WO2012090998A1 - 表示装置 - Google Patents
表示装置 Download PDFInfo
- Publication number
- WO2012090998A1 WO2012090998A1 PCT/JP2011/080184 JP2011080184W WO2012090998A1 WO 2012090998 A1 WO2012090998 A1 WO 2012090998A1 JP 2011080184 W JP2011080184 W JP 2011080184W WO 2012090998 A1 WO2012090998 A1 WO 2012090998A1
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- Prior art keywords
- substrate
- display
- region
- main surface
- input
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
Definitions
- the present invention relates to a display device used for various purposes such as a mobile phone, a digital camera, a portable game machine, or a portable information terminal.
- Such a display device includes an input unit such as a touch panel, a display panel such as a liquid crystal panel disposed opposite to the touch panel, a seal member that joins the touch panel and the display panel, and a piezoelectric element provided on the back surface of the touch panel. And other vibrating bodies.
- an input unit such as a touch panel
- a display panel such as a liquid crystal panel disposed opposite to the touch panel
- a seal member that joins the touch panel and the display panel
- a piezoelectric element provided on the back surface of the touch panel.
- other vibrating bodies when a voltage is applied to the piezoelectric element in response to an input to the touch panel, the piezoelectric element vibrates, and the input unit vibrates along with the vibration of the piezoelectric element. The feeling of pressing is transmitted.
- the seal member is also disposed on the back surface of the touch panel. Therefore, the region where the vibrating body can be disposed is limited by the seal member. . Therefore, there is a possibility that the whole or a part of the vibrating body may be located outside the display panel, and there is a problem that a part called a frame including a non-display area located in the peripheral part of the display device tends to be large. .
- the present invention has been made in view of the above problems, and an object thereof is to suppress an increase in the frame of a display device.
- the display device of the present invention has a display area and an input area on the outer main surface, and an input is performed by the input means touching the input area, and an input unit for detecting an input position in the input area Disposed between the first substrate and the second substrate, the second substrate disposed with the inner principal surfaces facing each other with respect to the first substrate, Display means for displaying image information in the display area, a vibrating body provided on the second substrate for vibrating the input area of the first substrate, and vibration of the vibrating body in the second area A vibration transmission member for transmitting from a substrate to the first substrate, wherein the vibration body is entirely non-displayed except for the display region in the outer main surface of the second substrate. Non-display facing area facing the area And it is provided on.
- FIG. 2 is a cross-sectional view taken along the line II of FIG. It is a top view which shows a display panel. It is a top view which shows the electrode of a pixel. It is a top view which shows an input part. It is sectional drawing which shows a part of display apparatus of FIG. It is a top view which shows the principal part of the display apparatus in the 2nd Embodiment of this invention. It is sectional drawing which shows the display apparatus in the 3rd Embodiment of this invention. It is sectional drawing which shows a part of display apparatus of FIG. It is a top view which shows the principal part of the display apparatus in the 4th Embodiment of this invention.
- Display device 1 emits a display panel 2, an input unit 3 positioned on the display panel 2, a vibrating member 4 provided in the display panel 2, the light toward the display region E D of the display panel 2
- a light source device 5 a first polarizing plate 6 disposed on the input unit 3, and a second polarizing plate 7 disposed between the display panel 2 and the light source device 5 are provided.
- the display panel 2 includes a first substrate 21, a second substrate 22 disposed opposite to the first substrate 21, a liquid crystal layer 23 positioned between the first substrate 21 and the second substrate 22, and a liquid crystal layer 23.
- a joining member 24 for joining the first substrate 21 and the second substrate 22 is provided so as to surround it.
- Display panel 2 in the present embodiment is a liquid crystal display panel for displaying image information in the display area E D by using the liquid crystal layer 23.
- the display panel 2 in the present embodiment has the light source device 5 for each pixel P by display means for controlling the direction of liquid crystal molecules in the liquid crystal layer 23 by generating an electric field between the signal electrode 228 and the common electrode 226. adjust the transmittance of light from, displaying images in the display area E D.
- the display panel 2 controls the direction of liquid crystal molecules in the liquid crystal layer 23 by generating an electric field between the signal electrode 228 and the common electrode 226 provided on one of the pair of substrates.
- the so-called lateral electric field method is employed.
- the horizontal electric field method is adopted, but the present invention is not limited to this, and any method may be used.
