CN1900748A - Polarizing film assembly, method of manufacturing the same and display device having the same - Google Patents

Polarizing film assembly, method of manufacturing the same and display device having the same Download PDF

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Publication number
CN1900748A
CN1900748A CNA2006101058170A CN200610105817A CN1900748A CN 1900748 A CN1900748 A CN 1900748A CN A2006101058170 A CNA2006101058170 A CN A2006101058170A CN 200610105817 A CN200610105817 A CN 200610105817A CN 1900748 A CN1900748 A CN 1900748A
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China
Prior art keywords
layer
film
vibration
improving layer
polarizing coating
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Pending
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CNA2006101058170A
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Chinese (zh)
Inventor
朴源祥
鱼基汉
尹海荣
林载翊
李承珪
张暎珠
李宰瑛
金炯杰
车圣恩
金尚佑
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Samsung Electronics Co Ltd
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Samsung Electronics Co Ltd
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Publication of CN1900748A publication Critical patent/CN1900748A/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Mathematical Physics (AREA)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Polarising Elements (AREA)
  • Liquid Crystal (AREA)

Abstract

A polarizing film assembly includes a polarizing film, a speaker film, a vibration improving layer, and a line member. The polarizing film includes a polarizer layer transmitting a vibrating component of light in parallel with an axis of polarization. The speaker film is disposed on the polarizing film to change an electric signal into a mechanical vibration to generate a sound. The vibration improving layer is interposed between the polarizing film and the speaker film to improve the mechanical vibration of the speaker film. The line member is electrically connected to the speaker film to transmit the electric signal. Therefore, display is small-sized, lightweight and improved in sound quality.

Description

The polarizing coating assembly, make the polarizing coating assembly and have the method for the display device of polarizing coating assembly
Technical field
The present invention relates to the polarizing coating assembly, make the polarizing coating assembly and have the method for the display device of polarizing coating assembly.More specifically, the present invention relates to improve tonequality the polarizing coating assembly, make described polarizing coating assembly and have the method for the display device of described polarizing coating assembly.
Background technology
Usually, display device comprises cathode-ray tube (CRT) (" CRT ") display device, plasma display panel (" PDP ") display device, liquid crystal display (" LCD ") equipment, organic light emitting display (" OLED ") equipment etc.LCD equipment has multifrequency nature, as lightweight construction, less size, thin thickness etc., and has been widely used in various fields, as mobile communication equipment, monitor, televisor etc.
Display device comprises as voice unit (VU)s such as magnetic speakers.Magnetic speaker comprises magnet, coil, vibrating diaphragm etc., so display device has bigger size and heavier weight.When the size that reduces magnetic speaker and weight when having lighter weight and less size, worsened the tonequality of magnetic speaker.
Summary of the invention
Exemplary embodiments of the present invention provides a kind of display device, and described display device has voice unit (VU), lightweight structure and the improved tonequality of reduced size.
Exemplary embodiments of the present invention provides a kind of polarizing coating assembly that can improve tonequality.
Exemplary embodiments of the present invention also provides a kind of method that is used to make above-mentioned polarizing coating assembly.
Exemplary embodiments of the present invention also provides a kind of display device with above-mentioned polarizing coating assembly.
Typical polarizing coating assembly according to an exemplary embodiment of the present invention comprises polarizing coating, loudspeaker film, vibration improving layer and circuit member.Polarizing coating comprises be used for the polarisation of light layer that transmission is vibrated on the polarization direction.Loudspeaker film is positioned on the polarizing coating, is used for changing electric signal into mechanical vibration to produce sound.The vibration improving layer is inserted between polarizing coating and the loudspeaker film, is used to improve mechanical vibration.The circuit member is electrically connected with loudspeaker film, is used for transmission of electric signals.
The typical method of making typical polarizing coating assembly according to an exemplary embodiment of the present invention below is provided.Formation has the main film of polarization layer.On described main film, form the vibration improving layer.Loudspeaker film is adhered to described vibration improving layer, to form first membrane module.Cut described first membrane module at the size of display board.On the end portion of described vibration improving layer, form the conductive component that is electrically connected with first electrode of described loudspeaker film.The transparent protective film that will have the electrically conducting transparent adhesive phase adheres on second electrode of described loudspeaker film.Form first circuit that is electrically connected with described conductive component and second circuit that is electrically connected with described electrically conducting transparent adhesive phase.
Typical display device according to an exemplary embodiment of the present invention comprises display board, source drive parts, gate driving parts, voice signal output block and polarizing elements.The on-off element that display board has source electrode line, gate line and is electrically connected with described source electrode and gate line.The source drive parts are converted to second data-signal of analog type with first data-signal, and described second data-signal is provided to source electrode line.The gate driving parts are provided to gate line with signal.The voice signal output block is converted to second sound signal with first voice signal, and the output second sound signal.Polarizing elements is positioned on the described display board, the light that described polarizing elements transmission is vibrated on the polarization direction in fact.Polarizing elements produces sound according to second sound signal.
Typical display device according to another exemplary embodiments of the present invention comprises display module, loudspeaker film and vibration improving layer.Display module comprises backlight assembly, board component and storage container.Backlight assembly produces light.Board component utilizes light to come display image.Storage container holds described backlight assembly and board component.Loudspeaker film is positioned on the described display module, is used to produce sound.The vibration improving layer is inserted between described display module and the described loudspeaker film.
Typical display device according to another exemplary embodiments of the present invention comprises display module and loudspeaker film.Display module comprises backlight assembly, board component and storage container.Backlight assembly produces light.Board component utilizes light to come display image.Storage container holds described backlight assembly and board component.Loudspeaker film is positioned on the surface of described display module.Loudspeaker film involving vibrations improving layer, described vibration improving layer is inserted between loudspeaker film and the display module.
The exemplary embodiments according to the present invention, the display device with loudspeaker film produces sound.Therefore, the size and the thickness of display device have been reduced.
Description of drawings
By exemplary embodiments of the present invention is described with reference to the drawings, above-mentioned and other advantage of the present invention will become more apparent, wherein:
Fig. 1 shows the sectional view of the typical polarizing coating assembly of exemplary embodiments according to the present invention;
Fig. 2 shows the sectional view of the typical polarizing coating assembly of another exemplary embodiments according to the present invention;
Fig. 3 A shows the sectional view of the typical method of making typical polarizing coating assembly shown in Figure 1 to 3E;
Fig. 4 A and 4B show and form the sectional view that typical case shown in Figure 1 vibrates the exemplary process of improving layer;
The typical case that Fig. 5 A and 5B show formation another exemplary embodiments according to the present invention vibrates the sectional view of the exemplary process of improving layer;
The typical case that Fig. 6 A and 6B show formation another exemplary embodiments according to the present invention vibrates the sectional view of the exemplary process of improving layer;
The typical case that Fig. 7 shows another exemplary embodiments according to the present invention vibrates the sectional view of improving layer;
Fig. 8 shows the planimetric map of the typical display panel module of another exemplary embodiments according to the present invention;
Fig. 9 is the sectional view along line I-I ' intercepting shown in Figure 8;
Figure 10 A and 10B show the sectional view of light by typical display panel module shown in Figure 8;
Figure 11 shows the planimetric map according to the typical display panel module of another exemplary embodiments of the present invention;
Figure 12 is the sectional view along line II-II ' intercepting shown in Figure 11;
Figure 13 shows the block scheme of the typical display device of another exemplary embodiments according to the present invention;
Figure 14 shows the block scheme of typical voice signal output block shown in Figure 13;
Figure 15 shows the decomposition diagram of the typical display device of another exemplary embodiments according to the present invention;
Figure 16 shows the sectional view of typical display device shown in Figure 15;
Figure 17 shows the block scheme of the operation of typical speaker film shown in Figure 15;
Figure 18 A and 18B show and form the sectional view that typical case shown in Figure 15 vibrates the exemplary process of improving layer;
Figure 19 A and 19B show the sectional view that according to the present invention another exemplary embodiments forms the exemplary process of typical case's vibration improving layer;
Figure 20 shows the sectional view that according to the present invention another exemplary embodiments forms the typical method of typical case's vibration improving layer;
Figure 21 shows the sectional view of the typical display device of another exemplary embodiments according to the present invention;
Figure 22 shows the decomposition diagram of the typical display device of another exemplary embodiments according to the present invention.
Embodiment
Hereinafter, the present invention will be described in more details with reference to the drawings, embodiments of the invention shown in the drawings.Yet, can multi-form specific implementation the present invention, and the present invention should be considered as be limited to embodiment described here.On the contrary, provide these embodiment,, and will pass on scope of the present invention to those skilled in the art so that this discussion is more thorough and complete.In the accompanying drawings, for clear, size and the relative size in layer and zone may have been exaggerated.
Be to be understood that, when mention element or layer be positioned at another element or layer " on ", " being connected to " or " being coupled to " another element or when layer, can be located immediately at another element or layer and go up, be directly connected to or be coupled to another element or layer, perhaps can have element or layer between two parties.On the contrary, when mentioning that element " is located immediately on it ", when " being directly connected to " or " being directly coupled to " another element or layer, then not having element or layer between two parties.In full, identical numeral components identical.Here employed term " and/or " comprise that association lists one or more arbitrarily and all combinations.
