WO2011006435A1 - Dispositif d'affichage à touches tactiles - Google Patents

Dispositif d'affichage à touches tactiles Download PDF

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Publication number
WO2011006435A1
WO2011006435A1 PCT/CN2010/075161 CN2010075161W WO2011006435A1 WO 2011006435 A1 WO2011006435 A1 WO 2011006435A1 CN 2010075161 W CN2010075161 W CN 2010075161W WO 2011006435 A1 WO2011006435 A1 WO 2011006435A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive film
transparent conductive
display device
circuit board
printed circuit
Prior art date
Application number
PCT/CN2010/075161
Other languages
English (en)
Chinese (zh)
Inventor
张辉
钟明生
宋德超
吴欢龙
张磊
靳岚
Original Assignee
珠海格力电器股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Publication of WO2011006435A1 publication Critical patent/WO2011006435A1/fr

Links

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
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/962—Capacitive touch switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/96031—Combination of touch switch and LC display
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/96—Touch switches
    • H03K2217/9607—Capacitive touch switches
    • H03K2217/960755—Constructional details of capacitive touch and proximity switches

Definitions

  • the present invention relates to the field of home appliances, and in particular to a display device having a touch button.
  • BACKGROUND OF THE INVENTION Conventional display and operation buttons require special treatment on the appearance of the home appliance, for example: the display area uses a paint or a silver-gray transparent mirror that is lighter or deeper than the overall appearance; ⁇ the use of mechanical buttons requires the appearance of a button hole, which Kinds of buttons are not easy to clean and maintain, so many home appliances use touch buttons.
  • the setting mode of the touch buttons requires the function of specifically identifying each button in the button area, so that the interface of the display screen is disordered, which affects the appearance of the display.
  • the present invention is directed to a display device having a touch button, which solves the problem that the setting mode of the touch button needs to specifically identify each button in the button area, thereby affecting the aesthetic appearance of the display screen.
  • the present invention provides a display device having a touch button, the display device comprising: a panel; a transparent conductive film assembly disposed under the panel; and a controller disposed under the transparent conductive film assembly to control
  • the device comprises a printed circuit board and a display area; the transparent conductive film assembly is electrically connected to the printed circuit board.
  • the display device further includes: a light source disposed on the printed circuit board and disposed corresponding to the transparent conductive film assembly.
  • the transparent conductive film assembly comprises a plurality of transparent conductive films and conductive film terminals; a plurality of transparent conductive films are disposed under the panel for transmitting touch signals; and the conductive film terminals are respectively electrically connected to the transparent conductive film and the printed circuit board , for outputting a touch signal received by the transparent conductive film to the printed circuit board.
  • the display area is disposed corresponding to the plurality of transparent conductive films;
  • the printed circuit board includes a pair of plug-in terminals,
  • the utility model is disposed on the printed circuit board of the controller, and has a structure suitable for docking with the conductive film terminal;
  • the threading hole is disposed on the printed circuit board; and the conductive film terminal is connected to the mating terminal through the threading hole.
  • the display device further comprises: a silver glue line electrically connected between the transparent conductive film and the conductive film terminal.
  • the display device further comprises: a layer of insulating material covering the panel and disposed around the plurality of transparent conductive films.
  • the layer of insulating material is a layer of printed insulating ink.
  • the 4 silicone line partially overlaps the transparent conductive film.
  • the panel is provided with a clip that is engaged with the conductive film terminal.
  • the transparent conductive film is disposed on the mylar film substrate.
  • the transparent conductive film is adhered to the panel.
  • an air conditioner comprising the display device as described above. Since the transparent conductive film assembly is controlled by the integrated circuit on the printed circuit board, the transparent conductive film assembly of the display area is not energized before the touch, that is, it is invisible, and the display area is energized after the touch, so there is no need to be special on the button area.
  • FIG. 1 is a schematic cross-sectional view showing a top view of a display device with a touch button according to an embodiment of the present invention
  • FIG. 2 is a view schematically showing a touch button according to an embodiment of the present invention; a cross-sectional view of the side view direction of the display device; 3 schematically shows a three-dimensional structure of a display device with a touch button in which a panel is mounted according to an embodiment of the present invention; and FIG. 4 schematically shows a display device with a touch button according to an embodiment of the present invention.
  • a display device with a touch button includes: a panel 90, which may be a transparent material plate, such as a glass plate; a transparent conductive film A component (not shown) is disposed under the panel 90.
