Cinema luminous screen and sound system

Abstract

To provide an acoustic system with which it is possible to use a light-emitting display and the acoustic system in combination in a movie theater for the presentation of a movie.SOLUTION: An equivalent or a better immersion condition is achieved in a movie theater that has a forward projection movie screen. The screen has a light-emitting body and is active, and is not the one that is passive and reflects light projected from a projector. A space is formed in a display between adjacent light-emitting elements, and it is so designed that a sound wave from a sound wave radiation body that is located behind the screen propagates through to the movie seat range in front of the screen. In order to improve visual performance, a diffuser or other structures may be located in front of and close to the screen. Furthermore, or instead, a speaker can be positioned in each seat in the audience seat range, generating a sound wave that may be felt as if coming from a position outside of the theater.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present disclosure relates to theatre sound and display systems.

[0002] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of priority to U.S. Provisional Patent Application No. 62 / 404,925, filed October 6, 2016, entitled “Cinema Luminescent Screen and Sound System.” [Background technology]

[0003] A movie screen has a large area and is arranged with a sound system to output sound related to the image content displayed on the screen so that the sound comes from the screen as if it is coming directly from the correct location for the particular location of the image content. In a traditional screen, the sound can come from speakers placed behind the screen, which has a thin sheet of material with holes to allow the sound from the speakers to pass through the screen. Sound can also be provided to the audience from speakers located behind or to the side of the auditorium for the audience. The screen has holes to allow some of the sound to pass through. A sound-absorbing surface behind the screen absorbs the sound that passes through it and prevents unwanted sound reflections. Theatres are carefully constructed to optimize the acoustic environment to integrate with the visual environment, creating an immersive environment for movie-goers to enjoy the sound and images.

[0004] As light-emitting presentation displays grow in popularity, offering greater dynamic range of intensity, increased brightness, the potential for wider fields of view, and decreasing manufacturing costs, these displays are seen by some as the future of theaters.

[0005] There are many differences that affect the setup of a cinema screen as a light-emitting display instead of a screen with images projected on the screen surface. Light-emitting displays are typically one large surface that contains a matrix of light emitters. These large surfaces can be made up of many small panels or tiles placed next to each other so that, cumulatively, they form a wide viewing area. These panels are not transparent to the passing sound waves due to the continuous surface of these panels and the design of the supporting electronics, cooling, and mounting / support structures. When a screen for the forward projection of images is replaced by a light-emitting display, speakers placed behind the screen are no longer effective to transmit sound through the light-emitting display, but are placed around the periphery of the light-emitting screen to output sound to the audience. For small light-emitting displays such as home television type displays, speakers placed around the periphery of the display are acceptable. However, for the larger size screens in cinemas, speakers placed around the periphery, many times larger than the width of the audience's ear spacing, are not an effective solution and the location of the sound is not well related to the movement on the screen. Summary of the Invention

[0006] In one example, a movie screen can be disposed in a theater. The movie screen includes a matrix of light emitters and a liner. The matrix of light emitters forms an emitting area of ​​the movie screen. The light emitters are spaced apart to define a space between adjacent light emitters. The space forms an area that can fit a circular body having a diameter equal to or greater than a depth dimension of the area of ​​openings between the light emitters, allowing sound waves to pass from the back of the movie screen facing the theater seats to the front. A liner is disposed over a portion of the space between adjacent light emitters. The liner is configured to absorb light other than that directed toward the theater seats and to allow sound waves to pass through the liner.

[0007] In some embodiments of the cinema screen, the liner is a black mask.

[0008] In some embodiments of the cinema screen, the cinema screen includes a light diffusing surface that can be positioned between the matrix of light emitters and the seats of the audience of the cinema presentation. The light diffusing surface is configured to diffuse light from the matrix of light emitters. The light diffusing surface has holes configured to allow sound waves to pass from the back of the cinema screen to the front of the cinema screen along with spaces.

[0009] In some embodiments of the cinema screen, the cinema screen includes an optical element between the light emitters and the light diffusing surface.

[0010] In some embodiments of the cinema screen, the optical element is a light guide or a lens.

[0011] In some embodiments of the cinema screen, the holes are disposed between areas of a light diffusing surface configured to provide illumination areas.

[0012] In some embodiments of the cinema screen, the light emitters are disposed between a black material and a light diffusing surface in front of the light emitters.

[0013] In some embodiments of the cinema screen, a light diffusing surface can be positioned with respect to the matrix of light emitters such that at least some of the holes are aligned with at least some of the spaces so that undiffused light is not visible in the theater seats.

[0014] In one example, a light emitting display can be placed in a theater to display a movie presentation. The light emitting display includes a matrix of light emitters and a light diffusing surface. The matrix of light emitters forms a light emitting area of ​​the light emitting display. The light emitters are spaced apart to form spaces between adjacent light emitters. The spaces form areas that can fit into a circular body having a diameter equal to or greater than a depth dimension of the areas of openings between the light emitters. The light diffusing surface can be placed between the matrix of light emitters and audience seats for the movie presentation. The light diffusing surface is configured to diffuse light from the matrix of light emitters. The light diffusing surface has holes configured to allow sound waves to pass from behind the light emitting display to the front of the light emitting display configured to face the seats along with the spaces.

[0015] In some embodiments of the luminescent display, the luminescent display includes a liner disposed over a portion of the space between adjacent luminescent bodies, the liner configured to absorb light other than that directed toward the theater seats and to allow sound waves to pass through the liner.

[0016] In some aspects of the light emitting display, the light emitting display includes a light diffusing surface that can be positioned between the matrix of light emitters and the seats of the audience of the movie presentation. The light diffusing surface is configured to diffuse light from the matrix of light emitters. The light diffusing surface has a space as well as holes configured to allow sound waves to pass from behind the light emitting display to the front of the light emitting display configured to face the seats.

[0017] In some embodiments of the light emitting display, the light emitting display includes an optical element between the light emitter and the light diffusing surface.

[0018] In some embodiments of the emissive display, the holes are disposed between areas of a light diffusing surface configured to provide illumination areas.

[0019] In some embodiments of the emissive display, the light emitters are disposed between a black material and a light diffusing surface in front of the light emitters.

[0020] In some embodiments of a light-emitting display, a light-diffusing surface can be positioned with respect to the matrix of light emitters such that at least some of the holes are aligned with at least some of the spaces to prevent undiffused light from being visible in the theater seats.

[0021] In some embodiments of the emissive display, the light diffusing surface is a sheet material and the holes have a diameter of 0.030 inches or greater.

[0022] In one example, a movie screen includes a light emitting display that can be positioned to emit light toward an audience seating area in a theater, the light emitting display having a surface configured to reflect sound waves in multiple directions relative to the audience seating area.

[0023] In some embodiments of the cinema screen, the light emitting display includes light emitting elements and a light diffusing surface that can be positioned between the light emitting elements and the audience seating area. The light diffusing surface has holes.

[0024] In some embodiments of the cinema screen, the surface is a secondary surface.

[0025] In some embodiments of the cinema screen, the cinema screen includes an optical element between the light emitting elements and the light diffusing surface.

