42results about How to "Improve dark state light leakage" patented technology

A liquid crystal display panel including an active device matrix substrate, an opposite substrate, and a liquid crystal layer is provided. The active device matrix substrate includes a first substrate, an active, device array, a padding device, first connecting electrodes, and shielding electrodes. The padding device is disposed on active devices and data lines of the active device array. The first connecting electrodes are located above the active devices and electrically connected to the active devices. The shielding electrodes are located above the data lines and electrically connected to a common voltage. The opposite substrate includes a second substrate, first electrodes, an insulating layer, second electrodes having slits and opposite to the first electrodes, spacers corresponding to the active devices, and second connecting electrodes covering the spacers to directly contact with the first connecting electrodes and electrically connected to the first electrodes or the second electrodes.

The invention discloses a display panel of a horizontal electric field type, a manufacturing method of the display panel, and a display device. A first compensation film layer is arranged between an opposite substrate and an array substrate, the sum of the phase difference of the first compensation film layer and the phase difference of a liquid crystal layer is integer multiple times of the wavelength of incident light, and the optical axis direction of the first compensation film layer is parallel to the initial optical axis direction of liquid crystal molecules in the liquid crystal layer.When optical anisotropy is generated by the opposite substrate and the array substrate under the condition of bearing uneven external force and the polarization state of permeating light is changed, the first compensation film layer can compensate for the phase delay of the polarization light passing through the liquid crystal layer, after light passes through the opposite substrate, the array substrate, the liquid crystal layer and the first compensation film layer, the total phase delay is nearly or equally integer multiple times of the wavelength of incident light, and light restores the original polarization state to a certain extent. In this way, in the dark state, most of light cannot emit out of the display panel, and the dark-state light leakage problem is solved.

The invention discloses a display panel with a horizontal electric field, a making method thereof and a display device. A first compensation film is arranged between an opposite substrate and an arraysubstrate, a difference between phase difference of the first compensation film and that of a liquid crystal layer is integral multiples of incident light wavelength, and optical axis direction is perpendicular to initial optical axis direction of liquid crystal molecules in the liquid crystal layer. When polarization state of penetrating light is changed due to optical anisotropy generated whenthe opposite substrate and the array substrate receive nonuniform external force, the first compensation layer can offset phase delay when polarized light goes through the liquid crystal layer to enable total phase delay to be close to or equal to integral multiple of the incident light wavelength after light goes through the opposite substrate, the array substrate, the liquid crystal layer and the first compensation film, so that the light is enabled to be restored to original polarization state to a certain degree. In this way, when in a dark state, most of the light cannot be emitted from adisplay panel, so that the problem of dark-state light leakage is improved.

The embodiment of the invention discloses a display baseplate as well as a manufacture method thereof and a display device, and relates to the field of display. Dark state light leak can be reduced; the display quality of the device can be improved. The display baseplate is provided with a blue phase liquid crystal layer and driving electrodes used for driving the blue phase liquid crystal layer in the dark state; each group of driving electrodes comprises two out-of-phase electrodes; the component in a first direction of electric field generated by the two out-of-phase electrodes on the blue phase liquid crystal layer is not zero; the first direction is perpendicular to the polarization direction of incident light.

The invention provides an array substrate, a display panel and a display device. The array substrate comprises a substrate, a plurality of scanning lines, a plurality of data lines, a flattening layer and a low-reflection film layer, wherein the plurality of scanning lines and data lines are positioned on the substrate and provided with a plurality of pixel units in a cross manner; the flattening layer covers the plurality of scanning lines and data lines; and the low-reflection film layer is positioned between the data lines and the flattening layer and covers the data lines. The reflection coefficient of the low-reflection film layer is lower than the reflection coefficient of the data lines. Therefore, the dark-state light leakage problem of the display panel and the display device caused by reflection of the data lines can be effectively improved.

A display panel and an electro-optical device thereof are provided. The display panel comprises a pair of substrates, at least one data line, at least three common lines, at least one scan line, at least one switch element, a common electrode, and a display media layer. The pair of substrates comprises a first substrate and a second substrate. The data line and the three common lines are formed on the first substrate. The data line and the common lines interlace to form a plurality of areas. Each of the areas comprises an electrode. The electrodes are connected to each other to form a pixel electrode. The scan line is formed on the first substrate and under an electrode of one of the areas. The switch element is formed under an electrode of one of the areas, and comprises a source connected to the pixel electrode, a drain connected to the data line, and a gate \ connected to the scan line. The common electrode is formed on the second substrate, with a display media layer disposed between the two substrates.

