of the lower conformable region of the upper conformable region of the utility model shadow shield and reflecting plate can be not limited to this embodiment graphic depicted.For example, the partial cutaway schematic of the keyboard 1000' that Fig. 3, Fig. 3 are the utility model the second embodiment is referred to.As shown in Figure 3, keyboard 1000' is at the main difference of above-mentioned keyboard 1000: the upper conformable region 302' of the shadow shield 30' of the backlight module 3' of keyboard 1000' is planar structure, and the lower conformable region 331' of the reflecting plate 33' of backlight module 3' include lower sticking part 3311 and under be fitted and connected portion 3312, the lower sticking part 3311 of lower conformable region 331' is arranged in the perforation 310 of light guide plate 31, wherein adhered layer 34 is to be pasted on this planar structure (i.e. going up conformable region 302') and lower sticking part 3311, under be fitted and connected portion 3312 connect lower sticking part 3311 and reflecting plate 33' and under be fitted and connected portion 3312 and be positioned at the perforation 310 of light guide plate 31.And this embodiment and above-described embodiment have the element of identical label, it has identical structure design and action principle, for the sake of clarity, repeats no more in this.Being fitted and connected under as it is shown on figure 3, between portion 3312 and lower sticking part 3311 and have the second angle, the second angle is less than 180 degree more than or equal to 90 degree.
Refer to the keyboard 1000 that Fig. 4, Fig. 4 are the utility model the 3rd embodiment " partial cutaway schematic.As shown in Figure 4, keyboard 1000 " be at the main difference of above-mentioned keyboard 1000: keyboard 1000 " backlight module 3 " shadow shield 30 " upper conformable region 302 " include upper sticking part 3021' and on be fitted and connected portion 3022'; upper sticking part 3021' is arranged in the perforation 310 of light guide plate 31, is above fitted and connected sticking part 3021' and shadow shield 30 in portion's 3022' connections " and on be fitted and connected portion 3022' and be positioned at the perforation 310 of light guide plate 31.Additionally, backlight module 3 " reflecting plate 33 " lower conformable region 331 " include lower sticking part 3311' and under be fitted and connected portion 3312'; lower sticking part 3311' is also arranged in the perforation 310 of light guide plate 31, under be fitted and connected portion 3312' connect lower sticking part 3311' and under be fitted and connected portion 3312' and be positioned at the perforation 310 of light guide plate 31.In this embodiment, adhered layer 34 is to be pasted on sticking part 3021' and lower sticking part 3311'.And this embodiment and above-described embodiment have the element of identical label, it has identical structure design and action principle, for the sake of clarity, repeats no more in this.As shown in Figure 4, being above fitted and connected between portion 3022 ' and upper sticking part 3021 ' and have the first angle, the first angle is less than 180 degree more than or equal to 90 degree.Under be fitted and connected between portion 3312 ' and lower sticking part 3311 ' there is the second angle, the second angle is less than 180 degree more than or equal to 90 degree.As shown in Figure 4, shadow shield 30 " upper conformable region 302 " size (i.e. go up sticking part 3021' with the size being above fitted and connected portion 3022' and) be substantially equal to reflecting plate 33 " and lower conformable region 331 " size (i.e. descend sticking part 3311' and under be fitted and connected portion 3312' size and).Therefore, when upper conformable region 302 " with lower conformable region 331 " paste after, i.e. when upper conformable region 302 " upper sticking part 3021' utilize adhered layer 34 to be pasted on lower conformable region 331 " lower sticking part 3311' after, adhered layer 34 height can essence be positioned at light guide plate 31 1 half thickness.
