CN103150027B - Backing structure and illuminated keyboard - Google Patents
Backing structure and illuminated keyboard Download PDFInfo
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- CN103150027B CN103150027B CN201310045684.2A CN201310045684A CN103150027B CN 103150027 B CN103150027 B CN 103150027B CN 201310045684 A CN201310045684 A CN 201310045684A CN 103150027 B CN103150027 B CN 103150027B
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- circuit board
- pad
- guide plate
- light guide
- light
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Abstract
The present invention is about a kind of backing structure and the illuminated keyboard with this backing structure.This backing structure comprises back up pad, light guide plate, flexible electric circuit board and light-emitting component.A plurality of press-key structures of this illuminated keyboard are arranged in this back up pad.This light guide plate to be arranged under this back up pad and to have the first through hole and side portion.This flexible electric circuit board to be attached on the lower surface of this light guide plate and the basal surface of this back up pad simultaneously and to cover this side portion.This light-emitting component to be arranged on this flexible electric circuit board and to be positioned at this first through hole.By this, this flexible electric circuit board also can be used as the light-shielding structure of the side portion of this light guide plate, therefore reflecting piece is without the need to hiding the side portion of this light guide plate and this flexible electric circuit board in case leak-stopping light simultaneously, and only need to be attached on the lower surface of this light guide plate, such structural design contributes to the reduction of this backing structure thickness.
Description
Technical field
The present invention relates to a kind of backing structure and illuminated keyboard, especially a kind ofly include light guide plate and be arranged at the backing structure of the light-emitting component inside light guide plate and there is the illuminated keyboard of this backing structure.
Background technology
Known illuminated keyboard uses the combination of light guide plate and light-emitting component as backlight mostly, when light-emitting component is arranged at the inner side of light guide plate, the hollow part of such as this light guide plate, then the flexible electric circuit board now carrying out being electrically connected with light-emitting component need be arranged under this light guide plate.In addition, in order to increase the utilization factor of light, illuminated keyboard also comprises reflecting piece, and reflecting piece is also arranged under this light guide plate.The phenomenon of light leak may be there is in the side in order to avoid light guide plate, the lower surface of the usual complete covering light guide plate of reflecting piece and all sides, but so, reflecting piece also needs this flexible electric circuit board coated in the lump, make this reflecting piece in the relative projection in the position of this flexible electric circuit board coated, that is, the thickness of the backing structure of this illuminated keyboard at least comprise light guide plate, flexible electric circuit board and reflecting piece thickness add up.Therefore in this backlight framework, the phenomenon that the thickness of light guide plate, flexible electric circuit board and reflecting piece adds up has become one of bottleneck of illuminated keyboard reduced down in thickness.
Summary of the invention
In view of the problem in prior art, an object of the present invention is to provide a kind of backing structure, its flexible electric circuit board also can prevent the side light leakage of light guide plate, and then contribute to the reduction of one-piece construction thickness, break through structural member thickness in known backing structure add up cause backing structure be difficult to reduce bottleneck.
In order to achieve the above object, the present invention proposes a kind of backing structure, and for illuminated keyboard, this illuminated keyboard also comprises a plurality of press-key structure, and this backing structure comprises back up pad, light guide plate, flexible electric circuit board and light-emitting component.Wherein, this plurality of press-key structure is arranged in this back up pad; This light guide plate is arranged under this back up pad, and this light guide plate has the first through hole and side portion; This flexible electric circuit board is attached on the lower surface of this light guide plate and the basal surface of this back up pad simultaneously, and this flexible electric circuit board covers this side portion of this light guide plate; This light-emitting component to be arranged on this flexible electric circuit board and to be positioned at this first through hole.
As optional technical scheme, this light-emitting component has side exiting surface, and this side exiting surface is towards the interior sidewall surface of this first through hole.
As optional technical scheme, this back up pad has yielding space, and this first through hole is just to this yielding space, and this light-emitting element part is placed in this yielding space.
As optional technical scheme, this back up pad has ridge structure, and this ridge structure is for the formation of this yielding space; Or this back up pad has hollow out, this hollow out is for the formation of this yielding space.
