KR100808170B1 - Display device and method for controlling auto power-on thereof - Google Patents

Abstract

The present invention relates to a video device and a method for automatically turning on the video device to detect the illuminance around the video device to automatically turn on, while automatically adjusting the brightness, contrast and ABL, etc. of the video device according to the illumination. As described above, the present invention provides a tuner unit for tuning a broadcast signal, an image decoder for decoding the tuned broadcast signal, brightness, contrast, and output strength for an ABL (Auto Beam Limit) for the image decoded in the image decoder. The image driving unit for adjusting, the display unit for displaying the image, the illumination sensing sensor for detecting the illumination intensity and generating the corresponding data, and automatically powers on the image device at the time of automatic power-on schedule set by the user of the image device. And a controller configured to control the maximum output for at least one of brightness, contrast, and ABL of an image displayed on the display unit through the image driver to correspond to the illuminance data detected by the illuminance sensor. It provides a video device characterized in that the configuration. Therefore, according to the present invention, the brightness of the video device is adjusted according to the illuminance around the video device detected by the video device, thereby eliminating the inconvenience of the user due to the sudden screen turning on.

Auto-on, ambient brightness

Description

Image device and method for controlling auto power-on

1 is a flowchart illustrating a method for automatically turning on an image apparatus according to the related art.

2 is a block diagram illustrating a video device according to the present invention.

3 is a flowchart illustrating a method for automatically turning on an image apparatus according to the present invention.

Explanation of symbols on the main parts of the drawings

10: tuner unit 20: video decoding unit

30: image driver 40: display unit

50: illuminance detection sensing unit 60: control unit

The present invention relates to an image device, and more particularly, to detect an illuminance around an image device in a video device that can be automatically turned on and to automatically adjust the brightness, contrast, and ABL of the image device according to the illumination, and to automatically turn on the image device. On control method.

After color TV broadcasting, stereo sound, remote control device, subtitle broadcasting, data broadcasting, etc. have adopted some digital technologies.In the 1990s, computer and network technologies became more rapidly spreading, so that the broadcasting field would be able to realize high definition and multifunctionality of TV. Pursuit of digital TV (DTV).

Broadcasting is a mass media that targets an unspecified number, which is advantageous because it can be compressed like computer data compression because all elements (video, audio, data) are treated digitally. In addition, digital signal processing of video and audio becomes digital data information, and additional data can be added and sent.

Therefore, it is possible to transmit one program of HDTV class and three or more programs of SDTV class to one channel, and to enjoy a much clearer screen by digitally transmitting and processing signals. The ghost phenomenon can be solved on its own, and radio waves reflected by obstacles can be solved on their own.

In addition to the advanced features, such as a basic setting is the auto-on by scheduled settings.

The automatic on by the reservation setting is used to improve the user's convenience by using the alarm or turning on automatically at a set time after scheduling a broadcast of a specific channel.

Hereinafter, a method of automatically turning on an image apparatus according to the prior art will be described with reference to the accompanying drawings.

1 is a flowchart illustrating a method of automatically turning on an image apparatus according to the prior art.

The automatic power on control method of a video device according to the prior art sets a time when a user arbitrarily sets a power on reservation function so that when the user goes out of the house to empty the house or for some other reason, the video device can not watch It is to prevent the unnecessary power consumption by the reserved power on function by selectively executing the TV power on reservation function according to whether there is a person around. To this end, the prior art uses a human body sensor such as a temperature sensor.

In more detail, when a user uses an on-screen display (OSD) of a menu screen on a display unit by using a local key (key matrix) included in a remote control or a TV set, and sets an ON time on the OSD screen, In step S1, it is determined whether a reservation key is input.

As a result of the determination (S1), when the ON reservation key is input, the controller recognizes that the ON reservation mode is set and performs a time count (S2).

Subsequently, it is determined whether the time coincides by comparing the ON time set by the user with the current time (S3).

If the determination result (S3) time is matched, the human body presence / non-detection signal is read through a human body sensor such as a temperature sensor (S4).

It is determined whether there is a human body according to the sensor detection result (S5).

Judgment result (S5) If it is determined that the human body is present immediately turns on the power of the video device to execute the reservation on (S7).

However, if it is determined that there is no human body (S5), it is determined whether the state continues for a predetermined time again without executing the ON reservation (S6).

Judgment result (S6) If no human body detection signal is maintained for a predetermined time, the ON reservation is not executed, and if no human body detection signal is maintained for a predetermined time (if a human body is detected), the ON reservation is executed (S7).

