CN104423747A - Touch display device and method, and washing machine - Google Patents
Touch display device and method, and washing machine Download PDFInfo
- Publication number
- CN104423747A CN104423747A CN201310390408.XA CN201310390408A CN104423747A CN 104423747 A CN104423747 A CN 104423747A CN 201310390408 A CN201310390408 A CN 201310390408A CN 104423747 A CN104423747 A CN 104423747A
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- touch
- screen
- display screen
- display
- liquid crystal
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- 238000005406 washing Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title abstract description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 47
- 238000012856 packing Methods 0.000 claims description 20
- 230000003068 static effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 9
- 230000008447 perception Effects 0.000 claims description 7
- 230000004913 activation Effects 0.000 claims description 6
- 239000003086 colorant Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
- D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Textile Engineering (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention discloses touch display device and method, and a washing machine. The touch display device comprises a display screen, and a touch screen arranged on the display screen; the touch screen and the display screen are both connected with a controller, wherein the touch screen is divided into a display area and a key area; a key is arranged on the key area, and the key area is used for sensing an input signal and transmitting the input signal to the controller; the display screen is used for receiving a control signal and displaying the operation result through the display area; the display area and the key area are different in background color and font color; the display screen is a VA type LCD. The touch display device has the advantages that the mode in combination of the touch key and the display screen replaces the traditional mode in combination of the mechanical key and the display screen, so as to adapt to the habits of users in use; the display time of the display screen under electrifying can be greatly reduced, and the view angle is expanded; the contrast ratio of the display screen is up to more than 100: 1, which realizes high definition display; the view angle of the display screen is up to 180 degrees, which means full view angle and is convenient to user to view.
Description
Technical field
The present invention relates to Control field, particularly relate to a kind of touch display unit and display packing, washing machine.
Background technology
Usually mechanical key is adopted to coordinate the mode of viewing area to carry out manual operation and control for washing machine display screen at present, concrete, mechanical key is arranged on the lower end of display screen, but adopt mechanical key to be inconvenient to operate, input process is complicated, inaccurate, such as, such as, inputting a Chinese character needs repeatedly button, is inconvenient to operate.
And our current existing common impeller machine liquid crystal display is the liquid crystal display of TN plain edition, and contrast is 10:1, can not meet the display requirement of some high-end users to high definition.The angular field of view of current general T N-type liquid crystal display is on the market about 60 ° in addition, from the word full visual angle viewing display screen, can not have dead angle.When applying voltage and changing over level to allow backlight pass through then by liquid crystal molecule, displaying time is longer.
For above problem, need badly and want a kind of new touch display unit and display packing, washing machine, consider that user has got used to using mechanical key in the past to coordinate the mode of viewing area, so for further improvement, button and viewing area also must adopt layout of the prior art.
Summary of the invention
The object of the present invention is to provide a kind of touch display unit, the mode that this touch display unit adopts touch-key to add display screen replaces traditional mechanical key to add the mode of display screen, to coordinate the use habit of user.
This touch display unit significantly can shorten displaying time during display screen energising, and field-of-view angle can also be allowed more broad.
The contrast of this touch display unit display screen can reach more than 100:1, achieves high definition display.
The display screen of this touch display unit can reach 180 ° of full visual angles.
Another object of the present invention is also that providing a kind of touches display packing, and the mode that this touch display packing adopts touch-key to add display screen replaces traditional mechanical key to add the mode of display screen, to coordinate the use habit of user.
This touch display packing significantly can shorten displaying time during display screen energising, and field-of-view angle can also be allowed more broad.
The contrast of the display screen that this touch display packing is used can reach more than 100:1, achieves high definition display.
This touch display packing display screen used can reach 180 ° of full visual angles.
Another object of the present invention is also to provide a kind of washing machine, and this washing machine has above touch display unit, and touches display packing more than using.
