Liquid crystal display device
View Patent ↗A liquid crystal display module includes an observation region to allow a visual inspection be performed after bonding of the substrates for inspecting the sealant that may be otherwise blocked by the common voltage line. An embodiment of a liquid crystal display device includes a first electrode on a first substrate, a second electrode and a third electrode on a second substrate, the second electrode electrically contacting the first electrode at a first portion and the third electrode at a second portion, and including a transparent conductive material, a sealant attaching the first and second substrates together in a sealant region, the sealant between the first and second electrodes and the sealant including a plurality of conductive balls for electrically connecting the first and second electrodes, and a liquid crystal layer between the attached first and second substrates and within the sealant.
1. A liquid crystal display device comprising:
a first substrate and a second substrate;
a sealant between the first and second substrates to attach the first and second substrates together the sealant and the sealant including a plurality of conductive balls:
a plurality of data lines and gate lines disposed perpendicularly from each other to define a plurality of pixel regions in a inner portion from the sealant on the first substrate;
a thin film transistor disposed in each pixel region in the inner portion from the sealant on the first substrate;
a first electrode on the first substrate through the sealant region;
a third electrode on the first substrate in a inner area from the sealant on the first substrate, the third electrode being apart from the sealant in the predetermined distance;
a second electrode on the first substrate, the second electrode being overlapped with a part of the sealant and the third electrode, the second electrode being formed with transparent conductive material;
a liquid crystal layer between the attached first and second substrates and within the sealant,
wherein the second electrode is overlapped with the third electrode at the inner portion that the pixel regions are disposed.
2. The device according to claim 1 , wherein the third electrode is directly on the first substrate.
3. The device according to claim 1 , wherein the third electrode is on at least one insulating layer.
4. The device according to claim 1 , wherein the second electrode contacts the third electrode through a contact hole in at least one insulating layer on the first substrate.
5. The device according to claim 1 , wherein the second electrode electrically connects the conductive balls of the sealant and the third electrode.
6. The device according to claim 1 , wherein the second electrode is in a region where the sealant and the third electrode extend substantially parallel to one another.
7. The device according to claim 1 , wherein the first and third electrodes include a non-transparent conductive material.