[0026] In one example, the cinema screen system includes a matrix of light emitters and acoustic emitters, the matrix of light emitters having spaces between adjacent light emitters, the matrix of light emitters configured to provide a light emitting display area of ​​the cinema screen, and acoustic emitters positioned in the spaces between the light emitters adjacent the matrix of light emitters or positioned behind the cinema screen such that the cinema screen is between the acoustic emitters and an audience seating area of ​​the theatre.

[0027] In some embodiments of the cinema screen system, the sound wave emitter includes a printed circuit board having a speaker configured to direct sound away from the audience, and the sound wave emitter is positioned further from the cinema seating area than at least one light emitter of the matrix of lights.

[0028] In some embodiments of the cinema screen system, each sound wave emitter has an acoustic cavity for directing sound from the speaker through the light emitting display to the cinema seating area.

[0029] In some embodiments of the cinema screen system, the cinema screen system includes a light diffusing surface that can be positioned between the matrix of light emitters and the seats of the audience of the cinema presentation. The light diffusing surface is configured to diffuse light from the matrix of light emitters. The light diffusing surface has holes in front of the sound wave emitters to allow sound waves to pass through the light diffusing surface to the seats, along with spaces.

[0030] In some embodiments of the cinema screen system, the cinema screen system includes a liner disposed over a portion of the space between adjacent light emitters, the liner configured to absorb light and allow sound waves to pass through the liner.

[0031] In some embodiments of the cinema screen system, the liner is a black mask.

[0032] In one example, a method includes emitting light toward a seating area of ​​a theater with a light emitting display having a matrix of light emitting elements in a front portion thereof, the matrix of light emitting elements defining spaces between adjacent light emitting elements, and emitting sound from a sound source disposed behind the light emitting display through the spaces toward the seating area.

[0033] In one example, a seat may be disposed in a theater having an image presentation display. The seat includes a seat base and a backrest. The backrest is coupled to the seat base at a bottom of the backrest. The backrest includes a top portion opposite the bottom portion. The top portion includes (i) a left speaker disposed at a left area of ​​the top portion and (ii) a right speaker disposed at a right area of ​​the top portion. The left speaker and the right speaker are configured to output an acoustic signal as sound waves such that sound waves from the left speaker and the right speaker at a seated position of the seat have an apparent sound source of the speaker arrangement located outside the seating area for the image presentation display.

[0034] In some versions of the seat, the left and right speakers are configured to output an acoustic signal as sound waves that is modified by the controller.

[0035] In some versions of the seat, the top is a head rest.

[0036] In some embodiments of the seat, the image presenting display is a light emitting display.

[0037] In some aspects of the seat, the light emitting display is configured to prevent sound from emanating from the light emitting display.

[0038] In some embodiments of the seat, the light emitting display has an image range of greater than 60 feet horizontally or 30 feet vertically.

[0039] In one example, the audio system is for a theater having a light-emitting display. The audio system includes a left speaker, a right speaker, and a controller. The left speaker can be located at a left area of ​​a top of a seat back. The back includes a bottom portion opposite the top portion and connecting the back to a seat base. The right speaker can be located at a right area of ​​the top. The controller is communicatively coupled to provide audio signals to the left speaker and the right speaker such that audio signals from the left speaker and the right speaker at a seating position of the seat have an apparent sound source of a speaker arrangement located outside the seating area of ​​the light-emitting display.

[0040] In one example, a controller is for controlling sound waves in a theatre including a light emitting display, the controller including a processor device and a non-transitory memory device including instructions executable by the processor device to cause the controller to modify sound signals and transmit the modified sound signals to left and right speakers located at the top of seat backs in the theatre such that sound waves from the left and right speakers located at seating positions in the seats have an apparent sound source of a speaker arrangement located outside the seating area of ​​the light emitting display.

[0041] In one example, a method includes outputting, by a light emitting display, light representative of a visual presentation to a theater patron. The light has a first level of brightness. The method also includes detecting, by a sensor, a change in ambient light in the theater. The method also includes, in response to detecting the change in ambient light in the theater, causing, by a controller, the light emitting display to output light at a second brightness level based on the ambient light in the theater. The method also includes outputting, by the light emitting display, light representative of a visual presentation to a theater patron. The light has a second level of brightness based on the ambient light in the theater.

[0042] In some aspects of the method, the sensor is mounted within a light-emitting display.

[0043] In one example, a light emitting display includes light emitting elements at a display surface configured to output light representative of a visual presentation to an audience seating area of ​​a theater, and the light emitting display also includes means for absorbing sound waves incident on the display surface.

[0044] In some embodiments of the luminescent display, the means includes a porous absorbing material for absorbing acoustic waves incident on the display surface.

[0045] In some embodiments of the luminescent display, the means includes a resonant absorbing structure for absorbing acoustic waves incident on the display surface.

[0046] In some aspects of the luminescent display, the luminescent display includes an enclosure and a substrate. The enclosure defines at least a portion of a display surface. The substrate is an enclosure. The light emitters are attached to the substrate. The substrate has openings disposed between at least some of the light emitters. The enclosure defines a space therein for absorbing sound waves entering the openings.

[0047] In some embodiments of the light emitting display, the light emitting display includes an acoustic porous material disposed within at least a portion of the space defined by the enclosure.

[0048] In some embodiments of the light emitting display, the enclosure defining the space is tuned to resonate at multiple wavelengths of acoustic waves. [Brief description of the drawings]

[0049] [Figure 1] FIG. 1 is a schematic diagram of a theater environment having a luminescent screen and sound system according to an example of the present disclosure. [Diagram 2] 1 is a schematic diagram of a portion of a light-emitting display including an array or matrix of light-emitting elements according to one example of the present disclosure. [Diagram 3] 1 is a schematic diagram of a light-emitting element having a space or gap therebetween according to one example of the present disclosure. [Figure 4] FIG. 2 is a front view of a panel for a light emitting display having gaps or spaces between light emitters according to one example of the present disclosure. [Diagram 5] FIG. 2 is a front view of a panel for a light-emitting display having a random edge contour according to an example of the present disclosure. [Figure 6] FIG. 2 is a front view of a panel for a light-emitting display having serrated edges according to an example of the present disclosure. [Figure 7] FIG. 2 is a perspective view of a portion of a light-emitting display having a matrix of light emitters and a light diffusing element according to an example of the present disclosure. [Figure 8] FIG. 2 is a side view of a light emitting element for use with a light emitting display having a light reflector according to an example of the present disclosure. [Figure 9] 1 is a schematic diagram of a light emitting display that prevents or substantially prevents sound waves from passing through the display, according to an example of the present disclosure. [Figure 10] FIG. 1 is a perspective view of a seat for a theater including a speaker system according to an example of the present disclosure. [Figure 11] FIG. 2 is a plan view of a seat for a theater including a speaker system according to another example of the present disclosure. [Figure 12] FIG. 1 is a functional block diagram of a system for processing acoustic data for a theater speaker according to an example of the present disclosure. [Figure 13] FIG. 2 is a functional block diagram of a system for processing acoustic data for a theater speaker according to another example of the present disclosure. [Figure 14] FIG. 1 is a schematic diagram of a theater having a light-emitting display and sound system according to an example of the present disclosure. [Figure 15] 1 is a schematic diagram of a light emitter having a sound emitter disposed in a space or gap between the light emitters according to an example of the present disclosure. [Figure 16] FIG. 2 is a schematic diagram of a light emitter having a sound emitter disposed in a space or gap between the light emitters according to another example of the present disclosure. [Figure 17]1 is a schematic diagram of a light emitter having an acoustic emitter disposed in a space or gap between the light emitters according to a further example of the present disclosure. [Figure 18] 1 is a schematic side view of a light-emitting device and a substrate according to an example of the present disclosure. [Figure 19] FIG. 1 is a schematic diagram of a theater having a light-emitting display and sound system according to an example of the present disclosure. [Figure 20] 1 is a side cross-sectional view of a light-emitting display having sound absorbing features according to an example of the present disclosure. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0050] Certain aspects and features relate to emissive displays and sound systems for use in movie theaters for cinema presentations. Various examples are provided for constructing emissive displays for cinema immersive environments that integrate sound systems to achieve the same or better immersive conditions in movie theaters with forward projection movie screens. The screen can be active using illuminants, rather than passively reflecting only light projected from a projector. Certain examples provide emissive systems with sound systems that can overcome problems that otherwise exist with the use of emissive systems for theatrical experiences. The terms "display" and "screen" are used interchangeably throughout this specification.

