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Display control device and method for determining light intensity in backlight area

A display control and display technology, applied to static indicators, instruments, etc., can solve the problems of low light intensity utilization rate of backlight panels, dynamic adjustment of backlight brightness of backlight panels, energy waste, etc., and achieve the goal of improving light intensity utilization rate Effect

Active Publication Date: 2021-08-17
BEIJING KYSTAR TECH CO LTD
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AI Technical Summary

Problems solved by technology

Since the light intensity distribution information of the backlight panel is obtained by lighting up the LED lights on the entire backlight panel, the backlight brightness of the backlight panel cannot be dynamically adjusted as the display content changes, so that when the image display content is dark, the backlight The light intensity utilization rate of the board is not high, resulting in energy waste
In addition, the transmittance of the liquid crystal display panel cannot be adjusted to 0%, resulting in poor contrast when the liquid crystal display displays video images

Method used

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  • Display control device and method for determining light intensity in backlight area
  • Display control device and method for determining light intensity in backlight area
  • Display control device and method for determining light intensity in backlight area

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Embodiment Construction

[0051] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0052] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

[0053] A backlit display typically includes a backlight panel a...

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Abstract

The present disclosure relates to a display control device and a method for determining the light intensity of a backlight area. The display control device includes: a display main control circuit, which determines the corresponding initial transmittance and initial brightness of each pixel on the display according to the received image video signal; The gray value of the pixel point, and for each image area, the target gray value of the image area is determined according to the gray value of each pixel point in the image area, and the corresponding gray value is determined according to the target gray value of each image area. The light intensity of each backlight area on the backlight board; the adjustment circuit determines the brightness corresponding to each pixel point on the display according to the light intensity of each backlight area on the backlight board, and adjusts the pixel according to the brightness of each pixel point The transmittance of the dot, so that the product of the brightness and transmittance corresponding to each pixel on the display is equal to the product of the initial brightness and the initial transmittance of the pixel.

Description

technical field [0001] The present disclosure relates to the technical field of backlight displays, and in particular, to a display control device and a method for determining the light intensity of a backlight area. Background technique [0002] A backlit display typically includes a backlight panel and a liquid crystal display panel (LCD). The liquid crystal display panel is composed of a color filter substrate having red, green and blue color filter patterns and a liquid crystal layer. The backlight consists of light-emitting diodes (LEDs) or fluorescent light sources. The liquid crystal display panel itself does not have light-emitting performance. The liquid crystal display panel irradiates through the backlight and selectively filters some colors to display images of different colors. [0003] At present, the commonly used backlight panels are edge-type backlight panels or direct-type backlight panels. In the related art, the light intensity distribution informatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/34
CPCG09G3/3426
Inventor 方力邵寅亮曾少青
Owner BEIJING KYSTAR TECH CO LTD
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