However, such a method for automatically turning on a video device according to the related art detects a human body at a set time, and in particular, when a bright screen is suddenly displayed in a dark state, the user may feel uncomfortable, such as glare, or the surroundings for a while. There was a problem that can not recognize other objects.

The present invention has been made to solve the above-mentioned problems of the prior art, the present invention is to detect the brightness of the video device around the illumination device in the automatic device can be scheduled to turn on to the brightness, contrast and ABL of the video device detected It is an object of the present invention to provide a video device and its automatic on control method to automatically turn on according to.

In order to achieve the above object, the present invention provides a tuner unit for tuning a broadcast signal, an image decoder for decoding the tuned broadcast signal, brightness, contrast, and ABL (Auto Beam Limit) for the image decoded in the video decoder. The image driver for adjusting the output intensity, the display unit for displaying the image, the illuminance sensing sensor for detecting illuminance and generating data corresponding thereto, and the image device at an auto-on reservation time set by the user of the image apparatus. Is automatically turned on, and the maximum output power is set for at least one of brightness, contrast, and ABL of the image displayed on the display through the image driver in response to the illumination data detected by the illumination sensing sensor. It provides a video device characterized in that it comprises a control unit for controlling to.

Here, the control unit preferably controls one or more of the brightness, contrast, and ABL to be the maximum output after a longer time than when the illumination data is low when the illumination data is low.

And when at least one of the brightness, contrast and ABL becomes the maximum output, it is preferable to increase linearly in proportion to the set time.

In order to achieve the above object, the present invention includes the step of turning on the power of the video device when the set time of automatic power-on scheduled, sensing the illuminance data in the illumination detection sensor of the video device when the illumination detection is set, the sensed And automatically outputting a maximum output for a predetermined time with respect to at least one of brightness, contrast, and ABL of the image displayed on the display unit of the image device according to the ambient illuminance sensing result. Provide a control method.

Here, when the sensed illuminance data is low, it is preferable to control such that at least one of the brightness, contrast, and ABL becomes the maximum output after a longer time than when the illuminance data is high.

The sensed illuminance data is composed of one or more first illuminance data of less than one lux, second illuminance data of three to six lux, and one of third illuminance data of more than 15 lux, and the sensed first to third sensations. It is preferable to control the maximum output for a predetermined time with respect to at least one of brightness, contrast, and ABL of the image during the first to third set times corresponding to the illuminance data.

Therefore, according to the present invention, when the video device capable of automatic power-on reservation is turned on, the user can watch the video device in a comfortable state by turning on the appropriate brightness according to the ambient brightness.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2 is a block diagram illustrating a video device according to the present invention.

The imaging apparatus according to the present invention includes a tuner unit 10, an image decoder 20, an image driver 30, a display unit 40, an illumination intensity sensing unit 50, and a controller 60.

Here, the tuner unit 10 tunes a broadcast signal.

The video decoder 20 decodes the tuned broadcast signal in the form of a transport stream.

The image driver 30 performs scaling or deflection processing (when the display unit 40 is CRT or CDT) for the image decoded by the image decoder 20, and displays the display unit according to a control command from the controller 60. An output intensity adjustment of one or more of brightness, contrast, and ABL (Auto Beam Limit) is performed on the image to be displayed at 40.

The display unit 40 displays an image.

The illuminance detection sensing unit 50 detects illuminance around the image apparatus and transmits data corresponding to the illuminance to the controller 60.

The controller 60 automatically turns on and turns on the image device at the auto turn-on time set by the user, and displays the image displayed on the display 40 in response to the illumination data sensed by the illumination detection sensor 50. Control the output to be at the maximum (100%) set for a set time for one or more of Brightness, Contrast and ABL. At this time, if the detected illuminance data is bright compared to the dark case, the output is faster than 100%. In other words, if the time set by the user is morning (for example, 7 o'clock), the illuminance of the room or living room may be different depending on the season. In order to brighten it slowly, and bright (for example, summer), it is possible to prevent glare of the user even if it brightens faster than dark. Brightness, contrast and ABL will also be more effective if they are to be increased linearly with time.

In this case, for example, in the case of a general house, a very dark illuminance (lux) that is inconvenient to live in is called an illuminance of less than one lux (brightness of one candle) (a first illuminance state), and is otherwise suitable for living. In general, illuminance that is not inconvenient to live in is referred to as illuminance of 15 to 30 lux (third illuminance) in the bedroom, and 60 to 150 lux (included in the third illuminance) in the living room. When the dark illuminance that is halfway between the first illuminance state and the third illuminance state is called illuminance of 3 to 6 lux (second illuminance state), the illuminance around the current video device is compared to the second illuminance state in the first illuminance state. Set the brightness, contrast, and ABL status to slowly 100% output. That is, the brightness of the screen, the contrast and the output state of the ABL are adjusted to match the ambient brightness.

