WO2024019192A1 - 휴대용 디스플레이 디바이스 - Google Patents
휴대용 디스플레이 디바이스 Download PDFInfo
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- WO2024019192A1 WO2024019192A1 PCT/KR2022/010678 KR2022010678W WO2024019192A1 WO 2024019192 A1 WO2024019192 A1 WO 2024019192A1 KR 2022010678 W KR2022010678 W KR 2022010678W WO 2024019192 A1 WO2024019192 A1 WO 2024019192A1
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- case
- display device
- display
- unit
- speaker
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
- G06F1/1688—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675 the I/O peripheral being integrated loudspeakers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
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- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1628—Carrying enclosures containing additional elements, e.g. case for a laptop and a printer
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/02—Spatial or constructional arrangements of loudspeakers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Definitions
- the present invention relates to a portable display device including a case.
- LCD Liquid Crystal Display
- FED Field Emission Display
- PDP plasma display panels
- electroluminescence devices electroluminescence devices
- the liquid crystal panel of the liquid crystal display device includes a liquid crystal layer, a TFT substrate and a color filter substrate facing each other with the liquid crystal layer interposed therebetween, and can display images using light provided from a backlight unit.
- organic light emitting display devices are self-luminous devices, they do not have a backlight compared to liquid crystal display devices and have advantages in response speed, viewing angle, etc., so they are attracting attention as next-generation displays.
- this type of display device requires a separate bag for carrying, a stand must be purchased separately for mounting, and speakers must also be installed separately, making it inconvenient to purchase and carry accessories.
- the purpose of the present invention is to provide a display device equipped with a speaker and equipped with a case for easy portability.
- a case including a first case and a second case combined to form an internal space; a display module located inside the case; a link located between the first case and the back of the display module and changing the angle and changing the position of the display module; and an audio output unit located in the second case, wherein the audio output unit includes: an audio housing whose first surface is coupled to the second case; a speaker located on a second side of the acoustic housing; and an acoustic guide formed on the second surface of the acoustic housing and protruding in a front direction from the speaker to an end of the second case.
- the audio output unit may be formed symmetrically on both sides of the second case in the horizontal direction, and the speaker may be disposed adjacent to an end of the second case in the horizontal direction.
- the sound guide may further include a plurality of slits.
- the speaker can output sound of 1 kHz or higher.
- It may further include an elastic member attached to the second surface of the acoustic housing, and the elastic member may not be located between the speaker and the acoustic guide.
- the second surface of the acoustic housing may have a step formed around the speaker except for the area where the acoustic guide is located.
- the audio output unit includes a resonance space formed inside the acoustic housing; And it may include a resonance hole formed on one side of the acoustic housing.
- the second case is fixed in an open state by standing vertically on one side of the first case, and the display module is positioned on the other side of the second case when standing vertically on the first case. and the speaker may be arranged to face the rear of the display module.
- the case may include a handle on one side.
- first case may further include a leg fastening part on the outside of which ends of the legs are coupled.
- the display device can be easily carried without the need to carry a separate stand or speaker.
- the display device of the present invention can sufficiently transmit high-frequency sound to a user located in front of the display through a sound guide.
- 1 is a block diagram for explaining each configuration of the display device of the present invention.
- Figure 2 is a perspective view showing an example of the display device of the present invention.
- 3 to 5 are diagrams showing states according to the display position of the display device of the present invention.
- Figure 6 is a diagram showing an embodiment of the audio output unit of the display device of the present invention.
- Figure 7 is a diagram showing the direction of sound output from the audio output unit.
- Figure 8 is a diagram showing another embodiment of the audio output unit of the display device of the present invention.
- Figure 9 is a diagram showing an example of an acoustic guide of the display device of the present invention.
- Figure 10 is a graph showing the size at which sound output from the audio output unit of the display device of the present invention reaches the user.
- the video display device described in this specification is, for example, an intelligent video display device that adds a computer support function to the broadcast reception function, and is faithful to the broadcast reception function while adding an Internet function, etc., such as a handwriting input device and a touch screen.
- an Internet function etc.
- it can be equipped with a more convenient interface such as a spatial remote control.
- by supporting wired or wireless Internet functions it is possible to connect to the Internet and a computer and perform functions such as email, web browsing, banking, or gaming.
- a standardized general-purpose OS can be used for these various functions.
- the video display device described in the present invention for example, various applications can be freely added or deleted on a general-purpose OS kernel, so various user-friendly functions can be performed.