Though should be appreciated that and used the term first, second, third, etc. to describe various elements, assembly, zone, layer and/or part here, these elements, assembly, zone, layer and/or part should not limited by these terms.These terms only are used to distinguish an element, assembly, zone, layer or part and another element, assembly, zone, layer or part.Therefore, the first following element, assembly, zone, layer or part can be called second element, assembly, zone, layer or part, and not depart from technology of the present invention.
In order to be easy to describe, can use here as " below ", " under ", " bottom ", " on ", " top " wait the space correlation term, with the relation of element shown in the description accompanying drawing or feature and another element or feature.Should be appreciated that the equipment that the space correlation term is intended to comprise except that the direction shown in the accompanying drawing is using or operational different directions.For example, if the equipment in the accompanying drawing overturns, then be described as other element or feature " under " or the element of " below " then will be determined to be in other element or feature " on " direction.Therefore, exemplary term " under " can comprise upper and lower direction.Can differently determine the direction (revolve turn 90 degrees or with other direction) of equipment, and corresponding the making an explanation of space correlation descriptor used herein.
Term used herein only is in order to describe specific embodiment, and is not used in as limitation of the present invention.Here employed singulative " a ", " an " are also intended to comprise plural form, unless content is clearly made indication on the contrary.It should also be understood that, when using term " to comprise " in this manual, term " comprises " existence that has indicated regulation feature, integer, step, operation, element and/or assembly, but does not get rid of the existence of one or more further features, integer, step, operation, element, assembly and combination thereof or additional.
Here reference has been described the embodiment of the invention as the sectional view of the synoptic diagram of desirable embodiment of the present invention (and intermediate structure).Similarly, estimate with difference illustrated shape as the result of manufacturing technology and/or tolerance is that cause.Therefore, the specific region shape shown in the embodiment of the invention should not being considered as being limited to here, but comprise owing to as make the departing from shape that causes.For example, typically, the implantation concentration that will have circle or arc feature and/or inclination in its edge is distinguished in the injection (implanted) that is depicted as rectangle, rather than changes from being injected into non-injection region binary.On the contrary, inject some injections that formed buried region may cause the zone between buried region and the surface injected by it.Therefore, the zone shown in the figure is to be actually schematically, and its shape and be not used in the true form in the zone of devices illustrated, and is not limited to scope of the present invention.
Unless define in addition, all terms used herein (comprising technology and scientific terminology) have with the present invention under in the field those of ordinary skill the identical implication of implication generally understood.It should also be understood that, should be interpreted as having the implication consistent as those terms that in general dictionary, define with its implication in the context of correlation technique, and should not explain, unless most clearly define here with idealized or the too formal meaning.
Hereinafter, exemplary embodiments of the present invention will be described with reference to the drawings.
Fig. 1 shows the sectional view of the polarizing coating assembly of the exemplary embodiments according to the present invention.
With reference to figure 1, polarizing coating assembly 100 comprises that the transmission-polarizing film 110 of sequential cascade, vibration improve (or active) layer 120, loudspeaker film 130 and diaphragm 140, and circuit member 151 and 152.
Transmission-polarizing film 110 is included in contact adhesive (" PSA ") layer 111, first protective seam 112, polarization layer 113 and second protective seam 114 of sequential cascade in the transmission-polarizing film 110; wherein; psa layer 111 is arranged on the outside surface of polarizing coating assembly 100, and second protective seam 114 and the 120 adjacent settings of vibration improving layer.In first and second protective seams 112 and 114 each can comprise Triafol T (" TAC ").Polarization layer 113 can comprise polyvinyl alcohol (PVA) (" PVA ").
Psa layer 111 comprises jointing material, and the pressure that provides of response external and bonding.The example that can be used for the jointing material of psa layer 111 includes but not limited to: acrylic based resin, rubber-based resin etc.These can use separately also can its combination form use.Psa layer 111 can also comprise the particle of the refractive index of a plurality of control psa layers 111.The example of particle that can be used to control the refractive index of psa layer 111 includes but not limited to: zirconium, quartz etc.These can use separately also can its combination form use.
First protective seam 112 is arranged between psa layer 111 and the polarization layer 113.Second protective seam 114 is positioned on the polarization layer 113 relative with first protective seam 112.Each of first and second protective seams 112,114 comprises transparent material.Each of first and second protective seams 112,114 can comprise the acetate base resin, as TAC.In Fig. 1, each of first and second protective seams 112,114 comprises the TAC film with the saponification surface that utilizes the alkali ion saponification.
The light vibration component that polarization layer 113 transmissions are parallel with the polarization direction, and stop the light vibration component vertical with the polarization direction.
Vibration improving layer 120 is formed on second protective seam 114.In Fig. 1, the top of second protective seam 114 is surface-treated, vibrate improving layer 120 to form, and vibration improving layer 120 has been improved the vibration of loudspeaker film 130.Vibration improving layer 120 can comprise air layer.Alternatively, vibration improving layer 120 can comprise resilient material.Conductive component 121 is formed on the end portion of vibration improving layer 120, and links to each other with first electrode 132 of loudspeaker film 130.
Loudspeaker film 130 comprises the piezoelectric layer 131 that is clipped between first electrode 132 and second electrode 133.First electrode 132 is formed on the first surface of piezoelectric layer 131, and wherein first electrode 132 is arranged between vibration improving layer 120 and the piezoelectric layer 131.Second electrode 133 be formed on piezoelectric layer 131 with the first surface opposing second surface on, wherein second electrode 133 is arranged between diaphragm 140 and the piezoelectric layer 131.First electrode 132 can be in fact a plate shape, and can cover the whole surf zone of the first surface of piezoelectric layer 131 in fact.Equally, second electrode 133 can be in fact a plate shape, and can cover the whole surf zone of the second surface of piezoelectric layer 131 in fact.
Piezoelectric layer 131 becomes mechanical vibration with electric signal, to produce sound.In Fig. 1, piezoelectric layer 131 can comprise polyvinyladine floride (" PVDF ") or derivatives thereof.These can use separately or use with the form of its combination.
Alternatively, piezoelectric layer 131 can comprise potpourri, vinylidene fluoride/trifluoro-ethylene copolymer (" VDF/TrFE ") of polyvinyladine floride (" PVDF ") and hexafluoropropylene (" HFP ") etc.When electric signal being provided to first and second electrodes 132 and 133, be arranged on piezoelectric layer 131 vibrations between first and second electrodes 132 and 133, to produce sound.
Transparent conductive material can be arranged on first and second surfaces of piezoelectric layer 131, to form first and second electrodes 132 and 133.The example that can be used for the transparent conductive material of first and second electrodes 132 and 133 can include but not limited to: tin indium oxide (" ITO "), tin oxide (" TO "), indium zinc oxide (" IZO "), zinc paste (" ZO "), tin indium oxide zinc (" ITZO "), amorphous state tin indium oxide (" a-ITO ") etc.These can use separately or use with the form of its combination.
Diaphragm 140 comprises conductive adhesive layer 141 and protective seam 142.Conductive adhesive layer 141 is formed on the rear surface of protective seam 142.Diaphragm 140 adheres on second electrode 133 of loudspeaker film 130 by conductive adhesive layer 141.Diaphragm 140 highlights from the end portion of loudspeaker film 130.That is, diaphragm 140 can have the surf zone bigger than the surf zone of second electrode 133.
Circuit member 151 and 152 comprises first circuit 151 and second circuit 152.First circuit 151 is electrically connected with first electrode 132 of loudspeaker film 130.Second circuit 152 is electrically connected with second electrode 133 of loudspeaker film 130.
First circuit 151 with and first electrode, 132 contacted conductive components 121 be electrically connected.Second circuit 152 with and second electrode, 133 contacted conductive adhesive layer 141 be electrically connected.By first and second circuits 151 and 152, electric signal is provided to first and second electrodes 132 and 133 of loudspeaker film 130.
Fig. 2 shows the sectional view of the typical polarizing coating assembly of another exemplary embodiments according to the present invention.
With reference to figure 2, polarizing coating assembly 200 comprises that the reflective-transmissive polarizing coating 210 of sequential cascade, vibration improve (or active) layer 220, loudspeaker film 230 and diaphragm 240, and circuit member 251 and 252.
Reflective-transmissive polarizing coating 210 is included in first psa layer 211, phase difference layer 212, second psa layer 213, first protective seam 214, polarization layer 215 and second protective seam 216 of sequential cascade in the reflective-transmissive polarizing coating 210.In first and second protective seams 214 and 216 each can include but not limited to TAC.Polarization layer 215 can include but not limited to PVA.
First and second psa layers 211 and 213 each can comprise jointing material, and the pressure that provides of response external and bonding.Each the example of jointing material that can be used for first and second psa layers 211 and 213 includes but not limited to: acrylic based resin, rubber-based resin etc.These can use separately also can its combination form use.First and second psa layers 211 and 213 each can also comprise a plurality of control first and second psa layers 211 and 213 each the particles of refractive index.Each the example of particle of refractive index that can be used to control first and second psa layers 211 and 213 includes but not limited to: zirconium, quartz etc.These can use separately also can its combination form use.
