KR102520448B1 - Sound and image display devices and methods of driving the same - Google Patents

Abstract

An audio and image display device includes a substrate including a switching element and a pixel electrode electrically connected to the switching element and having a curved shape, a curved display module including a display layer disposed on the pixel electrode, and a side surface of the curved display module. and a vibration module that is placed in contact with the curved display module and generates vibration to generate sound. The curved display module is provided as the curved diaphragm of the vibration module, so that images and sound can be transmitted simultaneously. Since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

Description

Sound and image display device and its driving method {SOUND AND IMAGE DISPLAY DEVICES AND METHODS OF DRIVING THE SAME}

The present invention relates to an audio and video display device. More specifically, it relates to a sound and image transparent display device having a curved shape and a driving method thereof.

An audio and video display system displays an image on an image display device and transmits sound through an additional audio device such as a speaker. Accordingly, since a location where an image is displayed and a location where sound is transmitted are different from each other, a user's immersion in a medium such as a movie is lowered.

Accordingly, research on a device that simultaneously transmits images and sounds is being continued. In particular, in a sound and video display device in which an image display module and a sound module are combined, since the sound module is disposed adjacent to a position where the image of the image display module is displayed, the display quality of the image display module is degraded, and the image There is a problem of lowering space utilization of the display module.

An object of the present invention is to provide an audio and video display device with improved display quality and space utilization.

Another object of the present invention is to provide a method for driving the sound and image display device.

The problem to be solved by the present invention is not limited to the above-mentioned problems, and can be expanded in various ways without departing from the spirit and scope of the present invention.

In order to achieve the above object of the present invention, a sound and image display device according to exemplary embodiments of the present invention includes a switching element and a pixel electrode electrically connected to the switching element and having a curved substrate, and a display layer disposed on the pixel electrode and disposed in contact with a curved display module on one side of which an image is displayed by the display layer, and a side surface connected to the one surface of the curved display module, and is disposed on the curved display module. and a vibration module generating vibrations to generate sound.

In example embodiments, the vibration module may include an exciter.

In example embodiments, the exciter may have a cylindrical or elliptical shape.

In example embodiments, the exciter may have a polygonal column shape.

In example embodiments, the exciter may have a rectangular pillar shape extending along the side surface.

In example embodiments, the vibration module may contact the side surface of the curved display module through an adhesive layer interposed between the vibration module and the curved display module.

In example embodiments, the vibration module may contact the side surface of the curved display module through a coupling member applying pressure to both surfaces of the curved display module adjacent to the side surface of the curved display module.

In example embodiments, the vibration module includes a first exciter disposed on a first side of the curved display module and a second exciter disposed on a second side opposite to the first side of the curved display module. can include

In example embodiments, the vibration module includes a plurality of first exciters disposed along the first side surface of the curved display module and a plurality of second exciters disposed along the second side surface of the curved display module. Exciters may be included.

In example embodiments, the curved display module may include a pixel area and a transmission area, and the curved display module may include a curved transparent display panel.

In example embodiments, the substrate may include a pixel circuit corresponding to the pixel region and disposed on a transparent substrate, an insulating structure disposed on the transparent substrate and covering the pixel circuit, and a pixel circuit corresponding to the pixel region and disposed on the transparent substrate. A first electrode selectively disposed on a transparent substrate and electrically connected to the pixel circuit by at least partially penetrating the insulating structure may be included. The display layer may be disposed on the first electrode, and the curved display module may further include a counter substrate facing the substrate with the display layer interposed therebetween and including a second electrode disposed on the display layer. .

In example embodiments, the display layer may include an organic emission layer, and the first electrode and the second electrode may serve as an anode and a cathode, respectively.

In example embodiments, the pixel circuit may include an active pattern, a gate electrode, a source electrode, and a drain electrode stacked on the transparent substrate. The insulating structure may include a gate insulating layer covering the active pattern on the transparent substrate, an interlayer insulating layer formed on the gate insulating layer and covering the gate electrode, and disposed on the interlayer insulating layer and covering the source electrode and the drain electrode. It may include a via insulating film to. The source electrode and the drain electrode may pass through the interlayer insulating layer and the gate insulating layer to contact the active pattern. The first electrode may be disposed on the via insulating layer and may pass through the via insulating layer to contact the drain electrode.

In order to achieve the above object of the present invention, a method for driving a sound and image display device according to exemplary embodiments of the present invention includes a switching element and a pixel electrode electrically connected to the switching element, and has a curved surface shape. A curved display module including a substrate and a display layer disposed on the pixel electrode and displaying an image by the display layer on one surface, and disposed in contact with a side surface connected to the one surface of the curved display module to display the curved surface. Provided is a sound and image display device including a vibration module for generating vibration for generating sound in the module. The intensity of vibration generated by the vibration module is adjusted in response to the image displayed on the curved display module.

In example embodiments, the vibration module may include an exciter. Adjusting the intensity of vibration generated by the vibration module may be adjusting the intensity of vibration of the exciter.

In example embodiments, the vibration module may contact the side surface of the curved display module through an adhesive layer interposed between the vibration module and the curved display module.

In example embodiments, the vibration module may contact the side surface of the curved display module through a coupling member applying pressure to both surfaces of the curved display module adjacent to the side surface of the curved display module.

