Polarizing plate with optical compensation layer and organic el panel using same

A polarizing plate with optical compensation layers, comprising in the following order:

• a polarizer;
• a first optical compensation layer;
• and
• a second optical compensation layer,
• wherein the first optical compensation layer shows a refractive index characteristic of nx>nz>ny, and has an Re(550) of from 230 nm to 310 nm and an Nz coefficient of from 0.1 to 0.4,
• wherein the second optical compensation layer shows a refractive index characteristic of nx>nz>ny, has an Re(550) of from 100 nm to 180 nm and an Nz coefficient of from 0.3 to 0.7, and satisfies a relationship of Re(450)<Re(550),
• wherein an absorption axis direction of the polarizer and a slow axis direction of the first optical compensation layer are substantially perpendicular to each other, and
• wherein an angle formed by an absorption axis of the polarizer and a slow axis of the second optical compensation layer is from 35° to 55°,
• where Re(450) and Re(550) represent in-plane retardations measured at 23° C. with light having a wavelength of 450 nm and light having a wavelength of 550 nm, respectively.

A polarizing plate with optical compensation layers, comprising in the following order:

• a polarizer;
• a first optical compensation layer;
• and
• a second optical compensation layer,
• wherein the first optical compensation layer shows a refractive index characteristic of nx>nz>ny, and has an Re(550) of from 230 nm to 310 nm and an Nz coefficient of from 0.6 to 0.9,
• wherein the second optical compensation layer shows a refractive index characteristic of nx>nz>ny, has an Re(550) of from 100 nm to 180 nm and an Nz coefficient of from 0.3 to 0.7, and satisfies a relationship of Re(450)<Re(550),
• wherein an absorption axis direction of the polarizer and a slow axis direction of the first optical compensation layer are substantially parallel to each other, and
• wherein an angle formed by an absorption axis of the polarizer and a slow axis of the second optical compensation layer is from 35° to 55°,
• where Re(450) and Re(550) represent in-plane retardations measured at 23° C. with light having a wavelength of 450 nm and light having a wavelength of 550 nm, respectively.