As optional technical scheme, this backing structure also comprises reflecting piece, and this reflecting piece is attached on this lower surface of this light guide plate.
As optional technical scheme, this reflecting piece is close to this flexible electric circuit board.
Backing structure of the present invention directly uses flexible electric circuit board to cover the side portion of light guide plate, and light guide plate can be prevented in the light leakage phenomena at this side portion place, and reflecting piece is namely without the need to hiding this side portion more simultaneously.Reflecting piece can be close to the lower surface that flexible electric circuit board is covered on light guide plate, thus, also can prevent the light leakage phenomena of light guide plate between reflecting piece and flexible electric circuit board.Therefore, compared to prior art, the reflecting piece of backing structure of the present invention is without the need to hiding flexible electric circuit board, therefore the structural thickness of backing structure can be reduced, the thickness that the thickness breaching known backing structure at least comprises the structural members such as light guide plate, flexible electric circuit board and reflecting piece adds up the bottleneck that caused backing structure thickness is difficult to reduce.
In addition, the present invention also proposes a kind of illuminated keyboard, and this illuminated keyboard comprises backing structure and a plurality of press-key structure.This backing structure comprises back up pad, light guide plate, flexible electric circuit board and light-emitting component.Wherein, this plurality of press-key structure is arranged in this back up pad; This light guide plate is arranged under this back up pad, and this light guide plate has the first through hole and side portion; This flexible electric circuit board is attached on the lower surface of this light guide plate and the basal surface of this back up pad simultaneously, and this flexible electric circuit board covers this side portion of this light guide plate; This light-emitting component to be arranged on this flexible electric circuit board and to be positioned at this first through hole.
As optional technical scheme, this light-emitting component has side exiting surface, and this side exiting surface is towards the interior sidewall surface of this first through hole.
As optional technical scheme, this back up pad has yielding space, and this first through hole is just to this yielding space, and this light-emitting element part is placed in this yielding space.
As optional technical scheme, this back up pad has ridge structure, and this ridge structure is for the formation of this yielding space; Or this back up pad has hollow out, this hollow out is for the formation of this yielding space.
As optional technical scheme, this backing structure also comprises reflecting piece, and this reflecting piece is attached on this lower surface of this light guide plate.
As optional technical scheme, this reflecting piece is close to this flexible electric circuit board.
As optional technical scheme, this illuminated keyboard also comprises film circuit board, and this film circuit board is arranged on this back up pad, and this film circuit board has the second through hole, and this ridge structure part of this back up pad is placed in this second through hole.
Illuminated keyboard of the present invention directly uses flexible electric circuit board to cover the side portion of light guide plate, and light guide plate can be prevented in the light leakage phenomena at this side portion place, and reflecting piece is namely without the need to hiding this side portion more simultaneously.Reflecting piece can be close to the lower surface that flexible electric circuit board is covered on light guide plate, thus, also can prevent the light leakage phenomena of light guide plate between reflecting piece and flexible electric circuit board.Therefore, compared to prior art, the reflecting piece of backing structure of the present invention is without the need to hiding flexible electric circuit board, therefore the structural thickness of backing structure can be reduced, the thickness that the thickness breaching known backing structure at least comprises the structural members such as light guide plate, flexible electric circuit board and reflecting piece adds up the bottleneck that caused backing structure thickness is difficult to reduce.
In addition, the present invention also proposes a kind of illuminated keyboard, and this illuminated keyboard comprises back up pad, a plurality of press-key structure, light guide plate, flexible electric circuit board, light-emitting component and reflecting piece.Wherein, this plurality of press-key structure is arranged in this back up pad; This light guide plate is arranged under this back up pad, and the lower surface of this light guide plate comprises first area and second area, and this first area is close to this second area, this first area has the first through hole; This flexible electric circuit board is complete to be covered on this first area; This light-emitting component to be arranged on this flexible electric circuit board and to be positioned at this first through hole, and this light-emitting component provides illumination light and injects in this light guide plate by this illumination light; This reflecting piece is complete to be covered on this second area; This illumination light that this first area and this second area depart from this light guide plate is reflected back in this light guide plate by this reflecting piece and this flexible electric circuit board.As optional technical scheme, this back up pad has yielding space, and this yielding space is just to this first through hole, and this light-emitting element part is placed in this yielding space.
