WO2010122633A1 - Dispositif de moniteur à cristaux liquides, système de moniteur à cristaux liquides, et procédé pour commander le dispositif de moniteur à cristaux liquides - Google Patents

Dispositif de moniteur à cristaux liquides, système de moniteur à cristaux liquides, et procédé pour commander le dispositif de moniteur à cristaux liquides Download PDF

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Publication number
WO2010122633A1
WO2010122633A1 PCT/JP2009/057877 JP2009057877W WO2010122633A1 WO 2010122633 A1 WO2010122633 A1 WO 2010122633A1 JP 2009057877 W JP2009057877 W JP 2009057877W WO 2010122633 A1 WO2010122633 A1 WO 2010122633A1
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WO
WIPO (PCT)
Prior art keywords
temperature
liquid crystal
crystal monitor
monitor device
unit
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Application number
PCT/JP2009/057877
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English (en)
Japanese (ja)
Inventor
良彦 池本
Original Assignee
Ｎｅｃディスプレイソリューションズ株式会社
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.)
Filing date
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Application filed by Ｎｅｃディスプレイソリューションズ株式会社 filed Critical Ｎｅｃディスプレイソリューションズ株式会社
Priority to JP2011510110A priority Critical patent/JP5182736B2/ja
Priority to PCT/JP2009/057877 priority patent/WO2010122633A1/fr
Publication of WO2010122633A1 publication Critical patent/WO2010122633A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G06F3/1446—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display display composed of modules, e.g. video walls
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/02—Improving the quality of display appearance
    • G09G2320/0233—Improving the luminance or brightness uniformity across the screen
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/04—Maintaining the quality of display appearance
    • G09G2320/041—Temperature compensation
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2320/00—Control of display operating conditions
    • G09G2320/06—Adjustment of display parameters
    • G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature

