Image display device

Abstract

The present invention relates to an image display device. An image display device according to one embodiment disclosed herein comprises: a user input interface unit for receiving a user input; a display unit; and a control unit, wherein, in response to an input received through the user input interface unit, the control unit can set the age of a user on the basis of the setting of a predetermined mode and adjust, on the basis of the age of the user, the luminance of an image output through the display. Various other embodiments are possible.

Description

Video display device

[0001] The present disclosure relates to a video display device.

[0002] A video display device is a device that displays images for the user to view. For example, a video display device may include a television (TV), monitor, or notebook computer equipped with a liquid crystal display (LCD) using liquid crystals or an organic light-emitting diode (OLED) display using organic light-emitting diodes (OLED).

[0003] Meanwhile, the perceived brightness of an image may vary depending on the age or eye condition of the user watching the video. For example, when an image of a given brightness is displayed on a display device, the perceived brightness of the image is higher for a teenage user than for a user in their 60s. In other words, as the user ages, the perceived brightness of the image may decrease due to factors such as decreased retinal transmittance and pupillary constriction caused by aging.

[0004] However, despite the fact that the perceived brightness of an image varies depending on the user's age and eye condition, conventional video display devices output images at a predetermined brightness level based on a preset brightness value, regardless of the user's age. This results in users viewing images with reduced brightness, clarity, and other characteristics, despite the device's performance and functionality.

[0005] The present disclosure aims to solve the above-mentioned and other problems.

[0006] Another object is to provide a display device capable of optimizing the brightness of an image based on the age of the user.

[0007] Another object is to provide an image display device capable of optimizing the brightness of an image based on the wavelength-specific brightness perceived by the user.

[0008] Another purpose is to provide an image display device capable of optimizing the brightness of an image based on the condition of the user's eyes.

[0009] Another purpose is to provide a display device capable of optimizing the brightness of an image having a high dynamic range (HDR).

[0010] In order to achieve the above object, an image display device according to one embodiment of the present disclosure includes a user input interface unit for receiving a user input; a display; and a control unit, wherein the control unit can set the age of the user based on an input received through the user input interface unit based on a setting of a predetermined mode, and adjust the brightness of an image output through the display based on the age of the user.

[0011] The effects of the video display device according to the present disclosure are described as follows.

[0012] According to at least one embodiment of the present disclosure, the brightness of an image can be optimized based on the age of the user.

[0013] According to at least one embodiment of the present disclosure, the brightness of an image can be optimized based on wavelength-specific brightness perceived by a user.

[0014] According to at least one embodiment of the present disclosure, the brightness of an image can be optimized based on the state of the user's eyes.

[0015] According to at least one embodiment of the present disclosure, it is possible to optimize the luminance of an image having a high dynamic range (HDR).

[0016] Further scope of the applicability of the present disclosure will become apparent from the detailed description below. However, since various modifications and variations within the spirit and scope of the present disclosure will become apparent to those skilled in the art, it should be understood that the detailed description and specific examples, such as preferred embodiments of the present disclosure, are given by way of example only.

[0017] FIG. 1 is a diagram illustrating an image display system according to one embodiment of the present disclosure.

[0018] Figure 2 is an internal block diagram of the image display device of Figure 1.

[0019] Figure 3 is an internal block diagram of the control unit of Figure 2.

[0020] Figure 4 is an internal block diagram of the display of Figure 2.

[0021] FIG. 5 is a flowchart of an operation method of an image display device according to one embodiment of the present disclosure.

[0022] FIGS. 6 to 15 are drawings for reference in explaining the operation of a video display device according to one embodiment of the present disclosure.

[0023] Hereinafter, the present disclosure will be described in detail with reference to the drawings. In the drawings, portions irrelevant to the description are omitted to clearly and concisely describe the present disclosure, and the same reference numerals are used for identical or extremely similar portions throughout the specification.

[0024] The suffixes "module" and "part" used in the following description are given solely for the convenience of writing this specification and do not impart any particularly significant meaning or role to the components themselves. Therefore, the terms "module" and "part" may be used interchangeably.

[0025] In this application, terms such as “include” or “have” are intended to specify the presence of a feature, number, step, operation, component, part, or combination thereof described in the specification, but should be understood not to preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0026] Additionally, while terms such as "first" and "second" may be used in this specification to describe various elements, these elements are not limited by these terms. These terms are used only to distinguish one element from another.

[0027] FIG. 1 is a diagram illustrating an image display system according to various embodiments of the present disclosure.

[0028] Referring to FIG. 1, the image display system (10) may include an image display device (100) and / or a remote control device (200).

[0029] The image display device (100) may be a device that processes and outputs an image. The image display device (100) is not particularly limited as long as it can output a screen corresponding to an image signal, such as a TV, a notebook computer, or a monitor.

[0030] The video display device (100) can receive a broadcast signal, process the signal, and output the processed broadcast image. When the video display device (100) receives a broadcast signal, the video display device (100) may correspond to a broadcast receiving device.

[0031] The video display device (100) can receive broadcast signals wirelessly via an antenna, or can receive broadcast signals wired via a cable. For example, the video display device (100) can receive terrestrial broadcast signals, satellite broadcast signals, cable broadcast signals, IPTV (Internet Protocol Television) broadcast signals, etc.

[0032] The remote control device (200) can be connected to the image display device (100) by wire and / or wirelessly, and can provide various control signals to the image display device (100). At this time, the remote control device (200) can include a device that establishes a wired or wireless network with the image display device (100), and transmits various control signals to the image display device (100) through the established network, or receives signals related to various operations processed in the image display device (100) from the image display device (100).

[0033] For example, various input devices such as a mouse, keyboard, space remote control, trackball, joystick, etc. can be used as the remote control device (200). The remote control device (200) can be referred to as an external device, and it is to be noted in advance that external devices and remote control devices can be used interchangeably as needed.

[0034] The video display device (100) can be connected to only a single remote control device (200) or can be connected to two or more remote control devices (200) simultaneously, and can change objects displayed on the screen or adjust the status of the screen based on control signals provided from each remote control device (200).

[0035] Meanwhile, the video display system (10) may further include at least one server (400). The video display device (100) may transmit and receive data with the server (400). For example, the video display device (100) may transmit and receive data with the server (400) via a network such as the Internet.

[0036] The video display device (100) can transmit data related to an operation performed according to a user input to the server (400), and the server (400) can store the data received from the video display device (100).

[0037] Figure 2 is an internal block diagram of the image display device of Figure 1.

