Liquid crystal display device built-in finger printing device and method of manufacturing the same
A liquid crystal display device and fingerprint technology, which is applied to static indicators, character and pattern recognition, and acquisition/organization of fingerprints/palmprints, etc., can solve problems such as difficulties in manufacturing process management, image quality degradation, and lower aperture ratio, and achieve improved Image display quality, ease of management, reduction in number of effects
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[0044] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
[0045] image 3 is a cross-sectional view showing a color filter structure on an array of an α-Si TFT-LCD panel mounted with a TFT fingerprint recognition substrate according to an exemplary embodiment of the present invention.
[0046] The color filter-on-array structure refers to a structure in which color filters are formed on a TFT substrate so as to be aligned with thin film transistors of the TFT substrate. That is, the color filter and the thin film transistor have a self-aligned structure. Therefore, the aperture ratio of the TFT-LCD panel is increased. In addition, the color filters can be precisely aligned with the thin film transistors of the TFT substrate.
[0047] refer to image 3 , the TFT fingerprint recognition substrate 400 is attached to a TFT-LCD panel having a color filter on array structure.
[0048] The TFT fing...
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