As optional technical scheme, this back up pad has yielding space, and this yielding space is just to this first through hole, and this light-emitting element part is placed in this yielding space.
As optional technical scheme, this illuminated keyboard also comprises film circuit board, this film circuit board is arranged on this back up pad, wherein, this back up pad has ridge structure, this ridge structure is for the formation of this yielding space, and this film circuit board has the second through hole, and this ridge structure part is placed in this second through hole.
As optional technical scheme, this back up pad has hollow out, and this hollow out is for the formation of this yielding space.
Illuminated keyboard of the present invention directly uses flexible electric circuit board to cover the side portion of light guide plate, and light guide plate can be prevented in the light leakage phenomena at this side portion place, and reflecting piece is namely without the need to hiding this side portion more simultaneously.Reflecting piece can be close to the lower surface that flexible electric circuit board is covered on light guide plate, thus, also can prevent the light leakage phenomena of light guide plate between reflecting piece and flexible electric circuit board.Therefore, compared to prior art, the reflecting piece of backing structure of the present invention is without the need to hiding flexible electric circuit board, therefore the structural thickness of backing structure can be reduced, the thickness that the thickness breaching known backing structure at least comprises the structural members such as light guide plate, flexible electric circuit board and reflecting piece adds up the bottleneck that caused backing structure thickness is difficult to reduce.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a preferred embodiment of illuminated keyboard of the present invention;
Fig. 2 is the diagrammatic cross-section of X-X along the line in Fig. 1;
Fig. 3 is the diagrammatic cross-section of another embodiment of illuminated keyboard of the present invention.
Embodiment
Refer to Fig. 1 and Fig. 2, Fig. 1 is the schematic diagram of a preferred embodiment of illuminated keyboard of the present invention, and Fig. 2 is the diagrammatic cross-section of X-X along the line in Fig. 1.Illuminated keyboard 1 comprises housing 12, be placed in backing structure 14 in housing 12 and a plurality of press-key structure 16.Press-key structure 16 is exposed to housing 12 for user's pressing operation.Backing structure 14 comprises back up pad 142, light guide plate 144, reflecting piece 146, flexible electric circuit board 148 and light-emitting component 150.Each press-key structure 16 to be arranged in back up pad 142 and to comprise keycap 162, elevating mechanism 164, Elastic Circular prominent 166 and switch 168.Keycap 162 to be arranged on back up pad 142 and to be exposed to housing 12, and elevating mechanism 164 connects keycap 162 and back up pad 142, and keycap 162 can be moved up and down relative to back up pad 142 via elevating mechanism 164.Elastic Circular prominent 166 is arranged at below keycap 162, switch 168 is arranged at below Elastic Circular prominent 166, when keycap 162 is pressed down, Elastic Circular prominent 166 can be extruded with trigger switch 168, because elastic deformation occurs Elastic Circular when keycap 162 presses down prominent 166, therefore when keycap 162 is released, the Elastic Circular prominent 166 of elastic deformation produces back stretch, this back stretch orders about keycap 162 and moves up, and returns back to original position.In practical operation, this plurality of switch 168 makes formation on a film circuit board 18, but the present invention is not as limit.
