JP2006099470A - Image display device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an image display device capable of easily specifying a required item as compared with a case where an item is changed in units of one item.
From an item sequence in which a plurality of items are arranged in an image display device including a projection optical system that projects projection light of a menu image including a plurality of items onto a projection target, from a predetermined number of adjacent items. A menu image creation unit 12a that creates a menu image including the selected item sequence part, and a cross key 17b for accepting a change in the item sequence part. The menu image creation unit 12a includes: In accordance with the operation of the cross key 17b, an item string part including two or more items adjacent to the selected item string part is selected, and a menu image including the selected item string part is created.
[Selection] Figure 1

Description

  The present invention relates to an image display device, and more particularly to an image display device that displays a menu image including a plurality of items.

  A conventional image display device, for example, a projector includes a menu image creating unit that creates a menu image including a plurality of items and a cursor for selecting the item, and outputs the created menu image to a combining unit. A plurality of items indicate adjustment targets such as brightness and contrast of an image to be displayed, and all items are arranged in a menu image.

  The synthesis unit includes an input unit, and synthesizes the menu image output from the menu image creation unit with the image input to the input unit, for example, synthesis related to OSD (On Screen Display). The image display device further includes a spatial light modulation unit that generates modulated light of the image combined by the combining unit, that is, projection light, and a projection optical system that projects the generated modulated light onto the projection target. .

  In the image display device configured as described above, modulated light according to a menu image including a plurality of items is projected onto the projection target, and the menu image is displayed on the projection target.

  However, since the display range of the image is physically limited, it becomes difficult to include all items in the menu image as the number of items increases. Further, as the number of items increases, it becomes more difficult to specify a required item, and there is a problem that operability is lowered.

In response to this problem, when a menu image including a part of a plurality of items is displayed and an item change is accepted, items that cannot be displayed in a batch can be displayed separately by scrolling the items in units of one item. Possible image display devices have been proposed.
JP-A-4-35172

  However, in the conventional image display device, the item of the menu image is changed by scrolling in units of one item. Therefore, in order to change and display a plurality of items, it is necessary to repeatedly change the item row portion. There was a problem that it took time to identify the required items.

  In addition, when changing the items of the menu image by continuously performing the change operation, the items move continuously on the menu image, so that it is difficult to visually recognize each item and there is a risk of overlooking the required item. there were. If you miss a required item and change the item, you need to scroll the item in the reverse direction. Therefore, even when items are changed continuously, there is a problem that it takes time to specify a required item.

  The present invention has been made in view of such circumstances. When a menu image including an item string portion selected from an item string is displayed and a change in the item string part is accepted, the item string part further includes To provide an image display device that can specify a required item from an item string portion including items that have been appropriately changed by displaying the item string portion including adjacent items as described above. Objective.

  In addition, when there is a hidden item that is further adjacent from the item row portion displayed in the menu image, the menu image including the direction indication image indicating the direction of the adjacent item is displayed to be hidden. Another object of the present invention is to provide an image display device that can indicate the direction in which the items are adjacent.

  It is another object of the present invention to provide an image display device that can change the item sequence part sensuously by accepting the change of the item sequence part by selecting the direction indicating image.

  Furthermore, by arranging the items in the item row part in the horizontal direction or the vertical direction and displaying the menu image including the fixed items on one end side or both end sides of the item row part, the item row part can be changed. It is another object to provide an image display device that can always display fixed items.

  Furthermore, by combining the above-described menu image with the input image and projecting the modulated light of the combined image onto the projection target, the item sequence portion of the projected menu image can be changed and the item can be changed. Another object of the present invention is to provide an image display device capable of specifying the above.

  The image display device according to the present invention is a selection means for selecting an item string portion including a predetermined number of adjacent items from an item string in which a plurality of items are arranged in an image display device that displays a menu image including a plurality of items. And display means for displaying a menu image including the item string portion selected by the selection means; and accepting means for accepting a change in the item string portion selected by the selection means, wherein the selection means includes: When a change is accepted, the apparatus includes a means for selecting an item string portion including two or more adjacent items in the selected item string portion and including the predetermined number of adjacent items.

  In the present invention, an item string portion consisting of a predetermined number of adjacent items is selected from the item string, and the display means displays a menu image including the selected item string portion. Then, when the accepting unit accepts the change of the item sequence part, the display unit displays the menu image including the selected item sequence part by selecting the item sequence part including two or more items adjacent to the selected item sequence part. To do. That is, when a change is accepted, a new number of items are appropriately changed and displayed.