In addition, when the illuminance around the video device corresponds to the second illuminance state (3 to 6 lux), the brightness, contrast, and ABL of the screen are slowly set to 100% output state compared to the third illuminance state.

For example, in the case of the first illuminance state, the first set time (for example, about 11 to 15 minutes), and in the case of the second illuminance state, the second set time which is relatively shorter than the first set time (for example, 6 to 10 minutes), and in the case of the third illuminance state, the third setting time (60 seconds to 5 minutes) is relatively shorter than the second setting time.

Accordingly, the control unit 60 counts the set auto-on time and turns on the power of the video device when the set time is reached, and displays the state of the screen of the video device according to the illumination information sensed by the illumination sensing sensor 50. 30) to adjust one or more of brightness, contrast and ABL to have 100% output for the set time.

And such an example is only one embodiment, it can be modified in various ways according to the experiment or field experience, such modifications will be easy to those skilled in the art.

3 is a flowchart illustrating a method of automatically turning on an image apparatus according to the present invention.

In the method of controlling the automatic turning on of the video apparatus according to the present invention, the controller of the imaging apparatus determines whether the automatic turning on of the imaging apparatus is set (S10).

As a result of the determination (S10), if the automatic power-on reservation of the video device is set, the control unit counts the power-on time (S20), and turns on the power of the video device when the set automatic power-on time is reached (Power-on) (S30).

Then, it is determined whether the brightness (illuminance) detection is set (S40).

As a result of determination (S40), if the brightness detection is set, the peripheral illumination of the image device is sensed through the illumination detection sensor 50 (S50).

When the illuminance detected by the video device according to the sensing result (S50) or the ambient light detection result of the image device is in the first illuminance state, the screen brightness (brightness, Contrast, ABL) is output at 100% (S60).

However, if the sensing result (S50), the detected illuminance in the second illuminance state, the screen brightness (brightness, contrast, ABL) at the second set time (for example, about 6 to 10 minutes) relatively shorter than the first set time. ) At 100% (S70).

In the sensing result S50, when the detected illuminance is in the third illuminance state, the screen brightness (brightness, contrast, and the like) may be set at a third setting time (for example, about 60 seconds to about 5 minutes) that is relatively shorter than the second setting time. ABL) is output at 100% (S80).

Although not shown in the drawing, when a user inputs a control random control command through a remote controller or a local key, the control command is executed and at the same time, the user sees that the user is in a perfect weather condition and displays the brightness (brightness, contrast, ABL) output of the image. You can print at 100%.

As described above, in the video apparatus of the present invention and the automatic on control method thereof, when the viewer sets the automatic on of the video apparatus according to the seasonal illumination or the curtain, the indoor illumination of the time set by the user is different. The brightness, contrast, and ABL of the video device are adjusted according to the illuminance of the room in which the room is located.

It will be appreciated by those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the present invention.

Therefore, the technical scope of the present invention should not be limited to the contents described in the embodiments, but should be defined by the claims.

Claims (6)

A tuner unit for tuning a broadcast signal; A video decoder which decodes the tuned broadcast signal; An image driver configured to adjust brightness, contrast, and output intensity of an ABL (Auto Beam Limit) for the image decoded by the image decoder; A display unit which displays the image; An illumination sensing sensor configured to sense illumination and generate data corresponding to the detected illumination; Automatically turn on the power of the image device at the time of automatic power-on schedule set by the user, and at least one of brightness, contrast, and ABL of the image displayed on the display through the image driver increases linearly for a preset time. Control to control the maximum output Including, And the predetermined time is set in correspondence with the illumination data sensed by the illumination detection sensor. The method of claim 1, And the predetermined time is set in proportion to the size of the illuminance data. delete Turning on the power of the video device when the set time of the automatic power-on schedule is reached; Sensing the illuminance by the illuminance detecting unit of the imaging apparatus when illuminance detection is set; And At least one of brightness, contrast, and ABL (Auto Beam Limit) of an image displayed on a display unit of the image apparatus according to the sensed illuminance data increases linearly for a predetermined time to output maximum output Including, The predetermined time is automatically turned on in response to the illumination data sensed by the illumination sensing sensor. The method of claim 4, wherein And the predetermined time is set in proportion to the size of the illuminance data. The method of claim 4, wherein The sensed illuminance data is composed of first illuminance data of 1 lux or less, data of one of 3 to 6 lux second illuminance data and 15 or more lux third illuminance data, And the preset time is set to first to third set times corresponding to the sensed first to third illuminance data, respectively.

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