The invention discloses a curved-display panel and a display device. The curved-display panel comprises a first substrate and a second substrate in opposite arrangement, multiple spacers located at one side, facing to the second substrate, of the first substrate; each blocking part is only located at one side, on a setting direction, of the end part of each spacer; the setting direction is a sliding tendency direction of the end part of each spacer after the curved-display panel is bent; each blocking part is used for preventing the spacer from sliding on the setting direction. In the above curved-display panel, multiple blocking parts are arranged between the first substrate and the second substrate, and each blocking part is only located at one side, on a setting direction, of the end part of each spacer, and the blocking part is used for preventing the spacer from sliding along the setting direction, thereby avoiding the light leakage of the curved-display panel since the spacers slide under the stress effect, the dark-state light leakage phenomenon of the curved-display panel is improved, and the performance and yield of the curved-display panel are improved.

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 provides a LCD panel, comprising active component array substrate, alignment substrate and liquid crystal layer, where the active component array substrate comprises substrate, multiple scan lines, multiple data lines and multiple pixel cells, where the scan lines and the data lines are arranged on the substrate; the pixel cells are arranged on the substrate and each pixel cell is connected with the corresponding scan and data lines and spans the corresponding scan line; the alignment substrate has multiple alignment bumps, each located above the scan line. Besides, the liquid crystal layer is arranged between the alignment substrate and the active component array substrate. And the invention has better opening ratio and contrast. Besides, the invention reduces the widths of parts of the data lines to make store capacitors able to extend to the data lines so as to further raise the opening ratio of the LCD panel.

The invention discloses a horizontal-electric-field-type display panel, a production method thereof and a display device. A first compensation membrane is arranged between an opposite substrate and anarray substrate, and when the display panel is subjected to uneven external force, phase delay of axial light ray is compensated for. In this way, under the condition that the opposite substrate andthe array substrate are subjected to uneven external force, the optical aeolotropy is generated, when the polarization state of the penetration light ray is changed, the first compensation membrane can compensate for phase delay of polarized light when the light passes through a liquid crystal layer, and after passing through the opposite substrate, the array substrate, the liquid crystal layer and the first compensation membrane, the light ray is restored to the original polarization state to a certain degree. In this way, under the dark state, most light ray cannot be emitted from the display panel, and accordingly the light leakage problem under the dark state is solved.

The embodiment of the invention provides a liquid crystal display panel and a liquid crystal display. The liquid crystal display panel comprises a first substrate, a second substrate and a liquid crystal layer, wherein the first substrate and the second substrate are oppositely arranged, and the liquid crystal layer is arranged between the first substrate and the second substrate; a plurality of subpixel areas which are distributed in a matrix shape and light shading areas arranged between every two adjacent subpixel areas are arranged in a display area of the liquid crystal display panel, a first electrode layer is arranged on one side, adjacent to the liquid crystal layer, of the first substrate, the first electrode layer corresponds to the subpixel areas and the light shading areas, a second electrode layer and a third electrode layer which are independently arranged are arranged on one side, adjacent to the liquid crystal layer, of the second substrate, the second electrode layer corresponds to the subpixel areas, the third electrode layer corresponds to the light shading areas, and a through hole is formed in the third electrode layer. The liquid crystal display panel disclosed by the invention can obviously solve the problems of a dark state and light leakage of a liquid crystal display panel.

The embodiment of the invention provides a hook face display panel and a hook face display device, and relates to the technical field of display. The problem that a hook face display panel is in a dark state and leaks light can be solved, the production efficiency cannot be affected, and the quality of the hook face display panel cannot be lowered. The hook face display panel comprises a liquid crystal layer and a first polaroid and a second polaroid which are arranged on the two sides of the liquid crystal layer; when the horizontal direction is seen along the hook face display panel, the first polaroid is divided into a plurality of polarization structures, and the polarization directions of the multiple polarization structures are not the same completely, wherein the polarization direction of each polarization structure is not completely perpendicular to that of the second polaroid. The hook face display panel is used for hook face liquid crystal display panels.

The invention provides a liquid crystal display device as well as a backlight module thereof and a display method. The backlight module at least includes a lighting component, a polarization component and a modulation component. The lighting component is used for providing a light source. A first polarized light is formed after the light source passes through the polarization component. The modulation component is provided with a plurality of modulation areas. Each modulation area corresponds to one modulation direction, and a plurality of second polarized lights are formed after the first polarized light passes through the modulation areas. The second polarized lights respectively correspond to the modulation directions, wherein the modulation directions are not identical.

The invention provides an electronic device. The electronic device comprises a first plastic substrate, a second plastic substrate, a liquid crystal layer and a first compensation film. The second plastic substrate overlaps the first plastic substrate. The liquid crystal layer is located between the first plastic substrate and the second plastic substrate. The first compensation film is bonded tothe first plastic substrate. A main axis refractive index of the first compensation film comprises nx1, ny1 and nz1, and the nx1 and the ny1 are both smaller than the nz1.

