US 2009/0256155 A1 · THIN FILM TRANSISTOR ARRAY PANEL AND METHOD FOR MANUFACTURING THE SAME

Abstract

A thin film transistor panel includes a substrate, a gate line extending in a first direction on the substrate, a data line disposed on the substrate, the data line crossing the gate line with an insulation layer therebetween and extending in a second direction, a thin film transistor including a control terminal connected to the gate line, an input terminal connected to the data line, and an output terminal, a color filter disposed on the thin film transistor, the color filter having an opening corresponding to the output terminal of the thin film transistor, a light blocking member disposed in the opening of the color filter, the light blocking member exposing a first region of a first end portion of the output terminal of the thin film transistor and having an output terminal light blocking portion enclosing the circumference of the first region, and a pixel electrode disposed on the light blocking member and the color filter, the pixel electrode contacting the first region of the output terminal.

Claims18

Dependent claims

A thin film transistor array panel, comprising:

a substrate;
a gate line extending in a first direction on the substrate;
a data line disposed on the substrate, the data line crossing and insulated from the gate line and extending in a second direction;
a thin film transistor comprising a control terminal connected to the gate line, an input terminal connected to the data line, and an output terminal;
a color filter disposed on the thin film transistor, the color filter comprising an opening corresponding to the output terminal of the thin film transistor;
a light blocking member disposed in the opening of the color filter, the light blocking member exposing a first region of a first end portion of the output terminal of the thin film transistor and comprising an output terminal light blocking portion enclosing the first region;
and
a pixel electrode disposed on the light blocking member and the color filter, the pixel electrode contacting the first region of the output terminal.

5 more elements

A method for manufacturing a thin film transistor array panel, comprising:

forming a gate line extending in a first direction;
forming a gate insulating layer on the gate line;
forming a semiconductor on the gate insulating layer;
forming a data line, which extends in a second direction crossing the first direction, and a drain electrode;
forming a passivation layer on the data line and the drain electrode;
forming a color filter on the passivation layer, the color filter having an opening exposing a first end portion of the drain electrode;
forming a drain electrode light blocking member exposing a first region of the first end portion of the drain electrode and enclosing a circumference of the first region in the opening of the color filter;
forming an overcoat on the color filter and the drain electrode light blocking member;
forming a contact hole exposing the first region of the drain electrode by photolithography of the overcoat and the passivation layer;
and
forming a pixel electrode connected to the drain electrode through the contact hole.

8 more elements

Dependencies are inferred from the claim text.

Thin film transistor array panel and method for manufacturing the same

Life of this patent

Thin film transistor array panel and method for manufacturing the same

Life of this patent

Abstract

Claims18