Display apparatus

A technology for a display device and a display part, which is applied to identification devices, static indicators, optics, etc., can solve the problems of inability to prevent large-scale, complex device structure, etc., and achieves the effect of simple structure and prevention of display quality degradation.

Inactive Publication Date: 2011-09-28
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] Furthermore, in the above-mentioned conventional liquid crystal display device, the first spare wiring and the second spare wiring (redundant wiring) are provided, so there is a problem that the device configuration is complicated and the enlargement cannot be prevented.

Method used

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no. 1 approach

[0047] figure 1 It is a schematic cross-sectional view illustrating the liquid crystal display device according to the first embodiment of the present invention. exist figure 1 Among them, in the liquid crystal display device 1 of this embodiment, there are provided: the upper side of the figure as the viewing side (display surface side) and the liquid crystal panel 2 as the display part; and the non-display surface side of the liquid crystal panel 2. (lower side of the drawing), an illuminating device 3 that emits illuminating light for illuminating the liquid crystal panel 2 .

[0048] The liquid crystal panel 2 includes: a liquid crystal layer 4; an active matrix substrate 5 and a color filter substrate 6 as a pair of transparent substrates sandwiching the liquid crystal layer 4; Polarizers 7, 8 on the outer surfaces of each. In addition, a flexible printed circuit board 9 and a printed circuit board 10 connected to the flexible printed circuit board 9 are provided on th...

no. 2 approach

[0097] Figure 6 It is a diagram illustrating a configuration of a main part of a source driver in a liquid crystal display device according to a second embodiment of the present invention. In the figure, the main difference between this embodiment and the above-mentioned first embodiment is that a selector is provided between the sampling memory and the redundancy amplifier, and the selector connects only the source wiring connected to the redundancy wiring. The output corresponding data signal is selectively output to the redundant amplifier side. In addition, the same code|symbol is attached|subjected to the element common to the said 1st Embodiment, and the overlapping description is abbreviate|omitted.

[0098] That is, if Figure 6 As shown, in the present embodiment, the source driver (data wiring drive unit) 23 is provided with a sampling memory 41 as a storage unit; and a first latch 42 and an amplifier output unit 43 sequentially connected to the sampling memory 41...

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Abstract

A liquid crystal display apparatus (display device) (1), which has a liquid crystal panel (display unit) (2) for displaying information, comprises a source driver (data wire driving unit) (23) that includes an amplifier output unit (33) that outputs source signals (data signals), which are in accordance with information to be displayed on the liquid crystal panel (2), to a plurality of source wires (Sm-S(m+m)). The liquid crystal display apparatus (1) further comprises a redundant wire (Y) provided as a reserve wire of a source wire (S); and a redundant amplifier (36) that can output a sourcesignal, which is in accordance with information to be displayed on the liquid crystal panel (2), to the redundant wire (Y). The redundant amplifier (36) outputs, to the redundant wire (Y) and a source wire (Sm) connected thereto, a corresponding source signal at a timing that is earlier than the amplifier output unit (33) by a predetermined time interval.

Description

technical field [0001] The present invention relates to a display device having a display unit for displaying information such as characters and images, and more particularly to a display device having a plurality of data wirings and redundant wirings for inputting data signals corresponding to the information. Background technique [0002] In recent years, for example, liquid crystal display devices have been widely used in liquid crystal televisions, monitors, mobile phones, and the like as flat panel displays that are lighter in weight than conventional picture tubes. Such a liquid crystal display device includes a liquid crystal panel as a display unit for displaying information such as characters and images, and the liquid crystal panel is provided with a plurality of data lines (source lines) and a plurality of scan lines (source lines) arranged in a matrix. gate wiring); and a plurality of pixels having switching elements such as thin film transistors (TFT: Thin Film ...

Claims

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Application Information

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IPC IPC(8): G09F9/30G09F9/35G09G3/20G09G3/36G02F1/133
CPCG09G3/3648G09G3/3688G09G2310/06G02F1/136286G09G2300/0426G02F1/13452
Inventor 吉野直树伊藤资光
Owner SHARP KK
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