In example embodiments, the vibration module includes a first exciter disposed on a first side of the curved display module and a second exciter disposed on a second side opposite to the first side of the curved display module. can include Adjusting the intensity of vibration generated by the vibration module may adjust the intensity of vibration of the first and second exciters, respectively, corresponding to the position of the image displayed on the curved display module.

In example embodiments, the vibration module includes a plurality of first exciters disposed along the first side surface of the curved display module and a plurality of second exciters disposed along the second side surface of the curved display module. Exciters may be included. Adjusting the intensity of vibration generated by the vibration module is to adjust the intensity of vibration of the first exciters in correspondence with the position of the image displayed on the curved display module, and to adjust the intensity of vibration of the second exciters. Each can be adjusted.

In example embodiments, the curved display module may include a pixel area and a transmission area, and the curved display module may include a curved transparent display panel.

As described above, according to exemplary embodiments of the present invention, the curved display module is provided as the curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

In addition, since the vibration module is disposed on the side of the curved display module, space utilization of the curved display module can be improved. In particular, even when the curved display module includes a curved transparent display panel, the vibration module does not degrade the transparency of the curved transparent display panel.

1 is a perspective view illustrating a sound and image display device according to example embodiments.
FIG. 2 is an enlarged view in which the display area of FIG. 1 is enlarged.
FIG. 3 is a cross-sectional view taken along line II-II' of FIG. 2 .
4 is a cross-sectional view taken along line II′ of FIG. 1 .
FIG. 5 is a plan view illustrating the sound and image display device of FIG. 1 .
6 is a perspective view illustrating a sound and image display device according to example embodiments.
FIG. 7 is a side view illustrating the sound and image display device of FIG. 6 .
8 is a perspective view illustrating a sound and image display device according to example embodiments.
9 is a perspective view illustrating a sound and image display device according to example embodiments.
10 is a perspective view illustrating a sound and image display device according to example embodiments.
FIG. 11 is a side view illustrating the sound and image display device of FIG. 12 .
12 is a flowchart illustrating a method of driving a sound and image display device according to example embodiments.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings. At this time, the same reference numerals are used for the same components in the drawings, and redundant descriptions of the same components will be omitted.

1 is a perspective view illustrating a sound and image display device according to example embodiments. FIG. 2 is an enlarged view in which the display area of FIG. 1 is enlarged. FIG. 3 is a cross-sectional view taken along line II-II' of FIG. 2 . FIG. 4 is a cross-sectional view taken along line II′ of FIG. 1 . FIG. 5 is a plan view illustrating the sound and image display device of FIG. 1 .

1 to 5 , the sound and image display device includes a curved display module 10 and a vibration module disposed in contact with side surfaces 14 and 16 of the curved display module 10 .

The curved display module 10 may include a substrate including a switching element and a pixel electrode electrically connected to the switching element and having a curved shape, and a display layer disposed on the pixel electrode. An image may be displayed on one surface 12 of the curved display module 10 by the display layer.

In example embodiments, the curved display module 10 may include a curved transparent display module. The curved transparent display device may include a plurality of display areas (DA). The display areas DA may be arranged along the first direction D1 and the second direction D2 perpendicularly crossing each other.

Each display area DA may include a pixel area (PA) and a transmission area (TA). In the pixel area PA, a plurality of pixels may be adjacently disposed along, for example, the first direction D1 . For example, each pixel area PA may include a red pixel Pr, a green pixel Pg, and a blue pixel Pb.

In FIGS. 1 and 2 , the pixels Pr, Pg, and Pb are illustrated as having substantially the same area, but in order to improve luminous efficiency, the red pixel Pr, the green pixel Pg, and the blue pixel Pb are They may have different areas.

The transmission area TA may extend while being adjacent to the red pixel Pr, the green pixel Pg, and the blue pixel Pb in each display area DA. In some embodiments, the transmission area TA may be independently provided after being patterned for each pixel of the pixel area PA.

In some embodiments, the transmission area TA extends in the first direction D1 and may be provided in common with pixel areas PA belonging to different display areas DA. .

According to example embodiments, a pixel circuit for realizing an image may be disposed on the pixel area PA. External light is transmitted through the transmission area TA so that an external image can be observed.

A transistor such as a thin film transistor (TFT) is disposed in each pixel of the pixel area PA, and the transistor may be electrically connected to the data line D and the scan line S. For example, the switching element may include the transistor.

As shown in FIG. 2 , the data line D and the scan line S are disposed to cross each other, and each pixel may be defined for each intersection area of the data line D and the scan line S. Also, the pixel circuit may be defined by a data line D, a scan line S, and the transistor.

Although not shown in FIG. 1 , the pixel circuit may further include, for example, a power line Vdd disposed parallel to the data line D. Also, a capacitor electrically connected to the power line Vdd and the transistor may be disposed in each pixel.

In FIG. 2, only one transistor is shown for each pixel, but at least two or more transistors may be disposed for each pixel. For example, a switching transistor and a driving transistor may be disposed in each pixel. The capacitor may be electrically connected between the switching transistor and the driving transistor.

Referring to FIG. 3 , the transistor may be disposed on a portion of a barrier layer 110 formed on the pixel area PA of the transparent substrate 100 . The transistor may include an active pattern 120 , a gate insulating layer 130 , a gate electrode 135 , a source electrode 150 and a drain electrode 155 . A via insulating film 160 covering the transistor is formed, and a first electrode 170 electrically connected to, for example, the drain electrode 155 of the transistor may be disposed on the via insulating film 160 .

