WO2012134047A2 - Actionneur haptique - Google Patents

Actionneur haptique Download PDF

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Publication number
WO2012134047A2
WO2012134047A2 PCT/KR2012/000591 KR2012000591W WO2012134047A2 WO 2012134047 A2 WO2012134047 A2 WO 2012134047A2 KR 2012000591 W KR2012000591 W KR 2012000591W WO 2012134047 A2 WO2012134047 A2 WO 2012134047A2
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WO
WIPO (PCT)
Prior art keywords
support
panel
coupling
support part
coupled
Prior art date
Application number
PCT/KR2012/000591
Other languages
English (en)
Korean (ko)
Other versions
WO2012134047A3 (fr
Inventor
정회원
서종식
김민기
천세준
Original Assignee
(주)하이소닉
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 (주)하이소닉 filed Critical (주)하이소닉
Publication of WO2012134047A2 publication Critical patent/WO2012134047A2/fr
Publication of WO2012134047A3 publication Critical patent/WO2012134047A3/fr

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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
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • 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
    • 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
    • G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547—Touch pads, in which fingers can move on a surface
    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00—Piezoelectric or electrostrictive devices
    • H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
    • H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
    • H10N30/2041—Beam type
    • H10N30/2042—Cantilevers, i.e. having one fixed end
    • H10N30/2043—Cantilevers, i.e. having one fixed end connected at their free ends, e.g. parallelogram type

