Liquid crystal display device with color filter covering extended black matrix at a seal pattern region at periphery of the display active region
AssigneeLG Display Co., Ltd.
InventorsJae Kyun Lee, Seung Ryull Park
Life of this patent
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Abstract
A liquid crystal display device includes: upper and lower substrates facing each other, an active region and a non-active region being defined therein; a liquid crystal layer interposed between the upper substrate and the lower substrate; a black matrix formed in the non-active region of the upper or lower substrate; and a color filter overlapping the black matrix formed in the non-active region. The color filter is formed of one of red, green and blue color filters having a low transmittance with respect to a specific wavelength of light so as to prevent transmission of the light of the specific wavelength.
Claims14
A liquid crystal display device comprising:
- a lower substrate having a thin film transistor, a pixel electrode and a common electrode the pixel electrode and the common electrode being configured in a finger type arrangement;
- an upper substrate facing the lower substrate, wherein an active region and a non-active region are defined in the lower and the upper substrates, the active region includes a plurality of pixel regions, and the non-active region is defined by a periphery or seal pattern region of the active region;
- a liquid crystal layer interposed between the upper substrate and the lower substrate;
- a black matrix formed on the upper substrate in the active region;
- an another black matrix formed on the upper substrate in the non-active region, the another black matrix extending the black matrix;
- red, green and blue color filters partially overlapping the black matrix in the active region;
- and
- an another color filter formed overlapping the another black matrix in the non-active seal pattern region,
- wherein the another color filter covers the black matrix and the another black matrix.
A method of fabricating a liquid crystal display device, comprising:
- forming a lower substrate having a thin film transistor, a pixel electrode and a common electrode the pixel electrode and the common electrode being configured in a finger type arrangement;
- forming an upper substrate that faces the lower substrate, wherein an active region and a non-active region are defined in the lower and the upper substrates, the active region includes a plurality of pixel regions, and the non-active region is defined by a periphery or seal pattern region of the active region;
- forming a liquid crystal layer between the upper substrate and the lower substrate;
- forming a black matrix on the upper substrate in the active region;
- an another black matrix formed on the upper substrate in the non-active region, the another black matrix extending the black matrix;
- forming red, green and blue color filters partially overlapping the black matrix in the active region;
- and
- forming an another color filter that overlaps the another black matrix in the non-active seal pattern region,
- wherein the another color filter covers the black matrix and the another black matrix.
A liquid crystal display device comprising:
- a lower substrate having a thin film transistor and a pixel electrode;
- an upper substrate facing the lower substrate and having a common electrode, wherein an active region and a non-active region are defined in the lower and the upper substrates, the active region includes a plurality of pixel regions, and the non-active region is defined by a periphery or seal pattern region of the active region;
- a liquid crystal layer interposed between the upper substrate and the lower substrate;
- a black matrix formed on the upper substrate in the active region;
- an another black matrix formed on the upper substrate in the non-active region, the another black matrix extending the black matrix;
- red, green and blue color filters partially overlapping the black matrix in the active region;
- and
- an another color filter formed overlapping the another black matrix in the non-active seal pattern region,
- wherein the another color filter covers the black matrix and the another black matrix.
A liquid crystal display device comprising:
- a lower substrate having a thin film transistor and a pixel electrode;
- an upper substrate facing the lower substrate and having a common electrode, wherein an active region and a non-active region are defined in the lower and the upper substrates, the active region includes a plurality of pixel regions, and the non-active region is defined by a periphery or seal pattern region of the active region;
- a liquid crystal layer interposed between the upper substrate and the lower substrate;
- a black matrix formed that covers the thin film transistor, is formed on the lower substrate, and is connected to a drain electrode of the thin film transistor;
- an another black matrix formed on the lower substrate in the non-active region, the another black matrix extending the black matrix;
- red, green and blue color filters formed in the active region;
- and
- an another color filter spaced apart from the red, green and blue color filters in the non-active region and in the same layer as the red, green and blue color filters,
- wherein the another color filter covers the another black matrix in the non-active region seal pattern, and
- wherein the pixel electrode is formed in each pixel region in connection with the black matrix.
Dependencies are inferred from the claim text.