An insulating substrate can be used as the transparent substrate 100 . For example, the transparent substrate 100 may include glass or a polymer material having transparency and a predetermined flexibility. When the transparent substrate 100 includes the polymer material, the transparent display device may be provided as a transparent flexible display device. For example, the transparent substrate 100 may include a polymer material such as polyimide, polysiloxane, epoxy resin, acrylic resin, or polyester. In one embodiment, the transparent substrate 100 may include polyimide.

As described above, the transparent substrate 100 may be divided into a pixel area PA and a transmission area TA.

The barrier film 110 may be formed on the upper surface of the transparent substrate 100 . In some embodiments, the barrier layer 110 may be commonly provided on the pixel area PA and the transmission area TA of the transparent substrate 100 . Moisture penetrating through the substrate 100 may be blocked by the barrier film 110 , and impurity diffusion between the transparent substrate 100 and a structure formed on the transparent substrate 100 may be blocked.

For example, the barrier layer 110 may include silicon oxide, silicon nitride, or silicon oxynitride. These may be used alone or in combination of two or more. In some embodiments, the barrier layer 110 may have a stacked structure including a silicon oxide layer and a silicon nitride layer.

The active pattern 120 may be disposed on a portion of the barrier layer 110 in the pixel area PA.

The active pattern 120 may include a silicon compound such as polysilicon. In some embodiments, a source region and a drain region including p-type or n-type impurities may be formed at both ends of the active pattern 120 .

In some embodiments, the active pattern 120 may be indium gallium zinc oxide (IGZO), zinc tin oxide (ZTO), or indium tin zinc oxide (IGZO). Zinc Oxide: It may also include an oxide semiconductor such as ITZO).

The gate insulating layer 130 may be formed on the barrier layer 110 to cover the active pattern 120 . In example embodiments, the gate insulating layer 130 may include silicon oxide, silicon nitride, or silicon oxynitride. In some embodiments, the gate insulating layer 130 may have a stacked structure including a silicon oxide layer and a silicon nitride layer.

As shown in FIG. 3 , the gate insulating layer 130 may commonly extend on the pixel area PA and the transmission area TA, similarly to the barrier layer 110 . In some embodiments, the gate insulating layer 130 may be substantially patterned to be selectively disposed on the pixel area PA.

A gate electrode 135 may be disposed on the gate insulating layer 130 . The gate electrode 135 may substantially overlap the active pattern 120 with the gate insulating layer 130 interposed therebetween.

The gate electrode 135 may be electrically connected to the scan line (S). For example, as shown in FIG. 2 , the gate electrode 135 may branch from the scan line S.

The gate electrode 135 is made of silver (Ag), magnesium (Mg), aluminum (Al), tungsten (W), copper (Cu), nickel (Ni), chromium (Cr), molybdenum (Mo), or titanium (Ti). , metal materials such as platinum (Pt), tantalum (Ta), neodymium (Nd), scandium (Sc), alloys of the metals, or nitrides of the metals. These may be used alone or in combination of two or more. The gate electrode 135 may have a structure in which two or more metal layers having different physical and chemical properties are stacked. For example, the gate electrode 135 may have a multilayer structure such as an Al/Mo structure or a Ti/Cu structure for low resistance.

The interlayer insulating layer 140 may be formed on the gate insulating layer 130 to cover the gate electrode 135 . The interlayer insulating layer 140 may include silicon oxide, silicon nitride, and/or silicon oxynitride. The interlayer insulating layer 140 may have a stacked structure including a silicon oxide layer and a silicon nitride layer.

As shown in FIG. 3 , the interlayer insulating layer 140 may commonly extend on the pixel area PA and the transmission area TA, similarly to the barrier layer 110 . In some embodiments, the interlayer insulating layer 130 may be substantially patterned to be selectively disposed on the pixel area PA.

The source electrode 150 and the drain electrode 155 may pass through the interlayer insulating layer 140 and the gate insulating layer 130 and contact the active pattern 120 . The source electrode 150 and the drain electrode 155 may be made of a metal material such as Ag, Mg, Al, W, Cu, Ni, Cr, Mo, Ti, Pt, Ta, Nd, Sc, or the like, an alloy of the above metals, or any of the above metals. Nitride may be included. These may be used alone or in combination of two or more. For example, the source electrode 150 and the drain electrode 155 may have a structure in which two or more different metal layers such as an Al layer and a Mo layer are stacked.

The source electrode 150 and the drain electrode 155 may respectively contact the source region and the drain region of the active pattern 120 . A portion of the active pattern 120 between the source region and the drain region may serve as a channel through which charges move.

As shown in FIG. 2 , the source electrode 150 may be electrically connected to the data line D. For example, the source electrode 150 may branch off from the data line D.

The transistor may be defined by the above-described active pattern 120 , gate insulating layer 130 , gate electrode 135 , source electrode 150 , and drain electrode 155 .

Although FIG. 3 shows a thin film transistor having a top gate structure in which the gate electrode 135 is disposed above the active pattern 120, the transistor has a gate electrode 135 disposed below the active pattern 120. It may also have a bottom gate structure.

