CN106298330A - Light guide plate and illuminated keyboard - Google Patents
Light guide plate and illuminated keyboard Download PDFInfo
- Publication number
- CN106298330A CN106298330A CN201610885321.3A CN201610885321A CN106298330A CN 106298330 A CN106298330 A CN 106298330A CN 201610885321 A CN201610885321 A CN 201610885321A CN 106298330 A CN106298330 A CN 106298330A
- Authority
- CN
- China
- Prior art keywords
- light
- bar
- light guide
- plate body
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
Landscapes
- Planar Illumination Modules (AREA)
Abstract
A kind of illuminated keyboard, comprises a Keysheet module and a backlight module.This Keysheet module includes a base plate, multiple keyboard that can be arranged at this base plate respectively up or down.This base plate has the through hole of the corresponding described keyboard of multiple difference.This backlight module is arranged at the bottom side of this base plate, and includes a light guide plate and a luminescence unit.This light guide plate has a shading plate body, a guide-lighting plate body, and multiple light source installation space.This shading plate body have a peripheral frame, multiple be arranged in this periphery frame horizontal stroke, mediastinum bar, and multiple matched the light guide zone being separated out by this periphery frame, described horizontal stroke, mediastinum bar.Described light guide zone corresponding described keyboard respectively.This leaded light plate body has multiple guide-lighting block being embedded at described light guide zone respectively.Described light source installation space respectively corresponding described guide-lighting block and respectively multiple light sources for this luminescence unit are arranged.Whereby, light utilization efficiency and optical uniformity can be improved, promote the structural strength that this light guide plate is overall.
Description
Technical field
The present invention relates to a kind of keyboard, particularly relate to a kind of illuminated keyboard.
Background technology
Refering to Fig. 1, being researched and developed and carried Shen by the present patent application power people is TaiWan, China certificate number M525536 patent
The light guide plate 9 of a kind of illuminated keyboard of case, this light guide plate 9 is made up of multiple row leaded light block 91, and each guide-lighting block 91 has multiple general
Self it is separated out the photoconduction of multiple light guide section 911 and blocks space 912, and the corresponding described light guide section 911 of multiple difference and supplying respectively
What one light source (not shown) was arranged light source installation space 913.Described light guide section 911 respectively to should illuminated keyboard many
Individual keyboard (not shown), and described photoconduction blocks space 912 for effectively the light that each light source is sent being limited to each light guide section
Conduction in 911, the luminosity making each light guide section 911 whereby is by single light source control, and not by the shadow of remaining light source
Ring, thus allowing the luminosity of described light guide section 911 is uniformity, level off to the luminosity of each light source, and then make institute
State the luminosity uniformity of the transmittance section of keyboard.
But the described photoconduction of above-mentioned light guide plate 9 blocks light conduction that space 912 is only capable of preventing each light source from being sent to the most non-
Corresponding light guide section 911, and the light that each light source is sent still can be by the side face side leakage of corresponding guide-lighting block 91 so that
The brightness that each light guide section 911 is launched for each keyboard can weaken, thus reduces the light utilization efficiency of each light source.It addition, should
Although light guide plate 9 can connect described guide-lighting block 91 by an outer framework (not shown), but has between described guide-lighting block 91
There is gap, and each guide-lighting block 91 has described photoconduction and blocks space 912 so that the structural strength of this light guide plate 9 entirety is
Deficiency, the most each guide-lighting block 91 is easily bent by external force, and causing this light guide plate 9 entirety is that warpage is uneven, thus affects and be somebody's turn to do
The assembling adaptation of other elements of illuminated keyboard, the shortcoming of the most above-mentioned light guide plate 9 is to be improved.
Summary of the invention
It is an object of the invention to provide a kind of illuminated keyboard at least overcoming shortcoming described in prior art.
The illuminated keyboard of the present invention, comprises a Keysheet module, and a backlight module.
This Keysheet module includes a base plate, multiple keyboard that can be arranged at this base plate respectively up or down.This base plate
There is the through hole of the corresponding described keyboard of multiple difference.Described keyboard lays respectively at above described through hole, and each keyboard has at least
The transmittance section of one through hole the most each.