  • the transparent conductive film component may include a plurality of transparent conductive films 120 and conductive film terminals 140.
  • the controller 220 is disposed under the transparent conductive film assembly.
  • the controller includes a printed circuit board (not shown) and a display area 225 having display elements disposed therein, the printed circuit board electrically connecting the display area 225 to control the display area 225.
  • the printed circuit board receives the touch signal control display area 225 from the transparent conductive film assembly for display; the display area 225 corresponds to the transparent conductive film assembly, so that the display area 225 is displayed at the time of power-on, the user or the observer is at the transparent conductive film assembly. For example, the display content is seen directly above or directly in front of the transparent conductive film assembly. Because the transparent conductive film assembly can be controlled by the integrated circuit on the printed circuit board, the transparent conductive film assembly is not energized before the touch, that is, it is invisible, and the display area 225 is displayed after being touched, so that it is not necessary to be particularly in the button area. Identifies the function of each button.
  • the transparent conductive film assembly may include a plurality of transparent conductive films 120 and conductive film terminals 140.
  • Each of the transparent conductive films 120 is disposed under the panel 90.
  • the transparent conductive film 120 is adhered to the underside of the panel through the transparent double-sided adhesive 110 for receiving a touch signal;
  • the conductive film terminal 140 is electrically connected to the transparent conductive film 120 and the printed circuit board, and is used for outputting the transparent conductive film 120.
  • the touch signal is applied to the printed circuit board; the controller 220 may be disposed under the plurality of transparent conductive films 120 (not shown).
  • the printed circuit board receives the touch signal transmitted from the transparent conductive film 120 through the conductive film terminal 140 to control the display area for display; the display area corresponds to the plurality of transparent conductive films 120, so that the display area is transparent when the user or the observer is transparent.
  • the display area corresponds to the plurality of transparent conductive films 120, so that the display area is transparent when the user or the observer is transparent.
  • the display content is seen directly above or directly in front of the transparent conductive film 120.
  • the transparent conductive film 120 is not electrically displayed before being touched, that is, invisible.
  • the display area is controlled by the integrated circuit on the printed circuit board for power-on display, so that it is not necessary to specifically identify the functions of the respective buttons in the button area.
  • the display device further includes: a light source (not shown) disposed on the printed circuit board and disposed corresponding to the transparent conductive film assembly, for example, corresponding to the plurality of transparent conductive films 120; providing light for the display of the display area or Brightness, in this way, facilitates large-scale, integrated production.
  • a light source (not shown) disposed on the printed circuit board and disposed corresponding to the transparent conductive film assembly, for example, corresponding to the plurality of transparent conductive films 120; providing light for the display of the display area or Brightness, in this way, facilitates large-scale, integrated production.
  • the light source can also be placed in a suitable place outside the printed circuit board, or the display device can use the light source to provide brightness for the display of the display area by other means.
  • the plug-in terminal 240 is disposed on the printed circuit board of the controller 220, and the plug-in terminal 240 has a structure suitable for abutting with the conductive film terminal 140; the threading hole 230 is disposed on the printed circuit board.
  • the threaded hole 230 is preferably disposed at a middle portion of the printed circuit board or at a significant distance from the edge of the printed circuit board; the conductive film terminal 140 is mated with the mating terminal 240 through the threading hole 230.
  • the conductive film terminal 140 is butted against the mating terminal 240 through the threading hole 230, and the erroneous operation of the button can be avoided.
  • the transparent conductive film 120 is disposed on the substrate 100.
  • the substrate 100 is a polyester film substrate, that is, a PET substrate.
  • the transparent conductive material of the display device (mainly the transparent conductive material of the transparent conductive film 120) is, for example, a dopant of indium tin oxide In2O3 and Sn2O3, and other materials, the colors of which are slightly different, and the price difference is large.
  • the design of the conductive film needs to consider its own resistance.
  • the transparent conductive material of the display device requires a small input impedance, because the touch chip always charges and discharges the display device when the system detects the button.
  • the display device with the touch button further comprises: a silver glue line 130 electrically connected between the transparent conductive film 120 and the conductive film terminal 140.
  • a silver glue line 130 electrically connected between the transparent conductive film 120 and the conductive film terminal 140.
  • the silver glue line 130 partially overlaps the transparent conductive film 120.