The via insulating layer 160 may be formed on the interlayer insulating layer 140 to cover the source electrode 150 and the drain electrode 155 . The via insulation layer 160 may accommodate a via structure electrically connecting the first electrode 170 and the drain electrode 155 . In addition, the via insulating layer 160 may be provided as a planarization layer of the curved transparent display module.

The via insulating layer 160 may include an organic material such as polyimide, epoxy resin, acrylic resin, or polyester. According to example embodiments, the via insulation layer 160 may be provided in common to the pixel area PA and the transmission area TA.

The first electrode 170 may include the via structure disposed on the via insulating layer 160 and passing through the via insulating layer 160 and contacting or electrically connected to the drain electrode 155 . According to example embodiments, the first electrode 170 may be independently disposed for each pixel. The first electrode 170 may serve as a pixel electrode or an anode of the transparent display device.

In one embodiment, the first electrode 170 may include a transparent conductive material having a high work function. For example, the first electrode 170 may include indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide, or indium oxide. In this case, transmittance of the transparent display device may be further improved.

In one embodiment, the first electrode 170 may be provided as a reflective electrode. In this case, the first electrode 170 may include a metal material such as Ag, Mg, Al, W, Cu, Ni, Cr, Mo, Ti, Pt, Ta, Nd, or Sc or an alloy of these metals.

In one embodiment, the first electrode 170 may have a multilayer structure including the transparent conductive material and the metal.

A back-plane (BP) structure of the transparent display device may be defined by the pixel circuit, the insulating layers, and the first electrode 170 formed on the transparent substrate 100 .

The substrate may include the pixel circuit, insulating films, and the first electrode 170 . Also, the substrate may have a curved shape.

The back-plane structure may further include a pixel defining layer 180 . The pixel defining layer 180 may be formed on the via insulating layer 160 to cover a peripheral portion of the first electrode 170 . The pixel defining layer 180 may include a transparent organic material such as polyimide resin or acrylic resin.

Each of the pixels included in the pixel area PA may be exposed by the pixel defining layer 180 . An area of the first electrode 170 not covered by the pixel defining layer 180 may substantially correspond to an area of an emission region of each pixel.

According to example embodiments, the pixel defining layer 180 may extend over the transmission area TA.

The display layer 200 may be disposed on the pixel defining layer 180 and the first electrode 170 . For example, the display layer 200 may be disposed on a sidewall of the pixel defining layer 180 and an upper surface of the first electrode 170 exposed by the pixel defining layer 180 .

The display layer 200 may include an organic emission layer independently patterned for each red pixel Pr, green pixel Pg, and blue pixel Pb to generate different color lights for each pixel. The organic emission layer may include a host material that is excited by holes and electrons, and a dopant material that increases luminous efficiency through energy absorption and emission.

In some embodiments, the display layer 200 may further include a hole transport layer (HTL) disposed between the first electrode 170 and the organic emission layer. In addition, the display layer 200 may further include an electron transport layer (ETL) disposed on the organic light emitting layer.

The hole transport layer is, for example, 4,4'-bis[N-(1-naphthyl)-N-phenylamino]biphenyl (NPB), 4,4'-bis[N-(3-methylphenyl)- N-phenylamino]biphenyl (TPD), N,N-di-1-naphthyl-N,N-diphenyl-1,1-biphenyl-4,4-diamine (NPD), N-phenylcarbazole , hole transport materials such as polyvinylcarbazole and the like.

The electron transport layer is, for example, tris(8-quinolinolato) aluminum (Alq3), 2-(4-biphenylyl)-5-(4-tert-butylphenyl-1,3,4-oxydia sol (PBD), bis(2-methyl-8-quinolinolato)-4-phenylphenolato-aluminum (BAlq), bassocuproin (BCP), triazole (TAZ), phenylquinozaline It may include an electron transport material such as the like.

In some embodiments, at least one of the organic emission layer, the hole transport layer, and the electron transport layer may be provided in common to a plurality of pixels without being patterned per pixel. In one embodiment, the organic light emitting layer is provided in common to the plurality of pixels, and a color for each pixel can be implemented through a color filter. In this case, the transparent display device may be provided as a white-OLED (W-OLED).

In some embodiments, the display layer 200 may include a liquid crystal layer instead of the organic emission layer described above. In this case, the transparent display device may be provided as a liquid crystal display (LCD).

The second electrode 210 may be disposed on the pixel defining layer 180 and the display layer 200 . The second electrode 210 may be disposed to face the first electrode 170 with the display layer 200 interposed therebetween.

According to example embodiments, the second electrode 210 may be provided as a common electrode extending commonly over the plurality of pixels. In addition, the second electrode 210 may serve as a cathode of the transparent display device.

According to example embodiments, the second electrode 210 may include a metal material having a low work function such as Ag, Mg, Al, W, Cu, Ni, Cr, Mo, Ti, Pt, Ta, Nd, Sc, or the like. May contain alloys of metals. In some exemplary embodiments, the second electrode 210 may include Ag, Mg, or an alloy thereof (eg, Ag _x Mg _1-x ).

The second electrode 210 may continuously extend over the pixel area PA and the transmission area TA. The thickness of the second electrode 210 may be determined considering light emitting efficiency in the pixel area PA and securing a predetermined transmittance in the transmission area TA.

In some embodiments, the second electrode 210 may be substantially removed on the transmission area TA.

