CN105737024A - Backlight module of operation panel - Google Patents
Backlight module of operation panel Download PDFInfo
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- CN105737024A CN105737024A CN201410743631.2A CN201410743631A CN105737024A CN 105737024 A CN105737024 A CN 105737024A CN 201410743631 A CN201410743631 A CN 201410743631A CN 105737024 A CN105737024 A CN 105737024A
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Abstract
The invention relates to an operation panel which comprises a baseplate, a touch electrode array, a light guide plate array, a light source array, a panel and a drive circuit, wherein the touch electrode array comprises multiple touch electrodes arranged on the baseplate; the light guide plate array comprises multiple separated light guide plates, and each light guide plate is arranged on the corresponding touch electrode respectively; the light source array comprises multiple light sources, each light source is arranged on one side of the corresponding light guide plate respectively, and the light source array comprises multiple line input ends and multiple row input ends; the panel covers the light guide plate array and the light source array, and an icon array corresponding to the light guide plate array is disposed on the panel; and the drive circuit is connected to the light source array and comprises multiple line drive ends and multiple row drive ends, the multiple line drive ends are connected to the multiple line input ends of the light source array respectively, and the multiple row drive ends are connected to multiple line output ends of the light source array respectively.
Description
Technical field
The present invention relates to backlight module, especially the backlight module of guidance panel.
Background technology
At present at many electrical equipment, for instance the guidance panel of microwave oven all adopts touch key-press to substitute conventional mechanical key.Guidance panel being arranged, multiple icon touches for user.Guidance panel provides backlight by backlight module.Existing backlight module includes light guide plate, light emitting diode and drive circuit.Whole light guide plate region entirety is opened or is closed, thus allowing guidance panel light or dimmed.So, each icon in whole light guide plate region it is distributed in fully open therewith or close backlight.The backlight module of this scheme disadvantageously, opening or closing of individual icon backlight can not be realized.
Summary of the invention
The technical problem to be solved is to provide the backlight module of a kind of guidance panel, and what its backlight area can be independent opens or closes.
The present invention solves that above-mentioned technical problem employed technical scheme comprise that a kind of guidance panel, including substrate, touch electrode array, light guide plate array, array of source, panel and drive circuit.Touch electrode array includes the multiple touch electrodes being arranged on this substrate.Light guide plate array includes the light guide plate of multiple separation, and each light guide plate is respectively arranged on corresponding touch electrode.Array of source includes multiple light source, and each light source is arranged in the light guide plate side of correspondence, and this array of source has multiple row input and multiple row input.Panel covers this light guide plate array and this array of source, and this panel is provided with should the icon arrays of light guide plate array.Drive circuit connects this array of source, and this drive circuit has multiple row cutting end and multiple row drive end, and the plurality of row cutting end connects multiple row inputs of this array of source respectively, and the plurality of row drive end connects multiple row outfans of this array of source respectively.
In one embodiment of this invention, aforesaid operations panel also includes grid, arranges on the substrate to separate each touch electrode and to separate each light guide plate.
In one embodiment of this invention, the driving signal of the plurality of row drive end output fixed time sequence, the output of the plurality of row cutting end is according to setting the driving signal selected；Or the driving signal of the plurality of row cutting end output fixed time sequence, the output of the plurality of row drive end is according to setting the driving signal selected.
In one embodiment of this invention, this includes the driving signal of change in duty cycle according to setting the signal that drives selected.
In one embodiment of this invention, what the icon arrays on this panel comprised is hollow out icon.
In one embodiment of this invention, the light guide plate being smaller in size than correspondence of each touch electrode size and more than the size of corresponding hollow out icon.
In one embodiment of this invention, the ignition mode of each light source of this array of source includes continuing to light, glimmer and gradual change.
The present invention also proposes the backlight module of a kind of guidance panel, including: light guide plate array, including the light guide plate of multiple separation, each light guide plate is respectively arranged on the corresponding touch electrode of a touch electrode array；Array of source, including multiple light sources, each light source is arranged in the light guide plate side of correspondence, and this array of source has multiple row input and multiple row input；And drive circuit, connect this array of source, this drive circuit has multiple row cutting end and multiple row drive end, and the plurality of row cutting end connects multiple row inputs of this array of source respectively, and the plurality of row drive end connects multiple row outfans of this array of source respectively.
In one embodiment of this invention, the driving signal of the plurality of row drive end output fixed time sequence, the output of the plurality of row cutting end is according to setting the driving signal selected；Or the driving signal of the plurality of row cutting end output fixed time sequence, the output of the plurality of row drive end is according to setting the driving signal selected.