[0038] Referring to FIG. 2, the video display device (100) may include a broadcast receiving unit (105), an external device interface unit (130), a network interface unit (135), a storage unit (140), a user input interface unit (150), an input unit (160), a control unit (170), a display (180), an audio output unit (185), and / or a power supply unit (190).

[0039] The broadcast receiving unit (105) may include a tuner unit (110) and a demodulator unit (120).

[0040] Meanwhile, unlike the drawing, the image display device (100) may include only the broadcast reception unit (105) and the external device interface unit (130) among the broadcast reception unit (105), the external device interface unit (130), and the network interface unit (135). That is, the image display device (100) may not include the network interface unit (135).

[0041] The tuner unit (110) can select a broadcast signal corresponding to a channel selected by the user or all previously stored channels among broadcast signals received via an antenna (not shown) or a cable (not shown). The tuner unit (110) can convert the selected broadcast signal into an intermediate frequency signal or a baseband video or audio signal.

[0042] For example, the tuner unit (110) can convert the selected broadcast signal into a digital IF signal (DIF) if it is a digital broadcast signal, and can convert it into an analog baseband video or audio signal (CVBS / SIF) if it is an analog broadcast signal. That is, the tuner unit (110) can process a digital broadcast signal or an analog broadcast signal. The analog baseband video or audio signal (CVBS / SIF) output from the tuner unit (110) can be directly input to the control unit (170).

[0043] Meanwhile, the tuner unit (110) can sequentially select broadcast signals of all broadcast channels stored through the channel memory function among the received broadcast signals and convert them into intermediate frequency signals or baseband video or audio signals.

[0044] Meanwhile, the tuner unit (110) may be equipped with multiple tuners to receive broadcast signals of multiple channels. Alternatively, a single tuner that simultaneously receives broadcast signals of multiple channels is also possible.

[0045] The demodulation unit (120) can perform a demodulation operation by receiving a digital IF signal (DIF) converted by the tuner unit (110).

[0046] The demodulation unit (120) can output a stream signal (TS) after performing demodulation and channel decoding. At this time, the stream signal may be a signal in which a video signal, an audio signal, or a data signal is multiplexed.

[0047] The stream signal output from the demodulation unit (120) can be input to the control unit (170). The control unit (170) can output an image through the display (180) and output an audio through the audio output unit (185) after performing demultiplexing, image / audio signal processing, etc.

[0048] The external device interface unit (130) can transmit or receive data with a connected external device. To this end, the external device interface unit (130) may include an A / V input / output unit (not shown).

[0049] The external device interface unit (130) can be connected to external devices such as a DVD (Digital Versatile Disk), Blu-ray, game device, camera, camcorder, computer (laptop), set-top box, etc., via wired / wireless connection, and can also perform input / output operations with the external devices.

[0050] In addition, the external device interface unit (130) can establish a communication network with various remote control devices (200) as illustrated in FIG. 1, and receive a control signal related to the operation of the image display device (100) from the remote control device (200) or transmit data related to the operation of the image display device (100) to the remote control device (200).

[0051] The A / V input / output unit can receive video and audio signals from an external device. For example, the A / V input / output unit can include an Ethernet terminal, a USB terminal, a CVBS (Composite Video Banking Sync) terminal, a component terminal, an S-video terminal (analog), a DVI (Digital Visual Interface) terminal, an HDMI (High Definition Multimedia Interface) terminal, an MHL (Mobile High-definition Link) terminal, an RGB terminal, a D-SUB terminal, an IEEE 1394 terminal, an SPDIF terminal, a Liquid HD terminal, etc. Digital signals input through these terminals can be transmitted to the control unit (170). At this time, analog signals input through the CVBS terminal and the S-video terminal can be converted into digital signals through an analog-to-digital converter (not shown) and transmitted to the control unit (170).

[0052] The external device interface unit (130) may include a wireless communication unit (not shown) for short-range wireless communication with other electronic devices. Through this wireless communication unit, the external device interface unit (130) can exchange data with an adjacent mobile terminal. For example, in mirroring mode, the external device interface unit (130) may receive device information, running application information, application images, etc. from the mobile terminal.

[0053] The external device interface unit (130) can perform short-range wireless communication using Bluetooth, RFID (Radio Frequency Identification), infrared communication (IrDA, infrared Data Association), UWB (Ultra-Wideband), ZigBee, etc.

[0054] The network interface unit (135) can provide an interface for connecting the video display device (100) to a wired / wireless network including the Internet.

[0055] The network interface unit (135) may include a communication module (not shown) for connection to a wired / wireless network. For example, the network interface unit (135) may include a communication module for WLAN (Wireless LAN) (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed ​​Downlink Packet Access), etc.

[0056] The network interface unit (135) can transmit or receive data to or from other users or other electronic devices via the connected network or another network linked to the connected network.

[0057] The network interface unit (135) can receive web content or data provided by a content provider or network operator. That is, the network interface unit (135) can receive web content such as movies, advertisements, games, VOD, broadcast signals, and other information related thereto provided from a content provider or network provider via a network.

[0058] The network interface unit (135) can receive firmware update information and update files provided by the network operator, and transmit data to the Internet or content provider or network operator.

[0059] The network interface unit (135) can select and receive a desired application from among applications open to the public through a network.

[0060] The storage unit (140) may store programs for signal processing and control within the control unit (170), or may store processed video, audio, or data signals. For example, the storage unit (140) may store application programs designed for the purpose of performing various tasks that can be processed by the control unit (170), and may selectively provide some of the stored application programs upon request from the control unit (170).

[0061] Programs stored in the storage unit (140) are not particularly limited as long as they can be executed by the control unit (170).

[0062] The storage unit (140) may also perform a function for temporarily storing video, audio, or data signals received from an external device through the external device interface unit (130).

[0063] The storage unit (140) can store information about a specific broadcast channel through a channel memory function such as a channel map.

[0064] Although the storage unit (140) of FIG. 2 is provided separately from the control unit (170), the scope of the present disclosure is not limited thereto, and the storage unit (140) may be included within the control unit (170).

[0065] The storage unit (140) may include at least one of volatile memory (e.g., DRAM, SRAM, SDRAM, etc.) or non-volatile memory (e.g., flash memory, hard disk drive (HDD), solid-state drive (SSD), etc.). In various embodiments of the present disclosure, the storage unit (140) and memory may be used interchangeably.

[0066] The user input interface unit (150) can transmit a signal input by the user to the control unit (170) or transmit a signal from the control unit (170) to the user.