A capping layer 220 may be formed on the second electrode 210 . According to example embodiments, the capping layer 220 substantially covers the entire surface of the second electrode 210 and may be commonly provided on the pixel area PA and the transmission area TA.

The capping layer 220 may include an organic material having good transmittance. In some embodiments, the capping layer 220 may include a material substantially the same as or similar to the aforementioned hole transport material. Accordingly, light emitting characteristics in the pixel area PA may not be disturbed by the second electrode 210 serving as an anode.

In some exemplary embodiments, as shown in FIG. 3 , an encapsulation substrate 250 is disposed on the capping film 220, and the capping film 220 and the encapsulation substrate 250 ) A filling layer 240 may be further included between.

As the encapsulation substrate 250, for example, a substrate made of glass or polymer may be used. The filling layer 240 may include, for example, an organic material that is substantially transparent or transmissive.

In some embodiments, an organic/inorganic composite layer may be used as a sealing film instead of the encapsulation substrate 250 and the filling layer 240 . In some embodiments, thin film encapsulation (TFE) may be used as the sealing film.

The curved display module 10 may include a counter substrate facing the substrate with the display layer 200 interposed therebetween and including the second electrode 210 disposed on the display layer 200 . For example, the opposing substrate may include a second electrode 210 , a capping layer 220 and an encapsulation substrate 250 .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a cylindrical shape. Alternatively, the vortex exciter may have an elliptical shape.

In addition, the vibration module may contact the side surfaces 14 and 16 of the curved display module 10 through an adhesive layer (not shown) interposed between the vibration module and the curved display module 10 .

In exemplary embodiments, the exciter is in contact with the curved display module 10 and includes a frame 300 provided with an installation space 302 therein, and a magnet 310 disposed in the installation space 302 to generate magnetic flux. ), and provided adjacent to the magnet 310 and includes a coil 320.

The frame 300 contacts the curved display module 10, and the magnet 310 and the coil 320 may be disposed in the installation space 302 of the frame 300. In addition, the magnet 310 and the coil 320 can be protected from external impact.

The exciter may further include a yoke 330 disposed in the installation space 302 and covering the magnet 310 . The yoke 330 may include ferrous metal to induce the magnetic flux generated from the magnet 310 . Alternatively, the yoke 330 may include plastic.

The magnet 310 is covered by the yoke 330, and when a current is applied to the coil 320, a magnetic field can be formed in the frame 300 so that a force is applied to the coil 320 according to Fleming's left hand rule.

The exciter may further include a plate 340 magnetized by a magnet 310 and covered by a yoke 330 . The plate 340 is magnetized by the magnet 310, and magnetic flux generated by the magnet 310 can be guided in a desired direction to minimize magnetic flux loss. For example, plate 340 may include low carbon steel.

The coil 320 is provided adjacent to the magnet 310 and is wound around the bobbin 350 to vibrate according to Fleming's left hand rule when current is applied to the coil.

One end of the bobbin 350 is fixed to the frame 300 and may have a hollow cylindrical shape. A coil 320 may be wound on an outer surface of the bobbin 350, and a portion of the plate 340 and the magnet 310 may be inserted into the bobbin 350. The magnet 310 is spaced apart from the bobbin 350, and the portion of the magnet 310 may be inserted into the bobbin 350. A portion of the bobbin 350 may be covered by the yoke 330 .

In addition, the magnet 310 may be supported in contact with the plate 340 and the yoke 330 .

The exciter may further include a suspension 360 coupled to the yoke 330 and the frame 300 to support the magnet 310 , the yoke 330 , and the plate 340 .

For example, an edge region of the suspension 360 may be coupled to the frame 300 and a central region of the suspension 350 may be coupled to the yoke 330 .

A wire (not shown) is electrically connected to the coil 320 to apply a current to the coil 320, and the coil 320 is Fleming's magnetic field formed by the current and the magnet 310. Vibration by the left hand rule may occur.

The vibration is transmitted to the suspension 360 through the yoke 330 contacting the magnet 310, and the vibration is transmitted to the curved display panel 10 through the frame 300 connected to the suspension 360.

The vibration module includes a first exciter 20 disposed on a first side surface 14 of the curved display module 10 and a second side surface 16 opposite to the first side surface 14 of the curved display module 10. It may include a second exciter 30 disposed on.

As shown in FIG. 5 , the first vibration S1 generated by the first exciter 20 is transmitted to the curved display panel 10 . For example, the first vibration S1 may vibrate in a first direction D1 and a direction substantially parallel to a direction opposite to the first direction D1.

Since the curved display module 10 has a curved shape, the first vibration S1 may be converted into the second vibration S2 while being transmitted along the first direction D1. For example, the second vibration S2 may vibrate in a direction forming an acute angle with the first and second directions D1 and D2.

The second vibration S2 is transmitted along the first direction D1 and reaches the central region of the curved display module 10 in a third direction D3 and a third direction substantially perpendicular to the first direction D1. (D3) is converted into a third vibration (S3) that vibrates in the opposite direction.

Accordingly, sound may be emitted by the second vibration S2 and the third vibration S3 generated in the curved display module 10 . Specifically, since the curved display module 10 is provided as a diaphragm of the first and second exciters 20 and 30 , sound can be emitted from the curved display module 10 .