Compared to prior art, the upper conformable region of shadow shield of the present utility model utilizes adhered layer to fit each other in the perforation of light guide plate with the lower conformable region of reflecting plate, hole wall with the perforation of confined bed tabula rasa, and then block the light entering light guide plate to avoid it to penetrate outside light guide plate via the perforation of light guide plate, to prevent backlight module from producing the phenomenon of light leak at the perforation of light guide plate.Additionally, on the utility model the thickness of the thickness of conformable region, the thickness of lower conformable region and adhered layer and less than the thickness of light guide plate.During consequently, it is possible to conformable region is closely attached on upper conformable region by adhered layer in perforation instantly, upper conformable region and adhered layer all can fall completely within perforation, i.e. go up conformable region and all will not protrude from light guide plate with adhered layer, and then do not interfere with the integral thickness of backlight module.The foregoing is only preferred embodiment of the present utility model, all impartial changes done according to the utility model claim and modification, all should belong to covering scope of the present utility model.
Claims (13)
1. being applicable to a backlight module for keyboard, this keyboard comprises base plate and a plurality of button, and this base plate has
Having upper surface and lower surface, these a plurality of key layout are on this upper surface, it is characterised in that this backlight module
Comprise:
Shadow shield, is arranged at this lower surface, and this shadow shield is formed with a plurality of upper perforation, each upper perforation
The upper conformable region of definition around, this shadow shield comprises conformable region and the first body region on this, on this conformable region with should
First body region is connected；
Light guide plate, is arranged under this shadow shield, and this light guide plate is to being formed with plural number at a plurality of upper perforation
Individual perforation；
Luminescence unit, is positioned at the side of this light guide plate, and this luminescence unit enters this light guide plate in order to launch light；
Reflecting plate, is arranged under this light guide plate, this reflecting plate in order to reflect guided by this light guide plate and directive should
The light of reflecting plate, this reflecting plate, to being formed with a plurality of lower perforation at a plurality of perforations, is the most once worn
Conformable region under surrounding's definition in hole, this reflecting plate comprises this lower conformable region and the second body region, this lower conformable region
Being connected with this second body region, this lower conformable region fits in conformable region on this via this perforation, passes through closing this
The hole wall in hole；And
Adhered layer, is arranged at this lower conformable region and on this between conformable region, and this adhered layer is in order to paste this lower patch
Close district with this on conformable region；
Wherein the thickness of thickness and this adhered layer of the thickness of conformable region on this, this lower conformable region and less than should
The thickness of light guide plate.
Backlight module the most according to claim 1, it is characterised in that: this lower conformable region is planar structure,
And conformable region includes on this:
Upper sticking part, is arranged in this perforation, this adhered layer paste this planar structure with this on sticking part；With
And
On be fitted and connected portion, connect on this sticking part and this shadow shield and on this portion of being fitted and connected be positioned at this perforation
In.
Backlight module the most according to claim 1, it is characterised in that: on this, conformable region is planar structure,
And this lower conformable region includes:
Lower sticking part, is arranged in this perforation, and this adhered layer pastes this planar structure and this lower sticking part；With
And
Under be fitted and connected portion, connect this lower sticking part and this reflecting plate and under this portion of being fitted and connected be positioned at this perforation
In.
Backlight module the most according to claim 1, it is characterised in that: on this, conformable region includes patch
Conjunction portion and on be fitted and connected portion, on this, sticking part is arranged at this perforation, on this portion of being fitted and connected connect should
Upper sticking part and this shadow shield and on this portion of being fitted and connected be positioned at this perforation, this lower conformable region includes lower patch
Conjunction portion and under be fitted and connected portion, this lower sticking part is arranged in this perforation, under this portion of being fitted and connected connect should
Lower sticking part and this shadow shield and under this portion of being fitted and connected be positioned at this perforation, and this adhered layer pastes patch on this
Conjunction portion and this lower sticking part.
5. according to the backlight module described in claim 2 or 4, it is characterised in that: be fitted and connected on this portion with
Having the first angle on this between sticking part, this first angle is less than 180 degree more than or equal to 90 degree.
6. according to the backlight module described in claim 3 or 4, it is characterised in that: be fitted and connected under this portion with
Having the second angle between this lower sticking part, this second angle is less than 180 degree more than or equal to 90 degree.
