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Display device and display device mounting device

A display device, reflective display technology, applied in instruments, nonlinear optics, optics, etc., can solve problems such as display quality degradation

Inactive Publication Date: 2009-06-24
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the black display is in a floating state, and the display quality is reduced
[0010] In this way, the existing double-sided display type liquid crystal display device 110 has the problem that both the bright place and the dark place cannot perform black display well.

Method used

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  • Display device and display device mounting device
  • Display device and display device mounting device
  • Display device and display device mounting device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0214] according to Figure 1 to Figure 4 and Figure 10 One embodiment of the present invention will be described as follows.

[0215] figure 1 The cross-sectional composition of the liquid crystal display device (display device) 1 of the present embodiment is shown.

[0216] The liquid crystal display device 1 has a first glass substrate 11, a second glass substrate 12, a liquid crystal layer 13, a first polarizing plate 14, a second polarizing plate 15, a polarization selective reflection plate 16, a color filter 17, and a light-shielding film 18. , a transparent electrode 19, a switching element 20, a light absorbing layer 21, a light source 22 and a light guide sheet 23. A structure in which the liquid crystal layer 13 is sandwiched between the first glass substrate 11 and the second glass substrate 12 as a pair of transparent substrates is formed, and the liquid crystal layer 13 is sandwiched from the liquid crystal layer 13 to the first glass substrate on both sides...

Embodiment approach 2

[0238] according to Figure 5 to Figure 7 and Figure 53 Another embodiment of the present invention is illustrated through FIG. 61 as follows. Components having the same functions as those described in Embodiment 1 are denoted by the same reference numerals, and description thereof will be omitted.

[0239] This embodiment mode describes a display device loading device for loading a double-sided display liquid crystal display device.

[0240] First, an example will be described in which the display device mounting device is a mobile phone.

[0241] There are two types of portable phone terminals: a flat type and a foldable type. In recent years, foldable portable telephone terminals are becoming mainstream due to the expansion of image receiving and data display areas. The foldable mobile phone terminal is used in an unfolded state when performing calls and data processing. like Figure 5 As shown, remain in the collapsed state while waiting to receive. In the folded s...

Embodiment approach 3

[0302] according to Figure 8 Still another embodiment of the present invention will be described as follows. The constituent elements having the same functions as those of the constituent elements described in Embodiments 1 and 2 above are denoted by the same reference numerals, and description thereof will be omitted.

[0303] Figure 8 The cross-sectional composition of the liquid crystal display device (display device) 4 of the present embodiment is shown. The liquid crystal display device 4 realizes a double-sided display having good color reproducibility on both the A side and the B side by arranging color filters on the upper and lower sides.

[0304] Liquid crystal display device 4 except having the equivalent of Figure 7 In addition to the color filter (the first color filter) 17a of the color filter 17 of the liquid crystal display device 3, there is also a color filter (the second color filter) between the second glass substrate 12 and the polarized light reflec...

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Abstract

Provided is a double-sided display type display device capable of excellent black display in both bright and dark places. The first polarizing plate (14) that only transmits light that forms a linearly polarized component is sequentially arranged from the A side to the B side, and the linearly polarized light is rotated into another linearly polarized light when no voltage is applied, and the linearly polarized light is also linearly polarized when the voltage is applied. A liquid crystal layer (13) through which light passes unchanged, a polarized light selective reflection sheet (16) that reflects one line of polarized light and transmits another line of polarized light, and absorbs light that forms a component of one line of polarized light and forms another line of polarization The light transmits through the second polarizer (15). A polarized light selective reflection sheet (16) is disposed only on the B side of the liquid crystal layer (13). Thus, a double-sided display is formed that is viewed from side A as a reflective type and from side B as a transmissive type.

Description

technical field [0001] The present invention relates to a display device suitable for a double-sided display with two display screens. Background technique [0002] In recent years, among many display media, a liquid crystal display device (Liquid Crystal Display: LCD) using a liquid crystal has the fastest progress in being put into practical use because it can display with low power consumption. Considering the display mode and driving method of the display device, two methods, pure matrix and active matrix, have been proposed. With the multimediaization of information, high-resolution, high-contrast, multi-gray (multi-color, standard color) and wide-angle displays are required, which can be considered difficult to deal with with a pure matrix type. Therefore, an active matrix method has been proposed in which a switching element (active element) is provided for each pixel to increase the number of drivable scanning electrodes. Utilizing this technology, high-resolution,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02F1/1335
Inventor 神誠津田和彦中村浩三田口登喜生植木俊岸本神戶誠岸本覚
Owner SHARP KK
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