H10K59/8052

ORGANIC LIGHT-EMITTING DEVICE
20190058127 · 2019-02-21 ·

An organic light-emitting device is provided. The organic light-emitting device includes: a first electrode; a second electrode; an organic layer between the first electrode and the second electrode, the organic layer including: an emission layer; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, 50% or more of a total volume of the second electrode being silver (Ag), the hole transport region including an amine-based polymer including a first repeating unit represented by Formula 1, and a number average molecular weight of the amine-based polymer being about 1,000 or more.

ORGANIC LIGHT EMITTING DISPLAY PANEL

An organic light emitting display panel includes a display region and a non-display region, the display region provided with a gate wiring, a data wiring, an anode wiring and a cathode, wherein the cathode is disposed in a central region of the display region, the gate wiring, the data wiring, and the anode wiring are disposed along an edge region of the display region; the gate wiring has a first gate wiring parallel to a first direction, the data wiring has a first data wiring parallel to the first direction, the anode wiring has a first anode wiring parallel to the first direction, the first direction is a direction from the display region to the non-display region, a width of at least one of the first gate wiring, the first data wiring, and the first anode wiring, is gradually increased in the first direction.

OLED DISPLAY PANEL AND OLED DISPLAY APPARATUS
20190051864 · 2019-02-14 ·

The present invention provides an OLED display panel and an OLED display apparatus. The OLED display panel includes a substrate, an OLED layer, an electro-polarizing layer, a light-sensing layer and a control chip. The OLED layer is mounted on the substrate. The electro-polarizing layer is mounted on the OLED layer and has a polarized state and a non-polarized state. The light-sensing layer is used to transfer an external light signal into an electric signal. The control chip is connected to the OLED layer, the electro-polarizing layer and the light-sensing layer.

DISPLAY DEVICE
20190051854 · 2019-02-14 ·

A display device including a pixel electrode, a counter electrode, and an organic layer arranged between the pixel electrode and the counter electrode, wherein the organic layer includes a hole injection layer in contact with the pixel electrode, a hole transport layer above the hole injection layer, a light emitting layer and an electron transport layer, the hole injection layer includes an inorganic material, and the inorganic material has a work function of 4.4 eV or less and includes one element or a plurality of elements selected from Na, Mg, K, Rb, Sr, Cs, Ba, Fr, Ca, Yb, Li, Al, Sm, Er and Ho, or a fluoride or an oxide of the elements.

Organic electroluminescent display panel and display apparatus

The present invention discloses an organic electroluminescent display panel, comprising: a base substrate; a top-emitting type organic electroluminescent structure located on the base substrate, the organic electroluminescent structure comprising an anode, a light emitting layer and a cathode arranged in this order from the base substrate; and a packaging film covering the organic electroluminescent structure; the organic electroluminescent display panel further comprises a secondary electrode provided on the packaging film and electrically connected with the cathode through a via hole penetrating through the packaging film. Since the secondary electrode is additionally provided on the packaging film and is electrically connected with the cathode through the via hole penetrating through the packaging film, the secondary electrode electrically connected with the cathode can increase an equivalent thickness of the cathode and thus reduce the resistance of the cathode, which can avoid the problem of large voltage drop due to large resistance of the cathode when a thinner metal is used as the cathode, thereby can avoid damage of the organic electroluminescent display panel due to the larger voltage drop.

DISPLAY SUBSTRATE, DISPLAY PANEL, DISPLAY DEVICE, AND CONTROL METHOD THEREOF

A display substrate includes a conductive pattern arranged on a base substrate, a plurality of pressure sensing units arranged on the base substrate, and a first pressure sensing line and a second pressure sensing line connected to the plurality of pressure sensing units and each configured to output a pressure sensing signal. At least one of the first pressure sensing line or the second pressure sensing line is within a same layer and made of a same material as the conductive pattern, or the conductive pattern is multiplexed as at least one of the first pressure sensing line or the second pressure sensing line.

FLEXIBLE ORGANIC LIGHT-EMITTING DIODE DISPLAY PANEL
20190044078 · 2019-02-07 ·

The present invention provided a flexible OLED display panel including a flexible substrate, a plurality of OLED devices disposed on the flexible substrate, and a thin-film encapsulating layer disposed on a surface of the OLED devices. The thin-film encapsulating layer includes at least two separate thin-film encapsulating units, the at least two thin-film encapsulating units cover the surface of the OLED devices opposite to the flexible substrate in a form of an one-dimensional array or a two-dimensional array, a gap is formed between edges of two of the thin-film encapsulating units adjacent to each other, and an extension direction of the gap is perpendicular to a bending direction of the flexible OLED display panel.

Organic light-emitting display apparatus and method of manufacturing the same

An organic light-emitting display apparatus includes a substrate, a display on the substrate, a dam outside the display and spaced from the display, the dam having a stacked multi-layer structure and having a first side surface that faces the display, a second side surface opposite to the display, and a top, a groove in a separation area between the display and the dam, and an encapsulation layer that includes a first inorganic layer and an organic layer on the first inorganic layer, the first inorganic layer covering the display and extending along an inner surface of the groove, and an end of the organic layer being contained in the groove.

OLED ARRAY SUBSTRATE, DISPLAY APPARATUS AND METHOD FOR REPAIRING DARK SPOT THEREON
20190027549 · 2019-01-24 ·

An organic light-emitting diode (OLED) array substrate, a display apparatus and a method for repairing a dark spot of the display apparatus or the OLED array substrate are provided by the embodiments of the present disclosure. The OLED array substrate includes: power lines, a connection component, a pixel structure disposed in a pixel region, and the pixel structure includes a driving transistor, and an OLED device. The OLED device includes a first electrode and a second electrode, and the first electrode is electrically connected with the first source/drain electrode of the driving transistor; the connection component is configured to electrically insulating the first electrode from the power lines before repairing the OLED array substrate; and the connection component is further configured to electrically connect the first electrode (anode or cathode) with the power lines in a case of repairing the OLED array substrate.

Organic light-emitting device having electron transport region including lanthanide and alkali metal halide

An organic light-emitting device includes a substrate, an anode on the substrate, a hole transport region on the anode, an emission layer on the hole transport region, an electron transport region on the emission layer, and a cathode on the electron transport region, wherein the electron transport region includes an electron injection layer including a first material including at least one of a halide of an alkali metal, and a second material including at least one of a lanthanide metal and a alkaline earth metal, and wherein the cathode contacts the electron injection layer and includes a first metal including at least one of silver, gold, platinum, copper, manganese, titanium, cobalt, nickel, and tungsten, and a second metal including at least one of a lanthanide metal and an alkaline earth metal, wherein an amount of the first metal is equal to or greater than that of the second metal.