Definitions

  • the present invention relates to a haptic actuator, and more particularly, to a haptic actuator that generates vibration when a touch pad is touched so that a user can feel it.
  • Modern interface devices provide the user with forced or contact feedback known as haptic feedback.
  • haptic versions of joysticks, mice, gamepads, steering wheels, or other devices output forces to the user based on events or interactions that occur in a graphical environment, such as in a game or other application program. can do.
  • the touch pad which is a small rectangular flat pad provided in a mobile terminal, senses the position of the pointing object by any of various sensing techniques such as a capacitive sensor or a pressure sensor that senses the pressure applied thereto.
  • the above haptic feedback is also provided to the touch pad of the portable terminal.
  • FIG. 1 is a structural diagram showing a portable terminal capable of haptic feedback according to the prior art.
  • the touch pad 16 is flexibly installed in the housing (not shown) of the portable terminal by a spring 62.
  • a piezoelectric actuator 64 is mounted below the touch pad 16.
  • a portion 66 of the piezoelectric actuator 64 is coupled to the touch pad 16, and the other portion 68 is coupled to the mass 70.
  • the mass 70 moves approximately along the Z axis and is free to move because it is not coupled to the housing.
  • Movement of the mass 70 along the Z axis causes an inertial force transmitted to the touch pad 16 through the piezoelectric actuator 64, and the touch pad 16 moves along the Z axis due to the elastic coupling.
  • the movement of the touch pad 16 is detected as a haptic sensation by a user who contacts the touch pad 16.
  • the conventional haptic actuator 64 has a problem in that the sensitivity of the haptic feedback is lowered because the vertical movement force is weak.
  • An object of the present invention is to provide a haptic actuator that can stably increase vertical vibration force and improve sensitivity of haptic feedback.
  • the base A vibrator mounted to be moved upward and downward on an upper portion of the base; A piezoelectric element coupled to the vibration unit; Consists of a panel portion mounted on the upper portion of the vibrating portion, the vibrating portion is coupled to the panel portion; A first support part having one end connected to the coupling part and the other end protruding in the horizontal direction from the coupling part; The coupling part is formed to protrude in a horizontal direction parallel to the first support part, the end is bent in a downward direction and consists of a second support part fixed to the base, the piezoelectric element is mounted on the first support part When applied, the first support portion is bent and deformed in the vertical direction to generate vibration in the vertical direction.
  • the second support may include an upper support having one end connected to the coupling part and the other end protruding in a horizontal direction; A lower support part spaced apart from the upper support part at a lower part of the upper support part, and having one end fixedly coupled to the base; It is formed to be bent one end is connected to the other end of the upper support portion, the other end is made of a bent portion connected to the other end of the lower support portion, the coupling portion and the panel portion elastically supports in the vertical direction.
  • the first support part and the second support part are spaced apart from the bottom surface of the panel part.
  • a support block for supporting the other end of the first support part is formed on the base, and the first support part is spaced apart from the bottom of the base, and the other end of the first support part is connected to the first support part by the piezoelectric element. During bending deformation, lowering is prevented in contact with the support block.
  • the first support part and the second support part are formed in pairs on both sides of the coupling part.
  • the first support part and the second support part are disposed symmetrically in front, rear, left and right with respect to the center of the panel part.
  • the panel unit the lower portion is coupled to the coupling portion; A liquid crystal part seated on an upper portion of the frame; The touch pad is coupled to the upper part of the frame while covering the upper part of the liquid crystal part, and a first seating recess in which the liquid crystal part is seated and a second seating recess in which the touch pad is seated are formed on an upper surface of the frame.
  • a spaced groove is formed to be spaced apart from the first support portion and the second support portion.
  • the force is effectively transmitted to the panel unit to increase and decrease the driving force, thereby improving the vibration sensitivity or clicking feeling of the panel unit.
  • FIG. 1 is a structural diagram showing a portable terminal capable of haptic feedback according to the prior art
  • FIG. 2 is a perspective view of a haptic actuator according to an embodiment of the present invention
  • FIG. 3 is an exploded perspective view of one direction of a haptic actuator according to an embodiment of the present invention.
  • FIG. 4 is an exploded perspective view of another direction of a haptic actuator according to an embodiment of the present invention.
  • FIG. 5 is a cross-sectional view taken along line A-A of FIG.
  • FIG. 6 is a cross-sectional view of a vibrating part and a panel part being raised by the piezoelectric element in FIG. 5.
  • FIG. 2 is a perspective view of a haptic actuator according to an embodiment of the present invention
  • Figure 3 is a one-way exploded perspective view of the haptic actuator according to an embodiment of the present invention
  • Figure 4 is a different direction decomposition of the haptic actuator according to an embodiment of the present invention
  • 5 is a cross-sectional view taken along line AA of FIG. 2
  • FIG. 6 is a cross-sectional view of the vibrating unit and the panel unit being raised by the piezoelectric element in FIG. 5.
  • the actuator of the present invention includes a base 110, a vibrator 120, a piezoelectric element 130, and a panel unit 140.
  • the base 110 is formed in a hexahedral shape, the upper portion of which is open so that the vibration part 120, the piezoelectric element 130, and the panel part 140 are disposed therein.
  • the base 110 is formed with an insertion groove 111 for inserting and coupling the end of the second support part 123 of the vibration part 120 to be described later, the first support part of the vibration part 120 ( A support block 112 for supporting the end of 122 is formed to protrude.
  • the vibrator 120 is mounted to be moved upward and downward on the base 110, and includes a coupling part 121, a first support part 122, and a second support part 123.
  • the coupling part 121 has a flat plate shape, and is coupled to a lower portion of the edge of the panel unit 140, and a circuit board is mounted below the coupling part 121.
  • the coupling part 121 may be formed in one hollow quadrangle and may be coupled to the entire lower edge of the panel part 140.
  • the coupling part 121 may be divided into two parts as in the present exemplary embodiment, and the lower edge of one side of the panel part 140 may be separated. It may be coupled to the lower edge of the other side, respectively, may be divided into two or more if necessary.
  • the coupling portion 121 is mounted so that the front, rear, left and right symmetric with respect to the center of the panel unit 140, the vibration unit 120 to stably support the panel portion 140 in the vertical direction. To help.
  • the first support part 122 has a rod shape, and protrudes in the horizontal direction from the coupling part 121.
  • one end of the first support part 122 is integrally connected to the coupling part 121, and the other end, that is, the end thereof protrudes in the horizontal direction.