[0051] In some examples, spaces are formed between adjacent light emitters of the display to allow sound waves to pass from sound wave emitters, such as speakers located behind the screen, to the viewing seating area of ​​the cinema in front of the screen. The speakers can be located in the spaces or behind the screen. Diffusers or other structures can be located in close proximity to the front of the screen to enhance visual performance. Additionally or alternatively, speakers can be located at each seat in the viewing seating area that generate sound waves that feel like they are coming from other than the theater seating locations. These and other examples can improve acoustic performance in theaters that include light emitting displays.

[0052] The cinema environment for emissive displays may differ from most viewing environments experienced by audiences with emissive displays used at home or for advertising displays used indoors and outdoors. Illuminant displays, such as those currently available for home entertainment systems and video walls, have luminous bodies placed close to each other, so that audiences standing close to the display do not notice the individual pixels of the image or the spaces between the image pixels. Illuminant displays for advertising used outdoors or at large daytime venue events have extremely bright image pixels that use a significant amount of energy to power the large display and generate a lot of heat. Such displays used indoors can generate a significant amount of heat that would need to be removed from the limited space of a cinema. It is therefore believed that these displays may not be suitable for cinemas. Furthermore, emissive screens can prevent the passage of sound waves, making application to theater use difficult.

[0053] Certain aspects and features of the present disclosure may address one or more of these or other problems and enable integrating light-emitting display configurations with audio systems in a mutually beneficial manner.

[0054] A cinema screen in a theatre with auditorium and a sound system with multiple speakers are shown in FIG. 1. The screen 50 is a light-emitting screen. One speaker arrangement shown in FIG. 1 has the speakers 15, 17, 19 located behind the screen 10, such that the screen is located between the front speakers and an auditorium area 21 with rows of seats. Additional speakers 23, 25 can be located along the side walls of the theatre and are intended to provide sound to an audience in the auditorium. Speakers 27, 29 can also be located along the wall at the opposite end of the auditorium area 21 where the light-emitting screen 10 is located. The light-emitting screen 10 can be configured differently from a conventional light-emitting display such that when the light-emitting screen 10 is located between the speakers 15, 17, 19 and the viewing position of the screen in the auditorium area 21, sound from the speakers 15, 17, 19 passes through the screen 10 to reach the audience.

[0055] In some examples, the brightness of the light provided by the luminescent screen 10 can be changed in response to changes in the ambient light level of the theater. For example, the audience may wear white or light-colored clothing that may reflect image light from the luminescent screen 10 and increase the ambient light in the room. Or, one or more audience members may use devices that generate light and contribute to the ambient light of the theater, such as cell phones. In other examples, the level of ambient light may decrease during the visual presentation. The sensor 31 may be positioned in the theater to detect changes in the ambient light in the theater. In some embodiments, the sensor 31 is embedded in the luminescent screen 10. For example, the sensor 31 may be positioned to filter light from the luminescent screen 10 or to receive less light, if any, from the luminescent screen 10 and detect the level of ambient light. In response, a controller or other device communicatively coupled to the luminescent screen 10 may cause the luminescent screen 10 to output light for the visual presentation at different levels of brightness to account for the changes in the ambient light in the theater.

[0056] If the average luminance differs between different visual presentations, the sensor 31 can capture the difference and communicate the difference to change the brightness of the display to compensate for increased ambient light. For example, an auditorium audience in summer may wear light-colored clothing, while an empty theater with a small audience may expose dark-colored seats to absorb more light. The displayed content can have a high enough light level to account for the ambient light level so that an audience member with a lightened cell phone display does not disturb adjacent audience members too much. The light sensor 31 may be located in any space within or near the viewing range, but it may be beneficial to place at least one light sensor 31 on the screen 10 or in the screen gap range. The light sensor 31 on the screen 10 may detect the amount of light reflected back to the screen 10. The light sensor can respond to both the intensity of the pixels around it, both from light misdirected from the light source into the gap range, as well as light returning to the screen 10 from the surrounding environment. This combination of information can be used to achieve the highest drive strength for the entire display or a subsection of the display. For example, if certain parts of the screen are "washed out" by light from a door, compensation can be achieved to increase the contrast level of the image.

[0057] FIG. 2 shows a segment of a light-emitting display where an array of tiles according to an example forms a light-emitting display. A light-emitting tile can include a matrix 202 of individual light-emitting elements as light emitters 204, such as LEDs, OLEDs, micro LEDs, or pixel optical fibers, with gaps (also called spaces) between the individual light emitters 204. The gaps can be openings between the individual light emitters. An "illuminator" is generally a device or element that transmits light, rather than a device or system that only reflects light. The individual light emitters 204 can be electrically connected with addressable conductive lines 206 that run between the individual light emitters 204, with physical dimensions that occupy a small portion of the space available between the individual light emitters 204. The gaps can be relatively large, and when viewed from a sufficient distance from the display surface (such as in a theater environment), the gaps between the individual light emitters 204 may not be easily perceived by the audience. In a movie theater, the front seats can be positioned a certain distance behind the screen, for example, a quarter or half of the screen width from the screen surface. For example, screen widths in movie theaters can range from 40 feet to over 100 feet, with front seating positions located 14 feet to 45 feet, respectively, from the screen emitting surface.

[0058] When the audience is positioned further away from the display, angular resolution below the threshold of perceiving discrete image pixels on the screen can be achieved by increasing the spacing between image pixels on the display. The spacing between the light emitters 204 can be set to a dimension that results in an angular resolution from the viewing position below a predetermined threshold of angular resolution. For example, one acceptable standard for a digital projection system projecting a 2k image (i.e., 2k pixels wide) onto a 40 foot screen can be an image pixel having a width of 0.24 inches, and the image pixel is viewed from a distance of 10 to 15 feet or more from the screen. The angular resolution resulting from the acceptable condition of viewing an image pixel of a specified width from a specified distance can serve as the angular threshold standard. The further away from the seats closest to the cinema display, the larger the gap between the light emitters 204 can be, making it less perceptible.