- the video display device may be, for example, a network TV, HBBTV, smart TV, etc., and in some cases, may also be applied to a smartphone.
- FIG. 1 is a block diagram for explaining each configuration of the display device 100.
- the display device 100 includes a broadcast reception unit 110, an external device interface unit 171, a network interface unit 172, a storage unit 140, a user input interface unit 173, an input unit 130, and a control unit 180. , may include a display 150, an audio output unit 160, and/or a power supply unit 190.
- the broadcast reception unit 110 may include a tuner unit 111 and a demodulation unit 112.
- the display device 100 includes only the external device interface unit 171 and the network interface unit 172 among the broadcast receiver 110, the external device interface unit 171, and the network interface unit 172. It is also possible to do so. That is, the display device 100 may not include the broadcast reception unit 110.
- the tuner unit 111 may select a broadcast signal corresponding to a channel selected by the user or all previously stored channels among broadcast signals received through an antenna (not shown) or a cable (not shown).
- the tuner unit 111 can convert the selected broadcast signal into an intermediate frequency signal or a baseband video or audio signal.
- the tuner unit 111 may convert it into a digital IF signal (DIF), and if the selected broadcast signal is an analog broadcast signal, it may be converted into an analog baseband video or audio signal (CVBS/SIF). That is, the tuner unit 111 can process digital broadcasting signals or analog broadcasting signals.
- the analog base band video or audio signal (CVBS/SIF) output from the tuner unit 111 may be directly input to the control unit 180.
- the tuner unit 111 can sequentially select broadcast signals of all broadcast channels stored through a channel memory function among received broadcast signals and convert them into intermediate frequency signals or baseband video or audio signals.
- the tuner unit 111 may be equipped with multiple tuners in order to receive broadcast signals of multiple channels.
- a single tuner that simultaneously receives broadcast signals from multiple channels is also possible.
- the demodulator 112 may receive the digital IF signal (DIF) converted by the tuner unit 111 and perform a demodulation operation.
- the demodulator 112 may perform demodulation and channel decoding and then output a stream signal (TS).
- the stream signal may be a multiplexed video signal, audio signal, or data signal.
- the stream signal output from the demodulator 112 may be input to the control unit 180.
- the control unit 180 can output video through the display 150 and audio through the audio output unit 160.
- the sensing unit 120 refers to a device that detects changes within the display device 100 or external changes.
- a device that detects changes within the display device 100 or external changes.
- proximity sensor e.g., proximity sensor, illumination sensor, touch sensor, infrared sensor, ultrasonic sensor, optical sensor, e.g. , camera), a voice sensor (e.g., a microphone), a battery gauge, and an environmental sensor (e.g., a hygrometer, a thermometer, etc.).
- the control unit 180 can check the status of the display device 100 based on the information collected by the sensing unit 120 and notify the user when a problem occurs or control it to maintain the best condition by adjusting it on its own.
- the content, image quality, size, etc. of the image provided to the display module 180 can be controlled differently depending on the viewer or surrounding illumination detected by the sensing unit to provide an optimal viewing environment.
- the number of functions mounted on display devices increases, and the number of sensing units 20 also increases.
- the input unit 130 may be provided on one side of the main body of the display device 100.
- the input unit 130 may include a touch pad, physical buttons, etc.
- the input unit 130 can receive various user commands related to the operation of the display device 100 and transmit control signals corresponding to the input commands to the control unit 180.
- the number of display devices 100 in which the input unit 130 in the form of a physical button exposed to the outside has been minimized has increased.
- a minimal physical button is located on the back or side, and user input can be received through the remote control device 200 through a touchpad or a user input interface unit 173, which will be described later.
- the storage unit 140 may store programs for processing and controlling each signal in the control unit 180, or may store processed video, audio, or data signals.
- the storage unit 140 stores application programs designed for the purpose of performing various tasks that can be processed by the control unit 180, and selects some of the stored application programs at the request of the control unit 180. can be provided.
- Programs stored in the storage unit 140 are not particularly limited as long as they can be executed by the control unit 180.
- the storage unit 140 may perform a function for temporarily storing video, voice, or data signals received from an external device through the external device interface unit 171.
- the storage unit 140 can store information about a certain broadcast channel through a channel memory function such as a channel map.
- FIG. 1 shows an embodiment in which the storage unit 140 is provided separately from the control unit 180, the scope of the present invention is not limited thereto, and the storage unit 140 may be included in the control unit 180.