For reaching this object, the present invention by the following technical solutions:
A kind of touch display unit, comprising:
Display screen and the touch-screen arranged on a display screen, described touch-screen is all connected with controller with display screen;
Described touch-screen is divided into viewing area and key area, and described key area is provided with button, and described key area for by the button perception input signal on it, and is translated into corresponding signal and passes to controller;
Operating result transmission display region for receiving the control signal of controller, and shows by described display screen;
The background color that described viewing area and key area adopt and font color are mutually for different;
Described display screen is VA type LCD liquid crystal display screen.
As preferably, the background color of described viewing area is black, and font color is white.
As preferably, the background color of described key area is white, and font color is black.
As preferably, described touch-screen is provided with touch electrode, when hand is put on touch-screen, hand can and touch-screen on touch electrode produce the change of electric capacity, thus generation current changes, and touch-screen becomes state of activation.
As preferably, described VA type LCD liquid crystal display screen comprises liquid crystal molecule, and the surrounding of described liquid crystal molecule is provided with protrusion, departs from the angle that vertical direction is certain when described protrusion makes liquid crystal molecule static.
A kind of touch display packing, touch-screen is arranged on a display screen, touch-screen is divided into viewing area and key area, described key area is by the button perception input signal on it, and be translated into corresponding signal and pass to controller, control signal is passed to display screen by described controller, operating result transmission display region shows by described display screen, it is different background colors and font color mutually that described viewing area and key area adopt respectively, and described display screen adopts VA type LCD liquid crystal display screen.
As preferably, the background color of described viewing area adopts black, and font color adopts white; Or the background color of described key area adopts white, font color adopts black.
As preferably, when not touching touch-screen more than the first preset time T 1, a viewing area displaying time; When hand is put into the viewing area on touch-screen can and viewing area on touch electrode produce the change of electric capacity, thus generation current changes, and touch-screen becomes state of activation.
As preferably, when the liquid crystal molecule in described VA type LCD liquid crystal display screen is static, depart from the certain angle of vertical direction.
Have a washing machine for the touch display unit described in above any one, it adopts the touch display packing described in above any one.
Beneficial effect of the present invention is: the invention provides a kind of touch display unit and display packing, washing machine, because described touch display unit comprises: display screen and the touch-screen arranged on a display screen, described touch-screen is all connected with controller with display screen; Described touch-screen is divided into viewing area and key area, and described key area is provided with button, and described key area for by the button perception input signal on it, and is translated into corresponding signal and passes to controller; Described display screen is for receiving the control signal of controller, and operating result transmission display region is shown, the mode that this touch display unit adopts touch-key to add display screen replaces traditional mechanical key to add the mode of display screen, to coordinate the use habit of user.The background color adopted due to described viewing area and key area and font color for different, so the separatrix of viewing area and key area is more clear, are not easy to obscure two regions mutually, and word on two regions is more clear.Because described display screen is VA type LCD liquid crystal display screen, VA type LCD liquid crystal display screen adopts many quadrants vertical orientation technology, when utilizing protrusion to make liquid crystal static and unconventional vertical type, but it is static to be partial to some angles, so when apply voltage by liquid crystal molecule change over level with allow backlight by time then more quick, significantly can shorten displaying time; Also because protrusion changes liquid crystal alignment, make field-of-view angle more broad.Because the contrast of VA type LCD liquid crystal display screen can reach more than 100:1, achieve high definition display.Because VA type LCD liquid crystal display screen can reach 180 ° of full visual angles, so user can from the word wider angular range viewing display screen.
Accompanying drawing explanation
Fig. 1 is the structural representation of the touch display unit that the specific embodiment of the invention provides;
Fig. 2 is the structural representation of the touch-screen that the specific embodiment of the invention provides.
Wherein:
1: touch-screen; 2: display screen; 3: controller;
11: viewing area; 12: key area;
121: button.
Embodiment
Technical scheme of the present invention is further illustrated by embodiment below in conjunction with accompanying drawing.
Device embodiment:
Below in conjunction with Fig. 1 and Fig. 2, touch display unit is described in detail.
Fig. 1 is the structural representation of the touch display unit that the specific embodiment of the invention provides.As shown in Figure 1, this kind of touch display unit, comprising: display screen 2, touch-screen 1 and controller 3.Wherein, display screen 2 is arranged on the upper surface of display screen 2, and described touch-screen 1 is all connected with controller 3 with display screen 2.