  The image display device according to the present invention includes a determination unit that determines whether or not the item sequence includes an item adjacent to the item sequence portion included in the menu image, and the display unit is adjacent to the determination unit. When it is determined that the item has an item to be displayed, a menu image including a direction indicating image indicating the direction of the item adjacent to the item row portion is displayed.

  In the present invention, when the item row has a non-display item adjacent to the item row portion displayed in the menu image, the direction next to the item is indicated by the direction indication image. That is, the presence of a non-display item further adjacent to the item row portion displayed in the menu image is indicated by the direction indication image.

  The image display device according to the present invention is characterized in that the accepting means accepts a change of an item sequence portion by selecting the direction indicating image.

  In the present invention, the accepting unit accepts the change of the item sequence portion by selecting the direction indicating image. That is, when a change is received by selecting a direction indication image, a menu image including items adjacent in the direction indicated by the direction indication image is created and displayed.

  In the image display device according to the present invention, the display means arranges the items in the item row portion in a vertical direction or a horizontal direction, and displays a menu image including fixed items on one end side or both end sides of the item row portion. It is characterized by being.

  In the present invention, the display means displays the menu image including the fixed item on one end side or both end sides of the item row portion arranged in the vertical direction or the horizontal direction. Accordingly, the fixed item is always displayed on one end side or both end sides of the item row portion regardless of the change of the item row portion.

  An image display apparatus according to the present invention includes an input unit to which image data is input, and the display unit includes an item sequence portion selected by the selection unit in an image related to the data input to the input unit. Combining means for combining the menu images, spatial light modulating means for generating modulated light in accordance with information representing the image combined by the combining means, and means for projecting the modulated light generated by the spatial light modulating means onto the projection object It is characterized by providing.

  In the present invention, the above-described menu image is synthesized with the image related to the data input from the input unit, and the modulated light of the synthesized image is projected onto the projection object and displayed. The modulated light is light whose amplitude, propagation direction, and the like have been modulated so that a synthesized image is displayed on the projection target.

  In the image display device according to the present invention, the items can be appropriately changed for each number, and a required item can be specified from the changed appropriate number of items.

  In the image display device according to the present invention, the direction indicating image can indicate the direction in which the non-display item is adjacent to the menu image.

  In the image display device according to the present invention, the item string portion can be changed sensuously by selecting the direction indicating image.

  In the image display device according to the present invention, it is possible to always display fixed items regardless of changes in the item string portion.

  In the image display device according to the present invention, it is possible to change the item sequence portion of the menu image projected on the projection target and specify the items.

  Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.

  FIG. 1 is a block diagram schematically showing an image display device according to the present invention, FIG. 2 is a schematic diagram showing an item sequence for creating a menu image displayed by the image display device, and fixed items, and FIG. 3 is an image. It is a schematic diagram of the menu image which a display apparatus displays. In the figure, reference numeral 1 denotes a projector which is an example of an image display device according to the present invention. And a control unit 10 that controls creation processing.

  The image processing unit 12 includes a menu image creation unit 12a (selection unit) that creates the menu image 2. The menu image creation unit 12a includes a first memory 12b, a second memory 12c, a third memory 12d, and a synthesis unit. 12e is connected. The first memory 12b is a non-volatile storage for storing the component images such as the character necessary for creating the menu image 2 according to the present invention, the down arrow 21 (direction instruction image), the up arrow 22 (direction instruction image), the cursor 23, and the like. The second memory 12c and the third memory 12d are volatile memories used when the menu image 2 is created.

  The menu image creation unit 12a includes an item string 20 in which a plurality of items A, B... L, M are arranged based on the component image stored in the first memory 12b, and fixed items a, b, c, d. And the created item string 20 and fixed items a, b, c, and d are written to the second memory 12c. Items A, B... L, M, and fixed items a, b, c, d are, for example, contrast, brightness, hue, saturation, red / blue / green gradation, sharpness, and light source 14 of the displayed image. The adjustment target of brightness, color temperature, etc. is shown.

  Further, the menu image creating unit 12a extracts the first item sequence portion 20a composed of items A, B,... G from the item sequence 20 stored in the second memory 12c, as shown in FIG. The menu image creation unit 12a includes a menu including the extracted first item row portion 20a, fixed items a, b, c, d read from the first memory 12b, a down arrow 21, and a cursor 23 for selecting each item. It has a function of creating the image 2 and writing the created menu image 2 to the third memory 12d. In the menu image 2, fixed items a and b are arranged at one end of the first item row portion 20a, and fixed items c and d are arranged at the other end of the first item row portion 20a. . The cursor 23 for selecting an item is displayed in one of the items, for example, the item C portion, and an image of a down arrow 21 is arranged between the item G and the fixed item c. A down arrow 21 indicates that there are non-displayed items H, items I and the like adjacent to the item G. The data of the menu image 2 written in the third memory 12d is output to the combining unit 12e.

