CN2938613Y - Light plate keyboard of mobile terminal - Google Patents
Light plate keyboard of mobile terminal Download PDFInfo
- Publication number
- CN2938613Y CN2938613Y CN 200620133117 CN200620133117U CN2938613Y CN 2938613 Y CN2938613 Y CN 2938613Y CN 200620133117 CN200620133117 CN 200620133117 CN 200620133117 U CN200620133117 U CN 200620133117U CN 2938613 Y CN2938613 Y CN 2938613Y
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- light guide
- guide plate
- light
- keyboard
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Abstract
The utility model provides a mobile terminal light guide plate keyboard, comprising a casing, a key, a light source and two or more groups light guide plates provided below the key and in the casing. The key is provided on the surface of the casing, the light source on the side or bottom of the light guide plates, the key surface is spray-coated with laser engraved hollow characters and/or pattern. When backlight is available, the light will penetrate from the hollow to display the characters and/or pattern. The utility model controls the backlight of different areas of the mobile terminal keyboard using multiple groups of light guide plates, and realizes different display effects of the keyboard in different modes of the mobile terminal. The utility model is not only novel and energy-saving, but also improves the visual nuisance brought by numerous keys to the user. Meanwhile, this keyboard can produce even backlight without any impact on the mobile phone RF and the keyboard backlight life and is also inexpensive.
Description
Technical field
The utility model relates to the mobile communication terminal field, particularly a kind of portable terminal light guide plate keyboard.
Background technology
Mobile phone is very universal as topmost portable terminal, becomes one of main media of current communication.Along with the raising and the continuous progress in science and technology of people's living standard, the function that portable terminal is realized is more and more, as network browsing and mail, recreation, video display and MP4 broadcast etc.In order to improve the efficient of user's input information, the portable terminal keyboard just develops towards the direction of full keyboard at present, be that the portable terminal keyboard will develop into fifties buttons by present twenties traditional buttons, basic corresponding letter of a button or the function of realizing, be similar to the keyboard of PC, so just can greatly improve the accuracy and the efficient of user's input information, make the user can import various character informations quickly and easily.
Under this technical development background, the problem backlight of portable terminal keyboard has just presented, because if still adopt the most general Light-Emitting Diode (the light-emitting diode of present mobile phone, hereinafter to be referred as LED) the lamp direct backlight, though its cost is comparatively cheap, structure is simpler, but because the expansion of portable terminal keyboard area, the inhomogeneities defective backlight that this keyboard back light mode exists will show especially and amplify out, have influence on the class and the usability of portable terminal product the most at last, do not meet and satisfy portable terminal to superior, become more meticulous and ultra-thinization the direction trend and the requirement that develop.In order to improve the class of portable terminal product, this full keyboard just need be undertaken backlight by taking various new methods and new structure.
At present, it is backlight that a lot of high-grade portable terminal keyboard back lights begin to adopt electroluminescent (Electroluminance is hereinafter to be referred as EL).This EL is backlight owing to itself belong to a kind of " plane " emitter facet light source, so on the keyboard back light uniformity, have unrivaled superiority, simultaneously because EL backlight thickness can be made into very thin (can accomplish 0.08mm at present), so a brand-new breakthrough is also arranged aspect thickness.But the portable terminal keyboard adopts EL form backlight, also has the cost height at present, noise is arranged, the half-life is short and to defectives such as mobile phone radio frequency are influential, so yet do not obtain promotion and application more widely at present.
The utility model content
In view of above-mentioned, the purpose of this utility model provides a kind of backlight keyboard of light guide plate form, this form keyboard backlight can be realized evenly backlight, can not produce any influence again, and the production cost of this portable terminal light guide plate keyboard is also low than EL backlight keyboard to mobile phone radio frequency and keyboard back light life-span aspect.The portable terminal keyboard of this form backlight can also be realized the effect of subregion printing opacity simultaneously, both can make outward appearance novel succinct on the one hand, saves energy consumption, can improve vision burden and the sense of depression that numerous buttons bring to the user energetically again on the other hand.Under recreation, video display or MP3 play mode, backlight keyboard is only realized corresponding several function button printing opacities, all the other buttons are light tight, and can realize the printing opacity of other button under other patterns, thereby realize that portable terminal has different display effects at the different mode lower keyboard.
In order to achieve the above object, the utility model provides a kind of portable terminal light guide plate keyboard, comprise shell, button and light source also comprise two or more sets light guide plate that place button below, enclosure, light source places the side or the bottom of light guide plate, button places case surface, and keytop has spraying radium to chase empty character and/or pattern, when backlight, light appears from hollow out, realizes the demonstration of character and/or pattern.
