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OLED display panel, manufacturing method thereof and display device

A technology for display panels and manufacturing methods, applied in semiconductor/solid-state device manufacturing, electrical components, electric solid-state devices, etc., can solve the problems of large size, top-emitting OLED panels that cannot be achieved, and top-emitting OLED panels that are not easy to realize. Achieve the effects of improving electrical performance, reducing resistance, and simplifying the manufacturing process

Active Publication Date: 2020-07-10
BOE TECH GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, large-sized top-emitting OLED panels are not easy to realize. Due to the large IR drop (voltage drop) of top-emitting OLED panels, top-emitting OLED panels cannot be made into large sizes.

Method used

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  • OLED display panel, manufacturing method thereof and display device
  • OLED display panel, manufacturing method thereof and display device
  • OLED display panel, manufacturing method thereof and display device

Examples

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Embodiment Construction

[0051] In order to make the technical problems, technical solutions and advantages to be solved by the embodiments of the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0052] figure 1 It is a schematic structural diagram of a top-emitting OLED display panel. The top-emitting OLED display panel includes an OLED display substrate and an encapsulation cover set in a box with the OLED display substrate. The OLED display substrate includes a substrate 1, a pixel defining layer 2 on the substrate 1, and an anode 3. The luminescent layer 4 and the cathode 5; wherein, the cathode 5 is a light-transmitting cathode. In order to reduce the voltage drop of the cathode 5, an auxiliary cathode 7 can be formed on the package cover plate 6. The auxiliary cathode 7 is connected in parallel with the cathode 5, which can reduce the pressure drop of the cathode 5. resistance, thereby reducing the IR Drop on the cathode ...

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Abstract

The invention provides an OLED display panel, a manufacturing method thereof and a display device, and belongs to the technical field of display. The OLED display panel comprises an OLED display substrate and a packaging cover plate, the OLED display substrate and the packaging cover plate are arranged in a box-to-box manner, a plurality of conductive spacers are arranged on the packaging cover plate in an array manner, and a light-transmitting cathode of the OLED display substrate is in contact with the conductive spacers. Through the OLED display panel of the invention, the IR drop of the OLED display panel can be reduced, and the electrical performance of the OLED display panel is improved.

Description

technical field [0001] The invention relates to the field of display technology, in particular to an OLED display panel, a manufacturing method thereof, and a display device. Background technique [0002] At present, small-sized top-emitting AMOLED (Active-matrix organic light-emitting diode, active-matrix organic light-emitting diode) panels have been successfully commercialized, and have gained most of the market share among mobile phone brands. Large-sized, such as 55-inch Bottom-emitting OLED panels above are also dominating the TV market. However, it is not easy to realize a large-sized top-emitting OLED panel. Since the IR drop (voltage drop) of the top-emitting OLED panel is large, the top-emitting OLED panel cannot be made into a large size. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an OLED display panel, its manufacturing method, and a display device, which can reduce the IR drop of the OLED displ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/52H01L51/56H01L27/32
CPCH10K59/12H10K50/824H10K50/828H10K50/82H10K50/84H10K71/00
Inventor 齐永莲曲连杰张珊赵合彬尤杨吕振华石广东
Owner BOE TECH GRP CO LTD