This backlight module is arranged at the bottom side of this base plate, and includes a light guide plate, and a luminescence unit.This light guide plate
There is a shading plate body, a guide-lighting plate body, and multiple light source installation space.This shading plate body have a peripheral frame,
Multiple be arranged in this periphery frame tabula bar, multiple mediastinum bar being arranged in this periphery frame, and multiple by this periphery
Frame, described tabula bar match with described mediastinum bar the light guide zone being separated out.Described light guide zone corresponding described keyboard respectively.Should
Guide-lighting plate body has multiple guide-lighting block being embedded at described light guide zone respectively.Described light source installation space corresponding described leaded light respectively
Block.This luminescence unit has the light source of multiple described light source installation space being respectively arranged at this light guide plate.
It is preferred that this periphery frame has the spaced left frame bar in left and right and a right moulding, and between the upper and lower every
The upper frame bar arranged and a lower moulding, these upper frame bar two ends are connected to this left frame bar and this right moulding, this lower frame
Bar two ends are connected to this left frame bar and this right moulding, and each tabula bar two ends are connected to this periphery frame, each mediastinum bar
Connect this upper frame bar, this lower moulding and at least one of which of described tabula bar.
It is preferred that each mediastinum bar has one is connected to this upper frame bar, this lower moulding and described tabula bar wherein
The connection end of person, and a free end in contrast to this connection end, this periphery frame match with described tabula bar be separated out many
Row light-guide space, every string light-guide space has the most persons in described light guide zone, and this leaded light plate body also includes multiple connecting respectively
Connecting portion between two adjacent guide-lighting blocks, each connecting portion is embedded at the free end of corresponding mediastinum bar.
It is preferred that described light source installation space is respectively formed between this shading plate body and described guide-lighting block.
It is preferred that described light source installation space is formed at described tabula bar, and the most described guide-lighting block, and neighbouring institute
State the free end of mediastinum bar.
It is preferred that the interlocking face of this shading plate body and this leaded light plate body is non-even surface.
It is preferred that the interlocking face of this shading plate body and this leaded light plate body is non-vertical planes.
It is preferred that the light emitting diode that each light source is a lateral direction light emission.
It is preferred that this luminescence unit also has a bottom surface being arranged at this light guide plate and the circuit arranged for described light source
Plate, this circuit board fits in the peripheral frame of this light guide plate.
The beneficial effects of the present invention is: this light guide plate by the peripheral frame of this shading plate body by the week of this leaded light plate body
Face, around covering, can solve light that the light source of existing illuminated keyboard sent by the side face side leakage problem of light guide plate, can improve
Light utilization efficiency and optical uniformity, and the embedded structure of this light guide plate side face of surrounding this leaded light plate body by this shading plate body sets
Meter, can effectively promote the structural strength that this light guide plate is overall, make this backlight module entirety thickness of slab effectively to reduce, and is conducive to this
The interelement combination configuration of bright illuminated keyboard.
Accompanying drawing explanation
Other the feature of the present invention and effect, will clearly present, wherein in reference to graphic embodiment:
Fig. 1 is a top view of a light guide plate of existing illuminated keyboard, and the structure aspect of this light guide plate is described；
Fig. 2 is a top view of an embodiment of illuminated keyboard of the present invention；
Fig. 3 is the top view of an incomplete decomposed, and the element syntagmatic of this embodiment is described；
Fig. 4 is an incomplete top view, and the element syntagmatic of this embodiment is described；
Fig. 5 is an incomplete sectional view, and the element syntagmatic of this embodiment is described；
Fig. 6 is a top view, and the structure aspect of a light guide plate of this embodiment is described；
Fig. 7 is an incomplete profile, a shading plate body of this light guide plate of this embodiment is described and one lead
The structure aspect in light plate body interlocking face between the two.
Detailed description of the invention
Refering to Fig. 2, Fig. 3 and Fig. 4, an embodiment of illuminated keyboard of the present invention, comprise a Keysheet module 100, and one
Individual backlight module 200.
Refering to Fig. 3, Fig. 4 and Fig. 5, this Keysheet module 100 includes a base plate 1, multiple keyboard 2, and a transparent circuitry
Film 3.This base plate 1 includes 11, bottom surface 12 in contrast to this end face 11 of an end face, and multiple separately and run through this end face
11 and the through hole 13 of this bottom surface 12.
