Display device and display method

A technology of a display device and a display method, which is applied in the directions of static indicators, nonlinear optics, instruments, etc., can solve problems such as the deterioration of animation display function, and achieve the effect of improving the display function.

Active Publication Date: 2018-10-02
EIZO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, as for the vertical synchronizing signal, if the lighting end time of the backlight (light-off start time) is extended to the rear of the time axis, there will be a gap between the lighting period of the backlight of the current frame and the transition of the liquid crystal state to the next frame. Repeating during the period will cause the liquid crystal state of the next frame to be reflected to the displayed image (called leading edge), which will lead to the problem of poor animation display function

Method used

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Embodiment Construction

[0044] Hereinafter, a display device and a display method according to the present invention will be described based on drawings showing embodiments. figure 1 It is a block diagram showing an example of the configuration of the display device 100 of this embodiment. The display device 100 includes a liquid crystal display panel 10 as a display panel, a backlight 20 disposed on the back of the liquid crystal display panel 10 , an image processing unit 30 , a backlight control unit 40 , and the like. In addition, the display panel is not limited to liquid crystals, and may be a display panel made of other light-shielding members. Furthermore, the display device 100 includes an adjustment unit (not shown) that adjusts the brightness of the screen of the liquid crystal display panel 10 . The adjustment means may be an operation switch provided on the display device 100 or an image for operation displayed on the screen of the liquid crystal display panel 10 .

[0045] The backlig...

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Abstract

Provided is a display device and display method that can improve the moving image display performance. A display device includes a display panel and a backlight for the display panel. The display device also includes control means configured to output a control signal for controlling illumination and extinction of the backlight, to the backlight in synchronization with start of update of a frame on the display panel and update means configured to update a frame in each predetermined period in order to change one image displayed on a screen of the display panel. The control means outputs a control signal for controlling the backlight so that the backlight starts to illuminate after the update means starts to update one frame and ends illumination at the time point when the update means starts to update a frame subsequent to the one frame or after the time point.

Description

【Technical field】 [0001] The present invention relates to a display device and a display method including a display panel and a backlight. 【Background technique】 [0002] Transmissive display devices such as liquid crystal display devices and MEMS (Micro Electro Mechanical System) display devices include a display panel and a backlight arranged behind the display panel. As a method of adjusting the brightness of the display panel, a so-called PWM dimming method is used. The PWM dimming method adjusts the current supplied to the backlight by changing, for example, the pulse width (duty ratio) of the pulse signal. [0003] In recent years, using the principle of this PWM dimming method, flickering backlight control to improve the visibility of animation on the display panel has been used. This blinking (Blinking) backlight control is to make the backlight blink synchronously with the vertical synchronization signal at the end of the video signal field of the display panel, an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/36G02F1/133G09G3/20G09G3/34
CPCG09G3/3406G02F1/133603G09G3/3607G09G2310/0237G09G2320/0257G09G2320/064
Inventor 林昭宪田端伸成桂正宗武田大树渕野达功笠岛正弘
Owner EIZO
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