Liquid crystal display device having improved visibility
A liquid crystal display and equipment technology, which is applied in nonlinear optics, static indicators, instruments, etc., and can solve the problems of lowering the power supply voltage level and reducing the visibility of liquid crystal display equipment.
Inactive Publication Date: 2013-02-13
SAMSUNG DISPLAY CO LTD
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Problems solved by technology
In this case, although the power supply voltage is supplied to multiple data drive chips, the level of the power supply voltage is lowered due to the resistance component of the voltage line
Therefore, since each data driving chip generates a data voltage using a power supply voltage at a different level, the visibility of the liquid crystal display device is lowered.
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[0018] Advantages and features of embodiments of the present invention and methods of achieving them can be more easily understood by referring to the following detailed description and accompanying drawings. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete and will fully convey the concept of the embodiments of the invention to those skilled in the art, and the invention will only be defined by the appended claims. Throughout the specification, the same reference numerals refer to the same elements.
[0019] It will be understood that when an element or layer is referred to as being "on," "connected to" or "coupled to" another element or layer, it can be directly on, directly connected to, the other element or layer To or coupled to another element or layer, or intervening elements or layers ma...
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A liquid crystal display device having improved visibility is disclosed. The liquid crystal display, in accordance with an embodiment, includes a liquid crystal panel including a plurality of display blocks, each display block including a plurality of gate lines, a plurality of data lines, and a plurality of pixels coupled to the corresponding gate lines and data lines; a timing controller providing an integration signal including data and a charge share control signal; and a plurality of data-driving chips corresponding to the plurality of display blocks, each of the data-driving chips being coupled to the timing controller in a point-to-point relation, receiving the integration signal, and short-circuiting the plurality of data lines in the corresponding display blocks with one another during charge-share periods, wherein at least two of the plurality of data-driving chips adjust the charge-share periods to be different from each other.
Description
[0001] Cross References to Related Applications [0002] This application claims priority from Korean Patent Application No. 10-2007-0109670 filed on October 30, 2007 in the Korean Intellectual Property Office, the disclosure of which is hereby incorporated by reference in its entirety. technical field [0003] The present invention generally relates to liquid crystal display devices. Background technique [0004] In general, a liquid crystal display device includes a liquid crystal panel having a lower glass plate on which pixel electrodes are provided, an upper glass plate on which common electrodes are provided, and a liquid crystal panel having a dielectric An anisotropic liquid crystal layer between the lower and upper glass plates. An electric field is generated between the pixel electrode and the common electrode, and transmission of light through the liquid crystal panel is controlled by adjusting the strength of the electric field, thereby displaying a desired imag...
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IPC IPC(8): G09G3/36G02F1/13G02F1/133
CPCG09G2310/0281G09G3/3648G09G3/3688G09G2310/0291G09G2320/0233G09G2330/02G09G2320/0223G09G2300/0426G09G2310/0248G02F1/133G09G3/20G09G3/36
Inventor 金宝拉孙宣圭
Owner SAMSUNG DISPLAY CO LTD