- the storage unit 140 includes volatile memory (e.g., DRAM, SRAM, SDRAM, etc.), non-volatile memory (e.g., flash memory, hard disk drive (HDD), and solid state drive (Solid- It may include at least one of state drive (SSD), etc.).
- volatile memory e.g., DRAM, SRAM, SDRAM, etc.
- non-volatile memory e.g., flash memory, hard disk drive (HDD), and solid state drive (Solid- It may include at least one of state drive (SSD), etc.
- the display 150 can generate a driving signal by converting the video signal, data signal, OSD signal, and control signal processed by the control unit 180 or the video signal, data signal, and control signal received from the interface unit 171. there is.
- the display 150 may include a display panel 181 having a plurality of pixels.
- a plurality of pixels provided in the display panel may include RGB subpixels.
- a plurality of pixels provided in the display panel may include RGBW subpixels.
- the display 150 may convert image signals, data signals, OSD signals, control signals, etc. processed by the control unit 180 to generate driving signals for a plurality of pixels.
- the display 150 may be a plasma display panel (PDP), liquid crystal display (LCD), organic light emitting diode (OLED), or flexible display, and may also be capable of a 3D display. there is.
- the 3D display 150 can be divided into a glasses-free type and a glasses type.
- the display device includes a display module that occupies most of the front area and a case that covers the back side of the display module and packages the display module.
- the display device 100 is a display module 150 that can be bent, such as LED (Light Emitting Diodes) or OLED (Organic Light Emitting Diodes), to implement a curved screen beyond a flat surface. can be used.
- LED Light Emitting Diodes
- OLED Organic Light Emitting Diodes
- the backlight unit is a device that uniformly supplies the light source and the light supplied from the light source to the liquid crystal located on the front.
- the backlight unit became increasingly thinner, it was possible to implement a thin LCD, but it is difficult to implement the backlight unit using a flexible material, and when the backlight unit is bent, it is difficult to supply light uniformly to the liquid crystal, causing a problem in that the brightness of the screen changes.
- each element that makes up the pixel emits light on its own, so it can be implemented in a curved manner without using a backlight unit.
- each element since each element emits its own light, even if the positional relationship with neighboring elements changes, its own brightness is not affected, so the flexible display module 150 can be implemented using LED or OLED.
- OLED Organic Light Emitting Diode
- OLED uses three types of phosphor organic compounds, including red, green, and blue, which have a self-luminous function. Electrons and positively charged particles injected from the cathode and anode are used to emit light. Since it is a light-emitting display product that utilizes the phenomenon of self-emitting light by combining within organic materials, there is no need for a backlight (halo device) that reduces color.
- the LED (Light Emitting Diode) panel is a technology that uses one LED element as one pixel, and the size of the LED element can be reduced compared to the prior art, making it possible to implement a flexible display module 150.
- LED TVs used LEDs as a light source for the backlight unit that supplied light to the LCD, but the LEDs themselves did not constitute a screen.
- the display module includes a display panel, a coupling magnet located on the back of the display panel, a first power supply, and a first signal module.
- the display panel may include a plurality of pixels (R, G, B).
- a plurality of pixels (R, G, B) may be formed in each area where a plurality of data lines and a plurality of gate lines intersect.
- a plurality of pixels (R, G, B) may be placed or arranged in a matrix form.
- the plurality of pixels (R, G, B) include a red (R) subpixel, a green (Green, 'G') subpixel, and a blue (Blue, 'B') subpixel. It can be included.
- the plurality of pixels (R, G, B) may further include a white (hereinafter referred to as 'W') subpixel.
- the side of the display module 150 that displays images may be referred to as the front or front side.
- the display module 150 displays an image the side from which the image cannot be observed may be referred to as the rear or back side.
- the display 150 is configured as a touch screen and can be used as an input device in addition to an output device.
- the audio output unit 160 receives the audio-processed signal from the control unit 180 and outputs it as audio.
- the interface unit 170 serves as a passageway for various types of external devices connected to the display device 100.
- the interface unit may include a wired method of transmitting and receiving data through a cable as well as a wireless method using an antenna.
- the interface unit 170 includes a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and a port for connecting a device equipped with an identification module ( port), an audio input/output (I/O) port, a video input/output (I/O) port, and an earphone port.
- An example of a wireless method may include the broadcasting receiver 110 described above, and may include not only broadcasting signals, but also mobile communication signals, short-distance communication signals, and wireless Internet signals.