Fig. 2 is the structural representation of the touch-screen that the specific embodiment of the invention provides.As shown in Figure 2, described touch-screen 1 is divided into viewing area 11 and key area 12, described key area 12 is provided with button 121, and described key area 12 for passing through the button 121 perception input signal on it, and is translated into corresponding signal and passes to controller 3.
After described controller 3 receives the signal transmitted key area 12, and received signal is operated, transmit control signal to display screen 2 according to operating result, by display screen 2, operating result is shown, and on display screen 2, the operating result of display can be watched by user in transmission display region 11.
Concrete, when finger touch is on some button 121, due to human body electric field, user and touch-screen 1 surface are formed with a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current divides and flows out from the electrode the corner of touch-screen 1, and the electric current flowing through these four electrodes is directly proportional to the distance of finger to corner, and controller 3 passes through the accurate Calculation to these four current ratios, draws the position of touch point.Controller 3 finds out the operating result corresponding to this position according to position, touch point, and operating result is sent to display screen 2, by display screen 2, operating result is shown, and on display screen 2, the operating result of display can be watched by user in transmission display region 11.
The mode that this touch display packing adopts touch-key to add display screen replaces traditional mechanical key to add the mode of display screen, to coordinate the use habit of user.
The background color that described viewing area 11 and key area 12 adopt and font color are mutually for different.The program can make the separatrix of viewing area and key area more clear, is not easy to obscure two regions, and word on two regions is more clear.
Described display screen 2 is VA type LCD liquid crystal display screen.Described VA type LCD liquid crystal display screen comprises liquid crystal molecule, and the surrounding of described liquid crystal molecule is provided with protrusion, departs from the angle that vertical direction is certain when described protrusion makes liquid crystal molecule static.Because VA type LCD liquid crystal display screen adopts many quadrants vertical orientation technology, when utilizing protrusion to make liquid crystal static and unconventional vertical type, but it is static to be partial to some angles, so when apply voltage by liquid crystal molecule change over level with allow backlight by time then more quick, significantly can shorten displaying time; Also because protrusion changes liquid crystal alignment, make field-of-view angle more broad.Because the contrast of VA type LCD liquid crystal display screen can reach more than 100:1, achieve high definition display.Because VA type LCD liquid crystal display screen can reach 180 ° of full visual angles, so user can from the word wider angular range viewing display screen.
In the present embodiment, preferably, the background color of described viewing area 11 is black, and font color is white.Display white font on the background color of black, makes white font more clear.
In the present embodiment, preferably, the background color of described key area 12 is white, and font color is black.
In the present embodiment, when not touching touch-screen more than the first preset time T 1, a viewing area displaying time, other content does not all show.Now, due to described touch-screen 1 being provided with touch electrode, when finger touch on the touchscreen time, due to human body electric field, the touch electrode in the hand of user and touch screen surface is formed with a coupling capacitance, for high-frequency current, electric capacity is direct conductor, so hand siphons away a very little electric current from contact point, thus generation current change, touch-screen becomes state of activation.
In the present embodiment, described first preset time T 1 can set according to actual conditions, and setting value is pre-stored in controller 3.
Embodiment of the method:
Touch display packing of the present invention, touch-screen is arranged on a display screen, touch-screen is divided into viewing area and key area, described key area is by the button perception input signal on it, and be translated into corresponding signal and pass to controller, control signal is passed to display screen by described controller, operating result transmission display region shows by described display screen, it is different background colors and font color mutually that described viewing area and key area adopt respectively, and described display screen adopts VA type LCD liquid crystal display screen.
Concrete, when button 121 is by finger touch, due to human body electric field, user and touch-screen 1 surface are formed with a coupling capacitance, and for high-frequency current, electric capacity is direct conductor, so finger siphons away a very little electric current from contact point.This electric current divides and flows out from the electrode the corner of touch-screen 1, and the electric current flowing through these four electrodes is directly proportional to the distance of finger to corner, and controller 3 passes through the accurate Calculation to these four current ratios, draws the position of touch point.Controller 3 finds out the operating result corresponding to this position according to position, touch point, and operating result is sent to display screen 2, by display screen 2, operating result is shown, and on display screen 2, the operating result of display can be watched by user in transmission display region 11.
