CN201946480U - Luminous keyboard - Google Patents

Luminous keyboard Download PDF

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Publication number
CN201946480U
CN201946480U CN2011200286157U CN201120028615U CN201946480U CN 201946480 U CN201946480 U CN 201946480U CN 2011200286157 U CN2011200286157 U CN 2011200286157U CN 201120028615 U CN201120028615 U CN 201120028615U CN 201946480 U CN201946480 U CN 201946480U
Authority
CN
China
Prior art keywords
plate
light guide
shadow shield
module backlight
illuminated keyboard
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.)
Expired - Lifetime
Application number
CN2011200286157U
Other languages
Chinese (zh)
Inventor
陈楷升
姚良瑜
何宣纬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Original Assignee
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Darfon Electronics Suzhou Co Ltd, Darfon Electronics Corp filed Critical Darfon Electronics Suzhou Co Ltd
Priority to CN2011200286157U priority Critical patent/CN201946480U/en
Application granted granted Critical
Publication of CN201946480U publication Critical patent/CN201946480U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model provides a luminous keyboard which comprises a bottom board, a plurality of buttons and a backlight module, wherein the buttons are arranged on the bottom board; the backlight module comprises a light-shading board, a light guide board and a reflecting board; the light-shading board is arranged below the bottom board; the light guide board is arranged below the light-shading board; the reflecting board is arranged below the light guide board; the light-shading board, the light guide board and the reflecting board are stacked to form a middle area of the backlight module; an edge of one of the light-shading board and the reflecting board is reversely folded, and the edge of one of the light-shading board and the reflecting board and the edge of the other one of the light-shading board and the reflecting board are stacked to form an edge area of the backlight module; and the height of the middle area and that of the edge area are at the same level. When the luminous keyboard is adopted, the shaking phenomenon of the luminous keyboard can be avoided when a user presses the buttons located at the edge of the luminous keyboard.

