JPH07210108A - Chrominance conversion device for three colors led display device - Google Patents

Abstract

PURPOSE:To provide a chrominance conversion device for a three-color, LED display device capable of easily converting a universal full color offered picture to the color constitution picture of the offered picture for the three-color LED display device without a malfunction. CONSTITUTION:The chrominance conversion device for three-colors LED display device converting the constitution colors of the offered picture to the three display colors of the three-color LED display device is provided with a CRT 19 capable of displaying full colors, a central processing unit(CPU) 10, a VRAM 14 temporarily holding picture information displayed on a display picture, a key board(KB) 15 and a mouse (MOUSE) 17, and the CRT 19 displays the figure of the full color offered picture on the display picture, and displays the constitution colors constituting the offered picture and the three display colors of the three-color LED display device by a palette form, and converts the constitution colors of the offered picture to the three display colors of the display device.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for performing color conversion when displaying a provided color screen on a display device, and more particularly to a device for displaying a color screen on a 3-color LED display device as a display device. The present invention relates to a color conversion device for a three-color LED display device that is optimal for color conversion.

[0002]

2. Description of the Related Art As a device for displaying a screen used for displaying, a so-called provided color screen, a large number of three-color (red (R), green (G), orange (O)) light emitting diodes are arranged in a plane. A three-color LED display device arranged above and a full-color LED display device capable of displaying the three primary colors of light (red (R), green (G), and blue (B)) are already known. Has been. The former three-color LED display device is relatively inexpensive, but the displayable color is limited to a predetermined color, while the latter full-color LED display device can display the provided color screen in full color. , But the price is expensive.

These two types of display devices are determined by the burden of the user who actually installs the device, but especially when the former three-color LED display device is used to display a color screen, the provided screen is displayed. There are the following problems depending on the color configuration. That is, the color configuration of the provided screen is a specific color configuration (red,
There is no problem if it matches (green, orange) (see FIG. 4 (a)), but if it does not match, when the display screen is displayed on the display device, the above-mentioned displayable color is displayed. There is a problem that colors that do not match are ignored and not displayed. This is because the blue (B) signal output is not input to the three-color LED display device. Thus, if a part of the color configuration of the display screen is ignored and is not displayed, it is displayed on the display screen. The displayed screen is in a state where it is unknown what it means or what is being displayed (see FIG. 4B). Also, if the provided screen contains blue (B), it will be ignored,
Mixed colors with blue are displayed in red, green or orange.

[0004]

Therefore, in the prior art,
The provision screen displayed by the three-color LED display device has to be recreated by reconfiguring the color configuration of the provision screen with the specific displayable color. However, in the above-described conventional technology, it takes a labor and time for the screen creator to reconfigure the provision screen to be displayed as a screen having a color configuration that can be displayed by the display device, and therefore it is generally distributed. There was a problem that the full-color screen that was present could not be used easily as the provided screen.

Therefore, in the present invention, in view of the above problems in the prior art, it is possible to easily use a distribution screen of a full-color screen which is generally distributed as a provision screen for a three-color LED display device. An object of the present invention is to provide a color conversion device for a three-color LED display device that can be converted into a color configuration providing screen.

[0006]

SUMMARY OF THE INVENTION The present invention provides a display device capable of displaying in full color on a display screen, a storage device for temporarily holding screen information displayed on the display screen of the display device, and the above display. A control device for controlling a screen displayed on the display screen of the device, an information input means for inputting / outputting information including at least color information of the provision screen, and an operator for inputting a command to the control device. With the input device, the full-color display device displays the provision screen on its display screen, and simultaneously displays the three display colors of the three-color LED display device together with the constituent colors forming the provision screen, Disclosed is a color conversion device for a three-color LED display device that converts the constituent colors of the provided screen into the three display colors of the three-color LED display device.

In order to achieve the above-mentioned object of the invention,
In the color conversion device for a three-color LED display device, the full-color display device simultaneously displays the constituent colors forming the provided screen and the three display colors of the three-color LED display device in a palette format. What you have done is suggested.

Further, in order to achieve the above-mentioned object of the invention, in the above-mentioned color conversion device for a three-color LED display device, the full-color display device has the provision screen divided into a plurality of parts. 3 colors L together with the constituent colors
It is proposed to display the three display colors of the ED display device and convert the constituent colors of the provision screen to the three display colors of the three-color LED display device.

[0009]

According to the above-described color conversion device for a three-color LED display device of the present invention, even if a screen for providing a full-color screen that is generally distributed is used, the display screen for a display device that can display the full-color screen once is available. Since the conversion is performed by displaying the three display colors of the three-color LED display device at the same time as the above display, the provision screen of the three-color LED display device can be easily and without mistakes provided for the full-color screen. It is possible to convert to a provision screen of a color configuration that can be used as, and it is possible to reliably prevent problems such as color loss from the display screen.

Further, when the display colors are converted, the constituent colors forming the provided screen and the three display colors of the three-color LED display device are simultaneously displayed in a palette format, so that the constituent colors and the three display colors are displayed. It is easy to understand the correspondence with and easily LE 3 color
It can be converted into a provision screen having a color configuration that can be used as a provision screen for the D display device.

Further, even if a complicated provision screen is provided, color conversion can be performed for each divided portion, so that the provision screen is a provision screen for a three-color LED display device without any erroneous operation. It can be converted to a screen providing a color configuration that can be used as.