Described keyboard 2 is arranged at this end face 11 and the corresponding described through hole 13 of difference of this base plate 1.Each keyboard 2 has at least
The transmittance section 21 of one through hole 13 the most each.This transmittance section 21 of each keyboard 2 is the alphabetic character that each keyboard 2 to be shown.
This transparent circuitry film 3 is arranged at this end face 11 of this base plate 1 and is positioned at below described keyboard 2.In the present embodiment, each keyboard 2
It is can be arranged at this base plate 1 up or down by a scissor supporting mechanism 22 and an elastic component 23, and by being somebody's turn to do
Elastic component 23 touches and supports this transparent circuitry film 3 generation triggering signal.But, the element composition of this Keysheet module 100 above-mentioned and element
Structure aspect is prior art, does not repeats them here, and is not limited disclosed in present invention disclosure.
This backlight module 200 is arranged at this bottom surface 12 of this base plate 1 and contains described through hole 13 and be positioned at described keyboard 2
Lower section, is used for for described keyboard 2 throw light.This backlight module 200 includes 4, light guide plate of a brake sack 5,
Reflecting component 6, and a luminescence unit 7.
This brake sack 4 is arranged at this bottom surface 12 of this base plate 1, and includes the top of this bottom surface 12 of this base plate 1 relative
41, one, face is in contrast to the bottom surface 42 of this end face 41, the transparent area 43 of the corresponding described through hole 13 of multiple difference.
Refering to Fig. 4, Fig. 5 and Fig. 6, this light guide plate 5 is arranged at this bottom surface 42 of this brake sack 4 and has this screening relative
The end face of this bottom surface 42 of tabula rasa 4 51, one is in contrast to 52, one, bottom surface, 53, light guide plate of shading plate body of this end face 51
Body 54 and multiple light source installation space 55.
This shading plate body 53 made by light tight material, the acrylonitrile-butadiene-styrene copolymer of such as black
(ABS), and include a peripheral frame 530, multiple be arranged in this periphery frame 530 tabula bar 531, multiple be arranged on this
Mediastinum bar 532 in peripheral frame 530, and multiple row matches with described tabula bar 531 by this periphery frame 530 leading of being separated out
Light space 533.
This periphery frame 530 has the spaced left frame bar 534 in left and right and a right moulding 535, and between the upper and lower
Every the upper frame bar 536 arranged and a lower moulding 537, these upper frame bar 536 two ends are connected to this left frame bar 534 and are somebody's turn to do
Right moulding 535, these lower moulding 537 two ends are connected to this left frame bar 534 and this right moulding 535.Each tabula bar 531 two ends are divided
It is not connected to this periphery frame 530.Described mediastinum bar 532 is respectively from this upper frame bar 536, this lower moulding 537 and described tabula bar
The one of which of 531 extends into described light-guide space 533.Each mediastinum bar 532 have one be connected to this upper frame bar 536,
This lower moulding 537 and the connection end 538 of described tabula bar 531 one of which, and a free end in contrast to this connection end 538
539。
There is in each row light-guide space 533 described mediastinum bar more than 532 person, and be separated out many by described mediastinum bar 532
Individual light guide zone 5331.Described light guide zone 5331 corresponding described keyboard 2 respectively.
In the present embodiment, described tabula bar 531 adjacent to the one of this lower moulding 537 be connected to this left frame bar 534,
This lower moulding 537 and this right moulding 535, two ends corresponding to described tabula bar 531 its remainder person are then connected to this left frame bar
534 and this right moulding 535, but be not limited, the annexation of described tabula bar 531 and this periphery frame 530 can be according to institute
State the configuration of keyboard 2 and be varied from, as the two ends of described tabula bar 531 are all connected to this left frame bar 534 and this right frame
Bar 535.
This leaded light plate body 54 made by light-transmitting materials, the Merlon (PC) of such as printing opacity, and include that multiple difference is embedding
It is located at the guide-lighting block 541 of described light guide zone 5331, and multiple connecting portion 542 being connected between two adjacent guide-lighting blocks 541.