  Further, the menu image creation unit 12a extracts a second item sequence portion 20b composed of items G, H... M from the item sequence 20 stored in the second memory 12c as shown in FIG. Then, a menu image 2 including the extracted second item row portion 20b, fixed items a, b, c, d read from the first memory 12b, an up arrow 22 and a cursor 23 for selecting each item is created, It has a function of writing the created menu image 2 in the third memory 12d. In menu image 2, fixed items a and b are arranged at one end of second item row portion 20b, and fixed items c and d are arranged at the other end of first item row portion 20a. . An image of an up arrow 22 is arranged between the fixed item b and the item G, and the up arrow 22 indicates that there are hidden items F and E adjacent to the item G.

  The synthesizing unit 12e is connected to an external device P such as an electronic computer that outputs image data, and includes an input unit 11 to which image data is input. An image related to the data input to the input unit 11; The image output from the menu image creation unit 12 a is combined, and the combined image data is output to the spatial light modulation unit 13. The input unit 11 includes, for example, a USB, IEEE1394 standard interface, an input / output controller, and the like.

  The spatial light modulator 13 includes a liquid crystal panel, and is configured such that light from the light source 14 enters the liquid crystal panel through the condensing optical system 15. The light source 14 includes a xenon lamp, an ultrahigh pressure mercury lamp, or the like, and light from the light source 14 enters the condensing optical system 15. The condensing optical system 15 uses a color filter, a lens, a prism, or the like, and performs condensing, deflection, color separation, and the like of light from the light source 14. The liquid crystal panel displays the image of each dot of the image on the pixel associated with each dot of the image related to the data output from the combining unit 12e, and the modulated light transmitted through the liquid crystal panel, that is, the modulated light is , Enters the projection optical system 16.

  The projection optical system 16 includes a projection lens for projecting modulated light, a focus adjustment lens for adjusting the focus, a zoom lens for adjusting the spread of the modulated light to be projected, and the incident modulated light is received by each lens. And, as a result, an image relating to the modulated light is displayed on the projection body. The projection optical system 16 includes an actuator that moves the focus adjustment lens and the zoom lens in the optical axis direction, and the control unit 10 controls the movement of the focus adjustment lens and the zoom lens by the actuator, Performs focus adjustment and zoom adjustment of the displayed image.

  The control unit 10 is a microcomputer including a CPU, an input / output device, and the like, and a ROM 10a that stores programs for controlling operations of the menu image creation unit 12a, the spatial light modulation unit 13, the projection optical system 16, and the like, A RAM 10b for temporary storage is connected. Further, a menu button 17a, a cross key 17b (accepting means), an enter button 17c, a cancel button 17d, and a power switch 17e are connected to the input / output terminals of the control unit 10, and the operation states of various buttons, switches, etc. It is configured to be detected by the control unit 10.

  FIG. 4 is a flowchart illustrating a processing procedure of the control unit 10 related to the display of the menu image 2. When the power switch 17e is turned on, the control unit 10 sets the menu flag F to 0 (step S1). The menu flag F indicates whether or not the menu image 2 is being displayed.

  Next, the control unit 10 determines whether or not the menu flag F is 0 (step S2). When it is determined that the menu flag F is 0 (step S2: YES), the control unit 10 detects the operation state of the menu button 17a and determines whether or not the menu button 17a is in an on state ( Step S3). If it is determined that the menu button 17a is on (step S3: YES), the control unit 10 sets 1 to the menu flag F (step S4). And the control part 10 extracts the 1st item row | line | column part 20a from the item row | line | column 20, The menu image 2 containing the 1st item row | line | column part 20a, the cursor 23 which selected the item A, and the down arrow 21 is produced. (Step S5).

  When it is determined in step S2 that the menu flag F is not 0 (step S2: NO), the control unit 10 calls a subroutine related to item selection of the menu image 2 and executes processing related to item selection (step S6). Next, the control unit 10 detects the operation state of the cancel button 17d and determines whether or not the cancel button 17d is on (step S7). When it is determined that the cancel button 17d is in the on state (step S7: YES), the control unit 10 sets the menu flag F to 0 (step S8), and outputs the data of the menu image 2 to the combining unit 12e. Stop (step S9).

  When the process of step S5 or step S9 is completed, when it is determined in step S3 that the menu button 17a is not in the on state (step S3: NO), or when it is determined that the cancel button 17d is not in the on state ( Step S7: NO), the control unit 10 synthesizes the image related to the data output from the menu image creation unit 12a, particularly the menu image 2 with the image related to the data input to the input unit 11 (Step S10). When data is not output from the menu image creation unit 12a, the image data input to the input unit 11 is output to the spatial light modulation unit 13 as it is.