According to exemplary embodiments, the curved display module 10 is provided as a curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

In addition, since the vibration module is disposed on the side surfaces 14 and 16 of the curved display module 10, space utilization of the curved display module 10 can be improved. In particular, even when the curved display module 10 includes a curved transparent display panel, the vibration module does not degrade the transparency of the curved transparent display panel.

6 is a perspective view illustrating a sound and image display device according to example embodiments. FIG. 7 is a side view illustrating the sound and image display device of FIG. 6 . The sound and image display devices shown in FIGS. 6 and 7 have substantially the same or similar configuration and/or structure to the sound and image display devices shown in FIGS. 1 to 5 except that a plurality of exciters are provided. can Accordingly, detailed descriptions of overlapping components and/or structures are omitted, and the same or similar reference numerals are used for the same or similar components.

Referring to FIGS. 6 and 7 , the sound and image display device includes a curved display module 10 and a vibration module disposed in contact with side surfaces 14 and 16 of the curved display module 10 .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a cylindrical shape. Alternatively, the exciter may have an elliptical shape.

The vibration module includes a plurality of first exciters 22 , 24 , 26 , and 28 disposed along the first side surface 14 of the curved display module 10 and the first side surface 14 of the curved display module 10 . ) may include a plurality of second exciters 32, 34, 36, and 38 disposed along the second side surface 16 opposite to ).

As shown in FIG. 7 , when an image is displayed in area A of the curved display module 10, first exciters 22, 24, 26, and 28 and second exciters are used to transmit sound in area A. The groups 32 , 34 , 36 , and 38 may transmit vibrations to the curved display module 10 .

For example, the first exciter 22 and the second exciter 32 transmit vibration having a first intensity to the curved display module 10 so that sound is emitted from the area A of the curved display module 10 . can

The remaining first exciters 24 , 26 , and 28 and the remaining second exciters 34 , 36 , and 38 may transmit vibration having a second intensity less than the first intensity to the curved display module 10 . there is.

In addition, when an image is displayed in region B of the curved display module 10, the second exciter 38 may transmit vibration having a third intensity to the curved display module 10 so that sound is transmitted in the region B. there is. In addition, the first exciters 22, 24, 26, and 28 and the remaining second exciters 32, 34, and 36 generate vibration having a fourth intensity less than the third intensity to the curved display module 10. can be forwarded to

8 is a perspective view illustrating a sound and image display device according to example embodiments. The sound and image display device shown in FIG. 8 may have a configuration and/or structure substantially the same as or similar to the sound and image display devices shown in FIGS. 1 to 5 except for the shape of the exciter. Accordingly, detailed descriptions of overlapping components and/or structures are omitted, and the same or similar reference numerals are used for the same or similar components.

Referring to FIG. 8 , the sound and image display device includes a curved display module 10 and a vibration module disposed in contact with side surfaces 14 and 16 of the curved display module 10 .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a prism shape.

The vibration module includes a first exciter 40 disposed on a first side surface 14 of the curved display module 10 and a second side surface 16 opposite to the first side surface 14 of the curved display module 10. It may include a second exciter 42 disposed on.

For example, the first exciter 40 may have a quadrangular pillar shape extending along the first side surface 14 . Also, the second exciter 42 may have a quadrangular pillar shape extending along the second side surface 16 .

According to exemplary embodiments, the curved display module 10 is provided as a curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

In addition, since the vibration module is disposed on the side surfaces 14 and 16 of the curved display module 10, space utilization of the curved display module 10 can be improved. In particular, even when the curved display module 10 includes a curved transparent display panel, the vibration module does not degrade the transparency of the curved transparent display panel.

In particular, since the first and second exciters 40 and 42 have a rectangular pillar shape extending along the first and second side surfaces 14 and 16, respectively, the sound and image display device becomes compact and slim. And space utilization of the sound and image display device can be improved.

9 is a perspective view illustrating a sound and image display device according to example embodiments. The sound and image display device shown in FIG. 9 has substantially the same or similar structure and/or can have a structure. Accordingly, detailed descriptions of overlapping components and/or structures are omitted, and the same or similar reference numerals are used for the same or similar components.

Referring to FIG. 9 , the sound and image display device includes a curved display module 10 and a vibration module disposed in contact with side surfaces 14 and 16 of the curved display module 10 .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a cylindrical or elliptical column shape.

The vibration module includes a first exciter 50 disposed on a first side surface 14 of the curved display module 10 and a second side surface 16 opposite to the first side surface 14 of the curved display module 10. It may include a second exciter 52 disposed on.

The first exciter 50 displays the curved surface through the first coupling member 360 interposed between the first exciter 50 and the curved display module 10 and applying pressure to both sides of the curved display module 10. It can contact the first side 14 of the module 10 .

The second exciter 52 displays the curved surface through a second coupling member 362 interposed between the second exciter 52 and the curved display module 10 and applying pressure to both sides of the curved display module 10. The second side 16 of the module 10 can be contacted.

For example, the first and second coupling members 360 and 362 may include clips provided with coupling force by an elastic force.

According to exemplary embodiments, the curved display module 10 is provided as a curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

In addition, since the vibration module is disposed on the side surfaces 14 and 16 of the curved display module 10, space utilization of the curved display module 10 can be improved. In particular, even when the curved display module 10 includes a curved transparent display panel, the vibration module does not degrade the transparency of the curved transparent display panel.