[0059] The gaps between the individual light emitters 204 allow for the passage of sound between the light emitters 204 from a speaker located behind the matrix 202 of light emitters 204. The gaps between the individual light emitters 204 can be of a relatively large extent relative to the depth of the opening in the matrix 202 so that sound can effectively pass through the matrix 202 of the individual light emitters 204.

[0060] FIG. 3 illustrates the space 326 between two light emitters 304 and the depth 328 of the light emitters 304 according to an example. The light emitters 304 can be used, for example, in the light emitting display of FIG. 2. In addition to the depth 328, the depth considered for the sound system configuration can include the depth of the support structure (e.g., printed circuit board) to which the individual light emitters 304 are attached. A perforated screen for forward projection can have a pore size of 0.030 to 0.040 inches and a screen thickness in the range of 0.015 to 0.03 inches. The apertures in the light emitting screen can have a diameter equal to or greater than the depth of the aperture. For example, a circular object with a diameter equal to or greater than the depth dimension of the aperture range can be fitted between the light emitters 304. The depth of the emitter panel can have a dimension significantly greater than the thickness of the vinyl screen used for the forward projection screen. Thus, the space between the individual light emitters 304 can be dimensioned to a depth that does not cause undesirable resonance with sound waves. For example, if the space between individual light emitters is 0.1 to 0.25 inches deep, the gaps between individual light emitters 304 can be of a similar dimension or larger to avoid creating undesirable conditions for sound to pass through the luminous matrix of the tile.

[0061] A luminous screen panel having gaps between individual light emitters in at least a portion of the panel allows sound to pass through the screen. For example, FIG. 4 shows a schematic of a light emitter panel 400 having a portion 404 with gaps between the light emitters. The gaps can be spaces that allow sound to pass through the matrix of light emitters. The portion of the light emitter matrix on the tile 402 has the same spacing of light emitters as the light emitters in portion 404. However, the gaps in the light emitter matrix 402 may not be the same, or even absent, providing better coverage for physical support of the tiles in a display or screen structure.

[0062] By placing the light emitting panels 400 adjacent to one another for increased viewing area, the spacing between the individual light emitters can be the same as the spacing between the individual light emitters in a light emitting panel matrix.

[0063] Phosphor displays with increased spacing between individual emitters as described above can facilitate easier alignment between panels, maintaining consistent spacing between emitters across the full extent of the screen. As screen dimensions get smaller, the gaps can get narrower, making it more difficult to align panels to maintain consistent emitter gap spacing across the screen.

[0064] In another method of arranging the matrix of light emitters in a tile, the spacing between light emitters can be random or pseudo-random within the light emitter tile, and the random spacing between light emitters within a tile can match the random spacing between light emitters between adjacent tiles.

[0065] In some instances, the edges of the tiles or panels can be contoured to be perceived as random or pseudo-random, eliminating any noticeable visual differences between tiles where the edges meet. As shown in FIG. 5, two panels 500 have a more random edge contour 510. The panels 500 can be rotated 45 degrees so that the panels are positioned diagonally, making the contour more difficult to perceive by the spectator. FIG. 6 shows two panels 600 with interlocking sawtooth edges 610. While the edge contour is not random, the edges 610 can be significantly discontinuous so that they are less perceptible.

[0066] Increasing the gap space between the individual light emitters can reduce the overall brightness of the display in a cinema. However, unlike home displays that have high ambient light viewing conditions, cinemas can have very low levels of ambient light. In this situation, the audience's eyes can adjust to the lower lighting conditions with dilated pupils, and the amount of light required to stimulate a daylight image scene in a cinema can be much less than the amount of light required for a display in high ambient light.

[0067] The brightness of the light emitters may be varied such that in night scenes (e.g., where the media content being displayed includes scenes in dark or low light), the brightness may be increased to increase spatial contrast. For example, an image pixel of a star or moon in a night sky may have a pixel brightness that is the maximum brightness of the pixel emitter, thereby maximizing spatial image contrast. In daytime scenes where most of the image pixels are bright, the emitters may not be driven at maximum brightness, but instead may be driven at a lower brightness so as not to be overwhelmed by the daytime scene as the viewer's eyes emerge from the dark.

[0068] Any of the matrix structures between the individual light emitters can be black to absorb incident light, especially reflected light from the audience back into the display, or incident light arising from other sources such as cross-lighting from other parts of the display if the display is a curved display. A black material, a light absorbing, sound transparent liner, such as a scrim or similar cloth-like material, can be placed behind the matrix, absorbing light directed toward the screen while allowing sound to pass through.

[0069] The matrix of light emitters can also be placed behind a black mask material with holes in front of each emitter, allowing light from the emitters to pass through the mask to the audience. The mask can be a liner that absorbs incident light and is transparent to sound. The liner can be made of any suitable material, examples include scrim or black cloth material or other porous materials. The mask can also manage or deterministically modify sound to improve audience performance.

[0070] In some examples, a light diffusing sheet or film is placed in front of the light emitter panel between the light emitters and the audience. Light emitted from the individual light emitters of the matrix can be directed onto a portion of the diffuser sheet such that the spot of light on the surface of the diffuser sheet from the light emitter is larger than the area of ​​the light emitter. The light emitters output light such that the divergence of the light emitted from the light emitters covers an area of ​​the diffuser sheet sufficient to reduce the appearance of gaps between the individual light emitters as perceived by an audience viewing the light emitting display with the front diffuser sheet.

[0071] FIG. 7 shows a portion of a light emitting panel 700 having a matrix of four individual light emitters 704 arranged behind a light diffuser 702, which is a sheet. The light emitters 704 can output light diverging from the optical axis of the light emitters 704 such that a light spot 706 is created in the diffuser 702. A spectator 710 can see an image pixel of light in the diffuser 702 that is larger than the physical size of the pixel of light in the light emitters 704. The diffuser 702 can reduce the size of the gap 708 between the individual light emitters 704. The light emitters 704 can include a dome lens to diffuse the light to a desired area of ​​the diffuser 702. A light absorbing material 714 can be arranged behind the light emitters 704 to absorb stray light reflected by the light diffuser 702 towards the light emitters 704 while allowing sound waves representing an acoustic signal to pass. The light absorbing material 714 can be a black scrim or black cloth that is transparent to sound waves.

[0072] Another light emitter configuration is shown in FIG. 8. The light emitter configuration has optical elements such as light reflector 851 that direct light from light emitter 850 to a light diffusing surface such as diffuser 852 with a defined spacing and light scattering profile. Diffuser 852 can be attached to reflector 851 or diffuser 852 can be a sheet covering a matrix of reflectors. Light emitter 850 can represent one light emitter or more than one light emitter. For example, light emitter 850 can be three light emitters in total, one for each primary color such as red, green, and blue. Black mask 854 can be placed in the area between or behind light emitters 850 to absorb light entering the display, and the black mask can be transparent to sound.

