WO2013186816A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2013186816A1 WO2013186816A1 PCT/JP2012/003899 JP2012003899W WO2013186816A1 WO 2013186816 A1 WO2013186816 A1 WO 2013186816A1 JP 2012003899 W JP2012003899 W JP 2012003899W WO 2013186816 A1 WO2013186816 A1 WO 2013186816A1
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- WIPO (PCT)
- Prior art keywords
- unit
- area
- display device
- image display
- touch
- Prior art date
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/028—Tactile feedback alterable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2215/00—Tactile feedback
- H01H2215/046—Inflatable bubble or cell
Definitions
- This invention relates to a display device provided with a touch panel.
- Patent Document 1 discloses a touch panel device having a mechanism that feeds back a tactile sensation according to a touch operation to an operator of the touch panel.
- the device includes a case having an opened operation window, a touch panel accommodated in the case, an image display device disposed on the back side of the touch panel, and a position corresponding to the image display device side of the touch panel and around the operation window.
- a portion corresponding to the periphery of the operation window of the touch panel is fixed to the case, and a voltage is applied to the piezoelectric element when the touch panel is touched through the operation window. The operation of contracting in the length direction and then stopping the voltage application is repeated.
- the operation unit outside the image display area forms the image of the operation unit by back side printing on the back side of the touch panel. Therefore, even if operated, the image of the operation unit itself does not change and gives a feeling of operation to the operated finger. If not, there is a problem that it is difficult to determine whether or not the operation has been properly performed. For example, when a “return” button for returning to the previous processing result is formed in an area outside the image display area, a web search or the like is sequentially performed, and when the “return” button is operated in the middle, the return is performed. When a search result similar to the previous one is displayed, the image of the “return” button itself does not change and no operational feeling is given, so there is a possibility that the operator may be confused as to whether or not the operation has been properly performed.
- Patent Document 1 feeds back a tactile sensation according to a touch operation in order to make the operator feel that the operation has been performed.
- the touch operation area superimposed on the image display area is targeted, it is not possible to solve the problem related to the operation unit outside the image display area as described above.
- the driver needs to concentrate on driving, and thus the display content may not be sufficiently visible.
- the present invention has been made to solve the above-described problems, and can appropriately give an operational feeling to an indicator that operates an operation unit formed in an area other than the image display area of the touch operation area. It is an object to obtain a display device that can be used.
- the display device provides an operational feeling to a touch panel having a touch operation area wider than the image display area, an operation unit formed in an area outside the image display area of the touch operation area, and an indicator operating the operation unit.
- An operation feeling generating unit is provided.
- FIG. 6 is a diagram showing an operation unit formed outside an image display area according to Embodiment 1.
- FIG. FIG. 10 is a cross-sectional view showing another configuration example of the operation unit formed outside the image display area according to the first embodiment. It is a figure which shows the display apparatus which concerns on Embodiment 2 of this invention.
- 12 is a cross-sectional view showing another configuration example of the operation unit formed outside the image display area according to Embodiment 2.
- FIG. It is a figure which shows the display apparatus which concerns on Embodiment 3 of this invention. It is a figure which shows the display apparatus which concerns on Embodiment 4 of this invention.
- FIG. 1A and 1B are diagrams showing a display device according to Embodiment 1 of the present invention.
- FIG. 1A is a front view of the display device according to Embodiment 1
- FIG. 3 is a cross-sectional arrow diagram schematically showing a cross section taken along line AA in a).
- the display device 1 illustrated in FIG. 1 is applied to an information processing device such as a smartphone, a tablet PC, or a PND (Portable Navigation Device). As shown in FIG.
- the housing case 2 of the display device 1 is a box-shaped housing having an image display surface side on which the touch panel 3 is assembled, and accommodates the liquid crystal display panel 4 and the internal circuit 5.
