US 7,256,849 B2 · Liquid crystal display

Abstract

A liquid crystal display is provided, which includes: first and second panels facing each other, interposing a gap therebetween, and first and second field generating electrodes, respectively; a liquid crystal layer filled in the gap and including a plurality of liquid crystal molecules; first and second tilt direction defining members disposed on the first and the second panels, respectively, and giving a first tilt direction to a group of the liquid crystal molecules; and a third tilt direction defining member disposed on one of the first and the second panels and giving a second tilt direction oblique to the first tilt direction to the group of the liquid crystal molecules.

Claims29

Dependent claims

A liquid crystal display comprising:

first and second panels facing each other, interposing a gap therebetween, and the first panel having a first field generating electrode and the second panel having a second field generating electrodes;
a liquid crystal layer filled in the gap and including a plurality of liquid crystal molecules;
first and second tilt direction defining members disposed on the first and the second panels, respectively, and giving a first tilt direction to a group of the liquid crystal molecules;
and
a third tilt direction defining member disposed on one of the first and the second panels and giving a second tilt direction oblique to the first tilt direction to the plurality of liquid crystal molecules,
wherein the second tilt direction makes an angle of about 40 to about 50 degrees with the first tilt direction.

3 more elements

A liquid crystal display comprising:

a first substrate having first and second surfaces;
a common electrode formed on the first surface of the first substrate;
a first tilt direction defining member formed on the first substrate and extending in a first direction;
a first alignment layer formed on the common electrode;
a first polarizer disposed on the second surface of the first substrate;
a second substrate having a first surface facing the first surface of the first substrate and a second surface;
a gate line formed on the first surface of the second substrate;
a gate insulating layer formed on the gate line;
a data line formed on the gate insulating layer;
a passivation layer formed on the data line;
a pixel electrode formed on the passivation layer;
a second tilt direction defining member formed on the second substrate and extending in the first direction;
a second alignment layer formed on the pixel electrode;
a second polarizer disposed on the second surface of the second substrate;
and
a liquid crystal layer disposed between the first alignment layer and the second alignment layer and including a plurality of liquid crystal molecules,
wherein the first tilt direction defining member includes one of at least one cutout in the common electrode and at least one protrusion on the common electrode, and the second tilt direction defining member includes one of at least one cutout in the pixel electrode and at least one protrusion on the pixel electrode,
wherein the passivation layer has one of a plurality of trenches extending in at least one extending direction oblique to the first direction disposed between the first tilt direction defining member and the second tilt direction defining member, at least one of the first and the second alignment layers has experienced pretilt treatment giving at least one pretilt direction oblique to the first direction to the liquid crystal molecules, and
wherein the at least one extending direction and the at least one pretilt direction make an angle of about 40 degrees to about 50 degrees.

16 more elements

Dependencies are inferred from the claim text.

Liquid crystal display

Life of this patent

Liquid crystal display

Life of this patent

Abstract

Claims29