[0073] The reflector 851 can direct light to the viewing area without the diffuser 852. The emissive screen or display can include a reflector that directs light to the auditorium in a predetermined manner, so that the screen has the same or similar gain as that of high gain movie screens often used in forward projection movie theaters. An emissive display with illuminators with reflectors can also have reflectors positioned or oriented differently relative to each other in the screen area to provide a custom spatial light distribution or light gain profile across the auditorium and reduce the light hot spots that are typical of high gain screens used in forward projection movie screens. For example, light reflectors can be positioned and oriented to provide a more uniform spatial light distribution across the seating area by all illuminators.

[0074] Instead of a designed light diffuser specially placed on each reflector, an optical diffuser or liner can be placed in front of the reflector or light emitting matrix with light emitting elements without a reflector portion. The diffuser sheet can be a barrier to sound passing through the gaps between the individual light emitters. However, the holes in the light diffusing surface, such as the diffuser sheet, can be placed so that the holes are placed in the gaps between the illumination areas or light spots formed in the diffuser sheet. Returning to FIG. 7, holes 712 are shown placed in the portion of the diffuser 702, which is a sheet, between the illumination areas or light spots 706, with gaps 708, allowing sound waves from the direction 720 to pass through the display from behind. The diffuser 702 can be as thin as or thinner than the screen material used in the forward projection system, minimizing the depth of the hole dimensions. The thickness of the diffuser 702 can be as thin as 100 micrometers, provided that no objectionable visual artifacts are observed due to the lack of stiffness due to the thickness. By aligning the holes 712 with the gaps in the diffuser 702, it is possible to avoid the undiffused light emanating directly from the light emitters reaching the eyes of the audience. A light guide or barrier that directs light from the light emitter to the area of ​​the diffuser prevents the emitted light from passing through the aperture and allows sound to pass through.

[0075] There is an additional or alternative approach to displays that optimizes the integration of the sound system and the light-emitting display system by having the sound system local to the audience, passing sound through it. In large displays, such as displays measuring more than 60 feet wide or 30 feet tall, sound emanating from the periphery of the display may not provide a high quality audible presentation. In theaters with large display systems, by making the sound system more local to the audience (e.g., the audience's seats), the sound portion can be presented to the audience without being penalized by the dimensions of the larger screen. This configuration may not include sound waves passing through the light-emitting display as described above, and may avoid the possibility of visual artifacts of light passing through holes in the diffuser sheet to the audience.

[0076] The theater configuration shown in FIG. 9 has an image presentation display 910 that can prevent (or substantially prevent) sound waves from passing through the display 910 from behind the display 910 to audience members positioned in seats 912 in front of the display 910. The image presentation display 910 can be a light-emitting display. The seats 912 can include a sound system. An example of a seat 1000 that can be used in such an environment is shown in FIG. 10. An audience member can sit on a seat base 1020 such that their head is positioned near the top of a headrest 1030 or another type of backrest that has a speaker 1050 located in the right range and a speaker 1040 located in the left range. The headrest 1030 can be attached to the top of the backrest 1010 of the seat base 1020. Each speaker attached to the headrest 1030 can spread sound with a particular spatial distribution. For example, the spatial distribution of the speakers can be narrowed so that the sound is directed towards the space where the audience's ears are located, or the sound distribution can be directed towards the ears of an adult positioned on the seating platform 1020, or towards the ear position of a child seated on the seating platform 1020.

[0077] An alternative configuration of speakers located in the headrests of the auditorium is shown in plan view in Figure 11 with a left speaker 1140 and a right speaker 1150 in a headrest 1130 for a seat 1120 pointing their sound axes towards a seating position on the seat base 1121 behind the seat 1120. A spatial sound distribution 1170 from the left speaker 1140, shown in dashed lines, is aimed at a left ear position of an audience member located on the seat base 1121. Similarly, a spatial sound distribution 1160 from the right speaker 1150, shown in dashed lines, is aimed at a right ear position of an audience member located on the seat base 1121. The spatial distribution of sound from the left and right speakers can cover a range of left and right ear positions regardless of whether adults or children are sitting in the auditorium.

[0078] The cinema can receive a soundtrack for a standard type of theatre sound system configuration. In cinemas with speakers located between the theatre seats as shown in Figures 10 and 11, an audio processor or controller can control the signals going to each speaker. The audio processor using appropriate algorithms can modify the audio data from the soundtrack. The modified audio signal can be provided for output to the seat headrest speakers such that the acoustic characteristics mimic the sound as if the speakers were located behind the screen or in a non-seating area of ​​the theatre. The audience can perceive the sound as emanating from the location that the speakers would occupy.

[0079] An example of an algorithm for an acoustic processor may include combining the acoustic content of a five channel soundtrack intended for an acoustic system with several speaker positions in an auditorium for a binaural presentation two channels for an acoustic system with two speakers, one speaker directed to the listener's left ear and a second speaker directed to the listener's right ear. The acoustic content originating from the original multiple channels may be processed by determining and using transfer functions that represent the acoustic response of the listener's left and right ears in an acoustic system where the listener receives sound from the ideal positions of the speakers that the listener would have in the auditorium. The transfer functions may be a set of individual transfer functions, one transfer function representing the acoustic response at the listener's left ear position or the listener's right ear position for the acoustic content presented by one of the speakers. In one example, the transfer functions may be derived from binaural recordings or measurements made at the listener's positions, or from models or calculations that simulate the geometry of the listener and the reproduction transducers for the acoustic signals presented to each auditorium speaker position. By combining the transfer functions of each of the auditorium speaker positions with respect to the listener's left ear position and combining the transfer functions of each of the auditorium speaker positions with respect to the listener's right ear position, the acoustic data intended for multiple acoustic channels can be modified and used for a two-speaker system in a seat where sound can be directed from the left speaker towards the listener's left ear and from the right speaker towards the listener's right ear.

[0080] An enhancement to the seat speaker configuration is that signal processing for the seat speakers or groups of seat speakers can be performed such that it is independent of the image content presented on the screen and matches the geometry of the seat positions relative to the screen position. The soundtrack for speakers located in the seating area can be changed for each seat speaker set or group of seat speakers, such as a set of left and right speakers, to compensate for the specific seat positions relative to the screen position and create an acoustic perspective between the seats in the theater that is consistent with respect to their position relative to the screen.

[0081] The speakers can be located in the headrests so that the headrests can be replaced for maintenance. The audio signal can drive the headrest speakers via electrical connections in the headrest mounts 1060 in FIG. 10. In other examples, the audio signal can be received wirelessly by the speakers, which can be powered via a wired connection through the headrest mounts or via wireless power transmission. The speakers can also be powered by batteries in the headrests. The audience can experience standard cinema audio files with just the headrest speakers. Certain audio file soundtracks, such as a soundtrack for sub-bass frequencies, can also be directed to separate speakers in the auditorium.

