Spacers for display devices

Details Spacers for display devices Spacers for display devices

2007-10-23

2007-10-23

Qi, Mike (Department: 2871)

Liquid crystal cells, elements and systems

Particular structure

Having significant detail of cell structure only

C349S157000, C349S012000, C349S114000

Reexamination Certificate

active

10785239

ABSTRACT:
The invention includes a liquid crystal display panel including spacers and a method of making this panel. The spacers, which are positioned in the liquid crystal-filled gap between a first substrate and a second substrate, provide support to the substrates and prevent the substrate from bending when the device is used as a touch screen panel. By preventing the bending of the device, the spacers help prevent the undesirable ripple effect suffered by liquid crystal devices. In order to minimize the amount of light blocked by the spacers, the spacers are formed in a region where light is substantially intercepted anyway, such as in a contact hole. A black matrix layer is formed on the spacers. The spacers may be distributed unevenly between the substrates, depending on how much force each of the spacers will have to absorb in each area of the panel.

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patent: 6583846 (2003-06-01), Yanagawa et al.
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patent: 2006/0103803 (2006-05-01), Jeon et al.

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