JP2022160894A - Display - Google Patents

Abstract

To provide a display that allows a user to easily select a color and a contrast ratio with satisfactory visibility for the user.SOLUTION: A display 10 comprises a display unit 11, a control unit 2, and an operation unit 12. The display unit 11 has a display surface for displaying a screen. The control unit 2 causes the display unit 11 to display a sample image 22 including a plurality of components 23 to 25 in a plurality of color patterns different in combination of display colors of the plurality of components 23 to 25. The operation unit 12 receives an operation to select the sample image 22. The control unit 2 changes the color pattern of the sample image 22 between the plurality of color patterns at a constant time interval. The control unit 2 switches the coloring of the screen displayed on the display unit 11 in conjunction with a contrast ratio and the color of the present color pattern being the color pattern of the sample image 22 displayed on the display unit 11 when the sample image 22 is selected by the operation unit 12.SELECTED DRAWING: Figure 1

Description

The present invention relates to display devices.

For example, in the image forming apparatus disclosed in Patent Document 1, in order to improve the visibility of the GUI displayed on the display, a plurality of setting icons are arranged in a matrix on the setting screen, and the contrast of each setting icon is adjusted according to the frequency of use. Set higher in order to make it more noticeable.

JP 2019-82654 A

However, since the image forming apparatus of Japanese Patent Laid-Open No. 2003-100001 sets the contrast to a higher setting icon in descending order of frequency of use, some users may see a screen with low visibility for the user at the initial stage of operation via the screen. will be

For example, for people with color blindness, it may be difficult for them to see the characters and figures that make up the screen. For this reason, it is necessary to correct the screen color, contrast ratio, etc. on a screen that has low visibility for itself.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to provide a display device that allows a user to easily select a color and a contrast ratio with good visibility for the user.

A display device according to the present invention includes a display section, a control section, and an operation section. The display unit has a display surface for displaying a screen. The control section causes the display section to display a sample image including a plurality of constituent elements in a plurality of color patterns in which combinations of display colors of the plurality of constituent elements are different. The operation unit receives an operation of selecting the sample image. The control unit changes the color pattern of the sample image among the plurality of color patterns at regular time intervals. The control unit interlocks with the color and contrast ratio of the current color pattern, which is the color pattern of the sample image displayed on the display unit when the sample image is selected by the operation unit, Switches the color scheme of the screen displayed on the display unit.

According to the display device of the present invention, the user can easily select a color and a contrast ratio with good visibility for him/herself.

1 is a block diagram showing the configuration of an image forming apparatus according to an embodiment of the invention; FIG. 4 is a diagram showing an initial screen displayed on the display section of the image forming apparatus according to the embodiment of the present invention; FIG. (a) to (f) are diagrams showing examples of sample images having different color patterns. FIG. 5 is a diagram showing a detailed adjustment screen displayed on the display section of the image forming apparatus according to the embodiment of the present invention;

Hereinafter, embodiments of the display device of the present invention will be described with reference to the drawings (FIGS. 1 to 4). However, the present invention is not limited to the following embodiments, and can be implemented in various aspects without departing from the gist of the present invention. It should be noted that descriptions of overlapping descriptions may be omitted as appropriate. Also, in the drawings, the same or corresponding parts are denoted by the same reference numerals, and description thereof will not be repeated.

First, an image forming apparatus 10 of this embodiment will be described with reference to FIG. FIG. 1 is a block diagram showing the configuration of an image forming apparatus 10 of this embodiment. The image forming apparatus 10 is an example of a display device.

As shown in FIG. 1 , the image forming apparatus 10 includes an operation panel 1 , a main control section 2 , a storage section 3 , a screen generation processing section 4 and a network communication control section 5 .

The operation panel 1 accepts user's operations. Specifically, the operation panel 1 has a display section 11 and an operation section 12 .

The display unit 11 has a display surface for displaying various screens. The display unit 11 includes, for example, a liquid crystal display or an organic EL display. Various screens include, for example, various setting screens and various operation screens.