  When the process of step S10 is completed, the control unit 10 generates modulated light based on the image data output from the combining unit 12e, and projects the modulated light onto the projection target (step S11). Next, the control unit 10 detects the operation state of the power switch 17e and determines whether or not the power switch 17e is on (step S12). When it determines with the power switch 17e being in the ON state (step S12: YES), the control part 10 returns a process to step S2. When it determines with the power switch 17e not being in an ON state (step S12: NO), the control part 10 complete | finishes a process.

  FIG. 5 is a flowchart illustrating a processing procedure of a subroutine related to item selection of the menu image 2. When a subroutine related to item selection is called in step S6, the control unit 10 detects the operation state of the cross key 17b and determines whether or not the lower button of the cross key 17b is on (step S100). .

  When it is determined that the down button is on (step S100: YES), the control unit 10 determines whether or not the cursor 23 is in the state of selecting the item G in the menu image 2 including the down arrow 21. (Step S101). When it is determined that the cursor 23 is in a state where the item G is selected in the menu image 2 including the down arrow 21 (step S101: YES), the control unit 10 causes the item to scroll upward in the menu image 2. The menu image 2 is created, and then the second item string portion 20b is extracted from the item string 20, and the menu image 2 including the second item string portion 20b, the up arrow 22 and the cursor 23 having selected the item H is displayed. Is created (step S102). When it is determined that the cursor 23 is not in the state in which the item G is selected in the menu image 2 including the down arrow 21 (step S101: NO), the control unit 10 moves the cursor 23 to the item below. Is created (step S103).

  When the process of step S102 or step S103 is completed, or when it is determined in step S100 that the down button is not on (step S100: NO), the control unit 10 detects the operation state of the cross key 17b, It is determined whether or not the upper button of the cross key 17b is on (step S104). When it is determined that the up button is in the on state (step S104: YES), the control unit 10 determines whether or not the cursor 23 is in the state where the item G is selected in the menu image 2 including the up arrow 22. (Step S105). When it is determined that the cursor 23 is in a state in which the item G is selected in the menu image 2 including the up arrow 22 (step S105: YES), the control unit 10 causes the item to scroll downward in the menu image 2. Menu image 2 is created, and then the first item string portion 20a is extracted from the item string 20, and the menu image 2 includes the first item string portion 20a, the down arrow 21, and the cursor 23 for selecting the item F. Is created (step S106). When it is determined that the cursor 23 is not in the state in which the item G is selected in the menu image 2 including the up arrow 22 (step S105: NO), the control unit 10 moves the cursor 23 to the upper item. Is created (step S107).

  When the process of step S106 or step S107 is completed, or when it is determined in step S104 that the up button is not in the on state (step S104: NO), the control unit 10 detects the operation state of the cross key 17b, It is determined whether or not the left and right buttons of the cross key 17b are on (step S108). When it is determined that the left and right buttons are in the on state (step S108: YES), the control unit 10 executes processing related to adjustment of the adjustment target related to the selected item (step S109). For example, processing related to adjustment of brightness, hue, saturation, and the like of the image is executed.

  When the process of step S109 is completed, or when it is determined in step S108 that the left and right buttons are not on (step S108: NO), the control unit 10 finishes the subroutine process related to the item selection of the menu image 2. .

  Note that the determination means described in the claims is realized by the control unit 10. In particular, in the first embodiment, the control unit 10 determines the direction of the item adjacent to the item string portion by the process of step S101 and the process of step S105.

  The operation of the image display device 1 configured as described above will be described. FIG. 6 is a schematic diagram showing the process of changing the item string portion. FIG. 6A is an example of the menu image 2 including the first item row portion 20a. The first item column portion 20a includes items of “Contrast”, “Bright”, “Color”, “Tint”, “Red”, “Green”, and “Blue”, and the item “Blue” is Is selected. In addition, fixed items such as “Picture Mode”, “Reset”, and “Signal Type” are displayed on both ends of the first item row portion 20a.

  When the left and right buttons of the cross key 17b are operated in the state of FIG. 6A, the blue gradation is adjusted by the processing of step S108 and step S109. When the down button of the cross key 17b is operated, the item scrolls upward as shown in FIG. 6B by the process of step S102. Then, as shown in FIG. 6C, the menu image 2 including the second item row portion 20b is displayed. The second item column portion 20b includes items of “Blue”, “Sharp”, “Bright Boost”, “Progressive”, “CLR Temp”, “CMS Adjustment”, and “DNR”. .