- a vertical electric field method may be adopted.
- the display means of the display panel 2 of the present invention is not limited to the one using the liquid crystal layer 23.
- a display unit using a light emitting layer such as plasma or electroluminescence may be used.
- the first substrate 21 has a first main surface 21a (outer main surface) located on the input unit 3 side and a second main surface 21b (inner main surface) located on the opposite side of the first main surface 21a. is doing.
- the first main surface 21a and the second main surface 21b of the first substrate 21, the display area E D composed of a plurality of pixels P, the non-display area E N positioned outside the display area E D, the display area E on D Has an input area E I located at.
- Examples of the material of the first substrate 21 include a material having translucency, such as glass and plastic.
- a light shielding film 211 On the second main surface 21b of the first substrate 21, a light shielding film 211, a color filter 212, and a first alignment film 213 are provided.
- the light shielding film 211 is provided on the second main surface 21b of the first substrate 21 in a lattice shape. That is, the light shielding film 211 is provided along the outer periphery of each pixel P.
- the material of the light shielding film 211 include a resin to which a dye or pigment having a high light shielding property (for example, black) is added, or a metal such as chromium.
- the light shielding film 211 of the present embodiment is formed in a lattice shape, the present invention is not limited to this.
- the color filter 212 has a function of transmitting only a specific wavelength of visible light.
- the color filter 212 is provided on the second main surface 21b of the first substrate 21 and is located for each pixel P.
- Each color filter 212 has one of red (R), green (G), and blue (B).
- the color filter 212 is not limited to the above color, and may have a color such as yellow (Y) or white (W), for example.
- Examples of the material of the color filter 212 include a resin to which a dye or a pigment is added.
- the first alignment film 213 has a function of controlling the alignment of the liquid crystal molecules in the liquid crystal layer 23.
- the first alignment film 213 is provided on the light shielding film 211 and the color filter 212.
- Examples of the material of the first alignment film 213 include a resin such as a polyimide resin.
- the second substrate 22 includes a first main surface 22a (inner main surface) facing the second main surface 21b of the first substrate 21 and a second main surface 22b (outer main surface) located on the opposite side of the first main surface 22a. Surface).
- the first main surface 22a and the second main surface 22b of the second substrate 22 includes a display face area E FD facing the display area E D of the first substrate 21, the non-display area E N of the first substrate 21 It has a non-display facing area EFN facing each other.
- the material of the second substrate 22 is the same as that of the first substrate 21.
- a plurality of gate wirings 221, a first insulating film 222 provided on the first main surface 22a so as to cover the plurality of gate wirings 221, and a plurality of gates A plurality of source wirings 223 provided on the first insulating film 222 so as to intersect the wirings 221, a thin film transistor 224, and a second insulation provided on the first insulating film 222 so as to cover the plurality of source wirings 223.
- 3 Driver IC connected to the second alignment film 2210 provided on the insulating film 227 and the display wiring 229 And are arranged.
- the gate wiring 221 has a function of applying a voltage supplied from the driver IC to the thin film transistor 224.
- the gate line 221 is located in the display facing area EFD . As shown in FIG. 4, the gate wiring 221 extends in the X direction.
- the plurality of gate wirings 221 are arranged along the Y direction.
- the gate wiring 221 is formed of a conductive material, for example, aluminum, molybdenum, titanium, neodymium, chromium, copper, or an alloy containing these.
- the first insulating film 222 has a function of electrically insulating the gate wiring 221 and the source wiring 223.
- the first insulating film 222 is formed of an insulating material, and examples thereof include silicon nitride and silicon oxide.
- the source wiring 223 has a function of applying a signal voltage supplied from the driver IC to the signal electrode 228 through the thin film transistor 224.
- the source line 223 is located in the display facing area EFD . As shown in FIG. 4, the source wiring 223 extends in the Y direction. Although the source wiring 223 of this embodiment is formed in a straight line, it may be bent. The plurality of source lines 223 are arranged along the X direction. The source wiring 223 may be formed using the same material as the gate wiring 221.
- the thin film transistor 224 includes a semiconductor layer such as amorphous silicon or polysilicon, a source electrode connected to the source wiring 223, and a drain electrode provided on the semiconductor layer.
- writing or non-writing of an image signal to the signal electrode 228 is performed by changing the resistance of the semiconductor layer between the source electrode and the drain electrode in accordance with the voltage applied to the semiconductor layer through the gate wiring 221. Be controlled.