Definitions

  • the present invention relates to a liquid crystal monitor device, a liquid crystal monitor system, and a control method for the liquid crystal monitor device in a display system in which a plurality of monitor devices are installed to perform multi-display.
  • An LCD (Liquid Crystal Display) panel is used as a single monitor, but is also used when two or more computers are connected to perform multi-display. Even if these LCD panels are the same model, there may be some variation in performance, and there may be a difference in color temperature or the like depending on the environment used. Therefore, even in a display mode for performing multi-display, for example, 3 ⁇ 3 9-plane multi, etc., with 3 columns in the vertical direction and 3 columns in the horizontal direction, there is a difference in luminance or color temperature between the monitors. It is required to display so that it disappears. For example, in Patent Document 1 below, control is performed so that each monitor has the same color temperature by managing the color temperature data of the other monitor from a plurality of monitors.
  • the panel ambient temperature has a temperature difference between a cold start and a temperature saturation. Due to this temperature difference, a change in luminance level and a change in color temperature appear on the LCD panel.
  • the ambient temperature of the upper row of monitors is higher than that of the lower row of monitors, resulting in differences in brightness and color temperature between the panels depending on the usage environment.
  • temperature changes that induce a luminance difference or a color temperature difference between the multiple installed monitors also occur depending on the air conditioning of the installation environment and the distance from other heat sources.
  • the present invention has been made in view of the above circumstances, and provides a liquid crystal monitor device, a liquid crystal monitor system, and a control method for the liquid crystal monitor device that can adjust the color temperature and luminance among a plurality of monitors.
  • the purpose is to do.
  • the present invention provides a temperature data receiving unit that receives temperature data indicating a temperature in the vicinity of another liquid crystal monitor device transmitted from another liquid crystal monitor device among multi-installed liquid crystal monitor devices. And a target temperature based on the temperature detector that detects the temperature in the vicinity of the liquid crystal monitor device, the temperature data received by the temperature data receiver, and the detected temperature detected by the temperature detector.
  • a target temperature determining unit for determining a certain target temperature, a target temperature transmitting unit for transmitting the target temperature determined by the target temperature determining unit to the other liquid crystal monitor, and a correlation between the target temperature and the detected temperature
  • a color temperature storage unit that associates and stores color temperature control data corresponding to a color temperature to be displayed, a target temperature determined by the target temperature determination unit, and the temperature Control for reading color temperature control data corresponding to the correlation with the detected temperature detected by the detection unit with reference to the color temperature storage unit, and controlling the color temperature of the liquid crystal monitor device according to the read color temperature control data Part.
  • the color temperature can be controlled based on the common target temperature even if the temperatures in the vicinity of the individual monitors are different. It is possible to reduce the color temperature difference between sets due to the difference in environmental ambient temperature during installation.
  • FIG. 1 is a schematic block diagram showing the configuration of a multi-installation monitor system.
  • the master monitor 1 is connected to a plurality of slave monitors as slaves.
  • the slave monitor is connected in series to the master monitor 1.
  • a master monitor 1 and a slave liquid crystal monitor are arranged in three rows in the vertical direction (vertical direction) and three rows in the horizontal direction (horizontal direction), and performs a multi-display of 3 ⁇ 3 9 screens.
  • the master monitor 1 and each slave monitor are connected by an RS-232C control line or a LAN (wired or wireless), and transmit / receive various data such as temperature data, luminance control data, and color temperature control data, which will be described later.
  • the master monitor 1 includes a multi-brightness / color temperature control unit 10, a temperature sensor 11, a backlight 12, a color temperature control unit 13, a luminance control unit 14, an LCD panel 15, an input processing unit 16, and an image processing unit 17. Is done.
  • the multi-brightness / color temperature control unit 10 includes a communication unit 111, a temperature data processing unit 112, a target color temperature calculation unit 113, and a target luminance calculation unit 114.
  • the communication unit 111 has a function of receiving temperature data indicating the temperature in the vicinity of the slave monitor transmitted from each slave monitor (slave monitor 2 to 9) which is another liquid crystal monitor device (corresponding to a temperature data receiving unit), temperature A function of transmitting the target temperature determined by the data processing unit 112 to each slave monitor (corresponding to a target temperature transmission unit) is provided.
  • the communication unit 111 receives identification information for identifying a slave monitor together with temperature data. Thereby, it is possible to identify which temperature data is transmitted from which slave monitor. Further, when transmitting the target temperature to the slave monitor, the communication unit 111 can transmit the target temperature by specifying the destination slave monitor by transmitting the target temperature together with the identification information.
  • the temperature data processing unit 112 determines a target temperature (hereinafter also referred to as a target temperature) that is a target temperature based on the temperature data received by the communication unit 111 and the detected temperature detected by the temperature sensor 11. It has a function (equivalent to a target temperature determination unit). For example, the highest temperature or the lowest temperature among the obtained temperature data and the detected temperature is determined as the target temperature. In addition, the target temperature may be determined by calculating an average value among the obtained temperatures and using the calculated average value as the target temperature.
  • a target temperature hereinafter also referred to as a target temperature
  • the target color temperature calculation unit 113 stores, in an internal memory area, a color temperature storage unit that stores a correlation between the target temperature and the detected temperature and color temperature control data corresponding to the displayed color temperature in association with each other.
  • the color temperature control data corresponding to the correlation between the target temperature determined by the temperature data processing unit 112 and the detected temperature detected by the temperature sensor 11 is read with reference to the color temperature storage unit, and the read color temperature The control data is output to the color temperature control unit 13.
  • the target color temperature calculation unit 113 reads color temperature control data corresponding to the correlation between the target temperature and the temperature represented by the temperature data received by the communication unit 111 with reference to the color temperature storage unit, and reads the read color temperature control.
  • the communication unit 111 has a function of transmitting data to a slave monitor that is a transmission source of temperature data. A combination of the target color temperature calculation unit 113 and the communication unit 111 corresponds to a color temperature control data transmission unit.
  • the color temperature storage unit stores a plurality of combinations of target temperatures and detected temperatures, and stores color temperature control data corresponding to the combinations.
  • the target luminance calculation unit 114 stores the correlation between the target temperature and the detected temperature in association with luminance control data indicating the brightness of the illumination device (backlight 12) that illuminates the liquid crystal panel of the liquid crystal monitor device.
  • Brightness control data corresponding to the difference between the target temperature determined by the temperature data processing unit 112 and the detected temperature detected by the temperature sensor 11 is read from the brightness storage unit, and the read brightness control is performed. Data is output to the luminance control unit 14.
  • the target luminance calculation unit 114 reads out luminance control data corresponding to the correlation between the target temperature and the temperature represented by the temperature data received by the communication unit 111 with reference to the luminance storage unit, and reads the read luminance control data into the temperature
  • the communication unit 111 has a function of transmitting data to a slave monitor that is a data transmission source.
  • a combination of the target luminance calculation unit 114 and the communication unit 111 corresponds to a luminance control data transmission unit.