Each connecting portion 542 is embedded at the free end 539 of corresponding mediastinum bar 532.The thickness of this leaded light plate body 54 is not higher than this shading
The thickness of plate body 53.This leaded light plate body 54 can be via two-color injection molding (bi-injection with this both shading plate body 53
Molding), implant the processing procedures such as ejection formation (embedded injection molding) to be fabricated by.In the present embodiment,
This leaded light plate body 54 is identical with the thickness of this both shading plate body 53, and both end faces flush and bottom surface flushes, but not with this
Being limited, when the thickness of this leaded light plate body 54 is less than the thickness of this shading plate body 53, the top of this leaded light plate body 54, bottom surface are the most extremely
Few one is that depression is positioned at corresponding light guide zone 5331.
The most corresponding described guide-lighting block 541 of described light source installation space 55.In the present embodiment, described light source installation space
55 are formed at described tabula bar 531, and the most described guide-lighting block 541, and the free end 539 of neighbouring described mediastinum bar 532,
But being not limited, described light source installation space 55 also can be respectively formed in described guide-lighting block 541.
It is noted that the free end 539 of the described mediastinum bar 532 of this shading plate body 53 also can connect this upper ledge respectively
Bar 536, this lower moulding 537 and described tabula bar 531 one of which, and this leaded light plate body 54 only have be embedded at respectively described in lead
The described guide-lighting block 541 in light district 5331, the position that arranges of described light source installation space 55 is not limited with above-mentioned, it is possible to arrange
In any one position of this periphery frame 530, corresponding described guide-lighting block 541 can be distinguished.
Other one is mentioned that, in order to improve this shading plate body 53 and this leaded light plate body 54 build-in force between the two and the most mutual
Departing from, this shading plate body 53 is the non-even surface with concaveconvex structure etc. with the interlocking face of this both leaded light plate body 54, or two
The interlocking face of person is inclined-plane, and the vertical that non-parallel thickness direction extends, or non-smooth inclined-plane (see Fig. 7).
This reflecting component 6 covers this bottom surface 52 being arranged at this light guide plate 5, and has the setting of multiple difference corresponding described light source
The light source perforation 61 in space 55.In the present embodiment, this reflecting component 6 is a reflecting piece, but is not limited, it is possible to be one
It is attached to the reflexed light film of this bottom surface 52 of this light guide plate 5.
This luminescence unit 7 includes a circuit board 71 being arranged at this reflecting component 6 bottom side, and multiple is arranged at this circuit board
The light source 72 of 71.Described light source 72 is arranged in the described light source perforation 61 of this reflecting component 6 respectively and is respectively arranged at this light guide plate 5
Described light source installation space 55.The light that each light source 72 is sent conducts in being limited to each guide-lighting block 541 by this shading plate body 53.
In the present embodiment, each light source 72 is the light emitting diode (LED) of a lateral direction light emission, and has sending out less than 180 degree
Angular.
Wherein, under the lighting angle having determined that each light source 72, the extended state of the mediastinum bar 532 of this shading plate body 53 above-mentioned
Sample and with each light source 72 be oppositely arranged position be through calculating obtained by, thus this shading plate body 53 non-for close around respectively
In the case of guide-lighting block 541, can be used for the light that each light source 72 is sent is limited to conduction in each guide-lighting block 541, without
Outwards derive via the connecting portion 542 between two adjacent guide-lighting blocks 541.
Through as shown in the above description, illuminated keyboard of the present invention is by this shading plate body 53 of this light guide plate 5 and this light guide plate
The structure design of body 54, namely this shading plate body 53 is the side face of each guide-lighting block 541 surrounding this leaded light plate body 54, and being used for will
The light that respectively this light source 72 is sent is confined to conduction in each guide-lighting block 541, and is only capable of by each guide-lighting top of block 541, bottom surface outside
Injection, then coordinate the light source of an a guide-lighting block 541 corresponding light source 72 that design is set so that the luminance of each guide-lighting block 541
Degree is to be controlled by single light source 72, and is not affected by remaining light source 72, thus allows the luminosity of described guide-lighting block 541 be
Uniformity, levels off to the luminosity of each light source 72, and then makes the luminosity uniform of the transmittance section 21 of described keyboard 2
Causing, thus when allowing illuminated keyboard of the present invention in the dark use, user can the alphabetic character on each keyboard of identification 2 more easily.