- the external device interface unit 171 can transmit or receive data with a connected external device.
- the external device interface unit 171 may include an A/V input/output unit (not shown).
- the external device interface unit 171 can be connected wired/wireless to external devices such as DVD (Digital Versatile Disk), Blu ray, game device, camera, camcorder, computer (laptop), set-top box, etc. You can also perform input/output operations with external devices.
- the external device interface unit 171 establishes a communication network with various remote control devices 200 to receive control signals related to the operation of the display device 100 from the remote control device 200 or to receive control signals related to the operation of the display device 100 from the remote control device 200. ) can be transmitted to the remote control device 200.
- the external device interface unit 171 may include a wireless communication unit (not shown) for short-distance wireless communication with other electronic devices. Through this wireless communication unit (not shown), the external device interface unit 171 can exchange data with an adjacent mobile terminal. In particular, the external device interface unit 171 can receive device information, running application information, application images, etc. from the mobile terminal in mirroring mode.
- the network interface unit 172 may provide an interface for connecting the display device 100 to a wired/wireless network including an Internet network.
- the network interface unit 172 may receive content or data provided by the Internet or a content provider or network operator through a network.
- the network interface unit 172 may include a communication module (not shown) for connection to a wired/wireless network.
- the external device interface unit 171 and/or the network interface unit 172 supports Wi-Fi (Wireless Fidelity), Bluetooth, Bluetooth Low Energy (BLE), Zigbee, and NFC (Near Field Communication). ), communication modules for short-range communication such as LTE (long-term evolution), LTE-A (LTE Advance), CDMA (code division multiple access), WCDMA (wideband CDMA), UMTS (universal mobile telecommunications system), WiBro ( It may include a communication module for cellular communication such as Wireless Broadband).
- Wi-Fi Wireless Fidelity
- BLE Bluetooth Low Energy
- Zigbee Zigbee
- NFC Near Field Communication
- communication modules for short-range communication such as LTE (long-term evolution), LTE-A (LTE Advance), CDMA (code division multiple access), WCDMA (wideband CDMA), UMTS (universal mobile telecommunications system), WiBro ( It may include a communication module for cellular communication such as Wireless Broadband).
- the user input interface unit 173 may transmit a signal input by the user to the control unit 180 or transmit a signal from the control unit 180 to the user. For example, transmitting/receiving user input signals such as power on/off, channel selection, and screen settings from the remote control device 200, or local keys such as power key, channel key, volume key, and setting value (not shown).
- the user input signal input from the control unit 180 is transmitted to the control unit 180, the user input signal input from the sensor unit (not shown) that senses the user's gesture is transmitted to the control unit 180, or the signal from the control unit 180 is transmitted to the control unit 180. It can be transmitted to the sensor unit.
- the control unit 180 may include at least one processor, and may control the overall operation of the display device 100 using the processor included therein.
- the processor may be a general processor such as a central processing unit (CPU).
- the processor may be a dedicated device such as an ASIC or another hardware-based processor.
- the control unit 180 demultiplexes a stream input through the tuner unit 111, the demodulator 112, the external device interface unit 171, or the network interface unit 172, or processes the demultiplexed signals, Signals for video or audio output can be generated and output.
- the video signal processed by the control unit 180 may be input to the display 150 and displayed as an image corresponding to the video signal. Additionally, the image signal processed by the control unit 180 may be input to an external output device through the external device interface unit 171.
- the voice signal processed by the control unit 180 may be output as sound to the audio output unit 160. Additionally, the voice signal processed by the control unit 180 may be input to an external output device through the external device interface unit 171. Although not shown in FIG. 2, the control unit 180 may include a demultiplexer, an image processor, etc. This will be described later with reference to FIG. 3.
- control unit 180 may control overall operations within the display device 100.
- control unit 180 may control the tuner unit 111 to select (tuning) a broadcast corresponding to a channel selected by the user or a previously stored channel.
- control unit 180 can control the display device 100 by a user command or internal program input through the user input interface unit 173. Meanwhile, the control unit 180 can control the display 150 to display an image. At this time, the image displayed on the display 150 may be a still image or a moving image, and may be a 2D image or a 3D image.
- control unit 180 can cause a certain 2D object to be displayed in the image displayed on the display 150.
- the object may be at least one of a connected web screen (newspaper, magazine, etc.), EPG (Electronic Program Guide), various menus, widgets, icons, still images, videos, and text.