Backlight module the most according to claim 1, it is characterised in that: this shadow shield is also formed with plural number
Individual fenestra, and this this light of light guide plate leader appears via these a plurality of fenestras.
Backlight module the most according to claim 1, it is characterised in that: the size of this perforation is more than on this
The size of perforation and the size of this lower perforation.
9. a keyboard, this keyboard comprises base plate and a plurality of button, and this base plate has upper surface and lower surface,
These a plurality of key layout are on this upper surface, it is characterised in that this keyboard also comprises such as claim 1 to 8
According to any one of backlight module.
Keyboard the most according to claim 9, it is characterised in that: this base plate includes and protrudes from this following table
A plurality of cylinders in face, respectively each corresponding at least some of perforation and this lower perforation on this of these a plurality of cylinders,
This cylinder is arranged on this of correspondence in perforation and this lower perforation.
11. keyboards according to claim 9, it is characterised in that: on this perforation be aligned in this lower perforation and
Forming passage, this passage supply stream passes through, to assist backlight module to dispel the heat.
12. 1 kinds of backlight modules being applicable to keyboard, this keyboard comprises base plate and a plurality of button, and this base plate has
Having upper surface and lower surface, these a plurality of key layout are on this upper surface, it is characterised in that this backlight mould
Group comprises:
Shadow shield, is arranged at this lower surface, and this shadow shield is formed with a plurality of upper perforation, and each upper perforation is around
Conformable region in definition, this shadow shield comprises conformable region and the first body region on this, on this conformable region with this first
Body region is connected；
Light guide plate, is arranged under this shadow shield, and this light guide plate is to being formed with plural number at a plurality of upper perforation
Individual perforation；
Luminescence unit, is positioned at the side of this light guide plate, and this luminescence unit enters this light guide plate in order to launch light；
Reflecting plate, is arranged under this light guide plate, this reflecting plate in order to reflect guided by this light guide plate and directive should
The light of reflecting plate, this reflecting plate is to being formed with a plurality of lower perforation, each lower perforation at a plurality of perforations
The lower conformable region of definition around, this reflecting plate comprises this lower conformable region and the second body region, this lower conformable region with should
Second body region is connected, and this lower conformable region fits in conformable region on this via this perforation, to close this perforation
Hole wall；And
Adhered layer, is arranged at this lower conformable region and on this between conformable region, and this adhered layer is in order to paste this lower patch
Close district with this on conformable region；
Wherein on this, the size of conformable region, equal to the size of this lower conformable region, makes conformable region and this lower laminating on this
After district pastes, this adhered layer height is positioned at this light guide plate one half thickness, conformable region and this keyboard board on this
Separate.
13. 1 kinds of backlight modules being applicable to keyboard, this keyboard comprises base plate and a plurality of button, and this base plate has
Having upper surface and lower surface, these a plurality of key layout are on this upper surface, and this backlight module comprises:
Shadow shield, is arranged at this lower surface, and this shadow shield is formed with a plurality of upper perforation, and each upper perforation is around
Conformable region in definition, this shadow shield comprises conformable region and the first body region on this, on this conformable region with this first
Body region is connected；
Light guide plate, is arranged under this shadow shield, and this light guide plate is to being formed with plural number at a plurality of upper perforation
Individual perforation；
Luminescence unit, is positioned at the side of this light guide plate, enters this light guide plate in order to launch a light；