In one embodiment of this invention, the ignition mode of each light source of this array of source includes continuing to light, glimmer and gradual change.
Due to the fact that the module design owing to have employed backlight module, it is possible to touch needs according to user and carry out individually or combination display, to point out user next step operation.The more convenient user of this mode and more humane, simultaneously because the color of light source can select, outward appearance is more attractive.
Accompanying drawing explanation
For the above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 illustrates the guidance panel three-dimensional exploded view of one embodiment of the invention.
Fig. 2 illustrates the sectional view of the guidance panel package assembly of one embodiment of the invention.
Fig. 3 illustrates the backlight module circuit diagram of one embodiment of the invention.
Fig. 4 illustrates the backlight circuit sequential chart of one embodiment of the invention.
Fig. 5 illustrates the backlight module partial circuit diagram of a preferred embodiment of the present invention.
Fig. 6 illustrates the backlight module partial timing diagram of a preferred embodiment of the present invention.
Detailed description of the invention
Fig. 1 illustrates the guidance panel three-dimensional exploded view of one embodiment of the invention.Fig. 2 illustrates the sectional view of the guidance panel package assembly of one embodiment of the invention.With reference to shown in Fig. 1 and Fig. 2, the guidance panel 100 of the present embodiment mainly includes substrate 110, touch electrode array 120, light guide plate array 130, array of source 140, panel 150 and grid 160.Substrate 110 is circuit substrate, and substrate is arranged touch electrode array 120.Touch electrode array 120 includes multiple touch electrode 122, and these touch electrodes are electrically connected to substrate 110.Substrate 110 arranges that sensing circuit is to sense the signal of telecommunication sent after these touch electrodes are touched.Light guide plate array 130 includes the light guide plate 132 of multiple separation, and each light guide plate 132 is respectively arranged on corresponding touch electrode 122.Array of source 140 includes multiple light source 142, and each light source 142 is arranged in light guide plate 132 side of correspondence, and is that side is luminous.Array of source 140 is electrically connected to substrate 110.Substrate 110 arrange drive circuit with output drive signal give each light source.Panel 150, covers light guide plate array 130 and array of source 140.Panel 150 is provided with the icon arrays 152 of corresponding light guide plate array 130.Icon arrays 152 comprises multiple icon 154, respectively each light guide plate 132 corresponding.
In one embodiment, substrate 110 is printed circuit board (PCB), and it is provided with above-mentioned sensing circuit and drive circuit.Each touch electrode 122 can print on a printed-wiring board.Can there be white printing on the surface of each touch electrode 122, increases the diffusion effect of light.Therefore light guide plate 132 can adopt common lucite or transparent engineering plastic materials, it is not necessary to carrying out guide-lighting light path design, mould is simple and easy.
Array of source 140 is preferably light emitting diode (LED) array that Energy in use is low, brightness is high.
As depicted in figs. 1 and 2, it is preferred that, guidance panel 100 also includes grid 160, is used for separating each touch electrode and each light guide plate.Through separating, all comprise an independent guide-lighting module in each grid, isolate with grid between each guide-lighting module, it is prevented that light exposes.Double faced adhesive tape 112,114 can be used to the substrate 110 that bonds, light guide plate array 130 and panel 150.
Panel 150 has black printing region 156 near the surface of light guide plate array 130.Black printing region 156 has openwork part 158.Openwork part 158 is positioned at directly over light guide plate array 130.The scope in each black printing region 156 is less than the size of each light guide plate 132.Each light source 142 can be located at the either side of the light guide plate 132 of correspondence and is positioned at below black printing region 156.The size of each touch electrode 122 can less than the size of corresponding light guide plate 132.
Multiple icons 154 that icon arrays 152 comprises can be hollow out.The size of each touch electrode 122 can more than the size of the corresponding icon 154 of hollow out, in order to can be sensed to the touch of whole hollow out icon.
Fig. 3 illustrates the backlight module circuit diagram of one embodiment of the invention.With reference to shown in Fig. 3, array of source 140 includes 14 light sources, for instance light emitting diode, is arranged in matrix form.Array of source 140 has 3 row input LED_1, LED_2, LED_3 and 5 row input LED_4, LED_5, LED_6, LED_7, LED_8, thus forming the array of 5*3.The quantity of these row inputs and row input is only citing, it is possible to according to actual array of source 140 arrangement change.Correspondingly, drive circuit 170 connects array of source 140, and multiple row drive end L_1, L_2, L_3 and multiple row cutting end L_4, L_5, L_6, L_7, L_8.These row drive end L_1, L_2, L_3 connect multiple row input LED_1, LED_2, the LED_3 of array of source respectively, these row cutting end L_4, L_5, L_6, L_7, L_8 connect multiple row cutting end LED_4 of this array of source respectively, LED_5, LED_6, LED_7, LED_8.