- the touch panel 3 has, for example, a configuration in which two transparent electrodes are overlapped via a spacer member. When the upper and lower transparent electrodes are locally contacted by pressing with an indicator, the coordinates of the pressed position are detected. It has come to be.
- the display device 1 has a touch operation area (longitudinal size a) of the touch panel 3 wider than the image display area (longitudinal size b), and the operation area 3a in the image display area.
- A longitudinal size c
- an operation region 3b longitudinal size d
- symbols or characters indicating the contents of the operation section are displayed in the image display area as icon images or button images (in the example of 1 (a), mail icons, camera icons, telephone icons). These icon images or button images are touch-operated by an indicator, and processing corresponding to the operation content is performed. At this time, no operational feeling is generated.
- a printing unit 6 subjected to non-transparent printing is formed as shown in FIG.
- the printing unit 6 has removed the non-transparent printing of the symbol or character portion indicating the contents of the operation unit of the operation region 3b, or excluded the non-transparent printing of the symbol or character portion. Later, translucent printing is applied.
- a symbol or character portion indicating the content of the operation unit is illuminated by transmitting light from a light source disposed on the back side of the touch panel 3.
- the display device 1 is an operation that gives a feeling of operation to an operated indicator such as a finger or a stylus pen when the operation unit of the operation area 3b is pressed (operation in the direction of the arrow in FIG. 1B)
- a feeling generation unit 7 is provided.
- the operation feeling generated by the operation feeling generation unit 7 is an operation feeling generated when the pointing object performs an operation of pushing and releasing the operation unit of the operation area 3b, and examples thereof include a click feeling and vibration.
- FIG. 2 is a view showing the operation unit formed outside the image display area according to the first embodiment, and is a view of the operation part of the operation area 3b as viewed from the front.
- the operation feeling generation unit 7 is slightly shifted from the symbols (or characters) indicating the contents of the operation units. That is, on the back side of the operation area 3b, the illumination unit 3b-1 that illuminates a symbol (or character) and the operation feeling generation unit 7 are adjacent to each other. By comprising in this way, both the illumination for visually specifying an operation part and the operation feeling for making operation to an operation part tactile sense can be obtained.
- FIG. 3 is a cross-sectional view showing another configuration example of the operation unit formed outside the image display area according to the first embodiment.
- a flexible transparent resin 8 is filled between the back side of the touch panel 3 and the display surface side of the liquid crystal display panel 4 and the back side of the operation feeling generating unit 7.
- the transparent resin 8 is a resin having high transparency and strong impact resistance.
- a polycarbonate (PC) resin or an acrylic resin (polymethyl methacrylate (PMMA) resin) is used.
- a so-called film-like touch panel composed of a film-like member that is elastically deformed by an external load is used as the touch panel 3.
- a transparent resin 8 as shown in FIG. 3 is filled. Thereby, an excessive load is absorbed by the transparent resin 8.
- the touch panel 3 having a touch operation region wider than the image display region, the operation unit formed in the region 3b outside the image display region of the touch operation region, and the operation unit are provided.
- An operation feeling generating unit 7 that gives an operation feeling to the operated instruction object is provided.
- Embodiment 2 the case where the operation area 3b is in the same plane as the other areas of the touch operation area, that is, the same surface state is shown.
- the operation unit outside the image display area is in a three-dimensionally different surface state from the other areas of the touch operation area.
- the surface state is a protrusion or depression.
- FIG. 4 is a diagram showing a display device according to Embodiment 2 of the present invention, and has a surface state in which an operation unit outside the image display area protrudes.
- FIG. 4 (a) is a cross-sectional arrow diagram schematically showing a cross section of the display device 1A according to the second embodiment taken along the line AA in FIG. 1 (a).
- FIG. 4B is a front view of the operation unit portion of the operation region 3b1
- FIG. 4C is a cross-sectional view illustrating another configuration example of the operation unit of the operation region 3b1.
- the touch operation area of the touch panel 3 is wider than the image display area, and the operation area 3a is formed in the image display area.
