Liquid crystal display and method of manufacturing the same

A liquid crystal display comprising:

• a pair of substrates provided opposite to each other;
• a liquid crystal sealed between the pair of substrates;
• a pixel region having an area in which no alignment film for aligning the liquid crystal is formed at least in a part thereof;
• and
• an alignment controlling layer obtained by setting an alignment assisting material mixed in the liquid crystal.

A method of manufacturing a liquid crystal display, comprising the steps of:

• sealing a liquid crystal mixed with an alignment assisting material having photo-setting properties between two substrates provided opposite to each other;
• setting the alignment assisting material by irradiating it with light under an irradiating condition that varies depending on areas to impart a pre-tilt angle that varies depending on the areas;
• and
• forming an area having a different threshold voltage in part of each pixel region.

A method of manufacturing a liquid crystal display, comprising the steps of:

• fabricating a liquid crystal display panel by sealing a liquid crystal mixed with a reactive monomer between two substrates provided opposite to each other;
• tilting liquid crystal molecules in part of a pixel region of the liquid crystal display panel utilizing the speed of response of the liquid crystal that varies depending on parts of the pixel region;
• polymerizing the reactive monomer to impart a different pre-tilt angle to the liquid crystal molecules in part of the pixel region;
• and
• forming an area having a different threshold voltage in part of each pixel region.

A liquid crystal display comprising:

• a pair of substrates provided opposite to each other;
• a storage capacitor bus line formed on one of the pair of substrates;
• a plurality of divisional areas which is a plurality of divisions of each of pixel regions arranged on the one of the pair of substrates;
• a pixel electrode formed at each of the divisional areas;
• a thin film transistor formed at each of the divisional areas and connected to the pixel electrode;
• a common electrode formed on the other of the pair of substrates;
• a liquid crystal sealed between the pair of substrates;
• and
• a polymer obtained by polymerizing a polymeric component mixed in the liquid crystal while applying an AC voltage between the common electrode and the storage capacitor bus line.

A liquid crystal display comprising:

• a pair of substrates provided opposite to each other;
• a gate bus line formed on one of the pair of substrates;
• a plurality of divisional areas which are a plurality of divisions of each of pixel regions arranged on the one of the pair of substrates;
• a pixel electrode formed at each of the divisional areas;
• a thin film transistor formed at each of the divisional areas and connected to the pixel electrode;
• a common electrode formed on the other of the pair of substrates;
• a liquid crystal sealed between the pair of substrates;
• and
• a polymer obtained by polymerizing a polymeric component mixed in the liquid crystal while applying an AC voltage between the common electrode and the gate bus line.

A vertical alignment type liquid crystal display comprising a liquid crystal layer provided between a first substrate and a second substrate, liquid crystal molecules being aligned substantially perpendicularly to the first and second substrates when no voltage is applied, at least one of the first and second substrates having an alignment controlling unit for controlling the direction of alignment of the liquid crystal in the liquid crystal layer, wherein:

• the alignment controlling unit is a plurality of linear structures disposed in parallel with each other;
• at least one of the first and second substrates has a first area in which intervals between adjacent ones of the linear structures are small and a second area in which intervals between adjacent ones of the linear structures are greater than those in the first area;
• and
• a threshold voltage is high in a region of the liquid crystal layer facing the first area and is low in a region of the liquid crystal layer facing the second area, the liquid crystal molecules start tilting at the threshold voltage to cause the transmittance of the liquid crystal layer to change when a voltage is applied to the liquid crystal layer.

A vertical alignment type liquid crystal display comprising a liquid crystal layer provided between a first substrate and a second substrate, liquid crystal molecules being aligned substantially perpendicularly to the first and second substrates when no voltage is applied, the first substrate having an alignment controlling unit for controlling the direction of alignment of the liquid crystal in the liquid crystal layer, wherein:

• the alignment controlling unit is a plurality of linear structures disposed in parallel with each other;
• the first substrate has a first area in which intervals between adjacent ones of the linear structures are small and a second area in which intervals between adjacent ones of the linear structures are greater than those in the first area;
• and
• a region of the liquid crystal layer facing the first area and a region of the liquid crystal layer facing the second area have different threshold voltages at which the liquid crystal molecules start tilting to cause the transmittance of the liquid crystal layer to change when a voltage is applied to the liquid crystal layer.