[0082] The functional block diagram of FIG. 12 shows an example of a system for processing acoustic data for speakers in an auditorium. In FIG. 12, a processor 1210 executes instructions stored in a memory device 1212, such as an acoustic engine 1214, to modify received acoustic data and direct the modified acoustic data to be used by speakers near the seats, such as headrest speakers. As shown in FIG. 12, the processor 1210 receives an audio file having multiple soundtracks. The processor 1210 can execute instructions to extract acoustic data from the soundtracks for the speakers in the auditorium. The extracted acoustic data can be modified by a predefined algorithm to create soundtrack data to be used by speakers located within the seating area. The predefined algorithm can be based on a head-related transfer function (HRTF) method that allows a complete sound field to be realized and in which the origin of the acoustic channel is perceived to be at the intended location. In the example shown in FIG. 10 and FIG. 11, two soundtracks are used, one for the left speakers 1040, 1140 and another for the right speakers 1050, 1150. The processor 1210 can output the modified acoustic signal to the acoustic amplifiers 1220, 1230 that provide signals to the left and right speakers such that the sound waves from the left and right speakers at the seating position of the seat have an apparent sound source of the speaker configuration located outside the seating area of ​​the light-emitting display. In some examples, the processor 1210 and the memory device 1212 together can form a controller for controlling the acoustic signals provided to the speakers. In other examples, the controller also includes the acoustic amplifiers 1220, 1230. The memory device 1212 can be a non-transitory computer-readable medium that includes program instructions.

[0083] Alternatively, the processor may process audio data or audio signals already extracted from an audio file, as indicated by block 1380 in FIG. 13 showing tracks 1 through n of audio data received by the processor. Using a predefined algorithm already loaded into the processor, the received audio data or audio signals may be modified to generate audio data or audio signals for speakers located within the seating area. Block 1380 may include a processor device that executes instructions stored in memory device 1382 as an audio engine 1383, and outputs the created soundtrack data to audio amplifiers 1384, 1386 that provide signals to left and right speakers.

[0084] Light-emitting displays that prevent (or substantially prevent) sound waves from passing through the display (such as light-emitting display 910 of FIG. 9) can be optimized in other ways. For example, the display can be optimized to more effectively absorb incident light or to more effectively reflect sound in multiple directions.

[0085] Light-emitting displays that do not have speakers located behind the display can have surfaces that reflect sound in multiple directions, suggesting acoustic reflection. For example, the display can be curved so that the display surface is slightly convex with respect to the audience's viewing position, spreading sound outward as opposed to a concave curved surface that reflects sound and converges towards the audience. A convex curved light-emitting display surface can be tilted vertically towards the audience (e.g., the top of the display can be tilted towards the seating area, while the bottom of the screen is in the same position), directing more light from the display emitters towards the audience and reflecting any sound from the audience area in multiple directions away from the audience when reflecting off the display surface. An alternative approach may include a display surface with multiple reflective surfaces in segments that reflect sound in a set of directions (e.g., with a quadratic surface). Light-emitting displays can also have a membrane between the emitters and the audience. The membrane can absorb at least some sound or allow the sound to pass through to be absorbed by a substrate or structure behind the membrane.

[0086] In some examples, sound waves from the viewing seating position can be absorbed by the light emitting display, improving the auditory experience of the sound waves associated with the visual presentation. FIG. 20 shows a cross-sectional view of a portion of a light emitting display 2000 held in an enclosure 2002 with light emitters 2010 disposed on a substrate 2020 according to one example. Openings or holes 2030 can be included through the substrate 2020 between the light emitters 2010. The space 2040 behind the holes 2030 can include an acoustic absorbing material 2045, or the space behind the holes can be a tuned cavity using a divider 2050. The cavity can be tuned to resonate with different wavelengths of sound waves or a wide band of wavelengths of sound waves, or the display can have a distribution of different absorption properties, allowing a wide range of wavelengths of sound waves across the extent of the display to be absorbed or otherwise controlled.

[0087] Light and sound waves incident on the display surface can be absorbed by the enclosure space 2040 or cavity sound absorbing material 2045. The substrate 2020 between the light emitters 2010 can be black to absorb light, and the holes 2030 between the light emitters 2010 can allow for absorbing sound waves coming from the audience position. For example, the sound absorbing material 2045 located in the enclosure 2002 or panel can absorb or substantially absorb sound waves from the audience side that pass through the holes 2030. A variety of sound absorbing materials can be used. Examples include acoustic porous materials such as fibrous materials (e.g., glass fiber and wood fiber) or open cell foams that are specifically configured for sound absorption, and membrane materials such as physically dense films. Additionally or alternatively, the holes 2030 can provide a volume of space behind the substrate 2020 such that the holes 2030 and the chamber behind the holes 2030 form a resonant absorbing structure such as a tuned cavity to absorb sound waves (similar to a Helmholtz sound absorber). The space behind the substrate 2020 can be substantial in that physically larger sound absorbing elements can be used.

[0088] Another approach to optimize the integration of the sound system and light in a theater luminous display system is shown in FIG. 14, where sound may not pass through the luminous display, but instead of sound directed at the display from behind, sound may be generated at the display surface when speakers are positioned behind and very close to the display. The movie theater may include a luminous screen 1400, where a portion of the luminous screen has sound emitters positioned between the luminous bodies. For example, a portion 1415 of the screen 1400 may be a location where a matrix of sound emitters at the display surface are grouped together to generate sound for a speaker positioned behind the screen, such as the front left speaker 15 shown in FIG. 1. A portion 1420 of the screen may be a location where a matrix of sound emitters at the display surface are grouped together to generate sound for a speaker positioned behind the screen, such as the front right speaker 19 shown in FIG. 1. The screen 1400 may be configured to emit sound and light directed towards the viewing seating area 1405. The speakers 1425, 1430 may be speakers similar to the speakers 23 and 25 of FIG. 1, respectively. Speakers 1440, 1435 located at the rear of the viewing seating area 1405 may be similar to speakers 27, 29, respectively, as shown in FIG.

[0089] As shown in FIG. 15, the screen 1400 may have a matrix of light emitters, which may be electrically interconnected as shown in FIG. 2. The sound emitters 1508 may be disposed in the spaces between the light emitters 1504. The light emitters and sound emitters may also be mounted on the same side of a common mounting substrate, such as a printed circuit board. The screen may be formed using several display panels, which may include several light emitters and several sound emitters as shown in FIG. 15, and the display panel may provide images and sounds for an audiovisual presentation. During the manufacture of the display panel, the light emitters and sound emitters may be mounted using the same or similar pick-and-place manufacturing process on the printed circuit board or panel substrate or panel substructure, since the components to be placed are larger than the light emitters of LCD and LED monitors used in desktop computers. The assembly process of the display panel may be performed by disposing the light emitters and sound emitters on a large area substrate configured to mount semiconductors or other discrete elements. The sound emitters may be small electromagnetic, electrostatic, or piezoelectric transducers for emitting sound. The sound emitter may be of the voice coil driven variety or other types of diaphragm driven systems.