Light guide plate 144 is arranged under back up pad 142, and light guide plate 144 has the first through hole 1442 and side portion 1444.Flexible electric circuit board 148 to be attached on the lower surface 1446 of light guide plate 144 and the basal surface 1421 of back up pad 142 simultaneously and to cover the side portion 1444 of light guide plate 144, and wherein, flexible electric circuit board 148 is not limited completely closely to attach side portion 1444.Light-emitting component 150 to be arranged on flexible electric circuit board 148 and to be positioned at the first through hole 1442, and what light-emitting component 150 was provided can enter into light guide plate 144 for the light (or claiming illumination light) thrown light on.By this, the present invention directly utilizes flexible electric circuit board 148 to prevent light guide plate 144 in the light leakage phenomena at side portion 1444 place, without the need to arranging another shading element to prevent light leak, such as, covers light guide plate side with reflecting piece in known techniques.Therefore, backing structure 14 can be less than the thickness at the corresponding position of backing structure of known techniques in thickness herein, and this is designed with the slimming design being beneficial to keyboard.In addition, reflecting piece 146 is attached on the lower surface 1446 of light guide plate 144, and next-door neighbour's flexible electric circuit board 148, by this, the light leak of light guide plate 144 in lower surface 1446 place also can be avoided.From the opposing party, lower surface 1446 comprises first area 1446a and second area 1446b, first area 1446a is close to second area 1446b, in practical operation, first area 1446a is usually located at the fringe region of lower surface 1446, second area 1446b then may be defined as other regions of non-first area 1446a in lower surface 1446, but the present invention is not as limit.Wherein, first area 1446a has the first through hole 1442, flexible electric circuit board 148 essence is complete to be covered on the 1446a of first area, then essence is complete is covered on second area 1446b for reflecting piece 146, and the illumination luminous energy departing from light guide plate 144 by this on first area 1446a and second area 1446b is reflected back in light guide plate 144.Therefore, the reflecting piece 146 of backing structure 14 and flexible electric circuit board 148 can prevent light guide plate 144 in the light leakage phenomena at lower surface 1446 and side portion 1444 place without the need to overlapping, therefore the thickness of backing structure 14 can be less than the thickness of the backing structure of known techniques, be conducive to keyboard slimming design.
In the present invention, flexible electric circuit board is except maintaining the electrical functionality of itself, also can be used as the light-shielding structure of the side portion of light guide plate, therefore reflecting piece is without the need to hiding the side portion of light guide plate and flexible electric circuit board in case leak-stopping light simultaneously, and can only be attached on the lower surface of light guide plate, reflection ray can be played, avoid the function of light leak, contribute to the reduction of backing structure thickness.
In the present embodiment, light-emitting component 150 adopts side light-emitting type, it has side exiting surface 1502, this side exiting surface 1502 is towards the interior sidewall surface 1442a of the first through hole 1442, and the major part in the light (i.e. illumination light) that light-emitting component 150 is launched from side exiting surface 1502 can enter in light guide plate 144 via interior sidewall surface 1442a.Generally speaking, the light-emitting component 150 of side light-emitting type is highly higher, and when the thickness of light guide plate 144 is relatively thin, the structural member above light guide plate 144 need be made a concession to avoid constructive interference.In the present embodiment, the back up pad 142 be arranged at above light guide plate 144 has ridge structure 1422, and this ridge structure is for the formation of yielding space 1424, and this yielding space 1424 is just to the first through hole 1442.Light-emitting component 150 can partly be placed in be made a concession in space 1424, to avoid constructive interference.In practical operation, in order to avoid the setting due to ridge structure 1422, make to be arranged at the position projection film circuit board 18 above back up pad 142 corresponding to ridge structure 1422 place, film circuit board 18 can form the second through hole 182 in corresponding ridge structure 1422 place, ridge structure 1422 part is placed in the second through hole 182, causes the phenomenon of film circuit board 18 projection to avoid constructive interference.
Refer to Fig. 3, it is the diagrammatic cross-section of another embodiment of illuminated keyboard of the present invention, and the line X-X in Fig. 1 can be consulted in its tangent plane position.Illuminated keyboard 3 is roughly the same with illuminated keyboard 1 structure, therefore illuminated keyboard 3 still continues to use the component symbol of illuminated keyboard 1.Illuminated keyboard 3 and illuminated keyboard 1 main difference part are, in the structure of illuminated keyboard 3, the yielding space 1425 of back up pad 142 is directly formed in the mode of hollow out 1423, and light-emitting component 150 part is placed in the yielding space 1425 of hollow out 1423 formation.Therefore, the back up pad 142 of illuminated keyboard 3 is without the need to having as the ridge structure 1422 in illuminated keyboard 1, and the film circuit board 18 of illuminated keyboard 3 is also without the need to forming the second through hole 182 as illuminated keyboard 1 again.Supplementary notes, in the present embodiment, generally speaking, the enough accommodating light-emitting components 150 of the accommodation space that the first through hole 1442 of light guide plate 144 and the hollow out 1423 of back up pad 142 are formed, film circuit board 18 is dodged without the need to forming through hole again; But the present invention is not as limit.
