Liquid crystal display device
A liquid crystal display device and liquid crystal technology, which are applied to transistors, static indicators, optics, etc., can solve problems such as poor display of liquid crystal display devices and abnormal growth of protective insulating films.
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Embodiment approach 1
[0050] figure 1 It is a perspective plan view showing a part of an active matrix type array substrate equipped with a liquid crystal display device according to this embodiment.
[0051] In the liquid crystal display device of the present embodiment, the gate electrode 2 and the source electrode 6 are arranged in a matrix (in the figure 1, only a part of the matrix shape is illustrated). Further, a thin film transistor is formed near the intersection of the gate electrode 2 and the source electrode 6 . Furthermore, the thin film transistor is equipped with a gate electrode 2 , a source electrode 6 and a drain electrode 7 . In addition, each pixel is formed in each region partitioned by the gate electrode 2 and the source electrode 6 .
[0052] In addition, the liquid crystal display device of the present embodiment is a transflective liquid crystal display device having a reflective portion and a transmissive portion in one pixel. Here, the pixel electrode 10 and the refle...
Embodiment approach 2
[0126] Since the counter electrode 15 has transparency, there is a technique of forming a transparent conductive film on the reflective electrode 11 in order to improve display characteristics. The present invention can also be applied to a liquid crystal display device having this structure.
[0127] That is, an oxide compound containing In and Zn is contained in the transparent conductive film.
[0128] Figure 13 It is a cross-sectional view showing the structure of the liquid crystal display device (specifically, the structure of the array substrate) of the present embodiment. In addition, the same components as those described in Embodiment 1 are denoted by the same reference numerals in this embodiment as well.
[0129] Here, Mo or Al is contained in one or some of the gate electrode 2 , the source electrode 6 , and the drain electrode 7 in order to lower the resistance as described above. In this way, Mo or Al is contained in the gate electrode 2 and the like. There...
Embodiment approach 3
[0151] In the liquid crystal display devices of Embodiments 1 and 2, a transflective liquid crystal display device is constituted by separately providing the reflective electrode 11 . However, by providing the drain electrode 7 with a reflective function, it is possible to omit the reflective electrode 11 and form a transflective liquid crystal display device.
[0152] The present embodiment is characterized in that in the transflective liquid crystal display device in which the drain electrode 7 has a reflective function, the pixel electrode 10 contains In oxide and Zn oxide as in the first embodiment.
[0153] Figure 14 It is a cross-sectional view of the liquid crystal display device (specifically, the array substrate) of the present embodiment. In addition, the same components as those described in Embodiment 1 are denoted by the same reference numerals in this embodiment as well.
[0154] Since the liquid crystal display device of the present embodiment does not have t...
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Abstract
Description
Claims
Application Information
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