  Similarly, in the state of FIG. 6C, when the item column of “Blue” is selected and the upper button of the cross key 17b is operated, the item is scrolled downward by the processing of step S106, and the The menu image 2 including the one item column portion 20a is displayed.

  In the present invention, the first item row portion 20a and the second item row portion 20b displayed on the menu image 2 can be changed with each other by operating the up and down buttons of the cross key 17b. Since the item is changed in two stages, there is no possibility of overlooking the item that occurs when the item is scrolled and changed for each item, and the required item can be easily identified and selected.

  Further, by displaying the down arrow 21 and the up arrow 22, it is possible to indicate the direction in which the undisplayed items are adjacent.

  In the present embodiment, a spatial light modulation unit including a liquid crystal panel is applied, but a spatial light modulation unit including a DMD (Digital Micromirror Device) may be applied. When a spatial light modulation unit including a DMD is applied, the DMD switches the reflection angle of a micromirror associated with each dot of the image related to the data output from the synthesis unit, and reflects the light from the light source. As a result, modulated light, that is, reflected light is incident on the projection optical system.

  Further, the menu image in which a plurality of items are arranged in the vertical direction is displayed, but the menu image in which a plurality of items are arranged in the horizontal direction may be displayed.

  Further, the image display device includes a first memory for storing the item sequence and a second memory for storing the menu image. However, the image display device may be configured to store the item sequence and the menu image by one volatile memory. good.

  Furthermore, the first item sequence portion or the second item sequence portion is extracted from the item sequence in which 13 items are arranged, but the item sequence portion is extracted from the item sequence in which less than 13 items or more than 14 items are arranged. You may comprise.

  Furthermore, it is configured to extract the first item column part and the second item string part from the item string and change the item string part in two stages, but the item string part is changed in three stages or more than four stages. You may comprise so that it may do.

  Furthermore, although a projector is shown as an example of an image display device, the present invention is not limited to this, and the present invention may be applied to devices such as a personal computer, a DVD player, and a PDA (Personal Digital Assistant) having a function of displaying an image.

1 is a block diagram schematically showing an image display device according to the present invention. It is a schematic diagram which shows the item row | line and fixed item for creating the menu image which an image display apparatus displays. It is a schematic diagram of the menu image which an image display apparatus displays. It is a flowchart which shows the process sequence of the control part which concerns on the display of a menu image. It is a flowchart which shows the process sequence of the subroutine which concerns on the item selection of a menu image. It is a schematic diagram which shows the change process of an item row | line | column part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Image display apparatus 2 Menu image 10 Control part 10a ROM
10b RAM
DESCRIPTION OF SYMBOLS 11 Input part 12 Image processing part 12a Menu image creation part 12b 1st memory 12c 2nd memory 12d 3rd memory 12e Synthesis | combination part 13 Spatial light modulation part 14 Light source 15 Condensing optical system 16 Projection optical system 17a Menu button 17b Cross key 17c OK button 17d Cancel button 17e Power switch 20 Item row 20a First item row portion 20b Second item row portion 21 Down arrow 22 Up arrow 23 Cursor

Claims (5)

In an image display device that displays a menu image including a plurality of items,
A selection means for selecting an item string portion consisting of a predetermined number of adjacent items from an item string in which a plurality of items are arranged;
Display means for displaying a menu image including the item string portion selected by the selection means;
Receiving means for accepting a change of the item string portion selected by the selection means,
The selection means includes
An image display apparatus comprising: means for selecting an item string portion including two or more adjacent items to the selected item string portion and including the predetermined number of adjacent items when the accepting unit accepts a change. . A determination means for determining whether or not the item sequence has an item adjacent to the item sequence part included in the menu image;
The display means includes
The menu image including a direction indication image indicating a direction of an adjacent item in the item row portion is displayed when it is determined that the determination unit has an adjacent item. 2. The image display device according to 1. The accepting means is
The image display device according to claim 2, wherein a change of an item sequence portion is received by selection of the direction indication image. The display means includes
The items of the item sequence portion are arranged in the vertical direction or the horizontal direction, and a menu image including fixed items is displayed on one end side or both end sides of the item sequence portion. The image display device according to any one of the above. It has an input unit for inputting image data,
The display means includes
A synthesizing unit that synthesizes a menu image including the item sequence portion selected by the selecting unit with an image related to the data input to the input unit;
Spatial light modulation means for generating modulated light according to information representing the image synthesized by the synthesis means;
The image display device according to claim 1, further comprising: a unit that projects the modulated light generated by the spatial light modulation unit onto the projection target.

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