The patents had led to a number of brutal lawsuits between the rivals.
"It was agreed that we two should focus more on cementing our leadership in the global market by cooperation, instead of engaging in all-consuming patent disputes," Samsung Display said in a statement.
"What's most important for both of us is upgrading our competitiveness globally," LG added.
The tech in question was mainly for LCD and OLED hardware, and the companies accused each other of stealing key engineers, as well.
"It was agreed that we two should focus more on cementing our leadership in the global market by cooperation, instead of engaging in all-consuming patent disputes," Samsung Display said in a statement.
"What's most important for both of us is upgrading our competitiveness globally," LG added.
The tech in question was mainly for LCD and OLED hardware, and the companies accused each other of stealing key engineers, as well.