View angle-adjustable LCD device

A technology of liquid crystal display and viewing angle, applied in static indicators, instruments, nonlinear optics, etc., can solve the problems of private data leakage and achieve the effect of protecting privacy

Inactive Publication Date: 2009-05-20
INNOLUX CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, due to the portability of the display, consumers often carry the liquid crystal display to go out and frequently use it in public places.
When consumers read private letters or data in public places, it is inevitable that the private data will be leaked by outsiders

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0069] 1A is a top view of an active element array substrate of a liquid crystal display with an adjustable viewing angle according to the first embodiment of the present invention, and Figure 1B It is a three-dimensional schematic diagram of a single pixel unit and a partial backlight module in FIG. 1A . Please refer to FIGS. 1A and 1B at the same time. The viewing angle adjustable liquid crystal display 1000 of this embodiment includes an active element array substrate 200 , an opposite substrate 300 , a liquid crystal layer 400 and two polarizers 500 , 600 .

[0070] The active device array substrate 200 includes a substrate 210 and a plurality of scan lines 220 , a plurality of data lines 230 , a plurality of display pixel units 240 a and a plurality of control pixel units 240 b arranged on the substrate 210 . Each display pixel unit 240 a includes a first active element 242 , a display pixel electrode 244 , and each control pixel unit 240 b includes a second active elemen...

no. 2 example

[0088] 5 is a top view of an active element array substrate of a viewing angle adjustable liquid crystal display according to a second embodiment of the present invention. This embodiment is substantially the same as the first embodiment, and the same or similar symbols as the first embodiment represent the same or similar elements. Please refer to FIG. 5 , the difference between this embodiment and the first embodiment is that in the active element array substrate 200 of the first embodiment, each control pixel unit 240b is configured with a second active element 246 . Therefore, the brightness seen by the pixel unit 240b can be individually switched and controlled when viewed obliquely. However, in this embodiment, the control pixel electrode 248' of each control pixel unit 240b' is connected to the control element 246' adjacent to the display area 200a of the active element array substrate 200'. The control element 246' may be an active element such as a thin film transist...

no. 4 example 1

[0092] Figure 7A It is a top view of a single pixel unit in a liquid crystal display with adjustable viewing angle according to the fourth embodiment of the present invention, and Figure 7B for Figure 7A Schematic diagram of the light transmission axis of the polarizer and the tilting direction of the liquid crystal molecules. Please also refer to Figure 7A and Figure 7B , in particular, in order to more effectively protect the privacy of the user, the control pixel unit 240b"' further includes a third area division structure 270, wherein the third area division structure 270 is a structure that allows the liquid crystal molecules to have a GH direction Alignment. In this way, the control pixel unit 240b"' will have light leakage in four directions of E, F, G, and H at the same time, so only users who are facing the adjustable viewing angle liquid crystal display (not shown) can see the correct and complete image. Other people squinting above, below, left and right s...

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PUM

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Abstract

The invention discloses a liquid crystal display with an adjustable visual angle. The liquid crystal display comprises an active element array baseplate, an opposite baseplate and a liquid crystal layer. The active element array baseplate is provided with a plurality of pixel display units and pixel control units. Each pixel display unit comprises a first active element, a pixel display electrode and a first region division structure. The first active element is in electric connection with the pixel display electrode. The inside of each pixel control unit is provided with a pixel control electrode and a second region division structure. The control element is in electric connection with the pixel control electrode. The opposite baseplate is arranged on the active element array baseplate. The liquid crystal layer is arranged between the active element array baseplate and the opposite baseplate; and the phase retardation amount of the liquid crystal layer on the pixel display units is less than the phase retardation amount of the liquid crystal layer on the pixel control units.

Description

technical field [0001] The present invention relates to a liquid crystal display panel, and in particular to a view angle controllable liquid crystal display panel. Background technique [0002] The substantial progress of the multimedia society is mostly benefited from breakthroughs in semiconductor components or display devices. As far as display devices are concerned, thin film transistor liquid crystal displays (Thin Film Transistor Liquid Crystal Display, TFT-LCD) with superior characteristics such as high image quality, good space utilization efficiency, low power consumption, and no radiation have gradually become the mainstream of the market. [0003] The appearance requirements of the consumer market for liquid crystal displays are stylish and light, thin, short, and small for easy portability. In addition, the performance requirements for liquid crystal displays are towards high contrast (high contrastratio), no gray scale inversion (no gray scale inversion), low ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/1362G02F1/133G02F1/1335G09G3/36
Inventor 黄建智韦忠光
Owner INNOLUX CORP
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