It is base material that light guide plate can adopt the acrylic sheet material of optical grade, utilize ultraviolet light (Ultraviolet in the bottom surface of light guide plate, hereinafter to be referred as UV) screen printing technology will have high reflectivity and not the materials, printed on of extinction be leaded light point dot matrix, when making each leaded light point of irradiate light, reverberation can spread from all angles, realizes point-source of light is converted into area source.In order to realize that light does not interfere between each light guide plate, be that light can not be delivered to other light guide plate that are adjacent from a light guide plate, light guide plate is except that the subregion of light source position corresponding side surface, other zones and all the other sides of this side all are covered with photomask, only in the light guide plate of correspondence, propagate with assurance light, realize that subregion is backlight.The number of regions decision that the number of light guide plate requires subregion to show by keyboard, the corresponding light guide plate in each zone, and all buttons of keyboard are all in the coverage of light guide plate.Can fit in reflective membrane and the positive applying diffusion barrier in the bottom surface of light guide plate, also can fit wherein a kind of or two kinds do not fit.The mode that above-mentioned two or more sets light guide plate are pasted double faced adhesive tape by the side is assembled.Be carved with on the above-mentioned light guide plate and each corresponding hole, button conductive pole zone.
Light source can be conventional LED lamp, has different button viewing areas by controlling the whether luminous portable terminal of just can realizing of each LED lamp under different mode.In order to reduce the gauge of portable terminal as far as possible, each LED lamp can be arranged in each self-corresponding light guide plate side, note that in order to make light can be irradiated into light guide plate need reserve certain space with corresponding light guide plate side, LED lamp position can not apply photomask this moment.Certainly if the portable terminal gauge allows, the LED lamp also can directly be arranged in the bottom of each light guide plate.
The shell of keyboard can be the shell of portable terminal.Button for example is 39, and there are three light guide plate its below, and wherein two light guide plate are cross, have on the 3rd light guide plate and above-mentioned two light guide plate corresponding cross type openings, and the scope of above-mentioned three light guide plate can cover all buttons of above-mentioned keyboard.
The utility model is by adopting many group light guide plate, the situation backlight in each zone of subregion control portable terminal keyboard, realize that portable terminal has different display effects at the different mode lower keyboard, can save energy consumption greatly, the outward appearance novelty can be improved vision burden and the sense of depression that numerous buttons bring to the user again energetically.This keyboard of while can be realized evenly backlight, can not produce any influence to mobile phone radio frequency and keyboard back light life-span aspect again, and cost is also comparatively cheap.
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.For those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Description of drawings
Fig. 1 is the structure and the operation principle schematic diagram of light guide plate of the present utility model.
Fig. 2 is the light guide plate group structural representation of the utility model one preferred embodiment.
Fig. 3 is the design arrangement mode schematic diagram of the light guide plate point-source of light of the utility model one preferred embodiment.
Fig. 4 is that the portable terminal of the utility model one preferred embodiment is in the effect schematic diagram that the game mode lower keyboard shows.
Fig. 5 is that the portable terminal of the utility model one preferred embodiment is in the effect schematic diagram that other pattern lower keyboards show.
Embodiment
Below in conjunction with the drawings and specific embodiments light guide plate keyboard described in the utility model is described in further detail.
Light conducting plate structure of the present utility model as shown in Figure 1, light guide plate 12 is a base material with the acrylic sheet material of optical grade, adopt the UV screen printing technology will have high reflectivity and not the high-tech material of extinction on the acrylic sheet material bottom surface of optical grade, print dot matrix through the good leaded light point 15 of board design, optical grade acrylic sheet material will absorb the light that sends from LED lamp 11, when light is mapped to each leaded light when putting 15, reverberation can be toward all angles diffusion, by the various density differences of appropriate design, leaded light point dot matrix not of uniform size, light can penetrate from the front of light guide plate 12, realizes that the LED lamp source with commonly used is converted into the area source of high brightness and homogeneous briliancy.Generally in the bottom surface of light guide plate also with applying one deck reflective membrane 14, make this part light of down propagating finally reflect and penetrate, to guarantee the penetrating light intensity of portable terminal keyboard from light guide plate is positive.Sometimes also can stick one deck diffusion barrier 13 again in the front of light guide plate in addition, come, form a uniform surface light source to guarantee that light all spreads.But for the portable terminal keyboard, consider the reason of gauge aspect sometimes, bottom surface of light guide plate can not pasted reflective membrane, and diffusion barrier is not pasted in the front yet, and its backlight intensity and the uniformity also can reach effect preferably.