  • the first support part 122 is formed to protrude one by one on both sides of the coupling part 121.
  • the second support part 123 is protruded in a horizontal direction parallel to the first support part 122 in the coupling portion 121, the end is bent downward and fixedly coupled to the base 110.
  • the second support part 123 is disposed inward from the first support part 122, and is protruded one by one from both sides of the coupling part 121.
  • first support part 122 and the second support part 123 are formed in pairs on both sides of the coupling part 121.
  • first support part 122 and the second support part 123 are disposed symmetrically in front, rear, left and right with respect to the center of the panel part 140, and stably support the panel part 140.
  • the coupling part 121 is separated into two bars.
  • the first support part 122 and the second support part 123 formed at each coupling part 121 protrude in a direction facing each other. .
  • the piezoelectric element 130 is coupled to the lower portion of the first support part 122 for a long time.
  • the piezoelectric element 130 Since the piezoelectric element 130 is mounted on the first support part 122, the piezoelectric element 130 is contracted or extended when power is applied, and the first support part 122 is bent and deformed in a vertical direction, thereby causing the panel part 140 to be vertically moved. It plays a role of generating vibration so that it can flow.
  • Such a structure for compressing or extending the power when the power is applied to the piezoelectric element 130 is sufficient to use a conventionally known technique, and thus a detailed description thereof will be omitted.
  • the other end of the first support part 122 that is, the end, is supported by the support block 112 protruding from the base 110.
  • the other end of the first support part 122 is not fixedly coupled to the support block 112, so that the lower end of the first support part 122 simply contacts the upper surface of the support block 112.
  • first support part 122 is spaced apart from the bottom surface of the base 110.
  • the other end of the first support part 122 is in contact with the support block 112 when the first support part 122 is bent and deformed by the piezoelectric element 130, thereby preventing the lowering of the first support part 122.
  • the coupling part 121 and the panel part 140 connected to one end of the 122 are raised.
  • the second support part 123 includes an upper support part 124, a lower support part 125, and a bent part 126.
  • One end of the upper support portion 124 is connected to the coupling portion 121 and the other end is formed to protrude in a horizontal direction parallel to the first support portion 122.
  • the length of the upper support 124 is smaller than the length of the first support 122.
  • the lower support part 125 is spaced apart from the upper support part 124 at the lower portion of the upper support part 124, and one end of the second support part 123 is fixedly coupled to the base 110.
  • One end of the lower support part 125 that is, the end of the second support part 123 is inserted into and fixed to the insertion groove 111 formed in the base 110, thereby fixing it not to move in the vertical direction as well as in the left and right directions. do.
  • One end of the lower support portion 125 is further protruded outward than the coupling portion 121 is inserted into the insertion groove 111 is coupled.
  • the bent portion 126 is bent in a ' ⁇ ' shape, one end is connected to the other end of the upper support portion 124, the other end is connected to the other end of the lower support portion 125.
  • the second support part 123 elastically supports the coupling part 121 and the panel part 140 in the vertical direction.
  • the panel unit 140 is mounted on the vibration unit 120, and includes a frame 141, a liquid crystal unit 145, and a touch pad 146.
  • the frame 141 is formed in a square shape, and a lower portion thereof is combined with the coupling portion 121.
  • the coupling part 121 is formed with a first mounting groove 143 for mounting the liquid crystal part 145 and a second mounting groove 144 for mounting the touch pad 146.
  • the first seating groove 143 is formed deeper inside the second seating groove 144.
  • the first mounting groove 143 is seated on the liquid crystal part 145 at the top of the frame 141.
  • the touch pad 146 covers the upper part of the liquid crystal part 145 and is seated in the second seating groove 144 formed in the upper part of the frame 141.
  • first support part 122 and the second support part 123 are spaced apart from the bottom surface of the panel part 140.
  • first support part 122 and the second support part 123 come into contact with the bottom surface of the panel part 140 when the deformation of the vibration part 120 by the piezoelectric element 130 causes a failure in bending deformation. To prevent this.
  • a spaced groove 142 for spaced apart from the first support portion 122 and the second support portion 123 is formed in the lower portion of the frame 141.
  • the vibrator 120 supports the panel 140 upward without being deformed.
  • the first support portion 122 is disposed in the horizontal direction and the bottom surface of the other end is in contact with the upper portion of the support block 112.
  • the second support portion 123 is bent and the end is inserted into the insertion groove 111 is coupled.
  • the first support part 122 to which the piezoelectric element 130 is coupled is about to be bent in one end and the other end relative to the center thereof.
  • one end of the first support part 122 is not coupled to the frame 141 through the coupling part 121 and thus cannot move, and the other end of the first support part 122 moves in one direction. Done.
  • the first support portion 122 As the other end of the first support portion 122 moves in one direction, the first support portion 122 is bent while moving downward, and the first support portion moves as the first support portion 122 moves downward. The other end of the 122 is lowered together with the panel 140 while compressing the second support 123.
  • the first support part 122 to which the piezoelectric element 130 is coupled tries to bend one end and the other end relative to the center thereof.
  • one end of the first support part 122 is not coupled to the frame 141 through the coupling part 121 and thus cannot be moved, so that the other end of the first support part 122 moves in the one direction. Will move.
  • the first support part 122 As the other end of the first support part 122 moves in one direction, the first support part 122 is bent while moving upward, and the first support part moves as the first support part 122 moves upward. The other end of the 122 is raised together with the panel 140 while inflating the second support 123.
  • Lifting motion of the panel unit 140 as described above is made quickly when the user touches the finger to the touch pad 146, the force or vibration sensitivity according to the lifting of the panel unit 140 to the user's finger Feel it.
  • the lifting movement of the panel unit 140 as described above may be generated only once when the user touches the touch pad 146, or may be generated several times such as a vibration motor by shortening the period.
  • the haptic actuator of the present invention is not limited to the above-described embodiments, and may be variously modified and implemented within the scope of the technical idea of the present invention.
  • the present invention is applied to the haptic actuator of the portable terminal, it generates a vibration when the touch of the touch pad to make the user feel the touch, and can stably increase the vertical vibration force and improve the sensitivity of the haptic feedback.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Nonlinear Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mathematical Physics (AREA)
  • Optics & Photonics (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)

