Light blocking and cell spacing for liquid crystal matrix displays

A liquid crystal display comprising:

• a pair of flat substrates, at least one of which is transparent;
• a quantity of liquid crystal material disposed and contained between said substrates;
• an array of pixel electrodes disposed on said at least one substrate;
• at least one ground plane electrode disposed on the other one of said substrate, so that liquid crystal material is disposed between said pixel electrodes and said ground plane electrode, with said at least one ground plane electrode and said array of pixel electrodes being transparent;
• an array of amorphous silicon semiconductor switch elements associated with said pixel electrodes;
• a set of electrically conductive data lines;
• a set of electrically conductive gate lines, said switch elements, said data lines and said gate lines being electrically connected to permit voltages appearing on said data lines to be applied to select pixel electrodes in accordance with signals present on said gate lines;
• and
• cured photopatterned polyimide light blocking spacer material disposed so as to at least partially cover said data lines or said gate lines.

A liquid crystal display comprising:

• a pair of flat substrates, at least one of which is transparent;
• a quantity of liquid crystal material disposed and contained between said substrates;
• an array of pixel electrodes disposed on said at least one substrate;
• at least one ground plane electrode disposed on the other one of said substrates, so that liquid crystal material is disposed between said pixel electrodes and said ground plane electrode, with said at least one ground plane electrode and said array of pixel electrodes being transparent;
• an array of amorphous silicon semiconductor switch elements associated with said pixel electrodes;
• a set of electrically conductive data lines, each of said data lines being partially duplicated along its length, respectively, so as to form a redundant conductive structure;
• a set of electrically conductive gate lines, said switch elements, said data lines and said gate lines being electrically connected to permit voltages appearing on said data lines to be applied to select pixel electrodes in accordance with signal patterns present on said gate lines;
• and
• cured photopatterned polyimide light blocking spacer material disposed so as to at least partially cover said data lines or said gate lines.

A liquid crystal display comprising:

• a pair of flat substrate, at least one of which is transparent;
• a quantity of liquid crystal material disposed and contained between said substrates;
• an array of pixel electrodes disposed on said at least one substrate;
• at least one ground plane electrode disposed on the other one of said substrates, so that liquid crystal material is disposed between said pixel electrodes and said ground plane electrode, with said at least one ground plane electrode and said array of pixel electrodes being transparent;
• an array of amorphous silicon semiconductor switch elements associated with said pixel electrodes;
• a set of electrically conductive data lines, each of said data lines being partially duplicated along its length, respectively, so as to form a redundant conductive structure;
• a set of electrically conductive gate lines, said switch elements, said data lines and said gate lines being electrically connected to permit voltages appearing on said data lines to be applied to select pixel electrodes in accordance with signal patterns present on said gate lines;
• and
• a cured photopatterned polyimide light blocking material disposed so as to at least partially cover said data lines or said gate lines.