Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having an anode, a cathode and an organic functional layer. The organic functional layer includes an organic light-emitting layer, a first electron transmission layer, and a hole injection layer. LUMO1 and LUMO4 satisfy: |LUMO1?LUMO4|<1.7 eV. HOMO5 and HOMO4 satisfy: |HOMO5?HOMO4|<1 eV. A work function ?1 of the first dopant and a work function ?4 of the cathode satisfy: ?1<?4, and a work function ?2 of the second dopant and a work function ?3 of the anode satisfy: ?2>?3.

Abstract: A display device includes an eyeball tracking inductor, a display panel and a processor, where the processor is electrically connected to the eyeball tracking inductor and the display panel separately; the eyeball tracking inductor is configured to identify user eyeball image information; the processor is configured to determine a gaze region and a split view region of a user viewing the display panel, according to the user eyeball image information, control the gaze region to be displayed at a first resolution, and control the split vision region of the display panel to be displayed at a second resolution, where the first resolution is greater than the second resolution.

Abstract: Provided are a vehicle instrument, a display method, and a vehicle speed monitoring display system. The vehicle instrument includes a display panel including an indicator structure used together with a scale on the dial for reading; a dial exposed by the display panel; and an actuating mechanism connected to the display panel and configured to control a movement of the display panel relative to the dial. The vehicle instrument has a first state, in which the display panel and the dial are in a first positional relationship, the display panel displays a first pattern region, and the first pattern region and the dial are in a second positional relationship; and a second state, in which the display panel and the dial are in a third positional relationship, the display panel displays the first pattern region, and the first pattern region and the dial are in the second positional relationship.

Abstract: Provided are a vehicle instrument, a display method, and a vehicle speed monitoring display system. The vehicle instrument includes a display panel including an indicator structure used together with a scale on the dial for reading; a dial exposed by the display panel; and an actuating mechanism connected to the display panel and configured to control a movement of the display panel relative to the dial. The vehicle instrument has a first state, in which the display panel and the dial are in a first positional relationship, the display panel displays a first pattern region, and the first pattern region and the dial are in a second positional relationship; and a second state, in which the display panel and the dial are in a third positional relationship, the display panel displays the first pattern region, and the first pattern region and the dial are in the second positional relationship.

Abstract: Provided are a display panel and a display device. The display panel includes multiple light-emitting devices. Each of the multiple light-emitting devices includes a red light-emitting device, a green light-emitting device and a blue light-emitting device. The red light-emitting device includes a red light-emitting layer, a peak wavelength of a red spectrum emitted by the red light-emitting device is ?11, and a peak wavelength of an intrinsic emission spectrum of a red light-emitting material in the red light-emitting layer is ?12. The green light-emitting device includes a green light-emitting layer, a peak wavelength of a green spectrum emitted by the green light-emitting device is ?21, and a peak wavelength of an intrinsic emission spectrum of a green light-emitting material in the green light-emitting layer is ?22. ?1=?11??12, ?2=?21??22.

Abstract: A display device includes an eyeball tracking inductor, a display panel and a processor, where the processor is electrically connected to the eyeball tracking inductor and the display panel separately; the eyeball tracking inductor is configured to identify user eyeball image information; the processor is configured to determine a gaze region and a split view region of a user viewing the display panel, according to the user eyeball image information, control the gaze region to be displayed at a first resolution, and control the split vision region of the display panel to be displayed at a second resolution, where the first resolution is greater than the second resolution.

Abstract: An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material>(the hole mobility of the blue host material)×102 under an electric field of 0.2 MV/cm.

Abstract: An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.

Abstract: Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a plurality of light-emitting units and a plurality of fingerprint identification units, disposed on one side of the first substrate facing to the second substrate. Each of the plurality of light-emitting units includes a first N-type semiconductor layer and a first P-type semiconductor layer, each of the plurality of fingerprint identification units includes a second N-type semiconductor layer and a second P-type semiconductor layer. The first N-type semiconductor layer and the second N-type semiconductor layer are disposed in a same layer, and the first P-type semiconductor layer and the second P-type semiconductor layer are disposed in a same layer.

