30results about How to "Avoid dark state light leakage" patented technology

The invention discloses a display substrate, a manufacturing method of the display substrate and a display device. The display substrate comprises a first substrate body, a phase delay layer and a first alignment layer. The phase delay layer is located on the first substrate body. The first alignment layer is located on the phase delay layer. The phase delay direction of the phase delay layer is perpendicular to the optical axis direction of liquid crystals. According to the technical scheme, the phase delay direction of the phase delay layer is perpendicular to the optical axis direction of the liquid crystals, and the phase delay amount generated by the liquid crystals is greatly counteracted, so that the serious dark state light leakage phenomenon is avoided, and the contrast ratio is improved.

The embodiment of this specification discloses a phase retardation device, its preparation method, and a display device. The phase retardation device includes: a first polarizing layer, a first phase retardation layer, a second phase retardation layer, and a second polarizing layer; The first polarizing layer is located on one side of the light source, and is used to convert the received light into linearly polarized light; the first phase retardation layer is located on the side of the first polarizing layer away from the light source, and is used to convert the received light into linearly polarized light. converting linearly polarized light into elliptically polarized light; the second phase retardation layer is located on a side of the first phase retardation layer away from the first polarizing layer, and is used to convert the elliptically polarized light into linearly polarized light; The second polarizing layer is located on a side of the second phase retardation layer away from the first phase retardation layer, and is used to absorb the linearly polarized light; the first phase retardation layer and the second phase retardation layer Birefringence does not decrease with increasing wavelength of visible light.

The invention discloses a liquid crystal display device and a driving method. The liquid crystal display device comprises a color filter substrate, an array substrate, and a liquid crystal layer located between the color filter substrate and the array substrate. The color filter substrate is provided with a viewing angle control electrode, and the array substrate includes A plurality of pixel units, each pixel unit is provided with a pixel electrode, the array substrate is provided with a first common electrode, the pixel electrode and the first common electrode are respectively located on the upper and lower sides of the insulating layer, and a plurality of insulating protrusions are formed on the insulating layer. Ridge, the second common electrode is also provided on the array substrate, the second common electrode and the pixel electrode are comb-shaped structures with slits in each pixel unit, and the electrode strips of the second common electrode and the electrode strips of the pixel electrode Alternately arranged, the electrode strips of the second common electrode are respectively arranged on a plurality of insulating ridges, and the electrode strips of the second common electrode protrude above the electrode strips of the pixel electrodes, so that the electrode strips of the second common electrode are compared with the electrode strips of the pixel electrodes The strip is closer to the color filter substrate.

The embodiment of the invention provides a liquid crystal display assembly and a liquid crystal display device, relates to the technical field of liquid crystal displaying, and aims to solve the problem of dark state light leakage of an IPS liquid crystal display panel under a bent state. The liquid crystal display assembly comprises the liquid crystal display panel, and an upper polarizer and a lower polarizer which are arranged on two sides of the liquid crystal display panel, wherein the liquid crystal display panel comprises a first liquid crystal layer; liquid crystals in the first liquid crystal layer are arrayed horizontally; the liquid crystal display assembly further comprises a compensation structure; the compensation structure is arranged between the liquid crystal display panel and the lower polarizer and is used for compensating optical delay of the liquid crystal display panel under the bent state; the compensation structure comprises a first substrate, a second substrate and a second liquid crystal layer arranged between the first substrate and the second substrate; liquid crystals in the second liquid crystal layer are arrayed horizontally, and the initial orientation of the liquid crystals is vertical to the orientation of the liquid crystals in the first liquid crystal layer. The liquid crystal display assembly is applied to the liquid crystal display device.

The invention discloses a display panel and a display device. The two adjacent pixel units in the display panel are respectively the first pixel unit and the second pixel unit, the edge of the first pixel unit close to the source via hole is the first edge, and the edge of the second pixel unit close to the source via hole is the second edge, along the extension direction of the scanning line, the minimum distance between the edge of the source via hole and the first edge is A, the minimum distance between the edge of the source via hole and the second edge is B, and A is smaller than B; The first color filter unit corresponds to the first pixel unit. Along the extending direction of the scanning line, a raised structure is formed on at least one side of the black matrix close to the first color filter unit. The raised structure is arranged corresponding to the source via hole. The technical solution provided by the embodiment of the present invention enables the black matrix to better cover the source via hole, thereby avoiding dark state light leakage at the location of the source via hole and improving the display effect of the display panel.