As aforementioned explanation, backing structure of the present invention and illuminated keyboard directly use flexible electric circuit board to cover the side portion of light guide plate, light guide plate can be prevented in the light leakage phenomena at this side portion place, reflecting piece without the need to hiding the side portion of light guide plate and flexible electric circuit board again in case leak-stopping light simultaneously, therefore can reduce the structural thickness of backing structure.Reflecting piece can be close to the lower surface that flexible electric circuit board is covered on light guide plate, thus, also can prevent the light leakage phenomena of light guide plate between reflecting piece and flexible electric circuit board.Therefore, compared to prior art, backing structure of the present invention and illuminated keyboard are under the requirement preventing light leak, still can break through in known backlight framework, the thickness that its structural thickness at least comprises the structural members such as light guide plate, flexible electric circuit board and reflecting piece adds up the bottleneck that caused structural thickness is difficult to reduce.
Certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection domain that all should belong to the claim appended by the present invention.
Claims (10)
1. a backing structure, for illuminated keyboard, this illuminated keyboard also comprises a plurality of press-key structure, it is characterized in that this backing structure comprises:
Back up pad, this plurality of press-key structure is arranged in this back up pad;
Light guide plate, is arranged under this back up pad, and this light guide plate has the first through hole and side portion, and the lower surface of this light guide plate comprises first area and second area, and this first area is close to this second area;
Flexible electric circuit board, this flexible electric circuit board is attached on this first area of this lower surface and the basal surface of this back up pad simultaneously, and this flexible electric circuit board covers this side portion of this light guide plate;
Reflecting piece, is attached at this second area of this lower surface, and this reflecting piece is close to this flexible electric circuit board and both are not overlapping; And
Light-emitting component, to be arranged on this flexible electric circuit board and to be positioned at this first through hole.
2. backing structure according to claim 1, is characterized in that: this light-emitting component has side exiting surface, and this side exiting surface is towards the interior sidewall surface of this first through hole.
3. backing structure according to claim 1, is characterized in that: this back up pad has yielding space, and this first through hole is just to this yielding space, and this light-emitting element part is placed in this yielding space.
4. backing structure according to claim 3, is characterized in that: this back up pad has ridge structure, and this ridge structure is for the formation of this yielding space; Or this back up pad has hollow out, this hollow out is for the formation of this yielding space.
5. an illuminated keyboard, is characterized in that this illuminated keyboard comprises:
Backing structure in Claims 1-4 described in any one claim.
6. illuminated keyboard according to claim 5, it is characterized in that: this illuminated keyboard also comprises film circuit board, this film circuit board is arranged on this back up pad, wherein, this back up pad has ridge structure, this film circuit board has the second through hole, and this ridge structure part of this back up pad is placed in this second through hole.
7. an illuminated keyboard, is characterized in that this illuminated keyboard comprises:
Back up pad;
A plurality of press-key structure, is arranged in this back up pad;
Light guide plate, is arranged under this back up pad, and the lower surface of this light guide plate comprises first area and second area, and this first area is close to this second area, this first area has the first through hole;
Flexible electric circuit board, is completely covered on this first area;
Light-emitting component, being arranged on this flexible electric circuit board and being positioned at this first through hole, this light-emitting component provides illumination light and injects in this light guide plate by this illumination light; And
Reflecting piece, is completely covered on this second area; This reflecting piece is close to this flexible electric circuit board and both are not overlapping, and this illumination light that this first area and this second area depart from this light guide plate is reflected back in this light guide plate by this reflecting piece and this flexible electric circuit board.
8. illuminated keyboard according to claim 7, is characterized in that: this back up pad has yielding space, and this yielding space is just to this first through hole, and this light-emitting element part is placed in this yielding space.
