Liquid crystal display device
View Patent ↗The present invention provides a liquid crystal display device to protect device users from EMI coming from the liquid crystal display panel. The liquid crystal display device of the present invention comprises: a first substrate, wherein the substrate has a black matrix; a second substrate; a liquid crystal layer between the first substrate and the second substrate; and a first electro-magnetic interference shield layer on the first substrate, wherein the position of the first electro-magnetic interference shield layer corresponds to the position of the black matrix.
1. A liquid crystal display device, comprising:
a first substrate;
a second substrate comprising a thin film transistor array thereon;
a black matrix on one of the first substrate and the second substrate;
a color filter between the black matrix;
a liquid crystal layer between the first substrate and the second substrate;
a patterned first electro-magnetic interference shield layer on the first substrate and exposing a portion of the first substrate, wherein the position of the first electro-magnetic interference shield layer corresponds to the position of the black matrix, and the patterned first electro-magnetic interference shield layer is a conductive material and not electrically connected to the thin film transistor array, and wherein the material of the first electro-magnetic interference shield layer is selected from the group consisting of non-transparent materials and transparent materials; and
a second electro-magnetic interference shield layer on the first substrate covering the first electro-magnetic interference shield layer, wherein the material of the second electro-magnetic interference shield layer is a transparent material.
2. A liquid crystal display device, comprising:
a first substrate;
a second substrate comprising a thin film transistor array thereon;
a black matrix on one of the first substrate and the second substrate;
a color filter between the black matrix;
a liquid crystal layer between the first substrate and the second substrate;
a patterned first electro-magnetic interference shield layer on the first substrate and exposing a portion of the first substrate, wherein the position of the first electro-magnetic interference shield layer corresponds to the position of the black matrix, wherein the patterned first electro-magnetic interference shield layer is a conductive material and not electrically connected to the thin film transistor array, and wherein the material of the first electro-magnetic interference shield layer is selected from the group consisting of non-transparent materials and transparent materials; and
a second electro-magnetic interference shield layer on the exposed portion of the first substrate, wherein the material of the second electro-magnetic interference shield layer is a transparent material.
3. The liquid crystal display device of claim 2 , wherein the patterned first electro-magnetic interference shield layer is formed on a non-transparent area on the first substrate.
4. The liquid crystal display device of claim 2 , further comprising a planar layer formed on the patterned first electro-magnetic interference shield layer.
5. The liquid crystal display device of claim 2 , wherein the patterned first electro-magnetic interference shield layer is formed in a net form or a strip form.
6. A liquid crystal display device, comprising:
a first substrate;
a second substrate comprising a thin film transistor array thereon;
a black matrix on one of the first substrate and the second substrate;
a color filter between the black matrix;
a liquid crystal layer between the first substrate and the second substrate;
a patterned first electro-magnetic interference shield layer on the first substrate and exposing a portion of the first substrate, wherein the position of the first electro-magnetic interference shield layer corresponds to the position of the black matrix, and wherein the patterned first electro-magnetic interference shield layer is a conductive material and not electrically connected to the thin film transistor array; and
a patterned third electro-magnetic interference shield layer on the second substrate and exposing a portion of the second substrate, wherein the position of the third electro-magnetic interference shield layer corresponds to the position of the black matrix.
7. The liquid crystal display device of claim 6 , wherein the material of the third electro-magnetic interference shield layer is selected from the group consisting of non-transparent materials and transparent materials.
8. The liquid crystal display device of claim 7 , further comprising a fourth electro-magnetic interference shield layer on the second substrate covering the third electro-magnetic interference shield layer, wherein the material of the fourth electro-magnetic interference shield layer is a transparent material.
9. The liquid crystal display device of claim 7 , further comprising a fourth electro-magnetic interference shield layer on the exposed portion of the second substrate, wherein the material of the fourth electro-magnetic interference shield layer is a transparent material.