[0067] For example, a user input signal such as power on / off, channel selection, screen setting, etc. may be transmitted / received from a remote control device (200), a user input signal input from a local key (not shown) such as a power key, a channel key, a volume key, a setting key, etc. may be transmitted to the control unit (170), a user input signal input from a sensor unit (not shown) that senses a user's gesture may be transmitted to the control unit (170), or a signal from the control unit (170) may be transmitted to the sensor unit.

[0068] The input unit (160) may be provided on one side of the main body of the video display device (100). For example, the input unit (160) may include a touch pad, a physical button, etc.

[0069] The input unit (160) can receive various user commands related to the operation of the video display device (100) and transmit a control signal corresponding to the input command to the control unit (170).

[0070] The input unit (160) may include at least one microphone (not shown) and may receive the user's voice through the microphone.

[0071] The control unit (170) may include at least one processor, and may control the overall operation of the image display device (100) using the processor included therein. Here, the processor may be a general processor such as a central processing unit (CPU). Of course, the processor may be a dedicated device such as an ASIC or another hardware-based processor.

[0072] The control unit (170) can demultiplex a stream input through the tuner unit (110), the demodulator unit (120), the external device interface unit (130), or the network interface unit (135), or process the demultiplexed signals to generate and output a signal for video or audio output.

[0073] The display (180) can generate a driving signal by converting a video signal, data signal, OSD signal, control signal, etc. processed by the control unit (170) or a video signal, data signal, control signal, etc. received from the external device interface unit (130).

[0074] The display (180) may include a display panel (not shown) having a plurality of pixels.

[0075] The plurality of pixels provided on the display panel may have RGB sub-pixels. Alternatively, the plurality of pixels provided on the display panel may have RGBW sub-pixels. The display (180) may convert image signals, data signals, OSD signals, control signals, etc. processed by the control unit (170) to generate driving signals for the plurality of pixels.

[0076] The display (180) can be a PDP (Plasma Display Panel), an LCD (Liquid Crystal Display), an OLED (Organic Light Emitting Diode), a flexible display, etc., and may also be a 3D display. The 3D display (180) can be divided into a glasses-free type and a glasses type.

[0077] Meanwhile, the display (180) is configured as a touch screen and can be used as an input device in addition to an output device.

[0078] The audio output unit (185) receives a signal processed by the control unit (170) and outputs it as voice.

[0079] The image signal processed by the control unit (170) can be input to the display (180) and displayed as an image corresponding to the image signal. In addition, the image signal processed by the control unit (170) can also be input to an external output device through the external device interface unit (130).

[0080] The voice signal processed in the control unit (170) can be output as sound to the audio output unit (185). In addition, the voice signal processed in the control unit (170) can be input to an external output device through the external device interface unit (130).

[0081] Although not shown in FIG. 2, the control unit (170) may include a demultiplexing unit, an image processing unit, etc. This will be described later with reference to FIG. 3.

[0082] In addition, the control unit (170) can control the overall operation within the video display device (100). For example, the control unit (170) can control the tuner unit (110) to select (tune) a broadcast corresponding to a channel selected by the user or a previously stored channel.

[0083] In addition, the control unit (170) can control the image display device (100) by a user command or internal program input through the user input interface unit (150).

[0084] Meanwhile, the control unit (170) can control the display (180) to display an image. At this time, the image displayed on the display (180) may be a still image or a moving image, and may be a 2D image or a 3D image.

[0085] Meanwhile, the control unit (170) can cause a predetermined 2D object to be displayed within an image displayed on the display (180). For example, the object can be at least one of a connected web screen (newspaper, magazine, etc.), an EPG (Electronic Program Guide), various menus, widgets, icons, still images, videos, and text.

[0086] Meanwhile, the image display device (100) may further include a camera (not shown). The camera can capture images of a user. The camera can be implemented with a single camera, but is not limited thereto, and may also be implemented with multiple cameras. Meanwhile, the camera can be embedded in the image display device (100) above the display (180) or can be separately positioned. Image information captured by the camera can be input to the control unit (170).

[0087] The control unit (170) can recognize the user's location based on the image captured by the camera. For example, the control unit (170) can determine the distance (z-axis coordinate) between the user and the image display device (100). In addition, the control unit (170) can determine the x-axis coordinate and y-axis coordinate within the display (180) corresponding to the user's location.

[0088] The control unit (170) can detect the user's gesture based on an image captured from the camera unit, a signal detected from the sensor unit, or a combination thereof.

[0089] The power supply unit (190) can supply power to the entire image display device (100). In particular, it can supply power to a control unit (170) that can be implemented in the form of a system on chip (SOC), a display (180) for image display, and an audio output unit (185) for audio output.

[0090] Specifically, the power supply unit (190) may be equipped with a converter (not shown) that converts AC power into DC power and a Dc / Dc converter (not shown) that converts the level of DC power.

[0091] The remote control device (200) can transmit user input to the user input interface unit (150). To this end, the remote control device (200) can use Bluetooth, RF (Radio Frequency) communication, infrared (Infrared Radiation) communication, UWB (Ultra-wideband), ZigBee, etc. In addition, the remote control device (200) can receive images, voices, or data signals output from the user input interface unit (150) and display or output the same as voice on the remote control device (200).

[0092] Meanwhile, the above-described video display device (100) may be a digital broadcast receiver capable of receiving fixed or mobile digital broadcasts.

[0093] Meanwhile, the block diagram of the image display device (100) illustrated in FIG. 2 is only a block diagram for one embodiment of the present disclosure, and each component of the block diagram may be integrated, added, or omitted depending on the specifications of the image display device (100) actually implemented.

[0094] That is, two or more components may be combined into a single component, or a single component may be subdivided into two or more components, as needed. Furthermore, the functions performed by each block are intended to illustrate embodiments of the present disclosure, and their specific operations or devices do not limit the scope of the present disclosure.

[0095] Figure 3 is an internal block diagram of the control unit of Figure 2.

[0096] Referring to FIG. 3, a control unit (170) according to one embodiment of the present disclosure may include a demultiplexer (310), an image processing unit (320), a processor (330), an OSD generation unit (340), a mixer (345), a frame rate conversion unit (350), and / or a formatter (360). In addition, an audio processing unit (not shown) and a data processing unit (not shown) may be further included.

[0097] The demultiplexer (310) can demultiplex an input stream. For example, when MPEG-2 TS is input, it can be demultiplexed to separate it into video, audio, and data signals, respectively. Here, the stream signal input to the demultiplexer (310) may be a stream signal output from the tuner (110), the demodulator (120), or the external device interface (130).

[0098] The image processing unit (320) can perform image processing of a demultiplexed image signal. To this end, the image processing unit (320) may be equipped with an image decoder (325) and a scaler (335).