In particular, since the first and second exciters 50 and 52 may be coupled to the curved display module 10 through the first and second coupling members 360 and 362, respectively, the sound and image display device It can have excellent acoustic quality.

10 is a perspective view illustrating a sound and image display device according to example embodiments. The sound and image display device shown in FIG. 10 may have substantially the same or similar configuration and/or structure to the sound and image display device shown in FIG. 6 except that the exciter is coupled to the curved display module by a frame. there is. Accordingly, detailed descriptions of overlapping components and/or structures are omitted, and the same or similar reference numerals are used for the same or similar components.

Referring to FIG. 10 , the sound and image display device includes a curved display module 10 and a vibration module disposed in contact with side surfaces 14 and 16 of the curved display module 10 .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a cylindrical or elliptical column shape.

The vibration module includes a plurality of first exciters 22, 24, 26, and 28 disposed on the first side surface 14 of the curved display module 10 and the first side surface 14 of the curved display module 10. It may include a plurality of second exciters (32, 34, 36, 38) disposed on the second side surface (16) opposite to the.

The first exciters 22, 24, 26, and 28 are disposed adjacent to the first side surface 14 of the curved display module 10 and extend in the second direction D2. It may be inserted into the first grooves 372 of the surface and contact the first side surface 14 of the curved display module 10 .

The second exciters 32, 34, 36, and 38 are disposed adjacent to the second side surface 16 of the curved display module 10 and extend in the second direction D2. It may be inserted into the first grooves 376 of the first grooves 376 and contact the second side surface 16 of the curved display module 10 .

According to exemplary embodiments, the curved display module 10 is provided as a curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

In addition, since the vibration module is disposed on the side surfaces 14 and 16 of the curved display module 10, space utilization of the curved display module 10 can be improved. In particular, even when the curved display module 10 includes a curved transparent display panel, the vibration module does not degrade the transparency of the curved transparent display panel.

In particular, since the first and second exciters 50 and 52 can be coupled to the curved display module 10 through the first and second frames 370 and 374, respectively, the sound and image display device is excellent. It can have acoustic quality.

12 is a flowchart illustrating a method of driving a sound and image display device according to example embodiments.

6 and 12, a sound and image display device including a curved display module 10 and a vibration module disposed in contact with the side surfaces 14 and 16 of the curved display module 10 is provided (S100) .

The vibration module is disposed in contact with the side surfaces 14 and 16 of the curved display module 10 and can generate vibration for generating sound in the curved display module 10 .

In example embodiments, the vibration module may include an exciter. The exciter may have a cylindrical shape. Alternatively, the exciter may have an elliptical shape.

The vibration module includes a plurality of first exciters 22 , 24 , 26 , and 28 disposed along the first side surface 14 of the curved display module 10 and the first side surface 14 of the curved display module 10 . ) may include a plurality of second exciters 32, 34, 36, and 38 disposed along the second side surface 16 opposite to ).

Referring to FIGS. 6 and 12 , the location information of the image may be obtained by analyzing the image displayed by the curved display module 10 (S120). For example, when the image of the curved display module 10 is displayed in area A, first location information along the first and second directions D1 and D2 of area A may be obtained.

Also, when the image of the curved display module 10 is displayed in area B, second location information along the first and second directions D1 and D2 of area B may be obtained.

Subsequently, the vibration intensities of the first exciters 22, 24, 26, 28 and the second exciters 32, 34, 36, 38 may be determined according to the location information of the obtained image ( S140).

As shown in FIG. 6 , the first exciter 22 and the second exciter 32 may be determined to have a first vibration intensity so that sound is emitted from the area A of the curved display module 10 .

The remaining first exciters 24 , 26 , and 28 and the remaining second exciters 34 , 36 , and 38 may be determined to have a second vibration intensity less than the first vibration intensity.

Alternatively, the second exciter 38 may be determined to have a third vibration intensity so that sound is emitted from the area B of the curved display module 10 . The first exciters 22, 24, 26, and 28 and the remaining second exciters 32, 34, and 36 may be determined to have a fourth vibration intensity less than the third vibration intensity.

Subsequently, the first exciters 22, 24, 26, 28 and the second exciters 32, 34, 36, 38 are vibrated according to the determined vibration intensities, thereby displaying an image displayed on the curved display module 10. Sound may be generated at the position of (S160).

For example, the first exciter 22 and the second exciter 32 vibrate with the first vibration intensity, and the remaining first exciters 24, 26, and 28 and the remaining second exciters ( 34 , 36 , and 38 may vibrate at the second vibration intensity and generate sound in the area A of the curved display module 10 .

In addition, the second exciter 38 vibrates at the third vibration intensity, and the first exciters 22, 24, 26, and 28 and the remaining second exciters 32, 34, and 36 vibrate at the third vibration intensity. By vibrating at a vibration intensity of 4, sound may be generated in the area B of the curved display module 10 .

According to the driving method of the sound and image display device according to exemplary embodiments, the curved display module 10 is provided as a curved diaphragm of the vibration module, so that images and sounds can be transmitted simultaneously. In particular, since sound can be transmitted from a location where an image is displayed, immersion in the reproduced content can be improved.