  • the luminance storage unit stores a plurality of combinations of target temperatures and detected temperatures, and stores luminance control data corresponding to the combinations.
  • the temperature sensor 11 is provided inside the master monitor 1, detects the temperature near the LCD panel 15, and outputs the detection result to the temperature data processing unit 112 of the multi-brightness / color temperature control unit 10.
  • the backlight 12 illuminates the LCD panel 15.
  • the color temperature control unit 13 controls the color temperature of its own liquid crystal monitor (LCD panel 15) according to the color temperature control data output from the target color temperature calculation unit 113.
  • the luminance control unit 14 controls the brightness of the backlight 12 according to the luminance control data output from the target luminance calculation unit 114.
  • the LCD panel 15 displays an image according to an image signal input from a computer connected to the outside of the master monitor 1 and input via the image processing unit 17 and the color temperature control unit 13.
  • the input processing unit 16 receives an image signal from a computer connected to the outside and outputs it to the image processing unit 17.
  • the image processing unit 17 performs image processing on the image signal input from the input processing unit 16 to generate image data, and causes the LCD panel 15 to display the image data.
  • the color temperature control unit 13 controls the color temperature.
  • the combination of the target color temperature calculation unit 113 and the color temperature calculation unit 113 and the combination of the target luminance calculation unit 114 and the luminance control unit 14 correspond to the control unit.
  • the slave monitor 2 includes a communication unit 21 and a temperature sensor 22.
  • the communication unit 21 receives the target temperature and the identification information transmitted from the master monitor 1 and captures the target temperature and identification information assigned to itself, and if the identification information is not assigned to itself,
  • the slave monitor has a function (equivalent to a target temperature receiving unit) that transmits it together with the target temperature. Further, the communication unit 21 transmits the temperature data detected by the temperature sensor 22 to the master monitor 1 together with the identification information assigned to itself.
  • the temperature sensor 22 detects the temperature in the vicinity of the LCD panel provided in its own slave monitor (corresponding to a temperature detection unit).
  • the slave monitor 2 includes a color temperature storage unit that stores a correlation between the target temperature and the detected temperature and color temperature control data corresponding to the displayed color temperature in association with each other, and a communication unit
  • the color temperature control data corresponding to the correlation between the target temperature received by 21 and the detected temperature detected by the temperature sensor 22 is read with reference to the color temperature storage unit provided in itself, and according to the read color temperature control data, And a controller for controlling the color temperature of the master liquid crystal monitor.
  • the slave monitor 2 receives an image signal output from the master monitor 1 and displays an image on an LCD panel provided in the slave monitor 2.
  • FIG. 2 is a flowchart for explaining the operation of the master monitor 1.
  • the temperature data processing unit 112 of the master monitor 1 requests the slave monitors 2 to 9 to transmit temperature data.
  • Each of the slave monitors 2 to 9 detects a temperature in the vicinity of its own LCD panel by a temperature sensor provided in response to a request from the master monitor 1 and transmits temperature data as a detection result to the master monitor 1. .
  • the master monitor 1 receives the temperature data transmitted from each of the slave monitors 2 to 9 and obtains the detection result of the temperature sensor 11 provided therein (step S10).
  • the temperature data processing unit 112 reads the received temperature data and the detection result from the temperature sensor 11 (step S11), and determines the target temperature (target temperature) (step S12). When the target temperature is determined, the temperature data processing unit 112 transmits the target temperature to the slave monitors 2 to 9 via the communication unit 111 (step S13).
  • the target color temperature calculation unit 113 calculates color temperature control data based on the correlation between the target temperature and the temperature detected by the temperature sensor 11 from the color temperature characteristics, and the target temperature and temperature Luminance control data based on the correlation with the temperature detected by the sensor 11 is calculated from the luminance characteristics (step S14).
  • the color temperature calculation unit 113 displays the image data output from the image processing unit 17 on the LCD panel 15 according to the calculated color temperature control data, thereby controlling the brightness.
  • the unit 14 turns on the backlight 12 so that the brightness according to the calculated luminance control data is obtained (step S15).
  • the slave monitor 2 when the slave monitor 2 receives the target temperature from the master monitor 1, the slave monitor 2 calculates color temperature control data based on the correlation between the received target temperature and the temperature obtained from the temperature sensor 22 provided on the slave monitor 2 from the color temperature characteristics. At the same time, luminance control data based on the correlation between the target temperature and the temperature detected by the temperature sensor 22 is calculated from the luminance characteristics.
  • the slave monitor 2 displays the image data transmitted from the master monitor 1 on the LCD panel according to the calculated color temperature control data, and the calculated brightness control. The backlight is turned on so that the brightness is in accordance with the data.
  • the master monitor and each slave monitor that receives the master monitor set the color temperature control value based on the correlation between the current temperature of the LCD panel provided in the monitor and the target temperature.
  • the color temperature of each monitor is controlled to be uniform by calculating from the dependence characteristics and outputting the color temperature control data so as to obtain an arbitrary target color temperature.
  • the master monitor and each slave monitor that receives it calculate the brightness level control value based on the correlation between the current temperature of the LCD panel installed in the monitor and the target temperature from the brightness characteristics, and select any target brightness level. By controlling the backlight so that the brightness of each monitor becomes uniform, the brightness of each monitor is controlled to be uniform.
  • the color temperature and the brightness can be controlled based on the same target temperature.
  • a display form in which the luminance and the color temperature are uniform can be realized without causing a luminance difference or a color temperature difference between sets due to a difference in environmental ambient temperature at the time of multi-installation.
  • the luminance difference and color temperature difference between the monitors caused by the time difference from the cold start to the temperature saturation can be eliminated by real-time control, and a uniform display form can be realized.
  • the master monitor 1 not only determines the target temperature, but also calculates brightness and color temperature control data for each slave monitor, and outputs the calculated brightness and color temperature control data. It may be transmitted to each slave monitor, and each slave monitor may be controlled so that the luminance and color temperature of its own monitor become uniform according to the received control data.
  • a display mode for performing multi-display for example, 3 ⁇ 3 9-screen multi
  • the brightness levels of the monitors calculated from the brightness characteristics are compared according to the temperature measured by each monitor, and each monitor is controlled so that the brightness level becomes an intermediate value thereof.
  • the brightness is lowered with respect to other monitors so that the brightness level is the same as that of the monitor having the lowest brightness (for example, the monitor installed at the upper right). Take control.
  • the luminance priority is selected, control is performed to increase the luminance of the other monitors so that the luminance level is the same as that of the monitor having the highest luminance (for example, the monitor installed in the lower left).
  • the color temperatures of the monitors calculated from the temperature dependence according to the temperature measured in each monitor are compared, and each monitor is controlled so as to be an intermediate value thereof. Further, the color temperature control of each monitor in consideration of temperature dependency may be selected so that an arbitrary target value obtained by the user and input by the user is obtained.
  • the multi-brightness / color temperature control unit 10 is provided inside the master monitor 1 , but it may be provided in a computer connected to the outside.
  • the multi-installation monitor system described above can be used as a public display or advertisement display for multi-installation.

