Liquid crystal element, its mfg. method and electronic device
A liquid crystal device and liquid crystal technology, applied in identification devices, instruments, nonlinear optics, etc., can solve problems such as brightness dimming, display quality dispersion, etc.
Inactive Publication Date: 2005-03-23
SEIKO EPSON CORP
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Problems solved by technology
Then, for example, when the area of the region through which light is transmitted is smaller than the expected area and the area of the region where light is reflected is larger than the expected area, the brightness of the transmissive display will be higher than that of the reflective display. In the case of darkening, there is a problem that the display quality varies depending on the display method
Method used
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Embodiment Construction
[0086] (First embodiment of liquid crystal device)
[0087] figure 1 One example of the liquid crystal device of the present invention is shown. This embodiment is an embodiment in which the present invention is applied to a simple matrix type, COG (Chip On Glass, Chip On Glass) type liquid crystal device capable of color display. in addition, figure 2 shows along the figure 1 Cross-sectional structure of an I-I line liquid crystal device. in addition, image 3 show figure 1 The planar structure of the electrodes of one pixel portion of the liquid crystal device shown. in addition, Figure 4 show figure 1 The positional relationship on the plane of the reflective conductive film and the color filter in one pixel portion of the liquid crystal device shown. In addition, in each of the above-mentioned figures, in order to illustrate the structure easily and clearly, the film thickness of each constituent element, the ratio of dimensions, etc. are not the same as the...
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The invention is to suppress the occurrence of a variation in the area ratio of a light transmitting region to a light reflecting region even when the position of a transflective film is deviated, preventing the occurrence of a variation in display quality of a liquid crystal panel. A liquid crystal device 1 includes a liquid crystal 23 arranged between a first substrate 2 and a second substrate 3. The liquid crystal device has a reflecting conductive film 18 formed on the first substrate 2, a light transmitting metal oxide film 19 laminated on the reflective conductive film 18 so that the edges 34 thereof are in contact with an underlying film 35 or the first substrate 2, and an illumination device 25 for irradiating the liquid crystal 23 with light from outside the first substrate 2. Since the edges are present around the reflective conductive film 18, the area of a light reflecting region contributing to reflection is not changed even when the position of the reflective conductive film 18 is deviated in the transverse direction.
Description
technical field [0001] The present invention relates to a liquid crystal device, a manufacturing method thereof, and an electronic device composed of the liquid crystal device. Background technique [0002] In recent years, liquid crystal devices have been widely used as display units of electronic devices such as mobile phones, portable information terminals, and watches. As an example, these liquid crystal devices have a plurality of display points arranged in a matrix, and by controlling the voltage applied to the liquid crystal for each of these display points, the light passing through the liquid crystal is modulated for each display point, thereby to the Images such as text, numbers, graphics, etc. are displayed externally. [0003] Among the liquid crystal devices configured as described above, it is known that there are reflective liquid crystal devices and transmissive liquid crystal devices depending on the method of supplying light to the liquid crystal. Here, t...
Claims
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IPC IPC(8): G02F1/1335G02F1/13357G02F1/1343G02F1/1345G09F9/00G09F9/30G09F9/35
CPCG02F1/1345G02F1/133555G02F1/1335
Inventor 日向章二花川学萩原武
Owner SEIKO EPSON CORP