Furthermore, this light guide plate 5 by the peripheral frame 530 of this shading plate body 53 by the side face of this leaded light plate body 54 around screening
Cover, light that the light source of existing illuminated keyboard sent can be solved by the side face side leakage problem of light guide plate, to improve each light source 72
Light utilization efficiency, and this light guide plate 5 set with the embedded structure that this leaded light plate body 54 is through-thickness by this shading plate body 53
Meter, can effectively promote the structural strength of this light guide plate 5 entirety, illuminated keyboard the most of the present invention interelement combination configuration.
It is only capable of by each guide-lighting top of block 541, the end it addition, the light that each light source 72 is sent can be limited at this light guide plate 5
In the case of facing out injection, illuminated keyboard of the present invention then can omit be arranged between this Keysheet module 100 and this light guide plate 5 should
Brake sack 4, and also can omit the reflecting component 6 between this circuit board 71 being arranged at this light guide plate 5 and this luminescence unit 7, and allow not
This bottom surface 52 of this light guide plate 5 is close to by this circuit board 71 of printing opacity, and the periphery of this circuit board 71 is to extend to this dark slide
This periphery frame 530 of body 53 and fit in this periphery frame 530 so that it is anti-that this circuit board 71 also can reach to be approximately identical to this
Reflective effect of light part 6.It is to say, this light guide plate 5 makes the overall thickness of slab of this backlight module 200 effectively to reduce.
In sum, illuminated keyboard of the present invention can reach the purpose of the present invention really.
The above, only embodiments of the invention, when not limiting, with this, the scope that the present invention implements, the most all depend on
The simple equivalence that claims of the present invention and description are made changes and modifies, and the most still belongs to the scope of the present invention.
Claims (10)
1. a light guide plate, for a Keysheet module with multiple keyboard, it is characterised in that: this light guide plate comprises:
One shading plate body, including a peripheral frame, multiple be arranged in this periphery frame tabula bar, multiple be arranged on this
Mediastinum bar in peripheral frame, and multiple leading of being separated out of being matched with described mediastinum bar by this periphery frame, described tabula bar
Light district, described light guide zone corresponding described keyboard respectively；
One guide-lighting plate body, including multiple guide-lighting blocks being embedded at described light guide zone respectively；And
Multiple light source installation spaces, the most corresponding described guide-lighting block.
Light guide plate the most according to claim 1, it is characterised in that: this periphery frame has a spaced left side, left and right
Moulding and a right moulding, and the most spaced upper frame bar and a lower moulding, these upper frame bar two ends connect respectively
In this left frame bar and this right moulding, these lower moulding two ends are connected to this left frame bar and this right moulding, and each tabula bar two ends are divided
Not being connected to this periphery frame, each mediastinum bar connects this upper frame bar, this lower moulding and at least one of which of described tabula bar.
Light guide plate the most according to claim 2, it is characterised in that: each mediastinum bar has one and is connected to this upper ledge
Bar, this lower moulding and the connection end of described tabula bar one of which, and a free end in contrast to this connection end, this periphery sides
Frame matches with described tabula bar and is separated out multiple row light-guide space, and every string light-guide space has the most persons in described light guide zone,
This leaded light plate body also includes multiple connecting portion being connected between two adjacent guide-lighting blocks, and each connecting portion is embedded at corresponding
The free end of mediastinum bar.
Light guide plate the most according to claim 3, it is characterised in that: described light source installation space is respectively formed in this dark slide
Between body and described guide-lighting block.
Light guide plate the most according to claim 4, it is characterised in that: described light source installation space is formed at described tabula bar,
And the most described guide-lighting block of difference, and the free end of neighbouring described mediastinum bar.
Light guide plate the most according to claim 1, it is characterised in that: this shading plate body and the interlocking face of this leaded light plate body
For non-even surface.
Light guide plate the most according to claim 1, it is characterised in that: this shading plate body and the interlocking face of this leaded light plate body
For non-vertical planes.
8. an illuminated keyboard, comprises a Keysheet module and a backlight module, and this Keysheet module includes a base plate, multiple
Can be arranged at the keyboard of this base plate respectively up or down, this base plate has the through hole of the corresponding described keyboard of multiple difference, described
Keyboard lays respectively at above described through hole, and each keyboard has the transmittance section of at least one the most each through hole, and this backlight module sets
It is placed in the bottom side of this base plate, and includes a light guide plate and a luminescence unit, it is characterised in that:
This light guide plate, has a shading plate body, a guide-lighting plate body and multiple light source installation space, and this shading plate body has one
Individual peripheral frame, multiple be arranged in this periphery frame tabula bar, multiple mediastinum bar being arranged in this periphery frame, and many
The individual light guide zone being separated out of being matched with described mediastinum bar by this periphery frame, described tabula bar, described light guide zone correspondence respectively
Described keyboard, this leaded light plate body has multiple guide-lighting block being embedded at described light guide zone respectively, and described light source installation space is respectively
Corresponding described guide-lighting block；
This luminescence unit has the light source of multiple described light source installation space being respectively arranged at this light guide plate.