- An operation area 3b1 is formed outside the area.
- the touch panel 3 As the touch panel 3, the film-like touch panel shown in FIG. 3 is used, and the part corresponding to the operation part of the operation area 3b1 is raised with respect to other areas of the touch operation area as shown in FIG. .
- a printing unit 6 subjected to non-transparent printing is formed as in the first embodiment.
- the printing part 6 has removed the non-transparent printing of the symbol or character part indicating the contents of the operation part of the operation area 3b1, or excluded the non-transparent printing of the symbol or character part. Later, translucent printing is applied.
- the expansion element 9 that functions as an operation feeling generating unit and its control circuit 10 are installed on the back side of the operation unit in the operation region 3b1.
- the expansion element 9 is an element that expands when an electric signal is supplied.
- an element having an electrolyte solution sealing structure is provided on the back side of the operation portion of the operation region 3b1.
- the control circuit 10 is a control unit that controls expansion of the expansion element 9 and supplies an electrical signal to the expansion element 9 corresponding to the operation unit that is pressed by the operation unit.
- the control circuit 10 When the protruding operation unit in the operation area 3b1 is pressed, the control circuit 10 reads the touch detection signal of the touch panel 3 and supplies an electrical signal to the expansion element 9 at a position corresponding to the operation unit. When an electric signal is supplied from the control circuit 10, the expansion element 9 expands against the pressing operation of the indicator and is further pressed when pressed. The reaction force transition at this time is given to the indicator as an operation feeling (click feeling).
- the expansion element 9 and the control circuit 10 are at positions slightly deviated from symbols (or characters) indicating the contents of the operation units. That is, on the back side of the operation area 3b1, the illumination unit 3b-1 that illuminates a symbol (or character), the expansion element 9, and the control circuit 10 are adjacent to each other. By comprising in this way, both the illumination for visually specifying an operation part and the operation feeling for making operation to an operation part tactile sense can be obtained.
- a flexible transparent resin 8 is provided between the back surface side of the touch panel 3 and the display surface side of the liquid crystal display panel 4 and on the back surface side of the control circuit 10 as in the structure of FIG. May be filled.
- a film-like touch panel is desirable as the touch panel 3 because the reaction force due to the expansion of the expansion element 9 needs to be transmitted to the indicator via the touch panel 3. Therefore, the transparent resin 8 is filled so that the liquid crystal display panel 4, the expansion element 9, and the control circuit 10 are not subjected to a strong impact. Thereby, an excessive load is absorbed by the transparent resin 8.
- FIG. 5 is a cross-sectional view showing another configuration example of the operation unit formed outside the image display area according to the second embodiment.
- the display device 1B shown in FIG. 5 has a surface state in which the operation unit outside the image display area is recessed, contrary to the configuration of FIG. Also in the display device 1B, the touch operation area of the touch panel 3 is wider than the image display area, the operation area 3a is formed in the image display area, and the operation area 3b2 is formed outside the image display area.
- the part corresponding to the operation part of the operation area 3b2 is recessed with respect to other areas of the touch operation area as shown in FIG.
- the printing unit 6 subjected to non-transparent printing is formed on the back side of the operation area 3b2, as in the first embodiment.
- the expansion element 9 and its control circuit 10 constituting the operation feeling generating unit are installed on the back side of the operation unit in the operation region 3b2.
- the control circuit 10 When the depressed operation portion of the operation area 3b2 is pressed, the control circuit 10 reads the touch detection signal of the touch panel 3 and supplies an electric signal to the expansion element 9 at a position corresponding to the operation portion. When an electric signal is supplied from the control circuit 10, the expansion element 9 expands against the pressing operation of the indicator and is further pressed when pressed. The transition of the reaction force at this time is given to the indicator as an operation feeling (click feeling) as in the case of the protruding operation unit.
- the surface state may be a surface that is three-dimensionally different from other regions to the extent that an operation unit outside the image display region can be recognized by touch.
