Liquid crystal display element
A technology of liquid crystal display components and substrates, applied in static indicators, nonlinear optics, instruments, etc., can solve problems such as hindering the laminated structure of opposing electrodes and light-shielding films, poor lateral crosstalk, etc., and achieve good display characteristics and no peripheral gaps Bad, no effect of liquid crystal pollution
Inactive Publication Date: 2007-06-27
MITSUBISHI ELECTRIC CORP
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Problems solved by technology
[0010] However, according to the above-mentioned structure, since the formation of the insulating film in the pixel region as the solution prevents the stacked structure of the counter electrode and the light-shielding film in the pixel region, the low-resistance metal film of the above-mentioned light-shielding film cannot fully contribute to the conductivity of the electrode
Therefore, the counter electrode becomes high resistance, causing poor lateral crosstalk
Method used
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[0021] FIG. 1 shows the appearance of a liquid crystal display element of an example of the present invention. In the liquid crystal display element shown in FIG. 1 , a rear substrate 24 on the side opposite to the viewing display side as one substrate and a front substrate 23 as the other substrate on the viewing display side are formed in a frame shape between the two substrates. The sealing material 18 is glued together, and has a structure in which the liquid crystal 16 is sealed in the area surrounded by the sealing material 18 and both substrates. The sealing material 18 is formed outside the pixel region 19 , and a TFT or the like which will be described later is formed on the inner surface of the rear substrate 24 in the pixel region 19 .
[0022] FIG. 2(1) is a plan view showing the vicinity of the sealing material 18 of the liquid crystal display element. In addition, FIG. 2(2) shows a cross-sectional view of the front substrate 23 and the rear substrate 24 at the p...
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The present invention relates to a liquid crystal display element and provides a structure for solving all the following problems: on the structural condition of the thickness of liquid crystal layer in the pixel forming region is thin, the field sequence liquid crystal display element is difficult to indurated form the sealment material well between the substrates in the present method. While solving the problem by setting the liquid crystal layer thickness adjusting film in the pixel forming region, but the laminated construction of the counter electrode and photomask is blocked, and bring bad display which is due to the resisitance increasing of counter electrodes. Thereby the present invention sets a light-shielding film on the internal surface of the front substrate in pixel region, and sets the thickness adjusting film to cover the light-shielding film, and has a contact hole, wherein the counter electrode is provided to oppose to the pixel electrode, and electrically connected to the light shielding film via the contact hole.
Description
technical field [0001] The present invention relates to a liquid crystal display element, and more specifically, to a liquid crystal display element using a field sequential method. Background technique [0002] In recent years, the development of field sequential liquid crystal display elements that do not require color filters has progressed. In the field sequential method, since color display is performed by switching the RGB three-color light source at high speed, the color filter used in the usual liquid crystal display element is not used, but a light-shielding film composed of Cr film and the like and a transparent conductive film are used instead. The counter electrode constitutes the counter substrate. Here, the opposite electrode extends beyond the pixel area, and is electrically connected to the electrodes and wiring on the array substrate. [0003] The field sequential liquid crystal display element uses a ferroelectric liquid crystal as the liquid crystal seal...
Claims
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Login to View More IPC IPC(8): G02F1/1362G02F1/133G02F1/1333
Inventor 荒木利夫平川诚中村智树
Owner MITSUBISHI ELECTRIC CORP