- the second insulating film 225 has a function of electrically insulating the source wiring 223 and the common electrode 226.
- the second insulating film 225 is formed of an insulating material, such as a resin.
- the third insulating film 227 has a function of electrically insulating the signal electrode 228 and the common electrode 226 from each other.
- the third insulating film 227 may be formed of the same material as the first insulating film 222.
- the common electrode 226 has a function of generating an electric field with the signal electrode 228 by a voltage applied from the driver IC.
- the common electrode 226 is provided on the second insulating film 225 in the display facing region EFD .
- the common electrode 226 is formed of a material having translucency and conductivity, for example, ITO (Indium Tin Oxide), IZO (Indium Zinc Oxide), ATO (Antimony Tin Oxide), AZO (Al-Doped Zinc Oxide), oxidation, and the like. It is formed of tin, zinc oxide or a conductive polymer.
- the signal electrode 228 has a function of generating an electric field with the common electrode 226 by a signal voltage supplied from the driver IC.
- the plurality of signal electrodes 228 are provided on the third insulating film 227 and are located for each pixel P.
- the signal electrode 228 of the present embodiment is formed in a rectangular shape, the signal electrode 228 may be formed by bending. Thereby, the pixel P can be divided into a plurality of regions, and the alignment of the liquid crystal molecules in each region can be changed.
- the signal electrode 228 may be formed of the same material as the common electrode 226.
- the common electrode 226, the third insulating film 227, and the signal electrode 228 are provided in this order, but the present invention is not limited to this. That is, the common electrode 226 may be formed on the signal electrode 228 with the third insulating film 227 interposed therebetween, and the signal electrode 228, the third insulating film 227, and the common electrode 226 may be provided in this order.
- the display wiring 229 is a wiring to which a voltage for driving the display panel 2 is applied.
- the display wiring 229 is connected to the gate wiring 221, the source wiring 223, and the common electrode 226.
- the plurality of display lines 229 are provided on the first major surface 22a of the second substrate 22 are located in the non-display area E N.
- the second alignment film 2210 has a function of controlling the alignment of liquid crystal molecules in the liquid crystal layer 23.
- the second alignment film 2210 is provided on the signal electrode 228 and the third insulating film 227.
- the driver IC has a function of controlling driving of the gate wiring 221, the source wiring 223, and the like.
- the driver IC is located on the second main surface 22a of the second substrate 22 in the display facing region EFN .
- the driver IC is provided along the side of the first substrate 21.
- a plurality of display wirings 229 are connected to the driver IC.
- the liquid crystal layer 23 is provided between the first substrate 21 and the second substrate 22.
- the liquid crystal layer 23 includes liquid crystal molecules such as nematic liquid crystal or cholesteric liquid crystal.
- the bonding member 24 has a function of bonding the first substrate 21 and the second substrate 22 together. Bonding member 24 is provided between the first substrate 21 so as to surround the display region E D and the second substrate 22.
- the joining member 24 is formed of an adhesive resin or the like.
- the input unit 3 is provided on the first main surface 21 a of the first substrate 21.
- the input unit 3 is provided on the first main surface 21 a of the first substrate 21 via the seal member T.
- Sealing member T is provided so as to surround the four sides of the display region E D. Examples of the material of the seal member T include a resin having adhesiveness.
- the vibrating body 4 is provided not on the input portion substrate 31 but on the second main surface 22 b of the second substrate 22, so that the formation region of the seal member T is not limited by the vibrating body 4. Therefore, the joint strength between the input unit 3 and the display panel 2 can be improved, and the vibration of the vibrating body 4 can be easily transmitted to the user.
- the input unit 3 in this embodiment employs a capacitance method as a detection method.
- the electrostatic capacitance method is employ
- the input unit 3 includes an input unit substrate 31, a plurality of detection electrodes 32 arranged on the input unit substrate 31 along the X direction and the Y direction, and detection electrodes A plurality of detection wirings 33 connected to 32 and an insulator 34 located at a portion where the detection electrodes 32 intersect each other.
- the input unit substrate 31 is made of a light-transmitting material, for example, glass or plastic.
- Detection electrodes 32 are located on the input unit substrate 31 in opposed to the input region E I region.
