KR20090034108A - Display apparatus and control method of resolution using it - Google Patents

Display apparatus and control method of resolution using it Download PDF

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Publication number
KR20090034108A
KR20090034108A KR1020070099276A KR20070099276A KR20090034108A KR 20090034108 A KR20090034108 A KR 20090034108A KR 1020070099276 A KR1020070099276 A KR 1020070099276A KR 20070099276 A KR20070099276 A KR 20070099276A KR 20090034108 A KR20090034108 A KR 20090034108A
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KR
South Korea
Prior art keywords
resolution
user
information
edid
data
Prior art date
Application number
KR1020070099276A
Other languages
Korean (ko)
Inventor
유승학
Original Assignee
엘지전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020070099276A priority Critical patent/KR20090034108A/en
Publication of KR20090034108A publication Critical patent/KR20090034108A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/4104—Peripherals receiving signals from specially adapted client devices
    • H04N21/4113—PC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/426—Internal components of the client ; Characteristics thereof
    • H04N21/42692—Internal components of the client ; Characteristics thereof for reading from or writing on a volatile storage medium, e.g. Random Access Memory [RAM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

An imaging device to resolution value which is set up by a user and a resolution controlling method are provided to control and change optimum image by using a user interface equipped in an image apparatus. A user interface(13) inputs resolution information signal inputted by menu selection signal for setting resolution information from a user. A storage(14) stores the resolution of the user setting inputted from the external device through the connection port of the user interface or the imaging device. A controller performs control operation due to updating data matched with EDID(Extended Display Identification Data) by using detailed timing about resolution. A display unit(17) outputs and controls resolution of image signal based on EDID data updated by the set up of the user.

Description

VIDEO APPARATUS AND CONTROL METHOD OF RESOLUTION USING IT}

The present invention relates to a video device, and more particularly, to a video device and a resolution control method using the same to display the optimal resolution by the user to change and set the resolution of the video device.

In general, a video apparatus forms an image so that a user can recognize a broadcast signal transmitted from a broadcasting station and a signal transmitted from an external device.

 Such an image device is generally provided with a connection port for receiving a signal input from a computer, which is an external device, to exchange information with a computer through DDC (Display Data Channel) communication. This provides a video signal by transmitting various information about the video device used by the user to a computer so that the computer displays a screen optimized for the video device even if the user does not have knowledge about the video device.

Most of the general users are supported to the extent of the resolution of the video device they use, and little knowledge about which resolution is appropriate for the software they are using. Therefore, even software that requires high resolution screens such as CAD or games does not fully utilize high-performance video devices because users do not have knowledge about resolution and have no ability to directly convert and display the resolution.

However, if the DDC is supported, the video device sends its information (EDID) to the computer, and the computer receives the information and automatically displays the optimal screen within the range supported by the video device no matter what software the user uses. I let you.

However, this method could not realize the optimal resolution by changing and outputting the video signal according to the fixed resolution at the time of manufacturing the video equipment, and the resolution of the video displayed on the computer and the video displayed on the video equipment There was a problem that is different.

The present invention is to solve the above problems, an object of the present invention is to change and adjust the resolution of the video device using an external device connected to the video device or a user interface provided in the video device to display the optimal image The present invention provides an image device and a resolution control method using the same.

In order to achieve the above-described object of the present invention, a method for adjusting a resolution of a video apparatus includes providing resolution information of a user setting when a user selects a resolution setting menu, storing resolution information selected by the user; Updating data matched with Extended Display Identification Data (EDID) to the EDID data by using the selected resolution information and information on the supported resolution; and an image signal at a resolution set by the user based on the updated EDID data. It includes the step of outputting.

Here, the EDID information is stored using the SDRAM, and the step of the user selecting the resolution information is controlled through a user interface provided in the video device or an external device connected to the video device.

At this time, the external device is a computer (PC), the computer is characterized in that the DDC (Display Data Channel) communication with the video device.

In addition, the image apparatus capable of adjusting the resolution to achieve the above object of the present invention, the user interface unit for receiving the resolution information of the user setting, a storage unit for storing the resolution information selected by the user, and the selected resolution information and A control unit which controls resolution data matching EDID (Extended Display Identification Data) to be updated with EDID data using information on the supported resolution, and a display that outputs an image signal at a resolution set by the user based on the updated EDID data. Contains wealth.