Description

Illuminated keyboard
Technical field
The utility model is about a kind of illuminated keyboard, refers to especially a kind ofly avoid when pushing the edge to produce rocking the illuminated keyboard of (floating) phenomenon.
Background technology
With regard to the use habit of present PC, keyboard is one of indispensable input equipment, in order to input characters, symbol or numeral.Moreover, the large-sized processing equipment that consumption electronic products that daily life such as contacted or industrial quarters are used all need be provided with press-key structure as input unit, to operate above-mentioned electronic product and process equipment.
Along with development of science and technology, the design of keyboard is variation more and more.The user is when selecting keyboard, and keyboard is except should possessing basic input function, and the visual effect of keyboard also is subjected to user's attention.For example, the existing on the market at present illuminated keyboard of releasing except visually the user being produced the attraction, also can be used in the place of night or light deficiency.Therefore, illuminated keyboard has more the market competitiveness.
See also Fig. 1, Fig. 1 is the schematic diagram of the illuminated keyboard 1 of prior art.As shown in Figure 1, illuminated keyboard 1 comprises base plate 10, a plurality of button 12 and module backlight 14.Each button 12 is arranged on the base plate 10, pushes for the user, and then carries out the function of user institute desire input.Module 14 backlight is arranged at base plate 10 times, to provide illuminated keyboard 1 luminous light source.
See also Fig. 2, Fig. 2 be among Fig. 1 illuminated keyboard 1 along the profile of X-X line.As shown in Figure 2, module 14 backlight comprises shadow shield 140, light guide plate 142, reflecting plate 144 and luminescence unit 146.Shadow shield 140 is arranged at base plate 10 times.Light guide plate 142 is arranged at shadow shield 140 times.Reflecting plate 144 is arranged at light guide plate 142 times.Luminescence unit 146 is arranged at a side of light guide plate 142, and the light of luminescence unit 146 emissions can project through the direction of light guide plate 142 towards base plate 10.For fear of the edge light leak of light guide plate 142, the edge of shadow shield 140 is close at the edge of reflecting plate 144, and causes the edge of reflecting plate 144 and bottom surface to form height difference H.When the user pushes the button 12 at the edge that is positioned at illuminated keyboard 1, just can produce shaking phenomenon because of the existence of height difference H.
The utility model content
Therefore, one of the purpose of this utility model is to provide a kind of and avoids when pushing the edge to produce rocking the illuminated keyboard of (floating) phenomenon, to address the above problem.
According to an embodiment, illuminated keyboard of the present utility model comprises base plate, a plurality of button and module backlight.A plurality of buttons are arranged on the base plate.Module backlight comprises shadow shield, light guide plate and reflecting plate.Shadow shield is arranged under the base plate.Light guide plate is arranged under the shadow shield.Reflecting plate is arranged under the light guide plate.Shadow shield, light guide plate and reflecting plate stack into the zone line of module backlight.Shadow shield and reflecting plate one of them the edge reflexed and with shadow shield and reflecting plate wherein another stacks into the fringe region of module backlight, zone line and fringe region are with high.
According to illuminated keyboard described in the utility model, module backlight also comprises metallic plate, and metallic plate is arranged under the reflecting plate.Further, metallic plate is an aluminium foil.
According to illuminated keyboard described in the utility model, module backlight also comprises luminescence unit, is arranged at a side of light guide plate, and the light of luminescence unit emission projects through the direction of light guide plate towards base plate.Further, luminescence unit is a light-emittingdiode.
According to another embodiment, illuminated keyboard of the present utility model comprises base plate, a plurality of button and module backlight.A plurality of buttons are arranged on the base plate.Module backlight comprises shadow shield, light guide plate, reflecting plate and metallic plate.Shadow shield is arranged under the base plate.Light guide plate is arranged under the shadow shield.Reflecting plate is arranged under the light guide plate.Metallic plate is arranged under the reflecting plate.Shadow shield, light guide plate, reflecting plate become the zone line of module backlight with stack of metal plates.The edge reflexed of metallic plate and stack into the fringe region of module backlight with shadow shield and reflecting plate, zone line and fringe region are with high.
According to another embodiment, illuminated keyboard of the present utility model comprises base plate, a plurality of button and module backlight.A plurality of buttons are arranged on the base plate.Module backlight comprises shadow shield, light guide plate, reflecting plate and metallic plate.Shadow shield is arranged under the base plate.Light guide plate is arranged under the shadow shield.Reflecting plate is arranged under the light guide plate.Metallic plate is arranged under the reflecting plate.Shadow shield, light guide plate, reflecting plate become the zone line of module backlight with stack of metal plates.The edge reflexed of metallic plate becomes the fringe region of module backlight and is fixed in base plate, and zone line and fringe region are with high.
According to above-mentioned illuminated keyboard, metallic plate is an aluminium foil.Module backlight also comprises luminescence unit, is arranged at a side of light guide plate, and the light of luminescence unit emission projects through the direction of light guide plate towards base plate.Luminescence unit is a light-emittingdiode.
In sum, the utility model utilizes the edge reflexed of shadow shield, the edge reflexed of reflecting plate and/or the edge reflexed of metallic plate, with the difference in height at the keyboard edge of filling up prior art.Therefore, when the user pushed the button at the edge that is positioned at illuminated keyboard, illuminated keyboard of the present utility model can avoid producing shaking phenomenon.
Description of drawings
Fig. 1 is the schematic diagram of the illuminated keyboard of prior art.
Fig. 2 be among Fig. 1 illuminated keyboard along the profile of X-X line.
Fig. 3 is the schematic diagram according to the illuminated keyboard of the utility model one embodiment.
Fig. 4 be among Fig. 3 illuminated keyboard along the profile of Y-Y line.
Fig. 5 is the profile according to the illuminated keyboard of another embodiment of the utility model.