9. illuminated keyboard according to claim 8, it is characterized in that: this illuminated keyboard also comprises film circuit board, this film circuit board is arranged on this back up pad, wherein, this back up pad has ridge structure, this ridge structure is for the formation of this yielding space, and this film circuit board has the second through hole, and this ridge structure part is placed in this second through hole.
10. illuminated keyboard according to claim 8, is characterized in that: this back up pad has hollow out, and this hollow out is for the formation of this yielding space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045684.2A CN103150027B (en) | 2013-02-05 | 2013-02-05 | Backing structure and illuminated keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310045684.2A CN103150027B (en) | 2013-02-05 | 2013-02-05 | Backing structure and illuminated keyboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103150027A CN103150027A (en) | 2013-06-12 |
| CN103150027B true CN103150027B (en) | 2016-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310045684.2A Active CN103150027B (en) | 2013-02-05 | 2013-02-05 | Backing structure and illuminated keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103150027B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576145B (en) * | 2013-10-28 | 2017-06-20 | 致伸科技股份有限公司 | Lighting keyboard |
| CN106016067B (en) * | 2016-07-05 | 2019-03-26 | 京东方科技集团股份有限公司 | Backlight module and display device |
| CN106229193B (en) * | 2016-08-17 | 2018-04-17 | 苏州达方电子有限公司 | Illuminated keyboard and Keysheet module |
| CN108010779B (en) * | 2016-10-28 | 2020-05-08 | 光宝电子(广州)有限公司 | Luminous keyboard |
| CN106412162B (en) * | 2016-11-11 | 2022-08-26 | 京东方科技集团股份有限公司 | Mobile terminal mesochite and mobile terminal |
| TWI724949B (en) | 2020-07-21 | 2021-04-11 | 群光電能科技股份有限公司 | Backlight module and illuminated keyboard |
| TWI789648B (en) * | 2020-11-20 | 2023-01-11 | 致伸科技股份有限公司 | Keyboard device and backlight module thereof |
| CN114974975B (en) * | 2022-07-29 | 2022-11-08 | 昆山兴协和科技股份有限公司 | Luminous keyboard |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061522A1 (en) * | 2003-01-07 | 2004-07-22 | Sony Corporation | Backlight device and liquid crystal display |
| CN1598660A (en) * | 2003-09-19 | 2005-03-23 | 精工爱普生株式会社 | Electrooptical device,electronic device and manufacturing method of electrooptical device |
| CN2738273Y (en) * | 2004-10-29 | 2005-11-02 | 友达光电股份有限公司 | Liquid crystal display device and back light device thereof |
| CN101526694A (en) * | 2008-03-07 | 2009-09-09 | 株式会社日立显示器 | Liquid crystal display device |
| CN202094015U (en) * | 2011-06-18 | 2011-12-28 | 苏州达方电子有限公司 | Key module |
| CN202601475U (en) * | 2012-04-26 | 2012-12-12 | 苏州达方电子有限公司 | Thin backlight keyboard |
-
2013
- 2013-02-05 CN CN201310045684.2A patent/CN103150027B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004061522A1 (en) * | 2003-01-07 | 2004-07-22 | Sony Corporation | Backlight device and liquid crystal display |
| CN1598660A (en) * | 2003-09-19 | 2005-03-23 | 精工爱普生株式会社 | Electrooptical device,electronic device and manufacturing method of electrooptical device |
| CN2738273Y (en) * | 2004-10-29 | 2005-11-02 | 友达光电股份有限公司 | Liquid crystal display device and back light device thereof |
| CN101526694A (en) * | 2008-03-07 | 2009-09-09 | 株式会社日立显示器 | Liquid crystal display device |
| CN202094015U (en) * | 2011-06-18 | 2011-12-28 | 苏州达方电子有限公司 | Key module |
| CN202601475U (en) * | 2012-04-26 | 2012-12-12 | 苏州达方电子有限公司 | Thin backlight keyboard |
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| Publication number | Publication date |
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| CN103150027A (en) | 2013-06-12 |
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