- the entire surface of the operation region 3b1 is made into a dimple shape with fine irregularities, or the surface state of the entire operation region 3b1 is made rough.
- the expansion element 9 and the control circuit 10 are provided in the operation part whose surface state is protruded or recessed. It may be configured to provide a reaction force (operation feeling) to the pointing object by expanding (raising from a flat state) against the pressing operation.
- the operation portion of the operation region 3b1 (or operation region 3b2) has a surface state that is three-dimensionally different from the region other than the operation portion of the touch operation region.
- a surface state that protrudes or is recessed with respect to an area other than the operation unit in the touch operation area is set.
- the expansion element 9 and the control circuit 10 are expanded against the pressing by the pointing object to give the reaction force as an operational feeling, so that the operation area 3b1 (or the operation area 3b2) It is possible to appropriately give a feeling of operation to the indicator operated by the operation unit formed in (1).
- FIG. 6 is a diagram showing a display device according to Embodiment 3 of the present invention.
- the display device 1C according to Embodiment 3 operates vibration on an indicator that operates an operation unit outside the image display area. Give as a feeling.
- FIG. 6 (a) is a cross-sectional arrow diagram schematically showing a cross section of the display device 1C according to the third embodiment taken along the line AA in FIG. 1 (a).
- FIG. 6B is a front view of a portion of the operation unit outside the image display area
- FIG. 6C is a cross-sectional view illustrating another configuration example of the operation unit outside the image display area.
- the touch operation area of the touch panel 3 is wider than the image display area, and the operation area 3a is formed in the image display area, as in the first embodiment.
- An operation area 3b is formed outside the area.
- the surface state of the operation area 3b is the same as the other areas of the touch operation area. Further, on the back side of the operation area 3b, a printing unit 6 subjected to non-transparent printing is formed as in the first embodiment. It should be noted that the printing unit 6 is configured such that the non-transparent printing of the symbol or character portion indicating the contents of the operation unit in the operation area 3b is removed or the non-transparent printing of the symbol or character portion is removed. Translucent printing is applied.
- a vibration circuit 11 that functions as an operation feeling generating unit is installed.
- the vibration circuit 11 includes a vibration element that vibrates when an electric signal is supplied, and a control circuit that supplies the electric signal to the vibration element. For example, a piezoelectric element is used as the vibration element.
- the vibration circuit 11 When the operation unit in the operation area 3b is pressed, the vibration circuit 11 reads the touch detection signal of the touch panel 3 and supplies an electric signal to the vibration element corresponding to the operation unit.
- the vibration element vibrates and transmits to the touch panel 3 when an electric signal is supplied. This vibration is given to the indicator as an operational feeling.
- the vibration circuit 11 is slightly shifted from the symbols (or characters) indicating the contents of the operation units. That is, on the back side of the operation area 3b, the illumination unit 3b-1 that illuminates a symbol (or character) and the vibration circuit 11 are adjacent to each other. By comprising in this way, both the illumination for visually specifying an operation part and the operation feeling for making operation to an operation part tactile sense can be obtained.
- a flexible transparent resin 8 is provided between the back surface side of the touch panel 3 and the display surface side of the liquid crystal display panel 4 and on the back surface side of the vibration circuit 11 similarly to the structure of FIG. May be filled.
- a film-like touch panel is desirable as the touch panel 3 because it is necessary to transmit the vibration of the vibration element to the indicator via the touch panel 3. Therefore, the transparent resin 8 is filled so that the liquid crystal display panel 4 and the vibration circuit 11 are not subjected to a strong impact. Thereby, an excessive load is absorbed by the transparent resin 8.
- the vibration circuit 11 vibrates the indicator as an operation feeling, an instruction for operating the operation unit formed in the area 3b other than the image display area of the touch operation area.
- An operational feeling can be appropriately given to an object.
- the vibration circuit 11 is provided as the operational feeling generating unit 7 in the configuration of FIG. 1.
