Shanghai Tianma Am-Oled Co., Ltd.

Shanghai Tianma Micro-Electronics Co., Ltd.

Wuhan Tianma Micro-Electronics Co., Ltd

Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch

Jianyun Wang

Jinghua Niu

Shuang Cheng

Xiangcheng Wang

Zhi Zhang

Qing Zhu

Yinhe Liu

Jun Lin

Yuhao Liu

Wanming Hua

Mingzhi Dai

Hamada Yuji

Yibin Xing

Yafei Lin

Provided are an organic compound, a hole injection material, and an application thereof. The organic compound has a structure as shown in Formula I or Formula II, and has a deep LUMO energy level through the mutual synergy of nuclear structures and substituents, and the LUMO energy level is close to the anode work function and the HOMO energy level of a hole transport layer, which can effectively promote the generation of holes. Meanwhile, the organic compound has a suitable molecular weight, low volatility, high thermal stability, and can satisfy the vacuum evaporation requirements for the OLED device preparation. The organic compound is applied to the OLED device, especially suitable as a P-type dopant for a hole injection layer, which can effectively control the charge balance in the device, significantly reduce the drive voltage of the device, prolong the working life, and enable the device to have higher luminous performance.

Organic compound, hole injection material, and application thereof

A display device includes an eyeball tracking inductor, a display panel and a processor, where the processor is electrically connected to the eyeball tracking inductor and the display panel separately; the eyeball tracking inductor is configured to identify user eyeball image information; the processor is configured to determine a gaze region and a split view region of a user viewing the display panel, according to the user eyeball image information, control the gaze region to be displayed at a first resolution, and control the split vision region of the display panel to be displayed at a second resolution, where the first resolution is greater than the second resolution.

Display device and display driving method for a display panel

Organic light-emitting display panel and device are provided for improving performance of the organic light-emitting device. The organic functional layer comprises an organic light-emitting layer and a first electron transmission layer between the cathode and the organic light-emitting layer. The first electron transmission layer comprises a first doping agent, and the first doping agent contains alkaline earth metal elements or rare earth metal elements. A second electron transmission layer is located between the first electron transmission layer and the organic light-emitting layer, and the second electron transmission layer is undoped with the first doping agent. A lowest unoccupied molecular orbital LUMO1 in the first electron transmission layer and a lowest unoccupied molecular orbital LUMO2 in the second electron transmission layer satisfy: |LUMO1&#x2212;LUMO2|&#x3c;0.18 eV. A highest occupied molecular orbital HOMO2 in the second electron transmission layer and a highest occupied molecular orbital HOMO3 of the organic light-emitting layer satisfy: |HOMO2&#x2212;HOMO3|&#x3c;1 eV.

Organic light-emitting display panel and display device

An organic light-emitting display panel and a display device are provided. The display panel includes a plurality of organic light-emitting components, wherein each of the plurality of organic light-emitting components comprises a first electrode, a light-emitting layer and a second electrode that are arranged by stacking, the first electrode has a reflectivity of R, and the second electrode has a reflectivity of R, Rand Rsatisfy: wherein Iis a light intensity at a side of the first electrode, Iis a light intensity at a side of the second electrode, Iis an intrinsic light intensity of the light-emitting layer, &#x3bb; is a wavelength of light emitted by the light-emitting layer, Xis a distance between an exciton recombination center in the light-emitting layer and the first electrode, and L is a length of a microcavity between the first electrode and the second electrode, wherein X+X=L.

The present application discloses an organic light-emitting display panel and a manufacturing method thereof, and an organic light-emitting display device. The organic light-emitting display panel comprises a substrate, a first electrode layer, a second electrode layer, an organic light-emitting functional layer formed between the first electrode layer and the second electrode layer and comprising a plurality of first optical adjustment units, a plurality of second optical adjustment units and at least one light emitting layer covering a display area of the organic light-emitting display panel, and a pixel definition layer partitioning the organic light-emitting functional layer to form a pixel array comprising a first color pixel, a second color pixel and a third color pixel in an array arrangement.

Organic light-emitting display panel and manufacturing method thereof, and organic light-emitting display device

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Shanghai, China

Jianyun Wang