A kind of oled display substrate and its manufacturing method, oled display device
A technology for display substrates and substrate substrates, which is applied in semiconductor/solid-state device manufacturing, semiconductor devices, electrical components, etc., and can solve the problems of large volume occupied by OLED displays and the inability to meet the thinning and thinning of OLED displays.
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Embodiment 1
[0072] figure 1 Schematic structure of the OLED display substrate provided for the embodiment of the present invention Figure 1 ,Such as figure 1 As shown, the embodiment of the present invention provides an OLED display substrate, including: a base substrate 10, an OLED device layer 20 disposed on the base substrate 10, and an encapsulation layer 30 for encapsulating the OLED device layer 20, and the OLED display substrate also It includes: a piezoelectric functional layer 40 .
[0073] Specifically, the piezoelectric functional layer 40 is disposed on a side of the encapsulation layer 30 away from the base substrate 10 , and is used for generating mechanical vibrations under the action of electrical signals to generate ultrasonic waves or audible sound waves.
[0074] Optionally, the manufacturing material of the base substrate 10 includes: glass, plastic, quartz, or polyimide, etc., which is not limited in this embodiment of the present invention.
[0075] Specifically,...
Embodiment 2
[0122] Based on the inventive concepts of the above embodiments, the embodiments of the present invention also provide a method for manufacturing an OLED display substrate, Figure 14 A flow chart of a method for manufacturing an OLED display substrate provided in an embodiment of the present invention, such as Figure 14 As shown, the manufacturing method of the OLED display substrate provided by the embodiment of the present invention specifically includes the following steps:
[0123] Step 100, providing a base substrate.
[0124] Optionally, the manufacturing material of the base substrate includes: glass, plastic, quartz, or polyimide, etc., which is not limited in this embodiment of the present invention.
[0125] Step 200, forming an OLED device layer on the base substrate.
[0126] Specifically, the OLED device layer includes: a thin film transistor and an anode, a light-emitting layer, and a cathode disposed on the thin film transistor, wherein the thin film transis...
Embodiment 3
[0172] Based on the inventive concepts of the above embodiments, the embodiments of the present invention further provide an OLED display device, including: an OLED display substrate.
[0173] Wherein, the OLED display substrate is the OLED display substrate provided in Embodiment 1, and its realization principle and realization effect are similar, and will not be repeated here.
[0174] Specifically, the OLED display device may be any product or component with a display function such as an OLED panel, a mobile phone, a tablet computer, a television set, a monitor, a notebook computer, a digital photo frame, a navigator, and the like.
[0175] The drawings of the embodiments of the present invention only relate to the structures involved in the embodiments of the present invention, and other structures may refer to common designs.
[0176] In the drawings used to describe embodiments of the present invention, the thickness and size of layers or microstructures are exaggerated ...
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