The operation unit 12 accepts user's operations. The operation unit 12 inputs an operation signal corresponding to a user's operation to the main control unit 2 . The main control unit 2 executes processing according to the operation signal. The operating unit 12 includes, for example, hard keys and a touch panel. Hard keys include, for example, a numeric keypad and an execution key. The touch panel may be arranged on the display surface of the display unit 11 .

The main control section 2 controls each section of the image forming apparatus 10 . Also, the main control unit 2 executes various processes. The main control unit 2 includes a processor such as a CPU (Central Processing Unit) or an MPU (Micro Processing Unit). The main controller 2 may further include an ASIC (Application Specific Integrated Circuit) for image processing.

The storage unit 3 stores various computer programs and various data. Various data include, for example, various system setting values and images displayed on various screens. Specifically, various data include system setting values relating to color schemes of various screens and layout images of various screens. The main control section 2 controls each section of the image forming apparatus 10 based on various computer programs and various data stored in the storage section 3 . Also, the main control unit 2 executes various processes based on various computer programs and various data stored in the storage unit 3 .

The storage unit 3 has a main storage device. The main storage device is, for example, a semiconductor memory. The semiconductor memory of the main memory includes, for example, RAM (Random Access Memory) and ROM (Read Only Memory).

The storage unit 3 may further have an auxiliary storage device. Auxiliary storage includes, for example, at least one of a semiconductor memory and a hard disk drive. The semiconductor memory of the auxiliary storage device includes at least one non-volatile memory such as, for example, flash memory, EPROM (Erasable Programmable Read Only Memory), and EEPROM (Electrically Erasable Programmable Read-Only Memory). The storage unit 3 may include removable media.

The screen generation processing unit 4 generates a web screen to be displayed on the external device T. FIG. For example, the screen generation processing unit 4 generates web screens corresponding to various setting screens and various operation screens displayed on the display unit 11 of the operation panel 1 . The screen generation processing unit 4 may be an integrated circuit such as an ASIC, for example.

A network communication control unit 5 controls communication with an external device T via the network N. FIG. For example, the network communication control unit 5 transmits various contents to be displayed on the web screen to the external device T. FIG. The network communication control unit 5 also receives signals corresponding to the operation signals generated by the operation unit 12 from the external device T. FIG.

The network communication control unit 5 includes, for example, a wireless communication device such as a wireless LAN (Local Area Network) board or a wireless LAN adapter. In this case, the network N includes a wireless LAN, and the network communication control section 5 accesses the wireless LAN. Note that the network communication control unit 5 may communicate with the external device T via a LAN cable. In this case, the network communication controller 5 includes a communication device such as a LAN board or LAN adapter.

The external device T may be any device that displays a screen. The external device T can be, for example, a tablet terminal, a smart phone, or a computer device such as a personal computer.

Although not shown, the image forming apparatus 10 further includes an image forming section that forms an image on a recording medium. The recording medium is, for example, a sheet. The sheet is, for example, plain paper, copy paper, recycled paper, thin paper, thick paper, glossy paper, or OHP (Overhead Projector) paper. The image forming unit is, for example, an electrophotographic image forming unit or an inkjet image forming unit. For example, an electrophotographic image forming section has an image carrier, a charging section, an exposure section, a developing section, and a transfer section, and forms a toner image on a sheet.

Next, an initial screen 21 displayed on the display unit 11 will be described with reference to FIGS. 1 and 2. FIG. FIG. 2 shows an initial screen 21 displayed on the display unit 11 of the image forming apparatus 10 of this embodiment. The initial screen 21 is displayed before the user starts various operations via the screen displayed on the display unit 11 .

As shown in FIG. 2, the initial screen 21 displays a sample image 22 including multiple components. In this embodiment, the multiple components include graphic 23 , text 24 and background 25 .

The main control unit 2 causes the display unit 11 to display the sample image 22 in a plurality of color patterns in which the combinations of display colors of the graphics 23, the characters 24, and the background 25 are different. More specifically, the main controller 2 changes the color pattern of the sample image 22 between a plurality of color patterns at regular time intervals while the initial screen 21 is being displayed.