[0099] The video decoder (325) can decode a demultiplexed video signal, and the scaler (335) can perform scaling so that the resolution of the decoded video signal can be output on the display (180).

[0100] The video decoder (325) may include decoders of various standards. For example, it may include an MPEG-2, H.264 decoder, a 3D video decoder for color images and depth images, a decoder for multi-view images, etc.

[0101] The processor (330) can control the overall operation within the video display device (100) or the control unit (170). For example, the processor (330) can control the tuner (110) to select (tune) a broadcast corresponding to a channel selected by the user or a pre-stored channel.

[0102] In addition, the processor (330) can control the image display device (100) by a user command or internal program input through the user input interface unit (150).

[0103] Additionally, the processor (330) can perform data transmission control with the network interface unit (135) or the external device interface unit (130).

[0104] Additionally, the processor (330) can control the operation of the demultiplexing unit (310), the image processing unit (320), the OSD generation unit (340), etc. within the control unit (170).

[0105] The OSD generation unit (340) can generate OSD signals based on user input or on its own. For example, based on a user input signal input through the input unit (160), it can generate signals for displaying various information in the form of graphics or text on the screen of the display (180).

[0106] The generated OSD signal may include various data such as the user interface screen of the video display device (100), various menu screens, widgets, icons, etc. In addition, the generated OSD signal may include a 2D object or a 3D object.

[0107] Additionally, the OSD generation unit (340) can generate a pointer that can be displayed on the display (180) based on a pointing signal input from the remote control device (200).

[0108] The OSD generation unit (340) may include a pointing signal processing unit (not shown) that generates a pointer. It is also possible for the pointing signal processing unit (not shown) to be provided separately rather than within the OSD generation unit (240).

[0109] The mixer (345) can mix the OSD signal generated by the OSD generation unit (340) and the decoded image signal processed by the image processing unit (320). The mixed image signal can be provided to the frame rate conversion unit (350).

[0110] The frame rate converter (FRC) (350) can convert the frame rate of an input video. Meanwhile, the frame rate converter (350) can also output the video as is without a separate frame rate conversion.

[0111] The formatter (360) can arrange left-eye image frames and right-eye image frames of a frame rate-converted 3D image. In addition, it can output a synchronization signal (Vsync) for opening the left-eye glasses and right-eye glasses of a 3D viewing device (not shown).

[0112] Meanwhile, the formatter (360) can change the format of the input video signal into a video signal for display on the display (180) and output it.

[0113] Additionally, the formatter (360) can change the format of a 3D video signal. For example, it can change the format to any one of various 3D formats, such as a side-by-side format, a top-down format, a frame sequential format, an interlaced format, and a checker box format.

[0114] Meanwhile, the formatter (360) can also convert a 2D image signal into a 3D image signal. For example, according to a 3D image generation algorithm, an edge or a selectable object can be detected within a 2D image signal, and an object or a selectable object according to the detected edge can be separated and generated as a 3D image signal. At this time, the generated 3D image signal can be separated and aligned into a left-eye image signal (L) and a right-eye image signal (R), as described above.

[0115] Meanwhile, although not shown in the drawing, a 3D processor (not shown) for 3D effect signal processing may be further placed after the formatter (360). This 3D processor may process brightness, tint, and color adjustments of the image signal to improve the 3D effect. For example, it may perform signal processing to make the image clear at a close distance and blurry at a long distance. Meanwhile, the function of this 3D processor may be incorporated into the formatter (360) or incorporated into the image processing unit (320).

[0116] Meanwhile, the audio processing unit (not shown) within the control unit (170) can perform audio processing of the demultiplexed audio signal. For this purpose, the audio processing unit (not shown) can be equipped with various decoders.

[0117] Additionally, the audio processing unit (not shown) within the control unit (170) can process bass, treble, volume control, etc.

[0118] A data processing unit (not shown) within the control unit (170) can perform data processing of a demultiplexed data signal. For example, if the demultiplexed data signal is an encoded data signal, it can be decoded. The encoded data signal may be electronic program guide (EPG) information that includes broadcast information such as the start time and end time of a broadcast program broadcast on each channel.

[0119] Meanwhile, the block diagram of the control unit (170) illustrated in FIG. 3 is only a block diagram for one embodiment of the present disclosure, and each component of the block diagram may be integrated, added, or omitted depending on the specifications of the control unit (170) actually implemented.

[0120] In particular, the frame rate conversion unit (350) and the formatter (360) are not provided within the control unit (170), but may be provided separately, or may be provided separately as one module.

[0121] Figure 4 is an internal block diagram of the display of Figure 2.

[0122] Referring to FIG. 4, the display (180) may include a display panel (210) and a panel driver (230). The display panel (210) may include a plurality of pixels, and the plurality of pixels may be connected to a plurality of gate lines (GL) and data lines (DL) that are arranged to intersect in a matrix form. A plurality of thin film transistors (TFTs) may be arranged at the intersections of the plurality of gate lines (GL) and data lines (DL).

[0123] If the image display device (100) is a liquid crystal display (LCD), the plurality of pixels may include a liquid crystal layer, and if the image display device (100) is an OLED display, the plurality of pixels may include an organic light emitting diode (OLED).

[0124] The panel driving unit (230) can drive the display panel (210) based on control signals and data signals transmitted from the control unit (170). The panel driving unit (230) can include a timing control unit (232), a gate driver (234), and / or a data driver (236).

[0125] The timing control unit (232) can receive control signals, image signals, etc. from the control unit (170). The timing control unit (232) can control the gate driver (234) and / or the data driver (236) in response to the control signals. The timing control unit (232) can rearrange the image signal according to the specifications of the data driver (236) and transmit it to the data driver (236).

[0126] The gate driver (234) and the data driver (236) can supply scanning signals and image signals to the display panel (210) through the gate line (GL) and the data line (DL) under the control of the timing control unit (232).

[0127] Meanwhile, if the image display device (100) is a liquid crystal display (LCD), the image display device (100) may further include a backlight unit (250).

[0128] The backlight unit (250) can supply light to the display panel (210). To this end, the backlight unit (250) can include at least one light source (252) that outputs light, a scan driving unit (254) that controls scanning driving of the light source (252), and / or a light source driving unit (256) that turns the light source (252) on / off.

[0129] The power supply unit (190) can supply a common electrode voltage (Vcom) to the display panel (210) and a gamma voltage to the data driver (236). In addition, it can supply driving power for driving a light source (252) to the backlight unit (250).

