Shanghai Tianma Am-oled Co., Ltd.

Weili Qiao

Jinghua Niu

Xiangcheng Wang

Xiaoqian Sun

Ping An

Shuang Cheng

Qing Zhu

Jun Lin

Yinhe Liu

Lei Wen

Provided are an organic light-emitting display panel and a display device, for improving the light extraction efficiency of OLED display panel. The organic light-emitting display panel includes an array substrate having a plurality of driving elements, and a plurality of organic light-emitting components. Each light-emitting component includes an anode, a cathode and an organic functional layer arranged between the anode and the cathode. The organic functional layer includes a hole transmission region, a light-emitting layer, and an electron transmission region stacked in a sequence from the anode to the cathode. With respect to visible light having a certain wavelength, a refractive index of the light-emitting layer is less than a refractive index of the electron transmission region, and the refractive index of the light-emitting layer is less than a refractive index of the hole transmission region. The above organic light-emitting display panel is applicable to the display device.

Organic light-emitting display panel and display device

Provided are an organic light-emitting display panel and an organic light-emitting display apparatus. The organic light-emitting display panel includes an array base substrate including a plurality of driving elements, and includes a plurality of organic light-emitting devices. Each of the plurality of organic light-emitting devices is corresponding to a respective one of the plurality of driving elements, and the each of the plurality of organic light-emitting devices includes an anode and a cathode, a cathode, an organic luminous layer, an electron transport layer, and a transition layer. The organic luminous layer is disposed between the anode and the cathode, the electron transport layer is disposed between the luminous layer and the cathode, and the transition layer is disposed between the cathode and the electron transport layer, and the transition layer includes an organic material.

Organic light-emitting display panel and organic light-emitting display apparatus

Provided is an organic light-emitting display panel, including an array substrate and an organic light-emitting component. The array substrate includes a plurality of driving elements, and the organic light-emitting component is arranged to be associated with the driving element. The organic light-emitting component includes an anode and a cathode, and an organic functional layer therebetween. The organic functional layer includes an organic light-emitting layer, and an electron transmission region between the cathode and the organic light-emitting layer. The electron transmission region is doped with a first dopant comprising alkaline earth metal or rare earth metal elements. The electron transmission region includes first and second electron transmission layers. The doping concentrations C1, C2 of the first dopant in the first and second electron transmission layers satisfy: 0&#x2264;C2&#x3c;C1. The electron transmission region can be at the same time matched with the cathode and the organic light-emitting layer.

Organic light-emitting display panel and organic light-emitting display device having gradient doped electron transmission regions

An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material&#x3e;(the hole mobility of the blue host material)&#xd7;10under an electric field of 0.2 MV/cm.

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Shanghai, China

Weili Qiao