Method and apparatus for fabricating flat panel display
AssigneeLG Display Co., Ltd.
InventorJong Hee Hwang
Life of this patent
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Abstract
A fabricating method of a flat panel display device includes inspecting the flat panel display device by supplying test data and a test scan signal to data electrodes of the flat panel display device to generate an inspection result, judging a location of a panel defect in the flat panel display device and a degree of the panel defect at the panel defect location in accordance with the inspection result and determining compensation data for compensating the degree of the panel defect, and storing the compensation data for compensating the degree of the panel defect at a data modulation memory of the flat panel display device.
Claims30
A method of fabricating a flat panel display device, comprising:
- inspecting the flat panel display device by supplying test data and a test scan signal to data electrodes of the flat panel display device to generate an inspection result;
- judging a location of a panel defect in the flat panel display device and a degree of the panel defect at the panel defect location in accordance with the inspection result and determining compensation data for compensating the degree of the panel defect;
- and
- storing the compensation data for compensating the degree of the panel defect at a data modulation memory of the flat panel display device,
- wherein the flat panel display device comprises:
- a compensation circuit connected to the data modulation memory and utilizing the compensation data to modulate the data, which are to be displayed at the panel defect location;
- a liquid crystal display panel where a plurality of data lines cross a plurality of gate lines, and a plurality of liquid crystal cells are arranged;
- a data drive circuit for driving the data lines by utilizing the data modulated with the compensation data;
- a gate drive circuit for supplying a scan pulse to the gate lines;
- and
- a timing controller for controlling the drive circuits and supplying the compensation data to the data drive circuit,
- wherein the compensation circuit is embedded in the timing controller.
A fabricating apparatus of a flat panel display device, comprising:
- an inspection device for inspecting the flat panel display device by supplying test data and a test scan signal to data electrodes of the flat panel display device to generate an inspection result;
- a panel defect judging device for judging a location of a panel defect in the flat panel display device and a degree of the panel defect at the panel defect location in accordance with the inspection result of the inspection device and determining compensation data for compensating the degree of the panel defect;
- and
- a memory recording device for storing the compensation data for compensating the degree of the panel defect at a data modulation memory of the flat panel display device,
- wherein the flat panel display device comprises:
- a compensation circuit connected to the data modulation memory and utilizing the compensation data to modulate the data, which are to be displayed at the panel defect location;
- a liquid crystal display panel where a plurality of data lines cross a plurality of gate lines, and a plurality of liquid crystal cells are arranged;
- a data drive circuit for driving the data lines by utilizing the data modulated with the compensation data;
- a gate drive circuit for supplying a scan pulse to the gate lines;
- and
- a timing controller for controlling the drive circuits and supplying the compensation data to the data drive circuit,
- wherein the compensation circuit is embedded in the timing controller.
Dependencies are inferred from the claim text.