H10K59/874

Organic EL display device

A the organic EL display 1 includes: a first substrate 10; an organic EL element 4 provided above the first substrate 10; and a multilayer sealing film 2 provided above the first substrate 10 to cover the organic EL element 4, and including a barrier layer and a buffer layer lower in hardness than the barrier layer. The organic EL element covered with the multilayer sealing film includes a protrusion, and a relationship (d/h)<2 holds where h is a height of the protrusion directly below the buffer layer and d is a thickness of the buffer layer.

OLED DISPLAY

The OLED display of the invention comprises a TFE layer, comprising: inorganic passivation layers, organic buffer layers and a moisture/oxygen quenching layer (MOQL), wherein the inorganic passivation layers and the organic buffer layers form a stacked structure, and the MOQL comprises a first MOQL located between the stack structure and OLED layer, or a second MOQL located between the two inorganic passivation layers, or a combination of two. In TFE layer, the MOQL can effectively prevent, through physisorption or chemical reaction, the damage of the OLED device caused by moisture/oxygen without affecting the luminescence performance of the OLED device so as to enhance the OLED device lifespan, and release the stress of inorganic passivation layers in TFE layer, reduce the number of layers and thickness of the TFE layer, thereby reduce the thickness of the OLED display and improve the flexibility of flexible OLED display.

DISPLAY DEVICE
20180248148 · 2018-08-30 ·

A display device includes: a resin layer on the circuit layer including a groove surrounding and separating a display area; light-emitting elements on an upper surface of the resin layer so as to emit light with luminances controlled by the currents; a sealing layer covering the light-emitting elements; a second substrate above the sealing layer; a sealing material provided between the sealing layer and the second substrate so as to surround the display area and the groove; and a filling layer surrounded by the sealing material between the sealing layer and the second substrate. The groove is formed along a line describing a shape that is inscribed in a rectangle and not in contact with corners of the rectangle as viewed in a direction vertical to the upper surface of the resin layer.

Flat display apparatus and method of manufacturing the same

A flat display apparatus includes a first substrate, a display unit on the first substrate, a second substrate opposite the first substrate, a touch screen layer on a bottom surface of the second substrate that faces the display unit, a protection layer on the bottom surface of the second substrate, covering the touch screen layer, and including an inorganic layer, and a sealing member between the first substrate and the protection layer, surrounding the display unit, and binding the first and second substrates together by binding to the inorganic layer of the protection layer.

Organic EL display device

An organic EL display 1 includes a sealing film 2 provided on a plastic substrate 10 to cover an organic EL element 4. The sealing film 2 includes a first sealing layer 25 on a surface of the plastic substrate 10, three stress relief layers 26, 27, and 28 on a surface of the first sealing layer 25, and a second sealing layer 29 on a surface of the stress relief layer 28. The stress relief layers 26, 27, and 28 each have a higher coefficient of thermal expansion than the first and second sealing layers 25 and 29. The stress relief layer 27 interposed between the stress relief layers 26 and 28 has a higher coefficient of thermal expansion than the stress relief layers 26 and 28.

OLED DISPLAY DEVICE AND METHOD FOR DETECTING AND REPAIRING PACKAGING EFFECTS OF THE SAME
20180233705 · 2018-08-16 ·

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.

LIGHT EMITTING ELEMENT, LIGHT EMITTING DEVICE, AND ELECTRONIC APPARATUS

An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.

MANUFACTURING METHOD FOR FLEXIBLE OLED AND FLEXIBLE OLED
20180226609 · 2018-08-09 ·

The invention provides a manufacturing method for flexible OLED, using a magnetic substrate as the carrier substrate to magnetically attract the flexible magnetic thin film to be fixed, and then forming a polymer thin film on the flexible magnetic film, forming an OLED device on the polymer thin film, and then encapsulating the OLED device to complete manufacturing the flexible OLED. The method is simple, and achieves lossless separation between the flexible magnetic thin film and the magnetic substrates by degaussing the magnetic substrate. Moreover, the flexible magnetic thin film is preferably a metal thin film able to cut off moisture to improve the stability of OLED devices, and by encapsulating OLED device to further enhance the reliability of the OLED device performance. The flexible OLED of the invention is easy to manufacture and achieves excellent performance.

DISPLAY SUBSTRATE, DISPLAY PANEL, DISPLAY APPARATUS, AND METHOD OF FABRICATING DISPLAY SUBSTRATE AND DISPLAY PANEL

The present application discloses a display panel. The display panel includes a first substrate; and a second substrate facing the first substrate. The first substrate includes a base substrate and a passivation layer on the base substrate. The passivation layer includes a base portion and a protruding portion on a side of the base portion distal to the base substrate. The protruding portion is in a peripheral area of the display panel and encloses a display area of the display panel.

Method of manufacturing the display apparatus including first inorganic layer and second inorganic layer

A display apparatus and an apparatus for and method of manufacturing the display apparatus. The display apparatus includes: a substrate; a display unit formed on the substrate; and a thin film encapsulation layer formed on the display unit. The thin film encapsulation layer includes an inorganic layer, and the inorganic layer includes a first sub-inorganic layer including a compound oxide including at least two of aluminum (Al), zinc (Zn), zirconium (Zn), and hafnium (Hf).