Polarizing plate and liquid crystal display panel having the same
View Patent ↗A polarizing plate formed with an antistatic film preventing the formation of stains caused by the generation of static electricity and a liquid crystal display panel comprising the same. The polarizing plate includes a polarizer polarizing incident light. a first and a second protection film formed on opposing surfaces of the polarizer, respectively, and protecting the polarizer, a first antistatic film formed on the first protection film and an adhesive layer formed on the first antistatic film.
1. A polarizing plate comprising:
a polarizer polarizing incident light;
a first protection film and a second protection film formed on opposing surfaces of the polarizer, respectively, and protecting the polarizer;
a first antistatic film formed on the first protection film;
an optical compensation film formed between the first antistatic film and the first protection film; and
an adhesive layer formed on the first antistatic film, wherein the adhesive layer directly contacts the first antistatic film.
2. The polarizing plate as claimed in claim 1 , further comprising a second antistatic film formed on the second protection film.
3. The polarizing plate as claimed in claim 1 , wherein the polarizer comprises polyvinyl alcohol (PVA).
4. The polarizing plate as claimed in claim 1 , wherein the protection films comprise triacetyl cellulose (TAC).
5. The polarizing plate as claimed in claim 1 , wherein the first antistatic film comprises surfactant.
6. The polarizing plate as claimed in claim 2 , wherein the first and the second antistatic film comprise surfactant.
7. The polarizing plate as claimed in claim 1 , wherein the first antistatic film comprises a conductive polymer material.
8. The polarizing plate as claimed in claim 7 , wherein the conductive polymer material comprises polyethylenedioxythiophene (PEDOT).
9. The polarizing plate as claimed in claim 2 , wherein the first and the second antistatic film comprise a conductive polymer material.
10. The polarizing plate as claimed in claim 9 , wherein the conductive polymer material comprises polyethylenedioxythiophene (PEDOT).
11. A polarizing plate comprising:
a polarizer polarizing incident light;
a first protection film formed on a first surface of the polarizer protecting the polarizer and performing an optical compensation function;
a second protection film formed on a second surface of the polarizer and protecting the polarizer;
first and second antistatic films formed on the first and second protection films, respectively; and
an adhesive layer formed on the first antistatic film, wherein the adhesive layer directly contacts the first antistatic film.
12. A liquid crystal display panel, comprising:
a polarizing plate,
said polarizing plate comprising:
a polarizer polarizing incident light;
protection films formed on opposing surfaces of the polarizer, respectively, and protecting the polarizer;
a first antistatic film formed on one of the protection films;
an optical compensation film formed between the first antistatic film and the first protection film; and
an adhesive layer formed on the first antistatic film, wherein the adhesive layer directly contacts the first antistatic film.
13. A liquid crystal display panel, comprising:
a polarizing plate,
said polarizing plate comprising:
a polarizer polarizing incident light;
a first protection film formed on a surface of the polarizer, protecting the polarizer and performing an optical compensation function;
a second protection film formed on another surface of the polarizer to protect the polarizer;
first and second antistatic films formed on the first and second protection films, respectively; and
an adhesive layer formed on the first antistatic film, wherein the adhesive layer directly contacts the first antistatic film.
14. A method of forming a polarizer plate, the method comprising:
forming a first and a second protection layer on opposing surfaces of a polarizer;
disposing a first antistatic layer on the first protection layer;
disposing an optical compensation film between the first antistatic film and the first protection film; and
disposing an adhesive layer on the first antistatic layer, wherein the adhesive layer directly contacts the first antistatic film.
15. The method as claimed in claim 14 , wherein the first protection layer protects the polarizer and performs an optical compensation function.
16. The method as claimed in claim 14 , further comprising disposing an optical compensation layer between the first protection layer and the first antistatic layer.
17. The method as claimed in claim 14 , further comprising disposing a second antistatic layer on the second protection layer.
18. A method of forming a liquid crystal display, the method comprising:
forming a display panel;
attaching a first polarizing plate and a second polarizing plate on opposing sides of the display panel, wherein the first and second polarizing plates comprise:
a polarizer polarizing incident light;
a first protection film and a second protection film formed on opposing surfaces of the polarizer, respectively, protecting the polarizer;
a first antistatic film formed on the first protection film;
an optical compensation film formed between the first antistatic film and the first protection film; and
an adhesive layer formed on the first antistatic film, wherein the adhesive layer directly contacts the first antistatic film.
19. The method as claimed in claim 18 , wherein the first protection film performs an optical compensation function.