- the configuration of the second embodiment that is, the expansion element 9 and the control in the configuration of FIG.
- the vibration circuit 11 may be provided instead of the circuit 10. Even if comprised in this way, the effect similar to the above can be acquired.
- FIG. 7 is a diagram showing a display device according to Embodiment 4 of the present invention.
- FIG. 7A shows a front view of the operation unit outside the image display area according to Embodiment 1
- FIG. 7B is a schematic cross-sectional view taken along the line BB in FIG. 7A and a functional block of the internal circuit 5.
- the display device 1D shown in FIG. 7 gives vibration as an operational feeling to an indicator that has operated an operation unit outside the image display area, for example, as in the third embodiment.
- a printing unit 6 subjected to non-transparent printing is formed on the back side of the operation area 3b.
- the printing unit 6 is configured such that the non-transparent printing of the symbol or character portion indicating the contents of the operation unit in the operation area 3b is removed or the non-transparent printing of the symbol or character portion is removed. Translucent printing is applied.
- the symbol or character portion indicating the contents of the operation unit is illuminated by transmitting light from the light source 12 arranged on the back side of the touch panel 3.
- the vibration circuit 11 is at a position slightly deviated from a symbol (or character) indicating the contents of each operation unit. That is, on the back side of the operation area 3b, the illumination unit 3b-1 that illuminates a symbol (or character) and the vibration circuit 11 are adjacent to each other. By comprising in this way, both the illumination for visually specifying an operation part and the operation feeling for making operation to an operation part tactile sense can be obtained.
- the internal circuit 5 includes a control unit 5a and a lighting control unit 5b as functional blocks.
- the control unit 5a is a control unit that controls the lighting operation of the light source 12 by the lighting control unit 5b in accordance with an operation by an indicator.
- the lighting control unit 5b is a control unit that controls the lighting operation of the light source 12 in accordance with the control from the control unit 5a.
- the control unit 5a controls the lighting operation of the light source 12 by the lighting control unit 5b according to the operation by the indicator, so that the lighting state according to the operation by the indicator is obtained.
- the operation unit is illuminated with red light, and illuminated with blue light according to the operation by the indicator.
- the red illumination indicates that the information processing is stopped
- the blue illumination indicates that the information processing according to the operation by the indicator is in progress.
- control unit 5a discriminates the surrounding situation based on the time information, speed information, and movement amount information acquired from the navigation system 13, and the lighting control unit 5b so as to obtain an illumination state according to the decided surrounding situation.
- various lighting patterns associated with the ambient situation determined from the time information, the speed information, and the movement amount information are set in advance, and the light source 12 acquires the various lighting patterns acquired from the navigation system 13.
- the lighting control unit 5b is controlled so as to have a lighting pattern of the ambient situation corresponding to the information.
- the lighting pattern is defined by the difference in luminance (light brightness), chromaticity (light color), and continuous lighting or non-continuous lighting (flashing) of illumination by the light source 12.
- the display device 1D when the speed is medium and low, and the amount of movement is below a predetermined range, focus on driving compared to when traveling at high speed for a long time. Since it is not necessary to do so, the lighting brightness and color are set to a predetermined value or less, and the lighting pattern is blinking with a long cycle. Thereby, the power consumption of the vehicle battery can also be reduced.
- the speed is high and the amount of movement exceeds the specified range, it is a situation where the driving must be more focused than usual. As a lighting pattern with a short flashing, the visibility of the operation unit is increased. Thereby, the driver can visually recognize the operation unit (operation unit outside the image display area) of the display device 1D instantaneously.
- the time information it is conceivable to use the above-described lighting pattern that increases the visibility if the school is in the school time zone when traveling around the school road in conjunction with the navigation system 13.