[0130] Meanwhile, the data driver (236) may include a plurality of source driver ICs (Source Driver Integrated Circuits) (not shown) corresponding to a plurality of data lines (DL).

[0131] FIG. 5 is a flowchart of an operation method of an image display device according to one embodiment of the present disclosure.

[0132] Referring to FIG. 5, the image display device (100) can, in operation S510, set the image mode to a mode that optimizes the brightness of the image according to the user's age (hereinafter, "senior mode"). For example, the image display device (100) can set the image mode to the senior mode based on receiving an input for setting the senior mode from the remote control device (200) via the external device interface unit (150).

[0133] According to one embodiment, the image display device (100) can set the image mode to senior mode based on an image acquired through a camera included in the photographing unit.

[0134] The image display device (100) can acquire an image of the front of the image display device (100) through a camera. The image display device (100) can determine whether an object corresponding to a person (hereinafter, “person object”) is included in the image acquired through the camera. If a person object is included in the image, the image display device (100) can determine whether the age of the person object falls within a predetermined age range corresponding to the senior mode (e.g., 60s or older). If the age of the person object falls within a predetermined age range corresponding to the senior mode, the image display device (100) can set the image mode to the senior mode.

[0135] The image display device (100) can identify the characteristics of an object included in an image by using data, models, algorithms, etc. that have been learned through machine learning such as deep learning. Here, machine learning means that a computer learns through data without a person directly instructing the computer with logic, and thereby enables the computer to solve problems. Deep learning refers to an artificial intelligence technology that allows a computer to learn on its own like a human by teaching a computer a human way of thinking based on artificial neural networks (ANN). An artificial neural network (ANN) can be implemented in the form of software or in the form of hardware such as a chip. For example, an artificial neural network (ANN) can include various types of algorithms such as a deep neural network (DNN), a convolutional neural network (CNN), a recurrent neural network (RNN), and a deep belief network (DBN).

[0136] Meanwhile, the image display device (100) can transmit an image acquired through a camera to the server (400) through the network interface unit (135). The server (400) can process the image received from the image display device (100) and perform a judgment regarding a human object. The image display device (100) can determine the age range of the human object based on the processing result of the image received from the server (400). Here, the processing result of the image can include whether the image includes a human object, the number of human objects included in the image, the age range of the human object, etc.

[0137] The video display device (100) can set the user's age based on the setting of the senior mode in operation S520. The video display device (100) can set the user's age based on the input received through the user input interface unit (150).

[0138] Referring to Figures 6 and 7, the brightness perceived by a person may vary depending on the wavelength of light. The brightness perceived by a person may decrease as the wavelength of light becomes shorter. This is because the degree to which light penetrates the lens varies depending on the wavelength of light.

[0139] Furthermore, the brightness perceived by a person may vary depending on age. As a user ages, the perceived brightness of light may decrease. The degree to which the perceived brightness decreases may also vary depending on the wavelength of the light. For example, a 65-year-old user may perceive red light as 53% less bright than a 10-year-old user, while green light may be perceived as 59% less bright, and blue light as 74% less bright. In other words, the degree to which the perceived brightness decreases with age may be greater for shorter wavelengths of light.

[0140] The image display device (100) can perform a test (hereinafter, “luminance test”) on the brightness perceived by the user in operation S530. For example, the image display device (100) can output multiple images with different brightnesses through the display (180). In this case, the image display device (100) can output multiple identical images with different brightnesses. Meanwhile, the user can select a preferred image among the multiple images by using a remote control device (200), etc., taking into account the clarity and brightness of the image.

[0141] The image display device (100) can determine a luminance value corresponding to an image selected by a user from among a plurality of images. For example, the image display device (100) can determine a luminance value corresponding to a specific image based on an input for selecting a specific image received from a remote control device (200). Meanwhile, depending on the embodiment, the image display device (100) can output a plurality of images together through a single screen, or can output a plurality of images separately through multiple screens.

[0142] According to one embodiment, the memory (140) of the image display device (100) can store a database for various images. The image display device (100) can determine a luminance range corresponding to the user's age. For example, a representative value of a luminance range corresponding to 55 years of age may exceed a representative value of a luminance range corresponding to 65 years of age. Here, the representative value of the luminance range may include an average value, a median value, a maximum value, etc. of luminance values ​​included in the luminance range. The image display device (100) can determine a plurality of images from the database based on the luminance range corresponding to the user's age. For example, the luminance of a preset number of images output through the display (180) may all be included in a luminance range corresponding to the user's age.

[0143] According to one embodiment, the image display device (100) can perform a luminance test based on the sub-pixels provided in the display panel (210). Hereinafter, it will be described as an example that the display panel (210) has RGB sub-pixels. The image display device (100) can output a first image (800, see FIG. 8) corresponding to red, a second image (900, see FIG. 9) corresponding to green, and a third image (1000, see FIG. 10) corresponding to blue, respectively.

[0144] Referring to FIG. 8, the image display device (100) can output a plurality of first images (801 to 805) having different luminances through the display (180). The image display device (100) can output a plurality of first images (801 to 805) together through a single screen. At this time, the image display device (100) can determine a first image selected by the user from among the plurality of first images (801 to 805) based on an input received from the remote control device (200). The image display device (100) can determine a luminance value corresponding to the first image selected by the user as a luminance value corresponding to the color red.

[0145] Referring to FIG. 9, the image display device (100) can output a plurality of second images (901 to 905) having different luminances through the display (180). The image display device (100) can output a plurality of second images (901 to 905) together through a single screen. At this time, the image display device (100) can determine a second image selected by the user from among the plurality of second images (901 to 905) based on an input received from the remote control device (200). The image display device (100) can determine a luminance value corresponding to the second image selected by the user as a luminance value corresponding to the color green.

[0146] Referring to FIG. 10, the image display device (100) can output a plurality of third images (1001 to 1005) having different luminances through the display (180). The image display device (100) can output a plurality of third images (1001 to 1005) together through a single screen. At this time, the image display device (100) can determine a third image selected by the user from among the plurality of third images (1001 to 1005) based on an input received from the remote control device (200). The image display device (100) can determine a luminance value corresponding to the third image selected by the user as a luminance value corresponding to the color blue.

[0147] The image display device (100) can determine, in operation S540, whether the user's eye condition corresponds to a specific condition. Here, the specific condition may be a condition in which an image of a predetermined brightness is perceived as a bright image, regardless of the user's age. In other words, if the user's eye condition corresponds to a specific condition, the amount of light transmitted to the user's retina may exceed a certain level.