Abstract

La présente invention concerne un actionneur haptique, et plus particulièrement, un actionneur haptique dans lequel une vibration se produit lorsqu'un utilisateur touche un pavé tactile de façon à permettre à l'utilisateur de sentir le toucher. L'actionneur haptique comprend : une base ; une partie vibrante montée sur la partie supérieure de la base de façon à être mobile verticalement ; un élément piézoélectrique couplé à la partie vibrante ; et une partie de panneau montée sur la partie supérieure de la partie vibrante. La partie vibrante comprend : une partie de couplage couplée à la partie de panneau ; une première partie de support, dont une extrémité est couplée à la partie de couplage et dont l'autre extrémité dépasse horizontalement de la partie de couplage ; et une seconde partie de support dépassant de la partie de couplage dans la direction horizontale parallèle à celle de la première partie de support, une extrémité de la seconde partie de support étant pliée vers le bas et couplée fixement à la base. L'élément piézoélectrique est monté sur la première partie de support de façon à plier verticalement la première partie de support lorsqu'une alimentation est appliquée, en provoquant de ce fait la vibration verticale de la partie de panneau.
PCT/KR2012/000591 2011-03-31 2012-01-25 Actionneur haptique WO2012134047A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110029716A KR101171163B1 (ko) 2011-03-31 2011-03-31 햅틱 액츄에이터
KR10-2011-0029716 2011-03-31

Publications (2)

Publication Number Publication Date
WO2012134047A2 true WO2012134047A2 (fr) 2012-10-04
WO2012134047A3 WO2012134047A3 (fr) 2012-12-06

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Application Number Title Priority Date Filing Date
PCT/KR2012/000591 WO2012134047A2 (fr) 2011-03-31 2012-01-25 Actionneur haptique

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KR (1) KR101171163B1 (fr)
TW (1) TW201246777A (fr)
WO (1) WO2012134047A2 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101412919B1 (ko) * 2012-08-23 2014-07-03 삼성전기주식회사 진동발생장치
KR101932659B1 (ko) 2012-09-10 2018-12-28 주식회사 엠플러스 진동발생장치
KR101452055B1 (ko) 2012-12-03 2014-10-21 삼성전기주식회사 진동발생장치
KR101405123B1 (ko) 2012-12-05 2014-06-10 주식회사 하이소닉 햅틱 액추에이터
FR3000301B1 (fr) * 2012-12-20 2015-02-06 Dav Actionneur piezo-electrique et procede de fabrication associe
JP5904174B2 (ja) * 2013-08-22 2016-04-13 Smk株式会社 タッチパネルの支持構造
KR20160148881A (ko) * 2015-06-17 2016-12-27 에스프린팅솔루션 주식회사 화상형성장치 및 전자장치
TWI675323B (zh) * 2018-11-02 2019-10-21 致伸科技股份有限公司 觸控板模組以及具有觸控板模組的電子計算機

Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2004094389A (ja) * 2002-08-29 2004-03-25 Sony Corp 入出力装置および入出力装置を有する電子機器
KR20080096854A (ko) * 2001-03-09 2008-11-03 임머숀 코퍼레이션 랩톱 컴퓨터 및 기타 휴대 장치용 햅틱 인터페이스
KR20100110569A (ko) * 2009-04-03 2010-10-13 삼성전기주식회사 터치스크린 장치

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080096854A (ko) * 2001-03-09 2008-11-03 임머숀 코퍼레이션 랩톱 컴퓨터 및 기타 휴대 장치용 햅틱 인터페이스
JP2004094389A (ja) * 2002-08-29 2004-03-25 Sony Corp 入出力装置および入出力装置を有する電子機器
KR20100110569A (ko) * 2009-04-03 2010-10-13 삼성전기주식회사 터치스크린 장치

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TW201246777A (en) 2012-11-16
WO2012134047A3 (fr) 2012-12-06
KR101171163B1 (ko) 2012-08-06

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