- the operation unit outside the image display area corresponds to predetermined operation contents (such as “return”, “search”, “menu display”), and is easier to operate than the operation unit within the image display area ( The operation unit accepts a touch operation or the like. For this reason, there is a high possibility of being operated even during driving of the vehicle. Therefore, convenience can be further improved by illuminating with the above-described lighting pattern.
- the correspondence between the ambient situation determined from the time information, the speed information, and the movement amount information and various lighting patterns may be appropriately set by the user using the input device.
- the navigation system 13 is a navigation system that performs navigation processing such as route search, route guidance, and map display.
- the display device 1D may be a display device for in-vehicle information equipment different from the navigation system 13, or may be a display device mounted on the navigation system 13.
- the navigation system 13 acquires time information and position information (latitude and longitude) of the vehicle from the analysis result of GPS radio waves received by a GPS (Global Positioning System) receiver. Further, the position information may be detected using a self-contained navigation device such as an acceleration sensor.
- the illumination unit 3b-1 that illuminates the operation unit outside the image display area from the back side of the touch panel 3, and the illumination unit 3b-1 according to the operation by the indicator
- the control part 5a and the lighting control part 5b which control illumination operation are provided.
- control unit 5a and the lighting control unit 5b change the illumination of the operation unit to a different illumination state depending on the surrounding situation, so that the visibility of the operation unit outside the image display area is changed. In addition, convenience can be improved.
- any combination of each embodiment, any component of each embodiment can be modified, or any component can be omitted in each embodiment. .
- the display device can appropriately give an operational feeling to an indicator that has operated an operation unit formed in an area other than the image display area of the touch operation area. It is suitable for a display device of an in-vehicle information device that may be placed in an environment where it cannot be visually recognized.
- 1,1A-1D display device 2 housing case, 3 touch panel, 3a, 3b, 3b1, 3b2, operation area, 3b-1 illumination unit, 4 liquid crystal display panel, 5 internal circuit, 5a control unit, 5b lighting control unit, 6 printing section, 7 operation feeling generating section, 8 transparent resin, 9 expansion element, 10 control circuit, 11 vibration circuit, 12 light source, 13 navigation system.
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Abstract
Description
この装置は、開口した操作窓を有するケースと、このケースに収容されるタッチパネルと、タッチパネルの背面側に配置される画像表示装置と、タッチパネルの画像表示装置側かつ操作窓の周囲に対応する位置に設けた帯状の圧電素子とを備え、タッチパネルの操作窓の周囲に対応する部分がケースに固定されており、操作窓を介してタッチパネルがタッチされた際に、圧電素子に電圧が印加されてその長さ方向に収縮し、その後に電圧印加が停止される、という動作を繰り返す。
アイコン画像や操作ボタン画像を画像表示領域に表示してなる操作部は、操作した指に操作感が与えられなくても、操作により操作部の画像の表示態様が変化する場合が多く、適切に操作できたことを操作者が認識しやすい。
例えば、前の処理結果に戻す“戻る”ボタンが画像表示領域外の領域に形成されている場合において、Web検索等を順々に行い、その途中で“戻る”ボタンを操作した際に、戻る前と似た検索結果が表示されると、“戻る”ボタンの画像自体は変化せず、操作感も与えられないため、操作者が適切に操作できたかどうかを迷う可能性がある。
しかしながら、画像表示領域に重畳したタッチ操作領域を対象としているため、上述のような画像表示領域外の操作部に関する課題を解決することはできない。
また、車載用情報機器の表示装置では、運転者は運転に注力する必要があるので、表示内容を十分に視認できない場合がある。特に、タッチ操作領域の画像表示領域外の領域に形成した操作部は、適切に操作できたか否かを認識しにくい。
実施の形態1.