Illuminated keyboard the most according to claim 8, it is characterised in that: each light source is the light-emitting diodes of a lateral direction light emission
Pipe.
Illuminated keyboard the most according to claim 9, it is characterised in that: this luminescence unit also has one and is arranged at this and leads
The circuit board that the bottom surface of tabula rasa and the described light source of confession are arranged, this circuit board fits in the peripheral frame of this light guide plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885321.3A CN106298330A (en) | 2016-10-11 | 2016-10-11 | Light guide plate and illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610885321.3A CN106298330A (en) | 2016-10-11 | 2016-10-11 | Light guide plate and illuminated keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106298330A true CN106298330A (en) | 2017-01-04 |
Family
ID=57718125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610885321.3A Pending CN106298330A (en) | 2016-10-11 | 2016-10-11 | Light guide plate and illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298330A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10838136B1 (en) | 2019-09-20 | 2020-11-17 | Chicony Power Technology Co., Ltd. | Illuminating keyboard |
| CN113646726A (en) * | 2019-04-10 | 2021-11-12 | 戴尔产品有限公司 | Information handling system keyboard discrete line illumination |
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| CN201780913U (en) * | 2010-03-31 | 2011-03-30 | 苏州达方电子有限公司 | Luminous keyboard |
| US20110298717A1 (en) * | 2010-06-08 | 2011-12-08 | Sunrex Technology Corp. | Keyboard with replaceable layout sheet |
| 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 |
| CN104201031A (en) * | 2014-08-27 | 2014-12-10 | 苏州达方电子有限公司 | Light emitting keyboard |
| CN105487168A (en) * | 2016-02-04 | 2016-04-13 | 上海向隆电子科技有限公司 | Light guide plate with regional light outlet and manufacturing method thereof |
| TWM525536U (en) * | 2016-03-31 | 2016-07-11 | Sunrex Technology Corp | Backlight module and light keyboard |
| CN205542526U (en) * | 2016-02-01 | 2016-08-31 | 群光电能科技股份有限公司 | Keyboard backlight module |
| CN205609408U (en) * | 2016-04-28 | 2016-09-28 | 精元电脑股份有限公司 | Backlight module and luminous keyboard |
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201780913U (en) * | 2010-03-31 | 2011-03-30 | 苏州达方电子有限公司 | Luminous keyboard |
| US20110298717A1 (en) * | 2010-06-08 | 2011-12-08 | Sunrex Technology Corp. | Keyboard with replaceable layout sheet |
| 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 |
| CN104201031A (en) * | 2014-08-27 | 2014-12-10 | 苏州达方电子有限公司 | Light emitting keyboard |
| CN205542526U (en) * | 2016-02-01 | 2016-08-31 | 群光电能科技股份有限公司 | Keyboard backlight module |
| CN105487168A (en) * | 2016-02-04 | 2016-04-13 | 上海向隆电子科技有限公司 | Light guide plate with regional light outlet and manufacturing method thereof |
| TWM525536U (en) * | 2016-03-31 | 2016-07-11 | Sunrex Technology Corp | Backlight module and light keyboard |
| CN205609408U (en) * | 2016-04-28 | 2016-09-28 | 精元电脑股份有限公司 | Backlight module and luminous keyboard |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113646726A (en) * | 2019-04-10 | 2021-11-12 | 戴尔产品有限公司 | Information handling system keyboard discrete line illumination |
| CN113646726B (en) * | 2019-04-10 | 2023-12-29 | 戴尔产品有限公司 | Discrete row illumination for information handling system keyboard |
| US10838136B1 (en) | 2019-09-20 | 2020-11-17 | Chicony Power Technology Co., Ltd. | Illuminating keyboard |
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Application publication date: 20170104 |