Shanghai Tianma Micro-electronics Co., Ltd.

Chinese Academy of Sciences

Shanghai Avic Opto Electronics Co., Ltd.

Chengdu Tianma Micro-electronics Co., Ltd.

Pengfei Qiu

Lihua Wang

Yimiao Ding

Tingting Li

Shengchao Ji

Shumian Xu

Yuheng Zhang

Lidong Chen

Yang Nan

Xun Shi

Jiayin Tang

Peng Gui

Zhiqiang Gao

Shiqi Yang

Qingyu Yang

Provided are a light-emitting panel and a display device. The light-emitting panel includes a base substrate, a first reflective layer and multiple light-emitting elements, and at least one second reflective portion. The first reflective layer and the multiple light-emitting elements are located on the base substrate. The first reflective layer includes a first reflective portion and multiple hollow portions. The multiple light-emitting elements are located in the multiple hollow portions. A gap exists between each of the multiple light-emitting elements in each of the multiple hollow portions and the first reflective portion. The at least one second reflective portion is located between the base substrate and the first reflective layer. In a direction perpendicular to a plane where the base substrate is located, the at least one second reflective portion covers the gap.

Light-emitting panel and display device

Embodiments of the present disclosure provide a driving board, a display panel and a display device. The driving board includes a plurality of pixel regions; the pixel regions each include a pixel circuit, a first power supply structure and a second power supply structure; the first power supply structure is configured to provide a first power voltage and the second power supply structure is configured to provide a second power voltage; the driving board includes a substrate, the pixel circuit, the first power supply structure and the second power supply structure are located at a same side of the substrate; wherein at least one of the first power supply structure and the second power supply structure includes a block structure, at least one inorganic layer is provided at a side of the block structure away from the substrate; and the block structure includes a first block structure, the first block structure includes at least one first opening. The present disclosure can reduce the chance of display anomalies.

Driving board, display panel, and display device

The application relates to a drive substrate, light-emitting panel and display device. The drive substrate is configured to drive a light-emitting element. The drive substrate includes a light-emitting area and a frame area surrounding at least a part of the light-emitting area. The drive substrate includes a substrate; and a device layer disposed on the substrate, the device layer including a pixel drive circuit disposed in the light-emitting area, and an electrostatic discharge circuit, a first signal line and a second signal line disposed in the frame area, the first signal line being electrically connected to at least one of the pixel drive circuit and the light-emitting element, and the second signal line being electrically connected to the electrostatic discharge circuit; wherein the second signal line is disposed on a side of the first signal line away from the light-emitting area and is spaced from the first signal line.

Drive substrate, light-emitting panel and display device

A light-emission driving substrate includes: a substrate; a device layer disposed on the substrate, wherein the device layer comprises a plurality of first signal lines and second signal lines that are disposed in a light-emitting area, and includes a plurality of first connection terminals and second connection terminals that are disposed in a non-light-emitting area, each of the first connection terminals is electrically connected to an anode of the light-emitting element through the first signal line, and each of the second connection terminals is electrically connected to the cathode of a light-emitting element through the second signal line; and wherein a distance between at least one of the first connection terminals and the binding area is smaller than a distance between each of the second connection terminals and the binding area.

Light-emission driving substrate, light-emitting panel, and display device

The present invention relates to a method for preparing a thermoelectric thick film. The method includes: determining a brittle-to-ductile transition temperature of a thermoelectric material; rolling the blocky thermoelectric material within a temperature range above the brittle-to-ductile transition temperature and below a melting point; parameters of the rolling being as follows: a linear speed of rollers is 0.01 mm/s to 10 mm/s, preferably 0.1 mm/s to 5 mm/s, and an amount of pressing each time of the rollers is controlled at 0.0005 mm to 0.1 mm, preferably 0.001 mm to 0.05 mm; repeating the rolling until a thermoelectric thick film with a specified thickness is obtained; and annealing the obtained thermoelectric thick film; a temperature of the annealing being 100° C. to 800° C., preferably 300° C. to 500° C., and a duration of the annealing being 10 to 500 hours, preferably 100 to 300 hours.

Method for preparing thermoelectric thick film

A circuit board and a method for electrical performance detection thereof, a display panel, a method for fabricating a display panel, and a method for driving the display panel are provided. In the electrical performance detection, the signal output terminal is electrically connected to the detection terminal, and detection is performed on the drive signal by the electrical performance detection circuit to determine whether the circuit board is abnormal, achieving the electrical performance detection of the circuit board. In addition, in a process other than the electrical performance detection, the signal output terminal is disconnected from the detection terminal to avoid affecting a normal operation of the circuit board. The electrical performance detection of the circuit board is realized, a defective circuit board is prevented from flowing into a subsequent fabricating procedure, and waste of assembling resources is avoided.

Circuit board and method and device related to the same

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Shanghai, China

Pengfei Qiu