  • a transparent window 150 is disposed in front of the conductive film 120 (on the left side of the conductive film 120), and the components of the conductive film 120, the silver paste line 130, and the conductive film terminal 140 are adhered to the panel 90 by the double-sided tape 110.
  • Rear ie the right side of the panel;
  • the display region 225 may be disposed directly behind the conductive film 120 Square (right side of the conductive film 120;).
  • the conductive film 120 and the silver paste line 130 need to partially overlap during printing to ensure that the two materials are in full contact with conduction. Then, the insulating material layer 160 is printed, for example, to the area other than the conductive film 120 and the transparent window 150 to ensure that the silver glue line 130 is not exposed to the air to form an oxidation failure; at the same time, the adjacent conductive film 120 is ensured.
  • the conductive insulating ink layer can block the area of the panel except the conductive film 120 and the transparent window 150, thereby ensuring the appearance of the display device, and the appearance of the display device when the power is turned off or not powered. For a complete mirror effect, the display and button content are hidden behind the panel. Preferably, as shown in FIG.
  • the panel is provided with a clip 210 that is engaged with the conductive film terminal 140.
  • the routing and setting of the conductive film terminals 140 are facilitated.
  • the operation of the display device of the present invention will now be described.
  • the solution of the present invention is based on the technology of a capacitive touch chip, each transparent conductive film 120 of the display device being connected to the input detection port of the touch chip.
  • the touch chip senses that the capacitance on the transparent conductive film 120 corresponding to the position changes, the output level is detected, and the main IC of the display panel detects the low level for recognition.
  • This position displays the contents of the button.
  • the transparent conductive material of the display device transparent conductive film 120 is, for example, a dopant of indium tin oxide In2O3 and Sn2O3, and other materials, the colors are slightly different, and the price difference is large. For a touch chip requiring a small input impedance, the design of the conductive film needs to consider its own resistance.
  • the transparent conductive material of the transparent conductive film of the display device requires a small input impedance, because the touch chip always performs the display device when the system detects the button. Charging and discharging, if the input impedance of the display device is too large, the signal of the touch chip to the conductive film will be consumed during the transmission, so that the conductive film cannot be charged and discharged, and the system cannot work normally.
  • the rate p is on the order of 10 ⁇ 4
  • the film thickness d is related to the selected material. If the material selected is better, the thicker the film thickness d, the smaller the R port can be seen according to the formula. Therefore, when the material properties are the same, selecting a material with a thick film thickness d can reduce the material.
  • L1 is the line length in the direction of the parallel current
  • L2 is the line length in the direction of the vertical current. Therefore, it can be seen that when the selected 1 ⁇ is not improved, it is considered to make the line of L1 as wide as possible.
  • the display device since the display device is used as an input port of the touch chip, the display device inevitably has a line length of the display device that needs to be retained for a certain length, as a space when the terminal is inserted, After the plugging is completed, the cord must have excess parts left in the vicinity of the plug-in port, and even attached directly to the controller or the panel structural member, which cannot be fixed. Since the touch chip senses any change on the button, when the line of the display device is not fixed, it is easy to cause a certain change of the line of the display device due to vibration of the body or when the hand is pressed, thereby generating a false button. The situation happened.
  • the present invention mainly includes the silver glue line 130 and the conductive film terminal 140 first being stuck to the panel by the clip 210. Then, the threading hole 230 opened on the controller is passed through the back of the controller to be docked and fixed by the plug-in terminal 240, so that the entire design avoids the problem of the wrong button caused by the unknown use condition, thereby preventing unnecessary generation.
  • the invention conceals the button area by the design of the conductive film and the touch button circuit, is convenient for the user to use, and also makes the design compact.
  • the appearance of the home appliance is more beautiful, and the display size is reduced, and the button operation is more vivid.
  • the present invention can be applied to household appliances such as an air conditioner and a refrigerator, and a member such as a transparent conductive film 120 can be disposed under or behind a panel of a home appliance such as an air conditioner or a refrigerator.
  • the display looks like a complete mirror effect, and the display and button content are hidden behind the display panel.
  • the wire strip mainly includes the silver glue line 130 and the conductive film terminal 140 firstly fastened to the panel by the clip 210, and then passed through the threading hole 230 opened on the controller to the back of the controller through the mating terminal 240.
  • the entire design is prevented from accidentally pressing the button due to an agnostic use situation, preventing unnecessary interference.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)