First protective seam 214 is arranged between second psa layer 213 and the polarization layer 215.Second protective seam 216 is positioned on the polarization layer 215 relative with first protective seam 214.First and second protective seams 214 and 216 each comprise transparent material.First and second protective seams 214 and 216 each can comprise the acetate base resin, such as but not limited to TAC.
The light vibration component that polarization layer 215 transmissions are parallel with the polarization direction, and stop the light vibration component vertical with the polarization direction.
Phase difference layer 212 changes the phase place of light.For example, phase difference layer 212 can become linearly polarized photon the right side or left circular polarization light.Alternatively, phase difference layer 212 can also become right or left circular polarization light with the linearly polarized photon with respect to vertical about 45 ° or about 135 ° of vibrations of polarizing coating assembly 200.
Vibration improving layer 220 is formed on second protective seam 216.In Fig. 1, the top of second protective seam 216 is surface-treated, vibrate improving layer 220 to form, and vibration improving layer 220 has been improved the vibration of loudspeaker film 230.Vibration improving layer 220 can comprise air layer.Alternatively, vibration improving layer 220 can comprise resilient material.Conductive component 121 is formed on the end portion of vibration improving layer 220, and is electrically connected with first electrode 232 of loudspeaker film 230.
Loudspeaker film 230 comprises the piezoelectric layer 231 that is arranged between first electrode 232 and second electrode 233.First electrode 232 is formed on the first surface of piezoelectric layer 231, and wherein first electrode 232 is arranged between vibration improving layer 220 and the piezoelectric layer 231.Second electrode 233 be formed on piezoelectric layer 231 with the first surface opposing second surface on, wherein second electrode 233 is arranged between diaphragm 240 and the piezoelectric layer 231.First electrode 232 can be in fact a plate shape, and can cover the whole surf zone of the first surface of piezoelectric layer 231 in fact.Equally, second electrode 233 can be in fact a plate shape, and can cover the whole surf zone of the second surface of piezoelectric layer 231 in fact.
Piezoelectric layer 231 becomes mechanical vibration with electric signal, to produce sound.In Fig. 2, piezoelectric layer 231 can include but not limited to: the PVDF or derivatives thereof.These can use separately or use with the form of its combination.
When electric signal being provided to first and second electrodes 232 and 233, piezoelectric layer 231 vibrations are to produce sound.
Transparent conductive material can be arranged on first and second surfaces of piezoelectric layer 231, to form first and second electrodes 232 and 233.The example that can be used for the transparent conductive material of first and second electrodes 232 and 233 can include but not limited to: ITO, TO, IZO, ZO, ITZO, a-ITO etc.These can use separately or use with the form of its combination.Conductive adhesive layer 241 is formed on the rear surface of protective seam 242.Diaphragm 240 adheres on second electrode 233 of loudspeaker film 230 by conductive adhesive layer 241.Diaphragm 240 highlights from the end portion of loudspeaker film 230.That is, diaphragm 240 can have the surf zone bigger than the surf zone of second electrode 233.
Circuit member 251 and 252 comprises first circuit 251 and second circuit 252.First circuit 251 is electrically connected with first electrode 232 of loudspeaker film 230.Second circuit 252 is electrically connected with second electrode 233 of loudspeaker film 230.
First circuit 251 with and first electrode, 232 contacted conductive components 221 be electrically connected.Second circuit 252 with and second electrode, 233 contacted conductive adhesive layer 241 be electrically connected.By first and second circuits 251 and 252, electric signal is provided to first and second electrodes 232 and 233 of loudspeaker film 230.
Fig. 3 A shows the sectional view of the typical method of making typical polarizing coating assembly shown in Figure 1 to 3E.
With reference to figure 1 and Fig. 3 A; utilize laminated units that web-like PSA film, web-like first diaphragm that is used to form first protective seam 112, the web-like polarizing coating that is used to form polarization layer 113 that is used to form psa layer 111, web-like second diaphragm that is used to form second protective seam 114 are carried out lamination, to form the first polarizing elements F1.
The top of second protective seam 114 is surface-treated, with formation polarization improving layer 120, thereby forms the second polarizing elements F2.Vibration improving layer 120 increases the vibratory output of loudspeaker film 130 on transmission-polarizing film 110.For example, vibration improving layer 120 can be embossed layers, air layer, bubble layer etc.Alternatively, vibration improving layer 120 can comprise the transparent elastic material with spacer (spacer).
With reference to figure 3B and Fig. 3 C, loudspeaker film 130 adheres on the second polarizing elements F2, and is positioned on the vibration improving layer 120, to form the 3rd polarizing elements F3.Loudspeaker film 130 comprises piezoelectric layer 131, be formed on first electrode 132 on the first surface of piezoelectric layer 131 and be formed on second electrode 133 on the second surface of piezoelectric layer 131.
At the size of display board, cut having the 3rd polarizing elements F3 that adheres to the loudspeaker film 130 on polarizing coating 110 and the vibration improving layer 120, to form the 4th polarizing elements F4.
To have in the space on the end portion that mobile conductive material is injected into vibration improving layer 120, to form conductive component 121.Conductive component 121 contacts with first electrode 132, and is electrically connected with first electrode 132.
With reference to figure 3D and Fig. 3 E, the diaphragm 140 that will have conductive adhesive layer 141 and protective seam 142 adheres on the 4th polarizing elements F4 at second electrode, 133 places of loudspeaker film 130, to form the 5th polarizing elements F5.
Conductive adhesive layer 141 contacts with second electrode 133 of loudspeaker film 130.Diaphragm 140 partly highlights from the end portion opposing ends that contacts with conductive component 121 on it of loudspeaker film 130.
First circuit 151 is formed on the conductive component 121 on first end portion that is positioned at loudspeaker film 130, and second circuit 152 is formed on second end portion of loudspeaker film 130.
First and second circuits 151 and 152 input terminals as loudspeaker film 130.First and second circuits 151 and 152 are electrically connected with first and second electrodes 132 and 133 respectively.
Fig. 4 A and 4B show and form the sectional view that typical case shown in Figure 1 vibrates the exemplary process of improving layer.
With reference to figure 1, Fig. 4 A and Fig. 4 B, on second protective seam 114 of transmission-polarizing film 110, coat synthetic resin layer 321.311 pairs of synthetic resin layers 321 of mould that utilization has embossed pattern impress.
Therefore, formed vibration improving layer 322 with embossed pattern.Vibration improving layer 322 comprises a plurality of protruding 322a and a plurality of depression 322b.In depression 322b, form air layer.
Synthetic resin layer 321 comprises the acryl ultraviolet curable resin.The example that can be used for the acryl ultraviolet curable resin of synthetic resin layer 321 includes but not limited to: have the photo polymerization monomer of acrylate, epoxy acrylate, polyester acrylate, urethane acrylate etc. or oligomer, acetophenone, Benzophenone, thioxanthones etc.These can use separately or use with the form of its combination.
The typical case that Fig. 5 A and 5B show formation another exemplary embodiments according to the present invention vibrates the sectional view of the exemplary process of improving layer.
With reference to figure 1, Fig. 5 A and Fig. 5 B, on second protective seam 114 of transmission-polarizing film 110, coat synthetic resin layer 323.Utilization has the mask 312 of patterns of openings, forms pattern on synthetic resin layer 323, to form vibration improving layer 324.
Vibration improving layer 324 comprises a plurality of protruding 324a and a plurality of depression 324b.In depression 324b, form air layer.
Synthetic resin layer 323 comprises the acryl ultraviolet curable resin.The example that can be used for the acryl ultraviolet curable resin of synthetic resin layer 323 includes but not limited to: have the photo polymerization monomer of acrylate, epoxy acrylate, polyester acrylate, urethane acrylate etc. or oligomer, acetophenone, Benzophenone, thioxanthones etc.These can use separately or use with the form of its combination.
The typical case that Fig. 6 A and 6B show formation another exemplary embodiments according to the present invention vibrates the sectional view of the exemplary process of improving layer.
With reference to figure 1, Fig. 6 A and Fig. 6 B, on second protective seam 114 of transmission-polarizing film 110, coat synthetic resin layer 325.Synthetic resin layer 325 comprises that having under high pressure is the gas-development agent of inert gas.The example that can be used for the inert gas of gas-development agent includes but not limited to: carbon dioxide, nitrogen etc.These can use separately or use with the form of its combination.Then, the synthetic resin layer 325 with gas-development agent is reduced pressure and heats, in synthetic resin layer 325, to form bubble 325a.
Therefore, on second protective seam 114, synthetic resin layer 325 formed vibration improving layer with bubble 325a.
The typical case that Fig. 7 shows another exemplary embodiments according to the present invention vibrates the sectional view of improving layer.
With reference to figure 7, on second protective seam 114 of transmission-polarizing film 110, coat synthetic resin layer 327.Synthetic resin layer 327 comprises a plurality of spacer 327a.For example, synthetic resin layer 327 comprises the transparent elastic bonding agent.
Spacer 327a keeps the distance between loudspeaker film 130 and the transmission-polarizing film 110.The transparent elastic bonding agent of synthetic resin layer 327 has increased the vibration of loudspeaker film 130.The transparent elastic bonding agent of synthetic resin layer 327 can play a part in fact with loudspeaker film 130 and transmission-polarizing film 110 between air layer identical, as described in exemplary embodiments before.