Abstract

L'invention porte sur un dispositif de moniteur à cristaux liquides (1), lequel dispositif est caractérisé en ce qu'il comprend une unité de réception de données de température (111) pour recevoir des données de température transmises à partir d'autres dispositifs de moniteur à cristaux liquides (2 à 9), une unité de détection de température (11) pour détecter la température au voisinage du dispositif de moniteur à cristaux liquides (1), une unité de détermination de température cible (112) pour déterminer une température cible, qui est une température devant être visée en fonction des données de température reçues par l'unité de réception de données de température (111), et de la température détectée, détectée par l'unité de détection de température (11), une unité de transmission de température cible (111) pour transmettre la température cible déterminée par l'unité de détermination de température cible (112) aux autres dispositifs de moniteur à cristaux liquides (2 à 9), et une unité de commande de température de couleur pour lire les données de commande de température de couleur en fonction des corrélations entre la température cible déterminée par l'unité de détermination de température cible (112) et la température détectée, détectée par l'unité de détection de température (11), en référence à une unité de stockage de température de couleur (113), de façon à commander ainsi la température de couleur du dispositif de moniteur à cristaux liquides en fonction des données de commande de température de couleur lues.
PCT/JP2009/057877 2009-04-20 2009-04-20 Dispositif de moniteur à cristaux liquides, système de moniteur à cristaux liquides, et procédé pour commander le dispositif de moniteur à cristaux liquides WO2010122633A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011510110A JP5182736B2 (ja) 2009-04-20 2009-04-20 液晶モニター装置、液晶モニターシステム、液晶モニター装置の制御方法
PCT/JP2009/057877 WO2010122633A1 (fr) 2009-04-20 2009-04-20 Dispositif de moniteur à cristaux liquides, système de moniteur à cristaux liquides, et procédé pour commander le dispositif de moniteur à cristaux liquides