In the present embodiment, preferably, the background color of described viewing area adopts black, and font color adopts white.Display white font on the background color of black, makes white font more clear.
In the present embodiment, preferably, the background color of described key area adopts white, and font color adopts black.
Liquid crystal molecule is had in described VA type LCD liquid crystal display screen, the surrounding of described liquid crystal molecule is provided with protrusion, described protrusion departs from vertical direction certain angle when making liquid crystal molecule static, when apply voltage by liquid crystal molecule change over level with allow backlight by time then more quick, significantly can shorten displaying time; Also because protrusion changes liquid crystal alignment, make field-of-view angle more broad.Because the contrast of VA type LCD liquid crystal display screen can reach more than 100:1, achieve high definition display.Because VA type LCD liquid crystal display screen can reach 180 ° of full visual angles, so user can from the word wider angular range viewing display screen.
In the present embodiment, when not touching touch-screen more than the first preset time T 1, a viewing area displaying time; When hand is put into the viewing area on touch-screen can and viewing area on touch electrode produce the change of electric capacity, thus generation current changes, and touch-screen becomes state of activation.
In the present embodiment, described first preset time T 1 can set according to actual conditions, and setting value is pre-stored in controller 3.
The invention also discloses a kind of washing machine, this washing machine has the touch display unit described in above any one, and this washing machine adopts the touch display packing described in above any one.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (10)
1. a touch display unit, is characterized in that, comprising:
Display screen (2) and the touch-screen (1) be arranged on display screen (2), described touch-screen (1) is all connected with controller (3) with display screen (2);
Described touch-screen (1) is divided into viewing area (11) and key area (12), described key area (12) is provided with button (121), described key area (12) for passing through button (121) the perception input signal on it, and is translated into corresponding signal and passes to controller (3);
Operating result transmission display region (11) for receiving the control signal of controller (3), and shows by described display screen (2);
The background color that described viewing area (11) and key area (12) adopt and font color are mutually for different;
Described display screen (2) is VA type LCD liquid crystal display screen.
2. touch display unit according to claim 1, is characterized in that, the background color of described viewing area (11) is black, and font color is white.
3. touch display unit according to claim 1, is characterized in that, the background color of described key area (12) is white, and font color is black.
4. touch display unit according to claim 1, is characterized in that, (1) is provided with touch electrode to described touch-screen, when hand is put on touch-screen, hand can and touch-screen on touch electrode produce the change of electric capacity, thus generation current changes, and touch-screen becomes state of activation.
5. touch display unit according to claim 1, it is characterized in that, described VA type LCD liquid crystal display screen comprises liquid crystal molecule, and the surrounding of described liquid crystal molecule is provided with protrusion, departs from the angle that vertical direction is certain when described protrusion makes liquid crystal molecule static.
6. one kind touches display packing, it is characterized in that, touch-screen is arranged on a display screen, touch-screen is divided into viewing area and key area, described key area is by the button perception input signal on it, and be translated into corresponding signal and pass to controller, control signal is passed to display screen by described controller, operating result transmission display region shows by described display screen, it is different background colors and font color mutually that described viewing area and key area adopt respectively, and described display screen adopts VA type LCD liquid crystal display screen.
7. touch display packing according to claim 6, is characterized in that, the background color of described viewing area adopts black, and font color adopts white; Or the background color of described key area adopts white, font color adopts black.
8. touch display packing according to claim 6, is characterized in that, when not touching touch-screen more than the first preset time T 1, and a viewing area displaying time; When hand is put into the viewing area on touch-screen can and viewing area on touch electrode produce the change of electric capacity, thus generation current changes, and touch-screen becomes state of activation.
9. touch display packing according to claim 6, is characterized in that, departs from vertical direction certain angle when the liquid crystal molecule in described VA type LCD liquid crystal display screen is static.