In one embodiment, row drive end L_1, L_2, L_3 can as general driving ports, L_4, L_5, L_6, L_7, and L_8 can as individually driving port.For example, as shown in Figure 4, row drive end L_1, L_2, L_3 can export the driving signal of fixed time sequence, and row cutting end LED_4, LED_5, LED_6, LED_7, LED_8 can export according to setting the different driving signal selected.Such as LED_4 can allow LED01 individually light, and allows LED02, LED03 combination light, or allows LED01, LED02, LED03 combination light.The rest may be inferred for the type of drive of remaining light emitting diode.
In an embodiment of the present invention, the ignition mode of each light source 142 of array of source 140 can include continuing to light, glimmer and gradual change.Concrete ignition mode depends on the preference of user, it is also possible to depend on the patterns of change in operation.
Fig. 5 illustrates the backlight module partial circuit diagram of a preferred embodiment of the present invention.With reference to shown in Fig. 5, the drive circuit of backlight module can use a kind of driving port L_P, and its driving signal is the driving signal of change in duty cycle as shown in Figure 6.Array of source 140 has input LED_P, and it is driven the high level of output different duty by aforementioned driving signal, realizes fade effect by dutycycle incremental manner, and realizes flicker effect by fixed duty cycle mode.
The aforesaid operations panel of the present invention, when the hollow out icon 152 of user's touch panel, corresponding touch electrode 122 produces the signal of telecommunication, sensing circuit receives this signal, and the driving port controlling this icon 152 correspondence carries out individually or combination output, and the light that light source 142 sends is derived through light guide plate 132, homogenous diffusion is to the position of hollow out icon 152, making icon 152 light display, its mode lighted can have persistently bright, glimmers and gradual change lighting mode.Such as user's touch electrode, this electrode corresponding icon continues to light, and next step icon that can perform operation glimmers for pointing out operation.
The aforesaid operations panel of the present invention, in operability, owing to have employed the module design of backlight module, it is possible to touches needs according to user and carries out individually or combination display, to point out user next step operation.The more convenient user of this mode and more humane, simultaneously because the color of light source can select, outward appearance is more attractive.
Further, since the driving of backlight module adopts matrix-style, lighting and turning off by sequencing contro light source, single drive more traditional than adopting saves driving port.
Although the present invention describes with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiments is intended merely to the explanation present invention, change or the replacement of various equivalence also can be made when without departing from spirit of the present invention, therefore, as long as to the change of above-described embodiment, modification all by the scope dropping on following claims in the spirit of the present invention.
Claims (10)
1. a guidance panel, including:
Substrate；
Touch electrode array, including the multiple touch electrodes being arranged on this substrate；
Light guide plate array, including the light guide plate of multiple separation, each light guide plate is respectively arranged on corresponding touch electrode；
Array of source, including multiple light sources, each light source is arranged in the light guide plate side of correspondence, and this array of source has multiple row input and multiple row input；
Panel, covers this light guide plate array and this array of source, and this panel is provided with should the icon arrays of light guide plate array；And
Drive circuit, connects this array of source, and this drive circuit has multiple row cutting end and multiple row drive end, and the plurality of row cutting end connects multiple row inputs of this array of source respectively, and the plurality of row drive end connects multiple row outfans of this array of source respectively.
2. guidance panel as claimed in claim 1, it is characterised in that also include grid, arrange on the substrate to separate each touch electrode and to separate each light guide plate.
3. guidance panel as claimed in claim 1, it is characterised in that the driving signal of the plurality of row drive end output fixed time sequence, the output of the plurality of row cutting end is according to setting the driving signal selected；Or the driving signal of the plurality of row cutting end output fixed time sequence, the output of the plurality of row drive end is according to setting the driving signal selected.
4. guidance panel as claimed in claim 3, it is characterised in that this includes the driving signal of change in duty cycle according to setting the signal that drives selected.
5. guidance panel as claimed in claim 1, it is characterised in that what the icon arrays on this panel comprised is hollow out icon.
6. guidance panel as claimed in claim 5, it is characterised in that the size of the size of the light guide plate being smaller in size than correspondence of each touch electrode and the hollow out icon more than correspondence.
7. guidance panel as claimed in claim 1, it is characterised in that the ignition mode of each light source of this array of source includes continuing to light, glimmer and gradual change.
