Abstract:
The present invention relates to a touching-type electronic paper and method for manufacturing the same. The touching-type electronic paper includes a TFT substrate and a transparent electrode substrate which are disposed as a cell. The transparent electrode substrate includes a common electrode, microcapsule electronic ink and light guiding poles as light transmitting passages, all of which are formed on a first substrate. The TFT substrate comprises displaying electrodes, first TFTs for driving the displaying electrodes, second TFTs for detecting lights transmitting through the light guiding poles and for producing level signals, and third TFTs for reading the level signals and sending the level signals to a back-end processing system, all of which are formed on a second substrate. The light guiding poles are opposite to the second TFTs respectively. The present invention makes the natural lights or other lights outside transmitted to the second TFTs through the light guiding poles by disposing the light guiding poles as light transmitting passages and disposing the second TFTs as light sensor units. The present invention has many advantages such as simple structure, simple manufacturing process and low cost, so as to have a wide application prospect.
Abstract:
The present disclosure provides a pixel driving circuit and a display panel. The pixel drive circuit includes: a data writing sub-circuit, a threshold compensation sub-circuit, a driving sub-circuit and a storage sub-circuit, the data writing sub-circuit includes a fourth transistor, which includes a first electrode connected with a data line, a second electrode connected with a first terminal of the driving sub-circuit, and a control electrode connected with a first scan signal line, and the fourth transistor is an oxide thin film transistor; the threshold compensation sub-circuit is configured to compensate a threshold voltage of the driving sub-circuit in response to a second scan signal; the storage sub-circuit is configured to store a data voltage signal; the driving sub-circuit is configured to provide a driving current for a light emitting device to be driven according to voltages of the first terminal and a control terminal thereof.
Abstract:
A pixel circuit and a driving method thereof, a display substrate, and a display device are provided. In the pixel circuit, a data writing circuit is configured to control a connection between a data line and a second terminal of a driving circuit under control of a first scanning signal provided by a first scanning line; a reset circuit is configured to control a connection between a reset voltage line and the second terminal of the driving circuit under control of a third scanning signal provided by a third scanning line; or the reset circuit is coupled to the third scanning line, the reset voltage line and a first terminal of the driving circuit, and is configured to control a connection between the reset voltage line and the first terminal of the driving circuit under control of the third scanning signal.
Abstract:
Embodiments of the present disclosure disclose an array substrate and a manufacturing method thereof, a display panel and a display device. The array substrate includes a substrate; a first metal layer located on the substrate and including a luminous control signal line; a second metal layer located on one side, departing from the substrate, of the first metal layer and including an anode overlap electrode, where the anode overlap electrode and the luminous control signal line have a first overlapping area; and a shielding structure located between the first metal layer and the second metal layer and mutually insulated from the first metal layer and the second metal layer, wherein the orthographic projection of the shielding structure on the substrate at least partially covers the orthographic projection of the first overlapping area on the substrate; and the shielding structure is coupled to a fixed potential.
Abstract:
A material supply device is provided, to eliminate bubbles in materials supplied by the material storage tank to the glue supply syringe. The material supply device includes: a material storage tank; a material supply tank provided with a material supply outlet; and a bubble elimination component, configured to be in communication with the material storage tank and the material supply tank and eliminate bubbles in materials supplied by the material storage tank to the material supply tank.
Abstract:
A maintenance fixture for PCB′A and an operating method thereof are disclosed to mitigate the problems that the PCB′A may be scrapped upon removing a conductive adhesive. The maintenance fixture includes a cover plate and a support baseplate which is configured to support a PCB′A and provided with a stopper unit; the cover plate is movably connected to the support baseplate at a first end to be rotatable towards and away from the support baseplate, and is provided with a barrier layer at a first side which is perpendicular to the rotation direction and close to the support baseplate; the barrier layer is configured to be contacted with the PCB′A upon the cover plate being rotated towards the support baseplate to cover an electronic component zone and expose an electrode zone of the PCB′A.
Abstract:
The present invention discloses a light-emitting device, array substrate, display device and manufacturing method of light-emitting device. The light-emitting device comprises a substrate and a pixel define layer provided on the substrate, the pixel define layer defines at least one pixel unit, each of which comprises a plurality of first electrodes, an organic layer provided on the plurality of first electrodes, and a second electrode provided on the organic layer. The light-emitting device, array substrate, display device and manufacturing method provided by the present invention can allow the formed film of the organic layer on the first electrodes to have good flatness and allow portions of the organic layer on different first electrodes to have substantially the same thickness, thus flatness and uniformity of the formed film of the organic layer in the light-emitting device is improved and further display quality of the light-emitting device is improved.
Abstract:
An array substrate and a method for fabricating the same are disclosed. The method includes steps of providing a substrate (20), a first metal layer including patterns of gate electrodes (21, 24) of a first and second TFTs, an active layer (27) and a gate insulation layer (28) are formed on the substrate; forming an etch stop layer film and a photoresist sequentially on the substrate (20), and allowing the photoresist to form a first, second and third regions through gray-scale exposing and developing; forming a pattern of an etch stop layer (29), a connection via hole (30), and a contact via hole (31) respectively in the first, second and third regions through a patterning process; and forming source electrodes and drain electrodes (22, 23,25, 26) of the first and second TFTs. Photoresist of different thicknesses are disposed according to etch depths, thereby avoiding the over-etch of relatively shallow via holes.
Abstract:
A complementary thin film transistor driving back plate and a preparing method thereof, and a display device are disclosed. The preparing method comprises: forming a lower electrode (102) on a base substrate (101); sequentially disposing a continuously grown dielectric layer (103), a semiconductor layer (104), and a diffusion protection layer (105); sequentially forming a no-photoresist region (107), an N-type thin film transistor preparation region (108), and a P-type thin film transistor preparation region (109); removing a photoresist layer (114) of the N-type thin film transistor preparation region (108); removing a diffusion protection layer (105) of the N-type thin film transistor preparation region (105); removing a photoresist layer (114) of the P-type thin film transistor preparation region (109); performing an oxidation treatment to the base substrate (101); disposing a passivation layer (111) on the base substrate (101); and forming an upper electrode (113) on the passivation layer (111).
Abstract:
Embodiments of the present application provide an array substrate and a method for fabricating the same. The array substrate comprises: a base substrate, a plurality of thin film transistors formed on the base substrate; the array substrate also comprising: a buffer layer formed on the substrate between the substrate and the film transistors; wherein, the buffer layer is a metal oxide film layer. Embodiments of the present application also provide a display device having such array substrate.