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

The invention discloses a liquid crystal display device and a manufacturing method thereof. The liquid crystal display device comprises a first substrate and a second substrate opposite to the first substrate. A nematic liquid crystal layer is arranged between the first substrate and the second substrate. The nematic liquid crystal layer comprises nematic liquid crystals and a polymer network. According to the liquid crystal display device, the nematic liquid crystal layer is arranged between the first substrate and the second substrate and comprises the nematic liquid crystals and the polymer network, the polymer network is formed by illumination and polymerization of functional monomers in a nematic liquid crystal mixture, the polymer network can reduce the scattering phenomenon caused when refractive indexes of the liquid crystals and polymers are not matched, the dark state light leakage phenomenon is greatly reduced, and therefore the contrast ratio is improved; meanwhile, no polymer protrusions are arranged on an alignment layer, dark state light leakage caused by polymer protrusions is avoided, and therefore the contrast ratio is improved.

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 invention discloses a display panel and a display device. The display panel is bent to form a curved surface display panel; a plurality of sub-pixel regions are arranged on a second substrate of the display panel in an array; each sub-pixel region comprises a sub-pixel opening region; black matrixes are arranged at other regions, except the sub-pixel regions, on the second substrate. The second substrate is bent by taking an axis as the center and an axis direction is a third direction and; a direction vertical to the axis direction is a fourth direction; a black matrix between the adjacent sub-pixel openings in the fourth direction is a first black matrix; the width of the first black matrix in the fourth direction is gradually increased from the axis to two sides of the axis of the second substrate; a black matrix between the adjacent sub-pixel openings in the third direction is a second black matrix; the width of the second black matrix in the third direction is gradually reduced from the axis to two sides of the axis of the second substrate. By adopting the display panel and the display device with the structure, light reflection, dark-state light leakage and edge dark masscan be avoided.

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 present invention provides a curved display panel and a display device. The curved display panel includes a first region and a second region arranged along a first direction; a color filter substrate includes a first substrate and a black matrix located on the first substrate facing the array substrate, and the black The matrix includes grid-shaped shading strips, and the grid-shaped shading strips define a plurality of sub-pixel openings; the black matrix includes first shading strips extending along the second direction, arranged in the first direction and located in the first region, and extending along the second direction. The direction extends along the first direction and is located in the second area of ​​the second light-shielding strip; the plurality of sub-pixel openings include a first sub-pixel opening in the first area and a second sub-pixel opening in the second area; in the first direction , the width of the second light-shielding strip is greater than the width of the first light-shielding strip, and the width of the second sub-pixel opening is greater than the width of the first sub-pixel opening. The invention provides a curved display panel and a display device to avoid light leakage in a dark state.

The invention discloses a display panel and a display device. The display panel comprises an array substrate, wherein the array substrate comprises multiple thin film transistors; the thin film transistors comprise active layers, source electrodes and drain electrodes; the source electrodes and the drain electrodes are located on the same film layers; the source electrodes and the drain electrodesare electrically connected with the active layers; the source electrodes are provided with first via holes; the drain electrodes are provided with second via holes; the array substrate comprises shading parts; the film layers where the shading parts are placed are located on the sides, which are far away from the display surface of the display panel, of the film layers where the source electrodesand the drain electrodes are placed; the shading parts comprise first shading parts and / or second shading parts; the boundary of a positive projection of each first via hole on the film layer where each shading part is placed is located in each first shading part, and / or the boundary of a positive projection of each second via hole on the film layer where each shading part is placed is located ineach second shading part. The display panel improves the dark state light-leaking phenomenon at the via holes and improves the contrast.

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 provides a liquid crystal display panel, a display method thereof and a liquid crystal display device. The voltage of the electrodes is controlled by a control module connected to each electrode, so that the liquid crystal layer forms a liquid crystal lens, and converges light incident on the liquid crystal layer onto the light-shielding layer of the first substrate. Therefore, the light can be gathered in the dark state to effectively avoid light leakage of the display panel in the dark state even when the width of the light-shielding layer is reduced. Furthermore, by reducing the width of the light-shielding layer, the aperture ratio of the display panel can be effectively increased, and the light utilization efficiency of the liquid crystal can be increased.

The invention discloses a display device, a control method of the display device and a display device, belonging to the field of display technology. The display device includes: a transparent substrate and a backlight; a liquid crystal layer is arranged between the transparent substrate and the backlight, and a grid-shaped structure is arranged on the side of the transparent substrate close to the liquid crystal layer, and the grid-shaped The structure is multiplexed as a grating and an electrode for controlling the refractive index of the liquid crystal layer; the backlight source includes a light guide plate and a collimated light source arranged on the side of the light guide plate. The present invention arranges the grid-like structure on the side of the liquid crystal layer away from the light guide plate, and multiplexes the grid-like structure as a grating and an electrode for controlling the refractive index of the liquid crystal, without separately disposing the electrode assembly and the grating in the display device. The problem of relatively complicated structure of the display device and light leakage in the dark state in the related art is solved. The effect of simplifying the overall structure of the display device and avoiding light leakage in the dark state is achieved.

The invention relates to the technical field of displays, in particular to a display device, a liquid crystal display panel and a manufacturing method of the liquid crystal display panel. The liquid crystal display panel comprises a color film substrate, an array substrate, liquid crystals and polarizers; the two polarizers are respectively arranged on the color film substrate and the array substrate; and a phase compensation film is arranged between the two polarizers. According to the liquid crystal display panel and the manufacturing method thereof, which are provided by the invention, due to the adoption of the phase compensation film, the phenomenon of dark state light leakage caused by deflection of the liquid crystals at the positions of a grid electrode and a source and drain electrode layer due to the generation of irregular terminal differences can be effectively avoided; the design of a black matrix in the color film substrate in the prior art can be canceled by the additionally arranged phase compensation film, so that the color film process program is simplified; and the aperture ratio of a pixel electrode and the light energy utilization rate of backlight can be effectively improved, the light energy loss is furthest reduced and the excellent rate of the product is improved.

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.