8. a backlight module for guidance panel, including:
Light guide plate array, including the light guide plate of multiple separation, each light guide plate is respectively arranged on the corresponding touch electrode of a touch electrode array；
Array of source, including multiple light sources, each light source is arranged in the light guide plate side of correspondence, and this array of source has multiple row input and multiple row input；And
Drive circuit, connects this array of source, and this drive circuit has multiple row cutting end and multiple row drive end, and the plurality of row cutting end connects multiple row inputs of this array of source respectively, and the plurality of row drive end connects multiple row outfans of this array of source respectively.
9. the backlight module of guidance panel as claimed in claim 8, it is characterised in that the driving signal of the plurality of row drive end output fixed time sequence, the output of the plurality of row cutting end is according to setting the driving signal selected；Or the driving signal of the plurality of row cutting end output fixed time sequence, the output of the plurality of row drive end is according to setting the driving signal selected.
10. the backlight module of guidance panel as claimed in claim 8, it is characterised in that the ignition mode of each light source of this array of source includes continuing to light, glimmer and gradual change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743631.2A CN105737024A (en) | 2014-12-08 | 2014-12-08 | Backlight module of operation panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410743631.2A CN105737024A (en) | 2014-12-08 | 2014-12-08 | Backlight module of operation panel |
Publications (1)
| Publication Number | Publication Date |
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| CN105737024A true CN105737024A (en) | 2016-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410743631.2A Pending CN105737024A (en) | 2014-12-08 | 2014-12-08 | Backlight module of operation panel |
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| CN (1) | CN105737024A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542107A (en) * | 2019-09-20 | 2021-03-23 | 北京外号信息技术有限公司 | Panel type optical communication device and method for manufacturing the same |
| WO2021212994A1 (en) * | 2020-05-29 | 2021-10-28 | 海尔智家股份有限公司 | User interface of consumer electric appliance and method for darkening lighted icon |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495063Y (en) * | 2001-08-24 | 2002-06-12 | 北京汇冠科技有限公司 | Infrared element gate circuit for infrared touch screen |
| CN1405829A (en) * | 2001-09-14 | 2003-03-26 | 先锋株式会社 | Display device and method for driving display panel |
| CN1510504A (en) * | 2002-12-25 | 2004-07-07 | 精工爱普生株式会社 | Light source driving circuit, spot controlling method, projector and readable programm of computer |
| CN1595487A (en) * | 2004-07-16 | 2005-03-16 | 贺伟 | A LED display device |
| CN101019071A (en) * | 2004-09-27 | 2007-08-15 | Idc公司 | Touch screen for display |
| CN200947399Y (en) * | 2006-08-25 | 2007-09-12 | 盛泓企业有限公司 | Backlight improved structure for key-pressing keyboard |
| CN101097691A (en) * | 2006-06-30 | 2008-01-02 | 中华映管股份有限公司 | LCD driving mechanism and method |
| CN101504821A (en) * | 2008-02-08 | 2009-08-12 | 索尼株式会社 | Light emitting period setting method, light emitting period setting apparatus, semiconductor device, display panel and driving method thereof |
| CN201307542Y (en) * | 2008-11-27 | 2009-09-09 | 美的集团有限公司 | Touch screen membrane switch assembly of microwave oven |
| KR20100011571A (en) * | 2008-07-25 | 2010-02-03 | 엘지디스플레이 주식회사 | Apparatus and method for driving a display device having a touch senssor |
| CN201440650U (en) * | 2009-08-26 | 2010-04-21 | 珠海格力电器股份有限公司 | Touch control device |
| CN101858532A (en) * | 2009-04-01 | 2010-10-13 | 乐金显示有限公司 | Back light unit and liquid crystal display using the same |
| CN201748359U (en) * | 2010-06-23 | 2011-02-16 | 彩虹集团公司 | Direct type light-emitting diode (LED) backlight source device |