- EPG Electronic Program Guide
- control unit 180 may modulate and/or demodulate the signal using an amplitude shift keying (ASK) method.
- ASK amplitude shift keying
- the amplitude shift keying (ASK) method may refer to a method of modulating a signal by varying the amplitude of the carrier wave according to the data value, or restoring an analog signal to a digital data value according to the amplitude of the carrier wave.
- control unit 180 may modulate an image signal using an amplitude shift keying (ASK) method and transmit it through a wireless communication module.
- ASK amplitude shift keying
- control unit 180 may demodulate and process an image signal received through a wireless communication module using an amplitude shift keying (ASK) method.
- ASK amplitude shift keying
- the display device 100 can easily transmit and receive signals with other video display devices placed adjacent to it, even without using a unique identifier such as a MAC address (Media Access Control Address) or a complex communication protocol such as TCP/IP. You can.
- a unique identifier such as a MAC address (Media Access Control Address) or a complex communication protocol such as TCP/IP.
- the display device 100 may further include a photographing unit (not shown).
- the photography unit can photograph the user.
- the photographing unit can be implemented with one camera, but is not limited to this, and can also be implemented with a plurality of cameras. Meanwhile, the photographing unit may be embedded in the display device 100 on the upper part of the display 150 or may be placed separately. Image information captured by the photographing unit may be input to the control unit 180.
- the control unit 180 may recognize the user's location based on the image captured by the photographing unit. For example, the control unit 180 may determine the distance (z-axis coordinate) between the user and the display device 100. In addition, the control unit 180 may determine the x-axis coordinate and y-axis coordinate within the display 150 corresponding to the user's location.
- the control unit 180 may detect the user's gesture based on each or a combination of images captured from the photographing unit or signals detected from the sensor unit.
- the power supply unit 190 may supply corresponding power throughout the display device 100.
- power can be supplied to the control unit 180, which can be implemented in the form of a system on chip (SOC), the display 150 for displaying images, and the audio output unit 160 for audio output. there is.
- SOC system on chip
- the power supply unit 190 may include a converter (not shown) that converts AC power to DC power and a Dc/Dc converter (not shown) that converts the level of DC power.
- the power supply unit 190 receives power from the outside and serves to distribute power to each component.
- the power supply unit 190 may use a method of supplying AC power by directly connecting to an external power source, and may include a power supply unit 190 that includes a battery and can be used by charging.
- the charging holder can be connected to the display device through a terminal exposed to the outside, or the built-in battery can be charged when approached wirelessly.
- the remote control device 200 may transmit user input to the user input interface unit 173.
- the remote control device 200 may use Bluetooth, Radio Frequency (RF) communication, Infrared Radiation communication, Ultra-wideband (UWB), ZigBee, etc.
- the remote control device 200 may receive video, audio, or data signals output from the user input interface unit 173, and display them or output audio signals on the remote control device 200.
- RF Radio Frequency
- UWB Ultra-wideband
- ZigBee ZigBee
- the above-described display device 100 may be a fixed or mobile digital broadcasting receiver capable of receiving digital broadcasting.
- the block diagram of the display device 100 shown in FIG. 1 is only a block diagram for an embodiment of the present invention, and each component of the block diagram is integrated according to the specifications of the display device 100 that is actually implemented. It may be added or omitted.
- two or more components may be combined into one component, or one component may be subdivided into two or more components.
- the functions performed by each block are for explaining embodiments of the present invention, and the specific operations or devices do not limit the scope of the present invention.
- FIG. 2 is a front perspective view showing an example of a display device.
- the display device 100 of the present invention includes cases 101 and 102 so as to be portable, and the display module 150 is stored in the cases 101 and 102 as shown in (a) of FIG. 2 to be portable, and when used It can be mounted as shown in (b) of Figure 2.
- the cases 101 and 102 may have a box shape like a carrier and are composed of a first case 101 forming one side and a second case 102 forming the other side, and can be carried in a closed state as shown in (a) of Figure 2.
- a handle 103 may be provided for this purpose.
- Components such as the display module 150 and the audio module 160 may be located between the first case 101 and the second case 102.
- the second case 102 is rotatably hinged to one side of the first case 101, and the second case 102 is perpendicular to the first case 101 as shown in (b) of FIG. 2. It can be opened while maintaining its status.
- the display device 100 of the present invention is located between a display module 150 and cases 101 and 102 in which the display module 150 is stored, and between the back of the display module 150 and the cases 101 and 102.