- the detection electrodes 32 formed by connecting a plurality of rhombus electrodes in the Y direction are arranged in the X direction.
- the detection electrodes 32 formed by connecting a plurality of rhombus electrodes in the X direction are arranged in the Y direction.
- the detection electrodes 32 arranged in the X direction intersect with the detection electrodes 32 arranged in the Y direction, and an insulator 34 is located in the intersecting region.
- Examples of the material of the detection electrode 32 include those having translucency and conductivity, such as ITO, IZO, ATO, AZO, tin oxide, zinc oxide, and conductive polymer.
- the detection wiring 33 has a function of applying a voltage supplied from the input unit driver to the detection electrode 32.
- Detection wire 33 is provided in the non-display area E N facing the region in the input unit substrate 31.
- Examples of the material of the detection wiring 33 include those having conductivity, such as ITO, tin oxide, aluminum, aluminum alloy, silver, or silver alloy.
- the insulator 34 has a function of electrically insulating the intersecting detection electrodes 32 from each other.
- the insulator 34 is provided on the input unit substrate 31 so as to cover a part of the detection electrode 32.
- Examples of the material of the insulator 34 include those having translucency and insulating properties, such as acrylic resin.
- the input unit 3 since the adjacent detection electrodes 32 are arranged close to each other, stray capacitance is generated between the adjacent detection electrodes 32. That is, the input unit 3, are arranged in a matrix to a plurality of floating capacitance element display region E D. When a voltage is applied to the plurality of detection electrodes 32, charges are accumulated in each stray capacitance element. In this state, when an input unit such as a user's finger contacts the input unit 3, the stray capacitance of the stray capacitance element existing in the region where the finger contacts the input unit 3 changes. As a result, the amount of charge accumulated in the stray capacitance element present at the contact portion also changes.
- the voltages of the plurality of detection electrodes 32 present at the contact portion also change.
- This voltage change of the detection electrode 32 is read by an input unit driver as detection means. If the voltage change read by the input unit driver exceeds a predetermined value, the input unit driver recognizes the detection electrode 32 that has changed the voltage exceeding the predetermined value and recognizes the plurality of recognized detection electrodes. The intersection at 32 is recognized as the input position.
- the vibrating body 4 has a function of vibrating the display device 1 in response to a press with a user's finger or the like. As shown in FIG. 2, the vibrating body 4 is provided on the second main surface 22 b of the second substrate 22 of the display panel 2. Further, as shown in FIG. 3, the entire vibrating body 4 is provided so as to be located in the non-display facing area EFN . The vibrating body 4 in this embodiment overlaps the display wiring 229. Further, the shape of the vibrating body 4 is rectangular in plan view.
- two vibrating bodies 4 are provided, but the number of vibrating bodies 4 is not particularly limited.
- An electrode terminal 41 is provided on the surface of the vibrating body 4 facing the second main surface 22b.
- a vibrating body wiring 42 is connected to the electrode terminal 41 via a conductive bonding material.
- the material for the conductive bonding material include metals such as gold, tin, silver, palladium, copper, and nickel, alloys containing these metals, and resins containing metal fine particles.
- the vibrating body wiring 42 has a function of applying a voltage supplied from a power source to the vibrating body 4.
- the vibrating body wiring 42 is provided on the second main surface 22b of the second substrate 22 in the non-display facing region EFN .
- a vibrating body wiring 421 that applies a positive voltage to the vibrating body 4 and a vibrating body wiring 422 that applies a negative voltage to the vibrating body 4 are provided.
- the vibrating body wiring 42 of the present embodiment is provided so as to surround the non-display facing region EFN . Furthermore, the vibrating body wiring 42 of the present embodiment overlaps the display wiring 229 in plan view.
- the material of the vibrator wiring 42 the same material as the detection wiring 33 can be cited. Further, the conductive paste may be formed by a printing method. When the vibrating body wiring 42 is formed by a printing method, the thickness of the vibrating body wiring 42 can be increased, so that the resistance can be reduced and the power consumption can be reduced.
- the vibrating body 4 is located on the second main surface 22 b of the second substrate 22 of the display panel 2 and in the non-display facing region EFN . There is outside the display area E D and the display panel of the display panel 2 is not located. As a result, the vibrating body 4 can be arranged by effectively using the space of the non-display facing area EFN , so that the frame of the display device 1 can be compared with the case where the vibrating body 4 is provided on the input unit substrate 31 of the input unit 3. Can be suppressed.
