Liquid crystal display device having thin glass substrate on which protective layer formed and method of making the same
View Patent ↗The LCD according to present invention includes a first substrate and a second substrate, two protective layers including at least one layer formed on outer surface of the first and second substrates, a transparent electrode formed on inner surface of the first substrate or the second substrate, an alignment layer formed on the transparent electrode, and two polarizers attached on the first and second substrates.
1. A liquid crystal display device, comprising: a first thin glass substrate and a second thin glass substrate coupled with the first thin glass substrate, each thin glass substrate having a thickness of less than 0.7 mm, at least one of the first and second thin glass substrates having a chemically etched outer surface; and at least one transparent protective layer formed on the chemically etched outer surface of at least one of the first thin glass substrate and the second thin glass substrate, wherein the protective layer has a compressive stress provided on the chemically etched outer surface of at least one of the first thin glass substrate and the second thin glass substrate, to prevent cracks which occur in glass due to an external impact.
2. The liquid crystal display device according to claim 1 , wherein the protective layer is an inorganic layer.
3. The liquid crystal display device according to claim 1 , wherein the protective layer includes one inorganic layer and one organic layer.
4. The liquid crystal display device according to claim 3 , wherein the organic layer includes a thermosetting resin.
5. The liquid crystal display device according to claim 4 , wherein the viscosity coefficient of the thermosetting resin is between approximately several cp and approximately several ten cp.
6. A liquid crystal display device, comprising: a first thin glass substrate and a second thin glass substrate coupled with the first thin glass substrate, each thin glass substrate having a thickness of less than 0.7 mm, at least one of the first and second thin glass substrates having a chemically etched outer surface; and at least one transparent protective layer formed on the chemically etched outer surface of at least one of the first thin glass substrate and the second thin glass substrate, wherein the protective layer has a compressive stress provided on the chemically etched outer surface of at least one of the first thin glass substrate and the second thin glass substrate, to prevent cracks which occur in glass due to an external impact; a transparent electrode formed on an inner surface of the first thin glass substrate or the second thin glass substrate; an alignment layer formed on the transparent electrode; and a liquid crystal layer between the first thin glass substrate and the second thin glass substrate.
7. The liquid crystal display device according to claim 6 , wherein the protective layer is an inorganic layer.
8. The liquid crystal display device according to claim 6 , wherein the protective layer includes at least one inorganic layer and at least one organic layer.
9. The liquid crystal display device according to claim 8 , wherein the organic layer includes a thermosetting resin.
10. The liquid crystal display device according to claim 9 , wherein a viscosity coefficient of the thermosetting resin is between approximately several cp and approximately several ten cp.