Abstract: An organic light-emitting display panel, comprising: an array substrate comprising driving units; an organic light-emitting unit including an anode, a cathode, and an organic functional layer there between, the organic functional layer comprises an organic light-emitting layer, a first electron transmission layer between the cathode and the organic light-emitting layer, and a first hole transmission layer between the anode and the organic light-emitting layer; the first electron transmission layer comprises a first electron transmission matrix and a first dopant comprising an alkaline earth metal element or a rare earth metal element; and the organic light-emitting layer comprises a blue light-emitting layer comprising a blue host material, wherein an electron mobility and a hole mobility of the blue host material satisfy the following conditions: the electron mobility of the blue host material>(the hole mobility of the blue host material)×102 under an electric field of 0.2 MV/cm.

Abstract: Provided are an organic light-emitting display panel and a display device. The organic light-emitting display includes an array substrate and organic light-emitting components each having an anode, a cathode and an organic functional layer. The organic functional layer includes an organic light-emitting layer, a first electron transmission layer, and a hole injection layer. LUMO1 and LUMO4 satisfy: |LUMO1?LUMO4|<1.7 eV. HOMO5 and HOMO4 satisfy: |HOMO5?HOMO4|<1 eV. A work function ?1 of the first dopant and a work function ?4 of the cathode satisfy: ?1<?4, and a work function ?2 of the second dopant and a work function ?3 of the anode satisfy: ?2>?3.

Abstract: An organic light-emitting display panel and a display device are provided. The display panel includes a plurality of organic light-emitting components, wherein each of the plurality of organic light-emitting components comprises a first electrode, a light-emitting layer and a second electrode that are arranged by stacking, the first electrode has a reflectivity of R1, and the second electrode has a reflectivity of R2, R1 and R2 satisfy: { I ? ? 1 = F ? ( R ? ? 1 , R ? ? 2 , ? , X ? ? 1 , L ) × I ? ? 0 I ? ? 2 = F ? ? ( R ? ? 1 , R ? ? 2 , ? , X ? ? 2 , L ) × I ? ? 0 ? I ? ? 1 I ? ? 0 - I ? ? 2 I ? ? 0 ? < 0.

Abstract: Provided are a display panel, a manufacturing method thereof and a display device. The display panel includes: a first substrate and a second substrate disposed opposite to each other, and a plurality of light-emitting units and a plurality of fingerprint identification units, disposed on one side of the first substrate facing to the second substrate. Each of the plurality of light-emitting units includes a first N-type semiconductor layer and a first P-type semiconductor layer, each of the plurality of fingerprint identification units includes a second N-type semiconductor layer and a second P-type semiconductor layer. The first N-type semiconductor layer and the second N-type semiconductor layer are disposed in a same layer, and the first P-type semiconductor layer and the second P-type semiconductor layer are disposed in a same layer.

Abstract: An organic light emitting display device and an organic light emitting display apparatus are provided. The organic light emitting display device includes a first electrode and a second electrode disposed opposite to each other, a light emitting layer positioned between the first electrode and the second electrode, and a capping layer positioned on a surface of a side of the second electrode far away from the light emitting layer, the capping layer is formed as a single layer or superposition of a plurality of layers, the at least one layer of the capping layer is a composite layer, and the composite material of the composite layer comprises an organic material and a metal dopant.

Abstract: An organic light-emitting diode (OLED) display panel and an OLED display apparatus are provided. The OLED display panel comprises: a first electrode and a second electrode disposed in a stacked configuration, wherein at least one of the first electrode and the second electrode is a light-output-side electrode; an organic luminescent layer disposed between the first electrode and the second electrode; an electron transport layer disposed between the organic luminescent layer and the second electrode; and an optical coupling layer disposed on a surface of the light-output-side electrode far away from the organic luminescent layer. The electron transport layer contains element ytterbium (Yb) with a volume percentage equal to or less than approximately 3%.