図1は、この発明の実施の形態1に係る表示装置を示す図であり、図1(a)は、実施の形態1に係る表示装置の正面図、図1(b)は、図1(a)のA-A線で切った断面を概略的に示す断面矢示図である。図1に示す表示装置1は、例えばスマートフォンやタブレットPC、PND(Portable Navigation Device)などの情報処理機器に適用される。表示装置1の筐体ケース2は、図1(b)に示すように、タッチパネル3を組み付ける画像表示面側が開口した箱状の筐体であり、液晶表示パネル4および内部回路5が収納される。
タッチパネル3は、例えば、スペーサ部材を介して2枚の透明電極を重ね合わせた構成を有しており、指示物による押下で局部的に上下の透明電極が接触すると、その押下位置の座標が検出されるようになっている。
操作領域3aは、その操作部の内容を示す記号または文字がアイコン画像またはボタン画像(1(a)の例ではメールアイコン、カメラアイコン、電話のアイコン)として画像表示領域に表示される。これらのアイコン画像またはボタン画像は、指示物によるタッチ操作され、操作内容に応じた処理が実施される。このとき、操作感は発生しない。
そこで、タッチパネル3として外部からの荷重で弾性変形するフィルム状の部材で構成された、いわゆるフィルム状タッチパネルを使用する。このとき、液晶表示パネル4や操作感発生部7自体に強い衝撃が加わらないようにするため、図3に示すような透明樹脂8を充填する。これにより、過剰な荷重が透明樹脂8に吸収される。
このように構成することで、タッチ操作領域の画像表示領域以外の領域3bに形成した操作部を操作した指示物に対して適切に操作感を与えることができる。
上記実施の形態1では、操作領域3bがタッチ操作領域の他の領域と同一平面にある、すなわち同一の表面状態である場合を示した。この構成では、触覚だけで画像表示領域外の操作部であるのか、画像表示領域内の操作部であるのかを区別できない。
そこで、この実施の形態2では、画像表示領域外の操作部をタッチ操作領域の他の領域と立体的に異なる表面状態にしている。例えば、凸出または凹没した表面状態とする。
これにより、触覚により画像表示領域外の操作部をその他の操作部から区別することができる。
実施の形態2に係る表示装置1Aは、上記実施の形態1と同様に、タッチパネル3のタッチ操作領域が画像表示領域よりも広く、画像表示領域内に操作領域3aが形成されており、画像表示領域外に操作領域3b1が形成されている。
従って、液晶表示パネル4や膨張素子9および制御回路10に強い衝撃が加わらないようにするため、透明樹脂8を充填する。これにより、過剰な荷重が透明樹脂8に吸収される。
例えば、操作部を凸または凹形状とするのではなく、操作領域3b1全体の表面を細かな凹凸としたディンプル形状としたり、操作領域3b1全体の表面状態にざらつきを持たせたりすることが考えられる。
特に、タッチ操作領域の当該操作部以外の領域に対して凸出または凹没した表面状態とする。このように構成することで、触覚によって画像表示領域外の操作部をその他の操作部から区別することができる。例えば、車載用情報機器の場合、運転に注力して表示装置を見ることができないため、触覚による操作部の認識は有効である。
図6は、この発明の実施の形態3に係る表示装置を示す図であり、実施の形態3に係る表示装置1Cは、画像表示領域外の操作部を操作した指示物に対して振動を操作感として与える。なお、図6(a)は、実施の形態3に係る表示装置1Cを、図1(a)のA-A線と同様の位置で切った断面を概略的に示す断面矢示図であり、図6(b)は、画像表示領域外の操作部の部分の正面図であり、図6(c)は、画像表示領域外の操作部の他の構成例を示す断面図である。実施の形態3に係る表示装置1Cは、上記実施の形態1と同様に、タッチパネル3のタッチ操作領域が画像表示領域よりも広く、画像表示領域内に操作領域3aが形成されており、画像表示領域外に操作領域3bが形成されている。
操作領域3bの操作部の背面側には、操作感発生部として機能する振動回路11が設置される。振動回路11は、電気信号の供給によって振動する振動素子と、これに電気信号を供給する制御回路から構成される。振動素子としては、例えば圧電素子が利用される。
従って、液晶表示パネル4や振動回路11に強い衝撃が加わらないようにするために、透明樹脂8を充填する。これにより、過剰な荷重が透明樹脂8に吸収される。
