Liquid crystal display device
View Patent ↗A liquid crystal display device includes first and second substrates facing each other and having a pixel region; a liquid crystal layer between the first and second substrates; a first polarizer on an outer surface of the second substrate; and a friction reducing layer on an outer surface of the first polarizer.
1. A liquid crystal display device, comprising:
first and second substrates facing each other and having a pixel region;
a liquid crystal layer between the first and second substrates;
a first polarizer on an outer surface of the second substrate; and
a friction reducing layer on an outer surface of the first polarizer,
wherein the friction reducing layer has a friction coefficient smaller than that of a top layer of the first polarizer contacting the friction reducing layer or that of a layer contacting the friction reducing layer and between the friction reducing layer and the first polarizer.
2. The device according to claim 1 , wherein the first polarizer includes a polarizing layer, a first protecting layer between the polarizing layer and the second substrate, and a second protecting layer between the polarizing layer and the friction reducing layer.
3. The device according to claim 2 , wherein the polarizing layer is made of poly vinyl alcohol.
4. The device according to claim 2 , wherein the first and second protecting layers are made of one of tri-acetate cellulose, poly carbonate, arton and liquid crystal.
5. The device according to claim 2 , wherein the friction reducing layer has a friction coefficient smaller than that of the second protecting layer contacting the friction reducing layer.
6. The device according to claim 1 , further comprising a compensation layer between the friction reducing layer and the first polarizer.
7. The device according to claim 6 , wherein the friction reducing layer has a friction coefficient smaller than that of the compensation layer contacting the friction reducing layer.
8. The device according to claim 1 , further comprising a second polarizer on an outer surface of the first substrate.
9. The device according to claim 1 , further comprising gate and data lines defining the pixel region, and pixel and common electrodes on an inner surface of the first substrate in the pixel region.
10. The device according to claim 1 , further comprising a color filter pattern on an inner surface of the second substrate corresponding to the pixel region.
11. The device according to claim 1 , further comprising an adhesive layer between the first polarizer and the second substrate.
12. A liquid crystal display device, comprising:
a liquid crystal panel having first and second substrates facing each other, and a liquid crystal layer between the first and second substrates;
a first polarizer on an upper surface of the liquid crystal panel; a friction reducing layer on an outer surface of the first polarizing layer; and
an outer case covering side portions and a lower surface of the liquid crystal panel,
wherein the friction reducing layer has a friction coefficient smaller than that of a top layer of the first polarizer contacting the friction reducing layer or that of a layer contacting the friction reducing layer and between the friction reducing layer and the first polarizer.
13. The device according to claim 12 , wherein the first polarizer includes a polarizing layer, a first protecting layer between the polarizing layer and the liquid crystal panel, and a second protecting layer between the polarizing layer and the friction reducing layer.
14. The device according to claim 13 , wherein the friction reducing layer has a friction coefficient smaller than that of the second protecting layer contacting the friction reducing layer.
15. The device according to claim 12 , further comprising a compensation layer between the friction reducing layer and the first polarizer.
16. The device according to claim 15 , wherein the friction reducing layer has a friction coefficient smaller than that of the compensation layer contacting the friction reducing layer.
17. The device according to claim 12 , further comprising a second polarizer on the lower surface of the liquid crystal panel.
18. A display device, comprising:
a display panel;
a first polarizer on an upper surface of the display panel;
a friction reducing layer on an outer surface of the first polarizing layer; and
an outer case covering side portions and a lower surface of the display panel,
wherein the friction reducing layer has a friction coefficient smaller than that of a top layer of the first polarizer contacting the friction reducing layer or that of a layer contacting the friction reducing layer and between the friction reducing layer and the first polarizer.
19. The device according to claim 18 , wherein the first polarizer includes a polarizing layer, a first protecting layer between the polarizing layer and the display panel, and a second protecting layer between the polarizing layer and the friction reducing layer.
20. The device according to claim 19 , wherein the friction reducing layer has a friction coefficient smaller than that of the second protecting layer contacting the friction reducing layer.
21. The device according to claim 18 , further comprising a compensation layer between the friction reducing layer and the first polarizer.
22. The device according to claim 21 , wherein the friction reducing layer has a friction coefficient smaller than that of the compensation layer contacting the friction reducing layer.
23. The device according to claim 18 , further comprising a second polarizer on the lower surface of the display panel.