A drive method for a blue phase liquid crystal display device matches with a blue phase liquid crystal display device. The liquid crystal display device comprises at least a data line, at least a scanning line and at least a pixel. The drive method for the blue phase liquid crystal display device comprises the following steps of transmitting first grave scale voltage to the pixel through the data line; transmitting first recovery voltage to the pixel through the data line; transmitting a first insertion black voltage to the pixel through the data line and the absolute value of the first recovery voltage is higher than that of the first grove scale voltage and the first insertion black voltage. The drive method for the blue phase liquid crystal display device has the advantages of solving the problems of dark state light leak of the blue phase liquid crystal display device.

The invention discloses a flexible liquid crystal display panel and a display device. The flexible liquid crystal display panel comprises a first flexible substrate, a second flexible substrate, a first polarizer and a second polarizer, wherein the first flexible substrate and the second flexible substrate are oppositely arranged; the first polarizer and the second polarizer are positioned outside the two flexible substrates; the second flexible substrate is made of organic resin; due to addition of a compensation film between the first polarizer and the second polarizer, the compensation film can compensate a phenomenon of dark-state light leakage generated due to a retardation of the second flexible substrate and an included angle of greater or smaller than 90 degrees between a light adsorption axis of the first polarizer and a light adsorption axis of the second polarizer, so that the problem of dark-state light leakage caused by the retardation of the second flexible substrate and the case that the light adsorption axis of the first polarizer is not perpendicular to the light adsorption axis of the second polarizer when a view angle is greater than zero can be improved.

The invention provides an array substrate and a preparation method thereof. The preparation method comprises the steps of preparing a metal layer, preparing a negative photoresist layer on the metal layer, exposing and developing the negative photoresist layer, etching the metal layer, and removing the negative photoresist layer. According to the preparation method, the metal layer is patterned byusing a negative photoresist, and the characteristic of light retention of the negative photoresist is utilized. During exposure, the negative photoresist exposure amount at the corresponding position of the corner in the pattern is enough. During development, the negative photoresist at the corresponding position of the corner in the pattern can be completely dissolved in the developing solutionwithout residues. The etching effect of the corner in the metal in the subsequent metal etching process is ensured, and the problem that the corner in the metal is rounded due to insufficient photoresist exposure is avoided. Therefore, the phenomenon of dark-state light leakage of a display device is improved, and the contrast ratio of a product is improved.

The invention relates to a liquid crystal composition containing a methoxy bridged bond negative liquid crystal compound and having a large elastic constant and application thereof. The liquid crystal composition comprises at least one or more compounds represented by a general formula I, one or more compounds represented by a general formula II and one or more compounds represented by a general formula III. The liquid crystal composition has large elastic constant and fast response time, and can improve the contrast ratio of a liquid crystal display when being used in the liquid crystal display.

The invention discloses a display panel, comprising an active element array substrate, a facing substrate, a shading layer, a patterning insulating layer, a plurality of pixel electrodes, and a display dielectric layer. The facing substrate is arranged opposite to the active element array substrate. The shading layer is configured on the facing substrate, and is provided with a plurality of opening regions. The patterning insulating layer is configured on the active element array substrate, and comprises a plurality of protrusion portions and a plurality of crossed raised lines. The plurality of protrusion portions are arranged under the shading layer respectively along the periphery of the corresponding opening regions. The plurality of crossed raised lines are respectively in the corresponding opening regions. The plurality of pixel electrodes are respectively corresponding to the opening regions and are arranged on the patterning insulating layer and the active element array substrate, and each pixel electrode is overlapped on the protrusion portion. The display dielectric layer is arranged between the active element array substrate and the facing substrate.

A drive method is matched with a blue-phase liquid crystal display device. The blue-phase liquid crystal display device comprises a first substrate and a second substrate which is arranged opposite to the first substrate, the firs substrate is provided with a first electrode layer, and the second substrate is provided with a pixel electrode and a second electrode layer. The drive method comprises steps of transmitting first grayscale voltage to the pixel electrode; transmitting first black insertion voltage to the pixel electrode; and transmitting first voltage to the first electrode layer and enabling a voltage difference to exist between the first electrode layer and the second electrode layer. Accordingly, the dark state light leakage of the blue-phase liquid crystal display device is improved.

The invention discloses a display device, which comprises a display panel and a polarizing layer, a polaroid is fixed on one side of the display panel, the polaroid comprises a polarizing layer and at least one functional layer laminated with the polarizing layer, and a light absorbent is added in the functional layer to reduce the transmittance of light with a preset wavelength. The display device including the polaroid can effectively solve the problem that the color temperature of the display panel is greatly reduced after the display panel is irradiated by the light with the preset wavelength, and the visual angle, the color cast and the dark state light leakage are avoided, so that the display effect of the display panel is improved.