[0090] If the gap between the light emitters is large enough, the sound emitters can fit into the space between the light emitters as shown in FIG. 15. If the sound emitters are of larger dimensions, the sound emitters can be placed in a matrix of second sound emitters that can be attached to or positioned relative to the first matrix of light emitters from behind. Alternatively, the light emitters can be attached to one side of the printed circuit board and the sound emitters to the other side. Port holes or gaps between the light emitters in the printed circuit board can be made to allow sound from the sound emitters attached to the back side of the printed circuit board to pass through the board to the front side of the printed circuit board. FIG. 16 and FIG. 17 show alternative ways in which the matrix of sound emitters can be positioned relative to the matrix of light emitters when the sound emitters are positioned behind the light emitters relative to the audience of the light emitting display. The light emitters can be positioned relative to the light emitters and the gaps between the light emitters to minimize effects that can interfere with the sound of the sound emitter's acoustic path and affect the spatial acoustic distribution and frequency response of the sound emitters. FIG. 17 shows a sound emitter 1608 symmetrically positioned with respect to the light emitters 1604 such that the light emitters may only affect sound emitted at the periphery of the sound emitted from the sound emitters. FIG. 17 shows a larger sound emitter 1708 that may be symmetrically positioned with respect to the surrounding light emitters 1704, and one light emitter positioned at the center of the sound emitters. A display panel may include a light emitter matrix and a sound emitter matrix such that the panel is one device. The spacing between the light emitters may be random, and the spacing between the sound emitters may be random, but the light emitters and sound emitters may be spatially aligned with each other.

[0091] 18 shows another configuration 1800 in which a sound emitter 1820 is attached to the back side of a printed circuit board 1850 and a light emitter 1810 is attached to the front side of the substrate 1850. The sound emitter 1820 has an enclosure 1840, which may be an acoustic cavity so that sound from the sound emitter 1820 is directed through holes 1860 in the substrate 1850. In front of the substrate 1850 with the light emitters 1810 is a light diffusing layer 1880 and in front of the substrate 1850 that is not a hole or light emitter is a black masking material such as a black mask 1870 or a mask that can be silk screened onto the substrate 1850.

[0092] The matrix of sound emitters can output sound waves such that a cumulative sound pressure level of the sound emitters of the matrix of sound emitters is comparable to the sound pressure level produced by speakers positioned behind a screen in a cinema with forward projection.

[0093] The matrix of sound emitters can be arranged on the display such that the matrix of light emitters and the matrix of sound emitters cover the same area of ​​the display. In other examples, the matrix of sound emitters can be limited to a portion of the area covered by the matrix of light emitters. For example, a display with a matrix of light emitters can have three sections with three matrices of sound emitters arranged on the display in positions where speakers behind the screen would be arranged with respect to a front projection screen.

[0094] When the diffuser liner is placed over the luminous matrix shown in Figures 15-18 and as shown in Figure 7, the diffuser can have holes that allow sound to pass through. When the sound emitter is part of a display panel, the location of the holes can be between the spots of light on the diffuser from the luminous emitters and placed above the sound emitter. For example, in Figure 15, holes 1510 are placed in the gaps between the spots of light on the diffuser caused by the luminous emitter 1504 directly above the sound emitter 1508. Figure 15 shows holes in the light gaps placed between the spots of light such as the light spot 706 shown in Figure 7, with the sound emitter dissipation path placed behind the holes. The holes can be dimensionally the same as holes in a movie screen for forward projection (e.g., 0.030 to 0.040 inches or more in diameter). This can be an efficient setup for the emitted sound waves to pass through the diffuser and reach the audience. In Figure 16, holes 1610 are in the gaps placed between the spots of light on the diffuser by the light from the luminous emitter 1604. In some examples, 50% or less of the holes can be placed just before the sound emitter. 17 shows another efficient coupling arrangement between the sound emitted by the sound emitter 1708 and holes 1710 in that the holes are in front of the sound emitter or in the acoustic spatial dissipation path of the sound emitter. The area around the light emitters and sound emitters 1512, 1612, 1712 can be a black mask to absorb the light reflected back from the light emitters 1504, 1604, 1704 by the diffuser sheet.

[0095] Another theater configuration with a light emitting display having a surface configured to reflect sound is shown in Figure 19. Speakers 1910, 1915, and 1920 are positioned in front of the light emitting display 1900 and can have their acoustic distribution paths aimed towards the surface of the light emitting display so that the display surface is used to reflect sound towards the seating area 1905. Side speakers 1925 and 1930 and rear speakers 1940 and 1935 can be positioned in the same manner as shown in Figures 1 and 14. The speakers in front of the display can be positioned on the floor but outside the audience's line of sight of the display.

[0096] The foregoing description of specific examples, including the illustrated examples, has been presented for purposes of illustration and description only and is not intended to be exhaustive or to limit the disclosure to the precise forms disclosed. Numerous modifications, adaptations, and uses thereof will be apparent to those skilled in the art without departing from the scope of the present disclosure. For example, any example described herein can be combined with any other example.

Claims

1. 1. A cinema screen that can be placed in a theatre, comprising: a matrix of light emitters forming a light emitting area of ​​a cinema screen, said light emitters being spaced apart to define spaces between adjacent light emitters, said spaces being capable of conforming to a circular body having a diameter equal to or greater than the depth dimension of the area of ​​openings between said light emitters, allowing sound waves to pass from behind said cinema screen to the front of said cinema screen facing the theatre seats; a liner disposed across a portion of the space between adjacent light emitters to absorb light other than that directed toward the theater seats and to allow sound waves to pass through the liner; Cinema screen including

2. 2. The cinema screen of claim 1, wherein the liner is a black mask.

3. 2. The cinema screen of claim 1, further comprising a light diffusing surface that can be positioned between the matrix of light emitters and audience seating for presenting the movie, the light diffusing surface configured to diffuse light from the matrix of light emitters, the light diffusing surface having holes configured to allow sound waves to pass from behind the cinema screen to in front of the cinema screen using the space.

4. 4. The cinema screen of claim 3, further comprising an optical element between said light emitters and said light diffusing surface.

5. 5. The cinema screen of claim 4, wherein the optical elements are light guides or lenses.

6. 4. The cinema screen of claim 3, wherein the holes are disposed between areas of a light diffusing surface configured to be light emitting areas.

7. 4. The cinema screen of claim 3, wherein the light emitters are disposed between a black material and the light diffusing surface in front of the light emitters.

8. 4. The cinema screen of claim 3, wherein the light diffusing surface is positioned with respect to the matrix of light emitters such that at least some of the holes are aligned with at least some of the spaces to prevent undiffused light from being visible in the theatre seats.

9. 1. A light emitting display that can be placed in a theater to display a movie presentation, comprising: a matrix of light emitters forming a light emitting area of ​​said light emitting display, said light emitters being spaced apart from one another to define spaces between adjacent light emitters, said spaces being capable of conforming to a circular body having a diameter equal to or greater than the depth dimension of the area of ​​openings between said light emitters; a light diffusing surface that can be positioned between the matrix of light emitters and audience seating of the cinema presentation, the light diffusing surface being configured to diffuse light from the matrix of light emitters and having holes configured to allow sound waves to pass using the space from behind the light emitting display to in front of the light emitting display configured to face the seats; Including a light emitting display.