- the display module 150 may include a link 155 that can adjust the position of the display module 150 on the cases 101 and 102.
- It may include legs 105 that are coupled to one side of the cases 101 and 102 so that the display module 150 can be positioned at a predetermined height from the floor, and the legs 105 are formed in a multi-stage format so that the length can be adjusted. You can.
- the legs 105 When carrying, the legs 105 can be stored inside the cases 101 and 102, as shown in (b) of FIG. 3, and when used, they are coupled to the cases 101 and 102, as shown in (b) of FIG. 2. It can be mounted on the floor as shown.
- the display module 150 can be placed upright inside the cases 101 and 102 to face the front, as shown in Figure 2 (a), and its angle and position can be adjusted using the link 155.
- the direction in which the display module 150 faces when the display device 100 is mounted is referred to as the front and the opposite direction is referred to as the rear.
- the second case 102 may be positioned toward the rear of the display module 150.
- Figures 3 to 5 are diagrams illustrating the state according to the position of the display module 150 of the display device 100 of the present invention. (a) is a side view and (b) is a front view.
- the second case 102 is rotated on one side of the first case 101 to form ( It can be opened to be placed vertically as shown in a).
- vertical does not mean exact 90°, but may be determined at an angle between 90° and 100° so that the inner surface of the second case 102 faces the front when the first case 101 is mounted on the floor.
- the display module 150 may be arranged parallel to the first case 101 and located inside the first case 101 and above in the drawing. As shown in FIG. 3, it may have a shape that protrudes slightly upward from the first case 101, and if the second case 102 is formed to be thin, it can be stored inside the first case 101. .
- the audio output unit 160 may be disposed inside the second case 102.
- the audio output unit 160 can provide stereo sound by providing a pair so that the left and right sides are symmetrical.
- FIG. 6 is a diagram illustrating an embodiment of the audio output unit 160 of the display device 100 of the present invention.
- Figure 6 (a) shows the audio output unit 160 located on the right side of the pair of audio output units 160.
- the audio output unit 160 includes a speaker and an acoustic housing 165 that accommodates the speaker.
- the first surface of the acoustic housing 165 is attached to the inner surface of the second case 102, and the second surface is attached to the second case. When opening (102), sound can be output toward the user toward the front.
- the speaker is located on the second surface of the acoustic housing 165, and an opening may be formed on the second surface of the acoustic housing 165 so that the diaphragm of the speaker can face the second surface.
- the audio output unit 160 may include a plurality of speakers 161 and 162. For example, it may be equipped with both a woofer 162 that outputs low sounds and a tweeter 161 that outputs high sounds.
- the control unit 180 of the display device 100 In order to supply power to the speakers 161 and 162 of the audio output unit 160 and transmit sound signals, it must be connected to the control unit 180 of the display device 100, and the connector 164 for connecting to the control unit is used to transmit sound signals. It can be provided on one side of the housing 165.
- the speakers 161 and 162 of the audio output unit 160 on the left may be located biased to the left, and the speakers 161 and 162 of the audio output unit 160 on the right may be located biased to the right.
- the acoustic housing 165 includes a resonance space therein, and the vibration of the speaker diaphragm can be amplified and output in the resonance space.
- a resonance hole 163 through which air can enter and exit for resonance within the resonance space may be formed in the acoustic housing 165.
- the audio output unit 160 is disposed facing the front of the display module 150 when the cases 101 and 102 are closed, so to prevent the display module 150 from being damaged by external impact, an audio housing ( The second surface of 165) may include an elastic portion 167 capable of absorbing shock.
- the elastic portion 167 may be arranged so as not to overlap the speakers 161 and 162, as shown in FIG. 6, and the elastic portion 167a located around the speaker 161 surrounds the speaker 161. It can also be configured as:
- a leg 105 may be provided inside the second case 102.
- the legs 105 can be fastened to the first case 101 so that the cases 101 and 102 can be mounted at a predetermined distance from the floor without a separate stand, as shown in (b) of FIG. 2 .
- the leg 105 When carrying, the leg 105 can be stored in the leg storage device 114 located inside the second case 102, as shown in (b) of FIG. 3. Four can be provided for stable mounting, and the length of the legs 105 can be varied in multiple stages so that they can be stored inside the cases 101 and 102.