Here, the EDID information is stored using the SDRAM, and the resolution information of the user setting may be controlled through an external device connected to the video device.

At this time, the external device is characterized in that the computer (PC).

In addition, the video device further includes an input port for receiving resolution information of a user setting through DDC (Display Data Channel) communication with an external device.

According to the present invention as described above, by using a user interface provided in the external device or the video device connected to the video device by adjusting the fixed resolution value set in the video device has the effect of providing the optimum image desired by the user.

In addition, there is no need to adjust the resolution value for each external device connected to the video device, it is effective to maximize the user's satisfaction by automatically changing to the user's preferred resolution to output the image.

Hereinafter, an accompanying device will be described in detail with reference to an imaging apparatus and a resolution adjusting method using the same according to an embodiment of the present invention.

1 is a block diagram showing the structure of an imaging apparatus according to an embodiment of the present invention.

As shown in FIG. 1, an image device according to an embodiment of the present invention receives an image signal through a DDC communication with a control unit 10 that controls the image device overall, and an external device, and resolution information of a user setting. The input port 18 for receiving an input, an EDID unit 16 for storing analog display EDID information and digital display EDID related information, a user interface unit 13 for receiving resolution information input from a user, and a broadcast signal A tuner 11 for tuning, a signal processor 12 for processing the received signal, and a display 17 for displaying an image received through the tuner 11 or an image input through an external device. .

First, the controller 10 controls the video apparatus as a whole, and in particular, an embodiment of the present invention uses EDID (Extended) by using a detailed value for a resolution value set by a user and a supportable resolution stored in the flash memory 15. Control to update the data matching Display Identification Data).

In the above-described EDID (Extended Display Identification Data), basic display characteristics of the video device are defined.

The user interface unit 13 receives a menu selection signal for setting resolution information and a resolution information signal selected accordingly.

The storage unit 14 stores the resolution information of the user setting input from the external device through the user interface unit 13 or the connection port of the video device.

The display unit 17 adjusts and outputs the resolution of the video signal based on the updated EDID data according to a user setting.

A method of adjusting a resolution according to an embodiment of an imaging apparatus having such a configuration will be described below with reference to FIG. 2.

2 is a flowchart illustrating a method of adjusting a resolution of an imaging apparatus according to an embodiment of the present invention in order.

As shown in FIG. 2, in the method for adjusting the resolution of a video device according to the present invention, when a user selects a resolution setting menu, the resolution information of the user setting is provided, the resolution information selected by the user is stored, and then the selected resolution is selected. The data matching the EDID (Extended Display Identification Data) is updated with the EDID data using the information on the information and the supported resolution.

Then, the resolution of the video device is adjusted based on the updated EDID information.

Referring to the resolution adjustment process according to this method in more detail as follows.

First, a user selects a resolution menu of a user setting through a user interface unit 13 provided in an image device (S100). Then, the controller 10 provides a resolution value of the user setting (S110). For example, a resolution menu that can be supported in a set such as 1366 * 768, 1920 * 1080, 1024 * 768, 720P, 1080I, etc. is displayed.

Thereafter, it is checked whether a selection signal of a specific resolution value is input from the user in the resolution menu provided on the screen (S120).

Then, the resolution information value selected and input by the user is stored in the storage unit 14 (S130).

In this case, the resolution value of the user setting stored in the storage unit 14 may be communicated with an external device connected to an external device connected through an input port of the video device as well as through the user interface unit 13 provided in the video device. Control setting is possible through.

Subsequently, the controller 10 uses the resolution value stored in the storage unit 14 and the information about the supported resolution stored in the flash memory 15 according to a user setting, and the resolution data matching EDID (Extended Display Identification Data). Update to the EDID data (S140).

Thereafter, the controller 10 adjusts the resolution of the input image signal based on the resolution value of the user setting updated in the EDID and displays it on the screen (S150).

Thus, the image output may be provided at a resolution preferred by the consumer without having to control the resolution for each external device connected to the image device.