[0148] Referring to Fig. 11, when the light transmittance of the lens is increased through cataract surgery, the amount of light reaching the retina can increase dramatically. That is, a user who has undergone cataract surgery can perceive an image of a given brightness as a brighter image compared to users of the same age who have not undergone cataract surgery. For example, the brightness (1100) of light perceived by a 65-year-old person who has undergone cataract surgery may correspond to the brightness of the eyes of a 10-year-old person. In particular, in the case of light with a short wavelength, for example, blue light, the brightness (1100) of light perceived by a 65-year-old person may exceed the brightness of light perceived by a 10-year-old person. Taking this into account, the image display device (100) can adjust the brightness of the image depending on whether the condition of the user's eyes corresponds to a specific condition.

[0149] The image display device (100), in operation S550, can determine whether the image brightness is set to be automatically adjusted when the user's eye condition does not correspond to a specific condition. For example, the image display device (100) can determine whether the image brightness is set to be automatically adjusted according to a preset setting value. For example, the image display device (100) can output a screen related to adjusting the image brightness through the display (180). At this time, the image display device (100) can determine whether to automatically adjust the image brightness according to an input received from the remote control device (200).

[0150] The image display device (100) can increase the image brightness when set to automatically adjust the image brightness in operation S560. For example, the control unit (170) of the image display device (100) can adjust the gain value of the image signal according to a compensation value corresponding to the user's age. At this time, the display (180) of the image display device (100) can output the image according to the image signal with the adjusted gain value.

[0151] The image display device (100) can increase the brightness of an image according to a compensation value corresponding to the user's age among a plurality of compensation values ​​preset in response to a plurality of ages stored in a memory (140). The compensation value corresponding to age can increase as the user gets older. The greater the compensation value, the greater the degree of increase in the brightness of the image.

[0152] According to one embodiment, the image display device (100) may determine a compensation value based on the difference between a preset reference age and the user's age. The compensation value may increase as the difference between the reference age and the user's age increases. For example, if the user's age is 65 years old and the reference age is set to 45 years old, the image display device (100) may determine a compensation value so that a 65-year-old user perceives the screen brightness in the same way as a 45-year-old user.

[0153] According to one embodiment, the image display device (100) can determine a compensation value corresponding to each sub-pixel provided in the display panel (210). For example, the image display device (100) can determine a first compensation value corresponding to red, a second compensation value corresponding to green, and a third compensation value corresponding to blue, respectively. In this way, when compensation values ​​for adjusting the brightness of an image are determined for each wavelength, the brightness of the screen perceived by the user can be improved without changing the color temperature.

[0154] For example, a 45-year-old user may perceive red light as having a 38% reduced brightness compared to a 10-year-old user, while a 65-year-old user may perceive red light as having a 53% reduced brightness. In other words, a 65-year-old user may perceive red light as having a 25% reduced brightness compared to a 45-year-old user. Accordingly, the image display device (100) may determine a gain value that increases the brightness of red light by 33% as the first compensation value so that a 65-year-old user may perceive the brightness of the screen at the same level as a 45-year-old user.

[0155] Meanwhile, multiple compensation values ​​corresponding to subpixels may differ from each other. Considering that the degree to which a user's perceived brightness decreases with age is greater with shorter wavelengths of light, the second compensation value may exceed the first compensation value, and the third compensation value may exceed the second compensation value.

[0156] For example, a 45-year-old user may perceive blue light as having a 53% reduced brightness compared to a 10-year-old user, while a 65-year-old user may perceive blue light as having a 74% reduced brightness. In other words, a 65-year-old user may perceive blue light as having a 45% reduced brightness compared to a 45-year-old user. Accordingly, the image display device (100) may determine a gain value that increases the brightness of blue light by 80% as the third compensation value so that a 65-year-old user may perceive the brightness of the screen at the same level as a 45-year-old user.

[0157] According to one embodiment, the image display device (100) can adjust the brightness of an image based on the results of a brightness test. The image display device (100) can change a compensation value corresponding to the user's age based on the brightness value determined through the brightness test. At this time, the image display device (100) can increase the compensation value as the brightness value determined through the brightness test increases. For example, the image display device (100) can change the first compensation value, the second compensation value, and the third compensation value based on the brightness values ​​corresponding to red, green, and blue, respectively, determined through the brightness test. Through this, it is possible to compensate for the fact that the degree to which the brightness of an image is perceived differs for each user even if the age group is the same.

[0158] Referring to the drawing reference numeral 1201 of FIG. 12, when the image display device (100) outputs an image with a predetermined brightness, a difference occurs between the brightness (1210, 1220, 1230) of the image output by the image display device (100) and the brightness (1240, 1250, 1260) of the image per wavelength perceived by the user. In addition, the degree to which the brightness of light perceived by the user decreases may vary depending on the wavelength of light. The difference between the brightness (1220) of green light output by the image display device (100) and the brightness (1250) of green light perceived by the user is smaller than the difference between the brightness (1210) of blue light and the brightness (1240) of blue light perceived by the user, and larger than the difference between the brightness (1230) of red light and the brightness (1260) of red light perceived by the user.

[0159] Referring to the drawing reference numeral 1202 of FIG. 12, the image display device (100) can increase the brightness of the image according to a wavelength-specific compensation value corresponding to the user's age. At this time, the difference between the brightness (1210) before compensation and the brightness (1215) after compensation of blue light may be greater than the difference between the brightness (1220) before compensation and the brightness (1225) after compensation of green light, or the difference between the brightness (1230) before compensation and the brightness (1235) after compensation of red light. In addition, the brightness (1245, 1255, 1265) of the light perceived by the user after the brightness of the image is increased may also be improved compared to the brightness (1240, 1250, 1260) of the light perceived by the user before the brightness of the image is increased.

[0160] Referring to FIG. 13, when the image display device (100) outputs an image with a predetermined brightness, an elderly user may view a relatively dark image (1310) (1301). In contrast, when the image display device (100) increases the brightness of the image according to a wavelength-specific compensation value corresponding to the user's age, the elderly user may view a relatively bright image (1320) (1302). Therefore, the elderly user may view an image with improved clarity due to the increased brightness.

[0161] Meanwhile, when the image display device (100) is set to manually adjust the brightness of the image in the S570 operation, the image display device (100) can output a user interface (hereinafter, brightness selection UI) through which the user selects the brightness of the image through the display (180).

[0162] Referring to FIG. 14, the brightness selection UI may include a plurality of images (1410 to 1440). The plurality of images (1410 to 1440) may be predetermined images having different brightnesses.