Abstract

La présente invention concerne un dispositif d'affichage à touches tactiles comprenant un panneau (90), un module de film conducteur transparent (120) et un contrôleur (220). Le contrôleur (220) se situe sous le module de film conducteur transparent (120) et comprend une carte à puce (PCB) et une zone d'affichage. Le module de film conducteur transparent est connecté électriquement à la PCB. Grâce à la conception du film conducteur et du circuit à touches tactiles, une zone de touche peut être cachée pour être utilisée de manière commode par un utilisateur et être conçue de manière compacte, améliorant de ce fait l'apparence esthétique des appareils électroménagers. La taille de l'écran est réduite et l'actionnement d'une touche est plus clair et visuel.
PCT/CN2010/075161 2009-07-17 2010-07-14 Dispositif d'affichage à touches tactiles WO2011006435A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910160029.5 2009-07-17
CN2009101600295A CN101958082B (zh) 2009-07-17 2009-07-17 具有触摸按键的显示系统

Publications (1)

Publication Number Publication Date
WO2011006435A1 true WO2011006435A1 (fr) 2011-01-20

Family

ID=43448945

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/075161 WO2011006435A1 (fr) 2009-07-17 2010-07-14 Dispositif d'affichage à touches tactiles

Country Status (2)

Country Link
CN (1) CN101958082B (fr)
WO (1) WO2011006435A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101882515A (zh) * 2010-06-18 2010-11-10 矽创电子股份有限公司 按键结构及其电器装置
CN103544883B (zh) * 2012-07-13 2016-04-13 珠海格力电器股份有限公司 显示装置及空调器
CN103219981A (zh) * 2013-04-26 2013-07-24 信利半导体有限公司 一种触摸按键板及其制作方法和触摸按键设备
CN103236601B (zh) * 2013-05-17 2015-07-01 唐山昌硕电器有限公司 带指示器的接线端子
CN105206183B (zh) * 2015-11-03 2018-10-26 珠海格力电器股份有限公司 显示面板及包括该显示面板的电器
CN106200164B (zh) * 2016-07-29 2019-11-05 厦门天马微电子有限公司 一种显示面板
CN108008861B (zh) * 2017-12-15 2021-09-03 北京京东方光电科技有限公司 用于显示组件的阵列基板、显示组件及电子设备
CN109003538A (zh) * 2018-08-02 2018-12-14 珠海格力电器股份有限公司 一种显示板结构及除霾机

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WO2002056101A1 (fr) * 2001-01-10 2002-07-18 A. Touch Co., Ltd. Structure de contact de substrats d'un ecran tactile et procede de collage associe
CN1501314A (zh) * 2002-11-18 2004-06-02 Lg.������Lcd���޹�˾ 触摸板系统和使用该系统的显示设备
CN101114203A (zh) * 2006-07-26 2008-01-30 群康科技(深圳)有限公司 触摸屏显示单元
WO2008013220A1 (fr) * 2006-07-27 2008-01-31 Panasonic Corporation Appareil de cuisson
CN201163767Y (zh) * 2008-03-14 2008-12-10 汕头市夏野电器有限公司 一种触摸电容感应控制装置
CN201514734U (zh) * 2009-07-17 2010-06-23 珠海格力电器股份有限公司 一种显示装置

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CN1145832C (zh) * 1995-03-31 2004-04-14 精工爱普生株式会社 液晶显示装置
CN101395565B (zh) * 2005-12-30 2012-05-30 苹果公司 以不同模式操作的手持装置及其操作方法
CN200997735Y (zh) * 2007-01-16 2007-12-26 深圳市创荣发电子有限公司 带有数字式触摸屏的遥控器

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Publication number Priority date Publication date Assignee Title
WO2002056101A1 (fr) * 2001-01-10 2002-07-18 A. Touch Co., Ltd. Structure de contact de substrats d'un ecran tactile et procede de collage associe
CN1501314A (zh) * 2002-11-18 2004-06-02 Lg.������Lcd���޹�˾ 触摸板系统和使用该系统的显示设备
CN101114203A (zh) * 2006-07-26 2008-01-30 群康科技(深圳)有限公司 触摸屏显示单元
WO2008013220A1 (fr) * 2006-07-27 2008-01-31 Panasonic Corporation Appareil de cuisson
CN201163767Y (zh) * 2008-03-14 2008-12-10 汕头市夏野电器有限公司 一种触摸电容感应控制装置
CN201514734U (zh) * 2009-07-17 2010-06-23 珠海格力电器股份有限公司 一种显示装置

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Publication number Publication date
CN101958082B (zh) 2012-07-25
CN101958082A (zh) 2011-01-26

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