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Four-color converter, display device and method for converting three-color data into four-color data

A conversion method and converter technology, which is applied in the direction of instruments, static indicators, cathode ray tube indicators, etc., can solve the problem that the color of the liquid crystal display device cannot be changed, etc.

Active Publication Date: 2014-08-13
TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, this liquid crystal display device cannot meet the requirement that the color displayed by the liquid crystal display device remains unchanged while satisfying the constant ratio of Ri:Gi:Bi.

Method used

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Embodiment Construction

[0023] Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. Rather, the embodiments are provided to explain the principles of the invention and its practical application, thereby enabling others skilled in the art to understand the invention for various embodiments and with various modifications as are suited to particular intended uses.

[0024] The display device of this embodiment may be, for example, a liquid crystal display device (LCD), an organic light emitting diode (OLED) display device, and the like.

[0025] figure 1 is a block diagram of a display device according to an embodiment of the present invention. figure 2 is a structural diagram of a display panel according to an embodiment of the present invention.

[0026] refer to figure 1 and fi...

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Abstract

The invention discloses a four-color converter which comprises a first white balance part (41), a four-color determining part (42) and a second white balance part (43). The first white balance part (41) is used for carrying out white balance processing on original RGB gray level data to obtain RGB data after white balance processing. The four-color determining part (42) is used for determining RGBW data according to the RGB data, provided by the first white balance part (41), after white balance processing and white data extracted from the RGB data after white balance processing. The second white balance part (43) is used for carrying out white balance processing on the RGBW data provided by the four-color determining part (42) to obtain RGBW data, needing to be displayed, after white balance processing. The invention further discloses a display device with the four-color converter and a method for converting the three-color data into the four-color data. By means of the four-color converter, under the condition that the proportion of the four-color data is not changed, chromatic values of colors are not changed.

Description

technical field [0001] The invention relates to the field of liquid crystal display, and more specifically, to a four-color converter, a display device and a conversion method from three-color data to four-color data. Background technique [0002] Currently, in a display device having, for example, a liquid crystal display panel or an organic light-emitting diode (OLED) display panel, most of the red (R) sub-pixel units, green (G) sub-pixel units, and blue (B) sub-pixel units are Make up a pixel unit. By controlling the grayscale data of each sub-pixel unit, the colors required by the display panel are mixed to display a color image. With the development of information technology, various requirements for display panels are also increasing, and high transmittance, low power consumption, and good image quality have become people's requirements for display panels. The transmittance and mixing efficiency of the existing RGB three-primary-color mixed light display method are r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/20G09G3/36G09G5/02
CPCG09G3/20G09G3/26G09G5/02
Inventor 陈黎暄
Owner TCL CHINA STAR OPTOELECTRONICS TECH CO LTD
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