Next, the color patterns of the sample image 22 will be described with reference to FIGS. 3(a) to 3(f). FIGS. 3A to 3F are diagrams showing examples of sample images 22 having different color patterns. Here, six types of sample images 22 are illustrated. Note that the number of color patterns is not limited. For example, a person with impaired color vision may see red, green, and blue with reduced vision. In the following, color patterns will be described using red, green, and blue as an example. The color pattern is determined in advance according to the screen design or the like.

The three major elements of color include hue, which is the difference between colors, saturation, which is the degree of vividness of a color, and lightness, which is the degree of brightness of a color. The contrast ratio is determined by the degree of difference in brightness and color in comparing multiple pieces of visual information placed side by side on the screen. In this embodiment, colors are adjusted by additive mixing of the three primary colors RGB.

In the sample image 22 shown in FIG. 3A, the display color of the figure 23 is a low-saturation blue gradation, the display color of the characters 24 is low-saturation blue, and the display color of the background 25 is gray. be. Therefore, in the sample image 22 shown in FIG. 3(a), the color scheme of the color pattern is a blue-based color scheme with a low contrast ratio.

In the sample image 22 shown in FIG. 3B, the display color of the graphic 23 is highly saturated blue, the display color of the characters 24 is highly saturated blue, and the display color of the background 25 is white. Therefore, in the sample image 22 shown in FIG. 3B, the color scheme of the color pattern is a color scheme with a high contrast ratio based on blue.

In the sample image 22 shown in FIG. 3C, the display color of the figure 23 is a low-saturation red gradation, the display color of the characters 24 is a low-saturation red, and the background 25 is gray. be. Therefore, in the sample image 22 shown in FIG. 3(c), the color scheme of the color pattern is a low-contrast-ratio color scheme based on red.

In the sample image 22 shown in FIG. 3D, the display color of the graphic 23 is highly saturated red, the display color of the characters 24 is highly saturated red, and the display color of the background 25 is white. Therefore, in the sample image 22 shown in FIG. 3D, the color scheme of the color pattern is a color scheme with a high contrast ratio based on red.

In the sample image 22 shown in FIG. 3E, the display color of the figure 23 is a low-saturation green gradation, the display color of the characters 24 is low-saturation green, and the display color of the background 25 is gray. be. Therefore, in the sample image 22 shown in FIG. 3(e), the color scheme of the color pattern is a color scheme with a low contrast ratio based on green.

In the sample image 22 shown in FIG. 3(f), the display color of the graphic 23 is highly saturated green, the display color of the characters 24 is highly saturated green, and the display color of the background 25 is white. Therefore, in the sample image 22 shown in FIG. 3(f), the color scheme of the color pattern is a color scheme with a high contrast ratio based on green.

The main control unit 2 sequentially changes the color pattern of the sample image 22 displayed on the display unit 11 among the six color patterns shown in FIGS. 3(a) to 3(f). More specifically, the main controller 2 changes the color pattern of the sample image 22 at regular time intervals. In other words, the main controller 2 sequentially displays the six types of sample images 22 shown in FIGS. 3(a) to 3(f) at regular time intervals. Therefore, six types of sample images 22 are repeatedly displayed at regular time intervals.

Next, processing executed by the main control unit 2 will be described with reference to FIGS. 1 to 4. FIG. When the sample image 22 is selected by the operation unit 12 while the initial screen 21 is being displayed, the main control unit 2 changes the color and contrast of the current color pattern, which is the color pattern of the sample image 22 displayed on the display unit 11 . In conjunction with the ratio, the color scheme of various screens displayed on the display unit 11 is switched. In other words, the main control unit 2 changes the system setting values related to the color scheme of various screens in conjunction with the colors and contrast ratios of the current color pattern. In other words, the user can select the color pattern of the sample image 22 while the initial screen 21 is being displayed. The main control unit 2 changes system setting values relating to the color scheme of various screens in conjunction with the color of the color pattern and the contrast ratio selected by the user.

