Abstract:
The present disclosure provides a display panel and a display device. The display panel includes: at least one pressure sensor; a first substrate on which a plurality of supporting spacers are disposed; and a second substrate disposed opposite to the first substrate, wherein a plurality of protrusions are disposed on the second substrate, the protrusions correspond to and contact the supporting spacers, respectively, a surface of the protrusion close to the corresponding supporting spacer is defined as a first contact surface, the second substrate further comprises a protrusion-free region surrounding the protrusion, and a roughness of the first contact surface is greater than a roughness of the surface of the protrusion-free region.
Abstract:
Disclosed are a display panel, a manufacturing method thereof and a display device. The display panel includes a substrate; a plurality of organic light emitting elements, which are located on a side of the substrate; a film encapsulation layer, which is located on a side of the plurality of organic light emitting elements facing away from the substrate; wherein the film encapsulation layer covers the plurality of organic light emitting elements, the film encapsulation layer comprises a first inorganic layer, a lens layer and a second cover layer, the lens layer is located between the first inorganic layer and the second cover layer, and the second covering layer is located on a side of the first inorganic layer facing away from the plurality of organic light emitting elements; wherein the lens layer comprises a plurality of lenses, and a material of the second cover layer is an inorganic material.
Abstract:
A display panel and a display device are provided. The display panel includes pixel circuits. Each pixel circuit includes a driving transistor, a data writing circuit, a light-emitting control circuit, a threshold compensation circuit and a bias adjustment circuit. The driving transistor includes a gate electrically connected to a first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to the third node, and is configured to generate a driving current. The third node is connected to a light-emitting element through the light-emitting control circuit. The bias adjustment circuit is configured to provide a signal of a bias adjustment signal terminal to the second node under control of a signal of a first scanning signal terminal in such a manner that a bias state of the driving transistor is adjusted.
Abstract:
The present invention relates to the field of optical alignment, which provides a method for fabricating a photolytic alignment film, a liquid crystal display panel and a display device. The method for fabricating a photolytic alignment film includes: step a: irradiating a substrate coated with a photolytic alignment material by polarized ultraviolet rays to decompose the photolytic alignment material into decomposition products, wherein the decomposition products including at least one non-polymer; and step b: rinsing the substrate irradiated by polarized ultraviolet rays by using a cleaning agent to remove the non-polymer so as to form a photolytic alignment film. In the technical solution of the present invention, the photolytic alignment film can be fabricated at a greatly lowered cost because the non-polymer is rinsed by using a cleaning agent.
Abstract:
A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The data-writing module is configured to selectively provide a data signal for the driving module. The driving module includes a driving transistor and is configured to provide a driving current to the light-emitting element. The compensation module is configured to compensate a threshold voltage of the driving transistor. A source of the driving transistor includes a first source and a second source, and a drain of the driving transistor includes a first drain and a second drain. A third driving portion is arranged between the first source and the second source. A first driving portion is arranged between the second source and the first drain.
Abstract:
A display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module, and a compensation module. The data-writing module is configured to selectively provide a data signal for the driving module. The driving module includes a driving transistor and is configured to provide a driving current to the light-emitting element. The compensation module is configured to compensate a threshold voltage of the driving transistor. The driving transistor includes a source, a gate, an active layer, a first drain and a second drain. A first driving portion is arranged between the source and the first drain, and a second driving portion is arranged between the first drain and the second drain. A length of a channel region of the first driving portion is L1, and a length of a channel region of the second driving portion is L2.
Abstract:
A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a driving module. The driving module includes a driving transistor. The driving transistor includes a source, a gate, an active layer, a first drain, and a second drain. A first driving portion is arranged between the source and the first drain, and a second driving portion is arranged between the first drain and the second drain. A channel region of the active layer includes a first segment, a second segment, and a first site between the first segment and the second segment. The first drain is connected to the first site, the first segment is located at the first driving portion, and the second segment is located at the second driving portion.
Abstract:
An array substrate, a display panel and a display device are provided. The array substrate includes: a substrate. A signal transmission line, first and second insulator layers, a pixel electrode layer and a common electrode layer are disposed on the substrate; wherein the signal transmission line, the first insulator layer and the second insulator layer are disposed between the common electrode layer and the pixel electrode layer, the signal transmission line is disposed on the first insulator layer, and the second insulator layer is disposed on the signal transmission line; and wherein a dielectric constant of the first insulator layer is less than or equal to a dielectric constant of the second insulator layer, and the signal transmission line is electrically connected with the common electrode layer. A parasitic capacitance between the signal transmission line and the common electrode layer is reduced in the array substrate.
Abstract:
A display panel and a display device are provided. The display panel includes a pixel circuit and a light-emitting element. The pixel circuit includes a data-writing module, a driving module including a driving transistor, and a compensation module. The driving transistor includes a source, a gate, an active layer, a first drain and a second drain, and is divided into first and second driving portions having channel regions with lengths of L1 and L2, respectively. The data-writing module is connected to the source, the compensation module is connected between the gate and the first drain, and L2/L1≥ΔVsd2/(ΔVsg+V0)−1, 0≤V0≤ΔVgd2×½; alternatively, the data-writing module is connected to the first drain, the compensation module is connected between the gate and the second drain, and L1/L2≥ΔVsd2/(ΔVgd2+V0)−1, 0≤V0≤ΔVsg×½.
Abstract:
A display panel and a driving method thereof, and a display device are provided. The display panel includes pixel circuits. Each pixel circuit includes a driving transistor, a data writing circuit, a light-emitting control circuit, a threshold compensation circuit and a bias adjustment circuit. The driving transistor includes a gate electrically connected to a first node, a first terminal electrically connected to a second node, and a second terminal electrically connected to the third node, and is configured to generate a driving current. The third node is connected to a light-emitting element through the light-emitting control circuit. The bias adjustment circuit is configured to provide a signal of a bias adjustment signal terminal to the second node under control of a signal of a first scanning signal terminal in such a manner that a bias state of the driving transistor is adjusted.