The leaded light plate group structure of the utility model one preferred embodiment as shown in Figure 2, have three independently viewing areas in the present embodiment, so need three light guide plate backlights altogether, be respectively first light guide plate 41, second light guide plate 42 and the 3rd light guide plate 43, wherein second light guide plate 42 and the 3rd light guide plate 43 are responsible for two " cross " zone backlight of keyboard respectively, and first light guide plate 41 is responsible for the backlight of all the other key areas.The side 23 in first light guide plate 41 " cross " zone will be pasted with double faced adhesive tape, second light guide plate 42 and the 3rd light guide plate 43 with will be bonded together by double faced adhesive tape after first light guide plate 41 cooperates, at last whole light guide plate group is bonded and fixed at together the back side of keyboard.For the side LED lamp that guarantees second light guide plate 42 and the 3rd light guide plate 43 correspondences when luminous, light can not project on first light guide plate 41, except that a side of light source correspondence, other three sides 22 have all applied photomask on second light guide plate 42 and the 3rd light guide plate 43.Simultaneously in order not influence the stroke of button itself, with the regional corresponding light guide plate of each button conductive pole on all be carved with corresponding hole 21, keep away the position to carry out key stroke.
The design arrangement mode of the light guide plate point-source of light of the utility model one preferred embodiment as shown in Figure 3, what point-source of light adopted is conventional LED lamp, wherein lamp 31 and lamp 32 are responsible for the backlight of second light guide plate 42 and the 3rd light guide plate 43 respectively, and lamp 33, lamp 34, lamp 35 and lamp 36 are responsible for the backlight of first light guide plate 41.Be under the game mode state at portable terminal, only require lamp 31 and lamp 32 luminous getting final product, so just have only the regional keyboard printing opacity of two " cross " of second light guide plate 42 and the 3rd light guide plate 43 correspondences, all the other zones are light tight; When all lamps were luminous, whole keyboard area can be realized even printing opacity again.
The portable terminal of the utility model one preferred embodiment is in effect that the game mode lower keyboard shows as shown in Figure 4, wherein has the button of filling pattern to represent to have backlight, and the button of no filling pattern is represented not have backlight.Keyboard is a full keyboard that contains 39 buttons in this embodiment, under portable terminal is in game mode, only realize the button printing opacity in two " cross " zone relevant with user's operate game function, all the other zone key are light tight, to reduce energy consumption and to eliminate user's vision burden.
The portable terminal of the utility model one preferred embodiment is in effect that other pattern lower keyboards show as shown in Figure 5, wherein there is the button of filling pattern to represent to have backlight, the button of no filling pattern is represented not have backlight, and this shows when portable terminal is in other patterns, all even printing opacity of whole buttons.
Through cooperating the detailed description of above-mentioned drawings and the specific embodiments, feature of the present utility model and spirit can be more clearly described in expectation, but the above in order to explain preferred embodiment of the present utility model, is not that attempt is done any pro forma restriction to the utility model according to this only.Therefore, all have in that identical creation spirit is following do relevant any modification of the present utility model or change, all must be included in the category of the utility model intention protection.
Claims (11)
1. portable terminal light guide plate keyboard, comprise shell, button and light source, above-mentioned button places case surface, it is characterized in that also comprising two or more sets light guide plate that place button below, enclosure, and above-mentioned light source places the side or the bottom of light guide plate, above-mentioned keytop has spraying radium to chase empty character and/or pattern, when backlight, light appears from hollow out, realizes the demonstration of character and/or pattern.
2. light guide plate keyboard according to claim 1, it is characterized in that utilizing in the bottom surface of above-mentioned light guide plate the ultraviolet light screen printing technology will have high reflectivity and not the materials, printed on of extinction put dot matrix for leaded light, be used for realizing point-source of light is converted into area source.
3. light guide plate keyboard according to claim 1 and 2 is characterized in that above-mentioned light guide plate except that the subregion of light source position corresponding side surface, and other zones and all the other sides of this side all are covered with photomask, so that light is only propagated in this light guide plate.
4. light guide plate keyboard according to claim 1 and 2 is characterized in that above-mentioned shell is the shell of portable terminal.
5. light guide plate keyboard according to claim 1 and 2 is characterized in that above-mentioned light source is a light-emitting diode.
6. light guide plate keyboard according to claim 3, the number that it is characterized in that above-mentioned light guide plate is determined by the number of regions that above-mentioned keyboard requires subregion to show, the corresponding light guide plate in each zone, and all buttons of above-mentioned keyboard are all in the coverage of light guide plate.
