US 10,380,947 B2 · Organic light-emitting display device and method of driving the same

Abstract

A display including first to n-th pixels electrically connected with a first data line, and a data compensator for generating a reference voltage of a k-th pixel (k being between 1 and n) based on a first coupling voltage between the k-th pixel and the first data line and a second coupling voltage between the k-th pixel and a second data line, and comparing an average voltage generated based on a reference voltage of at least one of the first to n-th pixels with the reference voltage of the k-th pixel to generate a compensation signal, wherein the reference voltage of at least one of the first to n-th pixels is based on a coupling voltage between the at least one of the first to n-th pixels and the first data line and based on a coupling voltage between the pixels and the second data line.

Claims20

Dependent claims

An organic light-emitting display device, comprising

a plurality of pixels comprising first to n-th pixels (n is a natural number of 2 or more) electrically connected with a first data line extending in a second direction, and
a data compensator for generating a reference voltage of a k-th pixel of the pixels (k being a natural number of 1 or more, and of n or less) based on a first coupling voltage between the k-th pixel and the first data line and based on a second coupling voltage between the k-th pixel and a second data line adjacent to the first data line in a first direction crossing the second direction, and for comparing an average voltage generated based on a reference voltage of at least one of the first to n-th pixels with the reference voltage of the k-th pixel to generate a compensation signal,
wherein the reference voltage of at least one of the first to n-th pixels is generated based on a coupling voltage between the at least one of the first to n-th pixels and the first data line and based on a coupling voltage between the at least one of the first to n-th pixels and the second data line.

A method of driving an organic light-emitting display device comprising a plurality of pixels comprising first to n-th pixels (n being a natural number of 2 or more) that are electrically connected with a first data line, the method comprising:

generating a reference voltage of a k-th pixel (k being a natural number of 1 or more and n or less) among the first to n-th pixels based on a first coupling voltage between the k-th pixel and the first data line, and based on a second coupling voltage between the k-th pixel and a second data line that is adjacent to the first data line in a second direction;
generating an average voltage based on a first accumulated voltage obtained by adding the reference voltages of the first pixel to the k-th pixel;
and
generating a compensation signal by comparing the reference voltage of the k-th pixel with the average voltage.

1 more element

Dependencies are inferred from the claim text.

Organic light-emitting display device and method of driving the same

Life of this patent

Organic light-emitting display device and method of driving the same

Life of this patent

Abstract

Claims20