Fig. 8 shows the planimetric map of the typical display panel module of another exemplary embodiments according to the present invention.Fig. 9 is the sectional view along line I-I ' intercepting shown in Figure 8.
With reference to figure 8 and Fig. 9, display panel module comprises liquid crystal display (" LCD ") plate, is used as the polarizing coating assembly 200 and the following polarizing elements 201 of last polarizing elements.Be positioned at the upper surface of LCD plate as the polarizing coating assembly 200 of last polarizing elements.Following polarizing elements 201 is positioned at the lower surface of LCD plate.
The LCD plate comprises array substrate 450, relative substrate 420 and liquid crystal layer 430.Relative substrate 420 is towards array substrate 450.Liquid crystal layer 430 is inserted between array substrate 450 and the relative substrate 420.
Array substrate 450 comprises the first basic substrate 401 and is formed on many gate lines G Ln on the first basic substrate 401, many source electrode line DLm-1, DLm and DLm+1, many storage common lines 419 and a plurality of pixel P.Each pixel P comprises on-off element TFT (as thin film transistor (TFT)), pixel electrode 416 and reflecting electrode 417.Pixel electrode 416 is electrically connected with on-off element TFT.Reflecting electrode 417 is positioned at the part that is used to define echo area RA of pixel electrode 416.Limit transmission area TA with the part that does not have reflecting electrode 417 on the pixel electrode 416.
On-off element TFT comprises gate electrode 411, source electrode 413 and drain electrode 414.Gate electrode 411 is electrically connected with one of gate lines G Ln.Source electrode 413 is electrically connected with one of data line DLm+1.Drain electrode 414 is electrically connected with pixel electrode 416.
Gate insulator 402 is formed on gate lines G Ln, gate electrode 411 and the storage common line 419.Gate insulator 402 can also be formed on the expose portion of the first basic substrate 401.Channel layer 412 is formed on gate electrode 411 and source electrode separated from one another, the gate insulator 402 between the drain electrode 413,414.Channel layer 412 comprises amorphous silicon layer 412a and N+ amorphous silicon layer 412b.At the top of amorphous silicon layer 412a implanted dopant, to form N+ amorphous silicon layer 412b.
Passivation layer 403 is formed on data line DLm+1, source electrode 413 and the drain electrode 414.Passivation layer 403 can also be formed on the expose portion of gate insulator 402, and be formed between source electrode 413 and the drain electrode 414 on the amorphous silicon layer 412a in the channel region that limits, and come out by the opening of in N+ amorphous silicon layer 412b, creating.Organic layer 404 be formed on the corresponding passivation layer 403 of echo area RA on.The surface of organic layer 404 is formed pattern, and having the embossing shape, thereby the top of organic layer 404 can be used as little mirror lens, the light that stray external provides.Alternatively, organic layer 404 can also have the plane.
Partly remove passivation layer 403 and organic layer 404 on the drain electrode 414, to form contact hole 415, by contact hole 415, drain electrode 414 parts are exposed.
Pixel electrode 416 is electrically connected with drain electrode 414 by contact hole 415.Pixel electrode 416 comprises transparent conductive material.The example that can be used for the transparent conductive material of pixel electrode 416 can include but not limited to: ITO, TO, IZO, ZO, ITZO, a-ITO etc.These can use separately or use with the form of its combination.
Reflecting electrode 417 parts are formed on the pixel electrode 416, with definition echo area RA.Limit transmission area TA with the part that does not have reflecting electrode 417 on the pixel electrode 416.Reflecting electrode 417 comprises high reflecting material.The example that can be used for the high reflecting material of reflecting electrode 417 includes but not limited to: aluminium, aluminium neodymium alloy, silver, silver-molybdenbum etc.These can use separately or use with the form of its combination.
Relative substrate 420 comprises the second basic substrate 421.
Black matrix (black matrix) 422 is formed on the second basic substrate 421.Source electrode line DLm-1, the DLm of black matrix 421 and array substrate 450 and DLm+1 and gate lines G Ln are corresponding.
When the storage common line 419 under being formed on source electrode line DLm-1, DLm and DLm+1 has the size of each bar that enough covers source electrode line DLm-1, DLm and DLm+1 greatly, black matrix 422 is covering gate polar curve GLn only, thereby storage common line 419 can play black matrix 422.
Colour filter 423 is formed on the second basic substrate 421 with black matrix 422.Colour filter 423 can include but not limited to redness, green and blue color filter.
Unthreaded hole LH can be formed on the corresponding part of the part with echo area RA of colour filter 423.Partly remove the part of colour filter 423, to form unthreaded hole LH.External coating 424 is formed on the colour filter 423.Common electrode layer 425 is formed on the external coating 424.
Liquid crystal layer 430 comprise with the corresponding first module of transmission area TA gap 2 Δ nd and with the corresponding second cell gap Δ nd of echo area RA, thereby echo area RA has the light path identical with transmission area TA in fact, wherein, Δ n and d represent the anisotropy and the thickness of liquid crystal layer 430 respectively.In Fig. 8 and 9, the thickness of organic layer 404 in the RA of echo area is bigger than its thickness in transmission area TA.As shown in Figure 9, can from transmission area TA, get rid of organic layer 404.Alternatively, the thickness of external coating 424 can change with the control module gap.
The polarizing coating assembly 200 that is used to form Fig. 8 and 9 last polarizing elements in fact with Fig. 2 in identical, and with reference to figure 2, so that observe the last polarizing elements of the display panel module of Fig. 8 and 9 in more detail.Therefore, identical reference number will be used for representing the same or analogous parts of the parts of describing with Fig. 2, and will omit the detailed explanation of relevant said elements.
Refer again to Fig. 2, polarizing coating assembly 200 comprises reflective-transmissive polarizing coating 210, vibration improving layer 220, loudspeaker film 230 and diaphragm 240, and circuit member 251 and 252.Comprise that the reflective-transmissive polarizing coating 210 of phase difference layer 212 changes the phase place of light.For example, reflective-transmissive polarizing coating 210 can become linearly polarized photon the right side or left circular polarization light.Alternatively, reflective-transmissive polarizing coating 210 can also become linearly polarized photon with right or left circular polarization light.
Circuit member 251 and 252 is electrically connected between loudspeaker film 230 and voice signal output (not shown), with the transmission electric signal.Loudspeaker film 230 becomes mechanical vibration with electric signal, to produce sound.
Vibration improving layer 220 is inserted between reflective-transmissive polarizing coating 210 and the loudspeaker film 230, to improve the tonequality of sound.
Following polarizing elements 201 can have in fact and reflective-transmissive polarizing coating 210 identical materials.For example, following polarizing elements 201 can comprise the phase difference layer that linearly polarized photon is become the right side or left circular polarization light, as phase difference layer 212.Alternatively, following polarizing elements 201 can also become linearly polarized photon with right or left circular polarization light.
Figure 10 A and 10B show the sectional view of light by typical display panel module shown in Figure 8.Display panel module has often bright morphotype formula.Under bright morphotype formula often, when electric power not being offered liquid crystal layer 430, display panel module shows white image.In addition, polarizing coating assembly 200 parts as last polarizing elements comprise first polarization layer 215 and first phase difference layer 212.Following polarizing elements 201 parts shown in Figure 10 B comprise second polarization layer 205 and second phase difference layer 202.
With reference to figure 8 to 10A, under reflective-mode, corresponding to echo area RA, when electric power not being offered liquid crystal layer 430, the light that the outside provides becomes linearly polarized photon by first polarization layer 215.This linearly polarized photon becomes as left circular polarization light by first phase difference layer 212.Alternatively, linearly polarized photon can pass through first phase difference layer 212, becomes right circular polarization light.That is, first phase difference layer 212 changes the about λ of phase place/4 of light.
When left circular polarization light passed through liquid crystal layer 430, liquid crystal layer 430 kept horizontally, because do not provide electric power to liquid crystal, as shown in the OFF pattern of Figure 10 A.Have horizontal liquid crystal layer 430 left circular polarization light is become linearly polarized photon.That is, liquid crystal layer 430 changes the about λ of phase place/4 of light.The linearly polarized photon of reflection by liquid crystal layer 430, becomes left circular polarization light once more.Liquid crystal layer 430 changes the about λ of phase place/4 of light.Liquid crystal layer 430 is about Δ nd with the corresponding light characteristic of echo area RA, represents second cell gap (cell gap).
Left side circular polarization light becomes linearly polarized photon, to vibrate on parallel with first polarization direction of the first polarization layer 215 in fact direction by first phase difference layer 212.Linearly polarized photon passes through first polarization layer 215, thereby shows white image.
Under reflective-mode, shown in the ON pattern of Figure 10 A, when electric power was provided to liquid crystal layer 430, the light that the outside provides became linearly polarized photon by first polarization layer 215.This linearly polarized photon becomes as left circular polarization light by first phase difference layer 212.That is, phase difference layer 212 changes the about λ of phase place/4 of light.