10: curved display panel 20, 22, 24, 26, 28: first exciter
30, 32, 34, 36, 38: second exciter 100: transparent substrate
110: barrier film 120: active pattern
130: gate insulating film 135: gate electrode
140: interlayer insulating film 142: first contact hole
144: second contact hole 145: interlayer insulating film pattern
150: source electrode 155: drain electrode
160: via insulation film 165: via insulation film pattern
163: via hole 170: first electrode
180: pixel defining layer 200: display layer
210: second electrode 220: capping film
240: filling layer 250: encapsulation substrate

Claims (20)

A curved display module including a substrate including a switching element and a pixel electrode electrically connected to the switching element and having a curved shape, and a display layer disposed on the pixel electrode, wherein an image is displayed by the display layer on one side. ; and
A vibration module disposed in contact with a side surface connected to the one surface of the curved display module and generating vibration for generating sound in the curved display module;
The sound and image display device of The sound and image display device according to claim 1, wherein the vibration module comprises an exciter. The sound and image display device according to claim 2, wherein the exciter has a shape of a cylinder or an elliptical cylinder. The sound and image display device according to claim 2, wherein the exciter has a polygonal column shape. The sound and image display device according to claim 4, wherein the exciter has a shape of a square column extending along the side surface. The sound and image display device of claim 1, wherein the vibration module contacts the side surface of the curved display module through an adhesive layer interposed between the vibration module and the curved display module. The sound of claim 1 , wherein the vibration module contacts the side surface of the curved display module through a coupling member applying pressure to both sides of the curved display module adjacent to the side surface of the curved display module. and video display devices. The method of claim 1 , wherein the vibration module includes a first exciter disposed on a first side of the curved display module and a second exciter disposed on a second side opposite to the first side of the curved display module. Sound and video display device, characterized in that. 9 . The method of claim 8 , wherein the vibration module includes a plurality of first exciters disposed along the first side surface of the curved display module and a plurality of second exciters disposed along the second side surface of the curved display module. Sound and image display device comprising a. The sound and image display device of claim 1 , wherein the curved display module includes a pixel area and a transmission area, and the curved display module includes a curved transparent display panel. 11. The method of claim 10, wherein the substrate,
a pixel circuit corresponding to the pixel area and disposed on a transparent substrate;
an insulating structure disposed on the transparent substrate and covering the pixel circuit; and
a first electrode corresponding to the pixel region, selectively disposed on the transparent substrate, and electrically connected to the pixel circuit by at least partially penetrating the insulating structure;
The display layer is disposed on the first electrode,
The curved display module further comprises a counter substrate facing the substrate with the display layer interposed therebetween and including a second electrode disposed on the display layer. 12. The sound and image display device according to claim 11, wherein the display layer includes an organic light emitting layer, and the first electrode and the second electrode are provided as an anode and a cathode, respectively. The method of claim 11 , wherein the pixel circuit includes an active pattern, a gate electrode, a source electrode, and a drain electrode stacked on the transparent substrate,
The insulating structure,
a gate insulating layer covering the active pattern on the transparent substrate;
an interlayer insulating film formed on the gate insulating film and covering the gate electrode; and
a via insulating film disposed on the interlayer insulating film and covering the source electrode and the drain electrode;
The source electrode and the drain electrode pass through the interlayer insulating film and the gate insulating film and contact the active pattern,
The first electrode is disposed on the via insulating film, and penetrates the via insulating film to contact the drain electrode. A curved display module including a substrate including a switching element and a pixel electrode electrically connected to the switching element and having a curved shape and a display layer disposed on the pixel electrode and displaying an image by the display layer on one side, and providing a sound and image display device including a vibration module disposed in contact with a side surface connected to the one surface of the curved display module and generating vibrations for generating sound in the curved display module; and
Adjusting the intensity of vibration generated by the vibration module in response to the image displayed on the curved display module;
The vibration direction of the vibration generated by the vibration module and the vibration direction of the central region of the curved display module are perpendicular to each other. 15. The method of claim 14, wherein the vibration module includes an exciter,
The method of driving a sound and image display device, characterized in that the step of adjusting the strength of the vibration generated by the vibration module is adjusting the strength of the vibration of the exciter. 15. The method of claim 14, wherein the vibration module contacts the side surface of the curved display module through an adhesive layer interposed between the vibration module and the curved display module. 15. The sound of claim 14, wherein the vibration module contacts the side surface of the curved display module through a coupling member applying pressure to both surfaces of the curved display module adjacent to the side surface of the curved display module. and a method of driving an image display device. 15. The method of claim 14, wherein the vibration module includes a first exciter disposed on a first side of the curved display module and a second exciter disposed on a second side opposite to the first side of the curved display module, ,
The step of adjusting the strength of the vibration generated by the vibration module is to adjust the strength of the vibration of the first and second exciters in correspondence with the position of the image displayed on the curved display module, respectively. How to drive a display device. 19. The method of claim 18, wherein the vibration module includes a plurality of first exciters disposed along the first side surface of the curved display module and a plurality of second exciters disposed along the second side surface of the curved display module. include them,
In the step of adjusting the intensity of vibration generated by the vibration module, the intensity of vibration of the first exciters is adjusted in correspondence with the position of the image displayed on the curved display module, and the intensity of vibration of the second exciters is adjusted. A method of driving a sound and image display device, characterized in that for adjusting each. 15. The method of claim 14, wherein the curved display module includes a pixel area and a transmission area, and the curved display module includes a curved transparent display panel.

Images