Abstract: A polar navigation window period assessment system based on three-dimensional visualization simulation of ship-ice interaction is provided in the present application, including a virtual reality interactive operation module for interacting with virtual reality scenes based on a virtual reality (VR) handle and a VR helmet; a three-dimensional virtual visualization integration module for observing the virtual reality scenes from a global perspective; a three-dimensional simulation module of the Arctic route environment for simulating a route environment scene; an Arctic navigation virtual scene module for establishing a navigation virtual scene; an Arctic navigation window period assessment module for assessing navigation window periods of the ship on different routes; a system storing and outputting module for storing interactive operation information, virtual reality scene information and window period assessment result information, and outputting them in form of curve diagrams and data tables.

Abstract: A flexible display screen includes: a flexible substrate (1); an OLED device layer (2) formed on the flexible substrate (1); an encapsulation layer(3), disposed on the OLED device layer(2) and encapsulating the OLED device layer (2); and an encapsulation protection layer (4) formed on the encapsulation layer (3). The embodiments of the present disclosure also provide a flexible display device and a manufacturing method of the flexible display screen.

Abstract: The present disclosure provides a gate driving unit, a gate driving method, a gate driving circuit and a display device. The gate driving unit includes a first clock signal end, a second clock signal end, a third clock signal end, a fourth clock signal end, a first output node control circuitry, a second output node control circuitry, a first control node control circuitry and an output circuitry. According to the present disclosure, it is able to provide a gate driving signal for an N-type transistor in an LTPO pixel circuit, and reduce the number of transistors, thereby to provide a narrow bezel.

Abstract: The present disclosure provides a gate driving unit, a gate driving method, a gate driving circuit and a display device. The gate driving unit includes a first clock signal end, a second clock signal end, a third clock signal end, a fourth clock signal end, a first output node control circuitry, a second output node control circuitry, a first control node control circuitry and an output circuitry. According to the present disclosure, it is able to provide a gate driving signal for an N-type transistor in an LTPO pixel circuit, and reduce the number of transistors, thereby to provide a narrow bezel.

Abstract: Embodiments of the present disclosure disclose a display panel and a display device. The display panel includes: a base substrate, a light-emitting device located on the base substrate, a first flat layer located on a side of the light-emitting device away from the base substrate, and a black matrix located on a side of the first flat layer away from the base substrate, wherein the black matrix has a plurality of opening regions, and color filters are arranged in corresponding opening regions; the color filters are configured to filter external incident light; and the first flat layer has a plurality of first concave faces arranged corresponding to the opening regions, the color filters fill the first concave faces, and the color filters further cover peripheral regions of the first concave faces.

Abstract: The present disclosure provides a display panel and preparing method thereof, and a display apparatus. In one or more embodiments, the display panel includes a substrate that includes an off-screen camera region including a plurality of opening regions, a flexible layer located at a side of the substrate, a backplate layer located at a side of the flexible layer away from the substrate and including a plurality of light-transmitting film layers, and a light-emitting device layer located at a side of the backplate layer away from the substrate and including a plurality of cathodes. An orthographic projection of the flexibly layer on the substrate is not overlapped with the opening regions. An orthographic project of at least one light-transmitting film layer on the substrate covers the opening regions. Orthographic projections of the cathodes on the substrate are not overlapped with the opening regions.

Abstract: A flexible display screen includes: a flexible substrate (1); an OLED device layer (2) formed on the flexible substrate (1); an encapsulation layer(3), disposed on the OLED device layer(2) and encapsulating the OLED device layer (2); and an encapsulation protection layer (4) formed on the encapsulation layer (3). The embodiments of the present disclosure also provide a flexible display device and a manufacturing method of the flexible display screen.

Abstract: A display device and a bonding detection method of the display device are provided. The display device includes: a display panel, a flexible circuit board and a chip on flex with a control chip, where the display panel is connected with the flexible circuit board through the chip on flex in a bonding manner, a first detection line located on the display panel, a second detection line extending to the flexible circuit board from one end of the first detection line through the chip on flex, and a third detection line extending to the flexible circuit board from the other end of the first detection line through the chip on flex, where a path where the second detection line is located is provided with at least two first test pins, and a path where the third detection line is located is provided with at least two second test pins.