Reflecting plate, is arranged under this light guide plate, in order to reflect the light being guided this reflecting plate of directive by this light guide plate
Line, this reflecting plate is to being formed with a plurality of lower perforation, each lower perforation definition one around at a plurality of perforations
Lower conformable region, this reflecting plate comprises this lower conformable region and the second body region, this lower conformable region and this second main body
District is connected, and this lower conformable region fits in conformable region on this via this perforation, to close the hole wall of this perforation；With
And
Adhered layer, is arranged at this lower conformable region and on this between conformable region, and this adhered layer is in order to paste this lower patch
Close district with this on conformable region；
Wherein on this, the size of conformable region is more than the size of this lower conformable region, so that conformable region and this lower patch on this
After closing district's stickup, this adhered layer and this light guide plate lower edge have identical height, conformable region and this keyboard on this
Base plate separates.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015105783341 | 2015-09-11 | ||
| CN201510578334 | 2015-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542525U true CN205542525U (en) | 2016-08-31 |
Family
ID=55721772
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610064148.0A Active CN105513870B (en) | 2015-09-11 | 2016-01-29 | Suitable for the backlight module and keyboard of keyboard |
| CN201620093875.5U Withdrawn - After Issue CN205542525U (en) | 2015-09-11 | 2016-01-29 | Backlight unit and keyboard suitable for keyboard |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610064148.0A Active CN105513870B (en) | 2015-09-11 | 2016-01-29 | Suitable for the backlight module and keyboard of keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN105513870B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513870A (en) * | 2015-09-11 | 2016-04-20 | 苏州达方电子有限公司 | Backlight module applicable to keyboard and keyboard |
| CN110033978A (en) * | 2018-08-01 | 2019-07-19 | 光宝电子(广州)有限公司 | Input unit and direction unit |
| CN110718407A (en) * | 2018-07-11 | 2020-01-21 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10208842B2 (en) * | 2016-09-06 | 2019-02-19 | Compal Electronics, Inc. | Linkage mechanism |
| CN108305809B (en) * | 2018-01-25 | 2019-10-01 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
| CN108305810B (en) * | 2018-01-31 | 2019-08-27 | 苏州达方电子有限公司 | Illuminated keyboard and its backlight module |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5138119A (en) * | 1991-03-15 | 1992-08-11 | Lucas Duralith Corporation | Backlit tactile keyboard with improved tactile and electrical characteristics |
| TWM309156U (en) * | 2006-08-11 | 2007-04-01 | Sheng Hung Entpr Co Ltd | Improved backlight structure of keypad |
| WO2011080981A1 (en) * | 2009-12-28 | 2011-07-07 | ポリマテック株式会社 | Lighting type key sheet |
| CN202940160U (en) * | 2012-11-27 | 2013-05-15 | 苏州达方电子有限公司 | Backlight module and keyboard |
| TWI465965B (en) * | 2012-12-19 | 2014-12-21 | Primax Electronics Ltd | Illuminated touch keyboard |
| TWI459425B (en) * | 2012-12-19 | 2014-11-01 | Primax Electronics Ltd | Illuminating keyboard |
| CN204178988U (en) * | 2014-07-16 | 2015-02-25 | 群光电能科技股份有限公司 | The structure-improved of keyboard back light module |
| CN104409265A (en) * | 2014-10-28 | 2015-03-11 | 苏州达方电子有限公司 | Backlight module, manufacture method of backlight module, and luminescence keyboard |
| CN105513870B (en) * | 2015-09-11 | 2017-07-28 | 苏州达方电子有限公司 | Suitable for the backlight module and keyboard of keyboard |
-
2016
- 2016-01-29 CN CN201610064148.0A patent/CN105513870B/en active Active
- 2016-01-29 CN CN201620093875.5U patent/CN205542525U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513870A (en) * | 2015-09-11 | 2016-04-20 | 苏州达方电子有限公司 | Backlight module applicable to keyboard and keyboard |
| CN105513870B (en) * | 2015-09-11 | 2017-07-28 | 苏州达方电子有限公司 | Suitable for the backlight module and keyboard of keyboard |
| CN110718407A (en) * | 2018-07-11 | 2020-01-21 | 群光电子(苏州)有限公司 | Keyboard with a keyboard body |
| CN110033978A (en) * | 2018-08-01 | 2019-07-19 | 光宝电子(广州)有限公司 | Input unit and direction unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105513870B (en) | 2017-07-28 |
| CN105513870A (en) | 2016-04-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20170728 |
|
| AV01 | Patent right actively abandoned |