図7は、この発明の実施の形態4に係る表示装置を示す図であり、図7(a)は、実施の形態1に係る画像表示領域外の操作部の正面図を示し、図7(b)は、図7(a)のB-B線で切った概略的な断面図および内部回路5の機能ブロックを示している。
図7に示す表示装置1Dは、例えば上記実施の形態3と同様に画像表示領域外の操作部を操作した指示物に振動を操作感として与える。
すなわち、制御部5aには、時間情報、速度情報および移動量情報から判別される周囲状況に対応付けられた各種の点灯パターンがあらかじめ設定されており、光源12が、ナビゲーションシステム13から取得した各種情報に対応する周囲状況の点灯パターンとなるように点灯制御部5bを制御する。点灯パターンは、光源12による照明の輝度(光の明るさ)、色度(光の色味)、連続点灯または非連続点灯(点滅)の違いで規定される。
一方、速度が高速であり、移動量が所定範囲を超えると、通常よりも運転に注力しなければならない状況であるため、照明の輝度および色味を所定値を超える値とし、連続点灯または周期の短い点滅を行う点灯パターンとして操作部の視認性を上げる。これにより、運転者は、瞬時に表示装置1Dの操作部(画像表示領域外の操作部)を視認することができる。
なお、時間情報、速度情報、移動量情報から判別される周囲状況と各種の点灯パターンとの対応関係は、入力装置を用いてユーザが適宜設定できるようにしてもよい。
なお、ナビゲーションシステム13は、GPS(Global Positioning System)受信機により受信されたGPS電波の解析結果から、時間情報や自車両の位置情報(緯度経度)を取得する。また、加速度センサ等による自立航法装置を利用して位置情報を検出してもよい。
Claims (7)
- 画像表示領域よりも広いタッチ操作領域を有するタッチパネルと、
前記タッチ操作領域の前記画像表示領域外の領域に形成した操作部と、
前記操作部を操作した指示物に操作感を与える操作感発生部とを備える表示装置。 - 前記操作部は、前記タッチ操作領域の当該操作部以外の領域と立体的に異なる表面状態であることを特徴とする請求項1記載の表示装置。
- 前記操作部は、前記タッチ操作領域の当該操作部以外の領域に対し凸出または凹没した表面状態であることを特徴とする請求項2記載の表示装置。
- 前記操作感発生部は、前記指示物による押下に抗して膨張することでその反力を操作感として与えることを特徴とする請求項2記載の表示装置。
- 前記操作感発生部は、操作感として前記指示物に振動を与えることを特徴とする請求項1記載の表示装置。
- 前記タッチパネルの背面側から前記操作部を照明する照明部と、
前記指示物による操作に応じて前記照明部の照明動作を制御する制御部とを備えることを特徴とする請求項1記載の表示装置。 - 前記制御部は、前記操作部の照明を周囲の状況に応じて異なる照明状態に変更することを特徴とする請求項6記載の表示装置。
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CN201280073936.6A CN104364726B (zh) | 2012-06-14 | 2012-06-14 | 显示装置 |
DE112012006522.0T DE112012006522B4 (de) | 2012-06-14 | 2012-06-14 | Anzeigevorrichtung |
US14/391,221 US20150097785A1 (en) | 2012-06-14 | 2012-06-14 | Display device |
PCT/JP2012/003899 WO2013186816A1 (ja) | 2012-06-14 | 2012-06-14 | 表示装置 |
JP2014520801A JP5863965B2 (ja) | 2012-06-14 | 2012-06-14 | 表示装置 |
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JP7497266B2 (ja) | 2020-10-06 | 2024-06-10 | 株式会社デンソーテン | 触感制御装置及び触感制御方法 |
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US20150097785A1 (en) | 2015-04-09 |
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