In this embodiment, when the sample image 22 is selected by the operation unit 12 while the initial screen 21 is being displayed, the main control unit 2 causes the display unit 11 to display the detailed adjustment screen 26 .

Processing executed by the main control unit 2 while the detailed adjustment screen 26 is being displayed will be described below with reference to FIGS. 1 to 4. FIG. FIG. 4 is a diagram showing the detailed adjustment screen 26 displayed on the display unit 11 of the image forming apparatus 10 of this embodiment.

As shown in FIG. 4, the detailed adjustment screen 26 includes a first display frame 27a to a third display frame 27c and an enter button 28. As shown in FIG. In this embodiment, the detailed adjustment screen 26 further displays graphics 23 , characters 24 and background 25 . Specifically, the detailed adjustment screen 26 displays a graphic 23 in correspondence with the first display frame 27a, and further displays characters 24 in correspondence with the second display frame 27b.

The initial display colors of the figures 23, characters 24, and background 25 included in the detailed adjustment screen 26 are the color pattern (current color pattern) of the sample image 22 selected by the operation unit 12 while the initial screen 21 is being displayed. handle. Hereinafter, the color pattern of the sample image 22 selected by the operation unit 12 while the initial screen 21 is being displayed may be referred to as "selected color pattern".

The first display frame 27a to the third display frame 27c display the current values of the three primary colors RGB in the selected color pattern for each component of the sample image 22. FIG. Specifically, the first display frame 27 a displays the current values of the three primary colors RGB of the graphic 23 . The second display frame 27b displays the current values of the three primary colors RGB of the character 24. FIG. A third display frame 27 c displays the current values of the three primary colors RGB of the background 25 .

When the operation unit 12 receives an operation to change the color pattern of the sample image 22 by changing the values of the three primary colors RGB while the detailed adjustment screen 26 is being displayed, the main control unit 2 receives an operation signal input from the operation unit 12. , the values of the three primary colors RGB are changed, and the display color of each component of the sample image 22 is changed according to the changed values of the three primary colors RGB. In this embodiment, the display colors of the graphics 23, the characters 24, and the background 25 are changed on the detailed adjustment screen 26. FIG.

More specifically, the user can change the values of the three primary colors RGB for each component of sample image 22 . Specifically, the user can operate the operation unit 12 to change the values of the three primary colors RGB displayed in the first display frame 27a to the third display frame 27c. For example, when the user operates the operation unit 12 to change the values of the three primary colors RGB displayed in the first display frame 27a, the main control unit 2 displays the graphic 23 based on the changed values of the three primary colors RGB. change the display color of

The decision button 28 is a soft button for deciding the values of the three primary colors RGB displayed in the first display frame 27a to the third display frame 27c. In other words, the enter button 28 is a soft button for confirming the color pattern after changing the display color. The user can confirm the color pattern by operating the operation unit 12 and pressing the decision button 28 . For example, if the operation unit 12 includes a touch panel, the user can confirm the color pattern by touching the area where the enter button 28 is displayed.

When the enter button 28 is pressed while the detailed adjustment screen 26 is being displayed, the main control unit 2 confirms the values of the three primary colors RGB displayed in the first display frame 27a to the third display frame 27c, and confirms the values. The color scheme of various screens displayed on the display unit 11 is switched in conjunction with the color of the color pattern and the contrast ratio. In other words, the main control unit 2 changes the system setting values related to the color scheme of various screens in conjunction with the colors and contrast ratios of the color patterns changed by the user.

Note that when the sample image 22 is not selected and an area other than the area where the sample image 22 is displayed is selected by the operation unit 12 while the initial screen 21 is being displayed, the main control unit 2 Keeps the color scheme of various screens displayed in the currently set color scheme.