Left side circular polarization light is by the liquid crystal layer 430 of homeotropic alignment owing to the electric power that is provided to liquid crystal, thereby left circular polarization light leaves liquid crystal layer 430.That is, liquid crystal layer 430 does not change the phase place of light, and allows left circular polarization light by liquid crystal layer 430.From the left circular polarization light of reflecting electrode 417 reflections, become right circular polarization light.The right circular polarization light of reflection is by liquid crystal layer 430.Then, right circular polarization light becomes linearly polarized photon by first phase difference layer 212, vibrates on substantially vertical with first polarization direction direction.Linearly polarized photon is stopped by first polarization layer 215, thereby shows picture black.
With reference to figure 8,9 and 10B, under transmission mode, corresponding to transmission area TA, shown in the OFF pattern among Figure 10 B, when not when liquid crystal layer 430 provides electric power, the light that provides from the inside that the backlight assembly (not shown) produces becomes linearly polarized photon by second polarization layer 205.This linearly polarized photon becomes right circular polarization light by second phase difference layer 202.That is, second phase difference layer 202 changes the about λ of phase place/4 of light.Right circular polarization light is by pixel electrode 416, it is incided liquid crystal layer 430.
Liquid crystal layer 430 is about 2 Δ nd with the corresponding light characteristic of transmission area TA, and expression first module gap promptly is about twice of liquid crystal layer 430 and the corresponding light characteristic of echo area RA.
When not when liquid crystal layer 430 provides electric power, liquid crystal layer 430 is horizontal.Right circular polarization light becomes left circular polarization light by liquid crystal layer 430.That is, liquid crystal layer 430 changes the about λ of phase place/2 of light.Left side circular polarization light becomes linearly polarized photon by first phase difference layer 212, vibrates on first polarization direction of first polarization layer 215 in fact.Linearly polarized photon passes through first polarization layer 215, thereby shows white image.
Under transmission mode, shown in the ON pattern among Figure 10 B, when when liquid crystal layer 430 provides electric power, the light that provides from the inside of backlight assembly (not shown) becomes linearly polarized photon by second polarization layer 205.This linearly polarized photon becomes right circular polarization light by second phase difference layer 202.This right side circular polarization light is by pixel electrode 416, so that it is incided in the liquid crystal layer 430.
When liquid crystal layer 430 provides electric power, liquid crystal layer 430 is homeotropic alignments.Right circular polarization light is by liquid crystal layer 430, thereby right circular polarization light leaves liquid crystal layer 430.That is, liquid crystal layer 430 does not change the phase place of light.
Right circular polarization light becomes linearly polarized photon by first phase difference layer 212, and first polarization direction with first polarization layer 215 vertically vibrates in fact.Linearly polarized photon is stopped by first polarization layer 215, thereby shows picture black.
In 10B, display panel module is the display panel module of reflective-transmissive type at Fig. 8.Alternatively, display panel module can be a transmission-type.In 10B, the polarizing coating assembly 200 that is used as last polarizing elements comprises loudspeaker film 230 at Fig. 8.Alternatively, following polarizing elements 210 can comprise loudspeaker film 230.
Figure 11 shows the planimetric map according to the typical display panel module of another exemplary embodiments of the present invention.Figure 12 is the sectional view along line II-II ' intercepting shown in Figure 11.
With reference to Figure 11 and 12, display panel module comprises organic light emitting display (" OLED ") plate and the polarizing coating assembly 100 that is positioned on the OLED plate.
The OLED plate comprises basic substrate 405.Base substrate 405 comprises many source electrode line DLm, many gate lines G Ln, many bias line VLk and a plurality of pixel P.Limit pixel P by source electrode, grid and bias line DLm, GLn and VLk.
Each pixel P comprises the first on-off element TFT1, second switch elements T FT2, holding capacitor CST and organic illuminating element EL.
The first on-off element TFT1 comprises first grid electrode 441, first source electrode 443 and first drain electrode 444.First grid electrode 441 is electrically connected with one of gate lines G Ln.First source electrode 443 is electrically connected with one of source electrode line DLm.First drain electrode 444 is electrically connected with holding capacitor CST and second switch elements T FT2.In addition, the first on-off element TFT1 can also comprise first channel part 442 on the first grid electrode 441 between first source electrode 443 and first drain electrode 444.First channel part 442 can comprise amorphous silicon layer and N+ amorphous silicon layer (not shown).
Second switch elements T FT2 comprises second grid electrode 451, second source electrode 453 and second drain electrode 454.Second grid electrode 451 is electrically connected with first drain electrode 444 of the first on-off element TFT1.Second source electrode 453 is electrically connected with one of bias line VLk.Second drain electrode 454 is electrically connected with organic illuminating element EL.In addition, second switch elements T FT2 can also comprise second channel part 452 on the second grid electrode 451 between second source electrode 453 and second drain electrode 454.Second channel part 452 can comprise amorphous silicon layer 452a and N+ amorphous silicon layer 452b.Can be to the top implanted dopant of amorphous silicon layer 452a, to form N+ amorphous silicon layer 452b.Second switch elements T FT2 can be the driving element that drives organic illuminating element EL.
Holding capacitor CST comprises first electrode 461 and second electrode 462.First electrode 461 is electrically connected with second grid electrode 451.Second electrode 462 is electrically connected with bias line VLk.
Organic illuminating element EL comprises pixel electrode 470, public electrode 490 (shown in Figure 12) and organic luminous layer 480.Pixel electrode 470 is electrically connected with second drain electrode 454 by the opening 456 that is formed in the passivation layer 407.Organic luminous layer 480 is inserted between pixel electrode 470 and the public electrode 490.
Gate insulator 406 is inserted between first and second gate electrodes 441 and 451 and first and second channel part 442 and 452.Gate insulator 406 also is formed on the expose portion of basic substrate 405, and is formed on first electrode 461 of gate lines G Ln and holding capacitor CST.Passivation layer 407 is formed on first and second source electrodes 443 and 453 and first and second drain electrodes 444 and 454.Passivation layer 407 also is formed on the expose portion of gate insulator 406, and is formed on second electrode 462 of data line DLm and holding capacitor.
The pixel electrode 470 of organic illuminating element EL is formed on the basic substrate 405 with gate insulator 406 and passivation layer 407.Organic luminous layer 480 is formed on the pixel electrode 470.Public electrode 490 is formed on the organic luminous layer 480, and can also be formed on edge (bank) layer 408.Pixel electrode 470 can be the anode of organic illuminating element EL.Public electrode 490 can be the negative electrode of organic illuminating element EL.
Can comprise positive charge input horizon, positive charge transfer layer, luminescent layer, negative charge input horizon and negative charge transport floor in the bright district that the edge floor 408 by on the pixel electrode 470 of organic luminous layer 480 limits.Edge layer 408 can form according to the negative photosensitive anticorrosion layer, and the inside surface of edge layer 408 can be with respect to the surface tilt of basic substrate 405.
In the operation, signal by the first grid electrode 441 that one of gate lines G Ln is provided to the first on-off element TFT1, is therefore connected the first on-off element TFT1.Then, data-signal is provided to second switch elements T FT2 by one of source electrode line DLm.Therefore, second switch elements T FT2 is switched on, and data-signal is stored among the holding capacitor CST.
When connecting second switch elements T FT2, the bias voltage according to by one of bias line VLk transmission is provided to organic illuminating element EL with data-signal.Therefore, organic illuminating element EL produces light.
Figure 11 and 12 polarizing coating assembly 100 be in fact with shown in Figure 1 identical, and with reference to figure 1, so that check the polarizing coating assembly 100 of the display panel module of Figure 11 and 12 in more detail.Therefore, identical reference number will be used to represent and the same or analogous part of the part described in Fig. 1, and will omit the detailed explanation of relevant said elements.
Refer again to Fig. 1, polarizing coating assembly 100 comprises transmission-polarizing film 110, vibration improving layer 120, loudspeaker film 130 and diaphragm 140, and circuit member 151 and 152.The light vibration component that 110 transmissions of transmission-polarizing film are parallel with the polarization direction, and stop the light vibration component vertical with the polarization direction.
Voice signal is provided to the circuit member 151 and 152 that between the lead-out terminal of loudspeaker film 130 and voice signal output block (not shown), is electrically connected.Loudspeaker film 130 becomes mechanical vibration to produce sound with voice signal.
Vibration improving layer 120 is inserted between transmission-polarizing film 110 and the loudspeaker film 130, and improves the vibration of loudspeaker film 130, thereby improves tonequality.
Figure 13 shows the block scheme of the typical display device of another exemplary embodiments according to the present invention.
With reference to Figure 13, display device comprises timing controlled parts 510, voltage production part 520, benchmark gamma electric voltage production part 530, voice signal output block 560 and display unit 570.
Timing controlled parts 510 produce the first control signal 510a, the second control signal 510b and the 3rd control signal 510c according to the control signal 501 that provides from external unit (not shown) outside.First control signal 510a control voltage production part 520.Second control signal 510b control source electrode driver part 540.The 3rd control signal 510c control grid driver part 550.
The control signal 501 that the outside provides can comprise master clock signal MCLK, horizontal-drive signal HSYNC, vertical synchronizing signal VSYNC, data enable signal DE etc.The first control signal 510a comprises master clock signal MCLK.The second control signal 510b comprises horizontal commencing signal STH and load signal TP.The 3rd control signal 510c comprises commencing signal STV, scan clock signal CPV and output enable signal OE.