7. light guide plate keyboard according to claim 3 is characterized in that the mode that above-mentioned two or more sets light guide plate are pasted double faced adhesive tape by the side assembles.
8. according to claim 6 or 7 described light guide plate keyboards, it is characterized in that the bottom surface applying reflective membrane and/or the positive applying diffusion barrier of above-mentioned light guide plate.
9. light guide plate keyboard according to claim 8 is characterized in that above-mentioned light source arrangement is in the light guide plate side or bottom the light guide plate.
10. light guide plate keyboard according to claim 9 is characterized in that above-mentioned light guide plate is a base material with the acrylic sheet material of optical grade.
11. light guide plate keyboard according to claim 10 is characterized in that being carved with on the above-mentioned light guide plate and each corresponding hole, button conductive pole zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133117 CN2938613Y (en) | 2006-08-30 | 2006-08-30 | Light plate keyboard of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620133117 CN2938613Y (en) | 2006-08-30 | 2006-08-30 | Light plate keyboard of mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2938613Y true CN2938613Y (en) | 2007-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620133117 Expired - Lifetime CN2938613Y (en) | 2006-08-30 | 2006-08-30 | Light plate keyboard of mobile terminal |
Country Status (1)
| Country | Link |
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| CN (1) | CN2938613Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102616037A (en) * | 2012-04-06 | 2012-08-01 | 广东兴锐电子科技股份有限公司 | Method for carrying out multi-colour laser carving on surface of silicone rubber keypad |
| US8345410B2 (en) | 2010-01-06 | 2013-01-01 | Apple Inc. | Handheld computing device |
| CN102054611B (en) * | 2009-11-10 | 2013-03-13 | 富士康(昆山)电脑接插件有限公司 | Button |
| US8432678B2 (en) | 2010-01-06 | 2013-04-30 | Apple Inc. | Component assembly |
| WO2014089774A1 (en) * | 2012-12-12 | 2014-06-19 | Nokia Corporation | An apparatus and a method for conveying symbols to a user |
| CN109449033A (en) * | 2018-12-28 | 2019-03-08 | 骏升科技（扬州）有限公司 | A kind of remote controler navigation keys structure with separate backlight region |
| US10591957B2 (en) | 2010-01-06 | 2020-03-17 | Apple Inc. | Display module |
| US11360624B2 (en) * | 2018-06-26 | 2022-06-14 | Hefei Xinsheng Optoelectronics Technology Co., Ltd | Touch panel and manufacturing method thereof |
-
2006
- 2006-08-30 CN CN 200620133117 patent/CN2938613Y/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102054611B (en) * | 2009-11-10 | 2013-03-13 | 富士康(昆山)电脑接插件有限公司 | Button |
| US9880590B2 (en) | 2010-01-06 | 2018-01-30 | Apple Inc. | Component assembly |
| US8345410B2 (en) | 2010-01-06 | 2013-01-01 | Apple Inc. | Handheld computing device |
| US8432678B2 (en) | 2010-01-06 | 2013-04-30 | Apple Inc. | Component assembly |
| US9829916B2 (en) | 2010-01-06 | 2017-11-28 | Apple Inc. | Component assembly |
| US10048721B2 (en) | 2010-01-06 | 2018-08-14 | Apple Inc. | Component assembly |
| US10289167B2 (en) | 2010-01-06 | 2019-05-14 | Apple Inc. | Component assembly |
| US10591957B2 (en) | 2010-01-06 | 2020-03-17 | Apple Inc. | Display module |
| US10642316B2 (en) | 2010-01-06 | 2020-05-05 | Apple Inc. | Component assembly |
| CN102616037A (en) * | 2012-04-06 | 2012-08-01 | 广东兴锐电子科技股份有限公司 | Method for carrying out multi-colour laser carving on surface of silicone rubber keypad |
| WO2014089774A1 (en) * | 2012-12-12 | 2014-06-19 | Nokia Corporation | An apparatus and a method for conveying symbols to a user |
| US11360624B2 (en) * | 2018-06-26 | 2022-06-14 | Hefei Xinsheng Optoelectronics Technology Co., Ltd | Touch panel and manufacturing method thereof |
| CN109449033A (en) * | 2018-12-28 | 2019-03-08 | 骏升科技（扬州）有限公司 | A kind of remote controler navigation keys structure with separate backlight region |
| CN109449033B (en) * | 2018-12-28 | 2023-10-31 | 骏升科技（扬州）有限公司 | Remote controller navigation key structure with independent backlight area |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070822 |
|
| EXPY | Termination of patent right or utility model |