OLED (Organic Light Emitting Diode) structure for improving color mixing defect and preparation method thereof

• Main Authors: WU DI, WU YUANWU, WANG LINCHONG, LUO WUFENG
• Format: Patent
• Language: Chinese; English
• Published: 04.06.2024
• Subjects: ELECTRICITY

The invention discloses an OLED (Organic Light Emitting Diode) structure for improving a color mixing defect and a preparation method thereof, and relates to the technical field of OLED structures. The OLED structure comprises a metal anode substrate, a functional layer, a packaging layer and a barrier layer, wherein the functional layer, the packaging layer and the barrier layer are sequentially deposited on the metal anode substrate from bottom to top; the functional layer comprises an RGB light-emitting layer; the RGB light-emitting layer comprises an R channel, a G channel and a B channel which are arranged at intervals according to gaps in a set size range; the barrier layer comprises a barrier part and a transmission part; the blocking part is deposited above the packaging layer and is arranged corresponding to the gap on the RGB light-emitting layer; the transmission part is deposited in the rest area except the blocking part above the packaging layer; the influence of color mixing on display can be re