Oled ("organic light emitting diode") teller windows

A method for enabling a four-plane, two-sided OLED (“organic light-emitting diode”) window in a teller booth, the method comprising:

• establishing an initiation state, wherein the four planes of the OLED window are transparent;
• receiving banking information from the human being at a first plane of the OLED window;
• powering on a second plane of the OLED window, said second plane being adjacent to the first plane, said second plane displaying, to the human being, transaction information associated with a transaction associated with the human being;
• and
• enabling the first plane and a third plane, said third plane being located in the rear of the first plane, of the OLED window to remain transparent to enable a teller, located on a side of the window opposite from the user, to make visual contact with the user;
• and
• powering on a fourth plane, said fourth plane being located in the rear of the second plane, said fourth plane displaying the transaction information to the teller.

A four-plane, two-sided OLED (“organic light-emitting diode”) teller window comprising:

• a first OLED plane;
• a second OLED plane;
• a third OLED plane;
• a fourth OLED plane;
• a first configurably-opaque layer;
• and
• a second configurably-opaque layer;
• wherein:
• the first OLED plane faces a first direction and the third OLED plane faces a second direction, said first direction and second direction being substantially opposite directions;
• the first configurably-opaque layer is located in between the first OLED plane and the third OLED plane;
• the second OLED plane faces the first direction and the fourth OLED plane faces the second direction;
• the second configurably-opaque layer is located in between the second OLED plane and the fourth OLED plane;
• the first OLED plane and the second OLED plane are side-by-side;
• and
• the third OLED plane and the fourth OLED plane are side-by-side.