By the second data-signal 510d being provided to the interface method of source drive parts 540, timing controlled parts 510 are handled first data-signal 502 that the unit is provided from the outside.
Voltage production part 520 produces driving voltage to drive display device.More specifically, voltage production part 520 produces supply voltage 520a, grid voltage 520b and common electric voltage 520c.Supply voltage 520a is provided to benchmark gamma electric voltage production part 530.Grid voltage 520b is provided to gate driving parts 550.Common electric voltage 520c is provided to display unit 570.Grid voltage 520b comprises gate-on voltage and grid cut-off voltage.Common electric voltage 520c comprises at the common electric voltage VCOM of liquid crystal capacitor CLC with at the common electric voltage VST of holding capacitor CST.
Benchmark gamma electric voltage production part 530 comprises the resistor string with the corresponding resistor of a plurality of and predetermined gamma curve.Utilize the resistor string, will be divided into a plurality of benchmark gamma electric voltage 530a from the supply voltage 520a that voltage production part 520 produces, so that benchmark gamma electric voltage 530a is provided to source drive parts 540.
According to the second control signal 510b and benchmark gamma electric voltage 530a, source drive parts 540 are converted to the 3rd data-signal of analog type with the second data-signal 510d, and the 3rd data-signal of analog type are offered the source electrode line DL of display unit 570.
Gate driving parts 550 are shift registers, according to the 3rd control signal 510c and grid voltage 520b, sequentially a plurality of signals are offered the gate lines G L of display unit 570.Gate driving parts 550 can be integrated on the display unit 570.Alternatively, gate driving parts 550 can be installed on the display unit 570.
According to first voice signal 503 that is provided to voice signal output block 560 from external unit, voice signal output block 560 is provided to second sound signal 560a the polarizing coating assembly 100 of display unit 570.More specifically, second sound signal 560a is provided to two end portion of the loudspeaker film 130 of polarizing coating assembly 100.
Display unit 570 comprises LCD plate 400 and the polarizing coating assembly 100 that is positioned on the LCD plate 400.
LCD plate 400 comprises source electrode line DL, gate lines G L and a plurality of pixel P that arrange with matrix form.Limit pixel P by source electrode and gate line DL and GL.Each pixel P comprises on-off element TFT (as thin film transistor (TFT)), liquid crystal capacitor CLC and holding capacitor CST.
Polarizing coating assembly 100 comprises transmission-polarizing film 110, vibration improving layer 120, loudspeaker film 130, diaphragm 140 and circuit member 151 and 152.
Transmission-polarizing film 110 comprises psa layer 111, first protective seam 112, polarization layer 113 and second protective seam 114.First and second protective seams 112 and 114 each can comprise TAC.Polarization layer 113 can comprise PVAC polyvinylalcohol.First protective seam 112 is inserted between psa layer 111 and the polarization layer 113.Second protective seam 114 and first protective seam 112 relatively are formed on the polarization layer 113.
Light vibration part on polarization layer 113 transmission polarization direction, and stop with the polarization direction different directions on the light vibration part.Vibration improving layer 120 is formed on second protective seam 114.Vibration improving layer 120 can comprise air layer.Alternatively, vibration improving layer 120 can comprise resilient material.
Loudspeaker film 130 comprises the piezoelectric layer 131 that is arranged between first electrode 132 and second electrode 133.First electrode 132 is formed on the first surface of piezoelectric layer 131, and wherein first electrode 132 is arranged between vibration improving layer 120 and the piezoelectric layer 131.Second electrode 133 be formed on piezoelectric layer 131 with the first surface opposing second surface on, wherein second electrode 133 is arranged between diaphragm 140 and the piezoelectric layer 131.First electrode 132 can be in fact a plate shape, and can cover the whole surf zone of the first surface of piezoelectric layer 131 in fact.Equally, second electrode 133 can be in fact a plate shape, and can cover the whole surf zone of the second surface of piezoelectric layer 131 in fact.First and second electrodes 132 and 133 are electrically connected with first and second circuits 151 and 152 respectively.By first and second circuits 151 and 152, second sound signal 560a is provided to loudspeaker film 130.
Figure 14 shows the block scheme of typical voice signal output block shown in Figure 13.
With reference to figure 1,13 and 14, voice signal output block 560 comprises input block 561, amplifier unit 562 and converting member 563.Converting member 563 is provided to first and second circuits 151 and 152 with second sound signal 560a, and described first and second circuits 151 and 152 are electrically connected with first and second electrodes 132 and 133 of loudspeaker film 130 respectively.
Input block 561 receives first voice signal 503 that is provided to voice signal output block 560 from external source.Amplifier unit 562 amplifies the level of first voice signal 503.Converting member 563 is according to first voice signal, the 503 output second sound signal 560a that amplify.More specifically, second sound signal 560a drives loudspeaker film 130.
First and second circuits 151 and 152 by the lead-out terminal with converting member 563 is electrically connected offer first and second electrodes 132 and 133 respectively with second sound signal 560a.
When second sound signal 560a was offered first and second electrodes 132 and 133, piezoelectric layer 131 vibrations were to produce sound.
Figure 15 shows the decomposition diagram of the typical display device of another exemplary embodiments according to the present invention.Figure 16 shows the sectional view of typical display device shown in Figure 15.
With reference to Figure 15 and 16, display device comprises display module 600, voice signal output block 710, loudspeaker film 720 and vibration improving layer 730.
Display module 600 comprises storage container 601, backlight assembly 650 and board component 690.
Storage container 601 comprises that base plate and a plurality of side from base plate highlight to form the sidewall of spatial accommodation.On at least one sidewall of storage container 601, form fixed orifice 601.
Backlight assembly 650 produces light.Backlight assembly 650 comprises light source 610, flexible printed circuit board (" PCB ") 620, light guide plate 630 and reflecting plate 640.
Light source 610 produces light.For example, light source 610 can comprise a plurality of light emitting diodes (" LED "), but other light source is also in the scope of these embodiment.Light source 610 can be positioned on the side of light guide plate 630.Although be depicted as on the side that is positioned at light guide plate 630, light source 610 also can be positioned on the relative side of light guide plate 630.
Light source 610 can be installed on the flexible PCB 620.Flexible PCB 620 comprises that circuit pattern is to be transferred to drive signal light source 610.Alternatively, light source 610 can separate with flexible PCB 620.
630 pairs of light that produce from light source 610 of light guide plate lead.Light guide plate 630 can comprise that a plurality of dot pattern (not shown) are with direct light.Dot pattern can be printed on the light guide plate 630.Alternatively, can utilize the mould that forms dot pattern that seal light guide plate 630 is impressed.Alternatively or additionally, also can be formed on the light guide plate 630 such as other patterns such as burr and grooves.
Reflect the part light that leaks out from light guide plate 630 by the reflecting plate 640 that is positioned under the light guide plate 630, with light reflected back light guide plate 630, to increase the brightness of backlight assembly 650.Reflecting plate 640 can be plate shape, sheet shape etc.
Board component 690 is positioned on the backlight assembly 650, is used for according to light display image.Board component 690 comprises that mold framework 660, brightness increase parts 670 and display panel module 680.
Mold framework 660 holds brightness increases parts 670, and guiding flexible PCB 620 and light guide plate 630.On at least one sidewall of mold framework 660, form fixed projection 661.
Fixed projection 661 is inserted among the fixed orifice 601a of storage container 601, thereby mold framework 660 combines with storage container 601.Therefore, backlight assembly 650 is fixed to storage container 601.
Brightness increases parts 670 and comprises diffusion part and a plurality of mating plate.Can use the mating plate of any amount.Brightness increases parts 670 and is included in the mold framework 660.Brightness increases parts 670 and has increased brightness uniformity on the plate and brightness when browsing.The light that leaves brightness increase parts 670 incides in the display panel module 680.
Display panel module 680 utilizes the electricity of liquid crystal molecule and light characteristic to come display image.Display panel module 680 comprises display board 683, chip for driving 684 and flexible PCB 685.
Display board 683 comprises thin film transistor (TFT) (" TFT ") substrate 681, color filter substrate 682 and the liquid crystal layer (not shown) that comprises liquid crystal molecule.Color filter substrate 682 is towards TFT substrate 681, and combines with TFT substrate 681.The liquid crystal layer (not shown) is inserted between TFT substrate 681 and the color filter substrate 682.
Chip for driving 684 is installed on the periphery of TFT substrate 681, and being used for provides drive signal to display board 683.Drive signal comprises data-signal, grid control signal and data controlling signal.Chip for driving 684 can comprise data driving chip and grid drive chip.Alternatively, chip for driving 684 can comprise single integrated drive chips.For example, by glass top chip (" COG ") method, chip for driving 684 is installed on the periphery of TFT substrate 681, still other method that chip for driving 684 and TFT substrate 681 are combined is also in the scope of these embodiment.
Flexible PCB 685 is installed on the periphery of TFT substrate 681, with the signal that provides the outside to provide to chip for driving 684.Flexible PCB 685 can pass through anisotropic conductive film (" ACF ") and be electrically connected with TFT substrate 681.
According to first voice signal that offers voice signal output block 710 from external source, voice signal output block 710 offers loudspeaker film 720 with second sound signal.