- the vibrating body 4 in the present embodiment utilizes a so-called piezoelectric effect that converts a force applied to the vibrating body 4 into a voltage and converts a voltage applied via the electrode terminal 41 into a force (vibration). It is a piezoelectric element.
- the vibrating body 4 in the present embodiment is a bimorph type piezoelectric element configured by bonding a plurality of piezoelectric bodies, but is not limited thereto, and may be a monomorph type piezoelectric element. In the bimorph type piezoelectric element, by applying a differential voltage to each of the plurality of piezoelectric bodies, the expansion and contraction directions of the plurality of piezoelectric bodies are reversed. This utilizes the fact that the element 4 vibrates.
- the vibration body 4 has been described as an example realized by a piezoelectric element.
- the present invention is not limited thereto, and may be realized by an electromagnetic vibration body, a motor, or the like.
- the light source device 5 has a function of emitting light toward the display region E D of the display panel 2.
- the light source device 5 includes a light source 51 and a light guide plate 52.
- a point light source such as an LED is employed as the light source 51, but a linear light source such as a cold cathode tube may be employed.
- the light guide plate 52 of the light source device 5 is fixed to the second main surface of the second substrate 22 via the buffering support S.
- the first polarizing plate 6 has a function of selectively transmitting light in a predetermined vibration direction.
- the first polarizing plate 6 is provided on the input unit 3 via an adhesive 61.
- the first polarizing plate 6 is located on the input unit 3, but is not limited thereto. For example, it may be provided between the first main surface 21 a of the first substrate 21 and the input unit 3.
- the second polarizing plate 7 has a function of selectively transmitting light in a predetermined vibration direction.
- the second polarizing plate 7 is located on the second main surface 22 b of the second substrate 22.
- the second polarizing plate 7 is provided so as not to overlap the vibrating body 4. If the second polarizing plate 7 overlaps the vibrating body 4, the second polarizing plate 7 is separated from the second substrate 22 by the thickness of the vibrating body 4, which may increase the thickness of the display device 1. . On the other hand, the thickness of the display device 1 can be suppressed from increasing by not overlapping the second polarizing plate 7 on the vibrating body 4.
- FIG. 7 is a diagram illustrating a main part of the display device 1A according to the second embodiment.
- the display device 1 ⁇ / b> A is different from the display device 1 in that the vibrating body 4 is located in a non-formation region of the display wiring 229 of the display panel 2.
- the voltage applied to vibrate the vibrating body 4 is larger than the voltage applied to the display wiring 229 connected to the gate wiring 221, the source wiring 223, and the common electrode 226. Therefore, the electromagnetic wave generated by the voltage applied to the vibrating body 4 may affect the signal transmitted through the display wiring 229 as noise and may affect the image display.
- the vibrating body 4 is located in the non-formation region of the display wiring 229 of the display panel 2, and the vibrating body 4 does not overlap the display wiring 229. The influence of the applied voltage on the display wiring 229 can be reduced.
- FIGS. 8 and 9 are diagrams showing a display device 1B according to the third embodiment.
- the display device 1B is different from the display device 1 in that the input unit 3 does not have the input unit substrate 31.
- the detection electrode 32 of the input unit 3 is provided in contact with the first main surface 21a of the first substrate 21. Thereby, the space provided between the input part substrate 31 of the input part 3 and the first main surface 21a of the first substrate 21 can be eliminated, and the thickness of the display device 1 can be reduced.
- the air layer existing in this space is eliminated by eliminating the space, the boundary between the input unit substrate 31 and the air layer when external light such as sunlight or illumination light enters the display panel 2.
- the reflection of light at the boundary between the air layer and the first substrate is eliminated, the occurrence of reflection can be reduced, and the display quality can be improved.
- the vibration of the vibrating body 4 can be easily transmitted to the user.
- FIG. 10 is a diagram illustrating a display device 1 ⁇ / b> C according to the fourth embodiment.
- Display device 1C is, in contrast with the display device 1, except that both ends of the vibrating-body wiring 42 to the external connection region E PC to be connected to an external circuit board such as a flexible circuit board (not shown) is located.
- the external connection region E PC refers to a region external circuit board is opposed of the first main surface 22a and the second main surface 22b of the second substrate 22.