10. have a washing machine for the touch display unit as described in any one of claim 1 to 5, it is characterized in that, it adopts the touch display packing as described in any one of claim 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390408.XA CN104423747A (en) | 2013-08-30 | 2013-08-30 | Touch display device and method, and washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310390408.XA CN104423747A (en) | 2013-08-30 | 2013-08-30 | Touch display device and method, and washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN104423747A true CN104423747A (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310390408.XA Pending CN104423747A (en) | 2013-08-30 | 2013-08-30 | Touch display device and method, and washing machine |
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| Country | Link |
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| CN (1) | CN104423747A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947378A (en) * | 2015-06-24 | 2015-09-30 | 无锡小天鹅股份有限公司 | Washing machine |
| CN106222949A (en) * | 2016-08-31 | 2016-12-14 | 无锡小天鹅股份有限公司 | The control panel of washing machine and the washing machine with it |
| CN106681565A (en) * | 2017-01-11 | 2017-05-17 | 东莞市中沛光电科技有限公司 | Touch screen, control system thereof and manufacturing method thereof |
| CN107923112A (en) * | 2015-08-31 | 2018-04-17 | Bsh家用电器有限公司 | The household appliance of improved operability with the operation device for being designed as touch-screen |
| CN109983279A (en) * | 2016-11-25 | 2019-07-05 | Bsh家用电器有限公司 | The operating element of the tactile of household appliance |
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| US20110234527A1 (en) * | 2010-03-24 | 2011-09-29 | Whirlpool Corporation | Touch screen coupling having tactile response capability |
| CN202786818U (en) * | 2012-04-09 | 2013-03-13 | 陈建新 | Washing machine man-machine intelligent touch-display-control integration liquid crystal display (LCD) liquid crystal module (LCM) |
| CN103002084A (en) * | 2012-11-29 | 2013-03-27 | 广东欧珀移动通信有限公司 | Cell phone with bendable touch screen and push key structure thereof |
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2013
- 2013-08-30 CN CN201310390408.XA patent/CN104423747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110234527A1 (en) * | 2010-03-24 | 2011-09-29 | Whirlpool Corporation | Touch screen coupling having tactile response capability |
| CN202786818U (en) * | 2012-04-09 | 2013-03-13 | 陈建新 | Washing machine man-machine intelligent touch-display-control integration liquid crystal display (LCD) liquid crystal module (LCM) |
| CN103002084A (en) * | 2012-11-29 | 2013-03-27 | 广东欧珀移动通信有限公司 | Cell phone with bendable touch screen and push key structure thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104947378A (en) * | 2015-06-24 | 2015-09-30 | 无锡小天鹅股份有限公司 | Washing machine |
| CN107923112A (en) * | 2015-08-31 | 2018-04-17 | Bsh家用电器有限公司 | The household appliance of improved operability with the operation device for being designed as touch-screen |
| CN106222949A (en) * | 2016-08-31 | 2016-12-14 | 无锡小天鹅股份有限公司 | The control panel of washing machine and the washing machine with it |
| CN109983279A (en) * | 2016-11-25 | 2019-07-05 | Bsh家用电器有限公司 | The operating element of the tactile of household appliance |
| US10782794B2 (en) | 2016-11-25 | 2020-09-22 | Bsh Hausgeraete Gmbh | Haptic operating element for a household appliance |
| CN109983279B (en) * | 2016-11-25 | 2021-02-23 | Bsh家用电器有限公司 | Haptic operating element for a domestic appliance |
| CN106681565A (en) * | 2017-01-11 | 2017-05-17 | 东莞市中沛光电科技有限公司 | Touch screen, control system thereof and manufacturing method thereof |
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Effective date of registration: 20160601 Address after: 266101 Haier Industrial Park, No. 1, Haier Road, hi tech park, Laoshan District, Shandong, China Applicant after: Qingdao Haier Washing Machine Co., Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Applicant before: haier group corporation Applicant before: Qingdao Haier Washing Machine Co., Ltd. |
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Application publication date: 20150318 |