[0163] According to one embodiment, the luminance of multiple images included in the luminance selection UI may correspond to the user's age and / or the results of a luminance test. For example, one of the multiple images may be a predetermined image (hereinafter, referred to as a reference image) corresponding to an image whose luminance has been automatically adjusted. The remaining images may be predetermined images having a predetermined luminance difference from the reference image.

[0164] The image display device (100) can adjust the brightness of the image according to the brightness selected by the user in operation S580. For example, the image display device (100) can determine the brightness corresponding to the selected image based on an input for selecting one of a plurality of images included in a brightness selection UI received from a remote control device (200). The image display device (100) can adjust the gain value of the image signal based on a compensation value according to the brightness corresponding to the selected image.

[0165] Meanwhile, the image display device (100) can reduce the brightness of the image in operation S590 if the user's eye condition corresponds to a specific state. The image display device (100) can adjust the gain value of the image signal according to a compensation value set in response to the specific state of the eye condition. In this case, the greater the compensation value for the reduction in brightness, the greater the degree of reduction in the brightness of the image.

[0166] The plurality of compensation values ​​corresponding to the sub-pixels may be different from each other. In this case, considering that the shorter the wavelength of light, the lower the brightness of light perceived by a person when the eye condition does not correspond to a specific state, the second compensation value may exceed the first compensation value, and the third compensation value may exceed the second compensation value. Through this, as the brightness of the image output from the image display device (100) is adjusted, a user whose eye condition corresponds to a specific state can perceive the brightness of the image in the same way as a person who does not correspond to the specific state.

[0167] The image display device (100) can determine a compensation value based on the results of a luminance test. At this time, the image display device (100) can decrease the compensation value as the luminance value determined through the luminance test increases. For example, the image display device (100) can change the first compensation value, the second compensation value, and the third compensation value based on the luminance values ​​corresponding to red, green, and blue, respectively, determined through the luminance test. Through this, it is possible to compensate for the fact that the degree to which the brightness of an image is perceived differs for each user even if the eye condition corresponds to a specific condition.

[0168] According to one embodiment, the image display device (100) can adjust the brightness of the image depending on whether an image having a high dynamic range (HDR) (hereinafter, HDR image) is output through the display (180). Here, the dynamic range includes a contrast ratio, and may indicate whether the difference between two colors in the image can be expressed naturally as in reality with a large shade difference. For example, the image display device (100) can determine whether the image to be output is an image having a high dynamic range (HDR). For example, the image display device (100) can determine whether a mode for outputting an image having a high dynamic range (HDR) (hereinafter, HDR mode) is set. At this time, the image display device (100) can adjust the brightness of the image when the image signal is an image having a high dynamic range (HDR) and / or when the HDR mode is set.

[0169] Figure 15 is a diagram showing an example of a luminance curve that shows luminance by wavelength compared to the average luminance level (Average Picture level, APL).

[0170] Referring to FIG. 15, when the image display device (100) outputs an image having a high dynamic range (HDR), the higher the APL of the image, the lower the peak luminance of the image, and the smaller the APL, the higher the peak luminance of the image.

[0171] Meanwhile, when comparing the first luminance curve (1501) when the senior mode is disabled and the second luminance curve (1502) when the senior mode is enabled, the difference between the two luminance curves (1501, 1502) is small when the APL is large, whereas the difference between the two luminance curves (1501, 1502) may be large when the APL is small. In addition, the difference between the two luminance curves (1501, 1502) may increase as the APL is smaller. That is, when the senior mode is enabled, compared to when the senior mode is disabled, the effect of the high dynamic range (HDR) can be maximized by further increasing the peak luminance when the APL is small. In addition, even when the senior mode is enabled, the peak luminance is increased only when the APL is small, so that the increase in power consumption can be minimized.

[0172] According to one embodiment, when the senior mode is set, the degree to which the peak luminance increases compared to when the senior mode is released may vary depending on the wavelength of the light. At this time, the shorter the wavelength of the light, the greater the degree to which the peak luminance increases. For example, the luminance difference between blue (1530, 1535) may be greater than the luminance difference between red (1510, 1515), the luminance difference between green (1520, 1525), and the luminance difference between blue (1530, 1535). In addition, the luminance difference between red (1510, 1515) may be less than the luminance difference between green (1520, 1525).

[0173] As described above, according to various embodiments of the present disclosure, the brightness of an image can be optimized based on the age of the user.

[0174] Additionally, according to various embodiments of the present disclosure, the brightness of an image can be optimized based on the wavelength-specific brightness perceived by the user.

[0175] Additionally, according to various embodiments of the present disclosure, the brightness of an image can be optimized based on the state of the user's eyes.

[0176] Additionally, according to various embodiments of the present disclosure, the luminance of an image having a high dynamic range (HDR) can be optimized.

[0177] Referring to FIGS. 1 to 15, an image display device (100) according to one aspect of the present disclosure includes a user input interface unit (130) for receiving a user input; a display (180); and a control unit (170). The control unit (170) can set the age of a user based on an input received through the user input interface unit (130) based on a setting of a predetermined mode, and can adjust the brightness of an image output through the display (180) based on the age of the user.

[0178] In addition, according to one aspect of the present disclosure, the control unit (170) determines a first compensation value corresponding to red, a second compensation value corresponding to green, and a third compensation value corresponding to blue based on the age of the user, and adjusts the brightness of the image based on the first compensation value, the second compensation value, and the third compensation value, and the first compensation value, the second compensation value, and the third compensation value may be different from each other.

[0179] Additionally, according to one aspect of the present disclosure, the second compensation value may exceed the first compensation value, and the third compensation value may exceed the second compensation value.

[0180] Additionally, according to one aspect of the present disclosure, as the difference between the preset reference age and the age of the user increases, the first compensation value, the second compensation value, and the third compensation value may increase.

[0181] In addition, according to one aspect of the present disclosure, the control unit (170) may set the state of the user's eyes based on an input received through the user input interface unit (130), increase the brightness of the image based on the state of the user's eyes being a first state, and decrease the brightness of the image based on the state of the user's eyes being a second state.

[0182] In addition, according to one aspect of the present disclosure, the control unit (170) can output a plurality of images having different brightnesses through the display (180), determine a brightness value corresponding to an image selected by the user among the plurality of images, and adjust the brightness of an image output through the display (180) according to the age of the user and the determined brightness value.

[0183] In addition, according to one aspect of the present disclosure, the control unit (170) outputs, through the display (180), a plurality of first images corresponding to red, a plurality of second images corresponding to green, and a plurality of third images corresponding to blue, each having different luminances, and determines a first luminance value corresponding to a first image selected by the user from among the plurality of first images, a second luminance value corresponding to a second image selected by the user from among the plurality of second images, and a third luminance value corresponding to a third image selected by the user from among the plurality of third images, and adjusts the luminance of an image output through the display (180) according to the age of the user, the first luminance value, the second luminance value, and the third luminance value.