At this time, since the EDID unit 16 can be updated by the user, it is preferable to use the SDRAM, and the video device of the present invention can be linked through communication with an external device without exchanging resolution information.

Although the preferred embodiments of the present invention have been illustrated and described above, the present invention is not limited to the above-described embodiments, and the present invention is not limited to the above-described embodiments without departing from the spirit of the present invention as claimed in the claims. Of course, any person skilled in the art can make various modifications, and such changes are within the scope of the claims.

1 is a block diagram schematically showing the configuration of an imaging apparatus according to an embodiment of the present invention;

2 is a flowchart illustrating a method of adjusting a resolution of an imaging apparatus according to an embodiment of the present invention in order.

<Description of the symbols for the main parts of the drawings>

10 control unit 11: tuner

12 signal processing unit 13 user interface

14: storage unit 15: flash memory

16: EDID 17: display unit

18: input port

Claims (10)

If the user selects a resolution setting menu, providing resolution information of the user setting; Storing the resolution information selected by the user; Updating data matched with Extended Display Identification Data (EDID) to the EDID data by using the selected resolution information and information on the supported resolution; And And outputting a video signal at a resolution set by the user based on the updated EDID data. The method of claim 1, And the EDID information is stored using an SDRAM. The method of claim 1, The step of selecting resolution information by the user is controlled through a user interface provided in the video device or an external device connected to the video device. The method of claim 3, And the external device is a computer (PC). The method of claim 4, wherein And the computer communicates with a video device with a display data channel (DDC). A user interface to receive resolution information of a user setting; A storage unit which stores the resolution information selected by the user; A control unit for controlling the resolution data matching the Extended Display Identification Data (EDID) to be updated with the EDID data by using the selected resolution information and information on a supportable resolution; And And a display unit configured to output an image signal at a resolution set by the user based on the updated EDID data. The method of claim 6, And the EDID information is stored using SDRAM. The method of claim 6, The resolution information of the user setting is a video device, characterized in that the control can be set through an external device connected to the video device. The method of claim 8, The external device is a video device, characterized in that the computer (PC). The method of claim 6, And an input port configured to receive resolution information of a user setting through DDC (Display Data Channel) communication with the external device.
KR1020070099276A 2007-10-02 2007-10-02 Display apparatus and control method of resolution using it KR20090034108A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101069020B1 (en) * 2009-04-22 2011-09-29 엘지전자 주식회사 Network monitor system and the EDID communicating method
KR101438672B1 (en) * 2013-05-28 2014-09-12 (주)코텍 Method for driving display board
KR20150127415A (en) * 2014-05-07 2015-11-17 엘지전자 주식회사 Digital device and method of processing a service thereof
WO2017026709A1 (en) * 2015-08-12 2017-02-16 삼성전자 주식회사 Method and device for adjusting resolution of electronic device
CN114938472A (en) * 2022-06-28 2022-08-23 北京奇艺世纪科技有限公司 Video playing method and device, electronic equipment and computer readable storage medium
US11475862B2 (en) 2017-07-07 2022-10-18 Hewlett-Packard Development Company, L.P. Selection of an extended display identification data standard

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101069020B1 (en) * 2009-04-22 2011-09-29 엘지전자 주식회사 Network monitor system and the EDID communicating method
KR101438672B1 (en) * 2013-05-28 2014-09-12 (주)코텍 Method for driving display board
KR20150127415A (en) * 2014-05-07 2015-11-17 엘지전자 주식회사 Digital device and method of processing a service thereof
WO2017026709A1 (en) * 2015-08-12 2017-02-16 삼성전자 주식회사 Method and device for adjusting resolution of electronic device
US10692472B2 (en) 2015-08-12 2020-06-23 Samsung Electronics Co., Ltd. Method and device for adjusting resolution of electronic device
US11475862B2 (en) 2017-07-07 2022-10-18 Hewlett-Packard Development Company, L.P. Selection of an extended display identification data standard
CN114938472A (en) * 2022-06-28 2022-08-23 北京奇艺世纪科技有限公司 Video playing method and device, electronic equipment and computer readable storage medium
CN114938472B (en) * 2022-06-28 2023-09-22 北京奇艺世纪科技有限公司 Video playing method and device, electronic equipment and computer readable storage medium

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