Liquid crystal display of micro display device and a manufacturing method thereof

A liquid crystal display of a micro display device, comprising:

• a pixel driving circuit output electrode body in which a pixel circuit output voltage unit, a first columnar electrode, and a first layer electrode are sequentially stacked;
• a first intermetallic dielectric covering a side surface of the pixel driving circuit output electrode body;
• a pattern formed on a top surface of the first intermetallic dielectric;
• a second columnar electrode;
• a second intermetallic dielectric, wherein the second columnar electrode is connected to a top surface of the first layer electrode through penetrating the second intermetallic dielectric, and the second intermetallic dielectric covers a side surface of the second columnar electrode and a top surface of the pattern;
• and
• a protective film covering a top surface of the second columnar electrode.

A liquid crystal display of a micro display device, comprising:

• a pixel driving circuit output electrode body in which a pixel circuit output voltage unit, a first columnar electrode, and a first layer electrode are sequentially stacked;
• a first intermetallic dielectric covering a side surface of the pixel driving circuit output electrode body;
• a second intermetallic dielectric stacked on a top surface of the first layer electrode and a top surface of the first intermetallic dielectric;
• a pattern formed on a top surface of the second intermetallic dielectric;
• a third intermetallic dielectric stacked on a top surface of the second intermetallic dielectric and a top surface of the pattern;
• a second columnar electrode passing through the second and third intermetallic dielectrics and connected to a top surface of the first layer electrode;
• and
• a protective film stacked on a top surface of the second columnar electrode and the upper surface of the third intermetallic dielectric.

A liquid crystal display of a micro display device, comprising:

• a pixel driving circuit output electrode body in which a pixel circuit output voltage unit, a first columnar electrode, and a first layer electrode are sequentially stacked;
• a first intermetallic dielectric covering a side surface of the pixel driving circuit output electrode body;
• a second intermetallic dielectric stacked on a top surface of the pixel driving circuit output electrode body and a top surface of the first intermetallic dielectric;
• a pattern formed on at least a portion of a top surface of the second intermetallic dielectric;
• a second columnar electrode;
• a third intermetallic dielectric, wherein the second columnar electrode is connected to a top surface of the first layer electrode through penetrating the second intermetallic dielectric and the third intermetallic dielectric, and the third intermetallic dielectric covers a side surface of the second columnar electrode and a top surface of the pattern;
• and
• a protective film covering a top surface of the second columnar electrode.

A method of manufacturing a liquid crystal display, comprising:

• (a) forming a pixel driving circuit output electrode body by sequentially stacking a pixel circuit output voltage unit, a first columnar electrode, and a first layer electrode;
• (b) depositing a first intermetallic dielectric to cover a side surface of the pixel driving circuit output electrode body;
• (c) depositing a second intermetallic dielectric on a top surface of the first layer electrode and a top surface of the first intermetallic dielectric;
• (d) forming a pattern on at least a portion of the top surface of the first intermetallic dielectric while exposing at least a portion of the top surface of the first layer electrode;
• (e) depositing a third intermetallic dielectric on a top surface of the second intermetallic dielectric exposed by the pattern and on a top surface of the pattern;
• (f) forming a second via that penetrates the third intermetallic dielectric and the top surface of the second intermetallic dielectric exposed by the pattern and is connected to the top surface of the first layer electrode;
• (g) filling the inside of the formed second via with a metal material;
• and
• (h) depositing a protective film on a top surface of the filled metal material and the second intermetallic dielectric.