Loudspeaker film 720 is arranged under the storage container 601, as under the base plate of storage container 601.Loudspeaker film 720 comprises the piezoelectric layer 721 that is arranged between first electrode 722 and second electrode 723.First electrode 722 is formed on the first surface of piezoelectric layer 721.Second electrode 723 is formed on the second surface of piezoelectric layer 721.First electrode 722 can be in fact a plate shape, and can cover the whole surf zone of the first surface of piezoelectric layer 721 in fact.Equally, second electrode 723 can be in fact a plate shape, and can cover the whole surf zone of the second surface of piezoelectric layer 721 in fact.
Piezoelectric layer 721 will become mechanical vibration as the second sound signal from the electric signal of voice signal output block 710, to produce sound.Piezoelectric layer 721 can comprise PVDF and derivant thereof.Alternatively, piezoelectric layer 721 can comprise the potpourri of PVDF and HFP, the multipolymer of VDF/TrFE etc.
In the time will offering first and second electrodes 722 and 723 from the second sound signal that voice signal output block 710 produces, piezoelectric layer 721 vibrations are to produce sound.First and second electrodes 722 and 723 each can comprise metal or transparent conductive material.First and second electrodes 722 and 723 are positioned on two apparent surfaces of piezoelectric layer 721.
Vibration improving layer 730 comprises air layer, has at least one in the bubble layer of a plurality of bubbles, embossed layers, the elasticity transparent adhesive layer etc., to increase the vibration of loudspeaker film 720.As described in that vibration improving layer 730 is inserted in the surface (as base plate) of storage container 601 and the loudspeaker film 720 and storage container 601 between corresponding first surface in surface.For example, vibration improving layer 730 can be arranged between first electrode 722 of the base plate of storage container 601 and loudspeaker film 720.
Vibration improving layer 730 has increased the vibration of the first surface of loudspeaker film 720.Air layer can be positioned on the second surface of loudspeaker film 720, to increase the vibration of piezoelectric layer 721.
Figure 17 shows the block scheme of the typical operation of typical speaker film shown in Figure 15.
With reference to Figure 17, voice signal output block 710 comprises input block 711, amplifier unit 712 and converting member 713.Converting member 713 is provided to second sound signal at first and second electrodes 722 and 723 of loudspeaker film 720.
Input block 711 receives first voice signal that is provided to voice signal output block 710 from external source.Amplifier unit 712 amplifies the level of first voice signal.Converting member 713 is according to first voice signal output second sound signal that amplifies.More specifically, second sound signal drives loudspeaker film 720.
To offer first and second electrodes 722 and 723 from the second sound signal that the lead-out terminal of converting member 713 is exported.The lead-out terminal of converting member 713 is electrically connected with first and second electrodes 722 and 723 respectively.
When second sound signal being offered first and second electrodes 722 and 723, piezoelectric layer 721 vibrations of loudspeaker film 720 are to produce sound.
Figure 18 A and 18B show and form the sectional view that typical case shown in Figure 15 vibrates the exemplary process of improving layer.
With reference to figure 18A and 18B, on first electrode 722 of loudspeaker film 720, coat synthetic resin layer 731.
830 pairs of synthetic resin layers 731 of mould that utilization has embossed pattern impress, and have the vibration improving layer 732 of embossed pattern with formation.
Synthetic resin layer 731 comprises the acryl ultraviolet curable resin.The example that can be used for the acryl ultraviolet curable resin of synthetic resin layer 731 includes but not limited to: have the photo polymerization monomer of acrylate, epoxy acrylate, polyester acrylate, urethane acrylate etc. or oligomer, acetophenone, Benzophenone, thioxanthones etc.These can use separately or use with the form of its combination.
Therefore, vibration improving layer 732 has a plurality of projectioies and a plurality of depression.In depression, form air layer, shown in reference character " a " among Figure 18 B.
Figure 19 A and 19B show the exemplary process of improving layer is vibrated in formation according to the typical case of another exemplary embodiments of the present invention sectional view.
With reference to figure 19A and 19B, on first electrode 722 of loudspeaker film 720, coat synthetic resin layer 741.The mask 840 that utilization has patterns of openings forms pattern on synthetic resin layer 741, remove synthetic resin layer 741 with part.
Vibration improving layer 742 comprises a plurality of projectioies and a plurality of depression.The part synthetic resin of synthetic resin layer 741 can be retained in the vibration improving layer 742, forming projection, and removes the synthetic resin of synthetic resin layer 741 from vibration improving layer 742, to form depression.In depression, form air layer, shown in reference character " a " among Figure 19 B.
Synthetic resin layer 741 comprises the acryl ultraviolet curable resin.The example that can be used for the acryl ultraviolet curable resin of synthetic resin layer 741 includes but not limited to: have the photo polymerization monomer of acrylate, epoxy acrylate, polyester acrylate, urethane acrylate etc. or oligomer, acetophenone, Benzophenone, thioxanthones etc.These can use separately or use with the form of its combination.
The typical case that Figure 20 shows formation another exemplary embodiments according to the present invention vibrates the sectional view of the typical method of improving layer.
With reference to Figure 20, on first electrode 722 of loudspeaker film 720, coat the potpourri of clear binder 752 and a plurality of spacer 751, to form vibration improving layer 753.Clear binder 752 be can be synchronous with the vibration of loudspeaker film 720 resilient material.
That is the distance between spacer 751 maintenance loudspeaker films 720 and the display device.The clear binder 752 of resilient material increases the vibration of loudspeaker film 720.
Figure 21 shows the sectional view of the typical display device of another exemplary embodiments according to the present invention.Except loudspeaker film 920 and vibration improving layer 930, the display device of Figure 21 is in fact with shown in Figure 15 identical.Therefore, use identical reference number represent with Figure 15 in the same or analogous parts of parts, and omitted detailed explanation about said elements.
With reference to Figure 21, display device comprises display module, voice signal output block (not shown), loudspeaker film 920 and vibration improving layer 930.Display module partly comprises storage container 601, backlight assembly 650 and board component 690.
Storage container 601 comprises the spatial accommodation that is used to hold backlight assembly 650 and board component 690.Backlight assembly 650 produces the light that offers board component 690.Board component 690 comes display image according to light.
Loudspeaker film 920 is positioned on the side surface of storage container 601.For example, loudspeaker film 920 is positioned at one of the sidewall with storage container 601 position adjacent, rather than is positioned under the base plate of storage container 601 as above-mentioned previous embodiment.
Loudspeaker film 920 comprises the piezoelectric layer 921 that is arranged between first electrode 922 and second electrode 923.First electrode 922 is formed on the first surface of piezoelectric layer 921.Second electrode 923 is formed on the second surface of piezoelectric layer 921.First electrode 922 can be positioned at the position of more approaching the sidewall of storage container 601 than second electrode 923.First and second electrodes 922,923 can be in fact plate shapes, and can have the surface area identical with piezoelectric layer 921 in fact.
Piezoelectric layer 921 will become mechanical vibration from the second sound signal of voice signal output block (not shown) output, to produce sound.Piezoelectric layer 921 can include but not limited to the PVDF or derivatives thereof.
In the time will offering first and second electrodes 922 and 923 from the second sound signal that voice signal output block (not shown) produces, piezoelectric layer 921 vibrations are to produce sound.First and second electrodes 922 and 923 each can comprise metal or transparent conductive material.First and second electrodes 922 and 923 lay respectively on first and second surfaces of piezoelectric layer 921.
Vibration improving layer 930 comprises air layer, have bubble layer, the embossed layers of a plurality of bubbles, have at least one in the elasticity transparent adhesive layer etc. of spacer, to increase the vibration of loudspeaker film 920.Vibration improving layer 930 is inserted between the side surface and loudspeaker film 920 of display device.More specifically, vibration improving layer 930 can be arranged between first electrode 922 of the sidewall of storage container 601 and loudspeaker film 920.
Vibration improving layer 930 has increased the vibration of the first surface of loudspeaker film 920.Air layer can be positioned on the second surface of loudspeaker film 920, to increase the vibration of piezoelectric layer 921.
Figure 22 shows the decomposition diagram according to the typical display device of another exemplary embodiments of the present invention.Except loudspeaker film and vibration improving layer, the display device of Figure 22 is in fact with shown in Figure 15 identical.Therefore, use identical reference number to represent and the same or analogous part of the parts described in Figure 15, and will omit any detailed explanation of relevant said elements.
With reference to Figure 22, display device comprises display module 600, voice signal output block 950, loudspeaker film 960 and vibration improving layer 970.Display module 600 comprises storage container 601, backlight assembly 650 and board component 690.
According to first voice signal that is provided to voice signal output block 950 from external source, voice signal output block 950 is provided to loudspeaker film 960 with second sound signal.
Loudspeaker film 960 is positioned on the display board 683.Loudspeaker film 960 comprises the piezoelectric layer 961 that is arranged between first electrode 962 and second electrode 963.First electrode 962 is formed on the first surface of piezoelectric layer 961.Second electrode 963 is formed on the second surface of piezoelectric layer 961.First and second electrodes 962,963 can be in fact plate shapes, and can have the surface area identical with piezoelectric layer 961 in fact.
