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Display device

A display device and switching layer technology, applied in static indicators, nonlinear optics, instruments, etc., can solve the problems that the display performance needs to be improved, and achieve the effect of low power consumption, high contrast, and bright display

Inactive Publication Date: 2009-09-30
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this structure, there is still room for improvement in display performance such as contrast and brightness.

Method used

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Effect test

no. 1 approach

[0082] figure 1 is a schematic cross-sectional view showing an example of the structure of the display device according to the first embodiment of the present invention.

[0083] Such as figure 1 As shown, the display device 10 according to the first embodiment of the present invention has a first display layer 110 , a colored layer 310 , and a second display layer (intermediate layer) 210 disposed therebetween.

[0084] The first display layer 110 has a first switching layer 111 , a second switching layer 112 , and a third switching layer 113 disposed in the plane of the first display layer 110 . Moreover, the first display layer 110 may use master-slave liquid crystal, for example. For example, the first switching layer 111 switches between cyan (C) and transparent (light-transmitting state), the second switching layer 112 switches between magenta (M) and transparent, and the third switching layer 113 switches between yellow (Y). to switch between transparent and transpar...

no. 2 approach

[0160] Figure 6 It is a schematic cross-sectional view showing an example of the configuration of the display device according to the second embodiment of the present invention.

[0161] Such as Figure 6 As shown, the display device 20 according to the second embodiment of the present invention is relatively figure 1 In the display device 10 shown as an example, the fourth to sixth switching layers 211 to 213 of the second display layer 210 become one switching layer, that is, the seventh switching layer 214 . Other components are the same as those of the display device 10 , so their descriptions are omitted.

[0162] In the display device 20 , all the first to third switching layers 111 to 113 are made transparent, and the seventh switching layer 214 is in a white state, whereby bright white can be displayed. In addition, the first to third switching layers 111 to 113 are respectively in the colored states of C, M, and Y, and the seventh switching layer 214 is in a trans...

no. 3 approach

[0172] Figure 8 It is a schematic perspective view illustrating the structure of the display device according to the third embodiment of the present invention.

[0173] Such as Figure 8 As shown, in the display device 30 of this embodiment, one pixel 105 is formed by the first to third sub-pixels 101 to 103 , and a plurality of the pixels 105 are arranged side by side in a matrix. In this way, a matrix type display device capable of displaying arbitrary characters or images can be obtained.

[0174] Also, the arrangement order of the first to third sub-pixels 101 to 103 in the pixel 105 is maintained in the same manner in other pixels 105, and the first to third sub-pixels 101 to 103 are arranged. That is, if Figure 8 As shown in the example, in each pixel 105 , the second sub-pixel 102 is arranged side by side next to the first sub-pixel 101 , and the third sub-pixel 103 is arranged side by side on the side opposite to the first sub-pixel 101 of the second sub-pixel 102...

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Abstract

The invention provides a two-layer structure reflective-type display device capable of realizing high-contrast bright display at low-power consumption. A display device includes a first switching layer switchable between a first color state and a translucent state, a second switching layer switchable between a second color state and a translucent state, a third switching layer switchable between a third color state and a translucent state, a first colored layer,a second colored layer, a third colored layer, and an intermediate layer provided between the first switching layer and the first colored layer. Mixing colors in the first color state, the second color state and the third color state produces achromatic color.

Description

technical field [0001] The invention relates to a display device. Background technique [0002] Liquid crystal display devices used in various OA equipment, portable terminal devices, and color TVs are composed of backlights and color filters. In addition to high power consumption, there are also problems in display effects such as difficulty in viewing in bright places. Therefore, people expect to develop a reflective color display device with low power consumption and good display effect. [0003] As a method of realizing reflective color display, if a color filter is used, there is a problem of darkening the display. As a color display method that does not use color filters, for example, there is a method of three-layer lamination of C (cyan), M (magenta), and Y (yellow) three-color master-slave (ゲストhost) type liquid crystals. , but because it is difficult to lead out the wiring for driving the liquid crystal layer in the middle, there are difficulties in the manufactur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/137G02F1/1362
CPCG09G3/3648G09G2300/0452G09G2300/023G02F2001/136222G02F1/13475G02F1/133514G02F1/136209G02F1/136222G02F1/1335G02F1/137
Inventor 永户一志长谷川励大冈青日
Owner KK TOSHIBA