- the leg 105 may be accommodated in the first case 101 and may be located between the display module 150 and the first case 101. In this case, it is inconvenient because the legs 105 can be removed from the cases 101 and 102 after the display module 150 is erected as shown in FIG. 4, but the thickness of the second case 102 can be made thin or the size of the audio module can be reduced. It can be configured larger.
- the first case 101 may be provided with a leg fastening part (not shown) on the outer surface, and the leg fastening part is fastened in such a way that the leg 105 extends outward as shown in (b) of FIG. 2.
- the hole may be formed as obliquely as possible.
- the leg fastening part may be fastened using a hook method, or the leg 105 may be fastened through a spiral groove. In the latter case, the fine length of the leg 105 can be adjusted by adjusting the degree of fastening of the spiral.
- FIG. 4 is a diagram illustrating a state in which the display module 150 is vertically positioned in the first case 101 .
- the second case 102 is located on one side of the first case 101, and the display module 150 may be located on the other side of the first case 101 rather than the second case 102.
- the display module 150 may be connected to the first case 101 through a link 155, and both sides of the link 155 are rotatably coupled so that the position and angle of the display module 150 can be freely adjusted. .
- the display module 150 may be arranged to be located in the front direction of the first case 101, as shown in (a) of FIG. 4, or may be arranged to be spaced upward from the first case 101, as shown in (a) of FIG. 5.
- the position of the display module 150 can be adjusted by adjusting the angle of the link 155 as much as possible.
- the display module 150 is located in the front of the second case 102, and there is a problem that the audio module located in the second case 102 is obscured. there is.
- Figure 7 is a diagram showing the direction of sound output from the tweeter 161.
- the low-pitched sound output from the woofer 162 has little directionality, so even if the display module 150 is in front, it does not significantly affect sound transmission.
- the sound above 1 kHz output from the tweeter 161 has a high straight-line nature, so if an obstacle is located in front, it may be reflected and not transmitted forward.
- the sound output from the tweeter 161 is output outward and can be transmitted forward through the open space on the left and right sides of the display module 150. It is possible to provide sound of sufficient output to a user located in front of the display module 150 by being diffracted from the left and right ends.
- the direction of the speaker can be provided at an angle to provide directionality to the sound output from the tweeter 161, but in this case, the size of the audio output unit 160 increases and the thickness of the second case 102 increases. There is.
- the audio output unit 160 of the present invention may further include an acoustic guide 168 that guides the sound of the tweeter 161 to spread toward the left and right ends of the cases 101 and 102.
- Figure 8 is a diagram showing another embodiment of the audio output unit 160 of the display device 100 of the present invention.
- This embodiment includes an acoustic guide 168 formed on the second side of the acoustic housing 165.
- the sound guide 168 may be located outside the second case 102 than the tweeter 161, and may include an inclined surface that protrudes forward toward the end.
- a step 169 may be formed in areas other than where the sound guide 168 is located.
- the elastic portion 167b located around the tweeter 161 may be formed along the step 169 and the acoustic guide 168 so as not to overlap the acoustic guide 168.
- Figure 9 is a diagram showing an example of the acoustic guide 168 of the display device 100 of the present invention.
- a solid inclined surface is also possible as shown in (a) of Figure 9, and a slit 168a is formed as shown in (b). It is also possible to use an inclined surface that is formed and open laterally.
- Figure 10 shows the intensity of the sound output from the tweeter 161 of the display device 100 of the present invention reaching the user, and is a graph showing the ratio of the intensity output and the intensity of the sound perceived by the user by frequency. .
- the tweeter 161 outputs sound in a frequency band of 1 kHz or higher, and that if there is a sound guide 168 around the tweeter 161, performance is improved in the high-pitched frequency band of 7.5 KHz or higher.
- the display device 100 can be easily carried without the need to carry a separate stand or speaker.
- the display device 100 of the present invention can sufficiently transmit sound in a high frequency band to a user located in front of the display device 100 through the sound guide 168.
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- Acoustics & Sound (AREA)
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Abstract
Description
Claims (10)
- 내부공간을 형성하며 결합하는 제1 케이스와 제2 케이스를 포함하는 케이스;상기 케이스의 내부에 위치하는 디스플레이 모듈;상기 제1 케이스와 상기 디스플레이 모듈의 배면 사이에 위치하며 각도가 변화하며 상기 디스플레이 모듈의 위치를 가변하는 링크; 및상기 제2 케이스에 위치하는 오디오 출력부를 포함하고,상기 오디오 출력부는제1 면이 상기 제2 케이스에 결합하는 음향 하우징;상기 음향 하우징의 제2 면에 위치하는 스피커; 및상기 음향 하우징의 상기 제2 면에 형성되며 상기 스피커부터 상기 제2 케이스의 단부로 갈수록 전면방향으로 돌출된 음향 가이드를 포함하는 디스플레이 디바이스.