- the electrode terminals of the display panel 2 and the electrode terminals of the external circuit board are connected via the conductive bonding member.
- the vibrating body 4 and the electrode terminals of the display panel 2 vibrating-body line 42 Can be connected by a common external circuit board. That is, since it is not necessary to separately provide an external circuit board for the display panel 2 and an external circuit board for the vibrating body 4, the number of parts can be reduced.
- Display device 2 Display panel 21 First substrate 21a First main surface (outer main surface) E D display region P pixel E N non-display region E I input region 21b second principal surface (inner main surface) 211 Light-shielding film 212 Color filter 213 First alignment film 22 Second substrate 22a First main surface (inner main surface) E FD display facing area E FN non-display facing area 22b Second main surface (outer main surface) 221 Gate wiring 222 First insulating film 223 Source wiring 224 Thin film transistor 225 Second insulating film 226 Common electrode (display electrode) 227 Third insulating film 228 Signal electrode (display electrode) 229 Display wiring 2210 Second alignment film 23 Liquid crystal layer 24 Bonding member (vibration transmitting member) IC driver 3 Input section 31 Input section substrate 32 Detection electrode 33 Detection wiring 34 Insulator T Seal member 4 Vibrating body 41 Electrode terminal 42 (421, 422) Vibrating body wiring 5 Light source device 51 Light source 52 Light guide
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Abstract
Description
本発明の第1の実施形態における表示装置1について説明する。
図7は、第2の実施形態における表示装置1Aの要部を示す図である。
図8および図9は、第3の実施形態における表示装置1Bを示す図である。
図10は、第4の実施形態における表示装置1Cを示す図である。
2 表示パネル
21 第1基板
21a 第1主面(外側主面)
ED 表示領域
P 画素
EN 非表示領域
EI 入力領域
21b 第2主面(内側主面)
211 遮光膜
212 カラーフィルタ
213 第1配向膜
22 第2基板
22a 第1主面(内側主面)
EFD 表示対向領域
EFN 非表示対向領域
22b 第2主面(外側主面)
221 ゲート配線
222 第1絶縁膜
223 ソース配線
224 薄膜トランジスタ
225 第2絶縁膜
226 共通電極(表示用電極)
227 第3絶縁膜
228 信号電極(表示用電極)
229 表示用配線
2210 第2配向膜
23 液晶層
24 接合部材(振動伝達部材)
IC ドライバ
3 入力部
31 入力部用基板
32 検出電極
33 検出用配線
34 絶縁体
T シール部材
4 振動体
41 電極端子
42(421、422) 振動体用配線
5 光源装置
51 光源
52 導光板
S 支持体
6 第1偏光板
61 粘着剤
7 第2偏光板
Claims (8)
- 外側主面に表示領域および入力領域を有しており、該入力領域に対する入力手段の接触によって入力が行なわれるとともに、前記入力領域における入力位置を検出するための入力部が設けられている第1基板と、
該第1基板に対して互いに内側主面同士を対向させて配置された第2基板と、
前記第1基板および前記第2基板の間に配置された、前記表示領域に像情報を表示するための表示手段と、
前記第2基板に設けられた、前記第1基板の前記入力領域を振動させるための振動体と、
該振動体の振動を前記第2基板から前記第1基板に伝達するための振動伝達部材と、を備える表示装置であって、
前記振動体は、その全体が前記第2基板の外側主面のうち前記表示領域を除いた非表示領域に対向する非表示対向領域上に設けられていることを特徴とする表示装置。 - 前記第2基板の前記内側主面のうち前記表示領域に対向する表示対向領域上に表示用電極が設けられており、
前記第2基板の前記内側主面のうち前記非表示対向領域上に、前記表示用電極に接続される表示用配線が設けられており、
平面視して、前記振動体は、前記非表示対向領域のうち前記表示用配線の非形成領域に位置している請求項1に記載の表示装置。 - 前記第2基板の前記外側主面のうち前記非表示対向領域上に、前記振動体に接続される振動体用配線が設けられており、
平面視して、該振動体用配線は、前記非表示対向領域のうち前記表示用配線の非形成領域に設けられている請求項2に記載の表示装置。 - 前記第2基板の前記外側主面上に偏光板が設けられており、
該偏光板は、前記振動体に重ならないように設けられている請求項1~3のいずれかに記載の表示装置。 - 前記入力部は、該入力部における入力位置で生じた容量の変化を検出する検出手段を備えるものである請求項1~4のいずれかに記載の表示装置。
- 前記入力部は、前記表示領域に近接する入力手段との間で容量の変化を生じる検出電極と、前記容量の変化を前記検出手段に伝えるための検出用配線とを備えており、