[0184] In addition, according to one aspect of the present disclosure, a memory (140) for storing a database of images is further included, and the control unit (170) can determine the plurality of images from the database based on a luminance range corresponding to the age of the user.

[0185] In addition, according to one aspect of the present disclosure, when the control unit (170) outputs the image as a predetermined image having a high dynamic range (HDR), it can calculate an average brightness level (Average Picture level, APL) of the image and adjust the brightness of the image based on the calculated average brightness level and the age of the user.

[0186] Additionally, according to one aspect of the present disclosure, a difference between a first peak luminance for the image when the predetermined mode is set and a second peak luminance for the image when the predetermined mode is released may increase as the average luminance level decreases.

[0187] In addition, according to one aspect of the present disclosure, when the control unit (170) is set to automatically adjust the brightness of the image, the control unit (170) adjusts the brightness of the image based on a preset compensation value corresponding to the age of the user, and when the control unit (170) is set to manually adjust the brightness of the image, the control unit outputs a plurality of images corresponding to the age of the user, and adjusts the brightness of the image based on a compensation value corresponding to an image selected by the user from among the plurality of images, and the plurality of images may be predetermined images having different brightnesses from each other.

[0188] In addition, according to one aspect of the present disclosure, the camera is further included, and the control unit (170) determines whether the age of the human object is included in a predetermined age group corresponding to the predetermined mode when the image acquired through the camera includes a human object, and if the age of the human object is included in the predetermined age group, the predetermined mode can be set.

[0189] In addition, according to one aspect of the present disclosure, the system further includes a network interface unit that communicates with a server, and the control unit (170) transmits an image acquired through the camera to the server, and determines the age range of the human object based on a processing result for the image received from the server.

[0190] The attached drawings are only intended to facilitate understanding of the embodiments disclosed in this specification, and the technical ideas disclosed in this specification are not limited by the attached drawings, and should be understood to include all modifications, equivalents, or substitutes included in the spirit and technical scope of the present disclosure.

[0191] Meanwhile, the operating method of the present disclosure can be implemented as processor-readable code on a processor-readable recording medium. A processor-readable recording medium includes all types of recording devices that store data that can be read by a processor. Examples of processor-readable recording media include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage devices, etc., and also include those implemented in the form of a carrier wave, such as transmission via the Internet. Furthermore, the processor-readable recording medium can be distributed across network-connected computer systems, so that the processor-readable code can be stored and executed in a distributed manner.

[0192] In addition, although the preferred embodiments of the present disclosure have been illustrated and described above, the present disclosure is not limited to the specific embodiments described above, and various modifications may be made by a person having ordinary skill in the art to which the present invention pertains without departing from the gist of the present disclosure as claimed in the claims, and such modifications should not be understood individually from the technical idea or prospect of the present disclosure.

Claims

1. User input interface section for receiving user input; display; and Including a control unit, The above control unit, Based on the settings of the given mode, the user's age is set according to the input received through the user input interface unit, An image display device characterized in that the brightness of an image output through the display is adjusted based on the age of the user.

2. In paragraph 1, The above control unit, Based on the age of the user, a first compensation value corresponding to red, a second compensation value corresponding to green, and a third compensation value corresponding to blue are determined, Based on the first compensation value, the second compensation value, and the third compensation value, the brightness of the image is adjusted, An image display device characterized in that the first compensation value, the second compensation value, and the third compensation value are different from each other.

3. In paragraph 2, The above second compensation value exceeds the above first compensation value, An image display device characterized in that the third compensation value exceeds the second compensation value.

4. In paragraph 2, An image display device characterized in that the first compensation value, the second compensation value, and the third compensation value increase as the difference between the preset reference age and the user's age increases.

5. In paragraph 1, The above control unit, Based on the input received through the user input interface unit, the state of the user's eyes is set, Based on the state of the user's eyes being the first state, the brightness of the image is increased, An image display device characterized in that the brightness of the image is reduced based on the state of the user's eyes being in the second state.

6. In paragraph 1, The above control unit, Through the above display, multiple images with different brightness are output, Determine the luminance value corresponding to the image selected by the user among the plurality of images, An image display device characterized in that the brightness of an image output through the display is adjusted according to the age of the user and the determined brightness value.

7. In paragraph 6, The above control unit, Through the above display, a plurality of first images corresponding to red, a plurality of second images corresponding to green, and a plurality of third images corresponding to blue, each having different luminance, are output, Determine a first luminance value corresponding to a first image selected by the user from among the plurality of first images, a second luminance value corresponding to a second image selected by the user from among the plurality of second images, and a third luminance value corresponding to a third image selected by the user from among the plurality of third images; An image display device characterized in that the brightness of an image output through the display is adjusted according to the user's age, the first brightness value, the second brightness value, and the third brightness value.

8. In paragraph 6, It further includes memory to store a database of images, The above control unit, An image display device characterized in that the plurality of images are determined from the database based on a luminance range corresponding to the age of the user.

9. In paragraph 1, The above control unit, When the above image is output as a predetermined image with a high dynamic range (HDR), the average brightness level (Average Picture level, APL) of the image is calculated, An image display device characterized in that the brightness of the image is adjusted based on the average brightness level calculated above and the age of the user.

10. In paragraph 9, An image display device characterized in that the difference between the first peak luminance of the image when the predetermined mode is set and the second peak luminance of the image when the predetermined mode is released increases as the average luminance level decreases.

11. In paragraph 1, The above control unit, When the brightness of the image is set to be automatically adjusted, the brightness of the image is adjusted based on a preset compensation value corresponding to the age of the user, When the brightness of the above image is set to be manually adjusted, multiple images corresponding to the user's age are output, Adjusting the brightness of the image based on a compensation value corresponding to an image selected by the user among the plurality of images; An image display device characterized in that the plurality of images are predetermined images having different brightnesses.

12. In paragraph 1, Including more cameras, The above control unit, If the image acquired through the above camera includes a human object, it is determined whether the age of the human object falls within a predetermined age range corresponding to the predetermined mode, An image display device characterized in that the predetermined mode is set when the age of the human object falls within the predetermined age range.

13. In paragraph 12, Further comprising a network interface section for communicating with the server, The above control unit, Transmit the image acquired through the above camera to the above server, An image display device characterized in that the age range of the human object is determined based on the processing result of the image received from the server.

Images