- 제1항에 있어서,상기 오디오 출력부는 상기 제2 케이스의 수평방향으로 양측에 대칭으로 형성되고,상기 스피커는 상기 제2 케이스의 수평방향 단부에 인접하게 배치되는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 음향 가이드는복수 개의 슬릿을 더 포함하는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 스피커는 1kHz이상의 소리를 출력하는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 음향 하우징의 제2 면에 부착되는 탄성부재를 더 포함하고,상기 탄성부재는 상기 스피커와 상기 음향 가이드 사이에 위치하지 않는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 음향 하우징의 제2 면은상기 음향 가이드가 위치하는 영역을 제외하고 상기 스피커의 둘레에 단차가 형성된 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 오디오 출력부는,상기 음향 하우징 내부에 형성된 공명공간; 및상기 음향 하우징의 일측에 형성된 공명홀을 포함하는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 제2 케이스는 상기 제1 케이스의 일측에서 상기 제1 케이스에 수직방향으로 세워져 열린 상태가 고정되며,상기 디스플레이 모듈은 상기 제1 케이스에서 수직방향으로 세워졌을 때 상기 제2 케이스 보다 타측 방향에 위치하고,상기 스피커는 상기 디스플레이 모듈의 배면을 향하는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 케이스는 일측에 손잡이를 포함하는 것을 특징으로 하는 디스플레이 디바이스.
- 제1항에 있어서,상기 제2 케이스 또는 상기 제1 케이스에 수납되는 복수개의 레그를 포함하고,상기 제1 케이스는 외측에 상기 레그의 단부가 결합하는 레그 체결부를 더 포함하는 것을 특징으로 하는 디스플레이 디바이스.
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CN202280071216.XA CN118140193A (zh) | 2022-07-21 | 2022-07-21 | 便携显示设备 |
PCT/KR2022/010678 WO2024019192A1 (ko) | 2022-07-21 | 2022-07-21 | 휴대용 디스플레이 디바이스 |
KR1020237044252A KR20240013775A (ko) | 2022-07-21 | 2022-07-21 | 휴대용 디스플레이 디바이스 |
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PCT/KR2022/010678 WO2024019192A1 (ko) | 2022-07-21 | 2022-07-21 | 휴대용 디스플레이 디바이스 |
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KR (1) | KR20240013775A (ko) |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08335786A (ja) * | 1995-06-07 | 1996-12-17 | Clarion Co Ltd | スライド収納機器 |
WO1999031649A1 (en) * | 1997-12-17 | 1999-06-24 | Athos Comolatti | Portable microcomputer having two flat screens |
KR20150083247A (ko) * | 2014-01-09 | 2015-07-17 | 박초롱 | 단말기 겸용 가방 |
US20160180831A1 (en) * | 2014-12-23 | 2016-06-23 | Stephen L. Boden | Sound redirecting device for large displays |
CN212391900U (zh) * | 2020-07-28 | 2021-01-22 | 湖南文理学院 | 一种酒店管理教学用多媒体教学装置 |
-
2022
- 2022-07-21 CN CN202280071216.XA patent/CN118140193A/zh active Pending
- 2022-07-21 KR KR1020237044252A patent/KR20240013775A/ko active Search and Examination
- 2022-07-21 WO PCT/KR2022/010678 patent/WO2024019192A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08335786A (ja) * | 1995-06-07 | 1996-12-17 | Clarion Co Ltd | スライド収納機器 |
WO1999031649A1 (en) * | 1997-12-17 | 1999-06-24 | Athos Comolatti | Portable microcomputer having two flat screens |
KR20150083247A (ko) * | 2014-01-09 | 2015-07-17 | 박초롱 | 단말기 겸용 가방 |
US20160180831A1 (en) * | 2014-12-23 | 2016-06-23 | Stephen L. Boden | Sound redirecting device for large displays |
CN212391900U (zh) * | 2020-07-28 | 2021-01-22 | 湖南文理学院 | 一种酒店管理教学用多媒体教学装置 |
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KR20240013775A (ko) | 2024-01-30 |
CN118140193A (zh) | 2024-06-04 |
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