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PCT/JP2009/057877 WO2010122633A1 (fr) 2009-04-20 2009-04-20 Dispositif de moniteur à cristaux liquides, système de moniteur à cristaux liquides, et procédé pour commander le dispositif de moniteur à cristaux liquides

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011247980A (ja) * 2010-05-25 2011-12-08 Mitsubishi Electric Corp マルチ画面表示装置
WO2013108646A1 (fr) * 2012-01-16 2013-07-25 シャープ株式会社 Dispositif d'affichage
WO2014199841A1 (fr) * 2013-06-14 2014-12-18 Eizo株式会社 Système à multiples dispositifs de surveillance, programme d'ordinateur et dispositif d'affichage utilisés dans ledit système

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JP2001290471A (ja) * 2000-02-03 2001-10-19 Matsushita Electric Ind Co Ltd 映像表示システムおよび映像表示装置
JP2001324971A (ja) * 2000-05-17 2001-11-22 Nec Corp マルチ画面表示装置及びその色バランス制御方法
JP2004328132A (ja) * 2003-04-22 2004-11-18 Konica Minolta Photo Imaging Inc 画像撮像装置、画像処理装置及び画像処理プログラム
JP2005274816A (ja) * 2004-03-24 2005-10-06 Seiko Epson Corp プロジェクタの制御
JP2007322814A (ja) * 2006-06-01 2007-12-13 Mitsubishi Electric Corp 大型映像装置

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DE60320765D1 (de) * 2003-05-23 2008-06-19 Barco Nv Verfahren zur Anzeige von Bildern auf einer Grossbildschirmanzeige aus organischen Leuchtdioden sowie die dazu verwendete Anzeige

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Publication number Priority date Publication date Assignee Title
JP2001290471A (ja) * 2000-02-03 2001-10-19 Matsushita Electric Ind Co Ltd 映像表示システムおよび映像表示装置
JP2001324971A (ja) * 2000-05-17 2001-11-22 Nec Corp マルチ画面表示装置及びその色バランス制御方法
JP2004328132A (ja) * 2003-04-22 2004-11-18 Konica Minolta Photo Imaging Inc 画像撮像装置、画像処理装置及び画像処理プログラム
JP2005274816A (ja) * 2004-03-24 2005-10-06 Seiko Epson Corp プロジェクタの制御
JP2007322814A (ja) * 2006-06-01 2007-12-13 Mitsubishi Electric Corp 大型映像装置

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011247980A (ja) * 2010-05-25 2011-12-08 Mitsubishi Electric Corp マルチ画面表示装置
WO2013108646A1 (fr) * 2012-01-16 2013-07-25 シャープ株式会社 Dispositif d'affichage
WO2014199841A1 (fr) * 2013-06-14 2014-12-18 Eizo株式会社 Système à multiples dispositifs de surveillance, programme d'ordinateur et dispositif d'affichage utilisés dans ledit système
AU2014279337B2 (en) * 2013-06-14 2016-02-18 Eizo Corporation Multi-monitor system, and computer program and display device used in multi-monitor system
RU2613532C1 (ru) * 2013-06-14 2017-03-16 ЭЙДЗО Корпорейшн Многомониторная система и используемые в ней компьютерная программа и отображающее устройство
RU2613532C9 (ru) * 2013-06-14 2017-07-17 ЭЙДЗО Корпорейшн Многомониторная система и используемые в ней компьютерная программа и отображающее устройство

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