The invention relates to a preparation method of a flexible substrate base plate and a preparation method of a flexible OLED (organic light emitting diode) display, wherein the preparation method of the flexible substrate base plate comprises the following steps of providing a hard carrier base plate; forming an organic substrate layer on the hard carrier base plate, wherein the organic substrate layer is of a pattern structure and comprises a plurality of mutually separated organic substrate patterns, and each organic substrate pattern corresponds to one screen body region; forming an inorganic blocking layer on the organic substrate layer, wherein the inorganic blocking layer is of an integral surface structure, simultaneously covers the plurality of organic substrate patterns and covers the peripheral side walls of each organic substrate pattern, so that the flexible substrate base plate is prepared. In the preparation method of the flexible substrate base plate, the peripheral side wall of each organic substrate pattern (corresponding to each screen body) is covered by the inorganic blocking layer; the water and oxygen blocking capability of the front side and the lateral side of the flexible substrate base plate can be greatly improved; the water and oxygen blocking performance of the side surface of the flexible display screen body can be effectively improved.

Preparation method of flexible substrate base plate and preparation method of flexible OLED (organic light emitting diode) display

The invention discloses an OLED display device and a packaging effect maintenance method thereof, relates to the technical field of display, and aims at enhancing the ex-factory pass rate of the OLED display device. The OLED display device comprises an underlying substrate, an OLED device and a packaging structure. A packaging cavity is formed between the packaging structure and the underlying substrate. The OLED device is arranged in the packaging cavity. The OLED display device also comprises a detection part which is arranged in the packaging cavity. The chemical activity of the detection part for water or/and oxygen is the same with that of the OLED device for water or/and oxygen, or the chemical activity of the detection part for water or/and oxygen is the higher than that of the OLED device for water or/and oxygen. The OLED display device is used for displaying frames.

OLED display device and packaging effect maintenance method thereof

The invention relates to a display panel, a manufacturing method thereof and a display device. The display panel comprises a substrate base plate and further comprises an organic light-emitting deviceand a packaging structure which are arranged on the substrate base plate, the substrate base plate comprises a display area and a non-display area located around the display area, the organic light-emitting device is located in the display area, the packaging structure comprises a first bonding layer which is arranged on the substrate base plate and covers the organic light-emitting device, a water absorbing layer which is arranged on the first bonding layer and surrounds the edge of the display area, a second bonding layer which is arranged on the first bonding layer and covers the water absorbing layer, and a barrier layer arranged on the second bonding layer. In this way, the bonding layers of the packaging structure adopt the mode of arranging the water absorbing layer between the twobonding layers, and the water absorbing layer surrounds the display area so that water vapor can be prevented from intruding into the organic light-emitting device from the outer sides of the bondinglayers, the requirements for the packaging life can be met, and meanwhile, the requirements for the penetration rate can also be met.

Display panel, manufacturing method thereof and display device

An OLED display device and a method for detecting and repairing packaging effects of the same are disclosed in order to improve the production yield of OLED display devices, which relate to the field of display technologies. The OLED display device includes a substrate, an OLED element and a packaging structure, a packaging cavity being formed between the packaging structure and the substrate, the OLED element being located within the packaging cavity. The OLED display device further includes a detection unit, the detection unit being located within the packaging cavity and having a chemical activity for oxygen not lower than that of the OLED element.

OLED display device and method for detecting and repairing packaging effects of the same

The embodiment of the invention provides an OLED display panel and a preparation method thereof, a package portion failure determination method, and a display device, and relates to the field of display technology. The problem is solved that occurrence of package structure failure cannot be determined in the manufacturing process of an OLED display in the prior art. The OLED display panel comprises an OLED light-emitting component and a package portion which are located on the first substrate, the OLED light-emitting component is located at a luminous zone of the OLED display panel, and the OLED light-emitting component is coated with the package portion; the OLED display panel further comprises a water vapor detection portion located on the first substrate, the water vapor detection device is arranged between an edge of the luminous zone and an edge of an inner side of the package portion, the water vapor detection portion comprises a hydrophobic film layer and a hydrophilic film layer arranged in a stacking mode, after the hydrophilic film layer absorbs water, and wrinkles are generated at an interface of the hydrophobic film layer and the hydrophilic film layer.

OLED display panel and preparation method thereof, package portion failure determination method, and display device

The invention discloses a display device, a flexible display panel and a manufacturing method thereof. The flexible display panel comprises a flexible substrate, a first barrier layer, display parts, a second barrier layer and a barrier effect indication layer, wherein the first barrier layer is arranged on the flexible substrate; the display parts are arranged on the first barrier layer; the second barrier layer is arranged on the first barrier layer, and covers the display parts; the barrier effect indication layer is arranged between the first barrier layer and the second barrier layer, and surrounds the display parts. The flexible display panel can indicate the packaging effect thereof, and ensures packaging effect thereof, thereby guaranteeing photoelectric characteristics of an organic light emitting diode device, and prolonging the service life of the organic light emitting diode device.

Chen Haijing

Papers

Display device, flexible display panel and manufacturing method thereof