Fig. 6 is the profile according to the illuminated keyboard of another embodiment of the utility model.
Fig. 7 is the profile according to the illuminated keyboard of another embodiment of the utility model.
Fig. 8 is the profile according to the illuminated keyboard of another embodiment of the utility model.
Embodiment
For making the purpose of this utility model, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also Fig. 3, Fig. 3 is the schematic diagram according to the illuminated keyboard 3 of the utility model one embodiment.As shown in Figure 3, illuminated keyboard 3 comprises base plate 30, a plurality of button 32 and module backlight 34.Each button 32 is arranged on the base plate 30, pushes for the user, and then carries out the function of user institute desire input.Module 34 backlight is arranged at base plate 30 times, to provide illuminated keyboard 3 luminous light source.
See also Fig. 4, Fig. 4 be among Fig. 3 illuminated keyboard 3 along the profile of y-y line.As shown in Figure 4, illuminated keyboard 3 comprises circuit board 36 in addition, and button 32 comprises keycap 320, liftable supporter 322 and elastic component 324.Circuit board 36 is arranged on the base plate 30.Liftable supporter 322 and elastic component 324 all are arranged between keycap 320 and the base plate 30.When button 32 was pressed, keycap 320 can be followed the direction vertical moving of liftable supporter 322 towards base plate 30.Elastic force required when elastic component 324 promptly moves up and down as keycap 320 relative base plates 30 is originated.Elastic component 324 can be rubber washer (rubber dome), but not as limit.Have the switch corresponding on the circuit board 36, for example thin film switch (membrane switch) or other triggering property switch with button 32.When keycap 320 is pressed, the switch on the elastic component 324 meeting circuits for triggering plates 36, and then carry out the function that user institute desire is imported.
As shown in Figure 4, module 34 backlight comprises shadow shield 340, light guide plate 342, reflecting plate 344 and luminescence unit 346.Shadow shield 340 is arranged at base plate 30 times.Light guide plate 342 is arranged at shadow shield 340 times.Reflecting plate 344 is arranged at light guide plate 342 times.Luminescence unit 346 is arranged at a side of light guide plate 342, and the light of luminescence unit 346 emissions can project through the direction of light guide plate 342 towards base plate 30.When practical application, luminescence unit 346 can be light-emittingdiode.Shadow shield 340, light guide plate 342 and reflecting plate 344 stack into the zone line A1 of module 34 backlight.The edge reflexed of reflecting plate 344 and stack into the fringe region A2 of module 34 backlight with shadow shield 340.As shown in Figure 4, zone line A1 and fringe region A2 are with high.Therefore, when the user pushed the button 32 at the edge that is positioned at illuminated keyboard 3, illuminated keyboard 3 of the present utility model can avoid producing shaking phenomenon.
See also Fig. 5, Fig. 5 is the profile according to the illuminated keyboard 3 of another embodiment of the utility model.As shown in Figure 5, this embodiment and above-mentioned embodiment main difference part are that the fringe region A2 of module 34 backlight stacks by the edge reflexed of shadow shield 340 and with reflecting plate 344.It should be noted that, the person that has the same numeral among Fig. 5 and Fig. 4, its action principle is roughly the same, repeats no more in this.
See also Fig. 6, Fig. 6 is the profile according to the illuminated keyboard 3 ' of another embodiment of the utility model.As Fig. 4 and shown in Figure 6, the illuminated keyboard 3 ' of this embodiment is that with the illuminated keyboard 3 main difference parts of above-mentioned embodiment module 34 backlight more comprises metallic plate 348 and is arranged at reflecting plate 344 times.When practical application, metallic plate 348 can be aluminium foil.It should be noted that, the person that has the same numeral among Fig. 6 and Fig. 4, its action principle is roughly the same, repeats no more in this.
See also Fig. 7, Fig. 7 is the illuminated keyboard 3 according to another embodiment of the utility model " profile.As Fig. 4 and shown in Figure 7, the illuminated keyboard 3 of this embodiment " be that with the illuminated keyboard 3 main difference parts of above-mentioned embodiment module 34 backlight more comprises metallic plate 348 and is arranged at reflecting plate 344 times.When practical application, metallic plate 348 can be aluminium foil.Shadow shield 340, light guide plate 342, reflecting plate 344 and metallic plate 348 stack into the zone line A1 of module 34 backlight.The edge reflexed of metallic plate 348 and stack into the fringe region A2 of module 34 backlight with shadow shield 340, reflecting plate 344.As shown in Figure 7, zone line A1 and fringe region A2 are with high.It should be noted that, the person that has the same numeral among Fig. 7 and Fig. 4, its action principle is roughly the same, repeats no more in this.
See also Fig. 8, Fig. 8 is the illuminated keyboard 3 ' according to another embodiment of the utility model " profile.As Fig. 7 and shown in Figure 8, the illuminated keyboard 3 ' of this embodiment " with the illuminated keyboard 3 of above-mentioned embodiment " the main difference part is that the edge reflexed of metallic plate 348 becomes the fringe region A2 of module 34 backlight and is fixed in base plate 30.In addition, shadow shield 340, light guide plate 342, reflecting plate 344 and metallic plate 348 stack into the zone line A1 of module 34 backlight.As shown in Figure 8, zone line A1 and fringe region A2 are with high.In other words, the edge that present embodiment utilizes metallic plate 348 is reflexed repeatedly, makes fringe region A2 and zone line A1 with high.It should be noted that, the person that has the same numeral among Fig. 8 and Fig. 7, its action principle is roughly the same, repeats no more in this.
Compared to prior art, the utility model utilizes the edge reflexed of shadow shield, the edge reflexed of reflecting plate and/or the edge reflexed of metallic plate, with the difference in height at the keyboard edge of filling up prior art.Therefore, when the user pushed the button at the edge that is positioned at illuminated keyboard, illuminated keyboard of the present utility model can avoid producing shaking phenomenon.
The utility model is described by above-mentioned related embodiment, yet the foregoing description is only for implementing example of the present utility model.Must be pointed out that the embodiment that has disclosed does not limit scope of the present utility model.On the contrary, change and the retouching done in not breaking away from spirit and scope of the present utility model all belong to scope of patent protection of the present utility model.

