A flat panel display capable of lowering an on-current of a driving thin film transistor, maintaining high switching properties of a switching TFT, maintaining uniform brightness using the driving TFT, and maintaining a life span of a light emitting device while the same voltages are applied to the switching TFT and the driving TFT without changing a size of an active layer. A method of cutting a window through a sidewall structure for drilling a lateral wellbore through the window includes the steps of: providing an internal profile in the sidewall structure; then installing the sidewall structure in a parent wellbore; and then cutting the window through the sidewall structure, the cutting step including engaging a cutting tool with the internal profile. The head and torso chamber in the inflated condition acts against a head and a torso of the motor vehicle occupant to generate a restraining force against the occupant to mitigate contact of the occupant head and torso with the upper portion of the instrument panel during the impact event. Then, the image data is corrected with reference to the correction table. All web sites stored within the system are rated in response to the user operations. The separation member has a bent portion that substantially fills in a gap between the turntable and the chamber.