10. 10. The luminescent display of claim 9, further comprising a liner disposed across a portion of the space between adjacent light emitters, the liner configured to absorb light other than that directed toward the theater seats and to allow sound waves to pass through the liner.

11. 10. The luminous display of claim 9, further comprising a light diffusing surface that can be positioned between the matrix of light emitters and the audience seating of the theater, the light diffusing surface configured to diffuse light from the matrix of light emitters, the light diffusing surface having holes configured to allow sound waves to pass from behind the luminous display to in front of the luminous display using the space.

12. The light emitting display of claim 11 further comprising an optical element between the light emitter and the light diffusing surface.

13. 12. The emissive display of claim 11, wherein the holes are disposed between areas of a light diffusing surface configured to be emissive areas.

14. The emissive display of claim 11 , wherein the light emitters are disposed between a black material and the light diffusing surface in front of the light emitters.

15. The luminescent display of claim 11 , wherein the light diffusing surface is positioned with respect to the matrix of light emitters such that at least some of the holes are aligned with at least some of the spaces to prevent undiffused light from being visible in the theatre seats.

16. 10. The light emitting display of claim 9, wherein the light diffusing surface is a sheet of material and the holes have a diameter of 0.030 inches or greater.

17. 1. A cinema screen comprising a light emitting display arranged to emit light towards an area of ​​audience seating in a theatre, the light emitting display having a surface configured to reflect sound waves in a plurality of directions relative to the audience seating arrangement.

18. 20. The cinema screen of claim 17, wherein the light emitting display includes light emitting elements and a light diffusing surface positionable between the light emitting elements and an area of ​​the audience seating, the light diffusing surface having holes.

19. 18. The cinema screen of claim 17, wherein the surface is a quadratic surface.

20. 20. The cinema screen of claim 18, further comprising an optical element between the light emitting elements and the light diffusing surface.

21. a matrix of light emitters having spaces between adjacent light emitters, the matrix of light emitters being configured to present the luminous display extent of a cinema screen; a sound wave emitter disposed in the spaces between adjacent light emitters of the matrix of light emitters or disposed behind the cinema screen so that the cinema screen is between the sound wave emitter and the theatre audience seating; Cinema screen including

22. 22. The cinema screen system of claim 21, wherein the sound emitter includes a printed circuit board having a speaker configured to direct sound away from the audience, the sound emitter being positioned further from the audience seating area than at least one light of the matrix of lights.

23. 23. The cinema screen system of claim 22, wherein each of the sound wave emitters has an acoustic cavity for directing sound from the speaker through the light emitting display towards an area of ​​the theatre seating.

24. 22. The cinema screen system of claim 21, further comprising a light diffusing surface that can be positioned between the matrix of light emitters and audience seating for a cinema presentation, the light diffusing surface being configured to diffuse light from the matrix of light emitters, the light diffusing surface having holes in front of the sound wave emitters to allow sound waves to pass through the light diffusing surface to the seats using the space.

25. 22. The cinema screen system of claim 21, further comprising a liner disposed across a portion of the space between adjacent light emitters to absorb light, the liner allowing sound waves to pass through the liner.

26. 26. The cinema screen system of claim 25, wherein the liner is a black mask.

27. emitting light toward an area of ​​theater seating by a light emitting display having a matrix of light emitting elements in a front portion thereof, the matrix of light emitting elements defining spaces between adjacent light emitting elements; emitting sound from a sound source disposed behind the light emitting element through the space toward the seating area; The method includes:

28. 1. A seat capable of being installed in a theater having an image presentation display, comprising: A seating platform, a backrest coupled at its bottom to the seat base, the backrest including a top portion opposite the bottom portion, the top portion comprising: a left speaker disposed in the top left region; a right speaker disposed in the right region of the top; [0023] A backrest including: wherein the left speaker and the right speaker output acoustic signals as sound waves, and the sound waves from the left speaker and the right speaker at a seating position of the seat are configured to have an apparent sound source of a speaker arrangement located outside the seat range for the image presentation display.

29. 30. The seat of claim 28, wherein the left speaker and the right speaker are configured to output an acoustic signal modified by a controller as the sound waves.

30. 30. The seat of claim 28, wherein the top portion is a head rest.

31. 30. The seat of claim 28, wherein the image presenting display is a light emitting display.

32. 32. The seat of claim 31, wherein the light emitting display is configured to prevent sound from emitting from the light emitting display.

33. 33. The seat of claim 32, wherein the light emitting display has an image range of greater than 60 feet horizontally or 30 feet vertically.

34. 1. An audio system for a cinema having a luminescent display, comprising: a left speaker positionable in a left area of ​​a top of a backrest of the seat, the backrest facing the top and including a bottom portion connecting the backrest to a seat platform; a right speaker that may be located in the right region of the top; a controller communicatively coupled to the left speaker and the right speaker for providing acoustic signals to the left speaker and the right speaker, such that sound waves from the left speaker and the right speaker at a seating position of the seat have an apparent sound source of a speaker apparatus located outside a seating area of ​​the light-emitting display; Sound system including.

35. 1. A controller for controlling sound waves in a theatre including a light emitting display, comprising: A processor unit; a non-transitory memory device including instructions executable by the processor device to cause the controller to modify the acoustic signals and transmit the modified acoustic signals to left and right speakers located at the top of the backrests of the theatre seats such that sound waves from the left and right speakers at a seating position of the seats have an apparent source of sound from speaker devices located outside the seating area of ​​the light-emitting display; The controller containing

36. outputting light representative of a visual presentation to a theatre audience with a light emitting display, the light having a first brightness level; detecting, with a sensor, a change in ambient light in said theater; in response to detecting a change in ambient light in the theater, causing the controller to cause the light emitting display to output light at a second brightness level based on the ambient light in the theater; outputting light representing a visual presentation to an audience in the theater by the light emitting display, the light having a second brightness level based on ambient light in the theater. The method includes:

37. 37. The method of claim 36, wherein the sensor is attached to the light-emitting display.

38. a light emitting element at the display surface and configured to output light representing a visual presentation to an audience area of ​​the theater; means for absorbing sound waves incident on said display surface; Including a light emitting display.

39. 39. The luminescent display of claim 38, wherein said means comprises a porous absorbing material for absorbing acoustic waves incident on said display surface.

40. 39. The emissive display of claim 38, wherein said means includes a resonant absorbing structure for absorbing acoustic waves incident on said display surface.

41. an enclosure defining at least a portion of the display surface; a substrate over the enclosure and having light emitters mounted thereon, the substrate having openings disposed between at least some of the light emitters; Further comprising:

39. The light emitting display of claim 38, wherein the enclosure defines a space therein for absorbing sound waves entering the opening.

42. 42. The luminescent display of claim 41, further comprising an acoustic porous material disposed within at least a portion of a space defined by said enclosure.

43. 42. The luminescent display of claim 41, wherein the enclosure defining the space is tuned to resonate with acoustic waves of multiple wavelengths.

Images