前記検出電極は、前記第1基板の前記外側主面または内側主面のうち前記入力領域に設けられ、前記検出用配線は、前記第1基板の前記外側主面または内側主面のうち前記表示領域および前記入力領域を除いた領域に設けられている請求項5に記載の表示装置。 - 前記第1基板と前記第2基板との間に液晶層が設けられている請求項1~6のいずれかに記載の表示装置。
- 前記第1基板と前記第2基板との間に発光層が設けられている請求項1~6のいずれかに記載の表示装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/976,800 US9454228B2 (en) | 2010-12-28 | 2011-12-27 | Vibrating touch panel display |
| JP2012550971A JPWO2012090998A1 (ja) | 2010-12-28 | 2011-12-27 | 表示装置 |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2010291755 | 2010-12-28 | ||
| JP2010-291755 | 2010-12-28 |
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| WO2012090998A1 true WO2012090998A1 (ja) | 2012-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/JP2011/080184 Ceased WO2012090998A1 (ja) | 2010-12-28 | 2011-12-27 | 表示装置 |
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| Country | Link |
|---|---|
| US (1) | US9454228B2 (ja) |
| JP (1) | JPWO2012090998A1 (ja) |
| WO (1) | WO2012090998A1 (ja) |
Cited By (3)
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| WO2014084040A1 (ja) * | 2012-11-29 | 2014-06-05 | 京セラ株式会社 | 表示装置 |
| JP2014164429A (ja) * | 2013-02-22 | 2014-09-08 | Kyocera Corp | 振動装置、電子機器、および携帯端末 |
| JP2014164430A (ja) * | 2013-02-22 | 2014-09-08 | Kyocera Corp | 振動装置、電子機器、および携帯端末 |
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| DE102015225722A1 (de) * | 2015-12-17 | 2017-06-22 | Continental Automotive Gmbh | Touchscreen mit einer haptischen Rückmeldevorrichtung |
| WO2019060815A1 (en) | 2017-09-25 | 2019-03-28 | Alexander Wellen | NUMERIC DIGITAL SHAPE PIECE PIECE FOR TACTILE DETERMINING THE TIME SPENT |
| WO2023206370A1 (zh) * | 2022-04-29 | 2023-11-02 | 京东方科技集团股份有限公司 | 触觉再现显示面板和显示装置 |
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| JP2006039837A (ja) * | 2004-07-26 | 2006-02-09 | Smk Corp | タッチパネル入力装置 |
| DE102009027537A1 (de) * | 2008-07-18 | 2010-02-04 | Samsung Corning Precision Glass Co., Ltd., Gumi | Berührungseingabe detektierendes Anzeigefilter und Anzeigevorrichtung mit demselben |
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- 2011-12-27 WO PCT/JP2011/080184 patent/WO2012090998A1/ja not_active Ceased
- 2011-12-27 US US13/976,800 patent/US9454228B2/en not_active Expired - Fee Related
- 2011-12-27 JP JP2012550971A patent/JPWO2012090998A1/ja active Pending
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| JP2003271074A (ja) * | 2002-03-13 | 2003-09-25 | Citizen Watch Co Ltd | 携帯用電子機器における表示装置 |
| JP2006195734A (ja) * | 2005-01-13 | 2006-07-27 | Sony Corp | 触覚機能付きの入出力装置及び電子機器 |
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| JPWO2014084040A1 (ja) * | 2012-11-29 | 2017-01-05 | 京セラ株式会社 | 表示装置 |
| JP2014164429A (ja) * | 2013-02-22 | 2014-09-08 | Kyocera Corp | 振動装置、電子機器、および携帯端末 |
| JP2014164430A (ja) * | 2013-02-22 | 2014-09-08 | Kyocera Corp | 振動装置、電子機器、および携帯端末 |
Also Published As
| Publication number | Publication date |
|---|---|
| US9454228B2 (en) | 2016-09-27 |
| US20130278561A1 (en) | 2013-10-24 |
| JPWO2012090998A1 (ja) | 2014-06-05 |
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