[0012]

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. First, FIG. 2 shows a color conversion device for a three-color LED display device according to the present invention. In this figure, reference numeral 10 is a central processing unit (CP
U), a read only memory (ROM) 11 and a random access memory (RAM) 12 which are storage devices via a bus line, and an input / output device (I / O).
13. A VRAM 14, which is an image memory, is connected. Further, the input / output device 12 has a keyboard (K
B) 15, floppy disk drive device (FD) 1
6, a mouse (MOUSE) 17 is connected, while the VRAM 14 has a controller (C which controls the CRT).
An RTC) 18 is connected, and a CRT (cathode ray tube) 19 which is a full-color display device is also connected.

The operation of the color conversion device for a three-color LED display device having the above structure will be described. First, a full-color screen file to be used as a provided screen is read by a screen editing program. Here, the provided screen is a screen used for displaying, and the full-color screen file is 1
A pixel (1 dot of the display device) has a file of the contents of a memory (video RAM) having at least 1 bit of each value of R, G, and B. That is, the state of the video RAM of the provision screen displayed on the display device is saved in a storage medium or the like.

Next, the color conversion device for the three-color LED display device displays on the CRT 19 the contents of the read full-color screen file and its color palette color, and further the palette of the colors that can be displayed by the three-color LED display device. To display.
An example of a screen displayed on the CRT 19 at this time is shown in the attached FIG. That is, in the upper area of the screen of the CRT 19, the full-color graphic 100 desired to be provided is displayed. At the same time, the lower area of the screen
A palette color display unit 110 showing colors forming a full-color screen to be provided screen, displayable colors of a three-color LED display device (red (R), green (G), orange (O), and a mixture of these) The converted color display section 120 indicating the obtained color) is displayed.

After that, the palette colors of the palette color display section 110 are assigned the conversion colors of the conversion color display section 120 to collectively perform the screen color conversion. As a result, color conversion for the three-color LED display device corresponding to the full-color screen is performed. As a result, each color configuration of the full-color screen is composed of color elements corresponding to the color configuration of the three-color LED display device,
By using this, it becomes possible to create a file for three-color LED display that can be easily displayed by the three-color LED display device based on a full-color screen that is generally distributed.

In the above embodiment, the three-color LEs on a relatively simple screen (figure in which a circle is divided into three parts for color coding).
Although the color conversion for the D display device has been described, in the case of a complicated screen in which the entire screen cannot be collectively converted, for example, as illustrated in FIG. 3, the entire screen is divided into a plurality of areas (a to e)
The above-described color conversion for the three-color LED display device may be sequentially performed on the screen for each area, and then recomposition may be performed. After that, the composite screen is displayed on the three-color LED display device.

Further, according to the above apparatus, contrary to the above processing, it is possible to create a full-color screen from a three-color providing screen. In the above embodiment, a full-color liquid crystal display device or the like may be used instead of the CRT 19 which is a full-color display device for reading and displaying a full-color screen file to be provided. Further, as is apparent from the above description, the conversion device of the above embodiment can be easily configured by a general personal computer or the like, and therefore, the economically excellent effect is exhibited.

[0018]

As is clear from the above detailed description, according to the color conversion device for a three-color LED display device of the present invention, it is easy and erroneous to provide a full-color screen which is generally distributed. It is possible to convert the display screen to be used as a provision screen for a three-color LED display device by a simple operation without any operation, and the configuration is economically excellent.

[Brief description of drawings]

FIG. 1 is a diagram illustrating an example of a display screen that is a feature of a color conversion device for a three-color LED display device that is an embodiment of the present invention.

FIG. 2 is a system diagram showing a schematic configuration of the color conversion device for a three-color LED display device.

FIG. 3 is a diagram illustrating an operation flow when converting a complicated provision screen to a display screen of three colors that can be displayed by the color conversion device for a three-color LED display device.

FIG. 4 is a diagram illustrating a display problem of a conventional three-color LED display device.

[Explanation of symbols]

 10 Central Processing Unit (CPU) 14 VRAM 15 Keyboard (KB) 17 Mouse (MOUSE) 19 CRT (Cathode Ray Tube) 100 Graphic 110 Palette Color Display 120 Conversion Color Display

Claims (3)

[Claims] 1. A display device capable of displaying in full color on a display screen, a storage device for temporarily holding screen information to be displayed on the display screen of the display device, and a display device for displaying on the display screen of the display device. A control device for controlling the screen, an information input means for inputting / outputting information including at least color information of the provision screen, and an input device for inputting a command to the control device by an operator are provided. The full-color display device displays the provision screen on its display screen, and at the same time, displays three colors L together with the constituent colors forming the provision screen.
A color conversion device for a three-color LED display device, which displays the three display colors of the ED display device and converts the constituent colors of the provided screen into the three display colors of the three-color LED display device. 2. The color conversion device for a three-color LED display device according to claim 1, wherein the full-color display device comprises a constituent color forming the provision screen and three display colors of the three-color LED display device. Is simultaneously displayed in a palette format. A color conversion device for a three-color LED display device. 3. The color conversion device for a three-color LED display device according to claim 1, wherein the full-color display device divides the provided screen into a plurality of parts and displays a three-color LED together with the constituent colors forming the provided screen. A color conversion device for a three-color LED display device, which displays three display colors of the device and converts the constituent colors of the provided screen into the three display colors of the three-color LED display device.