| CN102129298A (en) * | 2010-01-14 | 2011-07-20 | 鸿富锦精密工业（深圳）有限公司 | Induction keyboard |
| CN201918974U (en) * | 2010-12-17 | 2011-08-03 | 上海科勒电子科技有限公司 | Touch-sensitive key and bathroom installation with same |
| CN202050396U (en) * | 2011-05-03 | 2011-11-23 | 旭丽电子(广州)有限公司 | Touch control device |
| CN102367961A (en) * | 2011-10-31 | 2012-03-07 | 美的集团有限公司 | Touch display device of induction cooker and control method thereof |
| CN102768588A (en) * | 2011-05-06 | 2012-11-07 | 东莞莫仕连接器有限公司 | Touch panel |
| CN202747150U (en) * | 2012-08-14 | 2013-02-20 | 深圳市集尚科技发展有限公司 | Backlight module of touch equipment |
| CN202977260U (en) * | 2012-11-29 | 2013-06-05 | 深圳市瀚达美电子有限公司 | A pushbutton operation panel and backlight of the pushbutton operation panel |
| CN103293764A (en) * | 2012-02-28 | 2013-09-11 | 苹果公司 | Electronic device with illuminated logo structure |
| CN203465704U (en) * | 2013-07-26 | 2014-03-05 | 大连东显电子有限公司 | Touch panel based on protection type capacitive touch screen |
-
2014
- 2014-12-08 CN CN201410743631.2A patent/CN105737024A/en active Pending
Patent Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2495063Y (en) * | 2001-08-24 | 2002-06-12 | 北京汇冠科技有限公司 | Infrared element gate circuit for infrared touch screen |
| CN1405829A (en) * | 2001-09-14 | 2003-03-26 | 先锋株式会社 | Display device and method for driving display panel |
| CN1510504A (en) * | 2002-12-25 | 2004-07-07 | 精工爱普生株式会社 | Light source driving circuit, spot controlling method, projector and readable programm of computer |
| CN1595487A (en) * | 2004-07-16 | 2005-03-16 | 贺伟 | A LED display device |
| CN101019071A (en) * | 2004-09-27 | 2007-08-15 | Idc公司 | Touch screen for display |
| CN101097691A (en) * | 2006-06-30 | 2008-01-02 | 中华映管股份有限公司 | LCD driving mechanism and method |
| CN200947399Y (en) * | 2006-08-25 | 2007-09-12 | 盛泓企业有限公司 | Backlight improved structure for key-pressing keyboard |
| CN101504821A (en) * | 2008-02-08 | 2009-08-12 | 索尼株式会社 | Light emitting period setting method, light emitting period setting apparatus, semiconductor device, display panel and driving method thereof |
| KR20100011571A (en) * | 2008-07-25 | 2010-02-03 | 엘지디스플레이 주식회사 | Apparatus and method for driving a display device having a touch senssor |
| CN201307542Y (en) * | 2008-11-27 | 2009-09-09 | 美的集团有限公司 | Touch screen membrane switch assembly of microwave oven |
| CN101858532A (en) * | 2009-04-01 | 2010-10-13 | 乐金显示有限公司 | Back light unit and liquid crystal display using the same |
| CN201440650U (en) * | 2009-08-26 | 2010-04-21 | 珠海格力电器股份有限公司 | Touch control device |
| CN102129298A (en) * | 2010-01-14 | 2011-07-20 | 鸿富锦精密工业（深圳）有限公司 | Induction keyboard |
| CN201748359U (en) * | 2010-06-23 | 2011-02-16 | 彩虹集团公司 | Direct type light-emitting diode (LED) backlight source device |
| CN201918974U (en) * | 2010-12-17 | 2011-08-03 | 上海科勒电子科技有限公司 | Touch-sensitive key and bathroom installation with same |
| CN202050396U (en) * | 2011-05-03 | 2011-11-23 | 旭丽电子(广州)有限公司 | Touch control device |
| CN102768588A (en) * | 2011-05-06 | 2012-11-07 | 东莞莫仕连接器有限公司 | Touch panel |
| CN102367961A (en) * | 2011-10-31 | 2012-03-07 | 美的集团有限公司 | Touch display device of induction cooker and control method thereof |
| CN103293764A (en) * | 2012-02-28 | 2013-09-11 | 苹果公司 | Electronic device with illuminated logo structure |
| CN202747150U (en) * | 2012-08-14 | 2013-02-20 | 深圳市集尚科技发展有限公司 | Backlight module of touch equipment |
| CN202977260U (en) * | 2012-11-29 | 2013-06-05 | 深圳市瀚达美电子有限公司 | A pushbutton operation panel and backlight of the pushbutton operation panel |
| CN203465704U (en) * | 2013-07-26 | 2014-03-05 | 大连东显电子有限公司 | Touch panel based on protection type capacitive touch screen |
Non-Patent Citations (1)
| Title |
|---|
| 韩雪涛等: "《家用电子产品维修工职业资格考试必读》", 31 January 2014 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112542107A (en) * | 2019-09-20 | 2021-03-23 | 北京外号信息技术有限公司 | Panel type optical communication device and method for manufacturing the same |
| WO2021212994A1 (en) * | 2020-05-29 | 2021-10-28 | 海尔智家股份有限公司 | User interface of consumer electric appliance and method for darkening lighted icon |
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