Piezoelectric layer 961 will become mechanical vibration from the second sound signal of voice signal output block 950 outputs, to produce sound.Piezoelectric layer 961 can comprise the PVDF or derivatives thereof.Alternatively, piezoelectric layer 961 can include but not limited to: the potpourri of PVDF and HFP, the multipolymer of VDF/TrFE etc.
In the time will offering first and second electrodes 962 and 963 from the second sound signal that voice signal output block 950 produces, piezoelectric layer 961 vibrations are to produce sound.First and second electrodes 962 and 963 each can comprise transparent conductive material.The example that can be used for the transparent conductive material of first and second electrodes 962 and 963 includes but not limited to: ITO, TO, IZO, ZO, ITZO, a-ITO etc.These can use separately or use with the form of its combination.
Vibration improving layer 970 comprises air layer, has at least one in the bubble layer of a plurality of bubbles, embossed layers, the elasticity transparent adhesive layer etc., to increase the vibration of loudspeaker film 960.Between that vibration improving layer 970 is inserted in surface of display board 683 and the loudspeaker film 960 and display board 683 corresponding first surfaces.More specifically, vibration improving layer 970 can be arranged between first electrode 962 of the color filter substrate 682 of display board 683 and loudspeaker film 960.For example, vibration improving layer 970 comprises transparent material.
Vibration improving layer 970 has increased the vibration of the first surface of loudspeaker film 960.Air layer can be positioned on the second surface of loudspeaker film 960, to increase the vibration of loudspeaker film 960.
According to the present invention, polarizing elements comprises loudspeaker film, thereby display device can produce sound.Increase the vibration improving layer of the vibration of loudspeaker film by being inserted in being used between polarizing coating and the loudspeaker film, polarizing coating and loudspeaker film are combined, thereby strengthened tonequality.Therefore, can reduce the size and the thickness of display device.
In addition, can utilize the vibration improving layer that loudspeaker film is adhered to display plate component, thereby reduce the size and the thickness of display device.In addition, volume and tonequality have been strengthened.
The present invention has been described with reference to exemplary embodiments.Yet obviously, according to the description of front, many to one of ordinary skill in the art optional modifications and changes will be conspicuous.Therefore, the present invention comprises this optional modifications and changes in all spirit and scope that fall into claims.

Claims (31)

1, a kind of polarizing coating assembly comprises:
Polarizing coating comprises the polarization layer of transmission and the light component of the parallel vibration in polarization direction;
Loudspeaker film is positioned on the polarizing coating, and described loudspeaker film changes electric signal into mechanical vibration, to produce sound;
The vibration improving layer is arranged between described polarizing coating and the described loudspeaker film, and described vibration improving layer has been improved described mechanical vibration; And
The circuit member is electrically connected with described loudspeaker film, described circuit member transmission of electric signals.
2, polarizing coating assembly according to claim 1, wherein, described loudspeaker film comprises:
First and second electrodes are used to receive electric signal; And
Piezoelectric layer is arranged between described first and second electrodes.
3, polarizing coating assembly according to claim 2, wherein, described first electrode covers the substantial portion of the first surface of described piezoelectric layer at least, and described second electrode covers the substantial portion of the second surface of described piezoelectric layer at least, and described first surface is relative with described second surface.
4, polarizing coating assembly according to claim 2 also comprises:
Conductive component is positioned on the end portion of vibration improving layer, and described conductive component is electrically connected with first electrode of described loudspeaker film; And
Protective seam sticks to by electroconductive binder on second electrode of described loudspeaker film.
5, polarizing coating assembly according to claim 4, wherein said circuit member comprises:
First circuit is electrically connected with described conductive component; And
Second circuit is electrically connected with described electroconductive binder.
6, polarizing coating assembly according to claim 1, wherein said vibration improving layer comprises air layer.
7, polarizing coating assembly according to claim 6, wherein said vibration improving layer also comprises:
Bossing is used to support described loudspeaker film and described polarizing coating; And
Sunk part is used to form air layer.
8, polarizing coating assembly according to claim 1, wherein said vibration improving layer comprises:
A plurality of spacers; And
The elastic adhesive layer is used to support described spacer.
9, polarizing coating assembly according to claim 1, wherein said vibration improving layer is formed by synthetic resin layer.
10, polarizing coating assembly according to claim 9, wherein said vibration improving layer comprises a plurality of bubbles.
11, polarizing coating assembly according to claim 1, wherein, described polarizing coating also comprises the phase difference layer that is positioned under the polarization layer, described phase difference layer is used to change the phase place of light.
12, a kind of method that is used to make the polarizing coating assembly, described method comprises:
Formation has the main film of polarization layer;
On described main film, form the vibration improving layer;
Loudspeaker film is adhered to described vibration improving layer, to form first membrane module;
Cut described first membrane module with respect to the size of display board;
On the end portion of described vibration improving layer, form the conductive component that is electrically connected with first electrode of described loudspeaker film;
The transparent protective film that will have the electrically conducting transparent adhesive phase adheres on second electrode of described loudspeaker film; And
Form first circuit that is electrically connected with described conductive component and second circuit that is electrically connected with described electrically conducting transparent adhesive phase.
13, method according to claim 12, wherein, described formation vibration improving layer comprises:
On described main film, coat synthetic resin layer; And
The mould that utilization has embossed pattern impresses described synthetic resin layer, thereby described vibration improving layer has embossed pattern.
14, method according to claim 12, wherein, described formation vibration improving layer comprises:
On described main film, coat synthetic resin layer; And
Partly remove described synthetic resin layer, thereby make described vibration improving layer have a plurality of depressions.
15, method according to claim 12, wherein, described formation vibration improving layer comprises:
On described main film, coat synthetic resin layer; And
In described synthetic resin layer, form a plurality of bubbles.
16, method according to claim 12, wherein, described formation vibration improving layer is included in elastic adhesive layer and a plurality of spacers that are in the elastic adhesive layer is set on the described main film.
17, method according to claim 12, wherein, described formation conductive component is included in the end portion of described vibration improving layer and injects conductive material.
18, method according to claim 12, wherein, described formation vibration improving layer comprises the employing transparent material.
19, method according to claim 12, wherein, each of first and second electrodes of described loudspeaker film comprises transparent conductive material.
20, a kind of display device comprises:
Display board, the on-off element that has source electrode line, gate line and be electrically connected with described source electrode and gate line;
The source drive parts are used for first data-signal is converted to second data-signal of analog type, and described second data-signal is provided to source electrode line;
The gate driving parts are used for signal is provided to gate line;
The voice signal output block is used to receive first voice signal, and produces second sound signal according to described first voice signal; And
Polarizing elements is positioned on the described display board, and described polarizing elements is used for the light component of transmission and the parallel vibration in polarization direction, and is used for producing sound according to described second sound signal.
21, display device according to claim 20, wherein said polarizing elements comprises:
Polarizing coating comprises the polarization layer with described polarization direction and transmission and light component of the parallel vibration in described polarization direction;
Loudspeaker film is positioned on the polarizing coating, and described loudspeaker film changes described second sound signal into mechanical vibration, to produce sound;
The vibration improving layer is inserted between described polarizing coating and the described loudspeaker film, and described vibration improving layer has been improved described mechanical vibration; And
The circuit member is electrically connected with described loudspeaker film, and described circuit member transmits described second sound signal.
22, display device according to claim 21, wherein said voice signal output block comprises:
Input block is used to receive described first voice signal; And
Converting member is used for described first voice signal is converted to the described second sound signal with varying level, described second sound signal is provided to described circuit member.
23, display device according to claim 20, wherein said polarizing elements also comprise the phase difference layer of the phase place that is used to change light.
24, a kind of display device comprises:
Display module comprises
Backlight assembly is used to produce light;
Board component is used to utilize light to come display image; And
Storage container is used to hold described backlight assembly and board component;
Loudspeaker film is positioned on the described display module, and described loudspeaker film is used to produce sound; And
The vibration improving layer is inserted between described display module and the described loudspeaker film.
25, display device according to claim 24, wherein said vibration improving layer comprises air layer.
26, display device according to claim 25, wherein said vibration improving layer comprises:
Bossing is used to support described display module and described loudspeaker film; And
Sunk part is used to form air layer.
27, display device according to claim 24, wherein said vibration improving layer comprises:
A plurality of spacers are used to support described display module and described loudspeaker film; And
The elastic adhesive layer is used to support described spacer.
28, display device according to claim 24, wherein said loudspeaker film is positioned on the base plate of described storage container.
29, display device according to claim 24, wherein said loudspeaker film is positioned on the sidewall of described storage container.
30, display device according to claim 24, wherein said loudspeaker film comprises:
First and second electrodes are used to receive electric signal; And
Piezoelectric layer is arranged between described first and second electrodes.
31, a kind of display device comprises:
Display module, described display module comprises
Backlight assembly is used to produce light;
Board component is used to utilize light to come display image; And
Storage container is used to hold described backlight assembly and board component; And
Loudspeaker film is positioned on the surface of described display module, described loudspeaker film involving vibrations improving layer, and described vibration improving layer is towards the surface of described display module.
CNA2006101058170A 2005-07-19 2006-07-12 Polarizing film assembly, method of manufacturing the same and display device having the same Pending CN1900748A (en)

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