Claims (10)

1. illuminated keyboard comprises base plate, module backlight and is arranged on a plurality of buttons on this base plate, and this module backlight comprises:
Shadow shield is arranged under this base plate;
Light guide plate is arranged under this shadow shield; And
Reflecting plate is arranged under this light guide plate;
It is characterized in that, this shadow shield, this light guide plate and this reflecting plate stack into the zone line of this module backlight, this shadow shield and this reflecting plate one of them the edge reflexed and with this shadow shield and this reflecting plate wherein another stacks into the fringe region of this module backlight, this zone line and this fringe region are with high.
2. illuminated keyboard as claimed in claim 1 is characterized in that this module backlight also comprises metallic plate, and this metallic plate is arranged under this reflecting plate.
3. illuminated keyboard as claimed in claim 2 is characterized in that this metallic plate is an aluminium foil.
4. illuminated keyboard as claimed in claim 1 is characterized in that this module backlight also comprises luminescence unit, is arranged at a side of this light guide plate, and the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
5. illuminated keyboard as claimed in claim 4 is characterized in that this luminescence unit is a light-emittingdiode.
6. illuminated keyboard comprises base plate, module backlight and is arranged on a plurality of buttons on this base plate, and this module backlight comprises:
Shadow shield is arranged under this base plate;
Light guide plate is arranged under this shadow shield;
Reflecting plate is arranged under this light guide plate; And
Metallic plate is arranged under this reflecting plate;
It is characterized in that, this shadow shield, this light guide plate, this reflecting plate become the zone line of this module backlight with this stack of metal plates, the edge reflexed of this metallic plate and stack into the fringe region of this module backlight with this shadow shield and this reflecting plate, this zone line and this fringe region are with high.
7. illuminated keyboard comprises base plate, module backlight and is arranged on a plurality of buttons on this base plate, and this module backlight comprises:
Shadow shield is arranged under this base plate;
Light guide plate is arranged under this shadow shield;
Reflecting plate is arranged under this light guide plate; And
Metallic plate is arranged under this reflecting plate;
It is characterized in that this shadow shield, this light guide plate, this reflecting plate become the zone line of this module backlight with this stack of metal plates, the edge reflexed of this metallic plate becomes the fringe region of this module backlight and is fixed in this base plate, and this zone line and this fringe region are with high.
8. as claim 6 or 7 described illuminated keyboards, it is characterized in that this metallic plate is an aluminium foil.
9. as claim 6 or 7 described illuminated keyboards, it is characterized in that this module backlight also comprises luminescence unit, be arranged at a side of this light guide plate, the light of this luminescence unit emission projects through the direction of this light guide plate towards this base plate.
10. illuminated keyboard as claimed in claim 9 is characterized in that this luminescence unit is a light-emittingdiode.
CN2011200286157U 2011-01-22 2011-01-22 Luminous keyboard Expired - Lifetime CN201946480U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200286157U CN201946480U (en) 2011-01-22 2011-01-22 Luminous keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200286157U CN201946480U (en) 2011-01-22 2011-01-22 Luminous keyboard

Publications (1)

Publication Number Publication Date
CN201946480U true CN201946480U (en) 2011-08-24

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011200286157U Expired - Lifetime CN201946480U (en) 2011-01-22 2011-01-22 Luminous keyboard

Country Status (1)

Country Link
CN (1) CN201946480U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664116A (en) * 2012-03-06 2012-09-12 苏州佳值电子工业有限公司 An ultra thin full-reflection conducting aluminum foil plate for a keyboard
CN104882319A (en) * 2015-05-27 2015-09-02 苏州达方电子有限公司 Illuminant keyboard, backlight module and assemblage method of the backlight module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102664116A (en) * 2012-03-06 2012-09-12 苏州佳值电子工业有限公司 An ultra thin full-reflection conducting aluminum foil plate for a keyboard
CN104882319A (en) * 2015-05-27 2015-09-02 苏州达方电子有限公司 Illuminant keyboard, backlight module and assemblage method of the backlight module
CN104882319B (en) * 2015-05-27 2016-08-24 苏州达方电子有限公司 The method for assembling of illuminated keyboard, backlight module and backlight module

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C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20110824

CX01 Expiry of patent term