As described above with reference to FIGS. 1 to 4, according to the image forming apparatus 10 of the present embodiment, a plurality of sample images 22 with different color patterns are displayed on the display unit 11. Therefore, the user can When a sample image 22 having a color pattern with good visibility is displayed, simply by selecting the sample image 22, the colors and contrast ratios of various screens displayed on the display unit 11 can be changed to the selected sample image 22. can be switched in conjunction with Therefore, the user can easily set the color scheme of the screen displayed on the display unit 11 to one that is easily visible to the user before starting an operation via the screen displayed on the display unit 11. .

In the present embodiment, when the web screen is displayed on the external device T, the main control unit 2 causes the initial screen 21 including the sample image 22 to be displayed, and the color pattern of the sample image 22 is displayed at regular time intervals. , to change between multiple color patterns. Therefore, the user can easily set the color scheme of the screen displayed on the external device T to one with good visibility for the user before starting the operation via the screen displayed on the external device T. .

The embodiments of the present invention have been described above with reference to the drawings (FIGS. 1 to 4). However, the present invention is not limited to the above-described embodiments, and can be embodied in various aspects without departing from the spirit of the present invention. Also, the plurality of constituent elements disclosed in the above embodiments can be modified as appropriate. For example, some of all the components shown in one embodiment may be added to the components of another embodiment, or some configurations of all the components shown in one embodiment may be added. Elements may be deleted from the embodiment.

In order to facilitate understanding of the invention, the drawings schematically show each component mainly, and the thickness, length, number, interval, etc. It may be different from the actual from the top. Further, the configuration of each component shown in the above embodiment is an example and is not particularly limited, and it goes without saying that various modifications are possible within a range that does not substantially deviate from the effects of the present invention. .

For example, in the embodiments described with reference to FIGS. 1 to 4, the display device of the present invention was described using the image forming apparatus 10 as an example, but the display device of the present invention is not limited to the image forming apparatus 10. FIG. The display device of the present invention can be applied to equipment that displays a screen. For example, the display device of the present invention can be applied to computer devices such as tablet terminals, smart phones, or personal computers.

2 : Main control unit 4 : Screen generation processing unit 5 : Network communication control unit 10 : Image forming device 11 : Display unit 12 : Operation unit 22 : Sample image 23 : Figure 24 : Text 25 : Background 26 : Detailed adjustment screen

Claims (5)

a display unit having a display surface for displaying a screen;
a control unit that causes the display unit to display a sample image including a plurality of components in a plurality of color patterns in which combinations of display colors of the plurality of components are different;
and an operation unit that receives an operation to select the sample image,
The control unit
changing the color pattern of the sample image between the plurality of color patterns at regular time intervals;
displayed on the display unit in conjunction with the color and contrast ratio of the current color pattern, which is the color pattern of the sample image displayed on the display unit when the sample image is selected by the operation unit. A display device that switches the color scheme of the screen. The operation unit further receives an operation of changing the color pattern of the sample image by changing the values of the three primary colors RGB, and an operation of confirming the changed color pattern,
The control unit displays a detailed adjustment screen when the sample image is selected by the operation unit,
the detailed adjustment screen displays current values of the three primary colors RGB in the current color pattern for each component of the sample image;
When the values of the three primary colors RGB are changed by the operation unit, the control unit changes a display color for each of the constituent elements according to the changed values of the three primary colors RGB,
When the changed color pattern is confirmed by the operation unit, the control unit switches the color scheme of the screen displayed on the display unit in conjunction with the color and contrast ratio of the confirmed color pattern. A display device according to claim 1. The operation unit further receives an operation of selecting an area other than the area where the sample image is displayed on the display surface,
When an area other than the area where the sample image is displayed is selected by the operation unit, the control unit maintains the currently set color scheme for the screen displayed on the display unit. 3. The display device according to claim 1 or 2. The operation unit includes a touch panel,
4. The display device according to claim 1, wherein said touch panel is arranged on said display surface. a network communication control unit that controls communication with an external device via a network;
a screen generation processing unit that generates a web screen to be displayed on the external device,
5. The control unit according to any one of claims 1 to 4, wherein the control unit displays the sample image on the web screen, and changes the color pattern of the sample image between the plurality of color patterns at the constant time intervals. 1. The display device according to claim 1.

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